gcc/ChangeLog.graphite

   1 2011-01-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
   4         (close_phi_written_to_memory): Call for_each_index with
   5         dr_indices_valid_in_loop.
   6
   7         * gfortran.dg/graphite/id-24.f: New.
   8         * gfortran.dg/graphite/id-25.f: New.
   9
  10 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
  13         when it is initialized.
  14
  15         * gfortran.dg/graphite/id-23.f: New.
  16
  17 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
  20         call to graphite_find_data_references_in_stmt.
  21         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
  22         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
  23         call to graphite_find_data_references_in_stmt.
  24         (analyze_drs_in_stmts): Same.
  25         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
  26         in which the scalar analysis of indices is performed.
  27         (create_data_ref): Same.  Update call to dr_analyze_indices.
  28         (find_data_references_in_stmt): Update call to create_data_ref.
  29         (graphite_find_data_references_in_stmt): Same.
  30         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
  31         declaration.
  32         (create_data_ref): Same.
  33         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
  34         call to create_data_ref.
  35
  36 2011-01-19  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-sese-to-poly.c (build_poly_scop): Move
  39         rewrite_commutative_reductions_out_of_ssa before
  40         find_scop_parameters.
  41
  42 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR tree-optimization/46970
  45         * gcc.dg/graphite/pr46970.c: New.
  46
  47 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         PR tree-optimization/46215
  50         * gcc.dg/graphite/pr46215.c: New.
  51
  52 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  53
  54         PR tree-optimization/46168
  55         * gcc.dg/graphite/pr46168.c: New.
  56
  57 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         PR tree-optimization/43657
  60         * gcc.dg/graphite/pr43657.c: New.
  61
  62 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         PR tree-optimization/29832
  65         * gfortran.dg/graphite/pr29832.f90: New.
  66
  67 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  68
  69         PR tree-optimization/43567
  70         * gcc.dg/graphite/pr43567.c: New.
  71
  72 2011-01-18  Sebastian Pop  <sebastian.pop@amd.com>
  73
  74         PR tree-optimization/43567
  75         * gcc.dg/graphite/pr43567.c: New.
  76
  77 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * Makefile.in (LAMBDA_H): Removed.
  80         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
  81         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
  82         lambda-trans.o, and tree-loop-linear.o.
  83         (lto-symtab.o): Remove dependence on LAMBDA_H.
  84         (tree-loop-linear.o): Remove rule.
  85         (lambda-mat.o): Same.
  86         (lambda-trans.o): Same.
  87         (lambda-code.o): Same.
  88         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
  89         (tree-vect-slp.o): Same.
  90         * hwint.h (gcd): Moved here.
  91         (least_common_multiple): Same.
  92         * lambda-code.c: Removed.
  93         * lambda-mat.c: Removed.
  94         * lambda-trans.c: Removed.
  95         * lambda.h: Removed.
  96         * tree-loop-linear.c: Removed.
  97         * lto-symtab.c: Do not include lambda.h.
  98         * omega.c (gcd): Removed.
  99         * passes.c (init_optimization_passes): Remove pass_linear_transform.
 100         * tree-data-ref.c (print_lambda_vector): Moved here.
 101         (lambda_vector_copy): Same.
 102         (lambda_matrix_copy): Same.
 103         (lambda_matrix_id): Same.
 104         (lambda_vector_first_nz): Same.
 105         (lambda_matrix_row_add): Same.
 106         (lambda_matrix_row_exchange): Same.
 107         (lambda_vector_mult_const): Same.
 108         (lambda_vector_negate): Same.
 109         (lambda_matrix_row_negate): Same.
 110         (lambda_vector_equal): Same.
 111         (lambda_matrix_right_hermite): Same.
 112         * tree-data-ref.h: Do not include lambda.h.
 113         (lambda_vector): Moved here.
 114         (lambda_matrix): Same.
 115         (dependence_level): Same.
 116         (lambda_transform_legal_p): Removed declaration.
 117         (lambda_collect_parameters): Same.
 118         (lambda_compute_access_matrices): Same.
 119         (lambda_vector_gcd): Same.
 120         (lambda_vector_new): Same.
 121         (lambda_vector_clear): Same.
 122         (lambda_vector_lexico_pos): Same.
 123         (lambda_vector_zerop): Same.
 124         (lambda_matrix_new): Same.
 125         * tree-flow.h (least_common_multiple): Removed declaration.
 126         * tree-parloops.c (lambda_trans_matrix): Moved here.
 127         (LTM_MATRIX): Same.
 128         (LTM_ROWSIZE): Same.
 129         (LTM_COLSIZE): Same.
 130         (LTM_DENOMINATOR): Same.
 131         (lambda_trans_matrix_new): Same.
 132         (lambda_matrix_vector_mult): Same.
 133         (lambda_transform_legal_p): Same.
 134         * tree-pass.h (pass_linear_transform): Removed declaration.
 135         * tree-ssa-loop.c (tree_linear_transform): Removed.
 136         (gate_tree_linear_transform): Removed.
 137         (pass_linear_transform): Removed.
 138         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
 139         flag_loop_interchange.
 140
 141         * gfortran.dg/graphite/interchange-4.f: New.
 142         * gfortran.dg/graphite/interchange-5.f: New.
 143
 144         * gcc.dg/tree-ssa/ltrans-1.c: Removed.
 145         * gcc.dg/tree-ssa/ltrans-2.c: Removed.
 146         * gcc.dg/tree-ssa/ltrans-3.c: Removed.
 147         * gcc.dg/tree-ssa/ltrans-4.c: Removed.
 148         * gcc.dg/tree-ssa/ltrans-5.c: Removed.
 149         * gcc.dg/tree-ssa/ltrans-6.c: Removed.
 150         * gcc.dg/tree-ssa/ltrans-8.c: Removed.
 151         * gfortran.dg/ltrans-7.f90: Removed.
 152         * gcc.dg/tree-ssa/data-dep-1.c: Removed.
 153
 154         * gcc.dg/pr18792.c: -> gcc.dg/graphite/pr18792.c
 155         * gcc.dg/pr19910.c: -> gcc.dg/graphite/pr19910.c
 156         * gcc.dg/tree-ssa/20041110-1.c: -> gcc.dg/graphite/pr20041110-1.c
 157         * gcc.dg/tree-ssa/pr20256.c: -> gcc.dg/graphite/pr20256.c
 158         * gcc.dg/pr23625.c: -> gcc.dg/graphite/pr23625.c
 159         * gcc.dg/tree-ssa/pr23820.c: -> gcc.dg/graphite/pr23820.c
 160         * gcc.dg/tree-ssa/pr24309.c: -> gcc.dg/graphite/pr24309.c
 161         * gcc.dg/tree-ssa/pr26435.c: -> gcc.dg/graphite/pr26435.c
 162         * gcc.dg/pr29330.c: -> gcc.dg/graphite/pr29330.c
 163         * gcc.dg/pr29581-1.c: -> gcc.dg/graphite/pr29581-1.c
 164         * gcc.dg/pr29581-2.c: -> gcc.dg/graphite/pr29581-2.c
 165         * gcc.dg/pr29581-3.c: -> gcc.dg/graphite/pr29581-3.c
 166         * gcc.dg/pr29581-4.c: -> gcc.dg/graphite/pr29581-4.c
 167         * gcc.dg/tree-ssa/loop-27.c: -> gcc.dg/graphite/pr30565.c
 168         * gcc.dg/tree-ssa/pr31183.c: -> gcc.dg/graphite/pr31183.c
 169         * gcc.dg/tree-ssa/pr33576.c: -> gcc.dg/graphite/pr33576.c
 170         * gcc.dg/tree-ssa/pr33766.c: -> gcc.dg/graphite/pr33766.c
 171         * gcc.dg/pr34016.c: -> gcc.dg/graphite/pr34016.c
 172         * gcc.dg/tree-ssa/pr34017.c: -> gcc.dg/graphite/pr34017.c
 173         * gcc.dg/tree-ssa/pr34123.c: -> gcc.dg/graphite/pr34123.c
 174         * gcc.dg/tree-ssa/pr36287.c: -> gcc.dg/graphite/pr36287.c
 175         * gcc.dg/tree-ssa/pr37686.c: -> gcc.dg/graphite/pr37686.c
 176         * gcc.dg/pr42917.c: -> gcc.dg/graphite/pr42917.c
 177         * gcc.dg/tree-ssa/data-dep-1.c
 178         * gfortran.dg/loop_nest_1.f90: -> gfortran.dg/graphite/pr29290.f90
 179         * gfortran.dg/pr29581.f90: -> gfortran.dg/graphite/pr29581.f90
 180         * gfortran.dg/pr36286.f90: -> gfortran.dg/graphite/pr36286.f90
 181         * gfortran.dg/pr36922.f: -> gfortran.dg/graphite/pr36922.f
 182         * gfortran.dg/pr39516.f: -> gfortran.dg/graphite/pr39516.f
 183
 184 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
 187         VAR_DECL, PARM_DECL, and RESULT_DECL.
 188
 189         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 190
 191 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 192
 193         * graphite-dependences.c (reduction_dr_1): Allow several reductions
 194         in a reduction PBB.
 195         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
 196         that have already been marked as PBB_IS_REDUCTION.
 197
 198 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 199
 200         * graphite-scop-detection.c (same_close_phi_node): New.
 201         (remove_duplicate_close_phi): New.
 202         (make_close_phi_nodes_unique): New.
 203         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
 204
 205 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
 208         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
 209         of both data references to be the same.
 210
 211 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 212
 213         * graphite-dependences.c (build_lexicographical_constraint): Remove the
 214         gdim parameter.
 215         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 216         (dependence_polyhedron): Same.
 217         (graphite_legal_transform_dr): Same.
 218         (graphite_carried_dependence_level_k): Same.
 219         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 220         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 221
 222 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-sese-to-poly.c
 225         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 226         (close_phi_written_to_memory): New.
 227         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 228         and unshare_expr.
 229
 230         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 231         * gcc.dg/graphite/block-1.c: Un-XFAILed.
 232         * gcc.dg/graphite/block-7.c: Un-XFAILed.
 233         * gcc.dg/graphite/block-8.c: Un-XFAILed.
 234         * gcc.dg/graphite/interchange-12.c: Un-XFAILed.
 235         * gcc.dg/graphite/interchange-14.c: Un-XFAILed.
 236         * gcc.dg/graphite/interchange-15.c: Un-XFAILed.
 237         * gcc.dg/graphite/interchange-8.c: Un-XFAILed.
 238         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 239
 240 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 241
 242         * doc/install.texi: Update the expected version number of PPL to 0.11.
 243         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 244         #if PPL_VERSION_MINOR < 11.
 245
 246 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-dependences.c (new_poly_ddr): Inlined into
 249         dependence_polyhedron.
 250         (free_poly_ddr): Moved close by new_poly_ddr.
 251         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 252         Early return NULL when ppl_powerset_is_empty returns true.
 253         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 254         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 255         (graphite_legal_transform_dr): Call new_poly_ddr.
 256         (graphite_carried_dependence_level_k): Same.
 257         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 258         (dot_transformed_deps_stmt_1): Removed.
 259         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 260         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 261         (dot_deps_1): Call dot_deps_2.
 262
 263 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 264
 265         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 266         (build_lexicographical_constraint): Same.
 267         (dependence_polyhedron_1): Same.
 268         (graphite_legal_transform_dr): Same.
 269         (graphite_carried_dependence_level_k): Same.
 270         * graphite-ppl.c (ppl_powerset_is_empty): New.
 271         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 272         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 273
 274         * gcc.dg/graphite/block-0.c: Add documentation.
 275         * gcc.dg/graphite/block-4.c: Same.
 276         * gcc.dg/graphite/block-7.c: Same.
 277         * gcc.dg/graphite/block-8.c: New.
 278         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 279         * gcc.dg/graphite/interchange-11.c: Un-XFAILed.
 280         * gcc.dg/graphite/interchange-12.c: Add documentation.
 281         * gcc.dg/graphite/interchange-13.c: New.
 282         * gcc.dg/graphite/interchange-14.c: New.
 283         * gcc.dg/graphite/interchange-15.c: New.
 284         * gcc.dg/graphite/interchange-8.c: Add documentation.
 285         * gcc.dg/graphite/interchange-mvt.c: Same.
 286
 287 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 290         the "a followed by b" relation and document it.
 291
 292 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 293
 294         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 295         iteration when the bag of constraints is empty.
 296
 297 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 298
 299         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 300
 301 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 302
 303         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 304         nest and two loop depths as parameters.
 305         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 306         lst_perfect_nestify.
 307
 308 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 309
 310         * graphite-dependences.c (print_pddr): Call
 311         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
 312
 313 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * graphite-ppl.c (debug_gmp_value): New.
 316         * graphite-ppl.h (debug_gmp_value): Declared.
 317
 318 2011-01-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 319
 320         * doc/install.texi: Document availability of cloog-0.16
 321
 322 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 323
 324         * graphite-scop-detection.c (is_valid_stmt_p): Pass the entry basic
 325         block instead of region start to the instantiation.
 326         (is_valid_bb_p): Add support for basic blocks with conditional
 327         statements.
 328         (find_scops_new): Recalculate dominance info before SCOP
 329         detection.
 330
 331 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 332
 333         * graphite-scop-detection.c (get_outermost_loop_in_region): New.
 334         (is_valid_loop_p): Correct loop passed to stmt_has_simple_data_refs_p
 335
 336 2011-01-05  Vladimir Kargov  <kargov@gmail.com>
 337
 338         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
 339         invalid postdominance info
 340
 341 2010-12-29  Sebastian Pop  <sebastian.pop@amd.com>
 342
 343         * Makefile.in (graphite-opencl-codegen.o): Update dependences.
 344         (graphite-opencl-meta-clast.o): Same.
 345         (graphite-opencl.o): Same.
 346         (refined-regions.o): Same.
 347         * graphite-opencl-codegen.c: Do not include unnecessary .h files.
 348         * graphite-opencl-meta-clast.c: Same.
 349         * graphite-opencl.c: Same.
 350         * refined-regions.c: Same.
 351
 352 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 353
 354         * graphite-opencl-codegen.c: Use FOR_EACH_VEC_ELT.
 355         * graphite-opencl-meta-clast.c: Same.
 356         * graphite-opencl.c: Same.
 357
 358 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 359
 360         * graphite-opencl-codegen.c: Do not include sys/time.h.
 361         * graphite-opencl.c: Same.
 362
 363 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 364
 365         * graphite-opencl.c (h_context, h_cmd_queue, h_program): Moved
 366         out of ifdef HAVE_cloog section.
 367
 368 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 369
 370         * Makefile.in (graphite-opencl.o): Depends on
 371         graphite-opencl-functions.def.
 372         * graphite-opencl-functions.def: New.
 373         * graphite-opencl.c (enum OPENCL_FUNCTIONS): Read data from
 374         graphite-opencl-functions.def.
 375         (opencl_function_names): Same.
 376         (opencl_create_function_decl): Use the enum OPENCL_FUNCTIONS
 377         as indices of opencl_function_names.
 378
 379 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 380
 381         * graphite-opencl-codegen.c: Fix formatting.
 382         * graphite-opencl-meta-clast.c: Same.
 383         * graphite-opencl.c: Same.
 384
 385 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 386
 387         * graphite-opencl-codegen.c: Fix formating problems.
 388         * graphite-opencl-meta-clast.c: Same.
 389         * graphite-opencl.c: Same.
 390         * graphite-opencl.h: Same.
 391
 392 2010-12-27  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * graphite-opencl-codegen.c: Sort topologically static functions.
 395         * graphite-opencl.c: Same.
 396
 397 2010-12-25  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         * graphite-cloog-compat.h (cloog_names_nb_scattering): New.
 400         (cloog_names_scattering): New.
 401         * graphite-opencl-codegen.c (opencl_constant_expression_p): Use
 402         clast_expr_* instead of expr_*.  Call clast_name_to_str.
 403         (opencl_clast_name_to_tree): Now takes a clast_name_p in parameter.
 404         (opencl_get_scat_real_name): Same.  Call clast_name_to_str.
 405         (opencl_add_scat_as_arg): Same.
 406         (opencl_print_local_vars): Call cloog_names_scattering and
 407         cloog_names_nb_scattering.
 408         (opencl_print_for): Do not call value_*.
 409         (opencl_print_term): Same.
 410         (opencl_print_expr): Use clast_expr_* instead of expr_*.
 411         (opencl_print_sum): Same.
 412         (opencl_print_binary): Same.
 413
 414 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 415
 416         * Makefile.in (OBJS-common): Add graphite-opencl-codegen.o,
 417         graphite-opencl-meta-clast.o and graphite-opencl.o.
 418         (graphite-opencl-codegen.o): New.
 419         (graphite-opencl-meta-clast.o): New.
 420         (graphite-opencl.o): New.
 421         (GTFILES): Add graphite-opencl.c.
 422         * common.opt (fgraphite-opencl): New.
 423         (fgraphite-opencl-cpu): New.
 424         (fgraphite-opencl-ignore-depth-heuristic): New.
 425         (fgraphite-opencl-ignore-mem-heuristic): New.
 426         (fgraphite-opencl-ignore-dep): New.
 427         (fgraphite-opencl-ignore-types): New.
 428         (fgraphite-opencl-depth-base): New.
 429         (fgraphite-opencl-debug): New.
 430         * graphite-opencl-codegen.c: New file.
 431         * graphite-opencl-meta-clast.c: New file.
 432         * graphite-opencl.c: New file.
 433         * graphite-opencl.h: New file.
 434         * graphite.c (graphite_transform_loops): Call graphite_opencl_init and
 435         graphite_opencl_finalize.
 436         * tree-ssa-loop.c (gate_graphite_transforms): Handle
 437         flag_graphite_opencl.
 438         * graphite-clast-to-gimple.c (gloog): Call opencl_transform_clast.
 439         * dbgcnt.def (opencl_scop_cnt): New counter.
 440
 441 2010-12-25  Alexander Monakov  <amonakov@ispras.ru>
 442
 443         * graphite-dependences.c (graphite_outer_subscript_bound): New.
 444         (graphite_carried_dependence_level_k): Export.
 445         * graphite-dependences.h (graphite_outer_subscript_bound): Declare.
 446         (graphite_carried_dependence_level_k): Ditto.
 447
 448 2010-12-25  Alexey Kravets  <kayrick@ispras.ru>
 449
 450         * graphite-clast-to-gimple.c (struct clast_name_index): Move
 451         definition to graphite-clast-to-gimple.h.
 452         (clast_name_to_index): Ditto.
 453         (clast_name_index_elt_info): Ditto.
 454         (eq_clast_name_indexes): Ditto.
 455         (save_clast_name_index): Export.
 456         (clast_name_to_gcc): Ditto.
 457         (clast_to_gcc_expression): Ditto.
 458         (gcc_type_for_clast_expr): Ditto.
 459         (graphite_create_new_guard): Ditto.
 460         (gcc_type_for_iv_of_clast_loop): Ditto.
 461         (graphite_create_new_loop): Ditto.
 462         (build_iv_mapping): Ditto.
 463         (graphite_create_new_loop_guard): Ditto.
 464         (debug_clast_name_index): New.
 465         (debug_clast_name_indices): New debug function.
 466
 467 2010-12-21  Sebastian Pop  <sebastian.pop@amd.com>
 468
 469         PR tree-optimization/47021
 470         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
 471
 472 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 473
 474         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
 475         unused warning.
 476         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 477
 478 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * graphite-sese-to-poly.c (analyze_drs): Removed.
 481         (build_scop_drs): Do not call analyze_drs.
 482         (analyze_drs_in_stmts): New.
 483         (insert_stmts): New.
 484         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
 485         (insert_out_of_ssa_copy_on_edge): Same.
 486         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
 487         (rewrite_phi_out_of_ssa): Same.
 488         (rewrite_cross_bb_scalar_dependence): Same.
 489         (split_reduction_stmt): Move data references in the new basic blocks.
 490         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
 491
 492 2010-11-26  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
 495
 496 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         PR middle-end/45297
 499         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
 500         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
 501         * graphite-poly.h (new_poly_bb): Update declaration.
 502         (gbb_from_bb): Moved here...
 503         (pbb_from_bb): New.
 504         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
 505         Removed.
 506         (graphite_stmt_p): Removed.
 507         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
 508         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
 509         new_poly_bb.
 510         (build_scop_bbs_1): Do not pass in sbitmap reductions.
 511         (build_scop_bbs): Same.
 512         (gbb_from_bb): ... from here.
 513         (add_conditions_to_constraints): Moved up.
 514         (analyze_drs): New.
 515         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
 516         not contain data references.
 517         (new_pbb_from_pbb): New.
 518         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
 519         block is split.
 520         (rewrite_close_phi_out_of_ssa): Update call to
 521         insert_out_of_ssa_copy_on_edge.
 522         (rewrite_reductions_out_of_ssa): Now static.
 523         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 524         (split_pbb): New.
 525         (split_reduction_stmt): Call split_pbb.
 526         (translate_scalar_reduction_to_array): Pass in the scop, do not
 527         pass in the sbitmap reductions.
 528         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 529         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 530         (rewrite_commutative_reductions_out_of_ssa): Same.
 531         (build_poly_scop): Call build_scop_bbs,
 532         rewrite_commutative_reductions_out_of_ssa,
 533         rewrite_reductions_out_of_ssa, and
 534         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
 535         before scop_to_lst.
 536         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
 537         Removed declaration.
 538         (rewrite_reductions_out_of_ssa): Same.
 539         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
 540         (build_scop_bbs): Same.
 541         * graphite.c (graphite_transform_loops): Do not initialize reductions.
 542         Do not call build_scop_bbs,
 543         rewrite_commutative_reductions_out_of_ssa,
 544         rewrite_reductions_out_of_ssa, and
 545         rewrite_cross_bb_scalar_deps_out_of_ssa.
 546         * sese.h (struct gimple_bb): Add field pbb.
 547         (GBB_PBB): New.
 548
 549         * gcc.dg/graphite/pr45297.c: New.
 550
 551 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 552
 553         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
 554         New.
 555         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
 556         handle_scalar_deps_crossing_scop_limits.
 557         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
 558         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
 559
 560 2010-11-22  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
 563         when replacing a constant in an ADDR_EXPR.
 564
 565 2010-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
 568         for the stride.
 569         (lst_do_strip_mine): Same.
 570         (scop_do_strip_mine): Same.
 571         * graphite-poly.c (apply_poly_transforms): Update call to
 572         scop_do_strip_mine.
 573         * graphite-poly.h (scop_do_strip_mine): Update declaration.
 574
 575 2010-09-24  Sebastian Pop  <sebastian.pop@amd.com>
 576
 577         PR middle-end/45758
 578         * graphite.c (graphite_initialize): Call scev_reset.
 579
 580 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 581
 582         * sese.h (scev_analyzable_p): Return false for real or floating
 583         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
 584
 585 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         PR middle-end/45758
 588         * gfortran.dg/graphite/pr45758.f90: New.
 589
 590 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite-scop-detection.c (is_scop_p): Free bblist.
 593
 594 2010-09-23  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
 597         and ps.
 598         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
 599         domain.
 600         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
 601         Do not allocate ub_expr, it is passed in initialized.
 602
 603 2010-09-21  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 604
 605         * common.opt (fgraphite-dump-cloog): New flag.
 606         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 607         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 608         (build_cloog_prog): Dump CLooG input file when
 609         flag_graphite_dump_cloog is set.
 610         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
 611
 612 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         Revert previous patch "New flag: -fgraphite-dump-cloog."
 615
 616 2010-09-20  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 617
 618         * common.opt (fgraphite-dump-cloog): New flag.
 619         * doc/invoke.texi (-fgraphite-dump-cloog): Documented.
 620         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
 621         (build_cloog_prog): Dump CLooG input file when
 622         flag_graphite_dump_cloog is set.
 623
 624 2010-09-20  Sebastian Pop  <sebastian.pop@amd.com>
 625
 626         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
 627         verify_dominators for CDI_POST_DOMINATORS.
 628         * sese.h: Remove comment about CDI_POST_DOMINATORS.
 629         (recompute_all_dominators): Remove call to free_dominance_info
 630         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
 631         for CDI_POST_DOMINATORS.
 632
 633 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
 636         over pbb_dim_iter_domain.
 637
 638 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         * graphite-flattening.c: Fix comments.
 641
 642 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 643
 644         * Makefile.in (OBJS-common): Add graphite-flattening.o.
 645         (graphite-flattening.o): New rule.
 646         * common.opt (floop-flatten): New flag.
 647         * doc/invoke.texi (-floop-flatten): Documented.
 648         * graphite-flattening.c: New.
 649         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
 650         * graphite-poly.h (flatten_all_loops): Declared.
 651         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
 652         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
 653         is set, also set flag_graphite.
 654
 655 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * graphite-poly.c (cloog_checksum): New.
 658         * graphite-poly.h (cloog_checksum): Declared.
 659
 660 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 661
 662         * graphite-poly.c (pbb_number_of_iterations): Removed.
 663         (pbb_number_of_iterations_at_time): Correctly compute the number
 664         of iterations in the transformed loop.
 665         * graphite-poly.h (pbb_number_of_iterations): Removed.
 666
 667 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 668
 669         * graphite-poly.h (lst_update_scattering_seq): Removed.
 670         (lst_update_scattering): Correctly handle outermost loop dewey
 671         renumbering.
 672
 673 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
 676         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
 677         * graphite-poly.h (lst_niter_for_loop): New.
 678
 679 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * graphite-poly.c (apply_poly_transforms): Do not abort when the
 682         transform read from disk is not legal.  Call fatal_error instead.
 683
 684 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
 687         (print_scop_header): Removed.  Inlined in the only call place...
 688         (print_scop): ... here.
 689
 690 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
 693
 694 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
 695
 696         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
 697         (is_valid_stmt_p): Add data reference and operation-specific checks.
 698         (is_valid_bb_p): Change structure, add loop validity check.
 699         (is_scop_p): Move the TODO list
 700         (find_scops_new): New.
 701         (build_scops_new): Move part of functionality to find_scops_new and
 702         build_scops.  Add necessary steps for successful SCoP construction.
 703         (build_scops): Compute SCoP sets for both detection algorithms, choose
 704         the resulting one depending on static condition.
 705
 706 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 707
 708         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
 709
 710 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
 711
 712         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
 713         (dot_deps_stmt): Same.
 714         * graphite-poly.c (dot_lst): Same.
 715
 716 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-blocking.c (scop_do_strip_mine): Do not call
 719         graphite_legal_transform.
 720         (scop_do_block): Same.
 721
 722 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
 723
 724         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
 725         description.
 726
 727 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         PR middle-end/45230
 730         * gcc.dg/graphite/id-pr45230.c: New.
 731
 732 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 733
 734         * tree-scalar-evolution.c (instantiate_array_ref): New.
 735         (instantiate_scev_r): Also handle ARRAY_REFs.
 736
 737 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 738
 739         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 740         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 741         RESULT_DECL, and FIELD_DECL.  Return false for an
 742         SSA_NAME_IS_DEFAULT_DEF.
 743         (compute_scalar_evolution_in_loop): Do not further analyze the
 744         scalar evolution when no_evolution_in_loop_p returns true.
 745
 746 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 749         whether CHREC_LEFT is invariant.  A function is affine when
 750         CHREC_RIGHT is invariant.
 751
 752 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 755         is_gimple_reg.
 756         (rewrite_degenerate_phi): Same.
 757         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 758
 759 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 760
 761         * graphite-scop-detection.c (graphite_can_represent_scev,
 762         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 763         graphite_can_represent_loop): Remove outermost_loop.
 764
 765 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 766
 767         PR middle-end/45229
 768         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 769         handle GIMPLE_CALLs with no LHS.
 770
 771 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 772             Sebastian Pop  <sebastian.pop@amd.com>
 773
 774         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 775         Call remove-build-file to clean up the generated *.graphite files.
 776
 777 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 778
 779         * doc/invoke.texi (debugging options): Update documentation.
 780         (-floop-interchange): Same.
 781         (-flopp-strip-mine): Same.
 782         (-floop-block): Same.
 783         (-fgraphite-read): Add documentation.
 784         (-fgraphite-write): Same.
 785
 786 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 787
 788         * toplev.c (process_options): Disable graphite loop optimization
 789         options when -fgraphite-read flag is used.
 790
 791 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 792
 793         * graphite-poly.c (init_graphite_out_file): New.
 794         (init_graphite_in_file): New.
 795         (apply_poly_transforms): Updated to enable reading and writing of
 796         multiple scop files.
 797         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 798
 799 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 800
 801         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 802         redundant checks.
 803
 804 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 807         computation of precision by 1.
 808
 809 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 810
 811         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 812         (openscop_read_polyhedron_matrix): New.
 813         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 814         (openscop_read_N_int): Same.
 815         * graphite-poly.c (openscop_read_N_int): New.
 816         (openscop_read_one_int): New.
 817         (openscop_read_N_string): New.
 818         (openscop_read_one_string): New.
 819         (openscop_read_powerset_matrix): New.
 820         (graphite_read_transforms): Remove.
 821         (graphite_read_scatt): New.
 822         (graphite_read_scop_file): New.
 823         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 824
 825 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 826
 827         * graphite-poly.c: Change include order.
 828
 829 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 830
 831         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 832         (cloog_matrix_nrows): New.
 833
 834 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 835
 836         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 837         from matrix lines.
 838         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 839         (print_scattering_function_1): Same.
 840         (openscop_print_pbb_domain): Same.
 841         (openscop_print_scop_context): Same.
 842         (print_scop_context): Same.
 843
 844 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 845
 846         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 847         (openscop_print_pdr_polyhedron): Print pph.
 848
 849 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 850
 851         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 852         * gfortran.dg/graphite/graphite.exp: Same.
 853         * gcc.dg/graphite/vect-pr43423.c: New.
 854
 855 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 856
 857         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 858         priority signed types.
 859
 860 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 863         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 864
 865 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 866
 867         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 868         (openscop_print_polyhedron_matrix): New.
 869         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 870         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 871         (openscop_print_pdr_powerset): New.
 872         (openscop_print_powerset_matrix): New.
 873         (openscop_print_scattering_function_1): New.
 874         (print_scattering_function): Add support for scattering names and
 875         OpenScop format.
 876         (graphite_write_transforms): Remove.
 877         (apply_poly_transforms): Updated to call print_scop.
 878         (print_pdr_access_layout): Updated to support OpenScop format.
 879         (print_pdr): Same.
 880         (openscop_print_pbb_domain): New.
 881         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 882         not provided.
 883         (print_pbb): Updated to call the new print_pbb_body.
 884         (openscop_print_scop_context): New.
 885         (print_scop_header): New.
 886         (print_scop): Updated to call print_scop_header.
 887         * graphite-poly.h: Document OpenScop format.
 888
 889 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 892         the case removed in the previous patch, when the only phi argument
 893         is defined in the same loop as the phi node itself.  Handle it
 894         separately from the invariant case by both propagating it outside
 895         the region and replacing the phi node with an assign.
 896
 897 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 900         constant phi nodes with one argument are is_gimple_min_invariant
 901         and SSA_NAME_IS_DEFAULT_DEF.
 902
 903         * gfortran.dg/graphite/id-22.f: New.
 904
 905 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 906
 907         * graphite.c (graphite_initialize): Do not initialize
 908         CLooG and initialize the Parma Polyhedra Library
 909         manually when using CLOOG_ORG.
 910         (graphite_finalize): Do not finalize CLooG and finalize
 911         the Parma Polyhedra Library manually when using CLOOG_ORG.
 912         * graphite-cloog-compat.h (cloog_initialize): Hide function
 913         when using CLOOG_ORG.
 914         (cloog_finalize): Same.
 915
 916 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 917
 918         * graphite-clast-to-gimple.c (free_scattering): Change
 919         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 920         (CLOOG_ORG).
 921         (build_cloog_prog): Same.
 922         * graphite-cloog-compat.h (cloog_domain): Removed.
 923         (cloog_scattering): New.
 924         (cloog_set_domain): Removed.
 925         (cloog_set_scattering): New.
 926         (cloog_next_domain): Removed.
 927         (cloog_next_scattering): New.
 928         (cloog_set_next_domain): Removed.
 929         (cloog_set_next_scattering): New.
 930         (CloogScatteringList): New.
 931         (CloogScattering): New.
 932         (cloog_scattering_free): New.
 933         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 934         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 935         New.
 936
 937 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 938
 939         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 940         CloogState.
 941         (set_cloog_options): Same.
 942         (print_clast_stmt): Same.
 943         (scop_to_clast): Same.
 944         (print_generated_program): Same.
 945         (gloog): Same.
 946         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 947         (scop_to_clast): Extend with CloogState.
 948         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 949         (new_Cloog_Domain_from_ppl_Polyhedron):
 950         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 951         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 952         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 953         * graphite-cloog-util.h (build_cloog_prog): Same.
 954         * graphite-cloog-copat.h (build_cloog_prog): New.
 955         (CloogState): New.
 956         (cloog_state_malloc): New.
 957         (cloog_state_free): New.
 958         (cloog_loop_malloc): New.
 959         (cloog_options_malloc): New.
 960         (cloog_statement_alloc): New.
 961         (cloog_domain_from_cloog_matrix): New.
 962         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 963         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 964
 965 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 966
 967         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 968         type of NAME now depends on used CLooG version.
 969         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 970         (gcc_type_for_clast_expr): Same.
 971         (print_clast_stmt): Replace pprint with clast_pprint.
 972         * graphite-cloog-compat.h: Provide compatibility macros for
 973         CLooG Legacy.
 974         (clast_name_p): New.
 975         (clast_expr_term): New.
 976         (clast_expr_red): New.
 977         (clast_expr_bin): New.
 978         (clast_pprint): New.
 979
 980 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 981
 982         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 983         compatible to newer CLooG releases (CLOOG_ORG).
 984         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 985         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 986         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 987         (build_cloog_prog) : New.
 988         (cloog_program_extract_scalars): New.
 989         (cloog_program_scatter): New.
 990
 991 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 992
 993         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 994         conditionally (CLOOG_ORG).
 995         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 996         (cloog_statement_usr): New.
 997         (cloog_domain): Same.
 998         (cloog_set_domain): Same.
 999         (cloog_next_domain): Same.
1000         (cloog_set_next_domain): Same.
1001         (cloog_program_nb_scattdims): Same.
1002         (cloog_program_set_nb_scattdims): Same.
1003         (cloog_program_names): Same.
1004         (cloog_program_set_names): Same.
1005         (cloog_program_set_context): Same.
1006         (cloog_program_set_loop): Same.
1007         (cloog_program_blocklist): Same.
1008         (cloog_program_set_blocklist): Same.
1009         (cloog_program_scaldims): Same.
1010         (cloog_program_set_scaldims): Same.
1011         (cloog_names_nb_parameters): Same.
1012         (cloog_names_set_nb_parameters): Same.
1013         (cloog_names_parameters): Same.
1014         (cloog_names_set_parameters): Same.
1015         (cloog_names_set_nb_iterators): Same.
1016         (cloog_names_set_iterators): Same.
1017         (cloog_names_set_nb_scattering): Same.
1018         (cloog_names_set_scattering): Same.
1019         (cloog_statement_set_usr): Same.
1020         (cloog_loop_set_next): Same.
1021         (cloog_loop_set_domain): Same.
1022         (cloog_loop_set_block): Same.
1023         (cloog_block_list_next): Same.
1024         (cloog_block_list_set_next):
1025         (cloog_block_list_set_block): Same.
1026
1027 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
1028
1029         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
1030         a bool.
1031         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1032         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1033         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
1034         when something has been changed.
1035         (rewrite_commutative_reductions_out_of_ssa): Same.
1036
1037         * gcc.dg/graphite/id-26.c: New.
1038
1039 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
1042         handle the case when def is in the sese region.
1043         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
1044         for invariant expressions.
1045         (rewrite_cross_bb_phi_deps): Removed.
1046         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
1047         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
1048         rewrite_cross_bb_phi_deps.
1049
1050 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * graphite-sese-to-poly.c
1053         (rewrite_commutative_reductions_out_of_ssa_loop): Call
1054         scev_analyzable_p only on is_gimple_reg
1055
1056         * gcc.dg/graphite/id-25.c: New.
1057
1058 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
1061         (rewrite_close_phi_out_of_ssa): Propagate constant values or
1062         parametric expressions outside the scop region.
1063         (rewrite_cross_bb_scalar_deps): Same.
1064         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
1065
1066         * gcc.dg/graphite/run-id-5.c: New.
1067         * gcc.dg/graphite/run-id-6.c: New.
1068         * gfortran.dg/graphite/id-21.f: New.
1069
1070 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
1073         SSA_NAME_DEF_STMT only on SSA_NAMEs.
1074
1075         * gcc.dg/graphite/id-24.c: New.
1076
1077 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * tree-scalar-evolution.c (instantiate_scev_name): Do not
1080         instantiate default definitions.
1081
1082 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1083
1084         * graphite-scop-detection.c (is_valid_stmt_p): New.
1085         (is_valid_bb_p): New.
1086
1087 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1088             Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
1091         (loop_exits_from_bb_p): New.
1092         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
1093         (loop_exits_from_bb_p): Declared.
1094         * graphite-scop-detection.c (scopdet_basic_block_info): Call
1095         loop_exits_to_bb_p.
1096
1097 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
1098
1099         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
1100         tree-data-ref.h.
1101         (dot_regions_1): New.
1102         (dot_regions): New.
1103         * refined-regions.h (dot_regions): Declared.
1104         * Makefile.in (refined-regions.o): Update dependences.
1105
1106 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
1109         extra parameter for the region.  Call scev_analyzable_p.
1110         (rewrite_reductions_out_of_ssa): Update call to
1111         rewrite_close_phi_out_of_ssa.
1112         (rewrite_cross_bb_phi_deps): Same.
1113         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
1114         parameter for the region.  Call scev_analyzable_p.
1115         (rewrite_commutative_reductions_out_of_ssa): Update call to
1116         rewrite_commutative_reductions_out_of_ssa_loop.
1117
1118 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
1119
1120         * gcc.dg/tree-ssa/pr20742.c: New.
1121
1122 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
1125
1126         * gcc.dg/graphite/id-23.c: New.
1127
1128 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
1131         SSA scalar phi nodes that can be scev_analyzable_p.
1132
1133         * gfortran.dg/graphite/id-20.f: Adjust testcase.
1134
1135 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
1138         handle SSA_NAME_IS_DEFAULT_DEF.
1139
1140 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1141
1142         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
1143
1144         * gcc.dg/graphite/pr42729.c: New.
1145
1146 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
1149         case non close-phi nodes with one argument.
1150
1151 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * sese.h (scev_analyzable_p): Scevs could be expressions without
1154         chrecs and still be scev_analyzable_p.
1155
1156 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1159
1160 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
1163         * cfgloop.h (struct loop): Remove single_iv field.
1164         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
1165         (scop_canonicalize_loops): Removed.
1166         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
1167         over all the loop phi nodes in loop->header.
1168         (build_poly_scop): Remove use of scop_canonicalize_loops.
1169
1170 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
1173         handle GIMPLE_CALL.
1174
1175 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         * tree-chrec.c (chrec_apply): Should only apply to the specified
1178         variable.  Also handle multivariate chains of recurrences that
1179         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
1180
1181 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
1184         (debug_clast_name_indexes_1): Removed.
1185         (debug_clast_name_indexes): Removed.
1186         (pbb_to_depth_to_oldiv): Removed.
1187         (build_iv_mapping): Replace the use of rename_map with iv_map.
1188         (translate_clast_user): Remove uses of rename_map.  Allocate and
1189         free iv_map.
1190         (translate_clast_for_loop): Remove uses of rename_map.
1191         (translate_clast_for): Same.
1192         (translate_clast_guard): Same.
1193         (translate_clast): Same.
1194         (gloog): Same.
1195         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
1196         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
1197         * sese.c (set_rename): Now static.
1198         (rename_variables_in_stmt): Removed.
1199         (rename_uses): New.
1200         (is_parameter): Removed.
1201         (is_iv): Removed.
1202         (expand_scalar_variables_call): Removed.
1203         (expand_scalar_variables_ssa_name): Removed.
1204         (expand_scalar_variables_expr): Removed.
1205         (expand_scalar_variables_stmt): Removed.
1206         (expand_scalar_variables): Removed.
1207         (rename_variables): Removed.
1208         (remove_condition): Removed.
1209         (get_true_edge_from_guard_bb): Removed.
1210         (get_false_edge_from_guard_bb): Removed.
1211         (struct igp): Removed.
1212         (default_before_guard): Removed.
1213         (convert_for_phi_arg): Removed.
1214         (add_guard_exit_phis): Removed.
1215         (insert_guard_phis): Removed.
1216         (graphite_copy_stmts_from_block): Now also uses iv_map and a
1217         region.  Do not copy conditions.  Do not copy induction variables.
1218         Call rename_uses.
1219         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
1220         the translated statement.  Use the iv_map for the induction
1221         variable renaming.
1222         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
1223         (set_rename): Removed declaration.
1224         (scev_analyzable_p): ...here.
1225         * tree-chrec.c (chrec_apply_map): New.
1226         * tree-chrec.h (chrec_apply_map): Declared.
1227
1228 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1229
1230         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
1231         insert_loop_close_phis.
1232         * sese.c (name_defined_in_loop_p): Removed.
1233         (expr_defined_in_loop_p): Removed.
1234         (alive_after_loop): Removed.
1235         (close_phi_not_yet_inserted_p): Removed.
1236         (struct alep): Removed.
1237         (add_loop_exit_phis): Removed.
1238         (insert_loop_close_phis): Removed.
1239
1240 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1241
1242         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
1243         condition.
1244         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
1245
1246 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * gfortran.dg/graphite/id-20.f: New.
1249
1250 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1251
1252         * graphite-cloog-util.h: Added cloog.h.
1253         * graphite-blocking.c: Removed cloog.h.
1254         * graphite-dependences.c: Same.
1255         * graphite-interchange.c: Same.
1256         * graphite-poly.c: Same.
1257         * graphite-ppl.c: Same.
1258         * graphite-scop-detection.c: Same.
1259         * graphite-sese-to-poly.c:
1260         Removed cloog.h.
1261         Removed graphite-clast-to-gimple.h.
1262         (check_poly_representation): Removed (unused).
1263         * graphite-sese-to-poly.h
1264         (check_poly_representation): Removed (unused).
1265
1266 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1267
1268         * Makefile.in
1269         (OBJS-common): Added graphite-cloog-util.o.
1270         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
1271         (graphite-cloog-util.o): New.
1272         (graphite-ppl.o): Added graphite-cloog-util.h.
1273         * graphite-clast-to-gimple.c:
1274         Added graphite-cloog-util.h to include statements.
1275         * graphite-cloog-util.c: New.
1276         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
1277         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1278         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1279         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1280         (ppl_Constrain_System_number_of_constraints): Same.
1281         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1282         (oppose_constraint): Same.
1283         (cloog_matrix_to_ppl_constraint): Same.
1284         (new_Constraint_System_from_Cloog_Matrix): Same.
1285         (insert_constraint_into_matrix): Same. Declared static.
1286         * graphite-cloog-util.h: New.
1287         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
1288         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1289         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1290         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1291         (insert_constraint_into_matrix): Same.
1292         * graphite-ppl.c:
1293         Added graphite-cloog-util.h to include statements.
1294         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
1295         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1296         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1297         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1298         (insert_constraint_into_matrix): Same.
1299         (ppl_Constrain_System_number_of_constraints): Same.
1300         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
1301         (oppose_constraint): Same.
1302         (cloog_matrix_to_ppl_constraint): Same.
1303         (new_Constraint_System_from_Cloog_Matrix): Same.
1304         * graphite-ppl.h:
1305         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
1306         graphite-cloog-util.h.
1307         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
1308         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1309         (new_C_Polyhedron_from_Cloog_Matrix): Same.
1310         (insert_constraint_into_matrix): Removed.
1311
1312 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1313
1314         * graphite-clast-to-gimple.c
1315         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
1316         (precision_for_interval): Same.
1317         (gcc_type_for_interval): Same.
1318         (compute_type_for_level): Same.
1319         * graphite-interchange.c
1320         (lst_interchange_profitable_p): Same.
1321         * graphite-poly.c
1322         (psct_scattering_dim_for_loop_depth): Same.
1323         * graphite-ppl.c
1324         (ppl_max_for_le_pointset): Same.
1325         (ppl_min_for_le_pointset): Same.
1326
1327 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
1328
1329         * refined-regions.c (bb_index_compare): New.
1330         (get_bbs_in_region): New.
1331         (print_bbs_in_region): New.
1332         (print_refined_region): Add an argument that allows to print
1333         all basic blocks contained in regions.
1334         (debug_refined_region): Update call to print_refined_region.
1335         * refined-regions.h (print_refined_region): Update declaration.
1336         (get_bbs_in_region): Declared.
1337         * graphite-scop-detection.c (build_scops_new): Print the refined
1338         region tree into the Grahite dump file.
1339
1340 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
1343         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
1344
1345 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1346
1347         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
1348         rewrite_close_phi_out_of_ssa.
1349
1350         * gcc.dg/graphite/id-22.c: New.
1351
1352 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
1355
1356 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
1359         rename_map.
1360         * sese.c (debug_rename_map): Same.
1361         (get_rename): Same.
1362         (set_rename): Same.
1363         (rename_variables_in_stmt): Same.
1364         (expand_scalar_variables_call): Same.
1365         (expand_scalar_variables_ssa_name): Same.
1366         (expand_scalar_variables_expr): Same.
1367         (expand_scalar_variables_stmt): Same.
1368         (expand_scalar_variables): Same.
1369         (rename_variables): Same.
1370         (graphite_copy_stmts_from_block): Same.
1371         (copy_bb_and_scalar_dependences): Same.
1372
1373 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         * graphite-clast-to-gimple.c (copy_renames): Removed.
1376         (translate_clast_for): Do not call copy_renames.
1377         (translate_clast_guard): Same.
1378
1379 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
1382         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
1383         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
1384         before rewrite_cross_bb_scalar_deps.
1385
1386 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
1389         Early return in when flag_associative_math is not set.
1390
1391 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * gcc.dg/graphite/run-id-2.c: Call abort.
1394
1395 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1396
1397         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
1398         of SSA copies on edges except for loop->latch.
1399
1400 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
1403         Split out of rewrite_reductions_out_of_ssa.
1404         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
1405         Declared.
1406         * graphite.c (graphite_transform_loops): Call it.
1407
1408 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
1411
1412 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * passes.c (init_optimization_passes): Add pass_graphite.
1415         Schedule a pass_copy_prop before pass_graphite_transforms.
1416         * timevar.def (TV_GRAPHITE): Declared.
1417         * tree-pass.h (pass_graphite): Declared.
1418         * tree-ssa-loop.c (pass_graphite): New.
1419
1420         * gcc.dg/graphite/id-20.c: New.
1421
1422 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1423
1424         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
1425         Remove calls to rename_nb_iterations and rename_sese_parameters.
1426         * graphite-clast-to-gimple.h (gloog): Update declaration.
1427         * graphite.c (graphite_transform_loops): Update call to gloog.
1428         * sese.c (rename_variables_in_expr): Removed.
1429         (rename_nb_iterations): Removed.
1430         (rename_sese_parameters): Removed.
1431         * sese.h (rename_nb_iterations): Removed.
1432         (rename_sese_parameters): Removed.
1433
1434 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         * graphite-clast-to-gimple.c (gloog): Remove call to
1437         sese_adjust_liveout_phis.
1438         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
1439         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
1440         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
1441         rewrite_phi_out_of_ssa.
1442         * sese.c (get_vdef_before_sese): Removed.
1443         (sese_adjust_vphi): Removed.
1444         (sese_adjust_liveout_phis): Removed.
1445         * sese.h (sese_adjust_liveout_phis): Removed.
1446
1447 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
1450         argument for the place after which to insert the out of SSA copy.
1451         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
1452         (rewrite_phi_out_of_ssa): Same.
1453         (rewrite_cross_bb_scalar_deps): Same.
1454         (insert_copyout): Removed.
1455         (insert_copyin): Removed.
1456         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
1457         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
1458         insert_copyin.
1459
1460 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1461
1462         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
1463         (rewrite_reductions_out_of_ssa): Same.
1464         (rewrite_commutative_reductions_out_of_ssa): Same.
1465         (build_poly_scop): Do not call these functions.
1466         * graphite-sese-to-poly.h (build_poly_scop): Declared.
1467         (rewrite_reductions_out_of_ssa): Declared.
1468         (rewrite_commutative_reductions_out_of_ssa): Declared.
1469         * graphite.c (graphite_transform_loops): Call on every scop
1470         rewrite_commutative_reductions_out_of_ssa before calling
1471         rewrite_reductions_out_of_ssa and build_scop_bbs.
1472
1473 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-dependences.c (dot_deps): Make system call to dotty run
1476         in background.
1477         (dot_deps_stmt): Same.
1478         * graphite-poly.c (dot_lst): Same.
1479
1480 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
1483         old_type in parameter.
1484         (gcc_type_for_value): Update call to gcc_type_for_interval.
1485         (compute_type_for_level_1): Renamed compute_type_for_level.
1486         Update call to gcc_type_for_interval.
1487
1488 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1489
1490         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
1491         the scev analysis when the variable is not used outside the loop
1492         in a close phi node: call compute_overall_effect_of_inner_loop.
1493
1494 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1495
1496         * graphite-sese-to-poly.c (single_pred_cond): Renamed
1497         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
1498         (build_sese_conditions_before): Renamed call to single_pred_cond.
1499         (build_sese_conditions_after): Same.
1500
1501 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
1502
1503         * graphite-poly.h: Fix comments and indentation.
1504         * graphite-sese-to-poly.c: Same.
1505         (build_sese_conditions_before): Compute stmt and gbb only when needed.
1506         * tree-chrec.c: Fix comments and indentation.
1507         (tree-ssa-loop-niter.c): Same.
1508
1509 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1510
1511         * refined-regions.c (create_region): Only initialize the region.
1512         (find_regions_with_entry): Initialize parent relation and bbmap
1513         correctly.
1514         (build_regions_tree): Set outermost_region to region instead of
1515         topmost_region.
1516         (calculate_region_tree): Remove unneeded parameters.
1517
1518 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
1519
1520         * graphite-scop-detection.c (is_scop_p): New.
1521         (build_scops_new): New. A skeleton for the new scop detection.
1522         (build_scops_old): Renamed from build_scops.
1523         (build_scops): New version. Call the new and the old scop
1524         detection.
1525
1526 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1527             Antoniu Pop  <antoniu.pop@gmail.com>
1528
1529         * Makefile.in (OBJS-common): Add refined-regions.o.
1530         (refined-regions.o): New.
1531         (graphite-scop-detection.o): Use refined-regions.h.
1532         * graphite-scop-detection.c: Include refined-regions.h
1533         (build_scops): Also build the refined region tree.
1534         * refined-regions.c: New. Adds an algorithm to detect refined
1535         regions.
1536         (print_refined_region): New.
1537         (debug_refined_region): New.
1538         (refined_region_contains_bb_p): New.
1539         (refined_region_contains_region_p): New.
1540         (is_common_df): New.
1541         (struct find_regions_global_data): New.
1542         (is_region): New.
1543         (typedef struct bb_bb_def): New.
1544         (new_bb_bb_def): New.
1545         (bb_bb_map_hash): New.
1546         (eq_bb_bb_map): New.
1547         (find_new_bb): New.
1548         (bb_reg_def): New.
1549         (new_bb_reg_def): New.
1550         (bb_reg_map_hash): New.
1551         (eq_bb_reg_map): New.
1552         (find_new_region): New.
1553         (insert_new_reg): New.
1554         (insert_new_bb): New.
1555         (insert_shortcut): New.
1556         (get_next_postdom): New.
1557         (create_region): New.
1558         (find_regions_with_entry): New.
1559         (find_regions_adc): New.
1560         (find_regions): New.
1561         (get_topmost_parent): New.
1562         (build_regions_tree): New.
1563         (calculate_region_tree): New.
1564         (free_region_tree): New.
1565         * refined-regions.h: New.
1566         (struct refined_region): New.
1567         (calculate_region_tree): New.
1568         (free_region_tree): New.
1569         (refined_region_contains_bb_p): New.
1570         (refined_region_contains_region_p): New.
1571         (print_refined_region): New.
1572         (debug_refined_region): New.
1573
1574 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1577         size_one_node.
1578
1579 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1580
1581         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
1582         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
1583
1584 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
1587         phi_arg_in_outermost_loop.
1588         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
1589         (remove_invariant_phi): Same.
1590
1591 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1592
1593         * graphite-blocking.c
1594         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1595         * graphite-clast-to-gimple.c
1596         (clast_to_gcc_expression): Same.
1597         (precision_for_value): Same.
1598         (precision_for_interval): Same.
1599         (gcc_type_for_interval): Same.
1600         (graphite_create_new_guard): Same.
1601         (compute_bounds_for_level): Same.
1602         (graphite_create_new_loop_guard): Same.
1603         * graphite-interchange.c
1604         (build_linearized_memory_access): Same.
1605         (pdr_stride_in_loop): Same.
1606         (memory_strides_in_loop_1): Same.
1607         (memory_strides_in_loop): Same.
1608         (extend_scattering): Same.
1609         (psct_scattering_dim_for_loop_depth): Same.
1610         (pbb_number_of_iterations): Same.
1611         * graphite-poly.h
1612         (debug_iteration_domains): Same.
1613         * graphite-ppl.c
1614         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1615         (ppl_set_inhomogeneous_gmp): Same.
1616         (ppl_strip_loop): Same.
1617         (ppl_lexico_compare_linear_expressions): Same.
1618         (ppl_read_polyhedron_matrix): Same.
1619         (ppl_max_for_le_pointset): Same.
1620         * graphite-ppl.h
1621         (ppl_read_polyhedron_matrix): Same.
1622         (tree_int_to_gmp): Same.
1623         (gmp_cst_to_tree): Same.
1624         (ppl_set_inhomogeneous): Same.
1625         (ppl_set_inhomogeneous_tree): Same.
1626         (ppl_set_coef): Same.
1627         (ppl_set_coef_tree): Same.
1628         * graphite-sese-to-poly.c
1629         (build_pbb_scattering_polyhedrons): Same.
1630         (build_scop_scattering): Same.
1631         (scan_tree_for_params_right_scev): Same.
1632         (scan_tree_for_params): Same.
1633         (find_params_in_bb): Same.
1634         (find_scop_parameters): Same.
1635         (add_upper_bounds_from_estimated_nit): Same.
1636         (build_loop_iteration_domains): Same.
1637         (add_condition_to_domain): Same.
1638         (pdr_add_memory_accesses): Same.
1639
1640 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1641
1642         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1643         CLooG's value_* macros to their respective mpz_* counterparts.
1644         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1645         (graphite_create_new_loop_guard): Same.
1646         * graphite-interchange.c (build_linearized_memory_access): Same.
1647         (pdr_stride_in_loop): Same.
1648         (memory_strides_in_loop_1): Same.
1649         (1st_interchange_profitable_p): Same.
1650         * graphite-poly.c (extend_scattering): Same.
1651         (psct_scattering_dim_for_loop_depth): Same.
1652         (pbb_number_of_iterations): Same.
1653         (pbb_number_of_iterations_at_time): Same.
1654         * graphite-poly.h (new_1st_loop): Same.
1655         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1656         (oppose_constraint): Same.
1657         (insert_constraint_into_matrix): Same.
1658         (ppl_set_inhomogeneous_gmp): Same.
1659         (ppl_set_coef_gmp): Same.
1660         (ppl_strip_loop): Same.
1661         (ppl_lexico_compare_linear_expressions): Same.
1662         (ppl_max_for_le_pointset): Same.
1663         (ppl_min_for_le_pointset): Same.
1664         (ppl_build_realtion): Same.
1665         * graphite-ppl.h (gmp_cst_to_tree): Same.
1666         (ppl_set_inhomogeneous): Same.
1667         (ppl_set_inhomogeneous_tree): Same.
1668         (ppl_set_coef): Same.
1669         (ppl_set_coef_tree): Same.
1670         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1671         (build_scop_scattering): Same.
1672         (add_value_to_dim): Same.
1673         (scan_tree_for_params_right_scev): Same.
1674         (scan_tree_for_params_int): Same.
1675         (scan_tree_for_params): Same.
1676         (find_params_in_bb): Same.
1677         (find_scop_parameters): Same.
1678         (add_upper_bounds_from_estimated_nit): Same.
1679         (build_loop_iteration_domains): Same.
1680         (create_linear_expr_from_tree): Same.
1681         (add_condition_to_domain): Same.
1682         (pdr_add_memory_accesses): Same.
1683
1684 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         PR middle-end/43519
1687         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1688         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1689         When converting an unsigned type to signed, double its precision.
1690         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1691         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1692         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1693
1694 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1695
1696         PR middle-end/43519
1697         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1698         build_nonstandard_integer_type.
1699         (gcc_type_for_interval): Same.
1700
1701 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         PR middle-end/43519
1704         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1705         POINTER_PLUS_EXPR for pointer types.
1706
1707         * gcc.dg/graphite/id-19.c: New.
1708
1709 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1710
1711         PR middle-end/43519
1712         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1713         * graphite-clast-to-gimple.c: Include langhooks.h.
1714         (max_signed_precision_type): New.
1715         (max_precision_type): Takes two types as arguments.
1716         (precision_for_value): New.
1717         (precision_for_interval): New.
1718         (gcc_type_for_interval): New.
1719         (gcc_type_for_value): New.
1720         (gcc_type_for_clast_term): New.
1721         (gcc_type_for_clast_red): New.
1722         (gcc_type_for_clast_bin): New.
1723         (gcc_type_for_clast_expr): Split up into several functions.
1724         (gcc_type_for_clast_eq): Rewritten.
1725         (compute_bounds_for_level): New.
1726         (compute_type_for_level_1): New.
1727         (compute_type_for_level): New.
1728         (gcc_type_for_cloog_iv): Removed.
1729         (gcc_type_for_iv_of_clast_loop): Rewritten.
1730         (graphite_create_new_loop): Compute the lower and upper bound types
1731         with gcc_type_for_clast_expr.
1732         (graphite_create_new_loop_guard): Same.
1733         (find_cloog_iv_in_expr): Removed.
1734         (compute_cloog_iv_types_1): Removed.
1735         (compute_cloog_iv_types): Removed.
1736         (gloog): Do not call compute_cloog_iv_types.
1737         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1738         GBB_CLOOG_IV_TYPES.
1739         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1740         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1741         (GBB_CLOOG_IV_TYPES): Removed.
1742
1743         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1744
1745 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         Reverted this commit: as at this point the loop closed SSA form
1748         is under a canonical form respecting the single argument condition.
1749         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1750         close phi nodes may have more than one argument.
1751
1752 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1753
1754         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1755         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1756         (detect_commutative_reduction): Same.
1757
1758 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1761         close phi nodes may have more than one argument.
1762
1763 2010-03-30  Richard Guenther  <rguenther@suse.de>
1764             Zdenek Dvorak  <ook@ucw.cz>
1765             Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         PR middle-end/43464
1768         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1769         with multiple arguments.
1770         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1771
1772 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1773
1774         * graphite-dependences.c (print_pddr): Call print_pdr with an
1775         extra argument.
1776         * graphite-poly.c (debug_pdr): Add an extra argument for the
1777         verbosity level.
1778         (print_pdr): Same.
1779         (print_pbb_domain): Same.
1780         (print_pbb): Same.
1781         (print_scop_context): Same.
1782         (print_scop): Same.
1783         (print_cloog): Same.
1784         (debug_pbb_domain): Same.
1785         (debug_pbb): Same.
1786         (print_pdrs): Same.
1787         (debug_pdrs): Same.
1788         (debug_scop_context): Same.
1789         (debug_scop): Same.
1790         (debug_cloog): Same.
1791         (print_scop_params): Same.
1792         (debug_scop_params): Same.
1793         (print_iteration_domain): Same.
1794         (print_iteration_domains): Same.
1795         (debug_iteration_domain): Same.
1796         (debug_iteration_domains): Same.
1797         (print_scattering_function): Same.
1798         (print_scattering_functions): Same.
1799         (debug_scattering_function): Same.
1800         (debug_scattering_functions): Same.
1801         * graphite-poly.h (debug_pdr): Update declaration.
1802         (print_pdr): Same.
1803         (print_pbb_domain): Same.
1804         (print_pbb): Same.
1805         (print_scop_context): Same.
1806         (print_scop): Same.
1807         (print_cloog): Same.
1808         (debug_pbb_domain): Same.
1809         (debug_pbb): Same.
1810         (print_pdrs): Same.
1811         (debug_pdrs): Same.
1812         (debug_scop_context): Same.
1813         (debug_scop): Same.
1814         (debug_cloog): Same.
1815         (print_scop_params): Same.
1816         (debug_scop_params): Same.
1817         (print_iteration_domain): Same.
1818         (print_iteration_domains): Same.
1819         (debug_iteration_domain): Same.
1820         (debug_iteration_domains): Same.
1821         (print_scattering_function): Same.
1822         (print_scattering_functions): Same.
1823         (debug_scattering_function): Same.
1824         (debug_scattering_functions): Same.
1825
1826 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * graphite-poly.c (print_scattering_function_1): New.
1829         (print_scattering_function): Call it.
1830         (print_scop_params): Remove spaces at the end of lines.
1831         (print_cloog): New.
1832         (debug_cloog): New.
1833         * graphite-poly.h (print_cloog): Declared.
1834         (debug_cloog): Declared.
1835
1836 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1837
1838         * tree-ssa-copy.c: Revert this previous change:
1839         (init_copy_prop): Loop closed phi nodes cancontain more than one
1840         argument.
1841         (execute_copy_prop): Revert the previous change: do not call
1842         rewrite_into_loop_closed_ssa.
1843
1844 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1845             Richard Guenther  <rguenther@suse.de>
1846
1847         PR middle-end/43464
1848         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1849         contain more than one argument.
1850         (execute_copy_prop): Revert the previous change: do not call
1851         rewrite_into_loop_closed_ssa.
1852
1853         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1854         * gcc.dg/graphite/id-pr43464-1.c: New.
1855
1856 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         PR middle-end/43464
1859         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1860         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1861
1862         * gcc.dg/graphite/id-pr43464.c: New.
1863
1864 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1865
1866         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1867         in loop->header.
1868         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1869         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1870         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1871         to switch between adding the IV bump in loop->latch or in loop->header.
1872
1873 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * passes.c (init_optimization_passes): Add pass_copy_prop
1876         after Graphite.
1877
1878 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         * graphite-poly.c (print_scattering_function): Pretty print following
1881         the scoplib format.
1882         (print_pdr): Same.
1883         (print_pbb_domain): Same.
1884         (dump_gbb_cases): Same.
1885         (dump_gbb_conditions): Same.
1886         (print_pdrs): Same.
1887         (print_pbb): Same.
1888         (print_scop_params): Same.
1889         (print_scop_context): Same.
1890         (print_scop): Same.
1891         (print_pbb_body): New.
1892         (lst_indent_to): New.
1893         (print_lst): Start new lines with a #.
1894         * graphite-poly.h (pbb_bb): New.
1895         (pbb_index): Use pbb_bb.
1896         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1897         disjuncts.
1898         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1899
1900 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1901
1902         PR middle-end/43351
1903         * gcc.dg/graphite/id-pr43351.c
1904
1905 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1906
1907         PR middle-end/43354
1908         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1909         call insert_out_of_ssa_copy for default definitions.
1910         * gfortran.dg/graphite/id-pr43354.f: New.
1911
1912 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1913
1914         PR middle-end/43349
1915         * gfortran.dg/graphite/pr43349.f: New.
1916
1917 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1918
1919         * graphite-clast-to-gimple.c (my_long_long): Defined.
1920         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1921         * graphite-sese-to-poly.c (my_long_long): Defined.
1922         (scop_ivs_can_be_represented): Use it.
1923
1924 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1927         graphite-max-bbs-per-function, and loop-block-tile-size.
1928         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1929         with "maximum".
1930         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1931
1932 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1933
1934         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1935         forward declaration.
1936         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1937         (add_upper_bounds_from_estimated_nit): New.
1938         (build_loop_iteration_domains): Use it.
1939
1940 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1943
1944 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         PR middle-end/43306
1947         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1948         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1949         * gcc.dg/graphite/pr43306.c: New.
1950
1951 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite.c (graphite_initialize): To bound the number of bbs per
1954         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1955         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1956         * doc/invoke.texi: Document it.
1957
1958 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1959
1960         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1961         * graphite-sese-to-poly.h (build_poly_scop): Same.
1962
1963 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1964
1965         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1966         the number of parameters in the scop.  Use as an upper bound
1967         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1968         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1969         * doc/invoke.texi: Document it.
1970
1971 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * graphite-sese-to-poly.c (add_param_constraints): Use
1974         lower_bound_in_type and upper_bound_in_type.
1975
1976 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1979         instead of unsigned_type_node.
1980
1981 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1982             Reza Yazdani  <reza.yazdani@amd.com>
1983
1984         PR middle-end/43065
1985         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1986         on pointer type parameters.
1987
1988         * gcc.dg/graphite/run-id-4.c: New.
1989
1990 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         PR middle-end/43065
1993         * gcc.dg/graphite/run-id-3.c: New.
1994
1995 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1996             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1997
1998         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1999         handle conversions from pointer to integers.
2000         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2001         induction variable, to be able to work with code generated by CLooG.
2002         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2003         (build_poly_scop): Bail out if we cannot codegen a loop.
2004
2005 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2006
2007         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2008         code generation with gloog_error.
2009
2010 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2011
2012         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2013         Call fold_convert on all the returned values.
2014         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
2015         the type of the resulting expression.
2016
2017 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2020         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2021         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2022
2023 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * graphite-dependences.c (map_into_dep_poly): Removed.
2026         (dependence_polyhedron_1): Use combine_context_id_scat.
2027
2028 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * graphite-poly.h (struct poly_scattering): Add layout documentation.
2031         (struct poly_bb): Same.
2032         (combine_context_id_scat): New.
2033
2034 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2035
2036         PR middle-end/42326
2037         * sese.c (name_defined_in_loop_p): Return false for default
2038         definitions.
2039
2040         * gcc.dg/graphite/pr42326.c: New.
2041
2042 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2043
2044         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2045         and clean up the logic.
2046
2047 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2048
2049         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2050         early return.
2051
2052 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2053
2054         PR middle-end/43083
2055         * graphite-scop-detection.c (create_single_exit_edge): Move
2056         the call to find_single_exit_edge to....
2057         (create_sese_edges): ...here.  Don't handle multiple edges
2058         exiting the function.
2059         (build_graphite_scops): Don't handle multiple edges
2060         exiting the function.
2061
2062         * gcc.dg/graphite/pr43083.c: New.
2063
2064 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         PR middle-end/43097
2067         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2068         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2069
2070         * gfortran.dg/graphite/pr43097.f: New.
2071
2072 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2073             Manuel López-Ibáñez  <manu@gcc.gnu.org>
2074
2075         PR middle-end/43140
2076         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
2077
2078 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
2079
2080         PR middle-end/43026
2081         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2082
2083         * g++.dg/graphite/pr43026.C: New.
2084
2085 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2086
2087         * Merge from mainline (154736:156693).
2088
2089 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
2090
2091         PR middle-end/43012
2092         * gcc.dg/graphite/pr43012.c: New.
2093
2094 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2095
2096         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
2097 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * g++.dg/graphite/pr42930.C: New.
2100
2101 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         PR middle-end/42930
2104         * graphite-scop-detection.c (graphite_can_represent_scev): Call
2105         graphite_can_represent_init for MULT_EXPR.
2106
2107 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2108
2109         PR middle-end/42914
2110         PR middle-end/42530
2111         * graphite-sese-to-poly.c (remove_phi): New.
2112         (translate_scalar_reduction_to_array): Call remove_phi.
2113
2114         * gcc.dg/graphite/pr42530.c: New.
2115         * gcc.dg/graphite/pr42914.c: New.
2116
2117 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         PR middle-end/42771
2120         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2121         * graphite-clast-to-gimple.h (gloog): Update declaration.
2122         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2123         * graphite-poly.h (struct poly_bb): Add missing comments.
2124         (struct scop): Add poly_scop_p field.
2125         (POLY_SCOP_P): New.
2126         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2127         * graphite.c (graphite_transform_loops): Build the polyhedral
2128         representation for each scop before code generation.
2129         * sese.c (rename_variables_in_operand): Removed.
2130         (rename_variables_in_expr): Return the renamed expression.
2131         (rename_sese_parameters): New.
2132         * sese.h (rename_sese_parameters): Declared.
2133
2134         * gcc.dg/graphite/pr42771.c: New.
2135
2136 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2137
2138         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
2139         return 0 from main.
2140         * gcc.dg/graphite/block-1.c: Same.
2141         * gcc.dg/graphite/block-3.c: Same.
2142         * gcc.dg/graphite/block-4.c: Same.
2143         * gcc.dg/graphite/block-5.c: Same.
2144         * gcc.dg/graphite/block-6.c: Same.
2145         * gcc.dg/graphite/block-7.c: Same.
2146         * gcc.dg/graphite/interchange-0.c: Same.
2147         * gcc.dg/graphite/interchange-1.c: Same.
2148         * gcc.dg/graphite/interchange-10.c: Same.
2149         * gcc.dg/graphite/interchange-11.c: Same.
2150         * gcc.dg/graphite/interchange-12.c: Same.
2151         * gcc.dg/graphite/interchange-2.c: Same.
2152         * gcc.dg/graphite/interchange-3.c: Same.
2153         * gcc.dg/graphite/interchange-4.c: Same.
2154         * gcc.dg/graphite/interchange-5.c: Same.
2155         * gcc.dg/graphite/interchange-6.c: Same.
2156         * gcc.dg/graphite/interchange-7.c: Same.
2157         * gcc.dg/graphite/interchange-8.c: Same.
2158         * gcc.dg/graphite/interchange-9.c: Same.
2159         * gcc.dg/graphite/interchange-mvt.c: Same.
2160
2161 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * gfortran.dg/graphite/id-19.f: New.
2164         * gfortran.dg/graphite/pr14741.f90: New.
2165         * gfortran.dg/graphite/pr41924.f90: New.
2166         * gfortran.dg/graphite/run-id-2.f90: New.
2167
2168 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         PR middle-end/42988
2171         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2172         to unknown_dependence.
2173         (graphite_legal_transform_dr): Handle the unknown_dependence.
2174         (graphite_carried_dependence_level_k): Same.
2175
2176 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
2177
2178         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2179
2180 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2181             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2182
2183         PR middle-end/42637
2184         * graphite-dependences.c (build_lexicographical_constraint): Return
2185         a union of dependence polyhedra.
2186         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
2187
2188         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
2189         * gcc.dg/graphite/block-4.c: Same.
2190         * gcc.dg/graphite/block-7.c: Same.
2191         * gcc.dg/graphite/interchange-12.c: Same.
2192         * gcc.dg/graphite/interchange-mvt.c: Same.
2193         * gfortran.dg/graphite/interchange-1.f: XFAILed.
2194         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
2195         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
2196
2197 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
2200         the execution check to FAIL.  This testcase is miscompiled by Graphite
2201         and the check should be re-enabled.
2202         * gcc.dg/graphite/interchange-mvt.c: Same.
2203         * gcc.dg/graphite/block-0.c: Same.
2204         * gcc.dg/graphite/block-4.c: Same.
2205         * gcc.dg/graphite/block-7.c: Same.
2206
2207 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2208
2209         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
2210         * gcc.dg/graphite/scop-0.c: Fix spaces.
2211         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
2212         * gfortran.dg/graphite/block-2.f: Same.
2213         * gfortran.dg/graphite/block-3.f90: Same.
2214         * gfortran.dg/graphite/block-4.f90: Same.
2215         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
2216         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
2217
2218 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
2221         PDDR_ORIGINAL_SCATTERING_P.
2222         (pddr_is_empty): Rewritten.
2223         (print_dependence_polyhedron_layout): New.
2224         (print_pddr): New.
2225         (debug_pddr): New.
2226         (build_alias_set_powerset): Moved up.
2227         (poly_drs_may_alias_p): Moved up.
2228         (lexicographically_gt_p): Removed.
2229         (build_lexicographically_gt_constraint): Renamed
2230         build_lexicographical_constraint, reimplemented.
2231         (dependence_polyhedron_1): Simplified parameters.
2232         (dependence_polyhedron): Same.  Keep along empty PDDRs
2233         to make efficient use of the cache.
2234         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
2235         (graphite_legal_transform_dr): Rewritten.
2236         (graphite_legal_transform_bb): Pass fewer arguments to
2237         graphite_legal_transform_dr.
2238         (graphite_carried_dependence_level_k): Simplified implementation.
2239         (dot_original_deps_stmt_1): Call dependence_polyhedron.
2240         (dot_transformed_deps_stmt_1): Same.
2241         (dot_original_deps): Same.
2242         (dot_transformed_deps): Same.
2243         * graphite-dependences.h (struct poly_ddr): Added a new field
2244         original_scattering_p.
2245         (PDDR_ORIGINAL_SCATTERING_P): New.
2246         (print_pddr): Declared.
2247         (debug_pddr): Declared.
2248         * graphite-ppl.c: Clarify comment.
2249         * sese.h (print_gimple_bb): Removed unused declaration.
2250         (debug_gbb): Same.
2251
2252 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
2253
2254         * g++.dg/graphite/graphite.exp: Rewritten.
2255         * gcc.dg/graphite/graphite.exp: Rewritten.
2256         * gfortran.dg/graphite/graphite.exp: Rewritten.
2257         * gcc.dg/graphite/block-0.c: Added runtime test.
2258         * gcc.dg/graphite/block-1.c: Same.
2259         * gcc.dg/graphite/block-3.c: Same.
2260         * gcc.dg/graphite/block-4.c: Same.
2261         * gcc.dg/graphite/block-5.c: Same.
2262         * gcc.dg/graphite/block-6.c: Same.
2263         * gcc.dg/graphite/block-7.c: Same.
2264         * gcc.dg/graphite/interchange-0.c: Same.
2265         * gcc.dg/graphite/interchange-1.c: Same.
2266         * gcc.dg/graphite/interchange-10.c: Same.
2267         * gcc.dg/graphite/interchange-11.c: Same.
2268         * gcc.dg/graphite/interchange-12.c: Same.
2269         * gcc.dg/graphite/interchange-2.c: Same.
2270         * gcc.dg/graphite/interchange-3.c: Same.
2271         * gcc.dg/graphite/interchange-4.c: Same.
2272         * gcc.dg/graphite/interchange-5.c: Same.
2273         * gcc.dg/graphite/interchange-6.c: Same.
2274         * gcc.dg/graphite/interchange-7.c: Same.
2275         * gcc.dg/graphite/interchange-8.c: Same.
2276         * gcc.dg/graphite/interchange-9.c: Same.
2277         * gcc.dg/graphite/interchange-mvt.c: Same.
2278         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
2279
2280 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2281
2282         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
2283           background.
2284
2285 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2286
2287         * common.opt: Add -fgraphite-cloog-opts.
2288         * graphite-clast-to-gimple.c (set_cloog_options): Same.
2289         * opts.c (decode_options): Same.
2290
2291 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * gcc.dg/graphite/id-17.c: New.
2294         * gcc.dg/graphite/pr41888.c: New.
2295         * gcc.dg/graphite/scop-22.c: New.
2296         * gfortran.dg/graphite/pr40982.f90: New.
2297
2298 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2299
2300         * graphite-dependences.c: Clarify comments.
2301         (build_pddr): Add an extra parameter direction.
2302         (graphite_legal_transform_dr): Use build_pddr.
2303         (dot_original_deps_stmt_1): Update use of build_pddr.
2304         (dot_transformed_deps_stmt_1): Same.
2305         (dot_original_deps): Same.
2306         (dot_transformed_deps): Same.
2307
2308         * gcc.dg/graphite/interchange-12.c: New.
2309         * gcc.dg/graphite/block-7.c: New.
2310
2311 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
2314         (pddr_transformed_scattering): Removed.
2315         (graphite_legal_transform_dr): Use build_pddr.
2316         (dot_original_deps_stmt_1): Same.
2317         (dot_transformed_deps_stmt_1): Same.
2318         (dot_original_deps): Same.
2319         (dot_transformed_deps): Same.
2320
2321 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2322
2323         * graphite-dependences.c (lexicographically_gt_p): Add comments.
2324         (build_lexicographically_gt_constraint): Same.
2325         (dependence_polyhedron_1): Same.
2326         (dependence_polyhedron): Same.
2327
2328 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
2331         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
2332         (lexicographically_gt_p): Change type of direction to int.
2333         (build_lexicographically_gt_constraint): Same.
2334         (dependence_polyhedron_1): Same.
2335         (dependence_polyhedron): Same.
2336         (pddr_original_scattering): Use integers for direction.
2337         (pddr_transformed_scattering): Same.
2338         (graphite_legal_transform_dr): Same.
2339         (graphite_carried_dependence_level_k): Same.
2340
2341 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite-dependences.c (build_pairwise_constraint): Renamed
2344         ppl_build_relation.  Moved...
2345         (dr_equality_constraints): Use ppl_build_relation.
2346         (build_pairwise_scheduling_equality): Same.
2347         (build_pairwise_scheduling_inequality): Same.
2348         * graphite-ppl.c (ppl_build_relation): ...here.
2349         * graphite-ppl.h (ppl_build_relation): Declared.
2350
2351 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         PR middle-end/42681
2354         * graphite-clast-to-gimple.c (gloog_error): New static variable.
2355         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
2356         Set gloog_error when such an expression failed to be built.
2357         (translate_clast): Early return when gloog_error is set.
2358         (gloog): Clear gloog_error.  When gloog_error is set, call
2359         set_ifsese_condition to enable the original code.  Return the status
2360         of the code generation based on gloog_error.
2361         * sese.c (set_ifsese_condition): New.
2362         * sese.h (set_ifsese_condition): Declared.
2363
2364         * g++.dg/graphite/pr42681.C: New.
2365
2366 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2367
2368         PR middle-end/42732
2369         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
2370         rename_nb_iterations.
2371         * sese.c (rename_variables_in_operand): New.
2372         (rename_variables_in_expr): New.
2373         (rename_nb_iterations): New.
2374         (sese_adjust_liveout_phis): Update the rename_map.
2375         * sese.h (rename_nb_iterations): Declared.
2376         * tree-scalar-evolution.c (scev_reset_htab): New.
2377         (scev_reset): Call scev_reset_htab.
2378         * tree-scalar-evolution.h (scev_reset_htab): Declared.
2379
2380         * gfortran.dg/graphite/pr42732.f: New.
2381
2382 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         PR middle-end/42393
2385         * graphite-clast-to-gimple.c: Fix formatting.
2386         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
2387         (expr_defined_in_loop_p): New.
2388         (add_loop_exit_phis): Also handle full expressions: remove from
2389         the rename_map the expressions defined in the loop that we're closing.
2390
2391         * gfortran.dg/graphite/pr42393-1.f90: New.
2392         * gfortran.dg/graphite/pr42393.f90: Add new flags
2393         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
2394         make this testcase useful in the Graphite branch.
2395
2396 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * graphite-scop-detection.c (exclude_component_ref): Removed.
2399         (is_simple_operand): Removed.
2400         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
2401
2402 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         PR middle-end/42221
2405         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2406         the array indexing of ADDR_EXPRs.
2407
2408         * gcc.dg/graphite/pr42221.c: New.
2409
2410 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2411
2412         PR middle-end/42521
2413         * graphite.c (graphite_finalize): Call scev_reset.
2414         (graphite_transform_loops): Do not call scev_reset between the code
2415         generation of scops.
2416
2417         * gcc.dg/graphite/pr42521.c: New.
2418
2419 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2420
2421         * graphite-interchange.c (memory_stride_in_loop): Renamed
2422         pdr_stride_in_loop.
2423         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
2424         (memory_strides_in_loop): Memoize the memory strides per loop.
2425         (lst_interchange_profitable_p): Do not initialize to zero the memory
2426         strides.
2427         * graphite-poly.h (struct lst): Add a field memory_strides.
2428         (LST_LOOP_MEMORY_STRIDES): New.
2429         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
2430         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
2431
2432 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
2435         memory_strides_in_loop.  Gather memory strides on a whole loop.
2436         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
2437         (lst_interchange_profitable_p): Removed.
2438         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
2439
2440 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2441
2442         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2443         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2444         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2445         Remove context_loop and level.
2446
2447 2010-01-07  Richard Guenther  <rguenther@suse.de>
2448
2449         PR tree-optimization/42641
2450         * sese.c (rename_map_elt_info): Use the SSA name version, do
2451         not hash pointers.
2452
2453 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2454
2455         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
2456         blocked" only when both the strip mine and the interchange have
2457         been applied.
2458
2459         * gcc.dg/graphite/block-2.c: Removed.
2460         * gcc.dg/graphite/block-3.c: Add scan pattern.
2461         * gcc.dg/graphite/block-4.c: Same.
2462         * gcc.dg/graphite/block-5.c: Same.
2463         * gcc.dg/graphite/block-6.c: Same.
2464
2465 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
2468         before allocating a new one.
2469         (copy_renames): Check that slot is not NULL.
2470         (mark_bb_with_pbb): Same.
2471         (compute_cloog_iv_types_1): Same.
2472         * graphite-interchange.c (lst_perfect_nestify): Free the before,
2473         nest, and after LSTs.
2474         (lst_try_interchange_loops): Same.
2475
2476 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2477
2478         PR middle-end/42178
2479         * graphite-interchange.c (lst_try_interchange_loops): Do not return
2480         the before, nest, and after LSTs.
2481         (lst_try_interchange): Removed.
2482         (lst_interchange_select_inner): Do not iterate over the LSTs if they
2483         were modified.
2484         (lst_interchange_select_outer): Apply interchange on the outer loop
2485         until there are no more changes in the inner loops.
2486
2487 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2488
2489         Revert patch fixing PR middle-end/42221.
2490
2491 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         PR middle-end/42180
2494         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
2495         GIMPLE_CALL.
2496
2497         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
2498
2499 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         PR middle-end/42180
2502         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
2503         that contain only one statement.
2504
2505         * gfortran.dg/graphite/pr42180.f90: New.
2506
2507 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         PR middle-end/42393
2510         * gfortran.dg/graphite/pr42393.f90: New.
2511
2512 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         PR middle-end/42186
2515         * gfortran.dg/graphite/pr42186.f90: New.
2516
2517 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2518
2519         PR middle-end/42205
2520         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
2521         Insert the reduction copy in the same block as the phi node.
2522         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
2523
2524         * gcc.dg/graphite/pr42205-1.c: New.
2525         * gcc.dg/graphite/pr42205-2.c: New.
2526
2527 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2528
2529         PR middle-end/42221
2530         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
2531         the array indexing of ADDR_EXPRs.
2532
2533         * gcc.dg/graphite/pr42221.c: New.
2534
2535 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
2536
2537         PR middle-end/42178
2538         PR middle-end/42334
2539         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
2540         index.  Call lst_interchange_select_inner only once.
2541         (lst_interchange_select_inner): Update use of lst_try_interchange.
2542         (lst_interchange_select_outer): Update.
2543
2544 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         PR middle-end/42178
2547         PR middle-end/42334
2548         * graphite-interchange.c (lst_try_interchange): Do not increment the
2549         the OUTER index when there is no AFTER kernel.  Do not increment the
2550         OUTER index for after processing the AFTER kernel.
2551         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
2552         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
2553         index.  Do not pass to lst_interchange_select_inner the OUTER index.
2554         (scop_do_interchange): Update use of lst_interchange_select_outer.
2555
2556         * gfortran.dg/graphite/graphite.exp
2557         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
2558         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
2559         the graphite dump file.
2560         * gfortran.dg/graphite/interchange-2.f: Same.
2561         * gfortran.dg/graphite/pr42334-1.f: New.
2562
2563 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
2564
2565         PR middle-end/42178
2566         PR middle-end/42334
2567         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
2568         that are empty.
2569         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
2570         (lst_try_interchange): Reimplemented.
2571         (lst_interchange_select_inner): Same.
2572         (lst_do_interchange): Renamed lst_interchange_select_outer.
2573         Reimplemented.
2574         (scop_do_interchange): Update use of lst_interchange_select_outer.
2575
2576         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
2577         * gcc.dg/graphite/block-0.c: Un-XFAILed.
2578         * gcc.dg/graphite/pr42211.c: New.
2579         * gfortran.dg/graphite/pr42334.f90: New.
2580
2581 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         PR middle-end/42181
2584         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
2585         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
2586
2587         * gfortran.dg/graphite/pr42181.f90: New.
2588
2589 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
2590
2591         PR middle-end/42284
2592         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
2593         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
2594         (detect_commutative_reduction_arg): Simplified.
2595         (detect_commutative_reduction): Early return when the argument of
2596         the close phi is not of an SSA_NAME.
2597
2598         * gcc.dg/graphite/pr42284.c: New.
2599
2600 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
2601
2602         * dbgcnt.def (graphite_scop): New counter.
2603         * graphite.c: Include dbgcnt.h
2604         (graphite_transform_loops): Use new counter to limit transformations.
2605
2606 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
2607
2608         PR middle-end/42285
2609         * graphite-scop-detection.c (graphite_can_represent_init): Also
2610         handle more complex MULT_EXPRs containing parameters by recursion
2611         on the structure.
2612
2613         * gfortran.dg/graphite/pr42285.f90: New.
2614
2615 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2616
2617         * g++.dg/graphite/pr42130.C: Fix type.
2618
2619 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
2620
2621         * g++.dg/graphite/pr42130.C: Correct testcase.
2622
2623 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2624
2625         * Merge from mainline (154493:154734).
2626
2627 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
2628
2629         * Merge from mainline (151362:154491).
2630
2631 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2632
2633         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
2634         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
2635
2636 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2637
2638         PR middle-end/42130
2639         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2640         translate_clast_for_loop): New.
2641         (translate_clast_for): Add a condition around the loop, to do not
2642         execute loops with zero iterations.
2643         * g++.dg/graphite/pr42130.C: New.
2644         * gcc.dg/graphite/pr35356-2.c: Adapt.
2645
2646 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2647
2648         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2649         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2650         Remove context_loop and level.
2651
2652 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2653
2654         * graphite-clast-to-gimple.c (translate_clast_user,
2655         translate_clast_for, translate_clast_guard): Simplify and move common
2656         elements to translate_clast().
2657         (translate_clast): Simplify and get common elements.
2658
2659 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * graphite-clast-to-gimple.c (translate_clast_user,
2662         translate_clast_for, translate_clast_guard): Split out of
2663         translate_clast.
2664
2665 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2666
2667         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2668         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2669         debug_clast_name_indexes_1, debug_clast_name_indexes,
2670         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2671         (clast_name_to_gcc, clast_to_gcc_expression,
2672         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2673         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2674         graphite_create_guard_cond_expr, graphite_create_new_loop,
2675         translate_clast): Add params_index.
2676         (initialize_cloog_names): Create parameter strings from scratch, do
2677         not reference other strings.
2678         (create_params_index): New.
2679         (gloog): Initialize params_index.
2680         * graphite-scop-detection (free_scops_1): Removed.
2681         (limit_scops): Use normal free_scops.
2682         * graphite-sese-to-poly.c (save_var_names): Removed.
2683         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2684         and SESE_PARAMS_INDEX.
2685         * sese.c (new_sese, free_sese): Dito.
2686         * sese.h (struct sese): Remove params_index, params_names.
2687         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2688
2689 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2690
2691         Revert the following patch from 2009-09-14:
2692         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2693         tree-scalar-evolution.h, and then tree-data-ref.h.
2694         * graphite-clast-to-gimple.c: Same.
2695         * graphite-dependences.c: Same.
2696         * graphite-interchange.c: Same.
2697         * graphite-poly.c: Same.
2698         * graphite-scop-detection.c: Same.
2699         * graphite-sese-to-poly.c: Same.
2700         * graphite.c: Same.
2701         * lambda-code.c: Same.
2702         * matrix-reorg.c: Same.
2703         * tree-data-ref.c: Same.
2704         * tree-if-conv.c: Same.
2705         * tree-loop-distribu: Same.: Same.
2706         * tree-loop-linear.c: Same.
2707         * tree-parloops.c: Same.
2708         * tree-predcom.c: Same.
2709         * tree-vect-patterns.c: Same.
2710
2711 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         Revert patch from 2009-09-14.
2714         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2715         passes at -O1 and below.
2716
2717 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2718
2719         PR middle-end/40281
2720         * gcc.dg/graphite/pr40281.c: New.
2721
2722         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2723         evolutions should not variate in inner loops.
2724
2725 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         PR middle-end/42050
2728         * gfortran.dg/graphite/pr42050.f90: New.
2729
2730 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2731
2732         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2733         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2734
2735 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2736
2737         * graphite-blocking.c (scop_do_block): New.
2738         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2739         * graphite-poly.h (scop_do_block): Declared.
2740
2741 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2744         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2745         to transform depth into the time_depth before calling
2746         pbb_number_of_iterations_at_time.
2747         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2748         lst_depth.
2749
2750 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2751
2752         Reverted the patch for "scattering permutations" from 2009-10-28.
2753
2754         * graphite-poly.c (print_permutation): New.
2755         (debug_permutation): New.
2756         (new_poly_bb): Initialize PBB_PERMUTATION.
2757         (free_poly_bb): Free PBB_PERMUTATION.
2758         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2759         (struct pbb_permutation_elt): New.
2760         (PBB_PERMUTATION_ELT_STRIDE): New.
2761         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2762         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2763         (new_pbb_permutation_elt): New.
2764         (pbb_permutation_elt_free): New.
2765         (struct poly_bb): Add field permutation.
2766         (PBB_PERMUTATION): New.
2767         (print_permutation): Declared.
2768         (debug_permutation): Declared.
2769
2770 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2771
2772         * graphite-interchange.c (build_partial_difference): New.
2773         (memory_stride_in_loop): Refactored the computation of
2774         equality constraints into build_partial_difference function.
2775         Added support for debugging stride computations.
2776
2777 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * graphite-clast-to-gimple.c (gloog): Free if_region,
2780         if_region->true_region, and if_region->region.
2781         * sese.c (if_region_set_false_region): Free if_region->false_region.
2782         (create_if_region_on_edge): Do not use GGC_NEW.
2783         (move_sese_in_condition): Remove useless initialization.
2784
2785 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2788         for the loops created by the loop distribution.  Do not modify the
2789         input LSTs.
2790         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2791         transformed schedule.  Call lst_update_scattering before data
2792         dependence analysis.
2793         (lst_try_interchange): Pass an extra parameter INDEX.
2794         (lst_do_interchange_1): New.
2795         (lst_do_interchange): Call lst_do_interchange_1.
2796         (scop_do_interchange): Call lst_update_scattering.
2797         * graphite-poly.c (apply_poly_transforms): Do not call
2798         lst_update_scattering.
2799         * graphite-poly.h (lst_pred): New.
2800         (lst_succ): New.
2801         (lst_find_first_pbb): Return NULL when not found.
2802         (lst_empty_p): New.
2803         (lst_insert_in_sequence): Allow LST1 to be NULL.
2804         (lst_replace): New.
2805         (lst_substitute_3): New.
2806         * gcc.dg/graphite/interchange-1.c: XFail.
2807         * gcc.dg/graphite/interchange-8.c: XFail.
2808         * gcc.dg/graphite/interchange-11.c: XFail.
2809
2810 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * graphite-interchange.c (lst_perfectly_nested_p): New.
2813         (lst_perfect_nestify): New.
2814         (lst_try_interchange_loops): Call store_lst_schedule,
2815         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2816         (scop_do_interchange): Avoid redundant legality test.
2817         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2818         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2819         * graphite-poly.h (psct_static_dim): New.
2820         (lst_dewey_number_at_depth): New.
2821         (lst_find_pbb): Restructured.
2822         (lst_find_first_pbb): Restructured.
2823         (lst_find_last_pbb): New.
2824         (lst_contains_p): New.
2825         (lst_contains_pbb): New.
2826         (lst_create_nest): New.
2827         (lst_remove_from_sequence): New.
2828         (pbb_update_scattering): New.
2829         (lst_update_scattering_under): New.
2830         (lst_update_scattering_seq): New.
2831         (lst_update_scattering): New.
2832         (lst_insert_in_sequence): New.
2833         (lst_distribute_lst): New.
2834         (lst_remove_all_before_including_pbb): New.
2835         (lst_remove_all_before_excluding_pbb): New.
2836
2837 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2838
2839         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2840         get_loop_exit_edges.
2841
2842 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2843
2844         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2845
2846 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2847
2848         * graphite-poly.c (print_permutation): New.
2849         (debug_permutation): New.
2850         (new_poly_bb): Initialize PBB_PERMUTATION.
2851         (free_poly_bb): Free PBB_PERMUTATION.
2852         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2853         (struct pbb_permutation_elt): New.
2854         (PBB_PERMUTATION_ELT_STRIDE): New.
2855         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2856         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2857         (new_pbb_permutation_elt): New.
2858         (pbb_permutation_elt_free): New.
2859         (struct poly_bb): Add field permutation.
2860         (PBB_PERMUTATION): New.
2861         (print_permutation): Declared.
2862         (debug_permutation): Declared.
2863
2864 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         * graphite-clast-to-gimple.c (gloog): Do not call
2867         sese_reset_aux_in_loops.
2868         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2869         extra argument for domains.  Do not use loop->aux.
2870         (build_scop_iteration_domain): Initialize and free domains, pass it
2871         to build_loop_iteration_domains and extract the information from
2872         domains.  Do not use loop->aux.
2873         * sese.c (sese_reset_aux_in_loops): Removed.
2874         * sese.h (sese_reset_aux_in_loops): Removed.
2875
2876 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2879         (dependency_in_loop_p): Same.
2880         (translate_clast): Do not use loop->aux.  Initialize
2881         loop->can_be_parallel.
2882         (mark_loops_parallel): Removed.
2883         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2884         * graphite.c (free_aux_in_new_loops): Removed.
2885         (graphite_finalize): Do not call free_aux_in_new_loops.
2886         (graphite_transform_loops): Do not call mark_loops_parallel.
2887
2888 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2889
2890         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2891         (translate_clast): Pass an extra parameter LEVEL.
2892         Call get_scattering_level.
2893         * graphite-clast-to-gimple.h (get_scattering_level): New.
2894
2895 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2898         * cfgloop.h (struct loop): New field single_iv.
2899
2900         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2901         loop->aux anymore: use loop->single_iv.
2902         (graphite_loop_normal_form): Moved...
2903         (build_graphite_loop_normal_form): Removed.
2904         (gloog): Do not call build_graphite_loop_normal_form.
2905         (free_aux_in_new_loops): Moved...
2906         (mark_loops_parallel): Restructure.
2907         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2908         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2909         (scop_canonicalize_loops): New.
2910         (build_poly_scop): Call scop_canonicalize_loops.
2911         * graphite.c (free_aux_in_new_loops): ...here.
2912
2913 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * g++.dg/graphite/graphite.exp: Add the same rules as in
2916         gcc.dg/graphite/graphite.exp.
2917
2918 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         * g++.dg/graphite/id-1.C: New.
2921
2922 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2925         argument base_name.
2926         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2927         (rewrite_phi_out_of_ssa): Same.
2928         (rewrite_cross_bb_scalar_deps): Same.
2929         (translate_scalar_reduction_to_array): Same.
2930
2931 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2934         dump_alias_graphs.
2935
2936 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2939         (build_scop_drs): Call dump_alias_graphs.
2940
2941 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2944         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2945         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2946         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2947         * graphite-poly.h (free_lst): New.
2948         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2949         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2950
2951 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         * graphite-poly.h (struct scop): Add a field saved_schedule.
2954         (SCOP_SAVED_SCHEDULE): New.
2955         (store_lst_schedule): New.
2956         (restore_lst_schedule): New.
2957         (store_scattering): Call store_lst_schedule.
2958         (restore_scattering): Call restore_lst_schedule.
2959
2960 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2961
2962         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2963         (pdr_add_alias_set): Same.
2964         (build_poly_dr): Same.
2965         (build_alias_set_optimal_p): Same.
2966         (build_base_obj_set_for_drs): Same.  Do not store the result of
2967         graphds_dfs.
2968
2969 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2972         all_components_are_cliques to 1.
2973
2974 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2975
2976         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2977         the new structure.
2978         (pdr_add_alias_set): Update retrieving alias_set_num.
2979         (build_poly_dr): Update retrieving dr_base_object_set.
2980         (partition_drs_to_sets): Remove.
2981         (build_alias_set_optimal_p): New.
2982         (build_alias_set_for_drs): Rename.
2983         (build_scop_drs): Update.
2984         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2985         (ALIAS_SET_INDEX): Remove.
2986         (BASE_OBJECT_SET_INDEX): Remove.
2987
2988 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2989
2990         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2991
2992 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2993
2994         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2995         loop upper bounds for 1-element arrays at end of structures.
2996         * tree-flow.h (array_at_struct_end_p): Declared.
2997         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2998
2999 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * g++.dg/graphite/pr41305.C: New.
3002
3003 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
3004
3005         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
3006         construction of parameter constraints from loop iteration analysis.
3007         * gcc.dg/graphite/run-id-2.c: New test.
3008
3009 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
3012         and new_cstr.
3013
3014 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-dependences.c (dependence_polyhedron_1): Remove
3017         unused gdim dimensions from the DDR polyhedron.
3018
3019 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * graphite-dependences.c (pddr_transformed_scattering): New.
3022         (dot_original_deps_stmt_1): New.
3023         (dot_transformed_deps_stmt_1): New.
3024         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
3025         dot_transformed_deps_stmt_1.
3026         (dot_original_deps): New.
3027         (dot_transformed_deps): New.
3028         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
3029
3030 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite-dependences.c (reduction_dr_1): Remove wrong
3033         assert: reduction BBs can have multiple reduction writes
3034         to memory.  interchange-3.f90 is an example.
3035
3036 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3037
3038         * gfortran.dg/graphite/interchange-3.f90: New.
3039
3040 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3041
3042         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
3043
3044 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3045
3046         * graphite-dependences.c (dependence_polyhedron_1): Add the
3047         context to the dependence polyhedron.
3048
3049 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
3052         PBB_PDR_DUPLICATES_REMOVED.
3053         (new_poly_bb): Same.
3054
3055 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3056
3057         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
3058         SCOP_CONTEXT.
3059         (build_loop_iteration_domains): Extract bounds on parameters
3060         based on the data size.
3061         (build_scop_context): Do not initialize SCOP_CONTEXT;
3062         add new constraints.
3063
3064 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
3067         * graphite-ppl.h (graphite-ppl.h): Declared.
3068
3069 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
3070
3071         * graphite-ppl.c (ppl_print_linear_expr): New.
3072         (debug_ppl_linear_expr): New.
3073         * graphite-ppl.h (ppl_print_linear_expr): Declared.
3074         (debug_ppl_linear_expr): Declared.
3075
3076 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3077
3078         * graphite-interchange.c: Fix comments.
3079         * gcc.dg/graphite/block-1.c: Fix comments.
3080
3081 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
3084         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
3085
3086 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
3087
3088         Reapply the patch from Alexander Monakov that disappeared during
3089         the last merges from trunk.
3090
3091         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3092
3093         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3094         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3095
3096 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         * graphite-interchange.c (memory_stride_in_loop): The depth
3099         argument corresponds to a dynamic time dimension, so use
3100         psct_dynamic_dim to refer to the transformed scattering dimension.
3101
3102 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
3105
3106 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3107
3108         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
3109         root of the LST.
3110         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
3111         the root of the LST.
3112         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
3113         fake loop.
3114         (print_lst): Print the root of LST in a different format.
3115         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
3116
3117 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
3120
3121 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * doc/passes.texi: Document the Graphite infrastructure.
3124
3125 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
3128         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
3129         and check the SSA representation.
3130
3131         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
3132
3133 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
3134
3135         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
3136
3137 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3138
3139         * gcc.dg/graphite/interchange-11.c: New.
3140
3141 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3142
3143         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
3144
3145 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3148         Add -fno-loop-strip-mine and -fno-loop-interchange.
3149         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
3150         -fno-loop-strip-mine.
3151         * gfortran.dg/graphite/graphite.exp: Same.
3152
3153 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3154
3155         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3156         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
3157         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
3158         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
3159         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
3160         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
3161         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
3162         DEFAULT_FLAGS_GRAPHITE_SCOP.
3163         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
3164         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
3165
3166 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
3169
3170 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3171             Sebastian Pop  <sebastian.pop@amd.com>
3172
3173         * graphite-interchange.c (build_linearized_memory_access): Pass an
3174         offset as parameter.
3175         (memory_stride_in_loop): Include transform scattering in the
3176         access functions to be able to querry the strides in the
3177         transformed loops.
3178         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
3179         not the psct_iterator_dim.
3180
3181 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3182
3183         * graphite-blocking.c (pbb_do_strip_mine): Removed.
3184         (lst_do_strip_mine_loop): New.
3185         (lst_do_strip_mine): New.
3186         (scop_do_strip_mine): Call lst_do_strip_mine.
3187         * graphite-poly.h (lst_add_loop_under_loop): New.
3188         (lst_find_first_pbb): New.
3189
3190 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * graphite-poly.c (loop_to_lst): Fix LST creation.
3193
3194 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3195
3196         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
3197         sizeof(unsigned long) to make it run on 32bit systems.
3198
3199 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
3200
3201         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
3202         SEGFAULT on 32bit.
3203
3204 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
3205
3206         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
3207         Comment.
3208         (write_alias_graph_to_ascii_dot): New.
3209         (write_alias_graph_to_ascii_ecc): Ditto.
3210         (partition_drs_to_sets): Add testing of optimality of current method
3211         which assigns alias numbers according to DFS Comopnent number.  used
3212         as heuristic for the upcoming ECC algorithm.
3213         (build_scop_drs): Write to file also with the ecc and dot format.
3214
3215 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * gfortran.dg/graphite/interchange-1.f: XFail.
3218
3219 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite.c (graphite_initialize): Do not handle functions with
3222         more than 100 basic blocks.
3223
3224 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         * graphite-blocking.c (pbb_do_strip_mine): Use
3227         PARAM_LOOP_BLOCK_TILE_SIZE.
3228
3229 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3230
3231         * graphite-poly.c (dot_lst_1): New.
3232         (dot_lst): New.
3233         * graphite-poly.h (dot_lst): Declared.
3234
3235 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
3236
3237         * graphite-dependences.c (dot_deps_stmt_1): New.
3238         (dot_deps_stmt): New.
3239         * graphite-dependences.h (dot_deps_stmt): Declared.
3240
3241 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3242
3243         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
3244         not replace cross BB scalar dependences ending on PHI nodes.
3245         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
3246
3247 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         * graphite-poly.c (apply_poly_transforms): Implement the high
3250         level driver for flag_loop_block.
3251         * opts.c (decode_options): Enable flag_loop_block at -O2.
3252         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
3253         flag_loop_block.
3254
3255         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
3256         -floop-block.
3257         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
3258         Add -floop-block.
3259
3260 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3261
3262         * graphite-poly.h (lst_find_pbb): New.
3263         (find_lst_loop): New.
3264
3265 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
3268         * graphite-poly.h (struct scop): Remove dep_graph field.
3269         (SCOP_DEP_GRAPH): Removed.
3270
3271 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * graphite-poly.h (copy_lst): Do full copy of LST.
3274
3275 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
3278         when the loop stride is zero.
3279
3280         * gcc.dg/graphite/id-16.c: New.
3281
3282 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * graphite-dependences.c (reduction_dr_1): New.
3285         (reduction_dr_p): New.
3286         (graphite_legal_transform_dr): Call reduction_dr_p.
3287         (reduction_ddr): Renamed reduction_ddr_p.
3288         * graphite-poly.h (same_pdr_p): New.
3289         (number_of_write_pdrs): New.
3290         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
3291         (split_reduction_stmt): Do not split reduction statements
3292         when there are no writes to memory.
3293         (translate_scalar_reduction_to_array_for_stmt): Insert the
3294         memory reduction statement just after the scalar reduction statement.
3295
3296         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
3297         Un-XFAIL-ed.
3298         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
3299         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
3300
3301 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * graphite-interchange.c (lst_apply_interchange): New.
3304         (lst_interchange_profitable_p): New.
3305         (lst_try_interchange_loops): New.
3306         (lst_try_interchange): New.
3307         (lst_do_interchange): New.
3308         (pbb_do_interchange): Removed.
3309         (scop_do_interchange): Call lst_do_interchange.
3310
3311 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
3314         SCOP_TRANSFORMED_SCHEDULE.
3315         (loop_to_lst): New.
3316         (scop_to_lst): New.
3317         (print_lst): New.
3318         (debug_lst): New.
3319         * graphite-poly.h (lst_p): New.
3320         (struct lst): New.
3321         (LST_LOOP_P): New.
3322         (LST_LOOP_FATHER): New.
3323         (LST_PBB): New.
3324         (LST_SEQ): New.
3325         (scop_to_lst): Declared.
3326         (print_lst): Declared.
3327         (debug_lst): Declared.
3328         (new_lst_loop): New.
3329         (new_lst_stmt): New.
3330         (copy_lst): New.
3331         (lst_depth): New.
3332         (lst_dewey_number): New.
3333         (struct scop): Add original_schedule and transformed_schedule fields.
3334         (SCOP_ORIGINAL_SCHEDULE): New.
3335         (SCOP_TRANSFORMED_SCHEDULE): New.
3336         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
3337
3338 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * graphite-dependences.c (reduction_ddr): New.
3341         (graphite_legal_transform_bb): Call reduction_ddr.
3342         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
3343         Initialize PBB_IS_REDUCTION.
3344         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
3345         (PBB_IS_REDUCTION): New.
3346         (new_poly_bb): Update declaration.
3347         * graphite-scop-detection.h (build_scop_bbs): Removed.
3348         (nb_reductions_in_loop): Removed.
3349         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
3350         parameter for reductions.
3351         (try_generate_gimple_bb): Update call to new_poly_bb.
3352         (build_scop_bbs_1): Same.
3353         (build_scop_bbs): Same.
3354         (gsi_for_phi_node): New.
3355         (scalar_close_phi_node_p): Remove gcc_assert.
3356         (split_reduction_stmt): New.
3357         (is_reduction_operation_p): New.
3358         (phi_contains_arg): New.
3359         (follow_ssa_with_commutative_ops): New.
3360         (detect_commutative_reduction_arg): New.
3361         (detect_commutative_reduction_assign): New.
3362         (follow_inital_value_to_phi): New.
3363         (edge_initial_value_for_loop_phi): New.
3364         (initial_value_for_loop_phi): New.
3365         (detect_commutative_reduction): New.
3366         (translate_scalar_reduction_to_array_for_stmt): New.
3367         (insert_copyout): New.
3368         (insert_copyin): New.
3369         (translate_scalar_reduction_to_array): New.
3370         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
3371         (rewrite_commutative_reductions_out_of_ssa_loop): New.
3372         (rewrite_commutative_reductions_out_of_ssa): New.
3373         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
3374         * sese.h (split_region_for_bb): New.
3375
3376         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
3377         * gcc.dg/graphite/interchange-1.c: Fix format.
3378         * gcc.dg/graphite/interchange-10.c: New.
3379
3380 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
3383         buggy assert.
3384
3385 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * graphite-sese-to-poly.c (scev_analyzable_p): New.
3388         (rewrite_cross_bb_scalar_dependence): New.
3389         (rewrite_cross_bb_scalar_deps): New.
3390         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
3391         Call rewrite_cross_bb_scalar_deps.
3392
3393 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
3396         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
3397         gsi_for_stmt.
3398
3399 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
3402         * graphite-interchange.c (pbb_do_interchange): Same.
3403         * graphite-poly.c (print_scattering_function): Same.
3404         (debug_pdrs): Same.
3405         * graphite-poly.h (pbb_loop): New.
3406         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
3407
3408 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3409
3410         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
3411
3412 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
3413
3414         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
3415         so don't pass a pointer to it.
3416         (build_alias_set_for_drs): Same.
3417         (build_base_obj_set_for_drs): Same.
3418         (build_scop_drs): Same.
3419
3420 2009-09-26  Li Feng  <nemokingdom@gmail.com>
3421
3422         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
3423         the alias graph of data references.
3424
3425 2009-09-25  Li Feng  <nemokingdom@gmail.com>
3426
3427         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
3428         (build_scop_drs): When debugging, write the alias graph to file,
3429         otherwise, should be disabled.
3430
3431 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3432
3433         * Merge from mainline (151310:151361).
3434
3435 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3436
3437         * Merge from mainline (151171:151310).
3438
3439 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * Merge from mainline (151171:151806).
3442
3443 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3444
3445         * Revert the last commit.
3446
3447 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * Merge from mainline (151171:151819).
3450
3451 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
3454         (is_simple_operand): Remove call to stmt_simple_memref_p.
3455         (stmt_simple_for_scop_p): Update call to is_simple_operand.
3456
3457 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
3458
3459         * gcc.dg/graphite/interchange-mvt.c: New File.
3460         * gcc.dg/graphite/scop-dsyrk.c: New File.
3461         * gcc.dg/graphite/scop-dsyr2k.c: New File.
3462         * gcc.dg/graphite/scop-mvt.c: New File.
3463         * gcc.dg/graphite/scop-sor.c: New File.
3464
3465 2009-09-17 Li Feng  <nemokingdom@gmail.com>
3466
3467         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
3468         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
3469         (graphite_carried_dependence_level_k): Ditto.
3470         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
3471         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
3472         (new_poly_dr): Adjust declaration.
3473         * graphite-sese-to-poly.c (free_data_refs_aux): New.
3474         (free_gimple_bb): Added free_data_refs_aux.
3475         (build_poly_dr): Add dr_base_object_set.
3476         (partition_drs_to_sets): New.
3477         (dr_same_base_object_p): New.
3478         (build_alias_set_for_drs): New.
3479         (build_base_object_set_for_drs): New.
3480         (build_scop_drs): Add build_base_obj_set_for_drs.
3481         * graphite-sese-to-poly.h: Added #define for alias set number index and
3482         base object set index.
3483         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
3484         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
3485
3486 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
3487
3488         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3489         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3490
3491 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3492
3493         * graphite-sese-to-poly.c (struct irp_data): Removed.
3494         (idx_record_params): Removed.
3495         (find_params_in_bb): Scan for parameters the access functions; don't
3496         parse the tree representation.
3497
3498 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
3501         passes at -O1 and below.
3502
3503 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
3506         tree-scalar-evolution.h, and then tree-data-ref.h.
3507         * graphite-clast-to-gimple.c: Same.
3508         * graphite-dependences.c: Same.
3509         * graphite-interchange.c: Same.
3510         * graphite-poly.c: Same.
3511         * graphite-scop-detection.c: Same.
3512         * graphite-sese-to-poly.c: Same.
3513         * graphite.c: Same.
3514         * lambda-code.c: Same.
3515         * matrix-reorg.c: Same.
3516         * tree-data-ref.c: Same.
3517         * tree-if-conv.c: Same.
3518         * tree-loop-distribu: Same.: Same.
3519         * tree-loop-linear.c: Same.
3520         * tree-parloops.c: Same.
3521         * tree-predcom.c: Same.
3522         * tree-vect-patterns.c: Same.
3523
3524 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         Partially revert the previous patch, except the following.
3527         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
3528         as parameters the operands of the not expression.
3529
3530 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3531
3532         * tree-scalar-evolution.c (instantiate_scev_assign): New.
3533         Do not call analyze_scalar_evolution on assignments.
3534         (instantiate_scev_phi): Call analyze_scalar_evolution.
3535         (instantiate_scev_name): Call instantiate_scev_assign and
3536         instantiate_scev_phi.
3537         (instantiate_scev_not): Adapted to pass as parameters the operands
3538         of the not expression.
3539
3540 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
3543         to pass as parameters the operands of the binary expression.
3544
3545 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3546
3547         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
3548         instantiate_scev_not.  Handle NEGATE_EXPR.
3549         (instantiate_scev_r): Handle NEGATE_EXPR.
3550
3551 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3552
3553         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
3554         instantiate_scev_r.
3555         (instantiate_scev_r): Move code in instantiate_scev_2
3556         and instantiate_scev_1.
3557
3558 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * tree-scalar-evolution.c (instantiate_scev_3): New.
3561         (instantiate_scev_1): Move code in instantiate_scev_3.
3562
3563 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3564
3565         * tree-scalar-evolution.c (instantiate_scev_poly): New.
3566         (instantiate_scev_1): Move code in instantiate_scev_poly.
3567
3568 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3569
3570         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
3571         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
3572
3573 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * tree-scalar-evolution.c (instantiate_scev_convert): New.
3576         (instantiate_scev_1): Move code in instantiate_scev_convert.
3577
3578 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         * tree-scalar-evolution.c (instantiate_scev_binary): New.
3581         (instantiate_scev_1): Move code in instantiate_scev_binary.
3582
3583 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * tree-scalar-evolution.c (instantiate_scev_name): New.
3586         (instantiate_scev_1): Move code in instantiate_scev_name.
3587
3588 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
3589
3590         * Merge from mainline (150992:151171).
3591
3592 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3593
3594         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
3595
3596 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3597
3598         * graphite-dependences.c (graphite_legal_transform_bb): Call
3599         pbb_remove_duplicate_pdrs.
3600         * graphite-poly.c (can_collapse_pdr): Removed.
3601         (pdr_find_duplicate): Removed.
3602         (can_collapse_pdrs): New.
3603         (pbb_remove_duplicate_pdrs): New.
3604         (new_poly_dr): Do not look for duplicates.
3605         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
3606         (PBB_PDR_DUPLICATES_REMOVED): New.
3607         (pbb_remove_duplicate_pdrs): Declared.
3608
3609 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3610
3611         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
3612         the strides by multiplying by PDR_NB_REFS.
3613         * graphite-poly.c (can_collapse_pdr): New.
3614         (pdr_find_duplicate): New.
3615         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
3616         Initialize PDR_NB_REFS.
3617         * graphite-poly.h (struct poly_dr): Add field nb_refs.
3618         (PDR_NB_REFS): New.
3619         (new_poly_dr): Number of subscripts is a graphite_dim_t.
3620
3621 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         Revert one of the previous commits:
3624         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3625         the computation of symmetric data dependence relations.
3626         (dependency_between_pbbs_p): Same.
3627
3628 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3629
3630         PR middle-end/40965
3631         * graphite-poly.c (apply_poly_transforms): Remove legality test before
3632         any transform.
3633
3634 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         * graphite-dependences.c (pddr_original_scattering): Return NULL
3637         for read-read dependence relations.
3638         * graphite-poly.h (enum poly_dr_type): Fix comment.
3639         (pdr_read_p): New.
3640         (pdr_write_p): New.
3641         (pdr_may_write_p): New.
3642
3643 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3644
3645         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3646         (struct poly_dr): Same.
3647         (new_poly_dr): Same.
3648         * graphite-poly.c (new_poly_dr): Same.
3649
3650 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3651             Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3654         pbb_strip_mine_time_depth.  Changed the implementation so that
3655         transformation is expressed as a transformation on
3656         time (scatttering) dimensions.  Also, ensures that the 2d+1
3657         scheduling format is preserved.
3658         (pbb_strip_mine_profitable_p): Profitability is based on the
3659         iteration number of a given time (scattering) dimension,
3660         and not on a original loop depth dimension.
3661         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3662         (pbb_do_strip_mine): Call psct_dynamic_dim.
3663         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3664         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3665         (pbb_nb_dynamic_scattering_transform): New.
3666         (psct_dynamic_dim): New.
3667
3668 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3669
3670         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3671         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3672         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3673         * graphite-interchange.c (build_linearized_memory_access): Same.
3674         (memory_stride_in_loop): Same.
3675
3676 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3677
3678         * graphite-dependences.c (pddr_original_scattering): New.
3679         (graphite_legal_transform_dr): Call pddr_original_scattering.
3680         (dot_deps_1): New.
3681         (dot_deps): New.
3682         * graphite-dependences.h (dot_deps): Declared.
3683         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3684         (print_pdr): Print PDR_ID.
3685         * graphite-poly.h (struct poly_dr): Add field id.
3686         (PDR_ID): New.
3687         (pbb_index): New.
3688         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3689
3690 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3691
3692         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3693         not delete the original dependence relation.
3694
3695 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3696
3697         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3698         the computation of symmetric data dependence relations.
3699         (dependency_between_pbbs_p): Same.
3700
3701 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3704         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3705         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3706         (free_poly_ddr): New.
3707         (pddr_is_empty): New.
3708         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3709         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3710         Remove fprintfs.
3711         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3712         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3713         * graphite-dependences.h (enum poly_dependence_kind): New.
3714         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3715         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3716         (PDRP_SINK): Renamed PDDR_SINK.
3717         (PDRP_DDP): Renamed PDDR_DDP.
3718         (PDDR_KIND): New.
3719         (free_poly_ddr): Declared.
3720         * graphite-poly.c (new_scop): Use the new hash function names.
3721         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3722         into original_pddrs.
3723         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3724
3725 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3726
3727         * Merge from mainline (150764:150992).
3728
3729 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3732         bounds with LT_EXPR to make niter analysis more precise on code
3733         generated by Graphite.
3734
3735 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3736
3737         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3738         (graphite_legal_transform_bb): Same.
3739         (poly_drs_may_alias_p): Same.
3740
3741 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         PR middle-end/40981
3744         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3745         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3746
3747 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3748
3749         * graphite-poly.c (print_pbb): Print PBB index.
3750
3751 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3752
3753         * Merge from mainline (r150672:150764).
3754
3755 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3756
3757         * graphite-interchange.c (ppl_max_for_le): Moved...
3758         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3759         * graphite-ppl.c (ppl_max_for_le): ... here.
3760         * graphite-ppl.h (ppl_max_for_le): Declared.
3761
3762 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3763
3764         * Merge from mainline (r150372:150672).
3765
3766 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3767
3768         PR middle-end/40980
3769         * sese.c (convert_for_phi_arg): New.
3770         (add_guard_exit_phis): Use convert_for_phi_arg.
3771
3772         * gfortran.dg/graphite/id-17.f: New.
3773
3774 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3775
3776         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3777         unknown subscript upper bounds.
3778
3779         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3780
3781 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3782             Pranav Garg  <pranav.garg2107@gmail.com>
3783
3784         * graphite-interchange.c (gather_access_strides): Removed.
3785         (ppl_max_for_le): New.
3786         (build_linearized_memory_access): New.
3787         (memory_stride_in_loop): New.
3788         (pbb_interchange_profitable_p): Reimplemented.
3789         * graphite-ppl.h (ppl_new_id_map): New.
3790         (ppl_interchange): New.
3791
3792         * gcc.dg/graphite/interchange-6.c: XFAILed.
3793
3794 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * graphite-interchange.c (compute_subscript): Removed.
3797         (compute_array_size_cstr): Removed.
3798         (compute_array_size_poly): Removed.
3799         (compute_array_size): Removed.
3800         (gather_access_strides_poly): Removed.
3801         (gather_access_strides): Empty.
3802
3803 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3804
3805         * graphite-dependences.c (dependence_polyhedron_1): Replace
3806         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3807         (graphite_legal_transform_dr): Same.
3808         (graphite_carried_dependence_level_k): Same.
3809         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3810         Initialize PDR_NB_SUBSCRIPTS.
3811         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3812         PDR_NB_SUBSCRIPTS.
3813         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3814         (PDR_NB_SUBSCRIPTS): New.
3815         (pdr_nb_subscripts): Removed.
3816         (pdr_dim): Simplified.
3817         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3818         with PDR_NB_SUBSCRIPTS.
3819
3820 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * graphite-interchange.c (compute_array_size): Remove use of
3823         PDR_DATA_CONTAINER.
3824         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3825         Do not initialize PDR_DATA_CONTAINER.
3826         (print_pdr): Do not print PDR_DATA_CONTAINER.
3827         * graphite-poly.h (struct poly_dr): Remove data_container field.
3828         (PDR_DATA_CONTAINER): Removed.
3829         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3830         PDR_DATA_CONTAINER.
3831         (build_poly_dr): Same.
3832
3833 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * gcc.dg/graphite/interchange-9.c: New.
3836
3837 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3838             Sebastian Pop  <sebastian.pop@amd.com>
3839
3840         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3841         copy of the dependence polyhedron.  Free the temporary objects.
3842         (graphite_carried_dependence_level_k): Free unused objects before
3843         returning.
3844
3845         * gcc.dg/graphite/interchange-1.c: XFAILed.
3846         * gcc.dg/graphite/interchange-2.c: XFAILed.
3847         * gcc.dg/graphite/interchange-3.c: XFAILed.
3848         * gcc.dg/graphite/interchange-4.c: XFAILed.
3849         * gcc.dg/graphite/interchange-7.c: XFAILed.
3850
3851 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3852
3853         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3854         Early return without analyzing the data dependences if no
3855         transform has been done.  Call restore_scattering if the transform
3856         is not legal.
3857         (graphite-interchange.c): Same.
3858         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3859         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3860         (apply_poly_transforms): Do not gcc_assert that
3861         the transform is legal.
3862         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3863         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3864         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3865         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3866         * graphite-poly.h (struct poly_scattering): New.
3867         (struct poly_bb): Add original, transformed, and saved fields.
3868         Remove transformed_scattering, original_scattering, nb_local_variables,
3869         and nb_scattering_transform fields.
3870         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3871         (poly_scattering_new): New.
3872         (poly_scattering_free): New.
3873         (poly_scattering_copy): New.
3874         (store_scattering_pbb): New.
3875         (store_scattering): New.
3876         (restore_scattering_pbb): New.
3877         (restore_scattering): New.
3878         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3879         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3880
3881 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3882
3883         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3884         (print_scop): Same.
3885
3886 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3887
3888         * Makefile.in (graphite.o): Depends on PREDICT_H.
3889         * graphite.c: Include predict.h.
3890         (graphite_finalize): Call tree_estimate_probability.
3891         * predict.c (predict_loops): Do not call scev_initialize and
3892         scev_finalize.
3893         (tree_estimate_probability_bb): New.
3894         (tree_estimate_probability): Do not initialize loops: move that
3895         code to the driver.  Call tree_estimate_probability_bb.
3896         (tree_estimate_probability_driver): New.
3897         (pass_profile): Use tree_estimate_probability_driver.
3898         * predict.h (tree_estimate_probability): Declared.
3899
3900 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3901
3902         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3903         * graphite-dependences.c (graphite_legal_transform): Add time to
3904         TV_GRAPHITE_DATA_DEPS.
3905         (dependency_between_pbbs_p): Same.
3906         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3907
3908 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * Merge from mainline (r149952:150372).
3911
3912 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3915         * graphite-blocking.c: Same.
3916         * graphite-clast-to-gimple.c: Same.
3917         * graphite-dependences.c: Same.
3918         * graphite-poly.c: Same.
3919         * graphite-poly.h: Same.
3920         * graphite-ppl.c: Same.
3921         * graphite-scop-detection.c: Same.
3922         * graphite-sese-to-poly.c: Same.
3923         * graphite.c: Same.
3924
3925 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3926
3927         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3928         (remove_simple_copy_phi): New.
3929         (remove_invariant_phi): New.
3930         (simple_copy_phi_p): New.
3931         (reduction_phi_p): New.
3932         (gsi_for_ssa_name_def): New.
3933         (insert_out_of_ssa_copy): New.
3934         (insert_out_of_ssa_copy_on_edge): New.
3935         (create_zero_dim_array): New.
3936         (scalar_close_phi_node_p): New.
3937         (rewrite_close_phi_out_of_ssa): New.
3938         (rewrite_phi_out_of_ssa): New.
3939         (rewrite_reductions_out_of_ssa): New.
3940         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3941
3942         * gcc.dg/graphite/id-11.c: New.
3943         * gcc.dg/graphite/id-15.c: New.
3944         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3945         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3946         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3947         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3948         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3949         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3950         * gfortran.dg/graphite/id-13.f: New.
3951         * gfortran.dg/graphite/id-5.f: New.
3952
3953 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3954
3955         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3956         check that nb_reductions_in_loop is zero.
3957         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3958         reduction phi nodes.
3959         (nb_reductions_in_loop): Removed.
3960         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3961         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3962         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3963         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3964         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3965
3966 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3969         statements that have an empty iteration domain.
3970         * gfortran.dg/graphite/id-16.f: New.
3971
3972 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3973
3974         * tree-scalar-evolution.c (instantiate_scev_1): Return
3975         chrec_dont_know when the result is not above instantiate_below.
3976         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3977         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3978         the tree has a known scalar evolution.
3979         * gfortran.dg/graphite/id-14.f: New.
3980         * gfortran.dg/graphite/id-15.f: New.
3981
3982 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3983
3984         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3985         insert_gsi.
3986         (rename_variables): Keep inserting renames after the ones already
3987         inserted.
3988
3989 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3990
3991         * graphite-sese-to-poly.c (compare_bb_depths): New.
3992         (graphite_sort_dominated_info): New.
3993         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3994         (build_scop_scattering): Fix comment.
3995
3996 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3997
3998         * graphite.c (graphite_finalize): Call print_loops instead of
3999         dump_function_to_file.
4000         * gcc.dg/graphite/graphite.exp: Fix formatting.
4001         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
4002         loops generated in the graphite output file.
4003         * gcc.dg/graphite/pr35356-2.c: New.
4004         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
4005         * gfortran.dg/graphite/id-12.f: New.
4006
4007 2009-07-24  Li Feng  <nemokingdom@gmail.com>
4008
4009         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
4010         Remove 2 XFAIL.
4011
4012 2009-07-24  Li Feng  <nemokingdom@gmail.com>
4013             Tobias Grosser  <grosser@fim.uni-passau.de>
4014
4015         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
4016         alias set number build alias in ACCESSES polyhedron.
4017         (build_alias_set_for_drs): New.
4018         (build_pbb_drs): Added build_alias_set_for_drs.
4019         * graphite-dependences.c (poly_drs_may_alias_p): New.
4020         (graphite_carried_dependence_level_k): Check alias information
4021         before building polyhedron.
4022
4023 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4024
4025         * Makefile.in (lambda-code.o): Fix formatting.
4026
4027 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4028
4029         * Merge from mainline (r149350-149952)
4030
4031 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4032
4033         * graphite-poly.c (apply_poly_transforms): Move strip_mine
4034         before interchange to prepare for loop blocking.
4035
4036 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4037
4038         * graphite-poly.c (apply_poly_transforms): Add checks after every
4039         transformation.
4040         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
4041         done in apply_poly_transforms.
4042
4043 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
4044
4045         * graphite-dependences.c (build_lexicographically_gt_constraint):
4046         Replace RES parameter with *RES.
4047         (dependence_polyhedron_1): Pass an address of the parameter RES
4048         instead of value of RES.
4049
4050 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052         * graphite.c (graphite_finalize): Fix comment.
4053         (graphite_transform_loops): Reset scev info after code generation
4054         of each scop.
4055
4056 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4057
4058         * graphite.c (graphite_finalize): Call scev_reset.
4059
4060 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4061
4062         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
4063         GBB_CLOOG_IV_TYPES hash table twice.
4064         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
4065         (add_condition_to_domain): Clear GMP values.
4066
4067 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * graphite-dependences.c: Fix formatting.
4070         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
4071         (pbb_number_of_iterations): Free ppl_Linear_Expression.
4072         * graphite-sese-to-poly.c: Fix formatting.
4073         * graphite.c (graphite_transform_loops): Create the hash table
4074         after the early return.
4075
4076 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4077
4078         * gcc.dg/graphite/id-14.c: New.
4079         * gcc.dg/graphite/pr40157.c: New.
4080         * gfortran.dg/graphite/id-11.f: New.
4081
4082 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
4085         (build_poly_scop): Return false when there are no pbbs within
4086         loops to avoid to pass to cloog scops with no loops.
4087
4088 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
4089
4090         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
4091         useless test "i % 2".
4092         (build_pbb_scattering_polyhedrons): Fix formatting.
4093         (build_poly_dr): Same.
4094         * graphite.c (graphite_transform_loops): Restructure.
4095
4096 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
4097
4098         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
4099         reduction_list parameter.
4100         (rewrite_all_phi_nodes_with_iv): Same.
4101         (canonicalize_loop_ivs): Same.
4102         * tree-parloops.c (struct brli): Removed.
4103         (build_reduction_list_info): Removed.
4104         (build_new_reduction): New.
4105         (analyze_reduction_list): Removed.
4106         (gather_scalar_reductions): Find reductions instead of phi
4107         nodes that can't be canonicalized.
4108         (try_create_reduction_list): Remove reduction_list parameter.
4109         (gen_parallel_loop): Same.
4110         (parallelize_loops): Remove analyze_reductions variable,
4111         initialization and free.
4112         Change reduction_list htab initialization to reduction_info
4113         elements instead of ssa names.
4114         Call try_create_reduction_list and gen_parallel_loop without
4115         analyzed_reduction argument.
4116         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
4117         canonicalize_loop_ivs with one less argument.
4118         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
4119
4120 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4121
4122         * graphite-dependences.c (new_poly_dr_pair): New.
4123         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
4124         (new_poly_dr_pair): New.
4125         (eq_poly_dr_pair_p): New.
4126         (hash_poly_dr_pair_p): New.
4127         * graphite-dependences.h (struct poly_dr_pair): New.
4128         (eq_poly_dr_pair_p): Declared.
4129         (hash_poly_dr_pair_p): Declared.
4130         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
4131         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
4132         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
4133         * Makefile.in (graphite-poly.o): Add dependence on
4134         graphite-dependences.h.
4135
4136 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4137
4138         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
4139         polynomials of degree > 1 pass to Graphite.
4140         * tree-chrec.c (scev_is_linear_expression): Call
4141         evolution_function_is_affine_multivariate_p.
4142         * gfortran.dg/graphite/id-10.f90: New.
4143
4144 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4145
4146         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
4147         Instantiate scevs varying in outer loops.
4148         * gfortran.dg/graphite/id-9.f: Correct testcase.
4149
4150 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4151
4152         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
4153         redundant constraint.
4154
4155 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4156
4157         * gcc.dg/graphite/graphite.exp: Fix comments.
4158         * gfortran.dg/graphite/graphite.exp: Trigger actions
4159         based on the file names as in the C testsuite.
4160         * gfortran.dg/graphite/block-1.f90: Fix patterns.
4161         * gfortran.dg/graphite/block-2.f: Same.
4162         * gfortran.dg/graphite/block-3.f90: Same.
4163         * gfortran.dg/graphite/block-4.f90: Same.
4164         * gfortran.dg/graphite/id-1.f90: Same.
4165         * gfortran.dg/graphite/id-2.f90: Same.
4166         * gfortran.dg/graphite/id-3.f90: Same.
4167         * gfortran.dg/graphite/id-4.f90: Same.
4168         * gfortran.dg/graphite/id-6.f: Same.
4169         * gfortran.dg/graphite/id-9.f: Same.
4170         * gfortran.dg/graphite/interchange-1.f: Same.
4171         * gfortran.dg/graphite/interchange-2.f: Same.
4172         * gfortran.dg/graphite/scop-1.f: Same.
4173
4174 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
4175
4176         * sese.c (expand_scalar_variables_call): New.
4177         (expand_scalar_variables_ssa_name): Handle calls in expander.
4178
4179 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4180
4181         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
4182         Expect to see the pattern twice.
4183         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
4184         * gcc.dg/graphite/interchange-5.c: Same.
4185         * gcc.dg/graphite/interchange-6.c: Same.
4186
4187 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4188
4189         * gcc.dg/graphite/id-10.c: New.
4190         * gcc.dg/graphite/id-12.c: New.
4191         * gfortran.dg/graphite/id-7.f: New.
4192         * gfortran.dg/graphite/id-8.f: New.
4193
4194 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4195
4196         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
4197         zero.
4198
4199 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4200
4201         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
4202
4203 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
4204
4205         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
4206
4207 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4208
4209         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
4210         building PDR subscripts.
4211
4212 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4213
4214         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
4215         computation of array sizes.
4216
4217 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
4218
4219         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
4220
4221 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4222
4223         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
4224         build_pairwise_constraint, dr_equality_constraints,
4225         build_pairwise_scheduling_equality,
4226         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4227         build_lexicographically_gt_constraint, dependence_polyhedron,
4228         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
4229         Move from NNC_Polyhedron to C_Polyhedron.
4230         * graphite-interchange.c (compute_array_size_poly,
4231         gather_access_strides): Dito.
4232         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
4233         free_scop, pbb_number_of_iterations): Dito.
4234         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
4235         pbb_dim_iter_domain, struct scop): Dito.
4236         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
4237         new_Cloog_Domain_from_ppl_Polyhedron,
4238         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
4239         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
4240         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
4241         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
4242         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
4243         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
4244         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
4245         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
4246         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
4247         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
4248         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
4249         build_scop_iteration_domain, build_poly_dr): Dito
4250
4251 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4252
4253         * gcc.dg/graphite/graphite.exp: Added a rule to execute
4254         run-id-*.c files.
4255         * gcc.dg/graphite/run-id-1.c: New.
4256
4257 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4258
4259         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
4260         positivity constraint on the symbolic number of iterations.
4261
4262 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4263
4264         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
4265
4266 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4267             Tobias Grosser  <grosser@fim.uni-passau.de>
4268
4269         * graphite-clast-to-gimple.c (build_scop_context): Removed.
4270         (build_cloog_prog): Directly use SCOP_CONTEXT.
4271         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
4272         (free_scop): Free SCOP_CONTEXT.
4273         (print_scop_context): New.
4274         (print_scop): Call print_scop_context.
4275         (debug_scop_context): New.
4276         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
4277         (struct scop): Added field context.
4278         (SCOP_CONTEXT): New.
4279         * graphite-sese-to-poly.c (add_param_constraints): New.
4280         (build_scop_context): New.
4281         (build_poly_scop): Call build_scop_context.
4282
4283 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4284
4285         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
4286         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
4287         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
4288         * graphite-ppl.h: Include double-int.h and tree.h.
4289         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
4290         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
4291         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
4292         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
4293
4294 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4295
4296         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
4297         POINTER_PLUS_EXPR for pointer types.
4298         (clast_to_gcc_expression): Same.
4299
4300 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
4301
4302         * graphite-poly.c (print_scattering_function): Early return when
4303         PBB_TRANSFORMED_SCATTERING is not initialized.
4304         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
4305
4306 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
4307
4308         * tree-parloops.c (analyze_reduction_list): Remove unused variable
4309         to fix bootstrap.
4310
4311 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
4312
4313         * tree-parloops.c (analyze_reduction_list): Change return
4314         value to void.
4315         (try_create_reduction_list): Move the call to
4316         analyze_reduction_list to the beginining.
4317         Call reduction_phi with analyzed_reductions as argument
4318         instead of reduction_list.
4319
4320 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4321
4322         *  Merge from mainline (r148296:149346)
4323
4324 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4325
4326         * graphite-scop-detection.c (graphite_can_represent_init): New.
4327         (graphite_can_represent_scev): Call graphite_can_represent_init:
4328         check that the initial value does not contain multiplications of
4329         parameters.
4330         (stmt_has_simple_data_refs_p): New.
4331         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
4332         (is_simple_operand): Fix formatting.
4333         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
4334
4335 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4336
4337         * gcc.dg/graphite/id-13.c: New.
4338         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
4339         analyze_scalar_evolution, use scalar_evolution_in_region.
4340         (scan_tree_for_params_right_scev): Add extra assert.
4341         (parameter_index_in_region_1): Split from parameter_index_in_region.
4342         (idx_record_params): Use scalar_evolution_in_region.
4343         (find_params_in_bb): Same.
4344         (find_scop_parameters): Same.
4345         (build_loop_iteration_domains): Same.
4346         (create_linear_expr_from_tree): Same.
4347         * sese.c (scalar_evolution_in_region): New.
4348         * sese.h (scalar_evolution_in_region): Declared.
4349         (defined_in_sese_p): New.
4350         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
4351         static anymore.
4352         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
4353         Declared.
4354
4355 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4356
4357         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
4358         TREE_DATA_REF_H also implies SCEV_H.
4359
4360 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
4361
4362         * graphite-poly.c (print_scop_params): New.
4363         (print_scop): Call print_scop_params.
4364         (debug_scop_params): New.
4365         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
4366
4367 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4368
4369         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
4370         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
4371         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
4372         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
4373         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
4374         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
4375
4376 2009-07-07  Li Feng  <nemokingdom@gmail.com>
4377
4378         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
4379         for dependency checking part.
4380         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
4381         tests for dependency checking.
4382         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4383         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4384         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
4385         flag -fdump-tree-graphite-all for autopar testsuites.
4386
4387 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4388
4389         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
4390         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
4391         canonicalize_loop_ivs): Moved...
4392         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
4393
4394 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
4395
4396         * tree-parloops.c (try_create_reduction_list): Pass an extra
4397         argument analyzed_reductions.  Call analyze_reduction_list.
4398         (gen_parallel_loop): Do not call analyze_reduction_list.
4399         (parallelize_loops): Init and finalize analyzed_reductions.
4400
4401 2009-07-06  Li Feng  <nemokingdom@gmail.com>
4402
4403         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4404         Added flag -fno-loop-strip-mine for autopar testcase.
4405
4406 2009-07-04  Li Feng  <nemokingdom@gmail.com>
4407
4408         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
4409         transformed scattering dimension instead of unmatch orignal when
4410         calling dependence_polyhedron.
4411
4412 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4413
4414         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
4415
4416 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4417
4418         * graphite-poly.c (pbb_number_of_iterations): Check for returned
4419         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
4420
4421 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
4422
4423         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
4424         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
4425         * graphite-poly.c (pbb_number_of_iterations): New.
4426         * graphite-poly.h (pbb_number_of_iterations): Declared.
4427         (pbb_iterator_dim, pbb_parameter_dim): New.
4428
4429 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
4430
4431         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
4432         last commit on type of lower and upper bound of loops.
4433
4434 2009-06-29  Li Feng  <nemokingdom@gmail.com>
4435
4436         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
4437         graphite-dependences.h.
4438         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
4439         (mark_bb_with_pbb): New.
4440         (get_stmtfor_depth): New.
4441         (find_pbb_via_hash): New.
4442         (dependency_in_loop_p): New.
4443         (mark_loops_parallel): New.
4444         (free_aux_in_new_loops): New.
4445         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
4446         bb with it's relevant pbb. Mark newly created loops.  Remove mark
4447         innermost loop parallel without checking.
4448         (gloog): Add parameter BB_PBB_MAPPING.
4449         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
4450         (gloog): Change declaration.
4451         (mark_loop_parallel): Make extern.
4452         (free_aux_in_new_loops): Declare.
4453         (bb_pbb_map_hash): New.
4454         (eq_bb_pbb_map): New.
4455         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
4456         auto parallelization when flag_graphite_force_parallel is set.
4457         (graphite_finalize): Added free_aux_in_new_loops.
4458         * tree-parloops.c (parallelize_loops): Only generate parallel code for
4459         the innermost loop that marked parallel.  Use
4460         flag_graphite_force_parallel instead of loop->can_be_parallel.
4461         (loop_parallel_p): Move inner most checking out of function.
4462
4463 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4464
4465         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
4466         type of lower and upper bound of loops signed long int.
4467
4468 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4469
4470         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
4471         expression outside the loop.
4472
4473 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4474
4475         * gcc.dg/graphite/interchange-8.c: New.
4476
4477 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4478
4479         * gcc.dg/graphite/interchange-0.c: XFailed.
4480         * gcc.dg/graphite/interchange-5.c: XFailed.
4481         * gcc.dg/graphite/interchange-6.c: XFailed.
4482
4483 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4484
4485         * graphite-interchange.c (compute_array_size_poly): The end of the
4486         recursion should return 1.
4487
4488 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4489
4490         * graphite-interchange.c (compute_array_size_cstr): Allow the
4491         subscript multiplier to be -1.
4492         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
4493         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
4494         data_container.  Initializes PDR_DATA_CONTAINER.
4495         (print_pdr_access_layout): New.
4496         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
4497         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
4498         data_container.
4499         (PDR_DATA_CONTAINER): New.
4500         (new_poly_dr): Update declaration.
4501         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
4502         (build_poly_dr): Call pdr_add_data_dimensions.
4503
4504 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4505
4506         * graphite-poly.h (struct poly_dr): Fix comment.
4507         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
4508         (pdr_add_memory_accesses): New.
4509         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
4510
4511 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
4512
4513         * graphite-poly.c (print_pdrs, debug_pdrs): New.
4514         (print_pbb): Add call to print_pdrs.
4515         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
4516
4517 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
4518             Li Feng <nemokingdom@gmail.com>
4519
4520         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
4521         (dependency_between_pbbs_p): New.
4522         (lexicographically_gt_p): Assure !empty_p before polyhedron
4523         intersection assign.
4524         (build_lexicographically_gt_constraint): Correct lexicographically
4525         judging.
4526         * graphite-dependences.h: New.
4527         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
4528
4529 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4530
4531         * graphite-clast-to-gimple.c (print_clast_stmt): New.
4532         (gloog): Print to dump_file the generated clast.
4533         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
4534         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
4535
4536 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4537
4538         * graphite-poly.c (extend_scattering): Increment
4539         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
4540
4541 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
4542
4543         * graphite-interchange.c (compute_array_size_poly): Added exit of
4544         recursion condition.  Continue iterating even after the first equality.
4545         (compute_array_size): Same.
4546
4547 2009-06-24  Li Feng  <nemokingdom@gmail.com>
4548
4549         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
4550         -fdump-tree-final_cleanup to -fdump-tree-optimized.
4551         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
4552         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
4553         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
4554
4555 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4556
4557         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
4558         only when the use verifies is_gimple_reg.
4559
4560 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4561
4562         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
4563         Allocate scaldims after call to unify_scattering_dimensions.
4564
4565 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4566
4567         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
4568
4569 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4570             Albert Cohen  <albert.cohen@inria.fr>
4571
4572         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
4573         variables for the strip mining.
4574
4575 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4576             Pranav Garg  <pranav.garg2107@gmail.com>
4577
4578         * Makefile.in (OBJS-common): Added graphite-blocking.o.
4579         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
4580         (graphite-blocking.o): New rule.
4581         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
4582         * graphite-blocking.c: New.
4583         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
4584         flag_loop_strip_mine.
4585         (psct_scattering_dim_for_loop_depth): New.
4586         * graphite-poly.h (scop_do_strip_mine): Declared.
4587         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
4588         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
4589         flag_loop_strip_mine.
4590
4591 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4592
4593         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
4594         a GMP value and a PPL coefficient at each iteration of a loop.
4595
4596 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4597
4598         * graphite-dependences.c (dependence_polyhedron): Do not use
4599         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
4600         pbb_nb_scattering_transform.
4601         (graphite_legal_transform_dr): Same.
4602         * graphite-poly.c (extend_scattering): Same.
4603         (unify_scattering_dimensions): Same.
4604         (print_scattering_function): Same.
4605         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
4606         PBB_NB_LOCAL_VARIABLES.
4607         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
4608         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
4609         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
4610         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
4611         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
4612         (pbb_nb_scattering_transform): New.
4613         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
4614         (psco_scattering_dim): Add assert on parameters.
4615         (psct_scattering_dim): Same.
4616         (psct_scattering_dim_for_loop_depth): Declared.
4617         (psct_local_var_dim): New.
4618         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
4619         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
4620         correct layout, call pbb_nb_local_vars.
4621         (psct_add_local_variable, psct_add_scattering_dimension): New.
4622         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4623         Initialize PBB_NB_SCATTERING_TRANSFORM.
4624
4625 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4626
4627         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
4628         (set_coef): Renamed ppl_set_coef.
4629         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
4630
4631 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
4632
4633         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
4634         test a boolean against 1.
4635         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
4636         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4637         (pbb_do_interchange): Returns true when a transform has been performed.
4638         (scop_do_interchange): Same.
4639         * graphite-poly.c (apply_poly_transforms): Use the return value of
4640         scop_do_interchange.
4641         * graphite-poly.h (scop_do_interchange): Update declaration.
4642
4643 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4644
4645         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4646         after last use.
4647         * sese.c (sese_reset_aux_in_loops): New.
4648         * sese.h (sese_reset_aux_in_loops): New.
4649
4650 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4651
4652         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4653         multiplier and multiply the constant by the multiplier.
4654         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4655         (build_poly_dr): Do not use the multiplier to define the subscript.
4656
4657 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4658
4659         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4660         compiler's data reference.  Initialize PDR_CDR.
4661         (print_pdr): Call dump_data_reference.
4662         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4663         Add compiler_dr field.
4664         (PDR_BB): Renamed PDR_PBB.
4665         (PDR_CDR): New.
4666         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4667         GCC's data reference representation.
4668         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4669         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4670
4671 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * graphite-poly.c (print_scattering_function): Also print the layout.
4674         * graphite-poly.h (pbb_nb_local_vars): New.
4675
4676 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4677
4678         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4679
4680 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4681
4682         * graphite-poly.c (print_pdr, debug_pdr): New.
4683         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4684         (PDR_BASE): Removed.
4685
4686 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4687
4688         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4689         ltrans-{1..6,8}.c.
4690
4691 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4692
4693         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4694         subscript identification column.
4695         (pbb_do_interchange): Print to dump_file that some loops "will be
4696         interchanged".  Rely on that chain of characters in the testcases.
4697         * gcc.dg/graphite/interchange-0.c: New.
4698         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4699         interchange-*.c files and compile them with -floop-interchange.
4700
4701 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4702
4703         * graphite-interchange.c (interchange_profitable_p): Renamed
4704         pbb_interchange_profitable_p.
4705
4706 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4707             Harsha Jagasia  <harsha.jagasia@amd.com>
4708             Pranav Garg  <pranav.garg2107@gmail.com>
4709
4710         * graphite-interchange.c (interchange_profitable_p): Make static.
4711         (pbb_interchange_loop_depths, pbb_do_interchange,
4712         scop_do_interchange): New.
4713         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4714         for flag_loop_interchange.
4715         * graphite-poly.h (scop_do_interchange): Declared.
4716         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4717         flag_loop_interchange is used.
4718
4719 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4720
4721         * graphite-dependences.c (dependence_polyhedron): Update use of
4722         pbb_nb_scattering_dims.
4723         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4724         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4725         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4726         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4727
4728 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4729
4730         * graphite.c: Cleanup foo.
4731
4732 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4733
4734         * Merge from mainline (r143684:148293).
4735         * Disabled libpcp until it gets fixed.
4736
4737 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4738             Harsha Jagasia  <harsha.jagasia@amd.com>
4739
4740         * graphite-interchange.c: New.
4741         * Makefile.in (graphite-interchange.o): New.
4742         * graphite-poly.h (interchange_profitable_p): Declared.
4743         * graphite-ppl.h (value_max): New.
4744
4745 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4746
4747         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4748         * graphite-poly.h: Fix some comments.
4749         (pdr_dim): New.
4750         (pdr_scop): New.
4751
4752 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4753
4754         * graphite-poly.h
4755         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4756         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4757         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4758         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4759         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4760         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4761         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4762         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4763         * graphite-clast-to-gimple.c: Same.
4764         * graphite-dependences.c: Same.
4765         * graphite-poly.c: Same.
4766         * graphite-sese-to-poly.c: Same.
4767
4768 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4771         expressions for an IV rename, as returned by clast_to_gcc_expression.
4772         (copy_renames): Rename new_name to expr.
4773         * sese.c (debug_rename_elt): Same.
4774         (get_rename): Same.
4775         (set_rename): Same.
4776         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4777         the information from the rename map.
4778         (rename_variables_in_stmt): Same.
4779         (add_loop_exit_phis): Rename new_name to expr.
4780         (insert_loop_close_phis): Same.
4781         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4782         * sese.h (struct rename_map_elt): Rename new_name to expr.
4783         (new_rename_map_elt): Same.
4784
4785 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4786
4787         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4788         * sese.c (set_rename): Make it extern.
4789         * sese.h (set_rename): Declared.
4790
4791 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4792
4793         * graphite-poly.c (extend_scattering): Free values.
4794         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4795         Free iterators.
4796         (ppl_print_powerset_matrix): Same.
4797         * graphite-scop-detection.c (free_scops_1): New.
4798         (limit_scops): Call free_scops_1.
4799         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4800         (build_poly_dr): Free PPL coefficients.
4801         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4802
4803 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4804
4805         * graphite-dependences.c: New.
4806         * graphite-data-ref.c: Removed.
4807         * graphite-data-ref.h: Removed.
4808         * Makefile.in (graphite-data-ref.o): Removed.
4809         (graphite-dependences.o): Added.
4810         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4811         * graphite-poly.c: Same.
4812         Move the data dependence testing to graphite-dependences.c.
4813
4814 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4815
4816         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4817         from graphite_cannot_represent_loop. Code refactored.
4818         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4819
4820 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4821
4822         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4823         Cover all the testcases (not only the filtered ones).
4824
4825 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4826
4827         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4828         unnecessary check. Update comments. Move check for REAL_TYPE here.
4829         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4830         done in (stmt_simple_for_scop_p).
4831
4832 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4833
4834         * graphite.c (print_global_statistics): New.
4835         (print_graphite_scop_statistic): New.
4836         (print_graphite_statistics): New.
4837         (graphite_initialize, graphite_transform_loops): Print statistics.
4838         * graphite-scop-detection (build_scops): Print statistics.
4839         (print_graphite_scop_statistics): New.
4840         (print_graphite_statistics): New.
4841
4842 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4843
4844         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4845         (debug_clast_name_index): Removed.
4846         (debug_clast_name_indexes_1): Removed.
4847         (debug_clast_name_indexes): Removed.
4848         (clast_name_index_elt_info): Removed.
4849         (eq_clast_name_indexes): Removed.
4850         (clast_name_to_index): Removed.
4851         (new_clast_name_index): Removed.
4852         (save_clast_name_index): Removed.
4853         (save_var_name): Moved...
4854         (init_sese_params_index): Removed.
4855         (clast_name_to_gcc): Remove use of name_tree.
4856         (initialize_cloog_names): Same.
4857         (gloog): Do not call init_sese_params_index.
4858         * graphite-sese-to-poly.c (save_var_name): ...here.
4859         (parameter_index_in_region): New.
4860         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4861         (parameter_index_in_region): Removed.
4862         (is_parameter): Remove use of name_tree.
4863         * sese.h (struct name_tree): Removed.
4864         (struct sese): Remove use of name_tree.  New field params_names.
4865         (SESE_PARAMS_NAMES): New.
4866         (SESE_PARAMS): Remove duplicate.
4867         (parameter_index_in_region): Removed.
4868         (sese_nb_params): Remove use of name_tree.
4869         (struct clast_name_index): New.
4870         (new_clast_name_index): New.
4871         (clast_name_to_index): New.
4872         (save_clast_name_index): New.
4873         (debug_clast_name_index): New.
4874         (debug_clast_name_indexes_1): New.
4875         (debug_clast_name_indexes): New.
4876         (clast_name_index_elt_info): New.
4877         (eq_clast_name_indexes): New.
4878
4879 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4880
4881         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4882         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4883         (graphite_loop_normal_form): Do not pass region.  Do not
4884         initialize SESE_OLDIVS.
4885         (build_graphite_loop_normal_form): Update call to
4886         graphite_loop_normal_form.
4887         * sese.c (debug_oldivs): Removed.
4888         (new_sese): Do not initialize SESE_OLDIVS.
4889         (free_sese): Do not free SESE_OLDIVS.
4890         (oldiv_for_loop): Removed.
4891         * sese.h (struct sese): Remove old_ivs.
4892         (SESE_OLDIVS): Removed.
4893         (oldiv_for_loop): Removed.
4894
4895 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4896
4897         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4898         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4899         replaced by a call to newivs_to_depth_to_newiv.
4900         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4901         (clast_to_gcc_expression_red): Same.
4902         (gcc_type_for_clast_expr): Same.
4903         (gcc_type_for_clast_eq): Same.
4904         (graphite_translate_clast_equation): Same.
4905         (graphite_create_guard_cond_expr): Same.
4906         (graphite_create_new_guard): Same.
4907         (graphite_create_new_loop): Same.
4908         (build_iv_mapping): Same.
4909         (translate_clast): Same.
4910         (gloog): Same.
4911         (loop_iv_stack_patch_for_consts): Removed.  *
4912         sese.c (iv_stack_entry_is_constant): Removed.
4913         (iv_stack_entry_is_iv): Removed.
4914         (loop_iv_stack_push_iv): Removed.
4915         (loop_iv_stack_insert_constant): Removed.
4916         (loop_iv_stack_pop): Removed.
4917         (loop_iv_stack_get_iv): Removed.
4918         (loop_iv_stack_get_iv_from_name): Removed.
4919         (debug_loop_iv_stack): Removed.
4920         (free_loop_iv_stack): Removed.
4921         (loop_iv_stack_remove_constants): Removed.  *
4922         sese.h (iv_stack_entry_kind): Removed.
4923         (iv_stack_entry_data_union): Removed.
4924         (iv_stack_entry_struct): Removed.
4925         (iv_stack_entry_p): Removed.
4926         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4927         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4928         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4929         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4930         (gbb_loop_at_index): Fix indenting.
4931         (gbb_loop_index): Removed.
4932
4933 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4934
4935         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4936         Call clast_name_to_index.
4937
4938 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4939
4940         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4941         do not pass params.  Get params from SESE_PARAMS.
4942         (clast_to_gcc_expression): Same.
4943         (clast_to_gcc_expression_red): Same.
4944         (gcc_type_for_clast_eq): Same.
4945         (graphite_translate_clast_equation): Same.
4946         (graphite_create_new_loop): Same.
4947         * sese.c (rename_variables_in_stmt): Fix comment.
4948
4949 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4950
4951         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4952         newivs_index.
4953         Call save_clast_name_index.
4954         (translate_clast): Pass newivs_index.
4955         (gloog): Create and free newivs_index.
4956
4957 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4958
4959         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4960         (clast_name_index_p): New type.
4961         (debug_clast_name_index): New.
4962         (debug_clast_name_indexes_1): New.
4963         (debug_clast_name_indexes): New.
4964         (clast_name_index_elt_info): New.
4965         (eq_clast_name_indexes): New.
4966         (clast_name_to_index): New.
4967         (new_clast_name_index): New.
4968         (save_clast_name_index): New.
4969         (init_sese_params_index): New.
4970         (gloog): Call init_sese_params_index.
4971         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4972         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4973         (free_sese): Free SESE_PARAMS_INDEX.
4974         * sese.h (struct sese): Add params_index.
4975         (SESE_PARAMS_INDEX): New.
4976
4977 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4978
4979         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4980         (graphite_create_new_loop): Pass the newivs vector.  Push the
4981         newly created IV to newivs.
4982         (translate_clast): Pass the newivs vector.
4983         (gloog): Create and destroy the newivs vector.
4984
4985 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4986
4987         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4988         (graphite_loop_normal_form): Initialize loop->aux with the unique
4989         IV that has been created.
4990
4991 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4992
4993         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4994         scev with parameters in the base part. They where forbidden
4995         exidently.
4996
4997 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4998
4999         * gcc.dg/graphite/graphite.exp: Set different default
5000         compile options by file names.
5001         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
5002         * gcc.dg/graphite/id-{1-9}.c: Ditto.
5003         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
5004         * gcc.dg/graphite/scop-matmult.c: Ditto.
5005
5006 2009-05-08  Li Feng <nemokingdom@gmail.com>
5007
5008         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
5009         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
5010         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
5011         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
5012
5013 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5014
5015         * graphite-scop-detection (build_scops_1): Fix little bug introduced
5016         by final cleanup.
5017
5018 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5019
5020         * graphite-scop-detection.c (graphite_can_represent_scev): Only
5021         allow integer constant strides.
5022         (graphite_can_represent_expr): Depend on outermost_loop.
5023         (stmt_simple_memref_p, graphite_cannot_represent_loop,
5024         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
5025         build_scops_1): Same.
5026         (scopdet_basic_block_info): Same and insert layered SCoP
5027         detection.
5028         (try_generate_gimple_bb): Cleanup.
5029         (build_scops): Enable data references.
5030
5031         * gcc.dg/graphite/id-5.c: New.
5032         * gcc.dg/graphite/id-9.c: New.
5033         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
5034         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
5035
5036 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5037
5038         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
5039         that we have not yet built for this SCoP.
5040
5041 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5042
5043         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
5044         for complex numbers.
5045
5046 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5047
5048         * graphite-ppl.c: Fix build if cloog is not available.
5049
5050 2009-05-04  Li Feng  <nemokingdom@gmail.com>
5051
5052         * tree-parloops.c (loop_parallel_p): Remove construction of
5053         NITER and REDUCTION_LIST.
5054         (try_get_loop_niter): New.
5055         (try_create_reduction_list): New.
5056         (parallelize_loops): Bypass the failed checkings in autopar
5057         when can_be_parallel in loop structure is set to true.
5058
5059 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5060
5061         * gcc.dg/graphite/id-6.c: Update testcase.
5062         * gcc.dg/graphite/scop-3.c: Dito.
5063
5064 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5065
5066         * graphite-scop-detection.c (stmt_simple_for_scop_p):
5067         Enable EQ_EXPR and NE_EXPR again.
5068
5069 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5070
5071         * graphite-scop-detection.c (graphite_can_represent_scev):
5072         Add check if scev is affine multivariate.
5073         (harmful_stmt_in_bb): Check if we can represent the conditions.
5074         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
5075         harmful_stmt_in_bb.
5076         * gcc.dg/graphite/id-7.c: New.
5077
5078 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5079
5080         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
5081         Check all bbs in region, not only the bbs that are represented in
5082         GRAPHITE.
5083         (build_poly_scop): Add newline.
5084         * gcc.dg/graphite/id-8.c: New.
5085
5086 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5087
5088         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
5089         when loop initialize.
5090         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
5091         * common.opt: Declare flag_graphite_force_parallel.
5092         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
5093         loop parallel.
5094         * graphite-poly.c (apply_poly_transforms): Introduce
5095         flag_graphite_force_parallel.
5096         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
5097         * toplev.c (process_options): ditto and replace a not correctly
5098         encoded space.
5099
5100 2009-04-30  Li Feng  <nemokingdom@gmail.com>
5101
5102         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
5103         Change the call of gbb_loop_at_index and/or gbb_loop_index due
5104         to the redefinition.
5105         (compute_cloog_iv_types_1): ditto.
5106         (build_iv_mapping): ditto.
5107         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
5108         initialization.
5109         (free_gimple_bb): Removed GBB_LOOPS related free part.
5110         (build_bb_loops): Removed.
5111         * sese.h (struct gimple_bb): Removed loops.
5112         (GBB_LOOPS): Removed.
5113         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
5114         (gbb_loop_index): ditto.
5115
5116 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5117
5118         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
5119         allow non constant strides.
5120         * gcc.dg/graphite/scop-20.c: New.
5121
5122 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5123
5124         * graphite-scop-detection.c (dot_all_scops): Fix system call
5125         return value warning.
5126         (dot_scop): Same.
5127
5128 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5129
5130         * gcc.dg/graphite/id-6.c: Fix pattern.
5131         * gcc.dg/graphite/scop-3.c: Same.
5132
5133 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5134
5135         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
5136         build_pairwise_constraint, dr_equality_constraints,
5137         build_pairwise_scheduling_equality,
5138         build_pairwise_scheduling_inequality, lexicographically_gt_p,
5139         build_lexicographically_gt_constraint, dependence_polyhedron,
5140         graphite_legal_transform_dr, graphite_legal_transform_bb,
5141         graphite_legal_transform): New.
5142         * graphite-poly.h (graphite_legal_transform): Declared.
5143         * graphite-sese-to-poly.c (build_poly_scop): Call to
5144         graphite_legal_transform is disabled for the moment.
5145
5146 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5147
5148         * graphite-poly.h (pbb_nb_scattering_dims): New.
5149         (pbb_nb_scattering): Use it.
5150
5151 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5152
5153         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
5154         Pointset_Powerset version of ppl_insert_dimensions.
5155         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
5156
5157 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5158
5159         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
5160
5161 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5162
5163         * graphite-poly.h: Fix comment.
5164
5165 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
5166
5167         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
5168
5169 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5170
5171         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
5172         statements.
5173
5174 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
5175
5176         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
5177         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
5178         conditions.
5179
5180 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
5181
5182         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
5183         handle EQ_EXPR and NE_EXPR.
5184
5185 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
5186
5187         * graphite-poly.h (poly_dr): Fix comment.
5188
5189 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5190             Tobias Grosser  <grosser@fim.uni-passau.de>
5191
5192         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
5193         with a zero dimension polyhedron.
5194         (find_scop_parameters): Move the call to scop_set_nb_params here.
5195         (build_loop_iteration_domains): Store in loop->aux the iteration
5196         domain polyhedron.
5197         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
5198         by any loop in scop.
5199         (build_poly_scop): Do not call scop_set_nb_params.
5200
5201 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
5202             Tobias Grosser  <grosser@fim.uni-passau.de>
5203
5204         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
5205         add_condition_to_domain not GT_EXPR.
5206
5207 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5208
5209         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
5210         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
5211         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
5212         upper_bound_assign to calculate unions.
5213         * gcc.dg/graphite/id-6.c: New.
5214
5215 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5216
5217         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
5218         handle abnormal edges.
5219
5220 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5221
5222         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
5223         (free_poly_bb): Also free poly_drs.
5224         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
5225         (poly_dr): Polyhedron to Pointset_Powerset.
5226         (pdr_accessp_nb_subscripts): Same.
5227         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
5228         poly_drs.
5229
5230 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5231
5232         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
5233         names into more meaningful names.
5234
5235 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5236
5237         * gfortran.dg/graphite/interchange-1.c: New.
5238         * gfortran.dg/graphite/interchange-2.c: New.
5239
5240 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5241
5242         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
5243         the reduction_list.
5244         * tree-parloops.c (rewrite_phi_with_iv): New.
5245         (rewrite_all_phi_nodes_with_iv): New.
5246         (canonicalize_loop_ivs): Call them.
5247
5248 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5249
5250         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
5251         graphite_find_data_references_in_stmt.
5252         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5253         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5254
5255 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5256
5257         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
5258
5259 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5260
5261         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
5262         instead of bb_in_region.
5263         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
5264         (build_sese_conditions): Use flag_bb_in_sese.
5265         * sese.c (register_bb_in_sese): Removed.
5266         (new_sese): Remove initialization of SESE_REGION_BBS.
5267         (free_sese): Do not free SESE_REGION_BBS.
5268         * sese.h (struct sese): Remove field region_basic_blocks.
5269         (SESE_REGION_BBS): Removed.
5270         (bb_in_sese_p): Implement in function of bb_in_region.
5271
5272 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5273
5274         * graphite-scop-detection.c (limit_scops): Deal only with single exit
5275         loops.
5276
5277 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5278
5279         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
5280         and EQ_EXPR.
5281         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
5282         (add_condition_to_domain): New.
5283         (add_condition_to_pbb): New.
5284         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
5285         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
5286
5287 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5288
5289         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
5290         ppl_Pointset_Powerset.
5291         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
5292         * graphite-poly.h (poly_bb): poly_bb.domain Same.
5293         (pbb_nb_loops): Same.
5294         * graphite-sese-to-poly.c (build_loop_iteration_domains,
5295         add_conditions_to_domain): Same.
5296         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5297         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
5298         ppl_const_Polyhedron_t.
5299         (ppl_print_powerset_matrix): New.
5300         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
5301         ppl_print_powerset_matrix): New.
5302         (ppl_print_polyhedron_matrix): Updated.
5303
5304 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5305
5306         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
5307
5308 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5309
5310         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
5311         (print_iteration_domains, debug_iteration_domain,
5312         debug_iteration_domains): New.
5313         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
5314         debug_iteration_domains): Declared.
5315         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
5316         indenting.
5317
5318 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5319             Sebastian Pop  <sebastian.pop@amd.com>
5320
5321         * graphite-poly.h (print_iteration_domain): New.
5322         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
5323         (build_sese_conditions_1, build_sese_conditions_after,
5324         build_sese_conditions_before): New.
5325         (build_sese_conditions): Rewritten.
5326
5327 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5328             Tobias Grosser  <grosser@fim.uni-passau.de>
5329
5330         Cleanup of code generation liveouts.
5331         * graphite-clast-to-gimple.c (translate_clast): Use a single
5332         rename_map instead of one per translated statement.
5333         Do not use SESE_LIVEOUT_RENAMES.
5334         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
5335         (gloog): Do not use SESE_LIVEOUT_RENAMES.
5336         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
5337         phi node of a reduction: when a loop contains a reduction used outside
5338         the loop, there should be a scalar close phi node on the exit block.
5339         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
5340         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
5341         (free_sese): Do not free them.
5342         (sese_build_liveouts_use): Do not use them.
5343         (sese_build_liveouts_bb): Same.
5344         (sese_build_liveouts): Same.
5345         (sese_insert_phis_for_liveouts): Same.
5346         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
5347         (defined_in_loop_p): New.
5348         (alive_after_loop): New.
5349         (close_phi_not_yet_inserted_p): New.
5350         (struct alep, alep_p): New.
5351         (add_loop_exit_phis): Remove from the rename_map all the names defined
5352         in the code generated loop.
5353         (insert_loop_close_phis): Traverse the rename_map passed to it.
5354         Don't use SESE_LIVEOUT_RENAMES.
5355         (default_liveout_before_guard): Renamed default_before_guard.
5356         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
5357         (graphite_copy_stmts_from_block): Do not directly call set_rename.
5358         (register_sese_liveout_renames): Removed.
5359         (copy_bb_and_scalar_dependences): Do not call it.
5360         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
5361         reduction_list.
5362         (SESE_LIVEOUT): Removed.
5363         (SESE_LIVEOUT_RENAMES): Removed.
5364         (SESE_REDUCTION_LIST): Removed.
5365         (sese_build_liveouts): Removed.
5366         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
5367         (insert_loop_close_phis): Pass a htab_t instead of a sese.
5368         (insert_guard_phis): Same.
5369         (rename_map_elt): Declare a VEC of them.
5370         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5371         trees not pointers to trees.
5372
5373         Rewrite in canonical close SSA form:
5374         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
5375         (limit_scops): Close the scop after the block containing the close phi
5376         nodes.
5377         (canonicalize_loop_closed_ssa): New.
5378         (canonicalize_loop_closed_ssa_form): New.
5379         (build_scops): Call canonicalize_loop_closed_ssa_form.
5380
5381         * graphite-sese-to-poly.c: Fix typos.
5382
5383 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
5384
5385         * graphite-poly.c (print_scattering_function, print_pbb_domain):
5386         Extended.
5387         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
5388         (print_pbb): Add conditions.
5389
5390 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
5391             Sebastian Pop  <sebastian.pop@amd.com>
5392
5393         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
5394         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
5395         (build_scop_bbs_1): New.
5396         (build_scop_bbs): Rewrite.
5397         * sese.h (bb_in_region): New.
5398
5399 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5400
5401         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5402         poly_drs vector.
5403         (print_scop): Style.
5404         * graphite-poly.h (poly_bb): Add drs vector.
5405         (PBB_DRS): Add accessor.
5406         * graphite-sese-to-poly.c (build_poly_dr): New.
5407         (build_pbb_drs, build_scop_drs): New.
5408         (build_poly_scop): call build_scop_drs (Disabled at the moment).
5409
5410 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5411
5412         * tree-ssa-loop.c: Include forgotten toplev.h
5413
5414 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5415
5416         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
5417         * gcc.dg/graphite/pr37883.c: Remove -floop-*
5418         * gcc.dg/graphite/pr37928.c: Same
5419         * gcc.dg/graphite/pr38409.c: Same
5420         * gcc.dg/graphite/pr38498.c: Same
5421         * gcc.dg/graphite/pr38559.c: Same
5422         * gcc.dg/graphite/pr39335.c: Same
5423         * gcc.dg/graphite/pr39335_1.c: Same
5424         * gfortran.dg/graphite/block-2.f: Same
5425         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
5426         with -floop-*.
5427
5428 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5429
5430         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
5431         build_access_matrix, build_scop_data_accesses): Remove access function
5432         building. (We get a new version soon).
5433         (build_bb_loops, scan_tree_for_params_right_scev): Update.
5434         * sese.h (nb_loops_around_loop_in_sese): Remove.
5435         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
5436
5437 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
5438             Sebastian Pop  <sebastian.pop@amd.com>
5439
5440         * graphite-scop-detection.c (struct scopdet_info): Rename last
5441         field to exit.
5442         (scopdet_basic_block_info, build_scops_1): Don't use
5443         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
5444
5445 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
5446             Sebastian Pop  <sebastian.pop@amd.com>
5447
5448         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
5449         * sese.c (sese_build_liveouts_use): Renamed from
5450         sese_build_livein_liveouts_use. Remove liveins.
5451         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
5452         Call sese_build_liveouts_use.
5453         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
5454         Call sese_build_liveouts_bb.
5455         (new_sese, free_sese): Remove liveins.
5456         (sese_add_exit_phis_var): Deleted.
5457         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
5458         directly.
5459         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
5460
5461         * sese.h (sese): Remove num_ver and livein.
5462         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
5463
5464 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5465
5466         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
5467
5468 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5469
5470         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
5471         (build_scop_scattering): Do not use compare_prefix_loops any more.
5472         (nb_common_loops): New.
5473
5474 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5475
5476         * sese.c (get_new_name_from_old_name): Renamed get_rename.
5477         (register_old_and_new_names): Renamed set_rename.
5478
5479 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5480
5481         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
5482         of the decl from the previous commit.
5483
5484 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         * graphite-scop-detection.c (dot_scop): New.
5487         * graphite-scop-detection.h (dot_scop): Declared.
5488
5489 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5490
5491         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
5492
5493 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5494
5495         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
5496         condition at the end of the loop.
5497         * graphite.c (graphite_initialize, graphite_finalize): Print to
5498         dump_file the compiled function.
5499         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
5500         of create_empty_loop_on_edge.
5501         (translate_clast): Update the code generation of loops for the new
5502         shape of loops.
5503         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
5504
5505 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
5506
5507         Reverted the patch from 2009-03-19.
5508
5509 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
5510
5511         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
5512         poly_drs vector.
5513         (print_scop): Style.
5514         * graphite-poly.h (poly_bb): Add drs vector.
5515         (PBB_DRS): Add accessor.
5516         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
5517         (build_access_matrix_with_af, build_access_matrix,
5518         build_scop_data_accesses): Delete.
5519         (build_poly_dr): New.
5520         (build_pbb_drs, build_scop_drs): New.
5521         (build_poly_scop): call build_scop_drs.
5522
5523 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
5524
5525         * graphite-scop-detection.c (dot_all_scops_1): Close the table
5526         once per basic block.
5527
5528 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5529
5530         * graphite-scop-detection.c (graphite_can_represent_scev): New.
5531         (graphite_can_represent_expr): Renamed from loop_affine_expr
5532         and enhanced.
5533         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
5534         (graphite_cannot_represent_loop): Add scop_entry to parameters.
5535         (scopdet_basic_block_info): Actually define entry_block.
5536         (stmt_simple_memref_p): Moved here from ...
5537
5538         * tree-data-ref.c (stmt_simple_memref_p): here.
5539         * tree-data-ref.h (stmt_simple_memref_p): Removed.
5540
5541 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5542
5543         * gcc.dg/graphite/id-4.c: New.
5544
5545 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5546
5547         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5548         (register_old_and_new_names): Update the content of the map.
5549         When there was already a rename_map_elt in the map at that
5550         location, free it.
5551         (copy_bb_and_scalar_dependences): Do rename_variables after
5552         expand_scalar_variables.
5553         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5554         of the map.  When there was already a rename_map_elt in the
5555         map at that location, free it.
5556         (translate_clast): Pass the rename_map.  Do not initialize and free
5557         a rename_map per stmt_user.
5558         (gloog): Initialize and free one rename_map and pass it to
5559         translate_clast.
5560
5561 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
5562
5563         * sese.c (expand_scalar_variables_stmt,
5564         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
5565         parameter.
5566         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
5567         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
5568         the gimple_stmt_iterator of the statement to be expanded.
5569         * graphite-scop-detection.c (is_simple_operand): Do handle
5570         REALPART_EXPR.
5571
5572 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5573
5574         * graphite-scop-detection.c (is_simple_operand): Do not handle
5575         REALPART_EXPR.
5576         * gcc.dg/graphite/id-2.c: New.
5577
5578         * graphite-sese-to-poly.c (build_bb_loops,
5579         add_value_to_dim, scan_tree_for_params_right_scev,
5580         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
5581         find_params_in_bb, build_loop_iteration_domains,
5582         add_conditions_to_domain): Remove subtract.
5583
5584 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5585
5586         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
5587         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
5588         pbb_loop_at_index -> gbb_loop_at_index.
5589         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
5590         (debug_loop_vec): Delete.
5591         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
5592         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
5593         (PBB_LOOPS): Removed.
5594         (PBB_BLACK_BOX): Insert cast.
5595         (pbb_set_black_box): New setter.
5596         (pbb_loop_at_index, pbb_loop_index): Removed.
5597         (scop_set_region, scop_set_nb_params): New.
5598         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
5599         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
5600         (build_poly_scop): Use scop_set_nb_params.
5601         * sese.h (gimple_bb): Add LOOPS.
5602         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
5603
5604 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5605
5606         Revert previous commit.
5607
5608 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5609
5610         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
5611         (register_old_and_new_names): Update the content of the map.
5612         When there was already a rename_map_elt in the map at that
5613         location, free it.
5614         (copy_bb_and_scalar_dependences): Do rename_variables after
5615         expand_scalar_variables.
5616         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5617         of the map.  When there was already a rename_map_elt in the
5618         map at that location, free it.
5619         (translate_clast): Pass the rename_map.  Do not initialize and free
5620         a rename_map per stmt_user.
5621         (gloog): Initialize and free one rename_map and pass it to
5622         translate_clast.
5623
5624 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5625
5626         Remove forgotten line in revert.
5627
5628 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
5629
5630         Revert previous commit.
5631
5632 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5633
5634         * sese.c (register_old_and_new_names): Update the content
5635         of the map.  When there was already a rename_map_elt in the
5636         map at that location, free it.
5637         (copy_bb_and_scalar_dependences): Do rename_variables after
5638         expand_scalar_variables.
5639         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5640         of the map.  When there was already a rename_map_elt in the
5641         map at that location, free it.
5642         (translate_clast): Pass the rename_map.  Do not initialize and free
5643         a rename_map per stmt_user.
5644         (gloog): Initialize and free one rename_map and pass it to
5645         translate_clast.
5646
5647 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5648
5649         * graphite-clast-to-gimple.c (translate_clast): context_loop
5650         is never NULL.
5651
5652 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5653             Sebastian Pop  <sebastian.pop@amd.com>
5654
5655         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5656         of the use of ppl_Polyhedron_map_space_dimensions.
5657
5658 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5659             Sebastian Pop  <sebastian.pop@amd.com>
5660
5661         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5662         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5663         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5664         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5665         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5666         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5667         pbb_nb_params): New.
5668         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5669         nb_loops_around_pbb): Adapt return types.
5670
5671 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5672
5673         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5674         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5675         graphite-scop-detection.o, graphite-poly.o): Add
5676         more headers.
5677
5678 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5679
5680         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5681         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5682         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5683
5684 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5685
5686         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5687         * gcc.dg/graphite/pr37828.c: Same.
5688         * gcc.dg/graphite/pr37684.c: Same.
5689         * gcc.dg/graphite/block-0.c: Same.
5690         * gcc.dg/graphite/block-1.c: Same.
5691         * gcc.dg/graphite/block-2.c: Same.
5692         * gcc.dg/graphite/block-3.c: Same.
5693         * gcc.dg/graphite/block-4.c: Same.
5694         * gcc.dg/graphite/block-5.c: Same.
5695         * gcc.dg/graphite/block-6.c: Same.
5696         * gfortran.dg/graphite/pr38083.f90: Same.
5697         * gfortran.dg/graphite/block-1.f90: Same.
5698         * gfortran.dg/graphite/block-3.f90: Same.
5699         * gfortran.dg/graphite/pr37852.f90: Same.
5700         * gfortran.dg/graphite/block-4.f90: Same.
5701         * gfortran.dg/graphite/pr37980.f90: Same.
5702         * gfortran.dg/graphite/pr38953.f90: Same.
5703         * gfortran.dg/graphite/pr37857.f90: Same.
5704         * opts.c: Remove -floop-block from -O2.
5705         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5706         -floop-strip-mine are used.
5707
5708 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5709             Sebastian Pop  <sebastian.pop@amd.com>
5710
5711         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5712         dimensions.
5713         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5714         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5715         strip_mine_profitable_p, is_interchange_valid,
5716         graphite_trans_bb_block, graphite_trans_loop_block,
5717         graphite_trans_scop_block): Temporary removed.
5718         (extend_scattering, unify_scattering_dimensions): New.
5719         (print_scattering_function, graphite_read_transforms):
5720         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5721         (graphite_generate_scattering_fns): Removed.
5722         (apply_poly_transforms): Cleanup.
5723         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5724         (schedule_to_scattering): Moved.
5725         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5726         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5727         (pbb_nb_scattering): New.
5728         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5729         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5730         Removed.
5731         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5732         shift_poly.
5733         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5734         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5735         -> PBB_TRANSFORMED_SCATTERING.
5736         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5737         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5738         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5739         (check_poly_representation): Do not return bool.
5740         (graphite_transform_loops): Reformat.
5741         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5742
5743 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5744
5745         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5746         debug_pbb_domain, debug_pbb, debug_scop): New.
5747         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5748         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5749
5750 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5751
5752         PR middle-end/39335
5753         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5754         when the type precision of the induction variable should be
5755         larger than the type precision of nit.
5756         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5757         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5758         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5759
5760         * gcc.dg/graphite/pr39335_1.c: New.
5761         * gcc.dg/graphite/pr39335.c: New.
5762
5763 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5764
5765         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5766         SSA_NAMES not struct reduction_info.
5767
5768 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5769
5770         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5771
5772 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5773             Tobias Grosser  <grosser@fim.uni-passau.de>
5774
5775         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5776         (free_sese): Free SESE_REDUCTION_LIST.
5777         * sese.h (struct sese): Add field reduction_list.
5778         (SESE_REDUCTION_LIST): New.
5779         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5780         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5781
5782 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5783             Tobias Grosser  <grosser@fim.uni-passau.de>
5784
5785         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5786         of loop_p.
5787
5788 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5789             Tobias Grosser  <grosser@fim.uni-passau.de>
5790
5791         * tree-parloops.c (struct brli, build_reduction_list_info,
5792         analyze_reduction_list, gather_scalar_reductions): New.
5793         (loop_parallel_p): Build a reduction list containing only
5794         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5795         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5796         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5797         * tree-flow.h (gather_scalar_reductions): Declared.
5798
5799 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5800
5801         PR middle-end/39308
5802         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5803         number_of_iterations_exit from a gcc_assert.
5804
5805 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5806             Jan Sjodin  <jan.sjodin@amd.com>
5807
5808         * output.h (graphite_out_file, graphite_in_file): Declared.
5809         * toplev.c (graphite_out_file, graphite_in_file): New.
5810         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5811         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5812         Don't call schedule_to_scattering.
5813         * common.opt (fgraphite-write, fgraphite-read): New.
5814         * graphite-poly.c: Include output.h.
5815         (print_scattering_function, print_scattering_functions,
5816         debug_scattering_function, debug_scattering_functions,
5817         graphite_write_transforms, graphite_read_transforms,
5818         graphite_generate_scattering_fns): New.
5819         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5820         Call graphite_generate_scattering_fns, graphite_write_transforms,
5821         graphite_read_transforms.
5822         (new_poly_bb): Initialize PBB_SCATTERING.
5823         (free_poly_bb): Free PBB_SCATTERING.
5824         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5825         * graphite-poly.h (struct poly_bb): Add field scattering.
5826         (PBB_SCATTERING): New.
5827         (print_scattering_function, print_scattering_functions,
5828         debug_scattering_function, debug_scattering_functions): Declared.
5829         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5830         GMP values, not integers!
5831         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5832         ppl_read_polyhedron_matrix): New.
5833         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5834         debug_ppl_polyhedron_matrix,
5835         ppl_read_polyhedron_matrix): Declared.
5836         * Makefile.in (graphite-poly.o): Depends on output.h.
5837
5838 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5839             Tobias Grosser  <grosser@fim.uni-passau.de>
5840
5841         Revert this change:
5842         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5843         scalar evolutions in the scop_entry->loop_father.
5844
5845 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5846             Tobias Grosser  <grosser@fim.uni-passau.de>
5847
5848         * graphite.h (ref_nb_loops): Remove declaration.
5849         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5850         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5851         debug_gbb): Moved to sese.h.
5852         * sese.h: As said.
5853
5854 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5855             Tobias Grosser  <grosser@fim.uni-passau.de>
5856
5857         * graphite-data-ref.[ch]: Disable.
5858
5859 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5860             Tobias Grosser  <grosser@fim.uni-passau.de>
5861
5862         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5863         scalar evolutions in the scop_entry->loop_father.
5864
5865 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5866
5867         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5868         (graphite_cannot_represent_loop_niter): Renamed
5869         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5870         (limit_scops): build_sese_loop_nests does not return a bool.
5871         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5872         * sese.c (nb_reductions_in_loop): ... from here.
5873         (graphite_loop_normal_form): ... from here.
5874         (sese_record_loop): Does not fail, so does not return a bool.
5875         (build_sese_loop_nests): Same.
5876         * sese.h (build_sese_loop_nests): Update declaration.
5877         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5878         (build_graphite_loop_normal_form): New.
5879         (gloog): Call build_graphite_loop_normal_form.
5880         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5881         build_sese_loop_nests.
5882
5883         * gcc.dg/graphite/id-1.c: New.
5884
5885 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5886             Tobias Grosser  <grosser@fim.uni-passau.de>
5887
5888         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5889         The SCoP detection fix is sufficient.
5890
5891 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5892
5893         PR tree-optimization/39260
5894         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5895         the basic block contains a condition with a real type.
5896         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5897
5898         * gcc.dg/graphite/pr39260.c: New.
5899
5900 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5901
5902         * graphite-poly.c: Inlcude params.h.
5903         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5904         the size of a tile.
5905         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5906         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5907
5908 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5909             Tobias Grosser  <grosser@fim.uni-passau.de>
5910
5911         * graphite-scop-detection.c (dot_all_scops_1,
5912         dot_all_scops): Moved here.
5913         * graphite-scop-detection.h (dot_all_scops): Declared here.
5914         * graphite.c (graphite_initialize, graphite_finalize): New.
5915         (graphite_transform_loops): Cleaned up.
5916         * sese.c (debug_oldivs): Moved here.
5917         * graphite-poly.c (graphite_apply_transformations): Renamed
5918         apply_poly_transforms.
5919         (debug_loop_vec): Moved here.
5920         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5921         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5922         find_scop_parameters, build_scop_iteration_domain,
5923         add_conditions_to_constraints, build_scop_canonical_schedules,
5924         build_scop_data_accesses): Now static.
5925         (build_poly_scop, check_poly_representation): New.
5926
5927 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5928
5929         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5930         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5931         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5932         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5933         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5934         scan_tree_for_params, struct irp_data, dx_record_params,
5935         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5936         build_loop_iteration_domains, add_conditions_to_domain,
5937         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5938         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5939         build_sese_conditions, add_conditions_to_constraints,
5940         build_scop_iteration_domain, build_access_matrix_with_af,
5941         build_access_matrix,
5942         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5943
5944         * graphite-sese-to-poly.c: New.
5945         * graphite-sese-to-poly.h: New.
5946
5947         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5948
5949 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5950
5951         * graphite.c: Split graphite code generation to a new file.
5952         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5953         max_precision_type, clast_to_gcc_expression_red,
5954         clast_to_gcc_expression, gcc_type_for_clast_expr,
5955         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5956         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5957         graphite_create_new_guard, clast_get_body_of_loop,
5958         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5959         graphite_create_new_loop, build_iv_mapping, copy_renames,
5960         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5961         compute_cloog_iv_types, free_scattering, save_var_name,
5962         initialize_cloog_names, build_scop_context, build_cloog_prog,
5963         set_cloog_options, debug_clast_stmt, scop_to_clast,
5964         print_generated_program, debug_generated_program,
5965         gloog): Moved to graphite-clast-to-gimple.c.
5966
5967         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5968
5969         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5970         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5971         loop_iv_stack_pop, loop_iv_stack_get_iv,
5972         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5973         free_loop_iv_stack, loop_iv_stack_remove_constants,
5974         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5975         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5976         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5977         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5978         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5979         get_vdef_before_sese, sese_adjust_vphi,
5980         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5981         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5982         is_iv, expand_scalar_variables_ssa_name,
5983         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5984         expand_scalar_variables, rename_variables, remove_condition,
5985         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5986         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5987         default_liveout_before_guard, add_guard_exit_phis,
5988         insert_guard_phis, register_old_and_new_names,
5989         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5990         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5991         if_region_set_false_region, create_if_region_on_edge,
5992         move_sese_in_condition): Moved to sese.c.
5993
5994         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5995         if_region_exit, if_region_get_condition_block,
5996         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5997         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5998         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5999         ivtype_map_elt, new_ivtype_map_elt,
6000         recompute_all_dominators): Moved to sese.h.
6001
6002         * graphite-clast-to-gimple.c: New.
6003         * graphite-clast-to-gimple.h: New.
6004         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
6005         * sese.c: Modified as said above.
6006         * sese.h: Same.
6007
6008 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
6009
6010         * graphite.c: Split scop detection to a new file.
6011         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
6012         move_sd_regions, loop_affine_expr, exclude_component_ref,
6013         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
6014         graphite_cannot_represent_loop_niter, struct scopdet_info,
6015         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
6016         find_single_entry_edge, find_single_exit_edge,
6017         create_single_entry_edge, sd_region_without_exit,
6018         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
6019         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
6020         Moved to graphite-scop-detection.c.
6021
6022         * graphite-scop-detection.c: New.
6023         * graphite-scop-detection.h: New.
6024         * Makefile.in: Add new rule for graphite-scop-detection.o.
6025
6026         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
6027         tree-scalar-evolution.h.
6028         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
6029         build_sese_loop_nests): Moved here from graphite.c.
6030         (param_index): Renamed parameter_index_in_region.
6031
6032 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6033             Sebastian Pop  <sebastian.pop@amd.com>
6034
6035         * gcc.dg/graphite/block-0.c: Expected to fail now.
6036         * gcc.dg/graphite/block-1.c: Same.
6037         * gcc.dg/graphite/block-5.c: Same.
6038         * gcc.dg/graphite/block-6.c: Same.
6039
6040 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
6041             Sebastian Pop  <sebastian.pop@amd.com>
6042
6043         * graphite.h: Separate from graphite_bb_p the polyhedral
6044         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
6045         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
6046         graphite-data-ref.h.
6047         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
6048         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
6049         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
6050         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
6051         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
6052         scop_nb_params): Moved to graphite-poly.h.
6053         * graphite-data-ref.c: Same.
6054         * graphite-data-ref.h: New.
6055         * graphite.c: Same.
6056         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
6057         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
6058         is_interchange_valid, graphite_trans_bb_block,
6059         graphite_trans_loop_block, scop_max_loop_depth,
6060         graphite_trans_scop_block, graphite_apply_transformations,
6061         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
6062         graphite-poly.c.
6063         * graphite-poly.h: New.
6064         * graphite-poly.c: New.
6065         * Makefile.in (OBJS-common): Add graphite-poly.o.
6066         (graphite-poly.o): New rule.
6067         * tree-data-ref.h (struct data_reference): Remove unused scop field.
6068         (DR_SCOP): Removed.
6069
6070 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6071             Tobias Grosser  <grosser@fim.uni-passau.de>
6072
6073         * graphite.c: Replace gb -> gbb.
6074         * graphite.h: Same.
6075         * graphite-data-ref.c: Same.
6076
6077 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
6078             Tobias Grosser  <grosser@fim.uni-passau.de>
6079
6080         * Makefile.in (OBJS-commmon): Add sese.o.
6081         (sese.o): New.
6082         (graphite.o): Add sese.h.
6083         * graphite.c (bb_in_ss_p, loop_in_sese_p,
6084         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
6085         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
6086         Move to sese.
6087         (block_before_scop): Add missing return.
6088         (new_scop, free_scop): Remove SESE data structures.
6089         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
6090         find_scop_parameters, build_loop_iteration_domains,
6091         add_conditions_to_domain, register_scop_liveout_renames,
6092         copy_bb_and_scalar_dependences): Scop -> SESE.
6093
6094         (add_conditions_to_domain): SCoP -> SESE and remove check
6095         (scop_contains_non_iv_scalar_phi_nodes): New.
6096         (build_scop_conditions_1, build_scop_conditions): Remove check for
6097         non iv scalar phi nodes.
6098         (print_scop_statistics): New.
6099         (graphite_transform_loops): Cleanup.
6100
6101         * graphite.h: Move to sese & cleanup.
6102         * sese.c: New.
6103         * sese.h: New.
6104
6105 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6106             Tobias Grosser  <grosser@fim.uni-passau.de>
6107
6108         * graphite.c (build_scop_conditions_1): Conditions are only
6109         at the end of a basic block.
6110
6111 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6112             Tobias Grosser  <grosser@fim.uni-passau>
6113
6114         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
6115         field.
6116         (GBB_ALPHA): Removed.
6117
6118 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6119             Tobias Grosser  <grosser@fim.uni-passau.de>
6120
6121         * graphite-data-ref.c (graphite_test_dependence): Don't use
6122         GBB_DYNAMIC_SCHEDULE.
6123         * graphite.c (new_graphite_bb): Same.
6124         (free_graphite_bb): Same.
6125         (build_scop_dynamic_schedules): Removed.
6126         (graphite_transform_loops): Don't call it.
6127         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
6128         (GBB_DYNAMIC_SCHEDULE): Removed.
6129
6130 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6131             Tobias Grosser  <grosser@fim.uni-passau.de>
6132
6133         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
6134         (print_graphite_bb): Same.
6135         (build_cloog_prog): Same.
6136
6137 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6138             Tobias Grosser  <grosser@fim.uni-passau.de>
6139
6140         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
6141
6142 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6143             Tobias Grosser  <grosser@fim.uni-passau.de>
6144
6145         * graphite.c (build_scop_context): Don't use CloogMatrix.
6146         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
6147         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
6148
6149 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6150             Tobias Grosser  <grosser@fim.uni-passau.de>
6151
6152         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
6153         liveout_renames, add_params fields...
6154         (struct sese): ... here.
6155         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
6156         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
6157
6158 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6159             Tobias Grosser  <grosser@fim.uni-passau.de>
6160
6161         * graphite.c (print_scop): Do not print the CLooG program.
6162         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
6163         build_cloog_prog, gloog): Don't use SCOP_PROG.
6164         (find_transform): Renamed scop_to_clast.
6165         (print_generated_program, debug_generated_program): New.
6166         (graphite_transform_loops): Adapt to new interface.
6167         * graphite.h (struct scop): Remove program field.
6168         (SCOP_PROG): Removed.
6169         (print_generated_program, debug_generated_program): Declared.
6170
6171 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
6172
6173         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
6174         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
6175         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
6176         free_graphite_bb, build_scop_canonical_schedules,
6177         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
6178         schedules are now represented using a ppl_Linear_Expression_t.
6179         * graphite.h (struct graphite_bb): Same.
6180         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
6181         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
6182
6183 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6184
6185         * graphite.c: Free local memory.
6186         * graphite-ppl.c: Same.
6187
6188 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
6189
6190         * graphite.c (const_column_index, get_first_matching_sign_row_index,
6191         get_lower_bound_row, get_upper_bound_row, copy_constraint,
6192         swap_constraint_variables, scale_constraint_variable): Removed.
6193         (graphite_trans_bb_strip_mine): Remove pong.
6194         * graphite-ppl.c: Include missing header files.
6195         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
6196         * graphite-ppl.h (ppl_strip_loop): Declared.
6197         * Makefile.in (graphite-ppl.o): Adjust dependences.
6198
6199 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
6200
6201         * graphite.c (build_loop_iteration_domains): Remove ping pong.
6202         (build_scop_iteration_domain): Same.
6203
6204 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6205
6206         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6207         ping pong.
6208         (add_value_to_dim, scan_tree_for_params_right_scev,
6209         scan_tree_for_params_int): New.
6210         * graphite-ppl.c (oppose_constraint): New.
6211         (insert_constraint_into_matrix): Implement missing cases.
6212         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6213
6214 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
6215
6216         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6217         use ppl_move_dimension.
6218
6219 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6220
6221         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
6222         * graphite.c: Same.
6223         * graphite.h: Same.
6224         * graphite-ppl.c: Same.
6225         * graphite-ppl.h: Same.
6226
6227 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
6228
6229         Revert last 3 commits.
6230
6231 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6232
6233         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
6234         ping pong.
6235         (add_value_to_dim, scan_tree_for_params_right_scev,
6236         scan_tree_for_params_int): New.
6237         * graphite-ppl.c (oppose_constraint): New.
6238         (insert_constraint_into_matrix): Implement missing cases.
6239         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
6240
6241 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6242
6243         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
6244
6245 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6246             Tobias Grosser  <grosser@fim.uni-passau.de>
6247
6248         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
6249         use ppl_move_dimension.
6250         * graphite-ppl.c (ppl_move_dimension): New.
6251         * graphite-ppl.h (ppl_move_dimension): Declared.
6252
6253 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
6254
6255         * graphite.c: Do not include cloog/cloog.h.
6256         (print_graphite_bb): Remove ping pong, call PPL print function.
6257
6258 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6259
6260         * Makefile.in (OBJS-common): Add graphite-ppl.o.
6261         (graphite.o): Add dependence on graphite-ppl.h.
6262         (graphite-ppl.o): New.
6263         (graphite-data-ref.c): Ping pong between PPL data structures
6264         and matrices.
6265         * graphite-ppl.c: New.
6266         * graphite-ppl.h: New.
6267         * graphite.c: Include graphite-ppl.h.
6268         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
6269         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
6270         Ping pong between PPL data structures and matrices.
6271         (new_graphite_bb): Create a PPL constraint system.
6272         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
6273         (build_loop_iteration_domains): Use PPL functions.
6274         * graphite.h: Include graphite-ppl.h.  Fix comments.
6275         (graphite_bb): Use a ppl_Constraint_System_t instead of
6276         CloogMatrix for representing the domain.
6277         (scop): Remove static_schedule.
6278         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
6279
6280 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
6281
6282         * graphite.c: Fix some comments.
6283
6284 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6285
6286         PR middle-end/38953
6287         * graphite.c (if_region_set_false_region): After moving a region
6288         in the false branch of a condition, remove the empty dummy
6289         basic block.
6290         (gloog): Remove wrong fix for PR38953.
6291
6292 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6293
6294         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6295         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6296         register_bb_in_sese, new_sese, free_sese): Moved.
6297         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6298         outermost_loop_in_scop, build_scop_iteration_domain,
6299         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6300         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6301         Use loop_in_sese_p instead of loop_in_scop_p.
6302         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
6303         (free_scop): Do not free SCOP_BBS_B.
6304         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
6305         ref_nb_loops): Moved here...
6306         * graphite.h (ref_nb_loops): ... from here.
6307         (struct scop): Remove bbs_b bitmap.
6308         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6309         * gcc.dg/graphite/scop-19.c: New
6310
6311 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
6312
6313         * graphite.c (scopdet_basic_block_info): Fix bug in scop
6314         detection.
6315
6316 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6317
6318         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6319         eq_loop_to_cloog_loop): Remove.
6320         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
6321         * graphite.h (struct scop): Remove loop2cloog_loop.
6322         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6323
6324 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
6325
6326         * opts.c (decode_options): Only add graphite options to O2
6327         if we compile with graphite enabled.
6328
6329 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6330
6331         * Merge from mainline (r143163:143684).
6332
6333 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
6334
6335         * graphite.c (debug_value): Removed.
6336         * graphite.h (debug_value): Removed.
6337
6338 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6339
6340         * passes.c (init_optimization_passes): Do not call pass_copy_prop
6341         after graphite: pass_copy_prop does not maintain a proper loop closed
6342         SSA form.  pass_copy_prop should be fixed.
6343
6344 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6345
6346         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
6347
6348 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
6349
6350         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6351         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6352         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6353         changed the CFG.
6354
6355 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6356
6357         * graphite.c (gloog): Return true when code gen succeeded.
6358         (graphite_transform_loops): Do not call cleanup_tree_cfg if
6359         the code of the function did not changed.  After cleanup_tree_cfg
6360         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
6361         form.
6362
6363 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
6364
6365         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6366         gimple_call_lhs is NULL.
6367
6368 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6369             Tobias Grosser  <tobi.grosser@amd.com>
6370
6371         * graphite.c (graphite_trans_scop_block): Do not block single
6372         nested loops.
6373
6374 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6375             Tobias Grosser  <tobi.grosser@amd.com>
6376
6377         * graphite.c (build_scop_canonical_schedules): Start schedules at
6378         zero.
6379
6380 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6381             Tobias Grosser  <tobi.grosser@amd.com>
6382
6383         * graphite.c (compare_prefix_loops): New.
6384         (build_scop_canonical_schedules): Rewritten.
6385         (graphite_transform_loops): Move build_scop_canonical_schedules
6386         after build_scop_iteration_domain.
6387
6388 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6389             Tobias Grosser  <tobi.grosser@amd.com>
6390
6391         * graphite.c (add_conditions_to_domain): Add the loops to
6392         the dimension of the iteration domain.  Do copy the domain
6393         only when it exists.
6394         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6395         (add_conditions_to_constraints): New.
6396         (can_generate_code_stmt, can_generate_code): Removed.
6397         (gloog): Do not call can_generate_code.
6398         (graphite_transform_loops): Call add_conditions_to_constraints
6399         after building the iteration domain.
6400
6401 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6402             Tobias Grosser  <tobi.grosser@amd.com>
6403             Jan Sjodin  <jan.sjodin@amd.com>
6404
6405         * graphite.c (scan_tree_for_params): On substractions negate
6406         all the coefficients of the term.
6407         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6408         of more than two operands.
6409         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6410         (get_vdef_before_scop): Handle also the case of default definitions.
6411
6412 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6413
6414         PR middle-end/38431
6415         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6416         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6417         (gloog): Do not call cleanup_tree_cfg.
6418         (graphite_transform_loops): Call cleanup_tree_cfg after all
6419         scops have been code generated.
6420
6421 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6422
6423         * passes.c (init_optimization_passes): Schedule after
6424         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
6425
6426 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6427
6428         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
6429         Fix comment.
6430         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
6431         Set the type of an expression to the type of its assign statement.
6432         (expand_scalar_variables_expr):  Do not pass loop_p.
6433         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6434         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6435         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6436
6437 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6438
6439         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
6440         an expression to the gimple_expr_type of its assign statement.
6441         (expand_scalar_variables_expr): Stop recursion on tcc_constant
6442         or tcc_declaration.
6443
6444 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
6445
6446         PR tree-optimization/38786
6447         * gcc.dg/graphite/pr38786.c: New.
6448         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6449         the SSA_NAME case of expand_scalar_variables_expr.
6450         (expand_scalar_variables_expr): Also gather the scalar computation
6451         used to index the memory access.
6452         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6453         the gimple_stmt_iterator where it inserts new code.
6454
6455 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6456
6457         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
6458
6459 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
6460
6461         * opts.c (decode_options): Enable flag_graphite_identity and
6462         flag_loop_block in -O2 and above.
6463
6464 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6465
6466         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
6467         Fix merge problem: replace with the file from trunk.
6468
6469 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6470
6471         * Merge from mainline (r141727:143163).
6472
6473 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
6474             Jan Sjodin  <jan.sjodin@amd.com>
6475
6476         PR tree-optimization/38559
6477         * gcc.dg/graphite/pr38559.c: New.
6478
6479         * graphite.c (debug_value, copy_constraint,
6480         swap_constraint_variables, scale_constraint_variable, ): New.
6481         (get_lower_bound, get_upper_bound): Removed.
6482         (graphite_trans_bb_strip_mine): Clean up this code that works
6483         only for constant number of iterations.  Fully copy upper and
6484         lower bound constraints, not only the constant part of them.
6485         * graphite.h (debug_value): Declared.
6486
6487 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
6488
6489         PR tree-optimization/38492
6490         PR tree-optimization/38498
6491         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6492         * tree-chrec.h (scev_is_linear_expression): Declared.
6493         * graphite.c (graphite_cannot_represent_loop_niter): New.
6494         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6495         (graphite_loop_normal_form): Use gcc_assert.
6496         (scan_tree_for_params): Use CASE_CONVERT.
6497         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6498         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6499         Use gcc_assert.  Discard scops that contain unhandled cases.
6500         (build_scop_conditions): Return a boolean status for unhandled cases.
6501         (strip_mine_profitable_p): Print the loop number, not its depth.
6502         (is_interchange_valid): Pass the depth of the loop nest, don't
6503         recompute it wrongly.
6504         (graphite_trans_bb_block): Same.
6505         (graphite_trans_bb_block): Print tentative of loop blocking.
6506         (graphite_trans_scop_block): Do not print that the loop has been
6507         blocked.
6508         (graphite_transform_loops): Do not handle scops that contain condition
6509         scalar phi nodes.
6510
6511         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
6512         in trunk.
6513         * gcc.dg/graphite/block-0.c: Update test.
6514         * gcc.dg/graphite/block-1.c: Same.
6515         * gcc.dg/graphite/block-2.c: Remove xfail and test for
6516         blocking.
6517         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
6518         * gcc.dg/graphite/block-3.c: New.
6519         * gcc.dg/graphite/pr38498.c: New.
6520
6521 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
6522
6523         PR tree-optimization/38510
6524         * gcc.dg/graphite/pr38510.c: New.
6525         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
6526           (translate_clast): Call recompute_all_dominators before
6527           graphite_verify.
6528           (gloog): Call recompute_all_dominators before graphite_verify.
6529
6530 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6531
6532         PR tree-optimization/38492
6533         * graphite.c (rename_map_elt, debug_rename_elt,
6534         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
6535         rename_map_elt_info, eq_rename_map_elts,
6536         get_new_name_from_old_name, bb_in_sese_p): Moved around.
6537         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
6538         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
6539         (sese_build_livein_liveouts): New.
6540         (new_sese, free_sese): New.
6541         (new_scop): Call new_sese.
6542         (free_scop): Call free_sese.
6543         (rename_variables_from_edge, rename_phis_end_scop): Removed.
6544         (register_old_new_names): Renamed register_old_and_new_names.
6545         (register_scop_liveout_renames, add_loop_exit_phis,
6546         insert_loop_close_phis, struct igp,
6547         default_liveout_before_guard, add_guard_exit_phis,
6548         insert_guard_phis, copy_renames): New.
6549         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
6550         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
6551         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
6552         (scop_adjust_phis_for_liveouts): New.
6553         (gloog): Call scop_adjust_phis_for_liveouts.
6554
6555         * graphite.h (struct sese): Documented.  Added fields liveout,
6556         num_ver and livein.
6557         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
6558         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
6559         (struct scop): Added field liveout_renames.
6560         (SCOP_LIVEOUT_RENAMES): New.
6561
6562 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6563
6564         PR tree-optimization/38409
6565         * gcc.dg/graphite/pr38409.c: New.
6566         * graphite.c (nb_reductions_in_loop): Use simple_iv.
6567
6568 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6569
6570         * graphite.c (gcc_type_for_cloog_iv): By default return
6571         integer_type_node.
6572         (graphite_create_new_loop): Don't fold_convert the already
6573         fold_convert-ed expression.
6574
6575 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
6576
6577         PR tree-optimization/38446
6578         * gcc.dg/graphite/pr38446.c: New.
6579         * graphite.c (register_bb_in_sese): New.
6580         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
6581         looking at the bbs in the region.
6582         * graphite.h (sese): Add region_basic_blocks pointer set to
6583         structure and initialize at the time of defining new scop.
6584
6585 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6586
6587         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
6588         (find_params_in_bb): Do not free data refs.
6589         (free_graphite_bb): Add FIXME on disabled free_data_refs.
6590
6591 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
6592
6593         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
6594         * gcc.dg/graphite/scop-17.c: Same.
6595         * gcc.dg/graphite/block-5.c: New.
6596         * gcc.dg/graphite/block-6.c: New.
6597         * gcc.dg/graphite/pr37485.c: Clean dump file after.
6598         * gcc.dg/graphite/pr37684.c: Same.
6599         * gcc.dg/graphite/block-2.c: Same.
6600
6601         * graphite.c (struct ivtype_map_elt): New.
6602         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
6603         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
6604         gcc_type_for_cloog_iv): New.
6605         (loop_iv_stack_patch_for_consts): Use the type of the induction
6606         variable from the original loop, except for the automatically
6607         generated loops, i.e., in the case of a strip-mined loop, in
6608         which case there is no original loop: in that case just use
6609         integer_type_node.
6610         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
6611         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
6612         (clast_name_to_gcc): Accept params to be NULL.
6613         (clast_to_gcc_expression): Take an extra parameter for the type.
6614         Convert to that type all the expressions built by this function.
6615         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
6616         (graphite_translate_clast_equation): Compute the type of the
6617         clast_equation before translating its LHS and RHS.
6618         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
6619         (graphite_create_new_loop): Compute the type of the induction
6620         variable before translating the lower and upper bounds and before
6621         creating the induction variable.
6622         (rename_variables_from_edge, rename_phis_end_scop): New.
6623         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
6624         (sese_add_exit_phis_edge): Do not use integer_zero_node.
6625         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
6626         compute_cloog_iv_types): New.
6627         (gloog): Call compute_cloog_iv_types before starting the
6628         translation of the clast.
6629
6630         * graphite.h (struct graphite_bb): New field cloog_iv_types.
6631         (GBB_CLOOG_IV_TYPES): New.
6632         (debug_ivtype_map): Declared.
6633         (oldiv_for_loop): New.
6634
6635 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6636
6637         PR middle-end/38459
6638         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6639         (param_index): Assert if parameter is not know after parameter
6640         detection.
6641         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6642         (find_scop_parameters): Mark, that we have finished parameter
6643         detection.
6644         (graphite_transform_loops): Move condition detection before parameter
6645         detection.
6646         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6647         * gfortran.dg/graphite/pr38459.f90: New.
6648
6649 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6650
6651         * graphite.c (graphite_transform_loops): Always call find_transform ()
6652         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6653         generate code.
6654
6655 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6656
6657         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6658         (print_scop): Ditto.
6659
6660 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6661
6662         PR middle-end/38084
6663         Fix gfortran.dg/graphite/id-3.f90.
6664         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6665         regions more than once.
6666
6667 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6668
6669         Fix gfortran.dg/graphite/id-4.f90.
6670         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6671         when not needed.
6672
6673 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6674
6675         Fix gfortran.dg/graphite/id-1.f90.
6676         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6677         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6678         (max_precision_type): New.
6679         (value_clast): Removed.
6680         (clast_to_gcc_expression): Be more careful to types of expressions.
6681         Use max_precision_type and update use of gmp_cst_to_tree.
6682         (graphite_translate_clast_equation): Use max_precision_type.
6683         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6684         use the type of the condition.
6685         (graphite_create_new_loop): Do not use integer_type_node, use the
6686         max_precision_type of lb and ub.
6687
6688 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6689
6690         * graphite.c (build_scops_1): Initialize open_scop.exit
6691         and sinfo.last.
6692
6693 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6694
6695         * gcc.dg/graphite/pr38084.c: New.
6696         * gfortran.dg/graphite/id-1.f90: New.
6697         * gfortran.dg/graphite/id-2.f90: New.
6698         * gfortran.dg/graphite/id-3.f90: New.
6699         * gfortran.dg/graphite/id-4.f90: New.
6700         * gfortran.dg/graphite/pr37857.f90: New.
6701
6702 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6703             Jan Sjodin  <jan.sjodin@amd.com>
6704             Harsha Jagasia  <harsha.jagasia@amd.com>
6705
6706         PR middle-end/37852
6707         PR middle-end/37883
6708         PR middle-end/37928
6709         PR middle-end/37980
6710         PR middle-end/38038
6711         PR middle-end/38039
6712         PR middle-end/38073
6713         PR middle-end/38083
6714         PR middle-end/38125
6715
6716         * gcc.dg/graphite/pr38073.c: New.
6717         * gcc.dg/graphite/pr37928.c: New.
6718         * gcc.dg/graphite/pr37883.c: New.
6719         * gcc.dg/graphite/pr38125.c: New.
6720         * gfortran.dg/graphite/pr38083.f90: New.
6721         * gfortran.dg/graphite/pr37852.f90: New.
6722         * gfortran.dg/graphite/pr37980.f90: New.
6723
6724         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6725         the number of detected scops.  Copy exact same test for loop
6726         blocking...
6727         * gcc.dg/graphite/block-1.c: Fix the number of expected
6728         loops to be blocked as reductions are not handled.
6729         * gcc.dg/graphite/block-4.c: ...here.  New.
6730
6731         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6732         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6733         ...here.
6734         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6735         * Makefile.in (graphite.o): Depend on value-prof.h.
6736         (graphite.o-warn): Removed -Wno-error.
6737         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6738         to be a NULL pointer.  Call update_stmt.  Return the newly created
6739         cannonical induction variable.
6740
6741         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6742
6743         * graphite.c: Reimplement the code generation from graphite to gimple.
6744         Include value-prof.h.
6745         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6746         (get_old_iv_from_ssa_name): Removed.
6747         (graphite_stmt_p): New.
6748         (new_graphite_bb): Test for useful statements before building a
6749         graphite statement for the basic block.
6750         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6751         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6752         reason.
6753         (recompute_all_dominators, graphite_verify,
6754         nb_reductions_in_loop, graphite_loop_normal_form): New.
6755         (scop_record_loop): Call graphite_loop_normal_form.
6756         (build_scop_loop_nests): Iterate over all the blocks of the
6757         function instead of relying on the incomplete information from
6758         SCOP_BBS.  Return the success of the operation.
6759         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6760         (add_bb_domains): Removed.
6761         (build_loop_iteration_domains): Don't call add_bb_domains.
6762         Add the iteration domain only to the basic blocks that have been
6763         translated to graphite.
6764         (build_scop_conditions_1): Add constraints only if the basic
6765         block have been translated to graphite.
6766         (build_scop_data_accesses): Completely disabled until data
6767         dependence is correctly implemented.
6768         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6769         (remove_all_edges_1, remove_all_edges): Removed.
6770         (get_new_name_from_old_name): New.
6771         (graphite_rename_variables_in_stmt): Renamed
6772         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6773         Use replace_exp and update_stmt.
6774         (is_old_iv): Renamed is_iv.
6775         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6776         Use replace_exp and update_stmt.
6777         (expand_scalar_variables_expr): Same.  Use the map to get the
6778         new names for the renaming of induction variables and for the
6779         renaming of variables after a basic block has been copied.
6780         (expand_scalar_variables): Same.
6781         (graphite_rename_variables): Renamed rename_variables.
6782         (move_phi_nodes): Removed.
6783         (get_false_edge_from_guard_bb): New.
6784         (build_iv_mapping): Do not insert the induction variable of a
6785         loop in the renaming iv map if the basic block does not belong
6786         to that loop.
6787         (register_old_new_names, graphite_copy_stmts_from_block,
6788         copy_bb_and_scalar_dependences): New.
6789         (translate_clast): Heavily reimplemented: copy basic blocks,
6790         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6791         At each translation step call graphite_verify ensuring the
6792         consistency of the SSA, loops and dominators information.
6793         (collect_virtual_phis, find_vdef_for_var_in_bb,
6794         find_vdef_for_var_1, find_vdef_for_var,
6795         patch_phis_for_virtual_defs): Removed huge hack.
6796         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6797         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6798         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6799         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6800         if_region_get_condition_block, if_region_set_false_region,
6801         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6802         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6803         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6804         rewrite_into_sese_closed_ssa): New.
6805         (gloog): Remove dead code.  Early return if code cannot be
6806         generated.  Call cleanup_tree_cfg once the scop has been code
6807         generated.
6808         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6809         block loops with less than two loops.
6810         (graphite_apply_transformations): Remove the call to
6811         scop_remove_ignoreable_gbbs.
6812         (limit_scops): When build_scop_loop_nests fails, continue on
6813         the next scop.  Fix open_scop.entry.
6814         (graphite_transform_loops): Call recompute_all_dominators: force the
6815         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6816         Call initialize_original_copy_tables and free_original_copy_tables
6817         to be able to copy basic blocks during code generation.
6818         When build_scop_loop_nests fails, continue on next scop.
6819         (value_clast): New union.
6820         (clast_to_gcc_expression): Fix type cast warning.
6821
6822 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6823
6824         * Merge from mainline (r140838:141727).
6825
6826 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6827
6828         PR middle-end/37833
6829
6830         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6831
6832 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6833
6834         PR middle-end/37943
6835
6836         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6837         exits and conditions.
6838         * gcc.dg/graphite/pr37943.c: New.
6839
6840 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6841
6842         PR middle-end/37886
6843         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6844
6845 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6846
6847         * doc/invoke.texi: Fix spaces.
6848
6849 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6850
6851         PR tree-optimization/37891
6852         Reverted last commit.
6853         * graphite.c (create_single_entry_edge): Set
6854         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6855
6856 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6857             Mitul Thakkar  <mitul.thakkar@amd.com>
6858
6859         * graphite.c (create_single_entry_edge): Set
6860         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6861
6862 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6863
6864         * doc/invoke.texi: Add -fgraphite-identity.
6865         * graphite.c (graphite_apply_transformations): Check for
6866         -fgraphite-identity.
6867         * toplev.c (process_options): Add flag_graphite_identity.
6868         * tree-ssa-loop.c: Add flag_graphite_identity.
6869
6870 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6871
6872         Undo changes from 2008-10-02:
6873         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6874         operand type when copying the operand to a variable of different type.
6875         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6876         with the IV name after increment.
6877
6878 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6879             Harsha Jagasia  <harsha.jagasia@amd.com>
6880
6881         PR tree-optimization/37828
6882         * gcc.dg/graphite/pr37828.c: New.
6883         * graphite.c (graphite_trans_loop_block): Do not loop block
6884         single nested loops.
6885
6886 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6887             Sebastian Pop  <sebastian.pop@amd.com>
6888
6889         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6890         rename_map_elt_info, eq_rename_map_elts): New.
6891         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6892         (expand_scalar_variables_expr): Change parameters.
6893         (expand_scalar_variables_stmt): Same.
6894         (expand_scalar_variables): Same.
6895         (graphite_rename_ivs): Rename graphite_rename_variables.
6896         (build_iv_mapping): New.
6897         (translate_clast): Call build_iv_mapping.
6898         * graphite.h (gbb_p): New name.
6899
6900 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6901
6902         PR tree-optimization/37684
6903         * gcc.dg/graphite/pr37684.c: New.
6904         * graphite.c (exclude_component_ref): New.
6905         (is_simple_operand): Call exclude_component_ref.
6906
6907 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6908             Harsha Jagasia  <harsha.jagasia@amd.com>
6909
6910         PR tree-optimization/37485
6911         * gcc.dg/graphite/block-2.c: New
6912         * graphite.c (gmp_cst_to_tree): Moved.
6913         (iv_stack_entry_is_constant): New.
6914         (iv_stack_entry_is_iv): New.
6915         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6916         (loop_iv_stack_insert_constant): New.
6917         (loop_iv_stack_pop): Use new datatpype.
6918         (loop_iv_stack_get_iv): Same.
6919         (loop_iv_stack_get_iv_from_name): Same.
6920         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6921         (loop_iv_stack_patch_for_consts): New.
6922         (loop_iv_stack_remove_constants): New.
6923         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6924         (translate_clast): Call loop_iv_stack_patch_for_consts and
6925         loop_iv_stack_remove_constants.
6926         (gloog): Use new datatype.  Redirect construction edge to end
6927         block to avoid accidental deletion.
6928         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6929         iv stack entry.
6930         (union iv_stack_entry_data): New.  Data in iv stack entry.
6931         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6932
6933 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6934
6935         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6936         operand type when copying the operand to a variable of different type.
6937
6938 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6939
6940         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6941         with the IV name after increment.
6942
6943 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6944
6945         * Merge from mainline (r140164:140838).
6946
6947 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6948
6949         * graphite-data-ref.c: New.
6950         * graphite.c (print_scop): Also dump the dependence graph.
6951         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6952         (new_scop): Initialize SCOP_DEP_GRAPH.
6953         (build_scop_dynamic_schedules): New.
6954         (build_access_matrix_with_af): Fixed column numbering.
6955         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6956         * graphite.h: Add ifndef/define guards against multiple inclusion.
6957         (struct scop): Add dep_graph field.
6958         (SCOP_DEP_GRAPH): Defined.
6959         (ref_nb_loops): Fixed and moved to other position.
6960         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6961         (nb_loops_around_loop_in_scop): New.
6962         (graphite_dump_dependence_graph): Declared.
6963         (graphite_build_rdg_all_levels): Declared.
6964         (graphite_test_dependence): Declared.
6965         * Makefile.in (graphite-data-ref.o): New target.
6966
6967 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6968
6969         * Merge from mainline (139870:140164).
6970
6971 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6972
6973         * Merge from mainline (138275:139870).
6974         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6975         the commits from trunk broke the niter detection.
6976
6977 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6978
6979         * graphite.c: Add more documentation.  Fix formatting.
6980         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6981         loop_iv_stack_debug): Moved...
6982         (schedule_to_scattering): Move before use.
6983         (dot_all_scops): Include in "#if 0" the code for system
6984         call dotty.
6985
6986         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6987         loop_iv_stack_debug): ...here.
6988
6989 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6990
6991         * tree-phinodes.c (make_phi_node): Extern.
6992         (add_phi_node_to_bb): New.
6993         (create_phi_node): Call add_phi_node_to_bb.
6994         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6995         (remove_statement): Handle case where stored phi was updated
6996         and is no longer the same.
6997         * graphite.c (is_parameter): New.
6998         (is_old_iv): New.
6999         (expand_scalar_variables_expr): New.
7000         (expand_scalar_variables_stmt): New.
7001         (expand_scalar_variables): New.
7002         (move_phi_nodes): Create new phi instead of moving old one.
7003         (translate_clast): Call expand_scalar_variables.
7004         (find_vdef_for_var_in_bb): Also scan regular definitions.
7005         (skip_phi_defs): New.
7006         (collect_scop_exit_phi_args): New.
7007         (patch_scop_exit_phi_args): New.
7008         (gloog): Patch phis after scop.
7009         * tree-flow.h: (add_phi_node_to_bb): Declared.
7010         (make_phi_node): Declared.
7011
7012 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7013
7014         * graphite.c (end_scop): Split the entry of the scop when it
7015         is the header of the loop in which the scop is ending.
7016         (build_scops_1, limit_scops): Update uses of end_scop.
7017
7018 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
7019
7020         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
7021         SCOP_ENTRY or SCOP_EXIT.
7022
7023 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7024
7025         * graphite.c (get_construction_edge): Removed.
7026         (gloog): Construction edge is the scop entry edge.
7027
7028 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7029
7030         * graphite.c (can_generate_for_scop): Removed.
7031         (gloog): Do not call it.
7032
7033 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7034
7035         * graphite.c (new_scop): Entry of a scop is an edge.
7036         Initialize SESE region.
7037         (free_scop): Free SESE region.
7038         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
7039         (split_difficult_bb): New, split from end_scop.
7040         (end_scop): Exit of a scop is an edge.
7041         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
7042         not automatically updated and thus is always wrong.
7043         * graphite.h (struct sese): New.
7044         (SESE_ENTRY): New.
7045         (SESE_EXIT): New.
7046         (struct scop): New field for a SESE region.  Remove entry, exit.
7047         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
7048         semantics as before.  Moved comment around.
7049
7050 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7051             Sebastian Pop  <sebastian.pop@amd.com>
7052
7053         * graphite.c (graphite_transform_loops): Always enable gloog
7054         and find_transform when ENABLE_CHECKING.
7055
7056 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7057
7058         * graphite.c (graphite_transform_loops): Move pretty printer
7059         of SCOPs before doing any transform.  Remove call to print_scops
7060         and dot_all_scops_1.
7061
7062 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7063
7064         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
7065         (print_graphite_bb): Same.
7066
7067 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7068
7069         * graphite.c (dot_all_scops_1): Cleanup.
7070         (move_scops): Fix comment.
7071
7072 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
7073
7074         * graphite.c (build_scop_bbs): Revert commit 139355:
7075
7076         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7077                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7078
7079                 * graphite.c (build_scop_bbs): Factor up code.
7080
7081 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7082
7083         * graphite.c (gloog): Update dominator info.
7084
7085 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
7086
7087         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
7088
7089 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7090
7091         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
7092         initialization.
7093         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
7094         (translate_clast): Correct formatting.
7095         * graphite.h (struct num_map): Removed.
7096         (struct graphite_bb): Remove num_map field.
7097         (GBB_INDEX_TO_NUM_MAP): Removed.
7098
7099 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7100
7101         * graphite.c (build_access_matrix_with_af): Fix comments.
7102         (build_scop_data_accesses): Same.
7103
7104 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7105
7106         * graphite.c (build_scop_data_accesses): Don't construct
7107         access matrices.  Add a FIXME and an assert condition that
7108         should pass when the access matrices will be needed.
7109
7110 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
7111
7112         * tree-data-ref.c (stmt_simple_memref_p): Don't call
7113         really_constant_p.
7114         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
7115         Moved close by free_graphite_bb.
7116         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
7117         (new_scop): Move close by free_scop.
7118         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
7119
7120 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
7121
7122         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
7123         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
7124         instead of recursive call.
7125         (graphite_translate_clast_equation): New.
7126         (graphite_create_guard_cond_expr): New.
7127         (graphite_create_new_guard): New.
7128         (get_stack_index_from_iv): Removed.
7129         (graphite_rename_ivs_stmt): Use gbb_loop_index.
7130         (get_true_edge_from_guard_bb): New.
7131         (translate_clast): Handle stmt_guard in clast.
7132         (get_construction_edge): Allow construction edge detection for
7133         a scope entry with multiple predecessors if one predecessor is
7134         the immediate dominator of scope entry.
7135         (can_generate_code_stmt): Enable code generation for clast_guard.
7136         (gloog): Use correct context loop.  Removed check for post dominators.
7137         * cfgloop.h (create_empty_if_region_on_edge): Declared.
7138
7139 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7140
7141         * graphite.c (remove_dead_loops): Document better which
7142         loops are removed.
7143
7144 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7145
7146         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
7147         and PPLINC.
7148         (graphite.o): Also depends on pointer-set.h.
7149
7150 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7151
7152         * graphite.c (scop_record_loop): Fix compile warning.
7153
7154 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
7155             Sebastian Pop  <sebastian.pop@amd.com>
7156
7157         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
7158
7159 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
7160
7161         * graphite.c (build_graphite_bb): Initialize bb->aux to
7162         point to the graphite_bb_p.
7163         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
7164         content of bb->aux.
7165         (add_bb_domains): Does not use the scop parameter.
7166         (graphite_transform_loops): Clean bb->aux at the end.
7167
7168 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7169             Sebastian Pop  <sebastian.pop@amd.com>
7170
7171         * lib/target-supports.exp
7172         (check_effective_target_fgraphite): New.
7173
7174         * gcc.dg/graphite/graphite.exp: Early exit when
7175         check_effective_target_fgraphite returns false.
7176         Set dg-do-what-default to compile.
7177         (scan-graphite-dump-times): Removed.
7178         * gfortran.dg/graphite/graphite.exp: Same.
7179
7180         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
7181         Use scan-tree-dump-times instead of scan-graphite-dump-times.
7182         * gcc.dg/graphite/scop-1.c: Same.
7183         * gcc.dg/graphite/scop-2.c: Same.
7184         * gcc.dg/graphite/scop-3.c: Same.
7185         * gcc.dg/graphite/scop-4.c: Same.
7186         * gcc.dg/graphite/scop-5.c: Same.
7187         * gcc.dg/graphite/scop-6.c: Same.
7188         * gcc.dg/graphite/scop-7.c: Same.
7189         * gcc.dg/graphite/scop-8.c: Same.
7190         * gcc.dg/graphite/scop-9.c: Same.
7191         * gcc.dg/graphite/scop-10.c: Same.
7192         * gcc.dg/graphite/scop-11.c: Same.
7193         * gcc.dg/graphite/scop-12.c: Same.
7194         * gcc.dg/graphite/scop-13.c: Same.
7195         * gcc.dg/graphite/scop-matmult.c: Same.
7196         * gcc.dg/graphite/scop-14.c: Same.
7197         * gcc.dg/graphite/scop-15.c: Same.
7198         * gcc.dg/graphite/block-0.c: Same.
7199         * gcc.dg/graphite/scop-16.c: Same.
7200         * gcc.dg/graphite/block-1.c: Same.
7201         * gcc.dg/graphite/scop-17.c: Same.
7202         * gcc.dg/graphite/scop-18.c: Same.
7203         * gfortran.dg/graphite/block-1.f90: Same.
7204         * gfortran.dg/graphite/scop-1.f: Same.
7205         * gfortran.dg/graphite/block-2.f: Same.
7206
7207 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7208
7209         * graphite.c: Fix some XXX comments.
7210         (build_scop_dynamic_schedules): Removed.
7211
7212 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7213
7214         * graphite.h (scop_max_loop_depth): Moved...
7215         * graphite.c (scop_max_loop_depth): ...here.
7216         (remove_all_edges_1): New.
7217         (remove_all_edges): Factored code.
7218         (remove_cond_exprs): Check only the last statement for
7219         a GIMPLE_COND expression.
7220
7221 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7222
7223         * graphite.c (scan_tree_for_params): Early return when the
7224         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
7225         (find_scop_parameters): Factor out code.
7226         (graphite_trans_bb_strip_mine): Remove dead code.
7227
7228 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7229
7230         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
7231         graphite_trans_bb_move_loop): Factor asserts.
7232         (gloog): Perform sanity checks only for ENABLE_CHECKING.
7233         Do not call calculate_dominance_info and estimate_bb_frequencies.
7234
7235 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
7236
7237         * graphite.c (create_loops_mapping, free_loops_mapping,
7238         create_loops_mapping_num, debug_loop_mapping_1,
7239         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
7240         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
7241         graphite_loops_mapping_add_child_num,
7242         graphite_loops_mapping_insert_child,
7243         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
7244         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
7245         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
7246         create_num_from_index, get_num_from_index,
7247         swap_loop_mapped_depth): Removed.
7248         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
7249         (free_scop): Do not call free_loops_mapping.
7250         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
7251         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
7252         get_loop_mapped_depth.
7253         (graphite_trans_bb_move_loop): Do not update the loop mapping.
7254         (graphite_trans_bb_strip_mine): Same.
7255         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
7256         (struct scop): Remove field loops_mapping.
7257
7258 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7259             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7260
7261         * graphite.c (scop_record_loop): Factor out one level of the
7262         condition by early return.
7263         (build_scop_loop_nests): Format following FSF coding style.
7264         (build_scop_dynamic_schedules): Factor out code.
7265         (scopdet_bb_info): Reindent.  Default case should not be reachable.
7266
7267 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7268             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7269
7270         * graphite.c (loop_affine_expr): Check for DECL_P or struct
7271         assignments that are not handled as simple operands for now.
7272
7273 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7274             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7275
7276         * graphite.c (build_scop_bbs): Factor up code.
7277
7278 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7279             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7280
7281         * graphite.c (stmt_simple_for_scop_p): Factor code out
7282         of the loop.
7283         (enum gbb_type): New.  Group all the GBB_* types under it.
7284         (is_loop_exit): Moved...
7285         (end_scop): Enable BB spliting.
7286         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
7287         * cfgloop.h (is_loop_exit): Declared.
7288
7289 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7290
7291         * doc/invoke.texi: Remove strides from examples containing
7292         DO loops when the strides are equal to 1.
7293
7294 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
7295             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7296
7297         * graphite.c (graphite_trans_scop_block): Or the result with
7298         the result from graphite_trans_loop_block.
7299         * gcc.dg/graphite/block-1.c: New.
7300         * gfortran.dg/graphite/block-1.f90: New.
7301         * gfortran.dg/graphite/block-2.f: New.
7302
7303 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7304
7305         * graphite.c (graphite_transform_loops): Call cloog_initialize
7306         and cloog_finalize.
7307
7308 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7309
7310         * tree-data-ref.c) (stmt_simple_memref_p): New.
7311         * tree-data-ref.h (stmt_simple_memref_p): Declared.
7312         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
7313         (is_simple_operand): Call stmt_simple_memref_p.
7314
7315         * gcc.dg/graphite/scop-matmult.c: Updated for not
7316         using pointer arithmetic, as this is optimized by PRE and
7317         makes the code too difficult to analyze.
7318
7319         * gcc.dg/graphite/scop-18.c: Same.
7320
7321 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
7322
7323         * gdbinit.in (pgg): New.
7324
7325 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7326
7327         * graphite.c (graphite_trans_loop_block): Fix warning.
7328
7329 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7330
7331         * graphite.c (graphite_trans_loop_block): Fix my merge error.
7332
7333 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7334
7335         * graphite.c (graphite_trans_bb_block): Remove check for
7336         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
7337         Check if loop blocking is profitable for every loop, before applying
7338         the changes.
7339         (graphite_apply_transformations): Call graphite_trans_bb_block only,
7340         if flag_loop_block is set.
7341
7342 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7343
7344         * graphite.c: Add some more documentation for the loop
7345         mapping.
7346
7347 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7348
7349         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
7350         * graphite.c: Format on less than 80 columns.
7351         * graphite.h: Same.
7352
7353 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7354
7355         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
7356
7357 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
7358
7359         * doc/invoke.texi (floop-block, floop-strip-mine,
7360         floop-interchange): Update documentation with examples.
7361
7362 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7363
7364         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
7365         add_referenced_var.
7366         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
7367
7368 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
7369
7370         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
7371         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
7372         * tree-scalar-evolution.c: Revert useless changes.
7373         * tree-phinodes.c: Same.
7374         * cfghooks.c: Same.
7375         * vec.h: Same.
7376         * tree-vectorizer.h: Same.
7377         * tree-flow.h: Same.
7378         * tree-cfg.c: Same.
7379         * common.opt (fgraphite): Update documentation.
7380
7381 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
7382
7383         * doc/invoke.texi (-floop-block, -floop-strip-mine,
7384         -floop-interchange): Add more text for explaining what each of these
7385         flags is doing.
7386         * tree-into-ssa.c (gimple_vec): Moved to...
7387         * graphite.c: Include gimple.h.
7388         (gimple_vec): Moved to...
7389         (del_loop_to_cloog_loop): Removed.
7390         (loop_affine_expr): Do not call create_data_ref when the
7391         operand is a constant.
7392         (new_scop): Use free instead of del_loop_to_cloog_loop.
7393         * Makefile.in (graphite.o): Depend on GIMPLE_H.
7394         * gimple.h (gimple_vec): ... here.
7395
7396 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7397
7398         * graphite.c (scopdet_bb_info): Only allow loops with known number of
7399         latch executions.
7400         (build_loop_iteration_domains): Fail, if latch executions unknown.
7401
7402 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7403
7404         * graphite.c (add_conditions_to_domain): New.
7405         (build_scop_conditions_1): Call add_conditions_to_domain.
7406         (set_cloog_options): Allow to disable optimizations.
7407
7408 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7409
7410         * graphite.c (find_params_in_bb): Look for parameters in conditions.
7411         Do not use walk_dominator_tree.
7412         (find_scop_parameters): Do not use walk_dominator_tree.
7413
7414 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7415
7416         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
7417         (idx_record_params): Adapt.
7418         * graphite.h (scop_gimple_loop_depth): New.
7419
7420 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7421
7422         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
7423         (scan_tree_for_params): Remove value_init.
7424         (build_scop_context): Remove value_init.
7425         (build_loop_iteration_domains): Remove value_init.
7426         (schedule_to_scattering): Remove value_init.
7427         (graphite_trans_bb_strip_mine): Remove value_init.
7428
7429 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7430
7431         * gcc/graphite.c (limit_scops): New.
7432         (graphite_transform_loops): Add limit SCoPs.
7433         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
7434         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
7435         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
7436         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
7437         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
7438         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
7439         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
7440         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
7441         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
7442         Change loop numbers.
7443         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
7444         Change loop numbers.
7445         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
7446         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
7447         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
7448         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
7449         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
7450         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
7451         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
7452         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
7453         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
7454         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
7455
7456 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7457
7458         * graphite.c (graphite_transform_loops): Call always find_transform.
7459
7460 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7461
7462         * graphite.c (free_loops_mapping): New.
7463         (stmt_simple_for_scop_p): Fix typo.
7464         (stmt_simple_for_scop_p): Fix tuples functions, that
7465         broke polyhedron.
7466         (free_graphite_bb): Fix some memleaks.
7467         (free_scop): Fix some memleaks.
7468         (scopdet_bb_info): Do not forget some tmp SCoPs.
7469         (find_params_in_bb): Fix some memleaks.
7470         (clast_to_gcc_expression): Fix warning.
7471
7472 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7473
7474         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
7475         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
7476
7477 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7478
7479         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
7480         Move code ifdef-ed HAVE_cloog...
7481         * graphite.c: Include toplev.h.
7482         ... here.
7483         * Makefile.in (OBJS-common): Always build graphite.o.
7484         (BACKEND): Remove @GRAPHITE@.
7485         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
7486         (graphite.o): Depend on TOPLEV_H.
7487
7488 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
7489
7490         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
7491         Remove typo left from polylib to ppl conversion.
7492         * graphite.c (graphite_transforms): Use sorry instead of fatal.
7493
7494 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7495
7496         * toplev.c (process_options): Move the graphite loop optimization
7497         flags...
7498         * tree-ssa-loop.c (graphite_transforms): ... here.
7499         When not configured with CLooG, print to dump_file that
7500         Graphite transforms were not performed.
7501         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
7502         New.
7503         * gcc.dg/graphite/*.c: Updated all testcases to use
7504         scan-graphite-dump-times.
7505
7506 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
7507
7508         * graphite.c (dot_scop, dot_all_scops): Do not call system.
7509         Do not open /tmp/scop.dot and /tmp/allscops.dot.
7510
7511 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7512             Jan Sjodin  <jan.sjodin@amd.com>
7513
7514         * configure: Regenerated.
7515         * omp-low.c (expand_omp_sections): Remove now unused code.
7516         * config.in (HAVE_polylib): Removed.
7517         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
7518         (PPLLIBS, PPLINC): Added.
7519         * graphite.c: Replace unsigned with int wherever possible.
7520         Don't access Cloog's data structures, but use accessor functions.
7521         Clast's stmt->type is now implemented as a vtable: change the
7522         switches of stmt->type into ifs.
7523         (polylib/polylibgmp.h): Don't include.
7524         (initialize_dependence_polyhedron,
7525         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7526         statement_precedes_p, test_dependence, build_rdg_all_levels,
7527         dump_dependence_graph): Removed until this code is cleaned up
7528         or ported to Cloog.
7529         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
7530         (POLYLIBINC): Renamed PPLINC.
7531
7532 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
7533             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7534             Jan Sjodin  <jan.sjodin@amd.com>
7535
7536         Finish the merge and tuplification of graphite.
7537
7538 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7539             Jan Sjodin  <jan.sjodin@amd.com>
7540
7541         Partial merge from mainline (138072:138275).
7542         * graphite.c still has to be tuplified.
7543
7544 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
7545
7546         * graphite.c (graphite_loops_mapping_max_loop_num): New.
7547         (create_num_from_index): New.
7548         (get_num_from_index): Also pass in the graphite BB.
7549         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
7550         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
7551         (graphite_trans_bb_strip_mine): Call create_num_from_index.
7552         (is_interchange_valid): Return false when failing.
7553         * graphite.h (struct num_map): New.
7554         (struct graphite_bb): New field num_map.
7555         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
7556
7557 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7558
7559         * graphite.c (dump_gbb_conditions): Print also conditions like
7560         "if (a)".  Remove dublicated code and use print_generic_expr ().
7561         (stmt_simple_for_scop_p): Only allow conditions we can handle
7562         {<, <=, >, >=}.
7563
7564 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7565
7566         * graphite.h (struct scop): Removed new_ivs field.
7567         (SCOP_NEWIVS): Deleted.
7568         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
7569         clast_to_gcc_expression, graphite_create_new_loop):
7570         Removed use of new_ivs.
7571
7572 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
7573
7574         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
7575         create_loops_mapping_num, debug_loop_mapping_1): New.
7576         (debug_loop_mapping): Call debug_loop_mapping_1.
7577         (get_loop_mapping_for_num,
7578         graphite_loops_mapping_add_child,
7579         graphite_loops_mapping_add_child_num,
7580         graphite_loops_mapping_insert_child,
7581         graphite_loops_mapping_parent,
7582         split_loop_mapped_depth_for_num,
7583         loop_mapped_depth_split_loop): New.
7584         (increment_loop_mapped_depths): Removed.
7585         (swap_loop_mapped_depth_for_num): Reimplemented.
7586         (new_scop): Call create_loops_mapping.
7587         (scop_record_loop): Call graphite_loops_mapping_insert_child.
7588         (translate_clast): Pass the old loop father in parameter, and pass
7589         it to get_old_iv_from_ssa_name.
7590         (remove_edges_around_useless_blocks, can_generate_code_stmt,
7591         can_generate_code, can_generate_for_scop): New.
7592         (graphite_trans_bb_block): Returns false when it fails to transform.
7593         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
7594
7595 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7596
7597         Reverted all the changes related to the streamization and
7598         loop fusion.
7599         These changes are now tracked in the streamization branch.
7600
7601 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7602             Jan Sjodin  <jan.sjodin@amd.com>
7603
7604         * graphite.c (gbb_compare): Correctly constify.
7605         (gbb_can_be_ignored): Indent.
7606         (graphite_trans_scop_swap_1and2): Add legality check.
7607         Remove dead FIXMEs.
7608
7609 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
7610
7611         Remove fallouts from "Reverted the Condate changes".
7612         * tree.h: Remove unused decl.
7613         * gcc.dg/tree-checker: Same.
7614         * timevar.def: Remove counter.
7615
7616 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
7617
7618         * Merge from mainline (135673:138072).
7619
7620         Reverted the MIRO changes (from 2008-04-05) that are now
7621         tracked in the miro branch.
7622         * tree-bounds.c: Removed.
7623         * tree-bounds.h: Removed.
7624
7625         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
7626         are now tracked in the condate branch.
7627         * tree-check.c: Removed.
7628         * tree-match.c: Removed.
7629         * condate.y: Removed.
7630
7631 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7632
7633         * common.opt: New user flag -floop-block, -floop-strip-mine
7634         and -floop-interchange.
7635         * toplev.c (process_options): Enable -fgraphite pass if any one of the
7636         graphite loop optimization flags is turned on.
7637         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7638         flag_loop_strip_mine and flag_loop_interchange checks before
7639         optimizations.
7640         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7641         -floop-strip-mine and -floop-interchange.
7642         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7643         -fgraphite.
7644         * gcc.dg/graphite/scop-16.c: Ditto.
7645         * gcc.dg/graphite/scop-17.c: Ditto.
7646         * gcc.dg/graphite/scop-18.c: Ditto.
7647
7648 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7649             Sebastian Pop  <sebastian.pop@amd.com>
7650
7651         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7652         (create_empty_loop_on_edge): More fixes.
7653         * tree-phinodes.c (resize_phi_node): Extern.
7654         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7655         * cfghooks.c (update_dominator_information): New split from
7656         split_edge.
7657         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7658         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7659         successor of the function entry block.
7660
7661         * graphite.c: Include pointer-set.h.
7662         (debug_loop_mapping, increment_loop_mapped_depths,
7663         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7664         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7665         swap_loop_mapped_depth_for_num, get_num_from_index,
7666         swap_loop_mapped_depth, loop_iv_stack_debug,
7667         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7668         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7669         get_old_iv_from_ssa_name): New.
7670         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7671         (free_scop): Free SCOP_LOOPS_MAPPING.
7672         (scop_record_loop): Record old ivs.
7673         (create_var_name): Removed.
7674         (initialize_cloog_names): Allocate double space in case strip mine
7675         applies to all loops once.
7676         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7677         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7678         translation.
7679         (graphite_create_new_loop): Pass in ivstack.
7680         (remove_all_edges): Pass in the construction_edge.
7681         (graphite_remove_iv): Removed.
7682         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7683         remove_cond_exprs): Rewritten.
7684         (move_phi_nodes): New.
7685         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7686         (translate_clast): Pass in ivstack.  Rewrite some cases.
7687         (set_cloog_options, debug_clast_stmt): New.
7688         (find_transform): Use set_cloog_options.
7689         (outermost_loop_layer): Removed.
7690         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7691         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7692         mark_old_loops, remove_dead_loops): New.
7693         (gloog): Rewritten.
7694         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7695         (const_column_index, get_first_matching_sign_row_index,
7696         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7697         get_upper_bound): New.
7698         (graphite_trans_bb_strip_mine): Also update the iv map.
7699
7700         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7701         (struct name_tree): Add a loop field.
7702         (struct scop): Add a graphite_loops_mapping field.
7703         (SCOP_LOOPS_MAPPING): New.
7704         (debug_clast_stmt): Declare.
7705         * lambda.h (find_induction_var_from_exit_cond): Declare.
7706         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7707         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7708         (create_empty_loop_on_edge): Updated.
7709         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7710         rename_variables_in_bb): Declare.
7711         * tree-cfg.c (remove_bb): Extern.
7712
7713         * gcc.dg/graphite/block-0.c: New.
7714
7715 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7716             Sebastian Pop  <sebastian.pop@amd.com>
7717
7718         * graphite.c (strip_mine_profitable_p): New.
7719         (graphite_trans_bb_block): Disable strip mining if not profitable.
7720
7721         * gcc.dg/graphite/scop-18.c: New.
7722         * gcc.dg/graphite/scop-17.c: Fixed.
7723         * gcc.dg/graphite/scop-16.c: Fixed.
7724
7725 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7726             Jan Sjodin  <jan.sjodin@amd.com>
7727             Sebastian Pop  <sebastian.pop@amd.com>
7728
7729         * graphite.c (is_interchange_valid): New.
7730         (graphite_trans_bb_block): Check loop nest of basic block for legality
7731         of interchange.
7732
7733         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7734         outer_most_loop, gbb_outer_most_loop_index): New.
7735
7736         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7737         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7738         * gcc.dg/graphite/scop-16.c: New.
7739         * gcc.dg/graphite/scop-17.c: New.
7740
7741 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7742
7743         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7744         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7745
7746 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7747
7748         * graphite.c (new_scop): Initialize SCOP_EXIT.
7749         (scopdet_info): Add.
7750         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7751         (build_scops_1): Cleanup, bugfixes.
7752         (build_scops): Cleanup.
7753
7754         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7755         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7756
7757 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7758
7759         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7760
7761         * gfortran.dg/graphite/graphite.exp: Use
7762         DEFAULT_GRAPHITE_FLAGS.
7763
7764         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7765
7766 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7767
7768         * graphite.c (scan_tree_for_params): Do not assert any more if
7769         MULT_EXPR parameter is negative.
7770
7771         * gfortran.dg/graphite/scop-1.f: New.
7772
7773         * gfortran.dg/graphite/graphite.exp: New.
7774
7775         * gcc.dg/graphite/scop-15.c: New.
7776
7777 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7778
7779         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7780
7781 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7782
7783         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7784         graphite_swap_loops.
7785         (graphite_trans_bb_move_loop): New.
7786         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7787         (graphite_trans_bb_block): New.
7788         (graphite_trans_loop_block): New.
7789         (graphite_trans_scop_swap_1and2): Rename from
7790         graphite_trans_swap_1and2.
7791         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7792         (graphite_trans_scop_block): New.
7793         (graphite_apply_transformations): Rename from
7794         graphite_transformations.
7795
7796         * gcc.dg/graphite/scop-matmult.c: New.
7797
7798 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7799
7800         * graphite.c (gbb_compare): New.
7801         (graphite_sort_gbbs): New.
7802         (gbb_can_be_ignored): New.
7803         (scop_remove_ignoreable_gbbs): New.
7804         (graphite_transformations): Cleanup and add
7805         scop_remove_ignoreable_gbbs.
7806         * lambda.h (lambda_vector_compare): New.
7807
7808 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7809
7810         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7811         (graphite_swap_loops): int -> unsigned
7812         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7813         (graphite_transformations): New.
7814         (graphite_transform_loops): Move to graphite_transformations.
7815         * graphite.h (gbb_nb_loops): Return unsigned.
7816
7817 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7818
7819         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7820         the domain matrix.  This makes scop-0.c work again.
7821
7822 2008-06-20  Richard Guenther  <rguenther@suse.de>
7823
7824         * graphite.h: Adjust copyright to GPLv3.
7825         * graphite.c: Likewise.
7826         (stmt_simple_memref_for_scop_p): Split out from ...
7827         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7828         and simplify.
7829         (get_bb_type): Optimize.
7830         (is_pred): Remove.
7831         (is_bb_addable): Fix memleak, replace is_pred call with
7832         single_pred.
7833         (build_scops): Use current_loops.
7834         (param_index): Fix memleak.
7835
7836 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7837
7838         * graphite.c: Fix formatting.
7839
7840 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7841
7842         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7843         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7844         (create_var_name, save_var_name): Newly defined functions.
7845         (initialize_cloog_names): Part of the code factored out to
7846         save_var_name.
7847         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7848         in clast_reduction statement.
7849         (graphite_create_new_loop): Now takes a new parameter
7850         for outer_loop.
7851         (translate_clast): Now also takes the context_loop and bb_exit
7852         parameters. Rewritten the code so that it creates a gimple code
7853         inside the given context.
7854         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7855         remove_cond_expr, disconnect_cond_expr,
7856         disconnect_virtual_phi_nodes): Newly defined functions.
7857         * graphite.h (struct scop): added old_ivs vector.
7858         SCOP_OLDIVS: New macro.
7859
7860 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7861
7862         * cfgloopmanip.c: Add missing function comments, fix formatting.
7863
7864 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7865
7866         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7867         (create_empty_loop_on_edge): Defined.
7868         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7869         instead of void.
7870         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7871         (update_dominators_in_loop): Declared as extern
7872         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7873
7874 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7875
7876         * graphite.c (print_graphite_bb): Allow changing number of loops
7877         in SCoP domain.
7878         (initialize_cloog_names): Allow changing number of loops.
7879         (build_cloog_prog): Simplify.
7880         (find_transform): Enable cloog option --strides.
7881         (graphite_swap_loops): New.
7882         (graphite_strip_mine_loop): New.
7883         (graphite_trans_swap_1and2): New.
7884         (graphite_trans_strip): New.
7885         (graphite_transform_loops): Add graphite_trans_strip.
7886         * graphite.h (scop_max_loop_depth): New.
7887
7888 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7889
7890         * graphite.c (build_scop_iteration_domain): Remove forgotten
7891         line. (Fixes compile)
7892
7893 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7894
7895         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7896         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7897         (build_bb_loops): New.
7898         (graphite_transform_loops): Add build_bb_loops.
7899         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7900         numbers.
7901         * graphite.h (graphite_bb): Add loops.
7902         (gbb_nb_loops): New.
7903         (gbb_loop_at_index): New.
7904         (gbb_loop_index): New.
7905         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7906         using nb_params_in_scop.
7907
7908 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7909
7910         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7911         (build_scop_canonical_schedules): Build minimized schedule.
7912         (schedule_to_scattering): Adapt to minimized schedule.
7913         * graphite.h (graphite_bb): Add/Update descriptions.
7914
7915 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7916             Tobias Grosser  <grosser@fim.uni-passau.de>
7917
7918         * graphite.c (print_graphite_bb): Add condition printing.
7919         (dump_value): New.
7920         (dump_gbb_conditions): New.
7921         (build_scop_conditions_1): New.
7922         (build_scop_conditions): New.
7923         * graphite.h (graphite_bb): Add conditions.
7924
7925 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7926
7927         * graphite.c (print_graphite_bb):
7928         (free_graphite_bb): New.
7929         (free_scop): Free bbs.
7930         (get_bb_type): Free doms.
7931         (build_scop_context): Free context matrix.
7932         (build_loop_iteration_domains): Remove unused code.
7933         (build_cloog_prog): Free scattering function and blocklist.
7934         (find_transform): Free options.
7935
7936 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7937
7938         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7939         Remove unnecessery cloog data structures. Make a copy of the domain
7940         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7941         unnecessary cloog data structures. Fix memory leaks. Remove insert
7942         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7943         used.
7944         (build_scop_iteration_domain): Remove unnecessary cloog
7945         data structures.  Fix memory leaks.
7946         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7947         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7948
7949 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7950
7951         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7952
7953 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7954
7955         * graphite.c (end_scop): Style fix.
7956         (schedule_to_scattering): Style and comment fix.
7957
7958 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7959         * graphite.c (print_graphite_bb): Fix definiton of
7960         schedule_to_scattering.
7961         (initialize_cloog_names): Change nb_scattdims to max loop
7962         depth in SCoP.
7963         (schedule_to_scattering): Take parameter for number of scattering
7964         dimensions.
7965         (build_cloog_prog): Only build as much scattering dimensions as
7966         necessary.
7967
7968 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7969
7970         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7971         in polyhedron/aermod.f90.
7972
7973 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7974             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7975             Harsha Jagasia  <harsha.jagasia@amd.com>
7976
7977         * graphite.c (is_bb_addable): Fix segfault.
7978
7979 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7980
7981         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7982         with multiple exits and conditional handling in edge cases.
7983         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7984
7985         * gcc.dg/graphite/scop-14.c: New.
7986
7987 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7988             Adrien Eliche  <aeliche@isty.uvsq.fr>
7989
7990         * graphite.c (is_bb_addable): Add more comments and enhance
7991         readablity of the source code. Fix memory leak.
7992         (is_loop_exit): Fix memory leak.
7993
7994 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7995
7996         * graphite.c (first_loop_in_scop): Deleted.
7997         (setup_cloog_loop): Only walk the loop chain for inner loops.
7998         (build_scop_iteration_domain): Execute setup_cloog_loop for
7999         all loops in the first layer.
8000
8001 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
8002
8003         * graphite.c (scan_tree_for_params): Change the way params are
8004         added to be indepenent of the number of loops.
8005         (setup_cloog_loop): Revert to short matrix format. Fix parameter
8006         handling.
8007         (build_cloog_prog): Revert to short matrix format.
8008
8009 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8010             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
8011
8012         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
8013         warning.
8014
8015 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
8016
8017         * graphite.c (nb_data_refs_in_scop): New.
8018         (graphite_transform_loops): Print more stats: number of
8019         loops, basic blocks and data references per scop.
8020
8021 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8022             Jan Sjodin  <jan.sjodin@amd.com>
8023
8024         * graphite.c (loop_affine_expr, idx_record_params,
8025         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
8026         instead of instantiate_parameters.
8027
8028 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8029
8030         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
8031         add support for parameters, add STATIC_SCHEDULE at the right places,
8032         cleanup.
8033
8034 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8035
8036         * graphite.c (build_scop_loop_nests): Only add the loops, that
8037         are contained completely in the SCoP.
8038         (build_cloog_prog): Disable scattering, until schedule_to_scattering
8039         and the domains are fixed.
8040         (build_scop_canonical_schedules): Add support for bbs not contained
8041         in any SCoP.
8042
8043 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8044
8045         * graphite.h (scop_contains_loop): Update comments to match
8046         the actual behavior.
8047         (scop_contains_loop): New.
8048         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
8049
8050 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8051
8052         * graphite.c (get_bb_type): On function body, i.e. loop_0,
8053         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
8054         as GBB_COND_HEADER.
8055
8056 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
8057             Tobias Grosser  <grosser@fim.uni-passau.de>
8058
8059         * graphite.c (graphite_transform_loops): Early return when
8060         there are no loops in the function.
8061
8062 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8063             Jan Sjodin  <jan.sjodin@amd.com>
8064
8065         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
8066         offset of the last loop.
8067         (setup_cloog_loop): Copy the entire outer constraint matrix.
8068
8069 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8070             Jan Sjodin  <jan.sjodin@amd.com>
8071
8072         * graphite.c (stmt_in_scop_p, function_parameter_p,
8073         invariant_in_scop_p): Removed.
8074         (scan_tree_for_params): Can be used with no constraint
8075         matrix for gathering parameters.
8076         (idx_record_params): Don't use idx_record_param, instead use
8077         scan_tree_for_params.
8078         (find_scop_parameters): Same.
8079         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
8080         Fix the size of loop domains.
8081         (schedule_to_scattering): Exit when the outer loop is not in scop.
8082         (find_transform): Enable build_cloog_prog.
8083
8084 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8085             Jan Sjodin  <jan.sjodin@amd.com>
8086
8087         * graphite.c (schedule_to_scattering): Make scattering domains
8088         uniformly of the same size, as required by CLooG 0.14.0 and before.
8089
8090 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
8091             Jan Sjodin  <jan.sjodin@amd.com>
8092
8093         * graphite.c (schedule_to_scattering): Rewrite, correct the
8094         translation of the scheduling function to scattering.
8095         (build_cloog_prog): Call schedule_to_scattering only once.
8096         * graphite.h (scop_loop_index): Do not fail for loops not
8097         in the scop: return -1.
8098
8099 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
8100
8101         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
8102         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
8103         (setup_cloog_loop): Export GBB_DOMAIN.
8104         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
8105         able to rebuild the original control flow.
8106         * graphite.h (graphite_bb): Add domain field and access macro.
8107         (GBB_DOMAIN): New.
8108
8109 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8110
8111         * graphite.c (debug_gbb): New.
8112         (print_scop, build_graphite_bb): Use SCOP_BBS.
8113         (build_scop_bbs): Reimplemented.
8114         (dfs_bb_in_scop_p): Removed.
8115         (build_scop_loop_nests): Reorder loops inserted in
8116         SCOP_LOOP_NEST: outer loops should come first.
8117         (build_scop_canonical_schedules): Reinitialize at zero
8118         the components of the SCOP_STATIC_SCHEDULE for the loops
8119         that have already been parsed.
8120
8121         * graphite.h (debug_gbb): Declared.
8122
8123 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
8124             Jan Sjodin  <jan.sjodin@amd.com>
8125
8126         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
8127         (graphite_loop_to_gcc_loop): Removed.
8128         (remove_all_edges): New.
8129         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
8130         (gloog): Remove useless code.
8131
8132 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8133
8134         * graphite.c (get_bb_type): Reworked. We distinguish between
8135         loops with one or multiple exits.
8136         (is_loop_exit): New.
8137         (is_pred): New.
8138         (is_bb_addable): Rework condition handling, now support for case
8139         case statements and loops with multiple exits.
8140
8141         * gcc.dg/graphite/scop-11.c: New.
8142         * gcc.dg/graphite/scop-12.c: New.
8143         * gcc.dg/graphite/scop-13.c: New.
8144
8145 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8146
8147         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
8148         we have too many colors.
8149
8150 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
8151
8152         * doc/invoke.texi (-ftree-loop-fusion): Document.
8153         * tree-pass.h (pass_loop_fusion): Declared.
8154         * tree-loop-fusion.c: New.
8155         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
8156         * tree-data-ref.c (find_data_references_in_loop): Make extern.
8157         * tree-data-ref.h (find_data_references_in_loop): Declared.
8158         * common.opt (ftree-loop-fusion): Declared.
8159         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
8160
8161 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
8162
8163         * graphite.c (build_access_matrix): Fix typo from the merge.
8164
8165 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
8166
8167         * Merge from mainline (130800:135673).
8168
8169 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8170
8171         * graphite.c (end_scop): The exit of the scop is not part of the scop.
8172         Update dominators after splitting.
8173
8174 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8175
8176         * graphite.c (is_bb_addable): Return the harmful statement.
8177         Factor up some code.
8178         (end_scop): New.  Splits end of scope bbs on a harmful statement.
8179         (build_scops_1): Call end_scop.
8180
8181 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
8182
8183         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
8184         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
8185         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
8186         build_scops_1): Removed.
8187         (build_scops_2): Renamed build_scops_1.
8188
8189 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8190
8191         * graphite.c: Fix formatting.
8192
8193 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8194
8195         * graphite.c (get_bb_type): New.
8196         (move_scops): New.
8197         (build_scops_2): New.
8198         (is_bb_addable): New.
8199         (build_scops): Switch the scop detection.
8200         (build_scop_bbs): Add entry bb to scop.
8201         * graphite.h (struct scop): Update comment.
8202
8203 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8204
8205         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
8206         more colors.
8207
8208 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8209
8210         * gcc.dg/graphite/scop-1.c: Update.
8211         * gcc.dg/graphite/scop-2.c: Update.
8212         * gcc.dg/graphite/scop-4.c: Update.
8213         * gcc.dg/graphite/scop-5.c: Add.
8214         * gcc.dg/graphite/scop-6.c: Add.
8215
8216 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
8217
8218         * gcc.dg/graphite/scop-0.c: Add.
8219         * gcc.dg/graphite/scop-7.c: Add.
8220         * gcc.dg/graphite/scop-8.c: Add.
8221         * gcc.dg/graphite/scop-9.c: Add.
8222         * gcc.dg/graphite/scop-10.c: Add.
8223
8224 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
8225
8226         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
8227         Check affine expressions depending on the outermost loop
8228         instead of a scop.
8229         (stmt_simple_for_scop_p): Same.
8230         (harmfule_stmt_in_scop): Same.
8231
8232 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
8233
8234         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
8235         mark entry and exit, that are not part of the SCoP and update HTML
8236         formatting.
8237
8238 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
8239
8240         * graphite.c (basic_block_simple_for_scop_p): Renamed
8241         harmful_stmt_in_bb.
8242         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
8243         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
8244         (all_preds_visited_p, all_succs_visited_p,
8245         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
8246         scop_end_loop): New.
8247         (build_scops): Do not use dfs_enumerate_from.
8248
8249         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
8250
8251 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8252
8253         * graphite.c: Add comments to functions that are missing a
8254         description.
8255         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
8256
8257 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
8258
8259         * graphite.c (nb_params_in_scop): Moved...
8260         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
8261         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
8262         (clast_to_gcc_expression): Reduce column size to less than 80.
8263         (graphite_create_iv): Return the new name of the IV.
8264         (find_transform): Set options->esp and options->cpp.
8265         (gloog): Comment out the invalidation of the old loop code.
8266         (initialize_dependence_polyhedron): Replace scop_nb_params with
8267         nb_params_in_scop.
8268
8269         * graphite.h (nb_params_in_scop): ... here.
8270         (scop_nb_params): Removed.
8271         (loop_domain_dim): Return something even when the loop was not
8272         found in the hash table: avoid ICEing on all the graphite.exp
8273         testcases.
8274
8275 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8276
8277         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
8278
8279         * graphite.c (build_scop_dynamic_schedules): Schedule is built
8280         according to nesting level.
8281         (find_scop_parameters): Call instantiate_parameters.
8282         (scan_tree_for_params): Extend it to handle general affine bounds.
8283         Inner loop bound can depend on outer loop induction variable.
8284         (setup_cloog_loop): tmp variable is allocated on stack. Call
8285         instantiate_parameters with respect to outermost_loop_in_scop.
8286         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
8287         graphite.h.
8288         (create_empty_loop): Function loopify should be given edge
8289         probability, instead of edge frequency. Dominance relation from
8290         switch_bb to loop_header.
8291         (clast_to_gcc_expression): Added handling of clast_reduction node.
8292         (gloog): New functionality for removing old loop.
8293         (test_dependence): Factored out from build_rdg_all_levels.
8294         (build_rdg_all_levels): Dependence testing factored out to
8295         test_dependence function.
8296
8297         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
8298         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
8299         from graphite.c
8300
8301 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
8302
8303         * graphite.c (free_scop, param_index, initialize_cloog_names,
8304         nb_params_in_scop): Use name_tree map instead of just a tree
8305         for keeping track of the variable name associated to that tree.
8306         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
8307         clast_to_gcc_expression, graphite_create_iv,
8308         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
8309         graphite_stmt_to_gcc_stmt): New.
8310         (gloog): Call these.
8311         * graphite.h (struct name_tree): New.
8312         (struct scop): Use name_tree instead of tree for params.
8313         Store a vector of name_tree for new_ivs.
8314         (SCOP_NEWIVS): New.
8315         (scop_nb_params): Use name_tree instead of tree.
8316
8317 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
8318             Sebastian Pop  <sebastian.pop@amd.com>
8319
8320         * tree-bounds.c: New.
8321         * tree-bounds.h: New.
8322         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
8323         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
8324         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
8325         flag_mudflap.
8326         * gcc.c: Same.
8327         * toplev.c: Same.
8328         * c-cppbuiltin.c: Same.
8329         * c-pragma.c: Same.
8330         * common.opt: Same.
8331         * varasm.c: Same.
8332         * tree-outof-ssa.c: Same.
8333         * c-common.c: Same.
8334         * Makefile.in: Same.
8335
8336 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
8337             Sebastian Pop  <sebastian.pop@amd.com>
8338
8339         * tree-loop-distribution.c (remaining_stmts,
8340         upstream_mem_writes): Removed static variables.
8341         (copy_loop_before, create_bb_after_loop,
8342         mark_nodes_having_upstream_mem_writes, free_rdg_components,
8343         rdg_build_components, rdg_build_partitions,
8344         dump_rdg_partitions): Extern.
8345         (generate_loops_for_partition, generate_code_for_partition): Do not
8346         return a bool.
8347         (already_processed_vertex_p, predecessor_has_mem_write,
8348         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
8349         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
8350         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
8351         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
8352         Pass remaining_stmts and upstream_mem_writes as parameters.
8353         (rdg_component): Moved...
8354         (build_rdg_partition_for_component): Do not aggregate components when
8355         flag_streamize_loops is set.
8356         (gen_sequential_loops): New.
8357         (ldist_gen): Call gen_sequential_loops.
8358
8359         * tree-pass.h (pass_loop_streamization): Declared.
8360
8361         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
8362         basic blocks when loops structures exist.
8363
8364         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
8365
8366         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
8367
8368         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
8369         eliminate_local_variables_stmt, eliminate_local_variables,
8370         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
8371         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
8372         of code delimited by two edges in the CFG.
8373         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
8374         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
8375         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
8376         the case of parallelisation of reductions.
8377         (create_loop_fn): Extern.
8378         (create_omp_parallel_region): New.
8379
8380         * tree-data-ref.c (dump_data_dependence_relation): Don't call
8381         dump_data_reference for printing dra and drb.
8382         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
8383         RDGE_RELATION.
8384         (build_rdg): Don't call free_dependence_relations for the moment, as
8385         we attach dependence relations on each edge of the RDG.
8386         To be fixed later.
8387
8388         * tree-data-ref.h (rdg_component): ...here.
8389         (struct rdg_edge): New field ddr_p relation.
8390         (RDGE_RELATION): New.
8391         (create_bb_after_loop, copy_loop_before,
8392         mark_nodes_having_upstream_mem_writes, rdg_build_components,
8393         rdg_build_partitions, dump_rdg_partitions,
8394         free_rdg_components): Declared.
8395
8396         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
8397         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
8398
8399         * tree-loop-streamization.c: New.
8400
8401         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
8402         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
8403
8404         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
8405
8406         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
8407
8408         * passes.c: Schedule pass_loop_streamization.
8409
8410 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
8411
8412         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
8413         update comment.
8414
8415 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
8416
8417         * graphite.c (dot_all_scops): Update formatting.
8418         Bbs can now be part of more than one SCoP.
8419
8420 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
8421
8422         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
8423         malloc problems.
8424         (loop_domain_dim): Check for unregistered toplev SCOP loop.
8425         * graphite.h (loop_to_cloog_loop): New.
8426
8427 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8428
8429         * graphite.c (loop_domain_dim, ref_nb_loops,
8430         loop_iteration_vector_dim): New.
8431         (build_access_matrix_with_af, build_access_matrix,
8432         initialize_dependence_polyhedron): Fixed for new matrix layout.
8433         No longer assume that all iteration domains are of the same
8434         dimensionality.
8435
8436 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
8437
8438         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
8439         defined in a loop at depth 0 is invariant.
8440         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
8441         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
8442         be called at loop depth 0.
8443
8444         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
8445         a parameter.
8446         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
8447         (down_open_scop): Removed.
8448         (loop_in_scop_p): Redefined.
8449         (scop_affine_expr): New argument: scop.
8450         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
8451         a harmful statement ending a scop.
8452         (basic_block_simple_for_scop_p): New argument: scop.
8453         (get_loop_start): Removed.
8454         (new_scop): Initialize SCOP_LOOPS.
8455         (free_scop): Free SCOP_LOOPS.
8456         (succs_at_same_depth, preds_at_same_depth): New.
8457         (end_scop): Test the validity of a scop.
8458         (add_dominators_to_open_scops): New.
8459         (test_for_scop_bound): Call add_dominators_to_open_scops.
8460         Add cases for opening and closing multiple scops.
8461         (build_scops, build_scop_bbs): Iterate over basic blocks in
8462         depth first order.
8463         (build_graphite_bb): Pass scop directly.
8464         (dfs_bb_in_scop_p): New.
8465         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
8466         several times.
8467         (nb_loops_around_gb): Use loop_in_scop_p.
8468         (schedule_to_scattering): Disabled for the moment the code computing
8469         the "textual order for outer loop".
8470
8471         * graphite.h (struct scop): New field loops.
8472         (SCOP_LOOPS): New.
8473         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
8474
8475         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
8476
8477 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
8478             Sebastian Pop  <sebastian.pop@amd.com>
8479
8480         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
8481         * common.opt (fstreamize-loops): New.
8482         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
8483         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
8484         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
8485         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
8486
8487 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8488
8489         * tree-data-ref.c (build_empty_rdg): New.
8490         (build_rdg): Use it.
8491         * tree-data-ref.h (build_empty_rdg): Declared.
8492         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
8493         (find_vertex_for_stmt): Removed.
8494         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
8495
8496 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8497
8498         * tree-loop-distribution.c (generate_builtin): After cancelling the
8499         loop tree, also delete basic blocks.
8500         (rdg_flag_uses): Stop recursion when a vertex has already been
8501         processed.
8502
8503 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8504
8505         * graphite.c (build_scop_alpha): Removed.
8506         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
8507         and dump_dependence_graph to avoid compiler warnings.
8508
8509 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8510
8511         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
8512         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
8513         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8514         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
8515         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
8516         (initialize_dependence_polyhedron, find_vertex_for_stmt,
8517         initialize_data_dependence_polyhedron, is_empty_polyhedron,
8518         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
8519         dump_dependence_graph): New.
8520         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
8521         (GBB_ALPHA): New.
8522         (struct scop): New field loop2cloog_loop.
8523         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
8524         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
8525
8526 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8527
8528         * graphite.c (build_graphite_bb): Fix initialization
8529         of the graphite basic block.
8530
8531 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
8532
8533         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
8534         loop domain matrix.  Pass in the number of loops contained in the
8535         constraint matrix.
8536         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
8537         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
8538         loops that are not surrounding the current loop are not represented
8539         in the domain constraint matrix.
8540         (build_scop_iteration_domain): Initial domain constraint matrix
8541         contains only the eq/ineq, cst, and scop parameters columns.
8542
8543 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8544
8545         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
8546         (print_graphite_bb): Print scattering.
8547
8548 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8549
8550         * graphite.c (initialize_cloog_names): Initialize names of
8551         scattering variables.
8552
8553 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8554
8555         * graphite.c (dot_all_scops_1): Disable debug output while
8556         printing graph.
8557
8558 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
8559
8560         * graphite.c (find_transform): Change cloog output language to C.
8561
8562 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
8563
8564         * tree-loop-distribution.c (generate_memset_zero,
8565         generate_builtin, generate_code_for_partition,
8566         rdg_flag_all_uses): New.
8567         (rdg_flag_uses): Gather in the same partition the statements defining
8568         the VUSES of the current statement.
8569         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
8570         Gather in the same partition not only the stores to the same memory
8571         access, but also the reads.
8572         (ldist_generate_loops): Renamed ldist_gen.
8573
8574 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
8575             Tobias Grosser  <grosser@fmi.uni-passau.de>
8576
8577         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
8578         next pointer, don't use the inner pointer.
8579
8580 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
8581
8582         * graphite.c (dot_all_scops, dot_all_scops_1): New.
8583         (find_transform): Call dot_all_1.
8584         * graphite.h (dot_all_scops): Declared.
8585
8586 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
8587
8588         * tree-loop-distribution.c: Fix apsi.f ICE.
8589         (create_bb_after_loop): New.
8590         (generate_loops_for_partition): Use it.
8591         * gfortran.dg/ldist-1.f90: New.
8592
8593         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
8594         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
8595
8596 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8597
8598         * graphite.c (find_transform): Dump cloog program sent to cloog.
8599
8600 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8601
8602         * graphite.c (initialize_cloog_names): Initialize cloog
8603         iterator names.
8604
8605 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
8606
8607         * graphite.c (build_scop_context): Fix typo, for the matrix
8608         format: insert '0 >= 0' instead of '-1 >= 0'.
8609
8610 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8611
8612         * Fix merge problems.
8613
8614 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
8615
8616         * graphite.c (setup_cloog_loop): Fix typo.
8617
8618 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8619
8620         * doc/invoke.texi (-ftree-loop-distribution): Documented.
8621         * tree-loop-distribution.c: Reimplemented.
8622         * tree-pass.h (pass_loop_distribution): New.
8623         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
8624         print_loops.
8625         * graphds.h (struct graph): New field indexes.
8626         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8627
8628         * tree-vect-analyze.c: Remove declaration of static functions when not
8629         needed.
8630         * tree-vectorizer.c: Same.
8631         (rename_variables_in_loop): Now extern.
8632         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
8633         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
8634         calling redirect_edge_and_branch_force.
8635
8636         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8637
8638         * tree-data-ref.c: Don't include tree-chrec.h.
8639         (debug_data_dependence_relations): New.
8640         (dump_data_dependence_relation): Call dump_data_reference on data refs
8641         in the relation.
8642         (same_access_functions): Moved...
8643         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8644         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8645         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8646         struct rdg_vertex_info, ): New.
8647         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8648         at DDR_REVERSED_P.
8649         (create_rdg_vertices): Initialize the htab of graph->indexes.
8650         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8651         (stmts_from_loop): Don't save LABEL_EXPR.
8652         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8653         hash_stmt_vertex_del): New.
8654         (build_rdg): Initialize rdg->indexes.
8655         (free_rdg, stores_from_loop, ref_base_address,
8656         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8657         have_similar_memory_accesses_1, ref_base_address_1,
8658         remove_similar_memory_refs): New.
8659
8660         * tree-data-ref.h: Include tree-chrec.h.
8661         (debug_data_dependence_relations): Declared.
8662         (same_access_functions): ...here.  Now static inline.
8663         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8664         ddr_dependence_level): New.
8665         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8666         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8667         RDG_MEM_READS_STMT): New.
8668         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8669         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8670         rdg_vertex_for_stmt): Declared.
8671         (struct rdg_edge): New field level.
8672         (RDGE_LEVEL, free_rdg): New.
8673         (stores_from_loop, remove_similar_memory_refs,
8674         rdg_defs_used_in_other_loops_p,
8675         have_similar_memory_accesses): Declared.
8676         (rdg_has_similar_memory_accesses): New.
8677
8678         * lambda.h (dependence_level): New.
8679         * common.opt (ftree-loop-distribution): New.
8680         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8681         (print_loop_ir): Renamed print_loops.
8682         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8683         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8684         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8685         (tree-loop-distribution.o): Added.
8686         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8687         (mark_virtual_ops_in_bb): New.
8688         (print_loops_bb, debug_loop_num, debug_loop): New.
8689         * passes.c: Scheduled pass_loop_distribution.
8690
8691 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8692
8693         * graphite.c (scan_tree_for_params): Correct the number of columns
8694         for polylib format.
8695         (nb_flat_iterator): New.
8696         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8697         (build_scop_iteration_domain): Correct the number of columns for
8698         polylib format.
8699
8700 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8701
8702         * Merge from mainline (129697:130800).
8703
8704 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8705
8706         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8707         dominated by SCoP's exit.
8708         (graphite_transform_loops): Compute post dominators.
8709
8710 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8711
8712         * Merge from mainline (127169:129697).
8713
8714 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8715
8716         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8717         parameter for the basic block that contains the expression.  Use
8718         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8719         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8720         the expression.
8721         * graphite.h (gbb_loop): New.
8722         (GBB_LOOP): Removed.
8723
8724 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8725
8726         * Makefile.in: Fix merge problem.
8727
8728 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8729
8730         * Merge from mainline (125309:127169).
8731         * tree-loop-distribution.c: Disabled.
8732
8733 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8734
8735         * Merge from mainline (r123693:125309).
8736
8737 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8738
8739         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8740         correct_modify_p
8741         (correct_modify_p, check_statements, number_of_lvalue_uses,
8742         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8743         instead of MODIFY_EXPR.
8744         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8745         and push new edges.
8746
8747 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8748
8749         * tree-loop-distribution.c (struct rdg): Replace arrays by
8750         VECs for edges and vertices.
8751         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8752         (RDGV_NB_PARTITIONS): New.
8753         (PRDG_NBV, PRDG_NBE): Removed.
8754         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8755         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8756         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8757
8758 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8759             Sebastian Pop  <sebpop@gmail.com>
8760
8761         * doc/invoke.texi (-ftree-loop-distribution): Document.
8762         * tree-loop-distribution.c: New file.
8763         * tree-pass.h (pass_loop_distribution): Declared.
8764         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8765         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8766         and set reversed_p.
8767         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8768         (DDR_REVERSED_P): New.
8769         * common.opt (-ftree-loop-distribution): New.
8770         * tree-flow.h (distribute_loops): Declared.
8771         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8772         * passes.c (init_optimization_passes): Schedule loop distribution.
8773
8774 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8775
8776         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8777         (print_scop): Don't print when scop is NULL.
8778         (build_scop_context, find_transform): Don't output to stderr.
8779
8780 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8781
8782         * tree-data-ref.c: Don't include graphite.h.
8783         Comment out the code for printing data reference's scop.
8784         (build_access_matrix_with_af): Moved...
8785         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8786         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8787         (print_graphite_bb): Print basic block's schedule.
8788         (print_scop): Don't print the schedule, call cloog's pretty printer.
8789         (bb_in_scop_p): A basic block is in a scop only if it is both
8790         dominated and postdominated by the scop's entry and exit basic blocks.
8791         (function_parameter_p): New.
8792         (invariant_in_scop_p): Use function_parameter_p.
8793         (new_scop, save_scop): New.
8794         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8795         save_scop.
8796         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8797         (loop_in_scop_p): New.
8798         (scop_record_loop): Use loop_in_scop_p.
8799         (build_scop_domain): Renamed build_scop_iteration_domain.
8800         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8801         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8802         setup_cloog_loop, dot_scop_1, dot_scop): New.
8803         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8804         (struct scop): Add a pointer to cloog's representation of a program.
8805
8806 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8807
8808         * doc/invoke.texi (-ftree-check-verbose): Renamed
8809         -ftree-checks-verbose.
8810         * common.opt (flag_tree_check_verbose): Renamed
8811         flag_tree_checks_verbose.
8812         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8813
8814 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8815
8816         * configure: Regenerated.
8817         * config.in: Regenerated.
8818         * tree-ssa-loop.c (graphite_transforms): Execute
8819         graphite_transform_loops only when HAVE_cloog.
8820         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8821         * graphite.c: Include polylibgmp.h and cloog.h.
8822         (graphite_transform_loops): Removed loops parameter.
8823         * tree-flow.h (graphite_transform_loops): Update declaration.
8824         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8825         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8826         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8827         (OBJS-common): Remove dependence on graphite.o.
8828         (BACKEND): Depend on @GRAPHITE@.
8829
8830 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8831
8832         * doc/invoke.texi (-ftree-check-verbose): Documented.
8833         * gcc.dg/tree-checker/tree-checks-1.c: New.
8834         * gcc.dg/tree-checker/tree-checks-2.c: New.
8835         * gcc.dg/tree-checker/tree-checks-3.c: New.
8836         * gcc.dg/tree-checker/tree-checks-4.c: New.
8837         * gcc.dg/tree-checker/tree-checks.exp: New.
8838         * gcc.dg/tree-checker/condates.crp: New.
8839         * common.opt (ftree-checks-verbose): New.
8840         * tree-check.c (tree_check_warning): Move extra stderr output
8841         under control of flag_tree_check_verbose.
8842
8843 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8844
8845         * tree-match.c: Fix comments formatting.
8846         * tree-match.h: Fix comments formatting.
8847         * tree-check.c: Fix comments formatting.
8848         (tree_check_init): Restructure.
8849
8850 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8851
8852         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8853
8854 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8855
8856         * Merge from mainline (r120733:123693).
8857
8858 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8859
8860         * condate.y: New file.
8861         * tree-match.h (struct patt_info_s): New field sign.
8862         (struct condate_s): New field msg.
8863         (normalize_condate, name_condate, add_condate): New.
8864         (conds[], condate_parse): Made extern.
8865         * tree-check.c (tree_check_warning): First arg changed to cond;
8866         warning reformatted.
8867         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8868         (tree_scan): New.
8869         (tree_check): Process trivial condates.
8870         (read_delimited_string): Removed.
8871         (print_cond): Print name and msg.
8872         (conds[]): Made extern.
8873         (parse_tree_check_file_once): Rewritten to use the parser in
8874         condate.y.
8875         Processing of option --tree_check_string moved to tree_scan().
8876         * Makefile.in: Added condate.y
8877
8878 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8879
8880         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8881         Use VECs instead of varrays.
8882         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8883         * Makefile.in (pretty-print.o): Depend on vec.h.
8884         * pretty-print.c: Include tree.h and vec.h.
8885         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8886         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8887         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8888         pp_free_list): Use VECs instead of varrays.
8889         * pretty-print.h: Do not include varray.h.
8890         (struct tree_chunk_s): Declaration moved before its use.
8891         (output_buffer): Rename varray field to chunks.
8892         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8893         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8894         save_global_holes): Use VECs instead of varrays.
8895         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8896         * tree-check.c (scan_cfg_stmts, push_node,
8897         print_matching_stmt): Removed.
8898         (tree_check_instance, push_global_holes_if_new, tree_check,
8899         execute_tree_check): Use VECs instead of varrays.
8900         (gate_tree_check): Don't execute the CFG check when basic_block_info
8901         is not available.
8902
8903 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8904
8905         * Merge from mainline (r115016:120733).
8906
8907 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8908
8909         * Merge from mainline (r117632:117661).
8910
8911 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8912
8913         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8914         * tree-pass.h (TDF_DEBUG, debug_p): New.
8915         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8916         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8917         get_loop_exit_condition, analyze_evolution_in_loop,
8918         analyze_initial_condition, analyze_scalar_evolution,
8919         instantiate_parameters, number_of_latch_executions): Use debug_p.
8920         * tree-chrec.c (chrec_apply): Use debug_p.
8921         * tree-data-ref.c: Include graphite.h.
8922         (dump_data_reference): Print also the access matrix.
8923         (analyze_array, analyze_indirect_ref, init_data_ref,
8924         analyze_offset_expr, address_analysis, object_analysis,
8925         create_data_ref, finalize_ddr_dependent,
8926         non_affine_dependence_relation, analyze_ziv_subscript,
8927         analyze_siv_subscript_cst_affine,
8928         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8929         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8930         analyze_miv_subscript, analyze_overlapping_iterations,
8931         build_classic_dist_vector, subscript_dependence_tester,
8932         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8933         (build_access_matrix_with_af): No longer static.
8934         * tree-data-ref.h (scop_p): ... declaration here.
8935         (data_reference.scop): New field.
8936         (DR_SCOP, DR_ACCESS_MATRIX): New.
8937         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8938         * graphite.c (print_graphite_bb): Call dump_data_references.
8939         (print_scop): Use scop_nb_loops and scop_dim_domain.
8940         (test_for_scop_bound): Use debug_p.
8941         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8942         scop_nb_params.
8943         (scop_loop_index): Moved...
8944         (scop_record_loop): New.
8945         (build_scop_loop_nests): Use scop_record_loop.
8946         (build_scop_domain): Use scop_dim_domain.
8947         (build_access_matrix): Implemented.
8948         (build_scop_canonical_schedules): Use scop_nb_loops.
8949         (build_graphite_bb): Initialize GBB_SCOP.
8950         * graphite.h (scop_p): Moved...
8951         (graphite_bb.scop): New field.
8952         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8953         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8954         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8955         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8956         scop_loop_index): New.
8957         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8958
8959 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8960
8961         * Merge from mainline (r117661:120450).
8962
8963 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8964
8965         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8966         at the first declaration outside the varying loop, instantiate as
8967         far as possible.
8968         * tree-chrec.c (for_each_scev_op): New.
8969         * tree-chrec.h (for_each_scev_op): Declared.
8970         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8971         * tree-data-ref.c (get_references_in_stmt,
8972         find_data_references_in_stmt): New, from trunk.
8973         (find_data_references_in_loop): Use get_references_in_stmt
8974         and find_data_references_in_loop, modified as in trunk.
8975         (build_access_matrix_with_af): New.
8976         * tree-data-ref.h (data_reference): Add a field access_matrix.
8977         (data_ref_loc): New, as in trunk.
8978         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8979         invariant_in_scop_p, param_index, scan_tree_for_params,
8980         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8981         idx_record_param, idx_record_params, build_access_matrix,
8982         build_scop_data_accesses, build_scop_canonical_schedules,
8983         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8984         build_scop_params): New.
8985         * graphite.h (graphite_bb): New.
8986         (scop): Add fields static_schedule, params, loop_nest,
8987         iteration_domain.
8988         * lambda.h: Declare vecs of lambda_matrix.
8989         * tree-flow.h (print_loop_ir_bb): Declared.
8990         * tree-cfg.c (print_loop_ir_bb): New.
8991         (print_loop): Use print_loop_ir_bb.
8992
8993 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8994
8995         * Merge from mainline (r115016:117632).
8996
8997 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8998
8999         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
9000         break due to a warning.
9001
9002 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
9003
9004         * graphite.c (print_scops, debug_scops): New.
9005         (graphite_transform): Renamed graphite_find_transform.
9006         * graphite.h (debug_scops): Declared.
9007
9008 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
9009
9010         * tree-match.c: Reformat following the GNU style.
9011         * tree-match.h: Reformat following the GNU style.
9012         * tree-pattern.h: Removed empty file.
9013         * Makefile.in: Remove references to tree-pattern.h.
9014         * tree-check.c: Reformat following the GNU style.
9015         (execute_tree_check): Move gate condition code to...
9016         (gate_tree_check): ...here.  New function.
9017         (pass_check): Use the gate function.
9018
9019 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
9020
9021         * tree-pattern.h: New. Tree pattern matching and checking using
9022         concrete syntax.
9023         * tree-check.c: New. Tree/CFG checking pass.
9024         * tree-match.c: New. Library for tree pattern matching.
9025         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
9026         * toplev.c, flags.h: Add globals for tree-check pass.
9027         * Makefile.in: Integrate the files in tree-check pass.
9028         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
9029         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
9030         Introduce a "lazy" pretty-print mode.
9031         * tree.c, tree.h: Add tree_name.
9032
9033 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
9034
9035         * doc/invoke.texi (-fgraphite): Correct typo.
9036         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
9037         use of print_loop_ir.
9038         * gcc.dg/graphite/scop-1.c: New.
9039         * gcc.dg/graphite/scop-2.c: New.
9040         * gcc.dg/graphite/graphite.exp: New.
9041         * graphite.c: Include domwalk.h.
9042         (print_scop): Print only the entry and exit blocks.
9043         (debug_scop): No longer static.
9044         (affine_expr): Fix formating.  Return also true when the expression is
9045         constant.
9046         (stmt_simple_for_scop_p): Fix formating.
9047         (build_scops): Use domwalk.
9048         (get_loop_start, end_scop, test_for_scop_bound): New.
9049         (graphite_transform_loops): Avoid printing on stderr.
9050         * graphite.h (debug_scop): Declared.
9051         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
9052         * Makefile.in (graphite.o): Depend on domwalk.h.
9053         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
9054         declarations for static functions.
9055         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
9056         controlling output verbosity.
9057
9058 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
9059             Plesco Alexandru  <shurikx@gmail.com>
9060
9061         * doc/invoke.texi (-fgraphite): Document.
9062         * tree-pass.h (pass_graphite_transforms): Declared.
9063         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
9064         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
9065         (pass_graphite_transforms): Defined.
9066         * tree-data-ref.c (free_data_ref, data_reference): Extern.
9067         * tree-data-ref.h (free_data_ref, data_reference): Declared.
9068         * graphite.c, graphite.h: New.
9069         * common.opt (fgraphite): Declared.
9070         * tree-flow.h (graphite_transform_loops): Declared.
9071         * Makefile.in (OBJS-common): Add graphite.o.
9072         (graphite.o): New rule.
9073         * passes.c (pass_graphite_transforms): Scheduled.
9074