gcc/ChangeLog.graphite

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