gcc/ChangeLog.graphite

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