gcc/ChangeLog.graphite

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