gcc/ChangeLog.graphite

   1 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/42180
   4         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
   5         that contain only one statement.
   6
   7 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         PR middle-end/42393
  10         * testsuite/gfortran.dg/graphite/pr42393.f90: New.
  11
  12 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  13
  14         PR middle-end/42186
  15         * testsuite/gfortran.dg/graphite/pr42186.f90: New.
  16
  17 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  18
  19         PR middle-end/42205
  20         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
  21         Insert the reduction copy in the same block as the phi node.
  22         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
  23
  24         * testsuite/gcc.dg/graphite/pr42205-1.c: New.
  25         * testsuite/gcc.dg/graphite/pr42205-2.c: New.
  26
  27 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         PR middle-end/42221
  30         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
  31         the array indexing of ADDR_EXPRs.
  32
  33         * testsuite/gcc.dg/graphite/pr42221.c: New.
  34
  35 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         PR middle-end/42178
  38         PR middle-end/42334
  39         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
  40         index.  Call lst_interchange_select_inner only once.
  41         (lst_interchange_select_inner): Update use of lst_try_interchange.
  42         (lst_interchange_select_outer): Update.
  43
  44 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         PR middle-end/42178
  47         PR middle-end/42334
  48         * graphite-interchange.c (lst_try_interchange): Do not increment the
  49         the OUTER index when there is no AFTER kernel.  Do not increment the
  50         OUTER index for after processing the AFTER kernel.
  51         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
  52         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
  53         index.  Do not pass to lst_interchange_select_inner the OUTER index.
  54         (scop_do_interchange): Update use of lst_interchange_select_outer.
  55
  56         * testsuite/gfortran.dg/graphite/graphite.exp
  57         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
  58         * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
  59         the graphite dump file.
  60         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
  61         * testsuite/gfortran.dg/graphite/pr42334-1.f: New.
  62
  63 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
  64
  65         PR middle-end/42178
  66         PR middle-end/42334
  67         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
  68         that are empty.
  69         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
  70         (lst_try_interchange): Reimplemented.
  71         (lst_interchange_select_inner): Same.
  72         (lst_do_interchange): Renamed lst_interchange_select_outer.
  73         Reimplemented.
  74         (scop_do_interchange): Update use of lst_interchange_select_outer.
  75
  76         * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
  77         * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
  78         * testsuite/gcc.dg/graphite/pr42211.c: New.
  79         * testsuite/gfortran.dg/graphite/pr42334.f90: New.
  80
  81 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/42181
  84         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
  85         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
  86
  87         * testsuite/gfortran.dg/graphite/pr42181.f90: New.
  88
  89 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
  90
  91         PR middle-end/42284
  92         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
  93         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
  94         (detect_commutative_reduction_arg): Simplified.
  95         (detect_commutative_reduction): Early return when the argument of
  96         the close phi is not of an SSA_NAME.
  97
  98         * testsuite/gcc.dg/graphite/pr42284.c: New.
  99
 100 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 101
 102         * dbgcnt.def (graphite_scop): New counter.
 103         * graphite.c: Include dbgcnt.h
 104         (graphite_transform_loops): Use new counter to limit transformations.
 105
 106 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 107
 108         PR middle-end/42285
 109         * graphite-scop-detection.c (graphite_can_represent_init): Also
 110         handle more complex MULT_EXPRs containing parameters by recursion
 111         on the structure.
 112
 113         * testsuite/gfortran.dg/graphite/pr42285.f90: New.
 114
 115 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 116
 117         * testsuite/g++.dg/graphite/pr42130.C: Fix type.
 118
 119 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 120
 121         * testsuite/g++.dg/graphite/pr42130.C: Correct testcase.
 122
 123 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 124
 125         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 126         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 127
 128 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 129
 130         PR middle-end/42130
 131         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 132         translate_clast_for_loop): New.
 133         (translate_clast_for): Add a condition around the loop, to do not
 134         execute loops with zero iterations.
 135         * testsuite/g++.dg/graphite/pr42130.C: New.
 136         * testsuite/gcc.dg/graphite/pr35356-2.c: Adapt.
 137
 138 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 139
 140         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 141         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 142         Remove context_loop and level.
 143
 144 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 145
 146         * graphite-clast-to-gimple.c (translate_clast_user,
 147         translate_clast_for, translate_clast_guard): Simplify and move common
 148         elements to translate_clast().
 149         (translate_clast): Simplify and get common elements.
 150
 151 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 152
 153         * graphite-clast-to-gimple.c (translate_clast_user,
 154         translate_clast_for, translate_clast_guard): Split out of
 155         translate_clast.
 156
 157 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 158
 159         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 160         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 161         debug_clast_name_indexes_1, debug_clast_name_indexes,
 162         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 163         (clast_name_to_gcc, clast_to_gcc_expression,
 164         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 165         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 166         graphite_create_guard_cond_expr, graphite_create_new_loop,
 167         translate_clast): Add params_index.
 168         (initialize_cloog_names): Create parameter strings from scratch, do
 169         not reference other strings.
 170         (create_params_index): New.
 171         (gloog): Initialize params_index.
 172         * graphite-scop-detection (free_scops_1): Removed.
 173         (limit_scops): Use normal free_scops.
 174         * graphite-sese-to-poly.c (save_var_names): Removed.
 175         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 176         and SESE_PARAMS_INDEX.
 177         * sese.c (new_sese, free_sese): Dito.
 178         * sese.h (struct sese): Remove params_index, params_names.
 179         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 180
 181 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         Revert the following patch from 2009-09-14:
 184         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 185         tree-scalar-evolution.h, and then tree-data-ref.h.
 186         * graphite-clast-to-gimple.c: Same.
 187         * graphite-dependences.c: Same.
 188         * graphite-interchange.c: Same.
 189         * graphite-poly.c: Same.
 190         * graphite-scop-detection.c: Same.
 191         * graphite-sese-to-poly.c: Same.
 192         * graphite.c: Same.
 193         * lambda-code.c: Same.
 194         * matrix-reorg.c: Same.
 195         * tree-data-ref.c: Same.
 196         * tree-if-conv.c: Same.
 197         * tree-loop-distribu: Same.: Same.
 198         * tree-loop-linear.c: Same.
 199         * tree-parloops.c: Same.
 200         * tree-predcom.c: Same.
 201         * tree-vect-patterns.c: Same.
 202
 203 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         Revert patch from 2009-09-14.
 206         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 207         passes at -O1 and below.
 208
 209 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 210
 211         PR middle-end/40281
 212         * testsuite/gcc.dg/graphite/pr40281.c: New.
 213
 214         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 215         evolutions should not variate in inner loops.
 216
 217 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         PR middle-end/42050
 220         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
 221
 222 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 223
 224         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 225         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 226
 227 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         * graphite-blocking.c (scop_do_block): New.
 230         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 231         * graphite-poly.h (scop_do_block): Declared.
 232
 233 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 234
 235         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 236         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 237         to transform depth into the time_depth before calling
 238         pbb_number_of_iterations_at_time.
 239         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 240         lst_depth.
 241
 242 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         Reverted the patch for "scattering permutations" from 2009-10-28.
 245
 246         * graphite-poly.c (print_permutation): New.
 247         (debug_permutation): New.
 248         (new_poly_bb): Initialize PBB_PERMUTATION.
 249         (free_poly_bb): Free PBB_PERMUTATION.
 250         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 251         (struct pbb_permutation_elt): New.
 252         (PBB_PERMUTATION_ELT_STRIDE): New.
 253         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 254         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 255         (new_pbb_permutation_elt): New.
 256         (pbb_permutation_elt_free): New.
 257         (struct poly_bb): Add field permutation.
 258         (PBB_PERMUTATION): New.
 259         (print_permutation): Declared.
 260         (debug_permutation): Declared.
 261
 262 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 263
 264         * graphite-interchange.c (build_partial_difference): New.
 265         (memory_stride_in_loop): Refactored the computation of
 266         equality constraints into build_partial_difference function.
 267         Added support for debugging stride computations.
 268
 269 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         * graphite-clast-to-gimple.c (gloog): Free if_region,
 272         if_region->true_region, and if_region->region.
 273         * sese.c (if_region_set_false_region): Free if_region->false_region.
 274         (create_if_region_on_edge): Do not use GGC_NEW.
 275         (move_sese_in_condition): Remove useless initialization.
 276
 277 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 280         for the loops created by the loop distribution.  Do not modify the
 281         input LSTs.
 282         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 283         transformed schedule.  Call lst_update_scattering before data
 284         dependence analysis.
 285         (lst_try_interchange): Pass an extra parameter INDEX.
 286         (lst_do_interchange_1): New.
 287         (lst_do_interchange): Call lst_do_interchange_1.
 288         (scop_do_interchange): Call lst_update_scattering.
 289         * graphite-poly.c (apply_poly_transforms): Do not call
 290         lst_update_scattering.
 291         * graphite-poly.h (lst_pred): New.
 292         (lst_succ): New.
 293         (lst_find_first_pbb): Return NULL when not found.
 294         (lst_empty_p): New.
 295         (lst_insert_in_sequence): Allow LST1 to be NULL.
 296         (lst_replace): New.
 297         (lst_substitute_3): New.
 298         * gcc.dg/graphite/interchange-1.c: XFail.
 299         * gcc.dg/graphite/interchange-8.c: XFail.
 300         * gcc.dg/graphite/interchange-11.c: XFail.
 301
 302 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-interchange.c (lst_perfectly_nested_p): New.
 305         (lst_perfect_nestify): New.
 306         (lst_try_interchange_loops): Call store_lst_schedule,
 307         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 308         (scop_do_interchange): Avoid redundant legality test.
 309         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 310         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 311         * graphite-poly.h (psct_static_dim): New.
 312         (lst_dewey_number_at_depth): New.
 313         (lst_find_pbb): Restructured.
 314         (lst_find_first_pbb): Restructured.
 315         (lst_find_last_pbb): New.
 316         (lst_contains_p): New.
 317         (lst_contains_pbb): New.
 318         (lst_create_nest): New.
 319         (lst_remove_from_sequence): New.
 320         (pbb_update_scattering): New.
 321         (lst_update_scattering_under): New.
 322         (lst_update_scattering_seq): New.
 323         (lst_update_scattering): New.
 324         (lst_insert_in_sequence): New.
 325         (lst_distribute_lst): New.
 326         (lst_remove_all_before_including_pbb): New.
 327         (lst_remove_all_before_excluding_pbb): New.
 328
 329 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 330
 331         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 332         get_loop_exit_edges.
 333
 334 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 337
 338 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 339
 340         * graphite-poly.c (print_permutation): New.
 341         (debug_permutation): New.
 342         (new_poly_bb): Initialize PBB_PERMUTATION.
 343         (free_poly_bb): Free PBB_PERMUTATION.
 344         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 345         (struct pbb_permutation_elt): New.
 346         (PBB_PERMUTATION_ELT_STRIDE): New.
 347         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 348         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 349         (new_pbb_permutation_elt): New.
 350         (pbb_permutation_elt_free): New.
 351         (struct poly_bb): Add field permutation.
 352         (PBB_PERMUTATION): New.
 353         (print_permutation): Declared.
 354         (debug_permutation): Declared.
 355
 356 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 357
 358         * graphite-clast-to-gimple.c (gloog): Do not call
 359         sese_reset_aux_in_loops.
 360         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 361         extra argument for domains.  Do not use loop->aux.
 362         (build_scop_iteration_domain): Initialize and free domains, pass it
 363         to build_loop_iteration_domains and extract the information from
 364         domains.  Do not use loop->aux.
 365         * sese.c (sese_reset_aux_in_loops): Removed.
 366         * sese.h (sese_reset_aux_in_loops): Removed.
 367
 368 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 369
 370         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 371         (dependency_in_loop_p): Same.
 372         (translate_clast): Do not use loop->aux.  Initialize
 373         loop->can_be_parallel.
 374         (mark_loops_parallel): Removed.
 375         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 376         * graphite.c (free_aux_in_new_loops): Removed.
 377         (graphite_finalize): Do not call free_aux_in_new_loops.
 378         (graphite_transform_loops): Do not call mark_loops_parallel.
 379
 380 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 381
 382         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 383         (translate_clast): Pass an extra parameter LEVEL.
 384         Call get_scattering_level.
 385         * graphite-clast-to-gimple.h (get_scattering_level): New.
 386
 387 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 390         * cfgloop.h (struct loop): New field single_iv.
 391
 392         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 393         loop->aux anymore: use loop->single_iv.
 394         (graphite_loop_normal_form): Moved...
 395         (build_graphite_loop_normal_form): Removed.
 396         (gloog): Do not call build_graphite_loop_normal_form.
 397         (free_aux_in_new_loops): Moved...
 398         (mark_loops_parallel): Restructure.
 399         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 400         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 401         (scop_canonicalize_loops): New.
 402         (build_poly_scop): Call scop_canonicalize_loops.
 403         * graphite.c (free_aux_in_new_loops): ...here.
 404
 405 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * g++.dg/graphite/graphite.exp: Add the same rules as in
 408         gcc.dg/graphite/graphite.exp.
 409
 410 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 411
 412         * g++.dg/graphite/id-1.C: New.
 413
 414 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 415
 416         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 417         argument base_name.
 418         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 419         (rewrite_phi_out_of_ssa): Same.
 420         (rewrite_cross_bb_scalar_deps): Same.
 421         (translate_scalar_reduction_to_array): Same.
 422
 423 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 424
 425         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 426         dump_alias_graphs.
 427
 428 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 431         (build_scop_drs): Call dump_alias_graphs.
 432
 433 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 434
 435         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 436         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 437         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 438         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 439         * graphite-poly.h (free_lst): New.
 440         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 441         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 442
 443 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * graphite-poly.h (struct scop): Add a field saved_schedule.
 446         (SCOP_SAVED_SCHEDULE): New.
 447         (store_lst_schedule): New.
 448         (restore_lst_schedule): New.
 449         (store_scattering): Call store_lst_schedule.
 450         (restore_scattering): Call restore_lst_schedule.
 451
 452 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 455         (pdr_add_alias_set): Same.
 456         (build_poly_dr): Same.
 457         (build_alias_set_optimal_p): Same.
 458         (build_base_obj_set_for_drs): Same.  Do not store the result of
 459         graphds_dfs.
 460
 461 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 462
 463         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 464         all_components_are_cliques to 1.
 465
 466 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 467
 468         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 469         the new structure.
 470         (pdr_add_alias_set): Update retrieving alias_set_num.
 471         (build_poly_dr): Update retrieving dr_base_object_set.
 472         (partition_drs_to_sets): Remove.
 473         (build_alias_set_optimal_p): New.
 474         (build_alias_set_for_drs): Rename.
 475         (build_scop_drs): Update.
 476         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 477         (ALIAS_SET_INDEX): Remove.
 478         (BASE_OBJECT_SET_INDEX): Remove.
 479
 480 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 481
 482         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 483
 484 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 487         loop upper bounds for 1-element arrays at end of structures.
 488         * tree-flow.h (array_at_struct_end_p): Declared.
 489         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 490
 491 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * g++.dg/graphite/pr41305.C: New.
 494
 495 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 496
 497         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 498         construction of parameter constraints from loop iteration analysis.
 499         * gcc.dg/graphite/run-id-2.c: New test.
 500
 501 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 502
 503         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 504         and new_cstr.
 505
 506 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-dependences.c (dependence_polyhedron_1): Remove
 509         unused gdim dimensions from the DDR polyhedron.
 510
 511 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 512
 513         * graphite-dependences.c (pddr_transformed_scattering): New.
 514         (dot_original_deps_stmt_1): New.
 515         (dot_transformed_deps_stmt_1): New.
 516         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 517         dot_transformed_deps_stmt_1.
 518         (dot_original_deps): New.
 519         (dot_transformed_deps): New.
 520         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 521
 522 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * graphite-dependences.c (reduction_dr_1): Remove wrong
 525         assert: reduction BBs can have multiple reduction writes
 526         to memory.  interchange-3.f90 is an example.
 527
 528 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 529
 530         * gfortran.dg/graphite/interchange-3.f90: New.
 531
 532 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 533
 534         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 535
 536 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite-dependences.c (dependence_polyhedron_1): Add the
 539         context to the dependence polyhedron.
 540
 541 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 542
 543         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 544         PBB_PDR_DUPLICATES_REMOVED.
 545         (new_poly_bb): Same.
 546
 547 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 550         SCOP_CONTEXT.
 551         (build_loop_iteration_domains): Extract bounds on parameters
 552         based on the data size.
 553         (build_scop_context): Do not initialize SCOP_CONTEXT;
 554         add new constraints.
 555
 556 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 559         * graphite-ppl.h (graphite-ppl.h): Declared.
 560
 561 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-ppl.c (ppl_print_linear_expr): New.
 564         (debug_ppl_linear_expr): New.
 565         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 566         (debug_ppl_linear_expr): Declared.
 567
 568 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 569
 570         * graphite-interchange.c: Fix comments.
 571         * gcc.dg/graphite/block-1.c: Fix comments.
 572
 573 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 576         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 577
 578 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 579
 580         Reapply the patch from Alexander Monakov that disappeared during
 581         the last merges from trunk.
 582
 583         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 584
 585         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 586         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 587
 588 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-interchange.c (memory_stride_in_loop): The depth
 591         argument corresponds to a dynamic time dimension, so use
 592         psct_dynamic_dim to refer to the transformed scattering dimension.
 593
 594 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 597
 598 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 601         root of the LST.
 602         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 603         the root of the LST.
 604         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 605         fake loop.
 606         (print_lst): Print the root of LST in a different format.
 607         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 608
 609 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 610
 611         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 612
 613 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         * doc/passes.texi: Document the Graphite infrastructure.
 616
 617 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 620         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 621         and check the SSA representation.
 622
 623         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 624
 625 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 626
 627         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 628
 629 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * gcc.dg/graphite/interchange-11.c: New.
 632
 633 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 636
 637 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 638
 639         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 640         Add -fno-loop-strip-mine and -fno-loop-interchange.
 641         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 642         -fno-loop-strip-mine.
 643         * gfortran.dg/graphite/graphite.exp: Same.
 644
 645 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 646
 647         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 648         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 649         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 650         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 651         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 652         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 653         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 654         DEFAULT_FLAGS_GRAPHITE_SCOP.
 655         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 656         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 657
 658 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 659
 660         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 661
 662 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 663             Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-interchange.c (build_linearized_memory_access): Pass an
 666         offset as parameter.
 667         (memory_stride_in_loop): Include transform scattering in the
 668         access functions to be able to querry the strides in the
 669         transformed loops.
 670         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 671         not the psct_iterator_dim.
 672
 673 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 676         (lst_do_strip_mine_loop): New.
 677         (lst_do_strip_mine): New.
 678         (scop_do_strip_mine): Call lst_do_strip_mine.
 679         * graphite-poly.h (lst_add_loop_under_loop): New.
 680         (lst_find_first_pbb): New.
 681
 682 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-poly.c (loop_to_lst): Fix LST creation.
 685
 686 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 687
 688         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 689         sizeof(unsigned long) to make it run on 32bit systems.
 690
 691 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 692
 693         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 694         SEGFAULT on 32bit.
 695
 696 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 697
 698         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 699         Comment.
 700         (write_alias_graph_to_ascii_dot): New.
 701         (write_alias_graph_to_ascii_ecc): Ditto.
 702         (partition_drs_to_sets): Add testing of optimality of current method
 703         which assigns alias numbers according to DFS Comopnent number.  used
 704         as heuristic for the upcoming ECC algorithm.
 705         (build_scop_drs): Write to file also with the ecc and dot format.
 706
 707 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * gfortran.dg/graphite/interchange-1.f: XFail.
 710
 711 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * graphite.c (graphite_initialize): Do not handle functions with
 714         more than 100 basic blocks.
 715
 716 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 717
 718         * graphite-blocking.c (pbb_do_strip_mine): Use
 719         PARAM_LOOP_BLOCK_TILE_SIZE.
 720
 721 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 722
 723         * graphite-poly.c (dot_lst_1): New.
 724         (dot_lst): New.
 725         * graphite-poly.h (dot_lst): Declared.
 726
 727 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * graphite-dependences.c (dot_deps_stmt_1): New.
 730         (dot_deps_stmt): New.
 731         * graphite-dependences.h (dot_deps_stmt): Declared.
 732
 733 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 736         not replace cross BB scalar dependences ending on PHI nodes.
 737         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 738
 739 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 740
 741         * graphite-poly.c (apply_poly_transforms): Implement the high
 742         level driver for flag_loop_block.
 743         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 744         flag_loop_block.
 745
 746         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 747         -floop-block.
 748         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 749         Add -floop-block.
 750
 751 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * graphite-poly.h (lst_find_pbb): New.
 754         (find_lst_loop): New.
 755
 756 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 757
 758         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 759         * graphite-poly.h (struct scop): Remove dep_graph field.
 760         (SCOP_DEP_GRAPH): Removed.
 761
 762 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * graphite-poly.h (copy_lst): Do full copy of LST.
 765
 766 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 767
 768         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 769         when the loop stride is zero.
 770
 771         * gcc.dg/graphite/id-16.c: New.
 772
 773 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 774
 775         * graphite-dependences.c (reduction_dr_1): New.
 776         (reduction_dr_p): New.
 777         (graphite_legal_transform_dr): Call reduction_dr_p.
 778         (reduction_ddr): Renamed reduction_ddr_p.
 779         * graphite-poly.h (same_pdr_p): New.
 780         (number_of_write_pdrs): New.
 781         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 782         (split_reduction_stmt): Do not split reduction statements
 783         when there are no writes to memory.
 784         (translate_scalar_reduction_to_array_for_stmt): Insert the
 785         memory reduction statement just after the scalar reduction statement.
 786
 787         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 788         Un-XFAIL-ed.
 789         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 790         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 791
 792 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 793
 794         * graphite-interchange.c (lst_apply_interchange): New.
 795         (lst_interchange_profitable_p): New.
 796         (lst_try_interchange_loops): New.
 797         (lst_try_interchange): New.
 798         (lst_do_interchange): New.
 799         (pbb_do_interchange): Removed.
 800         (scop_do_interchange): Call lst_do_interchange.
 801
 802 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 803
 804         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 805         SCOP_TRANSFORMED_SCHEDULE.
 806         (loop_to_lst): New.
 807         (scop_to_lst): New.
 808         (print_lst): New.
 809         (debug_lst): New.
 810         * graphite-poly.h (lst_p): New.
 811         (struct lst): New.
 812         (LST_LOOP_P): New.
 813         (LST_LOOP_FATHER): New.
 814         (LST_PBB): New.
 815         (LST_SEQ): New.
 816         (scop_to_lst): Declared.
 817         (print_lst): Declared.
 818         (debug_lst): Declared.
 819         (new_lst_loop): New.
 820         (new_lst_stmt): New.
 821         (copy_lst): New.
 822         (lst_depth): New.
 823         (lst_dewey_number): New.
 824         (struct scop): Add original_schedule and transformed_schedule fields.
 825         (SCOP_ORIGINAL_SCHEDULE): New.
 826         (SCOP_TRANSFORMED_SCHEDULE): New.
 827         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 828
 829 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 830
 831         * graphite-dependences.c (reduction_ddr): New.
 832         (graphite_legal_transform_bb): Call reduction_ddr.
 833         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 834         Initialize PBB_IS_REDUCTION.
 835         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 836         (PBB_IS_REDUCTION): New.
 837         (new_poly_bb): Update declaration.
 838         * graphite-scop-detection.h (build_scop_bbs): Removed.
 839         (nb_reductions_in_loop): Removed.
 840         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 841         parameter for reductions.
 842         (try_generate_gimple_bb): Update call to new_poly_bb.
 843         (build_scop_bbs_1): Same.
 844         (build_scop_bbs): Same.
 845         (gsi_for_phi_node): New.
 846         (scalar_close_phi_node_p): Remove gcc_assert.
 847         (split_reduction_stmt): New.
 848         (is_reduction_operation_p): New.
 849         (phi_contains_arg): New.
 850         (follow_ssa_with_commutative_ops): New.
 851         (detect_commutative_reduction_arg): New.
 852         (detect_commutative_reduction_assign): New.
 853         (follow_inital_value_to_phi): New.
 854         (edge_initial_value_for_loop_phi): New.
 855         (initial_value_for_loop_phi): New.
 856         (detect_commutative_reduction): New.
 857         (translate_scalar_reduction_to_array_for_stmt): New.
 858         (insert_copyout): New.
 859         (insert_copyin): New.
 860         (translate_scalar_reduction_to_array): New.
 861         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 862         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 863         (rewrite_commutative_reductions_out_of_ssa): New.
 864         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 865         * sese.h (split_region_for_bb): New.
 866
 867         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 868         * gcc.dg/graphite/interchange-1.c: Fix format.
 869         * gcc.dg/graphite/interchange-10.c: New.
 870
 871 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 874         buggy assert.
 875
 876 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 877
 878         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 879         (rewrite_cross_bb_scalar_dependence): New.
 880         (rewrite_cross_bb_scalar_deps): New.
 881         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 882         Call rewrite_cross_bb_scalar_deps.
 883
 884 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 885
 886         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 887         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 888         gsi_for_stmt.
 889
 890 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 893         * graphite-interchange.c (pbb_do_interchange): Same.
 894         * graphite-poly.c (print_scattering_function): Same.
 895         (debug_pdrs): Same.
 896         * graphite-poly.h (pbb_loop): New.
 897         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 898
 899 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 900
 901         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 902
 903 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 906         so don't pass a pointer to it.
 907         (build_alias_set_for_drs): Same.
 908         (build_base_obj_set_for_drs): Same.
 909         (build_scop_drs): Same.
 910
 911 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 912
 913         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 914         the alias graph of data references.
 915
 916 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 917
 918         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 919         (build_scop_drs): When debugging, write the alias graph to file,
 920         otherwise, should be disabled.
 921
 922 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 925         (is_simple_operand): Remove call to stmt_simple_memref_p.
 926         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 927
 928 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 929
 930         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 931         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 932         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 933         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 934         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 935
 936 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 937
 938         PR middle-end/41118
 939         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 940         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 941         (graphite_carried_dependence_level_k): Ditto.
 942         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 943         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 944         (new_poly_dr): Adjust declaration.
 945         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 946         (free_gimple_bb): Added free_data_refs_aux.
 947         (build_poly_dr): Add dr_base_object_set.
 948         (partition_drs_to_sets): New.
 949         (dr_same_base_object_p): New.
 950         (build_alias_set_for_drs): New.
 951         (build_base_object_set_for_drs): New.
 952         (build_scop_drs): Add build_base_obj_set_for_drs.
 953         * graphite-sese-to-poly.h: Added #define for alias set number index and
 954         base object set index.
 955         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 956         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 957
 958 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 959
 960         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 961         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 962
 963 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         * graphite-sese-to-poly.c (struct irp_data): Removed.
 966         (idx_record_params): Removed.
 967         (find_params_in_bb): Scan for parameters the access functions; don't
 968         parse the tree representation.
 969
 970 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 971
 972         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 973         passes at -O1 and below.
 974
 975 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 976
 977         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 978         tree-scalar-evolution.h, and then tree-data-ref.h.
 979         * graphite-clast-to-gimple.c: Same.
 980         * graphite-dependences.c: Same.
 981         * graphite-interchange.c: Same.
 982         * graphite-poly.c: Same.
 983         * graphite-scop-detection.c: Same.
 984         * graphite-sese-to-poly.c: Same.
 985         * graphite.c: Same.
 986         * lambda-code.c: Same.
 987         * matrix-reorg.c: Same.
 988         * tree-data-ref.c: Same.
 989         * tree-if-conv.c: Same.
 990         * tree-loop-distribu: Same.: Same.
 991         * tree-loop-linear.c: Same.
 992         * tree-parloops.c: Same.
 993         * tree-predcom.c: Same.
 994         * tree-vect-patterns.c: Same.
 995
 996 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 997
 998         Partially revert the previous patch, except the following.
 999         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1000         as parameters the operands of the not expression.
1001
1002 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1003
1004         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1005         Do not call analyze_scalar_evolution on assignments.
1006         (instantiate_scev_phi): Call analyze_scalar_evolution.
1007         (instantiate_scev_name): Call instantiate_scev_assign and
1008         instantiate_scev_phi.
1009         (instantiate_scev_not): Adapted to pass as parameters the operands
1010         of the not expression.
1011
1012 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1015         to pass as parameters the operands of the binary expression.
1016
1017 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1020         instantiate_scev_not.  Handle NEGATE_EXPR.
1021         (instantiate_scev_r): Handle NEGATE_EXPR.
1022
1023 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1026         instantiate_scev_r.
1027         (instantiate_scev_r): Move code in instantiate_scev_2
1028         and instantiate_scev_1.
1029
1030 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         * tree-scalar-evolution.c (instantiate_scev_3): New.
1033         (instantiate_scev_1): Move code in instantiate_scev_3.
1034
1035 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1036
1037         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1038         (instantiate_scev_1): Move code in instantiate_scev_poly.
1039
1040 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1041
1042         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1043         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1044
1045 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1048         (instantiate_scev_1): Move code in instantiate_scev_convert.
1049
1050 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1053         (instantiate_scev_1): Move code in instantiate_scev_binary.
1054
1055 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * tree-scalar-evolution.c (instantiate_scev_name): New.
1058         (instantiate_scev_1): Move code in instantiate_scev_name.
1059
1060 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * Merge from mainline (150992:151171).
1063
1064 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         * graphite-dependences.c (graphite_legal_transform_bb): Call
1067         pbb_remove_duplicate_pdrs.
1068         * graphite-poly.c (can_collapse_pdr): Removed.
1069         (pdr_find_duplicate): Removed.
1070         (can_collapse_pdrs): New.
1071         (pbb_remove_duplicate_pdrs): New.
1072         (new_poly_dr): Do not look for duplicates.
1073         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1074         (PBB_PDR_DUPLICATES_REMOVED): New.
1075         (pbb_remove_duplicate_pdrs): Declared.
1076
1077 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1080         the strides by multiplying by PDR_NB_REFS.
1081         * graphite-poly.c (can_collapse_pdr): New.
1082         (pdr_find_duplicate): New.
1083         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1084         Initialize PDR_NB_REFS.
1085         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1086         (PDR_NB_REFS): New.
1087         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1088
1089 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1090
1091         Revert one of the previous commits:
1092         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1093         the computation of symmetric data dependence relations.
1094         (dependency_between_pbbs_p): Same.
1095
1096 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         PR middle-end/40965
1099         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1100         any transform.
1101
1102 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-dependences.c (pddr_original_scattering): Return NULL
1105         for read-read dependence relations.
1106         * graphite-poly.h (enum poly_dr_type): Fix comment.
1107         (pdr_read_p): New.
1108         (pdr_write_p): New.
1109         (pdr_may_write_p): New.
1110
1111 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1114         (struct poly_dr): Same.
1115         (new_poly_dr): Same.
1116         * graphite-poly.c (new_poly_dr): Same.
1117
1118 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1119             Sebastian Pop  <sebastian.pop@amd.com>
1120
1121         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1122         pbb_strip_mine_time_depth.  Changed the implementation so that
1123         transformation is expressed as a transformation on
1124         time (scatttering) dimensions.  Also, ensures that the 2d+1
1125         scheduling format is preserved.
1126         (pbb_strip_mine_profitable_p): Profitability is based on the
1127         iteration number of a given time (scattering) dimension,
1128         and not on a original loop depth dimension.
1129         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1130         (pbb_do_strip_mine): Call psct_dynamic_dim.
1131         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1132         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1133         (pbb_nb_dynamic_scattering_transform): New.
1134         (psct_dynamic_dim): New.
1135
1136 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1137
1138         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1139         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1140         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1141         * graphite-interchange.c (build_linearized_memory_access): Same.
1142         (memory_stride_in_loop): Same.
1143
1144 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * graphite-dependences.c (pddr_original_scattering): New.
1147         (graphite_legal_transform_dr): Call pddr_original_scattering.
1148         (dot_deps_1): New.
1149         (dot_deps): New.
1150         * graphite-dependences.h (dot_deps): Declared.
1151         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1152         (print_pdr): Print PDR_ID.
1153         * graphite-poly.h (struct poly_dr): Add field id.
1154         (PDR_ID): New.
1155         (pbb_index): New.
1156         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1157
1158 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1161         not delete the original dependence relation.
1162
1163 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1166         the computation of symmetric data dependence relations.
1167         (dependency_between_pbbs_p): Same.
1168
1169 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1170
1171         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1172         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1173         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1174         (free_poly_ddr): New.
1175         (pddr_is_empty): New.
1176         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1177         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1178         Remove fprintfs.
1179         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1180         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1181         * graphite-dependences.h (enum poly_dependence_kind): New.
1182         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1183         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1184         (PDRP_SINK): Renamed PDDR_SINK.
1185         (PDRP_DDP): Renamed PDDR_DDP.
1186         (PDDR_KIND): New.
1187         (free_poly_ddr): Declared.
1188         * graphite-poly.c (new_scop): Use the new hash function names.
1189         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1190         into original_pddrs.
1191         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1192
1193 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1194
1195         * Merge from mainline (150764:150992).
1196
1197 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1200         bounds with LT_EXPR to make niter analysis more precise on code
1201         generated by Graphite.
1202
1203 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1206         (graphite_legal_transform_bb): Same.
1207         (poly_drs_may_alias_p): Same.
1208
1209 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1210
1211         PR middle-end/40981
1212         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1213         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1214
1215 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1216
1217         * graphite-poly.c (print_pbb): Print PBB index.
1218
1219 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * Merge from mainline (r150672:150764).
1222
1223 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * graphite-interchange.c (ppl_max_for_le): Moved...
1226         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1227         * graphite-ppl.c (ppl_max_for_le): ... here.
1228         * graphite-ppl.h (ppl_max_for_le): Declared.
1229
1230 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1231
1232         * Merge from mainline (r150372:150672).
1233
1234 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         PR middle-end/40980
1237         * sese.c (convert_for_phi_arg): New.
1238         (add_guard_exit_phis): Use convert_for_phi_arg.
1239
1240         * testsuite/gfortran.dg/graphite/id-17.f: New.
1241
1242 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1245         unknown subscript upper bounds.
1246
1247         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1248
1249 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1250             Pranav Garg  <pranav.garg2107@gmail.com>
1251
1252         * graphite-interchange.c (gather_access_strides): Removed.
1253         (ppl_max_for_le): New.
1254         (build_linearized_memory_access): New.
1255         (memory_stride_in_loop): New.
1256         (pbb_interchange_profitable_p): Reimplemented.
1257         * graphite-ppl.h (ppl_new_id_map): New.
1258         (ppl_interchange): New.
1259
1260         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1261
1262 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-interchange.c (compute_subscript): Removed.
1265         (compute_array_size_cstr): Removed.
1266         (compute_array_size_poly): Removed.
1267         (compute_array_size): Removed.
1268         (gather_access_strides_poly): Removed.
1269         (gather_access_strides): Empty.
1270
1271 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1272
1273         * graphite-dependences.c (dependence_polyhedron_1): Replace
1274         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1275         (graphite_legal_transform_dr): Same.
1276         (graphite_carried_dependence_level_k): Same.
1277         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1278         Initialize PDR_NB_SUBSCRIPTS.
1279         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1280         PDR_NB_SUBSCRIPTS.
1281         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1282         (PDR_NB_SUBSCRIPTS): New.
1283         (pdr_nb_subscripts): Removed.
1284         (pdr_dim): Simplified.
1285         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1286         with PDR_NB_SUBSCRIPTS.
1287
1288 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * graphite-interchange.c (compute_array_size): Remove use of
1291         PDR_DATA_CONTAINER.
1292         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1293         Do not initialize PDR_DATA_CONTAINER.
1294         (print_pdr): Do not print PDR_DATA_CONTAINER.
1295         * graphite-poly.h (struct poly_dr): Remove data_container field.
1296         (PDR_DATA_CONTAINER): Removed.
1297         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1298         PDR_DATA_CONTAINER.
1299         (build_poly_dr): Same.
1300
1301 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1302
1303         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1304
1305 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1306             Sebastian Pop  <sebastian.pop@amd.com>
1307
1308         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1309         copy of the dependence polyhedron.  Free the temporary objects.
1310         (graphite_carried_dependence_level_k): Free unused objects before
1311         returning.
1312
1313         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1314         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1315         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1316         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1317         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1318
1319 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1320
1321         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1322         Early return without analyzing the data dependences if no
1323         transform has been done.  Call restore_scattering if the transform
1324         is not legal.
1325         (graphite-interchange.c): Same.
1326         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1327         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1328         (apply_poly_transforms): Do not gcc_assert that
1329         the transform is legal.
1330         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1331         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1332         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1333         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1334         * graphite-poly.h (struct poly_scattering): New.
1335         (struct poly_bb): Add original, transformed, and saved fields.
1336         Remove transformed_scattering, original_scattering, nb_local_variables,
1337         and nb_scattering_transform fields.
1338         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1339         (poly_scattering_new): New.
1340         (poly_scattering_free): New.
1341         (poly_scattering_copy): New.
1342         (store_scattering_pbb): New.
1343         (store_scattering): New.
1344         (restore_scattering_pbb): New.
1345         (restore_scattering): New.
1346         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1347         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1348
1349 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1350
1351         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1352         (print_scop): Same.
1353
1354 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * Makefile.in (graphite.o): Depends on PREDICT_H.
1357         * graphite.c: Include predict.h.
1358         (graphite_finalize): Call tree_estimate_probability.
1359         * predict.c (predict_loops): Do not call scev_initialize and
1360         scev_finalize.
1361         (tree_estimate_probability_bb): New.
1362         (tree_estimate_probability): Do not initialize loops: move that
1363         code to the driver.  Call tree_estimate_probability_bb.
1364         (tree_estimate_probability_driver): New.
1365         (pass_profile): Use tree_estimate_probability_driver.
1366         * predict.h (tree_estimate_probability): Declared.
1367
1368 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1369
1370         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1371         * graphite-dependences.c (graphite_legal_transform): Add time to
1372         TV_GRAPHITE_DATA_DEPS.
1373         (dependency_between_pbbs_p): Same.
1374         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1375
1376 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * Merge from mainline (r149952:150372).
1379
1380 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1383         * graphite-blocking.c: Same.
1384         * graphite-clast-to-gimple.c: Same.
1385         * graphite-dependences.c: Same.
1386         * graphite-poly.c: Same.
1387         * graphite-poly.h: Same.
1388         * graphite-ppl.c: Same.
1389         * graphite-scop-detection.c: Same.
1390         * graphite-sese-to-poly.c: Same.
1391         * graphite.c: Same.
1392
1393 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1396         (remove_simple_copy_phi): New.
1397         (remove_invariant_phi): New.
1398         (simple_copy_phi_p): New.
1399         (reduction_phi_p): New.
1400         (gsi_for_ssa_name_def): New.
1401         (insert_out_of_ssa_copy): New.
1402         (insert_out_of_ssa_copy_on_edge): New.
1403         (create_zero_dim_array): New.
1404         (scalar_close_phi_node_p): New.
1405         (rewrite_close_phi_out_of_ssa): New.
1406         (rewrite_phi_out_of_ssa): New.
1407         (rewrite_reductions_out_of_ssa): New.
1408         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1409
1410         * testsuite/gcc.dg/graphite/id-11.c: New.
1411         * testsuite/gcc.dg/graphite/id-15.c: New.
1412         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1413         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1414         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1415         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1416         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1417         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1418         * testsuite/gfortran.dg/graphite/id-13.f: New.
1419         * testsuite/gfortran.dg/graphite/id-5.f: New.
1420
1421 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1422
1423         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1424         check that nb_reductions_in_loop is zero.
1425         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1426         reduction phi nodes.
1427         (nb_reductions_in_loop): Removed.
1428         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1429         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1430         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1431         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1432         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1433
1434 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1437         statements that have an empty iteration domain.
1438         * testsuite/gfortran.dg/graphite/id-16.f: New.
1439
1440 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1441
1442         * tree-scalar-evolution.c (instantiate_scev_1): Return
1443         chrec_dont_know when the result is not above instantiate_below.
1444         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1445         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1446         the tree has a known scalar evolution.
1447         * testsuite/gfortran.dg/graphite/id-14.f: New.
1448         * testsuite/gfortran.dg/graphite/id-15.f: New.
1449
1450 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1451
1452         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1453         insert_gsi.
1454         (rename_variables): Keep inserting renames after the ones already
1455         inserted.
1456
1457 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite-sese-to-poly.c (compare_bb_depths): New.
1460         (graphite_sort_dominated_info): New.
1461         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1462         (build_scop_scattering): Fix comment.
1463
1464 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         * graphite.c (graphite_finalize): Call print_loops instead of
1467         dump_function_to_file.
1468         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1469         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1470         loops generated in the graphite output file.
1471         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1472         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1473         * testsuite/gfortran.dg/graphite/id-12.f: New.
1474
1475 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1476
1477         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1478         Remove 2 XFAIL.
1479
1480 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1481             Tobias Grosser  <grosser@fim.uni-passau.de>
1482
1483         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1484         alias set number build alias in ACCESSES polyhedron.
1485         (build_alias_set_for_drs): New.
1486         (build_pbb_drs): Added build_alias_set_for_drs.
1487         * graphite-dependences.c (poly_drs_may_alias_p): New.
1488         (graphite_carried_dependence_level_k): Check alias information
1489         before building polyhedron.
1490
1491 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1492
1493         * Makefile.in (lambda-code.o): Fix formatting.
1494
1495 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1496
1497         * Merge from mainline (r149350-149952)
1498
1499 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1500
1501         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1502         before interchange to prepare for loop blocking.
1503
1504 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1505
1506         * graphite-poly.c (apply_poly_transforms): Add checks after every
1507         transformation.
1508         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1509         done in apply_poly_transforms.
1510
1511 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1512
1513         * graphite-dependences.c (build_lexicographically_gt_constraint):
1514         Replace RES parameter with *RES.
1515         (dependence_polyhedron_1): Pass an address of the parameter RES
1516         instead of value of RES.
1517
1518 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite.c (graphite_finalize): Fix comment.
1521         (graphite_transform_loops): Reset scev info after code generation
1522         of each scop.
1523
1524 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * graphite.c (graphite_finalize): Call scev_reset.
1527
1528 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1531         GBB_CLOOG_IV_TYPES hash table twice.
1532         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1533         (add_condition_to_domain): Clear GMP values.
1534
1535 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1536
1537         * graphite-dependences.c: Fix formatting.
1538         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1539         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1540         * graphite-sese-to-poly.c: Fix formatting.
1541         * graphite.c (graphite_transform_loops): Create the hash table
1542         after the early return.
1543
1544 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * testsuite/gcc.dg/graphite/id-14.c: New.
1547         * testsuite/gcc.dg/graphite/pr40157.c: New.
1548         * testsuite/gfortran.dg/graphite/id-11.f: New.
1549
1550 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1551
1552         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1553         (build_poly_scop): Return false when there are no pbbs within
1554         loops to avoid to pass to cloog scops with no loops.
1555
1556 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1559         useless test "i % 2".
1560         (build_pbb_scattering_polyhedrons): Fix formatting.
1561         (build_poly_dr): Same.
1562         * graphite.c (graphite_transform_loops): Restructure.
1563
1564 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1565
1566         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1567         reduction_list parameter.
1568         (rewrite_all_phi_nodes_with_iv): Same.
1569         (canonicalize_loop_ivs): Same.
1570         * tree-parloops.c (struct brli): Removed.
1571         (build_reduction_list_info): Removed.
1572         (build_new_reduction): New.
1573         (analyze_reduction_list): Removed.
1574         (gather_scalar_reductions): Find reductions instead of phi
1575         nodes that can't be canonicalized.
1576         (try_create_reduction_list): Remove reduction_list parameter.
1577         (gen_parallel_loop): Same.
1578         (parallelize_loops): Remove analyze_reductions variable,
1579         initialization and free.
1580         Change reduction_list htab initialization to reduction_info
1581         elements instead of ssa names.
1582         Call try_create_reduction_list and gen_parallel_loop without
1583         analyzed_reduction argument.
1584         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1585         canonicalize_loop_ivs with one less argument.
1586         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1587
1588 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1589
1590         * graphite-dependences.c (new_poly_dr_pair): New.
1591         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1592         (new_poly_dr_pair): New.
1593         (eq_poly_dr_pair_p): New.
1594         (hash_poly_dr_pair_p): New.
1595         * graphite-dependences.h (struct poly_dr_pair): New.
1596         (eq_poly_dr_pair_p): Declared.
1597         (hash_poly_dr_pair_p): Declared.
1598         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1599         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1600         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1601         * Makefile.in (graphite-poly.o): Add dependence on
1602         graphite-dependences.h.
1603
1604 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1605
1606         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1607         polynomials of degree > 1 pass to Graphite.
1608         * tree-chrec.c (scev_is_linear_expression): Call
1609         evolution_function_is_affine_multivariate_p.
1610         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1611
1612 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1613
1614         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1615         Instantiate scevs varying in outer loops.
1616         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1617
1618 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1619
1620         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1621         redundant constraint.
1622
1623 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1626         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1627         based on the file names as in the C testsuite.
1628         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1629         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1630         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1631         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1632         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1633         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1634         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1635         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1636         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1637         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1638         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1639         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1640         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1641
1642 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1643
1644         * sese.c (expand_scalar_variables_call): New.
1645         (expand_scalar_variables_ssa_name): Handle calls in expander.
1646
1647 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1650         Expect to see the pattern twice.
1651         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1652         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1653         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1654
1655 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1656
1657         * testsuite/gcc.dg/graphite/id-10.c: New.
1658         * testsuite/gcc.dg/graphite/id-12.c: New.
1659         * testsuite/gfortran.dg/graphite/id-7.f: New.
1660         * testsuite/gfortran.dg/graphite/id-8.f: New.
1661
1662 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1665         zero.
1666
1667 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1670
1671 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1674
1675 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1678         building PDR subscripts.
1679
1680 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1683         computation of array sizes.
1684
1685 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1686
1687         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1688
1689 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1690
1691         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1692         build_pairwise_constraint, dr_equality_constraints,
1693         build_pairwise_scheduling_equality,
1694         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1695         build_lexicographically_gt_constraint, dependence_polyhedron,
1696         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1697         Move from NNC_Polyhedron to C_Polyhedron.
1698         * graphite-interchange.c (compute_array_size_poly,
1699         gather_access_strides): Dito.
1700         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1701         free_scop, pbb_number_of_iterations): Dito.
1702         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1703         pbb_dim_iter_domain, struct scop): Dito.
1704         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1705         new_Cloog_Domain_from_ppl_Polyhedron,
1706         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1707         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1708         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1709         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1710         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1711         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1712         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1713         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1714         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1715         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1716         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1717         build_scop_iteration_domain, build_poly_dr): Dito
1718
1719 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1720
1721         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1722         run-id-*.c files.
1723         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1724
1725 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1728         positivity constraint on the symbolic number of iterations.
1729
1730 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1733
1734 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1735             Tobias Grosser  <grosser@fim.uni-passau.de>
1736
1737         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1738         (build_cloog_prog): Directly use SCOP_CONTEXT.
1739         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1740         (free_scop): Free SCOP_CONTEXT.
1741         (print_scop_context): New.
1742         (print_scop): Call print_scop_context.
1743         (debug_scop_context): New.
1744         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1745         (struct scop): Added field context.
1746         (SCOP_CONTEXT): New.
1747         * graphite-sese-to-poly.c (add_param_constraints): New.
1748         (build_scop_context): New.
1749         (build_poly_scop): Call build_scop_context.
1750
1751 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1752
1753         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1754         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1755         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1756         * graphite-ppl.h: Include double-int.h and tree.h.
1757         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1758         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1759         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1760         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1761
1762 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1765         POINTER_PLUS_EXPR for pointer types.
1766         (clast_to_gcc_expression): Same.
1767
1768 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1769
1770         * graphite-poly.c (print_scattering_function): Early return when
1771         PBB_TRANSFORMED_SCATTERING is not initialized.
1772         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1773
1774 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1777         to fix bootstrap.
1778
1779 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1780
1781         * tree-parloops.c (analyze_reduction_list): Change return
1782         value to void.
1783         (try_create_reduction_list): Move the call to
1784         analyze_reduction_list to the beginining.
1785         Call reduction_phi with analyzed_reductions as argument
1786         instead of reduction_list.
1787
1788 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1789
1790         *  Merge from mainline (r148296:149346)
1791
1792 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * graphite-scop-detection.c (graphite_can_represent_init): New.
1795         (graphite_can_represent_scev): Call graphite_can_represent_init:
1796         check that the initial value does not contain multiplications of
1797         parameters.
1798         (stmt_has_simple_data_refs_p): New.
1799         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1800         (is_simple_operand): Fix formatting.
1801         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1802
1803 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         * testsuite/gcc.dg/graphite/id-13.c: New.
1806         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1807         analyze_scalar_evolution, use scalar_evolution_in_region.
1808         (scan_tree_for_params_right_scev): Add extra assert.
1809         (parameter_index_in_region_1): Split from parameter_index_in_region.
1810         (idx_record_params): Use scalar_evolution_in_region.
1811         (find_params_in_bb): Same.
1812         (find_scop_parameters): Same.
1813         (build_loop_iteration_domains): Same.
1814         (create_linear_expr_from_tree): Same.
1815         * sese.c (scalar_evolution_in_region): New.
1816         * sese.h (scalar_evolution_in_region): Declared.
1817         (defined_in_sese_p): New.
1818         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1819         static anymore.
1820         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1821         Declared.
1822
1823 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1826         TREE_DATA_REF_H also implies SCEV_H.
1827
1828 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-poly.c (print_scop_params): New.
1831         (print_scop): Call print_scop_params.
1832         (debug_scop_params): New.
1833         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1834
1835 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1836
1837         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1838         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1839         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1840         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1841         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1842         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1843
1844 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1845
1846         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1847         for dependency checking part.
1848         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1849         tests for dependency checking.
1850         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1851         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1852         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1853         flag -fdump-tree-graphite-all for autopar testsuites.
1854
1855 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1856
1857         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1858         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1859         canonicalize_loop_ivs): Moved...
1860         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1861
1862 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         * tree-parloops.c (try_create_reduction_list): Pass an extra
1865         argument analyzed_reductions.  Call analyze_reduction_list.
1866         (gen_parallel_loop): Do not call analyze_reduction_list.
1867         (parallelize_loops): Init and finalize analyzed_reductions.
1868
1869 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1870
1871         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1872         Added flag -fno-loop-strip-mine for autopar testcase.
1873
1874 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1875
1876         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1877         transformed scattering dimension instead of unmatch orignal when
1878         calling dependence_polyhedron.
1879
1880 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1883
1884 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1887         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1888
1889 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1892         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1893         * graphite-poly.c (pbb_number_of_iterations): New.
1894         * graphite-poly.h (pbb_number_of_iterations): Declared.
1895         (pbb_iterator_dim, pbb_parameter_dim): New.
1896
1897 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1900         last commit on type of lower and upper bound of loops.
1901
1902 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1903
1904         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1905         graphite-dependences.h.
1906         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1907         (mark_bb_with_pbb): New.
1908         (get_stmtfor_depth): New.
1909         (find_pbb_via_hash): New.
1910         (dependency_in_loop_p): New.
1911         (mark_loops_parallel): New.
1912         (free_aux_in_new_loops): New.
1913         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1914         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1915         innermost loop parallel without checking.
1916         (gloog): Add parameter BB_PBB_MAPPING.
1917         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1918         (gloog): Change declaration.
1919         (mark_loop_parallel): Make extern.
1920         (free_aux_in_new_loops): Declare.
1921         (bb_pbb_map_hash): New.
1922         (eq_bb_pbb_map): New.
1923         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1924         auto parallelization when flag_graphite_force_parallel is set.
1925         (graphite_finalize): Added free_aux_in_new_loops.
1926         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1927         the innermost loop that marked parallel.  Use
1928         flag_graphite_force_parallel instead of loop->can_be_parallel.
1929         (loop_parallel_p): Move inner most checking out of function.
1930
1931 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1934         type of lower and upper bound of loops signed long int.
1935
1936 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1939         expression outside the loop.
1940
1941 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * gcc.dg/graphite/interchange-8.c: New.
1944
1945 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * gcc.dg/graphite/interchange-0.c: XFailed.
1948         * gcc.dg/graphite/interchange-5.c: XFailed.
1949         * gcc.dg/graphite/interchange-6.c: XFailed.
1950
1951 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite-interchange.c (compute_array_size_poly): The end of the
1954         recursion should return 1.
1955
1956 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * graphite-interchange.c (compute_array_size_cstr): Allow the
1959         subscript multiplier to be -1.
1960         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1961         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1962         data_container.  Initializes PDR_DATA_CONTAINER.
1963         (print_pdr_access_layout): New.
1964         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1965         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1966         data_container.
1967         (PDR_DATA_CONTAINER): New.
1968         (new_poly_dr): Update declaration.
1969         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1970         (build_poly_dr): Call pdr_add_data_dimensions.
1971
1972 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1973
1974         * graphite-poly.h (struct poly_dr): Fix comment.
1975         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1976         (pdr_add_memory_accesses): New.
1977         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1978
1979 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1982         (print_pbb): Add call to print_pdrs.
1983         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1984
1985 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1986             Li Feng <nemokingdom@gmail.com>
1987
1988         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1989         (dependency_between_pbbs_p): New.
1990         (lexicographically_gt_p): Assure !empty_p before polyhedron
1991         intersection assign.
1992         (build_lexicographically_gt_constraint): Correct lexicographically
1993         judging.
1994         * graphite-dependences.h: New.
1995         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1996
1997 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2000         (gloog): Print to dump_file the generated clast.
2001         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2002         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2003
2004 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * graphite-poly.c (extend_scattering): Increment
2007         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2008
2009 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2010
2011         * graphite-interchange.c (compute_array_size_poly): Added exit of
2012         recursion condition.  Continue iterating even after the first equality.
2013         (compute_array_size): Same.
2014
2015 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2016
2017         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2018         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2019         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2020         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2021         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2022
2023 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2026         only when the use verifies is_gimple_reg.
2027
2028 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2031         Allocate scaldims after call to unify_scattering_dimensions.
2032
2033 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2036
2037 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2038             Albert Cohen  <albert.cohen@inria.fr>
2039
2040         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2041         variables for the strip mining.
2042
2043 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2044             Pranav Garg  <pranav.garg2107@gmail.com>
2045
2046         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2047         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2048         (graphite-blocking.o): New rule.
2049         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2050         * graphite-blocking.c: New.
2051         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2052         flag_loop_strip_mine.
2053         (psct_scattering_dim_for_loop_depth): New.
2054         * graphite-poly.h (scop_do_strip_mine): Declared.
2055         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2056         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2057         flag_loop_strip_mine.
2058
2059 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2062         a GMP value and a PPL coefficient at each iteration of a loop.
2063
2064 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2065
2066         * graphite-dependences.c (dependence_polyhedron): Do not use
2067         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2068         pbb_nb_scattering_transform.
2069         (graphite_legal_transform_dr): Same.
2070         * graphite-poly.c (extend_scattering): Same.
2071         (unify_scattering_dimensions): Same.
2072         (print_scattering_function): Same.
2073         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2074         PBB_NB_LOCAL_VARIABLES.
2075         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2076         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2077         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2078         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2079         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2080         (pbb_nb_scattering_transform): New.
2081         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2082         (psco_scattering_dim): Add assert on parameters.
2083         (psct_scattering_dim): Same.
2084         (psct_scattering_dim_for_loop_depth): Declared.
2085         (psct_local_var_dim): New.
2086         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2087         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2088         correct layout, call pbb_nb_local_vars.
2089         (psct_add_local_variable, psct_add_scattering_dimension): New.
2090         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2091         Initialize PBB_NB_SCATTERING_TRANSFORM.
2092
2093 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2094
2095         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2096         (set_coef): Renamed ppl_set_coef.
2097         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2098
2099 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2102         test a boolean against 1.
2103         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2104         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2105         (pbb_do_interchange): Returns true when a transform has been performed.
2106         (scop_do_interchange): Same.
2107         * graphite-poly.c (apply_poly_transforms): Use the return value of
2108         scop_do_interchange.
2109         * graphite-poly.h (scop_do_interchange): Update declaration.
2110
2111 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2112
2113         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2114         after last use.
2115         * sese.c (sese_reset_aux_in_loops): New.
2116         * sese.h (sese_reset_aux_in_loops): New.
2117
2118 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2121         multiplier and multiply the constant by the multiplier.
2122         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2123         (build_poly_dr): Do not use the multiplier to define the subscript.
2124
2125 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2126
2127         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2128         compiler's data reference.  Initialize PDR_CDR.
2129         (print_pdr): Call dump_data_reference.
2130         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2131         Add compiler_dr field.
2132         (PDR_BB): Renamed PDR_PBB.
2133         (PDR_CDR): New.
2134         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2135         GCC's data reference representation.
2136         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2137         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2138
2139 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-poly.c (print_scattering_function): Also print the layout.
2142         * graphite-poly.h (pbb_nb_local_vars): New.
2143
2144 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2145
2146         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2147
2148 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * graphite-poly.c (print_pdr, debug_pdr): New.
2151         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2152         (PDR_BASE): Removed.
2153
2154 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2157         ltrans-{1..6,8}.c.
2158
2159 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2160
2161         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2162         subscript identification column.
2163         (pbb_do_interchange): Print to dump_file that some loops "will be
2164         interchanged".  Rely on that chain of characters in the testcases.
2165         * gcc.dg/graphite/interchange-0.c: New.
2166         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2167         interchange-*.c files and compile them with -floop-interchange.
2168
2169 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2170
2171         * graphite-interchange.c (interchange_profitable_p): Renamed
2172         pbb_interchange_profitable_p.
2173
2174 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2175             Harsha Jagasia  <harsha.jagasia@amd.com>
2176             Pranav Garg  <pranav.garg2107@gmail.com>
2177
2178         * graphite-interchange.c (interchange_profitable_p): Make static.
2179         (pbb_interchange_loop_depths, pbb_do_interchange,
2180         scop_do_interchange): New.
2181         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2182         for flag_loop_interchange.
2183         * graphite-poly.h (scop_do_interchange): Declared.
2184         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2185         flag_loop_interchange is used.
2186
2187 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite-dependences.c (dependence_polyhedron): Update use of
2190         pbb_nb_scattering_dims.
2191         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2192         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2193         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2194         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2195
2196 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2197
2198         * graphite.c: Cleanup foo.
2199
2200 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * Merge from mainline (r143684:148293).
2203         * Disabled libpcp until it gets fixed.
2204
2205 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2206             Harsha Jagasia  <harsha.jagasia@amd.com>
2207
2208         * graphite-interchange.c: New.
2209         * Makefile.in (graphite-interchange.o): New.
2210         * graphite-poly.h (interchange_profitable_p): Declared.
2211         * graphite-ppl.h (value_max): New.
2212
2213 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2216         * graphite-poly.h: Fix some comments.
2217         (pdr_dim): New.
2218         (pdr_scop): New.
2219
2220 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2221
2222         * graphite-poly.h
2223         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2224         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2225         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2226         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2227         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2228         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2229         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2230         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2231         * graphite-clast-to-gimple.c: Same.
2232         * graphite-dependences.c: Same.
2233         * graphite-poly.c: Same.
2234         * graphite-sese-to-poly.c: Same.
2235
2236 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2237
2238         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2239         expressions for an IV rename, as returned by clast_to_gcc_expression.
2240         (copy_renames): Rename new_name to expr.
2241         * sese.c (debug_rename_elt): Same.
2242         (get_rename): Same.
2243         (set_rename): Same.
2244         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2245         the information from the rename map.
2246         (rename_variables_in_stmt): Same.
2247         (add_loop_exit_phis): Rename new_name to expr.
2248         (insert_loop_close_phis): Same.
2249         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2250         * sese.h (struct rename_map_elt): Rename new_name to expr.
2251         (new_rename_map_elt): Same.
2252
2253 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2254
2255         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2256         * sese.c (set_rename): Make it extern.
2257         * sese.h (set_rename): Declared.
2258
2259 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2260
2261         * graphite-poly.c (extend_scattering): Free values.
2262         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2263         Free iterators.
2264         (ppl_print_powerset_matrix): Same.
2265         * graphite-scop-detection.c (free_scops_1): New.
2266         (limit_scops): Call free_scops_1.
2267         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2268         (build_poly_dr): Free PPL coefficients.
2269         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2270
2271 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2272
2273         * graphite-dependences.c: New.
2274         * graphite-data-ref.c: Removed.
2275         * graphite-data-ref.h: Removed.
2276         * Makefile.in (graphite-data-ref.o): Removed.
2277         (graphite-dependences.o): Added.
2278         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2279         * graphite-poly.c: Same.
2280         Move the data dependence testing to graphite-dependences.c.
2281
2282 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2283
2284         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2285         from graphite_cannot_represent_loop. Code refactored.
2286         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2287
2288 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2289
2290         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2291         Cover all the testcases (not only the filtered ones).
2292
2293 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2294
2295         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2296         unnecessary check. Update comments. Move check for REAL_TYPE here.
2297         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2298         done in (stmt_simple_for_scop_p).
2299
2300 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2301
2302         * graphite.c (print_global_statistics): New.
2303         (print_graphite_scop_statistic): New.
2304         (print_graphite_statistics): New.
2305         (graphite_initialize, graphite_transform_loops): Print statistics.
2306         * graphite-scop-detection (build_scops): Print statistics.
2307         (print_graphite_scop_statistics): New.
2308         (print_graphite_statistics): New.
2309
2310 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2313         (debug_clast_name_index): Removed.
2314         (debug_clast_name_indexes_1): Removed.
2315         (debug_clast_name_indexes): Removed.
2316         (clast_name_index_elt_info): Removed.
2317         (eq_clast_name_indexes): Removed.
2318         (clast_name_to_index): Removed.
2319         (new_clast_name_index): Removed.
2320         (save_clast_name_index): Removed.
2321         (save_var_name): Moved...
2322         (init_sese_params_index): Removed.
2323         (clast_name_to_gcc): Remove use of name_tree.
2324         (initialize_cloog_names): Same.
2325         (gloog): Do not call init_sese_params_index.
2326         * graphite-sese-to-poly.c (save_var_name): ...here.
2327         (parameter_index_in_region): New.
2328         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2329         (parameter_index_in_region): Removed.
2330         (is_parameter): Remove use of name_tree.
2331         * sese.h (struct name_tree): Removed.
2332         (struct sese): Remove use of name_tree.  New field params_names.
2333         (SESE_PARAMS_NAMES): New.
2334         (SESE_PARAMS): Remove duplicate.
2335         (parameter_index_in_region): Removed.
2336         (sese_nb_params): Remove use of name_tree.
2337         (struct clast_name_index): New.
2338         (new_clast_name_index): New.
2339         (clast_name_to_index): New.
2340         (save_clast_name_index): New.
2341         (debug_clast_name_index): New.
2342         (debug_clast_name_indexes_1): New.
2343         (debug_clast_name_indexes): New.
2344         (clast_name_index_elt_info): New.
2345         (eq_clast_name_indexes): New.
2346
2347 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2350         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2351         (graphite_loop_normal_form): Do not pass region.  Do not
2352         initialize SESE_OLDIVS.
2353         (build_graphite_loop_normal_form): Update call to
2354         graphite_loop_normal_form.
2355         * sese.c (debug_oldivs): Removed.
2356         (new_sese): Do not initialize SESE_OLDIVS.
2357         (free_sese): Do not free SESE_OLDIVS.
2358         (oldiv_for_loop): Removed.
2359         * sese.h (struct sese): Remove old_ivs.
2360         (SESE_OLDIVS): Removed.
2361         (oldiv_for_loop): Removed.
2362
2363 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2366         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2367         replaced by a call to newivs_to_depth_to_newiv.
2368         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2369         (clast_to_gcc_expression_red): Same.
2370         (gcc_type_for_clast_expr): Same.
2371         (gcc_type_for_clast_eq): Same.
2372         (graphite_translate_clast_equation): Same.
2373         (graphite_create_guard_cond_expr): Same.
2374         (graphite_create_new_guard): Same.
2375         (graphite_create_new_loop): Same.
2376         (build_iv_mapping): Same.
2377         (translate_clast): Same.
2378         (gloog): Same.
2379         (loop_iv_stack_patch_for_consts): Removed.  *
2380         sese.c (iv_stack_entry_is_constant): Removed.
2381         (iv_stack_entry_is_iv): Removed.
2382         (loop_iv_stack_push_iv): Removed.
2383         (loop_iv_stack_insert_constant): Removed.
2384         (loop_iv_stack_pop): Removed.
2385         (loop_iv_stack_get_iv): Removed.
2386         (loop_iv_stack_get_iv_from_name): Removed.
2387         (debug_loop_iv_stack): Removed.
2388         (free_loop_iv_stack): Removed.
2389         (loop_iv_stack_remove_constants): Removed.  *
2390         sese.h (iv_stack_entry_kind): Removed.
2391         (iv_stack_entry_data_union): Removed.
2392         (iv_stack_entry_struct): Removed.
2393         (iv_stack_entry_p): Removed.
2394         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2395         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2396         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2397         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2398         (gbb_loop_at_index): Fix indenting.
2399         (gbb_loop_index): Removed.
2400
2401 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2404         Call clast_name_to_index.
2405
2406 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2409         do not pass params.  Get params from SESE_PARAMS.
2410         (clast_to_gcc_expression): Same.
2411         (clast_to_gcc_expression_red): Same.
2412         (gcc_type_for_clast_eq): Same.
2413         (graphite_translate_clast_equation): Same.
2414         (graphite_create_new_loop): Same.
2415         * sese.c (rename_variables_in_stmt): Fix comment.
2416
2417 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2420         newivs_index.
2421         Call save_clast_name_index.
2422         (translate_clast): Pass newivs_index.
2423         (gloog): Create and free newivs_index.
2424
2425 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2428         (clast_name_index_p): New type.
2429         (debug_clast_name_index): New.
2430         (debug_clast_name_indexes_1): New.
2431         (debug_clast_name_indexes): New.
2432         (clast_name_index_elt_info): New.
2433         (eq_clast_name_indexes): New.
2434         (clast_name_to_index): New.
2435         (new_clast_name_index): New.
2436         (save_clast_name_index): New.
2437         (init_sese_params_index): New.
2438         (gloog): Call init_sese_params_index.
2439         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2440         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2441         (free_sese): Free SESE_PARAMS_INDEX.
2442         * sese.h (struct sese): Add params_index.
2443         (SESE_PARAMS_INDEX): New.
2444
2445 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2448         (graphite_create_new_loop): Pass the newivs vector.  Push the
2449         newly created IV to newivs.
2450         (translate_clast): Pass the newivs vector.
2451         (gloog): Create and destroy the newivs vector.
2452
2453 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2454
2455         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2456         (graphite_loop_normal_form): Initialize loop->aux with the unique
2457         IV that has been created.
2458
2459 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2460
2461         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2462         scev with parameters in the base part. They where forbidden
2463         exidently.
2464
2465 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2466
2467         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2468         compile options by file names.
2469         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2470         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2471         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2472         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2473
2474 2009-05-08  Li Feng <nemokingdom@gmail.com>
2475
2476         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2477         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2478         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2479         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2480
2481 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2482
2483         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2484         by final cleanup.
2485
2486 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2487
2488         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2489         allow integer constant strides.
2490         (graphite_can_represent_expr): Depend on outermost_loop.
2491         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2492         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2493         build_scops_1): Same.
2494         (scopdet_basic_block_info): Same and insert layered SCoP
2495         detection.
2496         (try_generate_gimple_bb): Cleanup.
2497         (build_scops): Enable data references.
2498
2499         * testsuite/gcc.dg/graphite/id-5.c: New.
2500         * testsuite/gcc.dg/graphite/id-9.c: New.
2501         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2502         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2503
2504 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2505
2506         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2507         that we have not yet built for this SCoP.
2508
2509 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2510
2511         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2512         for complex numbers.
2513
2514 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2515
2516         * graphite-ppl.c: Fix build if cloog is not available.
2517
2518 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2519
2520         * tree-parloops.c (loop_parallel_p): Remove construction of
2521         NITER and REDUCTION_LIST.
2522         (try_get_loop_niter): New.
2523         (try_create_reduction_list): New.
2524         (parallelize_loops): Bypass the failed checkings in autopar
2525         when can_be_parallel in loop structure is set to true.
2526
2527 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2528
2529         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2530         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2531
2532 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2533
2534         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2535         Enable EQ_EXPR and NE_EXPR again.
2536
2537 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2538
2539         * graphite-scop-detection.c (graphite_can_represent_scev):
2540         Add check if scev is affine multivariate.
2541         (harmful_stmt_in_bb): Check if we can represent the conditions.
2542         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2543         harmful_stmt_in_bb.
2544         * testsuite/gcc.dg/graphite/id-7.c: New.
2545
2546 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2547
2548         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2549         Check all bbs in region, not only the bbs that are represented in
2550         GRAPHITE.
2551         (build_poly_scop): Add newline.
2552         * testsuite/gcc.dg/graphite/id-8.c: New.
2553
2554 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2555
2556         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2557         when loop initialize.
2558         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2559         * common.opt: Declare flag_graphite_force_parallel.
2560         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2561         loop parallel.
2562         * graphite-poly.c (apply_poly_transforms): Introduce
2563         flag_graphite_force_parallel.
2564         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2565         * toplev.c (process_options): ditto and replace a not correctly
2566         encoded space.
2567
2568 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2569
2570         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2571         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2572         to the redefinition.
2573         (compute_cloog_iv_types_1): ditto.
2574         (build_iv_mapping): ditto.
2575         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2576         initialization.
2577         (free_gimple_bb): Removed GBB_LOOPS related free part.
2578         (build_bb_loops): Removed.
2579         * sese.h (struct gimple_bb): Removed loops.
2580         (GBB_LOOPS): Removed.
2581         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2582         (gbb_loop_index): ditto.
2583
2584 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2585
2586         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2587         allow non constant strides.
2588         * testsuite/gcc.dg/graphite/scop-20.c: New.
2589
2590 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2591
2592         * graphite-scop-detection.c (dot_all_scops): Fix system call
2593         return value warning.
2594         (dot_scop): Same.
2595
2596 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2597
2598         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2599         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2600
2601 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2604         build_pairwise_constraint, dr_equality_constraints,
2605         build_pairwise_scheduling_equality,
2606         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2607         build_lexicographically_gt_constraint, dependence_polyhedron,
2608         graphite_legal_transform_dr, graphite_legal_transform_bb,
2609         graphite_legal_transform): New.
2610         * graphite-poly.h (graphite_legal_transform): Declared.
2611         * graphite-sese-to-poly.c (build_poly_scop): Call to
2612         graphite_legal_transform is disabled for the moment.
2613
2614 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * graphite-poly.h (pbb_nb_scattering_dims): New.
2617         (pbb_nb_scattering): Use it.
2618
2619 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2622         Pointset_Powerset version of ppl_insert_dimensions.
2623         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2624
2625 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2628
2629 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2630
2631         * graphite-poly.h: Fix comment.
2632
2633 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2636
2637 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2638
2639         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2640         statements.
2641
2642 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2643
2644         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2645         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2646         conditions.
2647
2648 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2651         handle EQ_EXPR and NE_EXPR.
2652
2653 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2654
2655         * graphite-poly.h (poly_dr): Fix comment.
2656
2657 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2658             Tobias Grosser  <grosser@fim.uni-passau.de>
2659
2660         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2661         with a zero dimension polyhedron.
2662         (find_scop_parameters): Move the call to scop_set_nb_params here.
2663         (build_loop_iteration_domains): Store in loop->aux the iteration
2664         domain polyhedron.
2665         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2666         by any loop in scop.
2667         (build_poly_scop): Do not call scop_set_nb_params.
2668
2669 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2670             Tobias Grosser  <grosser@fim.uni-passau.de>
2671
2672         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2673         add_condition_to_domain not GT_EXPR.
2674
2675 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2676
2677         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2678         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2679         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2680         upper_bound_assign to calculate unions.
2681         * testsuite/gcc.dg/graphite/id-6.c: New.
2682
2683 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2684
2685         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2686         handle abnormal edges.
2687
2688 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2689
2690         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2691         (free_poly_bb): Also free poly_drs.
2692         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2693         (poly_dr): Polyhedron to Pointset_Powerset.
2694         (pdr_accessp_nb_subscripts): Same.
2695         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2696         poly_drs.
2697
2698 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2701         names into more meaningful names.
2702
2703 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2704
2705         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2706         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2707
2708 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2709
2710         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2711         the reduction_list.
2712         * tree-parloops.c (rewrite_phi_with_iv): New.
2713         (rewrite_all_phi_nodes_with_iv): New.
2714         (canonicalize_loop_ivs): Call them.
2715
2716 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2717
2718         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2719         graphite_find_data_references_in_stmt.
2720         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2721         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2722
2723 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2726
2727 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2728
2729         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2730         instead of bb_in_region.
2731         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2732         (build_sese_conditions): Use flag_bb_in_sese.
2733         * sese.c (register_bb_in_sese): Removed.
2734         (new_sese): Remove initialization of SESE_REGION_BBS.
2735         (free_sese): Do not free SESE_REGION_BBS.
2736         * sese.h (struct sese): Remove field region_basic_blocks.
2737         (SESE_REGION_BBS): Removed.
2738         (bb_in_sese_p): Implement in function of bb_in_region.
2739
2740 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2743         loops.
2744
2745 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2746
2747         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2748         and EQ_EXPR.
2749         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2750         (add_condition_to_domain): New.
2751         (add_condition_to_pbb): New.
2752         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2753         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2754
2755 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2756
2757         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2758         ppl_Pointset_Powerset.
2759         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2760         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2761         (pbb_nb_loops): Same.
2762         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2763         add_conditions_to_domain): Same.
2764         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2765         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2766         ppl_const_Polyhedron_t.
2767         (ppl_print_powerset_matrix): New.
2768         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2769         ppl_print_powerset_matrix): New.
2770         (ppl_print_polyhedron_matrix): Updated.
2771
2772 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2775
2776 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2779         (print_iteration_domains, debug_iteration_domain,
2780         debug_iteration_domains): New.
2781         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2782         debug_iteration_domains): Declared.
2783         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2784         indenting.
2785
2786 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2787             Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-poly.h (print_iteration_domain): New.
2790         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2791         (build_sese_conditions_1, build_sese_conditions_after,
2792         build_sese_conditions_before): New.
2793         (build_sese_conditions): Rewritten.
2794
2795 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2796             Tobias Grosser  <grosser@fim.uni-passau.de>
2797
2798         Cleanup of code generation liveouts.
2799         * graphite-clast-to-gimple.c (translate_clast): Use a single
2800         rename_map instead of one per translated statement.
2801         Do not use SESE_LIVEOUT_RENAMES.
2802         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2803         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2804         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2805         phi node of a reduction: when a loop contains a reduction used outside
2806         the loop, there should be a scalar close phi node on the exit block.
2807         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2808         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2809         (free_sese): Do not free them.
2810         (sese_build_liveouts_use): Do not use them.
2811         (sese_build_liveouts_bb): Same.
2812         (sese_build_liveouts): Same.
2813         (sese_insert_phis_for_liveouts): Same.
2814         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2815         (defined_in_loop_p): New.
2816         (alive_after_loop): New.
2817         (close_phi_not_yet_inserted_p): New.
2818         (struct alep, alep_p): New.
2819         (add_loop_exit_phis): Remove from the rename_map all the names defined
2820         in the code generated loop.
2821         (insert_loop_close_phis): Traverse the rename_map passed to it.
2822         Don't use SESE_LIVEOUT_RENAMES.
2823         (default_liveout_before_guard): Renamed default_before_guard.
2824         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2825         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2826         (register_sese_liveout_renames): Removed.
2827         (copy_bb_and_scalar_dependences): Do not call it.
2828         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2829         reduction_list.
2830         (SESE_LIVEOUT): Removed.
2831         (SESE_LIVEOUT_RENAMES): Removed.
2832         (SESE_REDUCTION_LIST): Removed.
2833         (sese_build_liveouts): Removed.
2834         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2835         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2836         (insert_guard_phis): Same.
2837         (rename_map_elt): Declare a VEC of them.
2838         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2839         trees not pointers to trees.
2840
2841         Rewrite in canonical close SSA form:
2842         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2843         (limit_scops): Close the scop after the block containing the close phi
2844         nodes.
2845         (canonicalize_loop_closed_ssa): New.
2846         (canonicalize_loop_closed_ssa_form): New.
2847         (build_scops): Call canonicalize_loop_closed_ssa_form.
2848
2849         * graphite-sese-to-poly.c: Fix typos.
2850
2851 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2852
2853         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2854         Extended.
2855         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2856         (print_pbb): Add conditions.
2857
2858 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2859             Sebastian Pop  <sebastian.pop@amd.com>
2860
2861         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2862         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2863         (build_scop_bbs_1): New.
2864         (build_scop_bbs): Rewrite.
2865         * sese.h (bb_in_region): New.
2866
2867 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2868
2869         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2870         poly_drs vector.
2871         (print_scop): Style.
2872         * graphite-poly.h (poly_bb): Add drs vector.
2873         (PBB_DRS): Add accessor.
2874         * graphite-sese-to-poly.c (build_poly_dr): New.
2875         (build_pbb_drs, build_scop_drs): New.
2876         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2877
2878 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2879
2880         * tree-ssa-loop.c: Include forgotten toplev.h
2881
2882 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2883
2884         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2885         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2886         * testsuite/gcc.dg/graphite/pr37928.c: Same
2887         * testsuite/gcc.dg/graphite/pr38409.c: Same
2888         * testsuite/gcc.dg/graphite/pr38498.c: Same
2889         * testsuite/gcc.dg/graphite/pr38559.c: Same
2890         * testsuite/gcc.dg/graphite/pr39335.c: Same
2891         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2892         * testsuite/gfortran.dg/graphite/block-2.f: Same
2893         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2894         with -floop-*.
2895
2896 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2897
2898         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2899         build_access_matrix, build_scop_data_accesses): Remove access function
2900         building. (We get a new version soon).
2901         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2902         * sese.h (nb_loops_around_loop_in_sese): Remove.
2903         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2904
2905 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2906             Sebastian Pop  <sebastian.pop@amd.com>
2907
2908         * graphite-scop-detection.c (struct scopdet_info): Rename last
2909         field to exit.
2910         (scopdet_basic_block_info, build_scops_1): Don't use
2911         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2912
2913 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2914             Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2917         * sese.c (sese_build_liveouts_use): Renamed from
2918         sese_build_livein_liveouts_use. Remove liveins.
2919         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2920         Call sese_build_liveouts_use.
2921         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2922         Call sese_build_liveouts_bb.
2923         (new_sese, free_sese): Remove liveins.
2924         (sese_add_exit_phis_var): Deleted.
2925         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2926         directly.
2927         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2928
2929         * sese.h (sese): Remove num_ver and livein.
2930         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2931
2932 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2933
2934         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2935
2936 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2937
2938         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2939         (build_scop_scattering): Do not use compare_prefix_loops any more.
2940         (nb_common_loops): New.
2941
2942 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2943
2944         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2945         (register_old_and_new_names): Renamed set_rename.
2946
2947 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2948
2949         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2950         of the decl from the previous commit.
2951
2952 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         * graphite-scop-detection.c (dot_scop): New.
2955         * graphite-scop-detection.h (dot_scop): Declared.
2956
2957 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2958
2959         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2960
2961 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2964         condition at the end of the loop.
2965         * graphite.c (graphite_initialize, graphite_finalize): Print to
2966         dump_file the compiled function.
2967         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2968         of create_empty_loop_on_edge.
2969         (translate_clast): Update the code generation of loops for the new
2970         shape of loops.
2971         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2972
2973 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         Reverted the patch from 2009-03-19.
2976
2977 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2978
2979         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2980         poly_drs vector.
2981         (print_scop): Style.
2982         * graphite-poly.h (poly_bb): Add drs vector.
2983         (PBB_DRS): Add accessor.
2984         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2985         (build_access_matrix_with_af, build_access_matrix,
2986         build_scop_data_accesses): Delete.
2987         (build_poly_dr): New.
2988         (build_pbb_drs, build_scop_drs): New.
2989         (build_poly_scop): call build_scop_drs.
2990
2991 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2994         once per basic block.
2995
2996 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2997
2998         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2999         (graphite_can_represent_expr): Renamed from loop_affine_expr
3000         and enhanced.
3001         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3002         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3003         (scopdet_basic_block_info): Actually define entry_block.
3004         (stmt_simple_memref_p): Moved here from ...
3005
3006         * tree-data-ref.c (stmt_simple_memref_p): here.
3007         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3008
3009 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3010
3011         * testsuite/gcc.dg/graphite/id-4.c: New.
3012
3013 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3014
3015         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3016         (register_old_and_new_names): Update the content of the map.
3017         When there was already a rename_map_elt in the map at that
3018         location, free it.
3019         (copy_bb_and_scalar_dependences): Do rename_variables after
3020         expand_scalar_variables.
3021         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3022         of the map.  When there was already a rename_map_elt in the
3023         map at that location, free it.
3024         (translate_clast): Pass the rename_map.  Do not initialize and free
3025         a rename_map per stmt_user.
3026         (gloog): Initialize and free one rename_map and pass it to
3027         translate_clast.
3028
3029 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * sese.c (expand_scalar_variables_stmt,
3032         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3033         parameter.
3034         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3035         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3036         the gimple_stmt_iterator of the statement to be expanded.
3037         * graphite-scop-detection.c (is_simple_operand): Do handle
3038         REALPART_EXPR.
3039
3040 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3041
3042         * graphite-scop-detection.c (is_simple_operand): Do not handle
3043         REALPART_EXPR.
3044         * testsuite/gcc.dg/graphite/id-2.c: New.
3045
3046         * graphite-sese-to-poly.c (build_bb_loops,
3047         add_value_to_dim, scan_tree_for_params_right_scev,
3048         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3049         find_params_in_bb, build_loop_iteration_domains,
3050         add_conditions_to_domain): Remove subtract.
3051
3052 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3053
3054         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3055         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3056         pbb_loop_at_index -> gbb_loop_at_index.
3057         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3058         (debug_loop_vec): Delete.
3059         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3060         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3061         (PBB_LOOPS): Removed.
3062         (PBB_BLACK_BOX): Insert cast.
3063         (pbb_set_black_box): New setter.
3064         (pbb_loop_at_index, pbb_loop_index): Removed.
3065         (scop_set_region, scop_set_nb_params): New.
3066         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3067         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3068         (build_poly_scop): Use scop_set_nb_params.
3069         * sese.h (gimple_bb): Add LOOPS.
3070         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3071
3072 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3073
3074         Revert previous commit.
3075
3076 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3077
3078         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3079         (register_old_and_new_names): Update the content of the map.
3080         When there was already a rename_map_elt in the map at that
3081         location, free it.
3082         (copy_bb_and_scalar_dependences): Do rename_variables after
3083         expand_scalar_variables.
3084         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3085         of the map.  When there was already a rename_map_elt in the
3086         map at that location, free it.
3087         (translate_clast): Pass the rename_map.  Do not initialize and free
3088         a rename_map per stmt_user.
3089         (gloog): Initialize and free one rename_map and pass it to
3090         translate_clast.
3091
3092 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3093
3094         Remove forgotten line in revert.
3095
3096 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         Revert previous commit.
3099
3100 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3101
3102         * sese.c (register_old_and_new_names): Update the content
3103         of the map.  When there was already a rename_map_elt in the
3104         map at that location, free it.
3105         (copy_bb_and_scalar_dependences): Do rename_variables after
3106         expand_scalar_variables.
3107         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3108         of the map.  When there was already a rename_map_elt in the
3109         map at that location, free it.
3110         (translate_clast): Pass the rename_map.  Do not initialize and free
3111         a rename_map per stmt_user.
3112         (gloog): Initialize and free one rename_map and pass it to
3113         translate_clast.
3114
3115 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3116
3117         * graphite-clast-to-gimple.c (translate_clast): context_loop
3118         is never NULL.
3119
3120 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3121             Sebastian Pop  <sebastian.pop@amd.com>
3122
3123         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3124         of the use of ppl_Polyhedron_map_space_dimensions.
3125
3126 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3127             Sebastian Pop  <sebastian.pop@amd.com>
3128
3129         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3130         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3131         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3132         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3133         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3134         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3135         pbb_nb_params): New.
3136         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3137         nb_loops_around_pbb): Adapt return types.
3138
3139 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3140
3141         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3142         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3143         graphite-scop-detection.o, graphite-poly.o): Add
3144         more headers.
3145
3146 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3149         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3150         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3151
3152 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3153
3154         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
3155         * testsuite/gcc.dg/graphite/pr37828.c: Same.
3156         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3157         * testsuite/gcc.dg/graphite/block-0.c: Same.
3158         * testsuite/gcc.dg/graphite/block-1.c: Same.
3159         * testsuite/gcc.dg/graphite/block-2.c: Same.
3160         * testsuite/gcc.dg/graphite/block-3.c: Same.
3161         * testsuite/gcc.dg/graphite/block-4.c: Same.
3162         * testsuite/gcc.dg/graphite/block-5.c: Same.
3163         * testsuite/gcc.dg/graphite/block-6.c: Same.
3164         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
3165         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3166         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
3167         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
3168         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
3169         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
3170         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
3171         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
3172         * opts.c: Remove -floop-block from -O2.
3173         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3174         -floop-strip-mine are used.
3175
3176 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3177             Sebastian Pop  <sebastian.pop@amd.com>
3178
3179         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3180         dimensions.
3181         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3182         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3183         strip_mine_profitable_p, is_interchange_valid,
3184         graphite_trans_bb_block, graphite_trans_loop_block,
3185         graphite_trans_scop_block): Temporary removed.
3186         (extend_scattering, unify_scattering_dimensions): New.
3187         (print_scattering_function, graphite_read_transforms):
3188         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3189         (graphite_generate_scattering_fns): Removed.
3190         (apply_poly_transforms): Cleanup.
3191         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3192         (schedule_to_scattering): Moved.
3193         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3194         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3195         (pbb_nb_scattering): New.
3196         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3197         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3198         Removed.
3199         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3200         shift_poly.
3201         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3202         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3203         -> PBB_TRANSFORMED_SCATTERING.
3204         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3205         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3206         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3207         (check_poly_representation): Do not return bool.
3208         (graphite_transform_loops): Reformat.
3209         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3210
3211 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3212
3213         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3214         debug_pbb_domain, debug_pbb, debug_scop): New.
3215         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3216         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3217
3218 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         PR middle-end/39335
3221         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3222         when the type precision of the induction variable should be
3223         larger than the type precision of nit.
3224         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3225         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3226         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3227
3228         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3229         * testsuite/gcc.dg/graphite/pr39335.c: New.
3230
3231 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3234         SSA_NAMES not struct reduction_info.
3235
3236 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3239
3240 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3241             Tobias Grosser  <grosser@fim.uni-passau.de>
3242
3243         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3244         (free_sese): Free SESE_REDUCTION_LIST.
3245         * sese.h (struct sese): Add field reduction_list.
3246         (SESE_REDUCTION_LIST): New.
3247         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3248         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3249
3250 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3251             Tobias Grosser  <grosser@fim.uni-passau.de>
3252
3253         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3254         of loop_p.
3255
3256 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3257             Tobias Grosser  <grosser@fim.uni-passau.de>
3258
3259         * tree-parloops.c (struct brli, build_reduction_list_info,
3260         analyze_reduction_list, gather_scalar_reductions): New.
3261         (loop_parallel_p): Build a reduction list containing only
3262         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3263         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3264         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3265         * tree-flow.h (gather_scalar_reductions): Declared.
3266
3267 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3268
3269         PR middle-end/39308
3270         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3271         number_of_iterations_exit from a gcc_assert.
3272
3273 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3274             Jan Sjodin  <jan.sjodin@amd.com>
3275
3276         * output.h (graphite_out_file, graphite_in_file): Declared.
3277         * toplev.c (graphite_out_file, graphite_in_file): New.
3278         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3279         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3280         Don't call schedule_to_scattering.
3281         * common.opt (fgraphite-write, fgraphite-read): New.
3282         * graphite-poly.c: Include output.h.
3283         (print_scattering_function, print_scattering_functions,
3284         debug_scattering_function, debug_scattering_functions,
3285         graphite_write_transforms, graphite_read_transforms,
3286         graphite_generate_scattering_fns): New.
3287         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3288         Call graphite_generate_scattering_fns, graphite_write_transforms,
3289         graphite_read_transforms.
3290         (new_poly_bb): Initialize PBB_SCATTERING.
3291         (free_poly_bb): Free PBB_SCATTERING.
3292         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3293         * graphite-poly.h (struct poly_bb): Add field scattering.
3294         (PBB_SCATTERING): New.
3295         (print_scattering_function, print_scattering_functions,
3296         debug_scattering_function, debug_scattering_functions): Declared.
3297         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3298         GMP values, not integers!
3299         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3300         ppl_read_polyhedron_matrix): New.
3301         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3302         debug_ppl_polyhedron_matrix,
3303         ppl_read_polyhedron_matrix): Declared.
3304         * Makefile.in (graphite-poly.o): Depends on output.h.
3305
3306 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3307             Tobias Grosser  <grosser@fim.uni-passau.de>
3308
3309         Revert this change:
3310         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3311         scalar evolutions in the scop_entry->loop_father.
3312
3313 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3314             Tobias Grosser  <grosser@fim.uni-passau.de>
3315
3316         * graphite.h (ref_nb_loops): Remove declaration.
3317         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3318         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3319         debug_gbb): Moved to sese.h.
3320         * sese.h: As said.
3321
3322 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3323             Tobias Grosser  <grosser@fim.uni-passau.de>
3324
3325         * graphite-data-ref.[ch]: Disable.
3326
3327 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3328             Tobias Grosser  <grosser@fim.uni-passau.de>
3329
3330         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3331         scalar evolutions in the scop_entry->loop_father.
3332
3333 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3336         (graphite_cannot_represent_loop_niter): Renamed
3337         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3338         (limit_scops): build_sese_loop_nests does not return a bool.
3339         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3340         * sese.c (nb_reductions_in_loop): ... from here.
3341         (graphite_loop_normal_form): ... from here.
3342         (sese_record_loop): Does not fail, so does not return a bool.
3343         (build_sese_loop_nests): Same.
3344         * sese.h (build_sese_loop_nests): Update declaration.
3345         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3346         (build_graphite_loop_normal_form): New.
3347         (gloog): Call build_graphite_loop_normal_form.
3348         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3349         build_sese_loop_nests.
3350
3351         * testsuite/gcc.dg/graphite/id-1.c: New.
3352
3353 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3354             Tobias Grosser  <grosser@fim.uni-passau.de>
3355
3356         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3357         The SCoP detection fix is sufficient.
3358
3359 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         PR tree-optimization/39260
3362         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3363         the basic block contains a condition with a real type.
3364         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3365
3366         * gcc.dg/graphite/pr39260.c: New.
3367
3368 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3369
3370         * graphite-poly.c: Inlcude params.h.
3371         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3372         the size of a tile.
3373         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3374         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3375
3376 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3377             Tobias Grosser  <grosser@fim.uni-passau.de>
3378
3379         * graphite-scop-detection.c (dot_all_scops_1,
3380         dot_all_scops): Moved here.
3381         * graphite-scop-detection.h (dot_all_scops): Declared here.
3382         * graphite.c (graphite_initialize, graphite_finalize): New.
3383         (graphite_transform_loops): Cleaned up.
3384         * sese.c (debug_oldivs): Moved here.
3385         * graphite-poly.c (graphite_apply_transformations): Renamed
3386         apply_poly_transforms.
3387         (debug_loop_vec): Moved here.
3388         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3389         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3390         find_scop_parameters, build_scop_iteration_domain,
3391         add_conditions_to_constraints, build_scop_canonical_schedules,
3392         build_scop_data_accesses): Now static.
3393         (build_poly_scop, check_poly_representation): New.
3394
3395 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3398         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3399         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3400         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3401         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3402         scan_tree_for_params, struct irp_data, dx_record_params,
3403         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3404         build_loop_iteration_domains, add_conditions_to_domain,
3405         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3406         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3407         build_sese_conditions, add_conditions_to_constraints,
3408         build_scop_iteration_domain, build_access_matrix_with_af,
3409         build_access_matrix,
3410         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3411
3412         * graphite-sese-to-poly.c: New.
3413         * graphite-sese-to-poly.h: New.
3414
3415         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3416
3417 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3418
3419         * graphite.c: Split graphite code generation to a new file.
3420         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3421         max_precision_type, clast_to_gcc_expression_red,
3422         clast_to_gcc_expression, gcc_type_for_clast_expr,
3423         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3424         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3425         graphite_create_new_guard, clast_get_body_of_loop,
3426         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3427         graphite_create_new_loop, build_iv_mapping, copy_renames,
3428         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3429         compute_cloog_iv_types, free_scattering, save_var_name,
3430         initialize_cloog_names, build_scop_context, build_cloog_prog,
3431         set_cloog_options, debug_clast_stmt, scop_to_clast,
3432         print_generated_program, debug_generated_program,
3433         gloog): Moved to graphite-clast-to-gimple.c.
3434
3435         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3436
3437         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3438         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3439         loop_iv_stack_pop, loop_iv_stack_get_iv,
3440         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3441         free_loop_iv_stack, loop_iv_stack_remove_constants,
3442         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3443         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3444         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3445         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3446         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3447         get_vdef_before_sese, sese_adjust_vphi,
3448         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3449         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3450         is_iv, expand_scalar_variables_ssa_name,
3451         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3452         expand_scalar_variables, rename_variables, remove_condition,
3453         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3454         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3455         default_liveout_before_guard, add_guard_exit_phis,
3456         insert_guard_phis, register_old_and_new_names,
3457         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3458         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3459         if_region_set_false_region, create_if_region_on_edge,
3460         move_sese_in_condition): Moved to sese.c.
3461
3462         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3463         if_region_exit, if_region_get_condition_block,
3464         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3465         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3466         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3467         ivtype_map_elt, new_ivtype_map_elt,
3468         recompute_all_dominators): Moved to sese.h.
3469
3470         * graphite-clast-to-gimple.c: New.
3471         * graphite-clast-to-gimple.h: New.
3472         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3473         * sese.c: Modified as said above.
3474         * sese.h: Same.
3475
3476 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3477
3478         * graphite.c: Split scop detection to a new file.
3479         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3480         move_sd_regions, loop_affine_expr, exclude_component_ref,
3481         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3482         graphite_cannot_represent_loop_niter, struct scopdet_info,
3483         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3484         find_single_entry_edge, find_single_exit_edge,
3485         create_single_entry_edge, sd_region_without_exit,
3486         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3487         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3488         Moved to graphite-scop-detection.c.
3489
3490         * graphite-scop-detection.c: New.
3491         * graphite-scop-detection.h: New.
3492         * Makefile.in: Add new rule for graphite-scop-detection.o.
3493
3494         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3495         tree-scalar-evolution.h.
3496         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3497         build_sese_loop_nests): Moved here from graphite.c.
3498         (param_index): Renamed parameter_index_in_region.
3499
3500 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3501             Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * gcc.dg/graphite/block-0.c: Expected to fail now.
3504         * gcc.dg/graphite/block-1.c: Same.
3505         * gcc.dg/graphite/block-5.c: Same.
3506         * gcc.dg/graphite/block-6.c: Same.
3507
3508 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3509             Sebastian Pop  <sebastian.pop@amd.com>
3510
3511         * graphite.h: Separate from graphite_bb_p the polyhedral
3512         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3513         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3514         graphite-data-ref.h.
3515         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3516         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3517         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3518         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3519         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3520         scop_nb_params): Moved to graphite-poly.h.
3521         * graphite-data-ref.c: Same.
3522         * graphite-data-ref.h: New.
3523         * graphite.c: Same.
3524         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3525         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3526         is_interchange_valid, graphite_trans_bb_block,
3527         graphite_trans_loop_block, scop_max_loop_depth,
3528         graphite_trans_scop_block, graphite_apply_transformations,
3529         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3530         graphite-poly.c.
3531         * graphite-poly.h: New.
3532         * graphite-poly.c: New.
3533         * Makefile.in (OBJS-common): Add graphite-poly.o.
3534         (graphite-poly.o): New rule.
3535         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3536         (DR_SCOP): Removed.
3537
3538 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3539             Tobias Grosser  <grosser@fim.uni-passau.de>
3540
3541         * graphite.c: Replace gb -> gbb.
3542         * graphite.h: Same.
3543         * graphite-data-ref.c: Same.
3544
3545 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3546             Tobias Grosser  <grosser@fim.uni-passau.de>
3547
3548         * Makefile.in (OBJS-commmon): Add sese.o.
3549         (sese.o): New.
3550         (graphite.o): Add sese.h.
3551         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3552         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3553         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3554         Move to sese.
3555         (block_before_scop): Add missing return.
3556         (new_scop, free_scop): Remove SESE data structures.
3557         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3558         find_scop_parameters, build_loop_iteration_domains,
3559         add_conditions_to_domain, register_scop_liveout_renames,
3560         copy_bb_and_scalar_dependences): Scop -> SESE.
3561
3562         (add_conditions_to_domain): SCoP -> SESE and remove check
3563         (scop_contains_non_iv_scalar_phi_nodes): New.
3564         (build_scop_conditions_1, build_scop_conditions): Remove check for
3565         non iv scalar phi nodes.
3566         (print_scop_statistics): New.
3567         (graphite_transform_loops): Cleanup.
3568
3569         * graphite.h: Move to sese & cleanup.
3570         * sese.c: New.
3571         * sese.h: New.
3572
3573 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3574             Tobias Grosser  <grosser@fim.uni-passau.de>
3575
3576         * graphite.c (build_scop_conditions_1): Conditions are only
3577         at the end of a basic block.
3578
3579 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3580             Tobias Grosser  <grosser@fim.uni-passau>
3581
3582         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3583         field.
3584         (GBB_ALPHA): Removed.
3585
3586 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3587             Tobias Grosser  <grosser@fim.uni-passau.de>
3588
3589         * graphite-data-ref.c (graphite_test_dependence): Don't use
3590         GBB_DYNAMIC_SCHEDULE.
3591         * graphite.c (new_graphite_bb): Same.
3592         (free_graphite_bb): Same.
3593         (build_scop_dynamic_schedules): Removed.
3594         (graphite_transform_loops): Don't call it.
3595         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3596         (GBB_DYNAMIC_SCHEDULE): Removed.
3597
3598 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3599             Tobias Grosser  <grosser@fim.uni-passau.de>
3600
3601         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3602         (print_graphite_bb): Same.
3603         (build_cloog_prog): Same.
3604
3605 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3606             Tobias Grosser  <grosser@fim.uni-passau.de>
3607
3608         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3609
3610 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3611             Tobias Grosser  <grosser@fim.uni-passau.de>
3612
3613         * graphite.c (build_scop_context): Don't use CloogMatrix.
3614         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3615         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3616
3617 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3618             Tobias Grosser  <grosser@fim.uni-passau.de>
3619
3620         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3621         liveout_renames, add_params fields...
3622         (struct sese): ... here.
3623         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3624         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3625
3626 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3627             Tobias Grosser  <grosser@fim.uni-passau.de>
3628
3629         * graphite.c (print_scop): Do not print the CLooG program.
3630         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3631         build_cloog_prog, gloog): Don't use SCOP_PROG.
3632         (find_transform): Renamed scop_to_clast.
3633         (print_generated_program, debug_generated_program): New.
3634         (graphite_transform_loops): Adapt to new interface.
3635         * graphite.h (struct scop): Remove program field.
3636         (SCOP_PROG): Removed.
3637         (print_generated_program, debug_generated_program): Declared.
3638
3639 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3640
3641         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3642         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3643         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3644         free_graphite_bb, build_scop_canonical_schedules,
3645         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3646         schedules are now represented using a ppl_Linear_Expression_t.
3647         * graphite.h (struct graphite_bb): Same.
3648         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3649         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3650
3651 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         * graphite.c: Free local memory.
3654         * graphite-ppl.c: Same.
3655
3656 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3659         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3660         swap_constraint_variables, scale_constraint_variable): Removed.
3661         (graphite_trans_bb_strip_mine): Remove pong.
3662         * graphite-ppl.c: Include missing header files.
3663         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3664         * graphite-ppl.h (ppl_strip_loop): Declared.
3665         * Makefile.in (graphite-ppl.o): Adjust dependences.
3666
3667 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3668
3669         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3670         (build_scop_iteration_domain): Same.
3671
3672 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3673
3674         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3675         ping pong.
3676         (add_value_to_dim, scan_tree_for_params_right_scev,
3677         scan_tree_for_params_int): New.
3678         * graphite-ppl.c (oppose_constraint): New.
3679         (insert_constraint_into_matrix): Implement missing cases.
3680         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3681
3682 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3685         use ppl_move_dimension.
3686
3687 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3690         * graphite.c: Same.
3691         * graphite.h: Same.
3692         * graphite-ppl.c: Same.
3693         * graphite-ppl.h: Same.
3694
3695 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3696
3697         Revert last 3 commits.
3698
3699 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3702         ping pong.
3703         (add_value_to_dim, scan_tree_for_params_right_scev,
3704         scan_tree_for_params_int): New.
3705         * graphite-ppl.c (oppose_constraint): New.
3706         (insert_constraint_into_matrix): Implement missing cases.
3707         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3708
3709 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3712
3713 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3714             Tobias Grosser  <grosser@fim.uni-passau.de>
3715
3716         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3717         use ppl_move_dimension.
3718         * graphite-ppl.c (ppl_move_dimension): New.
3719         * graphite-ppl.h (ppl_move_dimension): Declared.
3720
3721 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3722
3723         * graphite.c: Do not include cloog/cloog.h.
3724         (print_graphite_bb): Remove ping pong, call PPL print function.
3725
3726 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3727
3728         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3729         (graphite.o): Add dependence on graphite-ppl.h.
3730         (graphite-ppl.o): New.
3731         (graphite-data-ref.c): Ping pong between PPL data structures
3732         and matrices.
3733         * graphite-ppl.c: New.
3734         * graphite-ppl.h: New.
3735         * graphite.c: Include graphite-ppl.h.
3736         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3737         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3738         Ping pong between PPL data structures and matrices.
3739         (new_graphite_bb): Create a PPL constraint system.
3740         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3741         (build_loop_iteration_domains): Use PPL functions.
3742         * graphite.h: Include graphite-ppl.h.  Fix comments.
3743         (graphite_bb): Use a ppl_Constraint_System_t instead of
3744         CloogMatrix for representing the domain.
3745         (scop): Remove static_schedule.
3746         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3747
3748 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3749
3750         * graphite.c: Fix some comments.
3751
3752 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3753
3754         PR middle-end/38953
3755         * graphite.c (if_region_set_false_region): After moving a region
3756         in the false branch of a condition, remove the empty dummy
3757         basic block.
3758         (gloog): Remove wrong fix for PR38953.
3759
3760 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3761
3762         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3763         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3764         register_bb_in_sese, new_sese, free_sese): Moved.
3765         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3766         outermost_loop_in_scop, build_scop_iteration_domain,
3767         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3768         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3769         Use loop_in_sese_p instead of loop_in_scop_p.
3770         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3771         (free_scop): Do not free SCOP_BBS_B.
3772         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3773         ref_nb_loops): Moved here...
3774         * graphite.h (ref_nb_loops): ... from here.
3775         (struct scop): Remove bbs_b bitmap.
3776         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3777         * testsuite/gcc.dg/graphite/scop-19.c: New
3778
3779 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3780
3781         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3782         detection.
3783
3784 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3785
3786         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3787         eq_loop_to_cloog_loop): Remove.
3788         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3789         * graphite.h (struct scop): Remove loop2cloog_loop.
3790         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3791
3792 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3793
3794         * opts.c (decode_options): Only add graphite options to O2
3795         if we compile with graphite enabled.
3796
3797 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3798
3799         * Merge from mainline (r143163:143684).
3800
3801 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * graphite.c (debug_value): Removed.
3804         * graphite.h (debug_value): Removed.
3805
3806 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3807
3808         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3809         after graphite: pass_copy_prop does not maintain a proper loop closed
3810         SSA form.  pass_copy_prop should be fixed.
3811
3812 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3815
3816 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3817
3818         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3819         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3820         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3821         changed the CFG.
3822
3823 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite.c (gloog): Return true when code gen succeeded.
3826         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3827         the code of the function did not changed.  After cleanup_tree_cfg
3828         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3829         form.
3830
3831 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3832
3833         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3834         gimple_call_lhs is NULL.
3835
3836 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3837             Tobias Grosser  <tobi.grosser@amd.com>
3838
3839         * graphite.c (graphite_trans_scop_block): Do not block single
3840         nested loops.
3841
3842 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3843             Tobias Grosser  <tobi.grosser@amd.com>
3844
3845         * graphite.c (build_scop_canonical_schedules): Start schedules at
3846         zero.
3847
3848 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3849             Tobias Grosser  <tobi.grosser@amd.com>
3850
3851         * graphite.c (compare_prefix_loops): New.
3852         (build_scop_canonical_schedules): Rewritten.
3853         (graphite_transform_loops): Move build_scop_canonical_schedules
3854         after build_scop_iteration_domain.
3855
3856 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3857             Tobias Grosser  <tobi.grosser@amd.com>
3858
3859         * graphite.c (add_conditions_to_domain): Add the loops to
3860         the dimension of the iteration domain.  Do copy the domain
3861         only when it exists.
3862         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3863         (add_conditions_to_constraints): New.
3864         (can_generate_code_stmt, can_generate_code): Removed.
3865         (gloog): Do not call can_generate_code.
3866         (graphite_transform_loops): Call add_conditions_to_constraints
3867         after building the iteration domain.
3868
3869 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3870             Tobias Grosser  <tobi.grosser@amd.com>
3871             Jan Sjodin  <jan.sjodin@amd.com>
3872
3873         * graphite.c (scan_tree_for_params): On substractions negate
3874         all the coefficients of the term.
3875         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3876         of more than two operands.
3877         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3878         (get_vdef_before_scop): Handle also the case of default definitions.
3879
3880 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3881
3882         PR middle-end/38431
3883         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3884         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3885         (gloog): Do not call cleanup_tree_cfg.
3886         (graphite_transform_loops): Call cleanup_tree_cfg after all
3887         scops have been code generated.
3888
3889 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * passes.c (init_optimization_passes): Schedule after
3892         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3893
3894 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3897         Fix comment.
3898         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3899         Set the type of an expression to the type of its assign statement.
3900         (expand_scalar_variables_expr):  Do not pass loop_p.
3901         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3902         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3903         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3904
3905 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3908         an expression to the gimple_expr_type of its assign statement.
3909         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3910         or tcc_declaration.
3911
3912 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3913
3914         PR tree-optimization/38786
3915         * testsuite/gcc.dg/graphite/pr38786.c: New.
3916         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3917         the SSA_NAME case of expand_scalar_variables_expr.
3918         (expand_scalar_variables_expr): Also gather the scalar computation
3919         used to index the memory access.
3920         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3921         the gimple_stmt_iterator where it inserts new code.
3922
3923 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3924
3925         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3926
3927 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         * opts.c (decode_options): Enable flag_graphite_identity and
3930         flag_loop_block in -O2 and above.
3931
3932 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3933
3934         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3935         Fix merge problem: replace with the file from trunk.
3936
3937 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3938
3939         * Merge from mainline (r141727:143163).
3940
3941 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3942             Jan Sjodin  <jan.sjodin@amd.com>
3943
3944         PR tree-optimization/38559
3945         * testsuite/gcc.dg/graphite/pr38559.c: New.
3946
3947         * graphite.c (debug_value, copy_constraint,
3948         swap_constraint_variables, scale_constraint_variable, ): New.
3949         (get_lower_bound, get_upper_bound): Removed.
3950         (graphite_trans_bb_strip_mine): Clean up this code that works
3951         only for constant number of iterations.  Fully copy upper and
3952         lower bound constraints, not only the constant part of them.
3953         * graphite.h (debug_value): Declared.
3954
3955 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3956
3957         PR tree-optimization/38492
3958         PR tree-optimization/38498
3959         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3960         * tree-chrec.h (scev_is_linear_expression): Declared.
3961         * graphite.c (graphite_cannot_represent_loop_niter): New.
3962         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3963         (graphite_loop_normal_form): Use gcc_assert.
3964         (scan_tree_for_params): Use CASE_CONVERT.
3965         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3966         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3967         Use gcc_assert.  Discard scops that contain unhandled cases.
3968         (build_scop_conditions): Return a boolean status for unhandled cases.
3969         (strip_mine_profitable_p): Print the loop number, not its depth.
3970         (is_interchange_valid): Pass the depth of the loop nest, don't
3971         recompute it wrongly.
3972         (graphite_trans_bb_block): Same.
3973         (graphite_trans_bb_block): Print tentative of loop blocking.
3974         (graphite_trans_scop_block): Do not print that the loop has been
3975         blocked.
3976         (graphite_transform_loops): Do not handle scops that contain condition
3977         scalar phi nodes.
3978
3979         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3980         in trunk.
3981         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3982         * testsuite/gcc.dg/graphite/block-1.c: Same.
3983         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3984         blocking.
3985         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3986         * testsuite/gcc.dg/graphite/block-3.c: New.
3987         * testsuite/gcc.dg/graphite/pr38498.c: New.
3988
3989 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3990
3991         PR tree-optimization/38510
3992         * gcc.dg/graphite/pr38510.c: New.
3993         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3994           (translate_clast): Call recompute_all_dominators before
3995           graphite_verify.
3996           (gloog): Call recompute_all_dominators before graphite_verify.
3997
3998 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3999
4000         PR tree-optimization/38492
4001         * graphite.c (rename_map_elt, debug_rename_elt,
4002         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4003         rename_map_elt_info, eq_rename_map_elts,
4004         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4005         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4006         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4007         (sese_build_livein_liveouts): New.
4008         (new_sese, free_sese): New.
4009         (new_scop): Call new_sese.
4010         (free_scop): Call free_sese.
4011         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4012         (register_old_new_names): Renamed register_old_and_new_names.
4013         (register_scop_liveout_renames, add_loop_exit_phis,
4014         insert_loop_close_phis, struct igp,
4015         default_liveout_before_guard, add_guard_exit_phis,
4016         insert_guard_phis, copy_renames): New.
4017         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4018         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4019         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4020         (scop_adjust_phis_for_liveouts): New.
4021         (gloog): Call scop_adjust_phis_for_liveouts.
4022
4023         * graphite.h (struct sese): Documented.  Added fields liveout,
4024         num_ver and livein.
4025         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4026         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4027         (struct scop): Added field liveout_renames.
4028         (SCOP_LIVEOUT_RENAMES): New.
4029
4030 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         PR tree-optimization/38409
4033         * gcc.dg/graphite/pr38409.c: New.
4034         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4035
4036 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4037
4038         * graphite.c (gcc_type_for_cloog_iv): By default return
4039         integer_type_node.
4040         (graphite_create_new_loop): Don't fold_convert the already
4041         fold_convert-ed expression.
4042
4043 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4044
4045         PR tree-optimization/38446
4046         * gcc.dg/graphite/pr38446.c: New.
4047         * graphite.c (register_bb_in_sese): New.
4048         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4049         looking at the bbs in the region.
4050         * graphite.h (sese): Add region_basic_blocks pointer set to
4051         structure and initialize at the time of defining new scop.
4052
4053 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4054
4055         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4056         (find_params_in_bb): Do not free data refs.
4057         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4058
4059 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4060
4061         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
4062         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4063         * testsuite/gcc.dg/graphite/block-5.c: New.
4064         * testsuite/gcc.dg/graphite/block-6.c: New.
4065         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
4066         * testsuite/gcc.dg/graphite/pr37684.c: Same.
4067         * testsuite/gcc.dg/graphite/block-2.c: Same.
4068
4069         * graphite.c (struct ivtype_map_elt): New.
4070         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4071         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4072         gcc_type_for_cloog_iv): New.
4073         (loop_iv_stack_patch_for_consts): Use the type of the induction
4074         variable from the original loop, except for the automatically
4075         generated loops, i.e., in the case of a strip-mined loop, in
4076         which case there is no original loop: in that case just use
4077         integer_type_node.
4078         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4079         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4080         (clast_name_to_gcc): Accept params to be NULL.
4081         (clast_to_gcc_expression): Take an extra parameter for the type.
4082         Convert to that type all the expressions built by this function.
4083         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4084         (graphite_translate_clast_equation): Compute the type of the
4085         clast_equation before translating its LHS and RHS.
4086         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4087         (graphite_create_new_loop): Compute the type of the induction
4088         variable before translating the lower and upper bounds and before
4089         creating the induction variable.
4090         (rename_variables_from_edge, rename_phis_end_scop): New.
4091         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4092         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4093         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4094         compute_cloog_iv_types): New.
4095         (gloog): Call compute_cloog_iv_types before starting the
4096         translation of the clast.
4097
4098         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4099         (GBB_CLOOG_IV_TYPES): New.
4100         (debug_ivtype_map): Declared.
4101         (oldiv_for_loop): New.
4102
4103 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4104
4105         PR middle-end/38459
4106         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4107         (param_index): Assert if parameter is not know after parameter
4108         detection.
4109         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4110         (find_scop_parameters): Mark, that we have finished parameter
4111         detection.
4112         (graphite_transform_loops): Move condition detection before parameter
4113         detection.
4114         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4115         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
4116
4117 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4118
4119         * graphite.c (graphite_transform_loops): Always call find_transform ()
4120         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4121         generate code.
4122
4123 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4124
4125         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4126         (print_scop): Ditto.
4127
4128 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4129
4130         PR middle-end/38084
4131         Fix testsuite/gfortran.dg/graphite/id-3.f90.
4132         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4133         regions more than once.
4134
4135 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4136
4137         Fix testsuite/gfortran.dg/graphite/id-4.f90.
4138         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4139         when not needed.
4140
4141 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4142
4143         Fix testsuite/gfortran.dg/graphite/id-1.f90.
4144         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4145         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4146         (max_precision_type): New.
4147         (value_clast): Removed.
4148         (clast_to_gcc_expression): Be more careful to types of expressions.
4149         Use max_precision_type and update use of gmp_cst_to_tree.
4150         (graphite_translate_clast_equation): Use max_precision_type.
4151         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4152         use the type of the condition.
4153         (graphite_create_new_loop): Do not use integer_type_node, use the
4154         max_precision_type of lb and ub.
4155
4156 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4157
4158         * graphite.c (build_scops_1): Initialize open_scop.exit
4159         and sinfo.last.
4160
4161 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4162
4163         * testsuite/gcc.dg/graphite/pr38084.c: New.
4164         * testsuite/gfortran.dg/graphite/id-1.f90: New.
4165         * testsuite/gfortran.dg/graphite/id-2.f90: New.
4166         * testsuite/gfortran.dg/graphite/id-3.f90: New.
4167         * testsuite/gfortran.dg/graphite/id-4.f90: New.
4168         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
4169
4170 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4171             Jan Sjodin  <jan.sjodin@amd.com>
4172             Harsha Jagasia  <harsha.jagasia@amd.com>
4173
4174         PR middle-end/37852
4175         PR middle-end/37883
4176         PR middle-end/37928
4177         PR middle-end/37980
4178         PR middle-end/38038
4179         PR middle-end/38039
4180         PR middle-end/38073
4181         PR middle-end/38083
4182         PR middle-end/38125
4183
4184         * testsuite/gcc.dg/graphite/pr38073.c: New.
4185         * testsuite/gcc.dg/graphite/pr37928.c: New.
4186         * testsuite/gcc.dg/graphite/pr37883.c: New.
4187         * testsuite/gcc.dg/graphite/pr38125.c: New.
4188         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
4189         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
4190         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
4191
4192         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
4193         the number of detected scops.  Copy exact same test for loop
4194         blocking...
4195         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
4196         loops to be blocked as reductions are not handled.
4197         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
4198
4199         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4200         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4201         ...here.
4202         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4203         * Makefile.in (graphite.o): Depend on value-prof.h.
4204         (graphite.o-warn): Removed -Wno-error.
4205         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4206         to be a NULL pointer.  Call update_stmt.  Return the newly created
4207         cannonical induction variable.
4208
4209         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4210
4211         * graphite.c: Reimplement the code generation from graphite to gimple.
4212         Include value-prof.h.
4213         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4214         (get_old_iv_from_ssa_name): Removed.
4215         (graphite_stmt_p): New.
4216         (new_graphite_bb): Test for useful statements before building a
4217         graphite statement for the basic block.
4218         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4219         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4220         reason.
4221         (recompute_all_dominators, graphite_verify,
4222         nb_reductions_in_loop, graphite_loop_normal_form): New.
4223         (scop_record_loop): Call graphite_loop_normal_form.
4224         (build_scop_loop_nests): Iterate over all the blocks of the
4225         function instead of relying on the incomplete information from
4226         SCOP_BBS.  Return the success of the operation.
4227         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4228         (add_bb_domains): Removed.
4229         (build_loop_iteration_domains): Don't call add_bb_domains.
4230         Add the iteration domain only to the basic blocks that have been
4231         translated to graphite.
4232         (build_scop_conditions_1): Add constraints only if the basic
4233         block have been translated to graphite.
4234         (build_scop_data_accesses): Completely disabled until data
4235         dependence is correctly implemented.
4236         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4237         (remove_all_edges_1, remove_all_edges): Removed.
4238         (get_new_name_from_old_name): New.
4239         (graphite_rename_variables_in_stmt): Renamed
4240         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4241         Use replace_exp and update_stmt.
4242         (is_old_iv): Renamed is_iv.
4243         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4244         Use replace_exp and update_stmt.
4245         (expand_scalar_variables_expr): Same.  Use the map to get the
4246         new names for the renaming of induction variables and for the
4247         renaming of variables after a basic block has been copied.
4248         (expand_scalar_variables): Same.
4249         (graphite_rename_variables): Renamed rename_variables.
4250         (move_phi_nodes): Removed.
4251         (get_false_edge_from_guard_bb): New.
4252         (build_iv_mapping): Do not insert the induction variable of a
4253         loop in the renaming iv map if the basic block does not belong
4254         to that loop.
4255         (register_old_new_names, graphite_copy_stmts_from_block,
4256         copy_bb_and_scalar_dependences): New.
4257         (translate_clast): Heavily reimplemented: copy basic blocks,
4258         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4259         At each translation step call graphite_verify ensuring the
4260         consistency of the SSA, loops and dominators information.
4261         (collect_virtual_phis, find_vdef_for_var_in_bb,
4262         find_vdef_for_var_1, find_vdef_for_var,
4263         patch_phis_for_virtual_defs): Removed huge hack.
4264         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4265         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4266         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4267         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4268         if_region_get_condition_block, if_region_set_false_region,
4269         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4270         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4271         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4272         rewrite_into_sese_closed_ssa): New.
4273         (gloog): Remove dead code.  Early return if code cannot be
4274         generated.  Call cleanup_tree_cfg once the scop has been code
4275         generated.
4276         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4277         block loops with less than two loops.
4278         (graphite_apply_transformations): Remove the call to
4279         scop_remove_ignoreable_gbbs.
4280         (limit_scops): When build_scop_loop_nests fails, continue on
4281         the next scop.  Fix open_scop.entry.
4282         (graphite_transform_loops): Call recompute_all_dominators: force the
4283         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4284         Call initialize_original_copy_tables and free_original_copy_tables
4285         to be able to copy basic blocks during code generation.
4286         When build_scop_loop_nests fails, continue on next scop.
4287         (value_clast): New union.
4288         (clast_to_gcc_expression): Fix type cast warning.
4289
4290 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4291
4292         * Merge from mainline (r140838:141727).
4293
4294 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4295
4296         PR middle-end/37833
4297
4298         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4299
4300 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4301
4302         PR middle-end/37943
4303
4304         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4305         exits and conditions.
4306         * testsuite/gcc.dg/graphite/pr37943.c: New.
4307
4308 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4309
4310         PR middle-end/37886
4311         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4312
4313 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4314
4315         * doc/invoke.texi: Fix spaces.
4316
4317 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4318
4319         PR tree-optimization/37891
4320         Reverted last commit.
4321         * graphite.c (create_single_entry_edge): Set
4322         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4323
4324 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4325             Mitul Thakkar  <mitul.thakkar@amd.com>
4326
4327         * graphite.c (create_single_entry_edge): Set
4328         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4329
4330 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4331
4332         * doc/invoke.texi: Add -fgraphite-identity.
4333         * graphite.c (graphite_apply_transformations): Check for
4334         -fgraphite-identity.
4335         * toplev.c (process_options): Add flag_graphite_identity.
4336         * tree-ssa-loop.c: Add flag_graphite_identity.
4337
4338 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4339
4340         Undo changes from 2008-10-02:
4341         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4342         operand type when copying the operand to a variable of different type.
4343         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4344         with the IV name after increment.
4345
4346 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4347             Harsha Jagasia  <harsha.jagasia@amd.com>
4348
4349         PR tree-optimization/37828
4350         * testsuite/gcc.dg/graphite/pr37828.c: New.
4351         * graphite.c (graphite_trans_loop_block): Do not loop block
4352         single nested loops.
4353
4354 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4355             Sebastian Pop  <sebastian.pop@amd.com>
4356
4357         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4358         rename_map_elt_info, eq_rename_map_elts): New.
4359         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4360         (expand_scalar_variables_expr): Change parameters.
4361         (expand_scalar_variables_stmt): Same.
4362         (expand_scalar_variables): Same.
4363         (graphite_rename_ivs): Rename graphite_rename_variables.
4364         (build_iv_mapping): New.
4365         (translate_clast): Call build_iv_mapping.
4366         * graphite.h (gbb_p): New name.
4367
4368 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4369
4370         PR tree-optimization/37684
4371         * gcc.dg/graphite/pr37684.c: New.
4372         * graphite.c (exclude_component_ref): New.
4373         (is_simple_operand): Call exclude_component_ref.
4374
4375 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4376             Harsha Jagasia  <harsha.jagasia@amd.com>
4377
4378         PR tree-optimization/37485
4379         * gcc.dg/graphite/block-2.c: New
4380         * graphite.c (gmp_cst_to_tree): Moved.
4381         (iv_stack_entry_is_constant): New.
4382         (iv_stack_entry_is_iv): New.
4383         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4384         (loop_iv_stack_insert_constant): New.
4385         (loop_iv_stack_pop): Use new datatpype.
4386         (loop_iv_stack_get_iv): Same.
4387         (loop_iv_stack_get_iv_from_name): Same.
4388         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4389         (loop_iv_stack_patch_for_consts): New.
4390         (loop_iv_stack_remove_constants): New.
4391         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4392         (translate_clast): Call loop_iv_stack_patch_for_consts and
4393         loop_iv_stack_remove_constants.
4394         (gloog): Use new datatype.  Redirect construction edge to end
4395         block to avoid accidental deletion.
4396         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4397         iv stack entry.
4398         (union iv_stack_entry_data): New.  Data in iv stack entry.
4399         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4400
4401 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4402
4403         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4404         operand type when copying the operand to a variable of different type.
4405
4406 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4407
4408         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4409         with the IV name after increment.
4410
4411 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4412
4413         * Merge from mainline (r140164:140838).
4414
4415 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4416
4417         * graphite-data-ref.c: New.
4418         * graphite.c (print_scop): Also dump the dependence graph.
4419         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4420         (new_scop): Initialize SCOP_DEP_GRAPH.
4421         (build_scop_dynamic_schedules): New.
4422         (build_access_matrix_with_af): Fixed column numbering.
4423         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4424         * graphite.h: Add ifndef/define guards against multiple inclusion.
4425         (struct scop): Add dep_graph field.
4426         (SCOP_DEP_GRAPH): Defined.
4427         (ref_nb_loops): Fixed and moved to other position.
4428         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4429         (nb_loops_around_loop_in_scop): New.
4430         (graphite_dump_dependence_graph): Declared.
4431         (graphite_build_rdg_all_levels): Declared.
4432         (graphite_test_dependence): Declared.
4433         * Makefile.in (graphite-data-ref.o): New target.
4434
4435 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4436
4437         * Merge from mainline (139870:140164).
4438
4439 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4440
4441         * Merge from mainline (138275:139870).
4442         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4443         the commits from trunk broke the niter detection.
4444
4445 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4446
4447         * graphite.c: Add more documentation.  Fix formatting.
4448         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4449         loop_iv_stack_debug): Moved...
4450         (schedule_to_scattering): Move before use.
4451         (dot_all_scops): Include in "#if 0" the code for system
4452         call dotty.
4453
4454         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4455         loop_iv_stack_debug): ...here.
4456
4457 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4458
4459         * tree-phinodes.c (make_phi_node): Extern.
4460         (add_phi_node_to_bb): New.
4461         (create_phi_node): Call add_phi_node_to_bb.
4462         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4463         (remove_statement): Handle case where stored phi was updated
4464         and is no longer the same.
4465         * graphite.c (is_parameter): New.
4466         (is_old_iv): New.
4467         (expand_scalar_variables_expr): New.
4468         (expand_scalar_variables_stmt): New.
4469         (expand_scalar_variables): New.
4470         (move_phi_nodes): Create new phi instead of moving old one.
4471         (translate_clast): Call expand_scalar_variables.
4472         (find_vdef_for_var_in_bb): Also scan regular definitions.
4473         (skip_phi_defs): New.
4474         (collect_scop_exit_phi_args): New.
4475         (patch_scop_exit_phi_args): New.
4476         (gloog): Patch phis after scop.
4477         * tree-flow.h: (add_phi_node_to_bb): Declared.
4478         (make_phi_node): Declared.
4479
4480 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4481
4482         * graphite.c (end_scop): Split the entry of the scop when it
4483         is the header of the loop in which the scop is ending.
4484         (build_scops_1, limit_scops): Update uses of end_scop.
4485
4486 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4487
4488         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4489         SCOP_ENTRY or SCOP_EXIT.
4490
4491 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4492
4493         * graphite.c (get_construction_edge): Removed.
4494         (gloog): Construction edge is the scop entry edge.
4495
4496 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4497
4498         * graphite.c (can_generate_for_scop): Removed.
4499         (gloog): Do not call it.
4500
4501 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4502
4503         * graphite.c (new_scop): Entry of a scop is an edge.
4504         Initialize SESE region.
4505         (free_scop): Free SESE region.
4506         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4507         (split_difficult_bb): New, split from end_scop.
4508         (end_scop): Exit of a scop is an edge.
4509         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4510         not automatically updated and thus is always wrong.
4511         * graphite.h (struct sese): New.
4512         (SESE_ENTRY): New.
4513         (SESE_EXIT): New.
4514         (struct scop): New field for a SESE region.  Remove entry, exit.
4515         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4516         semantics as before.  Moved comment around.
4517
4518 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4519             Sebastian Pop  <sebastian.pop@amd.com>
4520
4521         * graphite.c (graphite_transform_loops): Always enable gloog
4522         and find_transform when ENABLE_CHECKING.
4523
4524 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4525
4526         * graphite.c (graphite_transform_loops): Move pretty printer
4527         of SCOPs before doing any transform.  Remove call to print_scops
4528         and dot_all_scops_1.
4529
4530 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4531
4532         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4533         (print_graphite_bb): Same.
4534
4535 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4536
4537         * graphite.c (dot_all_scops_1): Cleanup.
4538         (move_scops): Fix comment.
4539
4540 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4541
4542         * graphite.c (build_scop_bbs): Revert commit 139355:
4543
4544         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4545                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4546
4547                 * graphite.c (build_scop_bbs): Factor up code.
4548
4549 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4550
4551         * graphite.c (gloog): Update dominator info.
4552
4553 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4554
4555         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4556
4557 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4558
4559         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4560         initialization.
4561         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4562         (translate_clast): Correct formatting.
4563         * graphite.h (struct num_map): Removed.
4564         (struct graphite_bb): Remove num_map field.
4565         (GBB_INDEX_TO_NUM_MAP): Removed.
4566
4567 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4568
4569         * graphite.c (build_access_matrix_with_af): Fix comments.
4570         (build_scop_data_accesses): Same.
4571
4572 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4573
4574         * graphite.c (build_scop_data_accesses): Don't construct
4575         access matrices.  Add a FIXME and an assert condition that
4576         should pass when the access matrices will be needed.
4577
4578 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4579
4580         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4581         really_constant_p.
4582         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4583         Moved close by free_graphite_bb.
4584         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4585         (new_scop): Move close by free_scop.
4586         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4587
4588 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4589
4590         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4591         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4592         instead of recursive call.
4593         (graphite_translate_clast_equation): New.
4594         (graphite_create_guard_cond_expr): New.
4595         (graphite_create_new_guard): New.
4596         (get_stack_index_from_iv): Removed.
4597         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4598         (get_true_edge_from_guard_bb): New.
4599         (translate_clast): Handle stmt_guard in clast.
4600         (get_construction_edge): Allow construction edge detection for
4601         a scope entry with multiple predecessors if one predecessor is
4602         the immediate dominator of scope entry.
4603         (can_generate_code_stmt): Enable code generation for clast_guard.
4604         (gloog): Use correct context loop.  Removed check for post dominators.
4605         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4606
4607 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4608
4609         * graphite.c (remove_dead_loops): Document better which
4610         loops are removed.
4611
4612 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4613
4614         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4615         and PPLINC.
4616         (graphite.o): Also depends on pointer-set.h.
4617
4618 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * graphite.c (scop_record_loop): Fix compile warning.
4621
4622 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4623             Sebastian Pop  <sebastian.pop@amd.com>
4624
4625         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4626
4627 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4628
4629         * graphite.c (build_graphite_bb): Initialize bb->aux to
4630         point to the graphite_bb_p.
4631         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4632         content of bb->aux.
4633         (add_bb_domains): Does not use the scop parameter.
4634         (graphite_transform_loops): Clean bb->aux at the end.
4635
4636 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4637             Sebastian Pop  <sebastian.pop@amd.com>
4638
4639         * testsuite/lib/target-supports.exp
4640         (check_effective_target_fgraphite): New.
4641
4642         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4643         check_effective_target_fgraphite returns false.
4644         Set dg-do-what-default to compile.
4645         (scan-graphite-dump-times): Removed.
4646         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4647
4648         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4649         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4650         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4651         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4652         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4653         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4654         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4655         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4656         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4657         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4658         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4659         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4660         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4661         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4662         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4663         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4664         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4665         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4666         * testsuite/gcc.dg/graphite/block-0.c: Same.
4667         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4668         * testsuite/gcc.dg/graphite/block-1.c: Same.
4669         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4670         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4671         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4672         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4673         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4674
4675 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4676
4677         * graphite.c: Fix some XXX comments.
4678         (build_scop_dynamic_schedules): Removed.
4679
4680 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4681
4682         * graphite.h (scop_max_loop_depth): Moved...
4683         * graphite.c (scop_max_loop_depth): ...here.
4684         (remove_all_edges_1): New.
4685         (remove_all_edges): Factored code.
4686         (remove_cond_exprs): Check only the last statement for
4687         a GIMPLE_COND expression.
4688
4689 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4690
4691         * graphite.c (scan_tree_for_params): Early return when the
4692         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4693         (find_scop_parameters): Factor out code.
4694         (graphite_trans_bb_strip_mine): Remove dead code.
4695
4696 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4697
4698         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4699         graphite_trans_bb_move_loop): Factor asserts.
4700         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4701         Do not call calculate_dominance_info and estimate_bb_frequencies.
4702
4703 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4704
4705         * graphite.c (create_loops_mapping, free_loops_mapping,
4706         create_loops_mapping_num, debug_loop_mapping_1,
4707         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4708         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4709         graphite_loops_mapping_add_child_num,
4710         graphite_loops_mapping_insert_child,
4711         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4712         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4713         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4714         create_num_from_index, get_num_from_index,
4715         swap_loop_mapped_depth): Removed.
4716         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4717         (free_scop): Do not call free_loops_mapping.
4718         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4719         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4720         get_loop_mapped_depth.
4721         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4722         (graphite_trans_bb_strip_mine): Same.
4723         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4724         (struct scop): Remove field loops_mapping.
4725
4726 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4727             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4728
4729         * graphite.c (scop_record_loop): Factor out one level of the
4730         condition by early return.
4731         (build_scop_loop_nests): Format following FSF coding style.
4732         (build_scop_dynamic_schedules): Factor out code.
4733         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4734
4735 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4736             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4737
4738         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4739         assignments that are not handled as simple operands for now.
4740
4741 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4742             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4743
4744         * graphite.c (build_scop_bbs): Factor up code.
4745
4746 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4747             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4748
4749         * graphite.c (stmt_simple_for_scop_p): Factor code out
4750         of the loop.
4751         (enum gbb_type): New.  Group all the GBB_* types under it.
4752         (is_loop_exit): Moved...
4753         (end_scop): Enable BB spliting.
4754         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4755         * cfgloop.h (is_loop_exit): Declared.
4756
4757 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4758
4759         * doc/invoke.texi: Remove strides from examples containing
4760         DO loops when the strides are equal to 1.
4761
4762 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4763             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4764
4765         * graphite.c (graphite_trans_scop_block): Or the result with
4766         the result from graphite_trans_loop_block.
4767         * testsuite/gcc.dg/graphite/block-1.c: New.
4768         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4769         * testsuite/gfortran.dg/graphite/block-2.f: New.
4770
4771 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4772
4773         * graphite.c (graphite_transform_loops): Call cloog_initialize
4774         and cloog_finalize.
4775
4776 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4777
4778         * tree-data-ref.c) (stmt_simple_memref_p): New.
4779         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4780         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4781         (is_simple_operand): Call stmt_simple_memref_p.
4782
4783         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4784         using pointer arithmetic, as this is optimized by PRE and
4785         makes the code too difficult to analyze.
4786
4787         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4788
4789 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4790
4791         * gdbinit.in (pgg): New.
4792
4793 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4794
4795         * graphite.c (graphite_trans_loop_block): Fix warning.
4796
4797 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4798
4799         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4800
4801 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4802
4803         * graphite.c (graphite_trans_bb_block): Remove check for
4804         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4805         Check if loop blocking is profitable for every loop, before applying
4806         the changes.
4807         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4808         if flag_loop_block is set.
4809
4810 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4811
4812         * graphite.c: Add some more documentation for the loop
4813         mapping.
4814
4815 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4816
4817         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4818         * graphite.c: Format on less than 80 columns.
4819         * graphite.h: Same.
4820
4821 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4822
4823         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4824
4825 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * doc/invoke.texi (floop-block, floop-strip-mine,
4828         floop-interchange): Update documentation with examples.
4829
4830 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4831
4832         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4833         add_referenced_var.
4834         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4835
4836 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4837
4838         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4839         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4840         * tree-scalar-evolution.c: Revert useless changes.
4841         * tree-phinodes.c: Same.
4842         * cfghooks.c: Same.
4843         * vec.h: Same.
4844         * tree-vectorizer.h: Same.
4845         * tree-flow.h: Same.
4846         * tree-cfg.c: Same.
4847         * common.opt (fgraphite): Update documentation.
4848
4849 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4850
4851         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4852         -floop-interchange): Add more text for explaining what each of these
4853         flags is doing.
4854         * tree-into-ssa.c (gimple_vec): Moved to...
4855         * graphite.c: Include gimple.h.
4856         (gimple_vec): Moved to...
4857         (del_loop_to_cloog_loop): Removed.
4858         (loop_affine_expr): Do not call create_data_ref when the
4859         operand is a constant.
4860         (new_scop): Use free instead of del_loop_to_cloog_loop.
4861         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4862         * gimple.h (gimple_vec): ... here.
4863
4864 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4865
4866         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4867         latch executions.
4868         (build_loop_iteration_domains): Fail, if latch executions unknown.
4869
4870 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4871
4872         * graphite.c (add_conditions_to_domain): New.
4873         (build_scop_conditions_1): Call add_conditions_to_domain.
4874         (set_cloog_options): Allow to disable optimizations.
4875
4876 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4877
4878         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4879         Do not use walk_dominator_tree.
4880         (find_scop_parameters): Do not use walk_dominator_tree.
4881
4882 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4883
4884         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4885         (idx_record_params): Adapt.
4886         * graphite.h (scop_gimple_loop_depth): New.
4887
4888 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4889
4890         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4891         (scan_tree_for_params): Remove value_init.
4892         (build_scop_context): Remove value_init.
4893         (build_loop_iteration_domains): Remove value_init.
4894         (schedule_to_scattering): Remove value_init.
4895         (graphite_trans_bb_strip_mine): Remove value_init.
4896
4897 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4898
4899         * gcc/graphite.c (limit_scops): New.
4900         (graphite_transform_loops): Add limit SCoPs.
4901         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4902         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4903         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4904         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4905         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4906         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4907         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4908         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4909         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4910         Change loop numbers.
4911         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4912         Change loop numbers.
4913         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4914         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4915         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4916         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4917         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4918         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4919         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4920         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4921         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4922         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4923
4924 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4925
4926         * graphite.c (graphite_transform_loops): Call always find_transform.
4927
4928 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4929
4930         * graphite.c (free_loops_mapping): New.
4931         (stmt_simple_for_scop_p): Fix typo.
4932         (stmt_simple_for_scop_p): Fix tuples functions, that
4933         broke polyhedron.
4934         (free_graphite_bb): Fix some memleaks.
4935         (free_scop): Fix some memleaks.
4936         (scopdet_bb_info): Do not forget some tmp SCoPs.
4937         (find_params_in_bb): Fix some memleaks.
4938         (clast_to_gcc_expression): Fix warning.
4939
4940 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4941
4942         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4943         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4944
4945 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4946
4947         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4948         Move code ifdef-ed HAVE_cloog...
4949         * graphite.c: Include toplev.h.
4950         ... here.
4951         * Makefile.in (OBJS-common): Always build graphite.o.
4952         (BACKEND): Remove @GRAPHITE@.
4953         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4954         (graphite.o): Depend on TOPLEV_H.
4955
4956 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4957
4958         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4959         Remove typo left from polylib to ppl conversion.
4960         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4961
4962 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4963
4964         * toplev.c (process_options): Move the graphite loop optimization
4965         flags...
4966         * tree-ssa-loop.c (graphite_transforms): ... here.
4967         When not configured with CLooG, print to dump_file that
4968         Graphite transforms were not performed.
4969         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4970         New.
4971         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4972         scan-graphite-dump-times.
4973
4974 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4975
4976         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4977         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4978
4979 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4980             Jan Sjodin  <jan.sjodin@amd.com>
4981
4982         * configure: Regenerated.
4983         * omp-low.c (expand_omp_sections): Remove now unused code.
4984         * config.in (HAVE_polylib): Removed.
4985         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4986         (PPLLIBS, PPLINC): Added.
4987         * graphite.c: Replace unsigned with int wherever possible.
4988         Don't access Cloog's data structures, but use accessor functions.
4989         Clast's stmt->type is now implemented as a vtable: change the
4990         switches of stmt->type into ifs.
4991         (polylib/polylibgmp.h): Don't include.
4992         (initialize_dependence_polyhedron,
4993         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4994         statement_precedes_p, test_dependence, build_rdg_all_levels,
4995         dump_dependence_graph): Removed until this code is cleaned up
4996         or ported to Cloog.
4997         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4998         (POLYLIBINC): Renamed PPLINC.
4999
5000 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5001             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5002             Jan Sjodin  <jan.sjodin@amd.com>
5003
5004         Finish the merge and tuplification of graphite.
5005
5006 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5007             Jan Sjodin  <jan.sjodin@amd.com>
5008
5009         Partial merge from mainline (138072:138275).
5010         * graphite.c still has to be tuplified.
5011
5012 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5013
5014         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5015         (create_num_from_index): New.
5016         (get_num_from_index): Also pass in the graphite BB.
5017         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5018         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5019         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5020         (is_interchange_valid): Return false when failing.
5021         * graphite.h (struct num_map): New.
5022         (struct graphite_bb): New field num_map.
5023         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5024
5025 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5026
5027         * graphite.c (dump_gbb_conditions): Print also conditions like
5028         "if (a)".  Remove dublicated code and use print_generic_expr ().
5029         (stmt_simple_for_scop_p): Only allow conditions we can handle
5030         {<, <=, >, >=}.
5031
5032 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5033
5034         * graphite.h (struct scop): Removed new_ivs field.
5035         (SCOP_NEWIVS): Deleted.
5036         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5037         clast_to_gcc_expression, graphite_create_new_loop):
5038         Removed use of new_ivs.
5039
5040 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5041
5042         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5043         create_loops_mapping_num, debug_loop_mapping_1): New.
5044         (debug_loop_mapping): Call debug_loop_mapping_1.
5045         (get_loop_mapping_for_num,
5046         graphite_loops_mapping_add_child,
5047         graphite_loops_mapping_add_child_num,
5048         graphite_loops_mapping_insert_child,
5049         graphite_loops_mapping_parent,
5050         split_loop_mapped_depth_for_num,
5051         loop_mapped_depth_split_loop): New.
5052         (increment_loop_mapped_depths): Removed.
5053         (swap_loop_mapped_depth_for_num): Reimplemented.
5054         (new_scop): Call create_loops_mapping.
5055         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5056         (translate_clast): Pass the old loop father in parameter, and pass
5057         it to get_old_iv_from_ssa_name.
5058         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5059         can_generate_code, can_generate_for_scop): New.
5060         (graphite_trans_bb_block): Returns false when it fails to transform.
5061         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5062
5063 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5064
5065         Reverted all the changes related to the streamization and
5066         loop fusion.
5067         These changes are now tracked in the streamization branch.
5068
5069 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5070             Jan Sjodin  <jan.sjodin@amd.com>
5071
5072         * graphite.c (gbb_compare): Correctly constify.
5073         (gbb_can_be_ignored): Indent.
5074         (graphite_trans_scop_swap_1and2): Add legality check.
5075         Remove dead FIXMEs.
5076
5077 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5078
5079         Remove fallouts from "Reverted the Condate changes".
5080         * tree.h: Remove unused decl.
5081         * testsuite/gcc.dg/tree-checker: Same.
5082         * timevar.def: Remove counter.
5083
5084 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5085
5086         * Merge from mainline (135673:138072).
5087
5088         Reverted the MIRO changes (from 2008-04-05) that are now
5089         tracked in the miro branch.
5090         * tree-bounds.c: Removed.
5091         * tree-bounds.h: Removed.
5092
5093         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5094         are now tracked in the condate branch.
5095         * tree-check.c: Removed.
5096         * tree-match.c: Removed.
5097         * condate.y: Removed.
5098
5099 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5100
5101         * common.opt: New user flag -floop-block, -floop-strip-mine
5102         and -floop-interchange.
5103         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5104         graphite loop optimization flags is turned on.
5105         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5106         flag_loop_strip_mine and flag_loop_interchange checks before
5107         optimizations.
5108         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5109         -floop-strip-mine and -floop-interchange.
5110         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
5111         -fgraphite.
5112         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
5113         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
5114         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
5115
5116 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5117             Sebastian Pop  <sebastian.pop@amd.com>
5118
5119         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5120         (create_empty_loop_on_edge): More fixes.
5121         * tree-phinodes.c (resize_phi_node): Extern.
5122         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5123         * cfghooks.c (update_dominator_information): New split from
5124         split_edge.
5125         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5126         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5127         successor of the function entry block.
5128
5129         * graphite.c: Include pointer-set.h.
5130         (debug_loop_mapping, increment_loop_mapped_depths,
5131         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5132         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5133         swap_loop_mapped_depth_for_num, get_num_from_index,
5134         swap_loop_mapped_depth, loop_iv_stack_debug,
5135         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5136         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5137         get_old_iv_from_ssa_name): New.
5138         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5139         (free_scop): Free SCOP_LOOPS_MAPPING.
5140         (scop_record_loop): Record old ivs.
5141         (create_var_name): Removed.
5142         (initialize_cloog_names): Allocate double space in case strip mine
5143         applies to all loops once.
5144         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5145         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5146         translation.
5147         (graphite_create_new_loop): Pass in ivstack.
5148         (remove_all_edges): Pass in the construction_edge.
5149         (graphite_remove_iv): Removed.
5150         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5151         remove_cond_exprs): Rewritten.
5152         (move_phi_nodes): New.
5153         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5154         (translate_clast): Pass in ivstack.  Rewrite some cases.
5155         (set_cloog_options, debug_clast_stmt): New.
5156         (find_transform): Use set_cloog_options.
5157         (outermost_loop_layer): Removed.
5158         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5159         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5160         mark_old_loops, remove_dead_loops): New.
5161         (gloog): Rewritten.
5162         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5163         (const_column_index, get_first_matching_sign_row_index,
5164         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5165         get_upper_bound): New.
5166         (graphite_trans_bb_strip_mine): Also update the iv map.
5167
5168         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5169         (struct name_tree): Add a loop field.
5170         (struct scop): Add a graphite_loops_mapping field.
5171         (SCOP_LOOPS_MAPPING): New.
5172         (debug_clast_stmt): Declare.
5173         * lambda.h (find_induction_var_from_exit_cond): Declare.
5174         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5175         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5176         (create_empty_loop_on_edge): Updated.
5177         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5178         rename_variables_in_bb): Declare.
5179         * tree-cfg.c (remove_bb): Extern.
5180
5181         * testsuite/gcc.dg/graphite/block-0.c: New.
5182
5183 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5184             Sebastian Pop  <sebastian.pop@amd.com>
5185
5186         * graphite.c (strip_mine_profitable_p): New.
5187         (graphite_trans_bb_block): Disable strip mining if not profitable.
5188
5189         * testsuite/gcc.dg/graphite/scop-18.c: New.
5190         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
5191         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
5192
5193 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5194             Jan Sjodin  <jan.sjodin@amd.com>
5195             Sebastian Pop  <sebastian.pop@amd.com>
5196
5197         * graphite.c (is_interchange_valid): New.
5198         (graphite_trans_bb_block): Check loop nest of basic block for legality
5199         of interchange.
5200
5201         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5202         outer_most_loop, gbb_outer_most_loop_index): New.
5203
5204         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5205         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5206         * testsuite/gcc.dg/graphite/scop-16.c: New.
5207         * testsuite/gcc.dg/graphite/scop-17.c: New.
5208
5209 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5210
5211         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5212         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5213
5214 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5215
5216         * graphite.c (new_scop): Initialize SCOP_EXIT.
5217         (scopdet_info): Add.
5218         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5219         (build_scops_1): Cleanup, bugfixes.
5220         (build_scops): Cleanup.
5221
5222         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5223         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5224
5225 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5226
5227         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5228
5229         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5230         DEFAULT_GRAPHITE_FLAGS.
5231
5232         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5233
5234 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5235
5236         * graphite.c (scan_tree_for_params): Do not assert any more if
5237         MULT_EXPR parameter is negative.
5238
5239         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5240
5241         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5242
5243         * testsuite/gcc.dg/graphite/scop-15.c: New.
5244
5245 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5246
5247         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5248
5249 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5250
5251         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5252         graphite_swap_loops.
5253         (graphite_trans_bb_move_loop): New.
5254         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5255         (graphite_trans_bb_block): New.
5256         (graphite_trans_loop_block): New.
5257         (graphite_trans_scop_swap_1and2): Rename from
5258         graphite_trans_swap_1and2.
5259         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5260         (graphite_trans_scop_block): New.
5261         (graphite_apply_transformations): Rename from
5262         graphite_transformations.
5263
5264         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5265
5266 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5267
5268         * graphite.c (gbb_compare): New.
5269         (graphite_sort_gbbs): New.
5270         (gbb_can_be_ignored): New.
5271         (scop_remove_ignoreable_gbbs): New.
5272         (graphite_transformations): Cleanup and add
5273         scop_remove_ignoreable_gbbs.
5274         * lambda.h (lambda_vector_compare): New.
5275
5276 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5277
5278         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5279         (graphite_swap_loops): int -> unsigned
5280         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5281         (graphite_transformations): New.
5282         (graphite_transform_loops): Move to graphite_transformations.
5283         * graphite.h (gbb_nb_loops): Return unsigned.
5284
5285 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5286
5287         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5288         the domain matrix.  This makes scop-0.c work again.
5289
5290 2008-06-20  Richard Guenther  <rguenther@suse.de>
5291
5292         * graphite.h: Adjust copyright to GPLv3.
5293         * graphite.c: Likewise.
5294         (stmt_simple_memref_for_scop_p): Split out from ...
5295         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5296         and simplify.
5297         (get_bb_type): Optimize.
5298         (is_pred): Remove.
5299         (is_bb_addable): Fix memleak, replace is_pred call with
5300         single_pred.
5301         (build_scops): Use current_loops.
5302         (param_index): Fix memleak.
5303
5304 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5305
5306         * graphite.c: Fix formatting.
5307
5308 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5309
5310         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5311         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5312         (create_var_name, save_var_name): Newly defined functions.
5313         (initialize_cloog_names): Part of the code factored out to
5314         save_var_name.
5315         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5316         in clast_reduction statement.
5317         (graphite_create_new_loop): Now takes a new parameter
5318         for outer_loop.
5319         (translate_clast): Now also takes the context_loop and bb_exit
5320         parameters. Rewritten the code so that it creates a gimple code
5321         inside the given context.
5322         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5323         remove_cond_expr, disconnect_cond_expr,
5324         disconnect_virtual_phi_nodes): Newly defined functions.
5325         * graphite.h (struct scop): added old_ivs vector.
5326         SCOP_OLDIVS: New macro.
5327
5328 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5329
5330         * cfgloopmanip.c: Add missing function comments, fix formatting.
5331
5332 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5333
5334         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5335         (create_empty_loop_on_edge): Defined.
5336         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5337         instead of void.
5338         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5339         (update_dominators_in_loop): Declared as extern
5340         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5341
5342 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5343
5344         * graphite.c (print_graphite_bb): Allow changing number of loops
5345         in SCoP domain.
5346         (initialize_cloog_names): Allow changing number of loops.
5347         (build_cloog_prog): Simplify.
5348         (find_transform): Enable cloog option --strides.
5349         (graphite_swap_loops): New.
5350         (graphite_strip_mine_loop): New.
5351         (graphite_trans_swap_1and2): New.
5352         (graphite_trans_strip): New.
5353         (graphite_transform_loops): Add graphite_trans_strip.
5354         * graphite.h (scop_max_loop_depth): New.
5355
5356 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5357
5358         * graphite.c (build_scop_iteration_domain): Remove forgotten
5359         line. (Fixes compile)
5360
5361 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5362
5363         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5364         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5365         (build_bb_loops): New.
5366         (graphite_transform_loops): Add build_bb_loops.
5367         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5368         numbers.
5369         * graphite.h (graphite_bb): Add loops.
5370         (gbb_nb_loops): New.
5371         (gbb_loop_at_index): New.
5372         (gbb_loop_index): New.
5373         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5374         using nb_params_in_scop.
5375
5376 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5377
5378         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5379         (build_scop_canonical_schedules): Build minimized schedule.
5380         (schedule_to_scattering): Adapt to minimized schedule.
5381         * graphite.h (graphite_bb): Add/Update descriptions.
5382
5383 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5384             Tobias Grosser  <grosser@fim.uni-passau.de>
5385
5386         * graphite.c (print_graphite_bb): Add condition printing.
5387         (dump_value): New.
5388         (dump_gbb_conditions): New.
5389         (build_scop_conditions_1): New.
5390         (build_scop_conditions): New.
5391         * graphite.h (graphite_bb): Add conditions.
5392
5393 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5394
5395         * graphite.c (print_graphite_bb):
5396         (free_graphite_bb): New.
5397         (free_scop): Free bbs.
5398         (get_bb_type): Free doms.
5399         (build_scop_context): Free context matrix.
5400         (build_loop_iteration_domains): Remove unused code.
5401         (build_cloog_prog): Free scattering function and blocklist.
5402         (find_transform): Free options.
5403
5404 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5405
5406         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5407         Remove unnecessery cloog data structures. Make a copy of the domain
5408         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5409         unnecessary cloog data structures. Fix memory leaks. Remove insert
5410         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5411         used.
5412         (build_scop_iteration_domain): Remove unnecessary cloog
5413         data structures.  Fix memory leaks.
5414         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5415         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5416
5417 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5418
5419         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5420
5421 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5422
5423         * graphite.c (end_scop): Style fix.
5424         (schedule_to_scattering): Style and comment fix.
5425
5426 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5427         * graphite.c (print_graphite_bb): Fix definiton of
5428         schedule_to_scattering.
5429         (initialize_cloog_names): Change nb_scattdims to max loop
5430         depth in SCoP.
5431         (schedule_to_scattering): Take parameter for number of scattering
5432         dimensions.
5433         (build_cloog_prog): Only build as much scattering dimensions as
5434         necessary.
5435
5436 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5437
5438         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5439         in polyhedron/aermod.f90.
5440
5441 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5442             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5443             Harsha Jagasia  <harsha.jagasia@amd.com>
5444
5445         * graphite.c (is_bb_addable): Fix segfault.
5446
5447 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5448
5449         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5450         with multiple exits and conditional handling in edge cases.
5451         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5452
5453         * testsuite/gcc.dg/graphite/scop-14.c: New.
5454
5455 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5456             Adrien Eliche  <aeliche@isty.uvsq.fr>
5457
5458         * graphite.c (is_bb_addable): Add more comments and enhance
5459         readablity of the source code. Fix memory leak.
5460         (is_loop_exit): Fix memory leak.
5461
5462 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5463
5464         * graphite.c (first_loop_in_scop): Deleted.
5465         (setup_cloog_loop): Only walk the loop chain for inner loops.
5466         (build_scop_iteration_domain): Execute setup_cloog_loop for
5467         all loops in the first layer.
5468
5469 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5470
5471         * graphite.c (scan_tree_for_params): Change the way params are
5472         added to be indepenent of the number of loops.
5473         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5474         handling.
5475         (build_cloog_prog): Revert to short matrix format.
5476
5477 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5478             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5479
5480         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5481         warning.
5482
5483 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5484
5485         * graphite.c (nb_data_refs_in_scop): New.
5486         (graphite_transform_loops): Print more stats: number of
5487         loops, basic blocks and data references per scop.
5488
5489 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5490             Jan Sjodin  <jan.sjodin@amd.com>
5491
5492         * graphite.c (loop_affine_expr, idx_record_params,
5493         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5494         instead of instantiate_parameters.
5495
5496 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5497
5498         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5499         add support for parameters, add STATIC_SCHEDULE at the right places,
5500         cleanup.
5501
5502 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5503
5504         * graphite.c (build_scop_loop_nests): Only add the loops, that
5505         are contained completely in the SCoP.
5506         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5507         and the domains are fixed.
5508         (build_scop_canonical_schedules): Add support for bbs not contained
5509         in any SCoP.
5510
5511 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5512
5513         * graphite.h (scop_contains_loop): Update comments to match
5514         the actual behavior.
5515         (scop_contains_loop): New.
5516         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5517
5518 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5519
5520         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5521         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5522         as GBB_COND_HEADER.
5523
5524 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5525             Tobias Grosser  <grosser@fim.uni-passau.de>
5526
5527         * graphite.c (graphite_transform_loops): Early return when
5528         there are no loops in the function.
5529
5530 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5531             Jan Sjodin  <jan.sjodin@amd.com>
5532
5533         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5534         offset of the last loop.
5535         (setup_cloog_loop): Copy the entire outer constraint matrix.
5536
5537 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5538             Jan Sjodin  <jan.sjodin@amd.com>
5539
5540         * graphite.c (stmt_in_scop_p, function_parameter_p,
5541         invariant_in_scop_p): Removed.
5542         (scan_tree_for_params): Can be used with no constraint
5543         matrix for gathering parameters.
5544         (idx_record_params): Don't use idx_record_param, instead use
5545         scan_tree_for_params.
5546         (find_scop_parameters): Same.
5547         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5548         Fix the size of loop domains.
5549         (schedule_to_scattering): Exit when the outer loop is not in scop.
5550         (find_transform): Enable build_cloog_prog.
5551
5552 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5553             Jan Sjodin  <jan.sjodin@amd.com>
5554
5555         * graphite.c (schedule_to_scattering): Make scattering domains
5556         uniformly of the same size, as required by CLooG 0.14.0 and before.
5557
5558 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5559             Jan Sjodin  <jan.sjodin@amd.com>
5560
5561         * graphite.c (schedule_to_scattering): Rewrite, correct the
5562         translation of the scheduling function to scattering.
5563         (build_cloog_prog): Call schedule_to_scattering only once.
5564         * graphite.h (scop_loop_index): Do not fail for loops not
5565         in the scop: return -1.
5566
5567 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5568
5569         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5570         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5571         (setup_cloog_loop): Export GBB_DOMAIN.
5572         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5573         able to rebuild the original control flow.
5574         * graphite.h (graphite_bb): Add domain field and access macro.
5575         (GBB_DOMAIN): New.
5576
5577 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * graphite.c (debug_gbb): New.
5580         (print_scop, build_graphite_bb): Use SCOP_BBS.
5581         (build_scop_bbs): Reimplemented.
5582         (dfs_bb_in_scop_p): Removed.
5583         (build_scop_loop_nests): Reorder loops inserted in
5584         SCOP_LOOP_NEST: outer loops should come first.
5585         (build_scop_canonical_schedules): Reinitialize at zero
5586         the components of the SCOP_STATIC_SCHEDULE for the loops
5587         that have already been parsed.
5588
5589         * graphite.h (debug_gbb): Declared.
5590
5591 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5592             Jan Sjodin  <jan.sjodin@amd.com>
5593
5594         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5595         (graphite_loop_to_gcc_loop): Removed.
5596         (remove_all_edges): New.
5597         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5598         (gloog): Remove useless code.
5599
5600 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5601
5602         * graphite.c (get_bb_type): Reworked. We distinguish between
5603         loops with one or multiple exits.
5604         (is_loop_exit): New.
5605         (is_pred): New.
5606         (is_bb_addable): Rework condition handling, now support for case
5607         case statements and loops with multiple exits.
5608
5609         * testsuite/gcc.dg/graphite/scop-11.c: New.
5610         * testsuite/gcc.dg/graphite/scop-12.c: New.
5611         * testsuite/gcc.dg/graphite/scop-13.c: New.
5612
5613 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5614
5615         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5616         we have too many colors.
5617
5618 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5619
5620         * doc/invoke.texi (-ftree-loop-fusion): Document.
5621         * tree-pass.h (pass_loop_fusion): Declared.
5622         * tree-loop-fusion.c: New.
5623         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5624         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5625         * tree-data-ref.h (find_data_references_in_loop): Declared.
5626         * common.opt (ftree-loop-fusion): Declared.
5627         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5628
5629 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5630
5631         * graphite.c (build_access_matrix): Fix typo from the merge.
5632
5633 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5634
5635         * Merge from mainline (130800:135673).
5636
5637 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5638
5639         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5640         Update dominators after splitting.
5641
5642 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5643
5644         * graphite.c (is_bb_addable): Return the harmful statement.
5645         Factor up some code.
5646         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5647         (build_scops_1): Call end_scop.
5648
5649 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5650
5651         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5652         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5653         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5654         build_scops_1): Removed.
5655         (build_scops_2): Renamed build_scops_1.
5656
5657 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5658
5659         * graphite.c: Fix formatting.
5660
5661 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5662
5663         * graphite.c (get_bb_type): New.
5664         (move_scops): New.
5665         (build_scops_2): New.
5666         (is_bb_addable): New.
5667         (build_scops): Switch the scop detection.
5668         (build_scop_bbs): Add entry bb to scop.
5669         * graphite.h (struct scop): Update comment.
5670
5671 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5672
5673         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5674         more colors.
5675
5676 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5677
5678         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5679         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5680         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5681         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5682         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5683
5684 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5685
5686         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5687         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5688         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5689         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5690         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5691
5692 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5693
5694         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5695         Check affine expressions depending on the outermost loop
5696         instead of a scop.
5697         (stmt_simple_for_scop_p): Same.
5698         (harmfule_stmt_in_scop): Same.
5699
5700 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5701
5702         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5703         mark entry and exit, that are not part of the SCoP and update HTML
5704         formatting.
5705
5706 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5707
5708         * graphite.c (basic_block_simple_for_scop_p): Renamed
5709         harmful_stmt_in_bb.
5710         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5711         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5712         (all_preds_visited_p, all_succs_visited_p,
5713         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5714         scop_end_loop): New.
5715         (build_scops): Do not use dfs_enumerate_from.
5716
5717         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5718
5719 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5720
5721         * graphite.c: Add comments to functions that are missing a
5722         description.
5723         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5724
5725 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5726
5727         * graphite.c (nb_params_in_scop): Moved...
5728         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5729         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5730         (clast_to_gcc_expression): Reduce column size to less than 80.
5731         (graphite_create_iv): Return the new name of the IV.
5732         (find_transform): Set options->esp and options->cpp.
5733         (gloog): Comment out the invalidation of the old loop code.
5734         (initialize_dependence_polyhedron): Replace scop_nb_params with
5735         nb_params_in_scop.
5736
5737         * graphite.h (nb_params_in_scop): ... here.
5738         (scop_nb_params): Removed.
5739         (loop_domain_dim): Return something even when the loop was not
5740         found in the hash table: avoid ICEing on all the graphite.exp
5741         testcases.
5742
5743 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5744
5745         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5746
5747         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5748         according to nesting level.
5749         (find_scop_parameters): Call instantiate_parameters.
5750         (scan_tree_for_params): Extend it to handle general affine bounds.
5751         Inner loop bound can depend on outer loop induction variable.
5752         (setup_cloog_loop): tmp variable is allocated on stack. Call
5753         instantiate_parameters with respect to outermost_loop_in_scop.
5754         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5755         graphite.h.
5756         (create_empty_loop): Function loopify should be given edge
5757         probability, instead of edge frequency. Dominance relation from
5758         switch_bb to loop_header.
5759         (clast_to_gcc_expression): Added handling of clast_reduction node.
5760         (gloog): New functionality for removing old loop.
5761         (test_dependence): Factored out from build_rdg_all_levels.
5762         (build_rdg_all_levels): Dependence testing factored out to
5763         test_dependence function.
5764
5765         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5766         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5767         from graphite.c
5768
5769 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5770
5771         * graphite.c (free_scop, param_index, initialize_cloog_names,
5772         nb_params_in_scop): Use name_tree map instead of just a tree
5773         for keeping track of the variable name associated to that tree.
5774         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5775         clast_to_gcc_expression, graphite_create_iv,
5776         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5777         graphite_stmt_to_gcc_stmt): New.
5778         (gloog): Call these.
5779         * graphite.h (struct name_tree): New.
5780         (struct scop): Use name_tree instead of tree for params.
5781         Store a vector of name_tree for new_ivs.
5782         (SCOP_NEWIVS): New.
5783         (scop_nb_params): Use name_tree instead of tree.
5784
5785 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5786             Sebastian Pop  <sebastian.pop@amd.com>
5787
5788         * tree-bounds.c: New.
5789         * tree-bounds.h: New.
5790         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5791         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5792         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5793         flag_mudflap.
5794         * gcc.c: Same.
5795         * toplev.c: Same.
5796         * c-cppbuiltin.c: Same.
5797         * c-pragma.c: Same.
5798         * common.opt: Same.
5799         * varasm.c: Same.
5800         * tree-outof-ssa.c: Same.
5801         * c-common.c: Same.
5802         * Makefile.in: Same.
5803
5804 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5805             Sebastian Pop  <sebastian.pop@amd.com>
5806
5807         * tree-loop-distribution.c (remaining_stmts,
5808         upstream_mem_writes): Removed static variables.
5809         (copy_loop_before, create_bb_after_loop,
5810         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5811         rdg_build_components, rdg_build_partitions,
5812         dump_rdg_partitions): Extern.
5813         (generate_loops_for_partition, generate_code_for_partition): Do not
5814         return a bool.
5815         (already_processed_vertex_p, predecessor_has_mem_write,
5816         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5817         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5818         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5819         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5820         Pass remaining_stmts and upstream_mem_writes as parameters.
5821         (rdg_component): Moved...
5822         (build_rdg_partition_for_component): Do not aggregate components when
5823         flag_streamize_loops is set.
5824         (gen_sequential_loops): New.
5825         (ldist_gen): Call gen_sequential_loops.
5826
5827         * tree-pass.h (pass_loop_streamization): Declared.
5828
5829         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5830         basic blocks when loops structures exist.
5831
5832         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5833
5834         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5835
5836         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5837         eliminate_local_variables_stmt, eliminate_local_variables,
5838         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5839         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5840         of code delimited by two edges in the CFG.
5841         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5842         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5843         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5844         the case of parallelisation of reductions.
5845         (create_loop_fn): Extern.
5846         (create_omp_parallel_region): New.
5847
5848         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5849         dump_data_reference for printing dra and drb.
5850         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5851         RDGE_RELATION.
5852         (build_rdg): Don't call free_dependence_relations for the moment, as
5853         we attach dependence relations on each edge of the RDG.
5854         To be fixed later.
5855
5856         * tree-data-ref.h (rdg_component): ...here.
5857         (struct rdg_edge): New field ddr_p relation.
5858         (RDGE_RELATION): New.
5859         (create_bb_after_loop, copy_loop_before,
5860         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5861         rdg_build_partitions, dump_rdg_partitions,
5862         free_rdg_components): Declared.
5863
5864         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5865         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5866
5867         * tree-loop-streamization.c: New.
5868
5869         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5870         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5871
5872         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5873
5874         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5875
5876         * passes.c: Schedule pass_loop_streamization.
5877
5878 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5879
5880         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5881         update comment.
5882
5883 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5884
5885         * graphite.c (dot_all_scops): Update formatting.
5886         Bbs can now be part of more than one SCoP.
5887
5888 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5889
5890         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5891         malloc problems.
5892         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5893         * graphite.h (loop_to_cloog_loop): New.
5894
5895 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5896
5897         * graphite.c (loop_domain_dim, ref_nb_loops,
5898         loop_iteration_vector_dim): New.
5899         (build_access_matrix_with_af, build_access_matrix,
5900         initialize_dependence_polyhedron): Fixed for new matrix layout.
5901         No longer assume that all iteration domains are of the same
5902         dimensionality.
5903
5904 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5905
5906         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5907         defined in a loop at depth 0 is invariant.
5908         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5909         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5910         be called at loop depth 0.
5911
5912         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5913         a parameter.
5914         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5915         (down_open_scop): Removed.
5916         (loop_in_scop_p): Redefined.
5917         (scop_affine_expr): New argument: scop.
5918         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5919         a harmful statement ending a scop.
5920         (basic_block_simple_for_scop_p): New argument: scop.
5921         (get_loop_start): Removed.
5922         (new_scop): Initialize SCOP_LOOPS.
5923         (free_scop): Free SCOP_LOOPS.
5924         (succs_at_same_depth, preds_at_same_depth): New.
5925         (end_scop): Test the validity of a scop.
5926         (add_dominators_to_open_scops): New.
5927         (test_for_scop_bound): Call add_dominators_to_open_scops.
5928         Add cases for opening and closing multiple scops.
5929         (build_scops, build_scop_bbs): Iterate over basic blocks in
5930         depth first order.
5931         (build_graphite_bb): Pass scop directly.
5932         (dfs_bb_in_scop_p): New.
5933         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5934         several times.
5935         (nb_loops_around_gb): Use loop_in_scop_p.
5936         (schedule_to_scattering): Disabled for the moment the code computing
5937         the "textual order for outer loop".
5938
5939         * graphite.h (struct scop): New field loops.
5940         (SCOP_LOOPS): New.
5941         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5942
5943         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5944
5945 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5946             Sebastian Pop  <sebastian.pop@amd.com>
5947
5948         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5949         * common.opt (fstreamize-loops): New.
5950         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5951         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5952         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5953         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5954
5955 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5956
5957         * tree-data-ref.c (build_empty_rdg): New.
5958         (build_rdg): Use it.
5959         * tree-data-ref.h (build_empty_rdg): Declared.
5960         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5961         (find_vertex_for_stmt): Removed.
5962         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5963
5964 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5965
5966         * tree-loop-distribution.c (generate_builtin): After cancelling the
5967         loop tree, also delete basic blocks.
5968         (rdg_flag_uses): Stop recursion when a vertex has already been
5969         processed.
5970
5971 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5972
5973         * graphite.c (build_scop_alpha): Removed.
5974         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5975         and dump_dependence_graph to avoid compiler warnings.
5976
5977 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5978
5979         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5980         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5981         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5982         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5983         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5984         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5985         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5986         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5987         dump_dependence_graph): New.
5988         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5989         (GBB_ALPHA): New.
5990         (struct scop): New field loop2cloog_loop.
5991         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5992         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5993
5994 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5995
5996         * graphite.c (build_graphite_bb): Fix initialization
5997         of the graphite basic block.
5998
5999 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6000
6001         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6002         loop domain matrix.  Pass in the number of loops contained in the
6003         constraint matrix.
6004         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6005         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6006         loops that are not surrounding the current loop are not represented
6007         in the domain constraint matrix.
6008         (build_scop_iteration_domain): Initial domain constraint matrix
6009         contains only the eq/ineq, cst, and scop parameters columns.
6010
6011 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6012
6013         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6014         (print_graphite_bb): Print scattering.
6015
6016 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6017
6018         * graphite.c (initialize_cloog_names): Initialize names of
6019         scattering variables.
6020
6021 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6022
6023         * graphite.c (dot_all_scops_1): Disable debug output while
6024         printing graph.
6025
6026 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6027
6028         * graphite.c (find_transform): Change cloog output language to C.
6029
6030 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6031
6032         * tree-loop-distribution.c (generate_memset_zero,
6033         generate_builtin, generate_code_for_partition,
6034         rdg_flag_all_uses): New.
6035         (rdg_flag_uses): Gather in the same partition the statements defining
6036         the VUSES of the current statement.
6037         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6038         Gather in the same partition not only the stores to the same memory
6039         access, but also the reads.
6040         (ldist_generate_loops): Renamed ldist_gen.
6041
6042 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6043             Tobias Grosser  <grosser@fmi.uni-passau.de>
6044
6045         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6046         next pointer, don't use the inner pointer.
6047
6048 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6049
6050         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6051         (find_transform): Call dot_all_1.
6052         * graphite.h (dot_all_scops): Declared.
6053
6054 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6055
6056         * tree-loop-distribution.c: Fix apsi.f ICE.
6057         (create_bb_after_loop): New.
6058         (generate_loops_for_partition): Use it.
6059         * testsuite/gfortran.dg/ldist-1.f90: New.
6060
6061         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6062         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6063
6064 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6065
6066         * graphite.c (find_transform): Dump cloog program sent to cloog.
6067
6068 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6069
6070         * graphite.c (initialize_cloog_names): Initialize cloog
6071         iterator names.
6072
6073 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6074
6075         * graphite.c (build_scop_context): Fix typo, for the matrix
6076         format: insert '0 >= 0' instead of '-1 >= 0'.
6077
6078 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6079
6080         * Fix merge problems.
6081
6082 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6083
6084         * graphite.c (setup_cloog_loop): Fix typo.
6085
6086 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6087
6088         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6089         * tree-loop-distribution.c: Reimplemented.
6090         * tree-pass.h (pass_loop_distribution): New.
6091         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6092         print_loops.
6093         * graphds.h (struct graph): New field indexes.
6094         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6095
6096         * tree-vect-analyze.c: Remove declaration of static functions when not
6097         needed.
6098         * tree-vectorizer.c: Same.
6099         (rename_variables_in_loop): Now extern.
6100         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6101         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6102         calling redirect_edge_and_branch_force.
6103
6104         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6105
6106         * tree-data-ref.c: Don't include tree-chrec.h.
6107         (debug_data_dependence_relations): New.
6108         (dump_data_dependence_relation): Call dump_data_reference on data refs
6109         in the relation.
6110         (same_access_functions): Moved...
6111         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6112         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6113         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6114         struct rdg_vertex_info, ): New.
6115         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6116         at DDR_REVERSED_P.
6117         (create_rdg_vertices): Initialize the htab of graph->indexes.
6118         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6119         (stmts_from_loop): Don't save LABEL_EXPR.
6120         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6121         hash_stmt_vertex_del): New.
6122         (build_rdg): Initialize rdg->indexes.
6123         (free_rdg, stores_from_loop, ref_base_address,
6124         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6125         have_similar_memory_accesses_1, ref_base_address_1,
6126         remove_similar_memory_refs): New.
6127
6128         * tree-data-ref.h: Include tree-chrec.h.
6129         (debug_data_dependence_relations): Declared.
6130         (same_access_functions): ...here.  Now static inline.
6131         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6132         ddr_dependence_level): New.
6133         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6134         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6135         RDG_MEM_READS_STMT): New.
6136         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6137         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6138         rdg_vertex_for_stmt): Declared.
6139         (struct rdg_edge): New field level.
6140         (RDGE_LEVEL, free_rdg): New.
6141         (stores_from_loop, remove_similar_memory_refs,
6142         rdg_defs_used_in_other_loops_p,
6143         have_similar_memory_accesses): Declared.
6144         (rdg_has_similar_memory_accesses): New.
6145
6146         * lambda.h (dependence_level): New.
6147         * common.opt (ftree-loop-distribution): New.
6148         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6149         (print_loop_ir): Renamed print_loops.
6150         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6151         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6152         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6153         (tree-loop-distribution.o): Added.
6154         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6155         (mark_virtual_ops_in_bb): New.
6156         (print_loops_bb, debug_loop_num, debug_loop): New.
6157         * passes.c: Scheduled pass_loop_distribution.
6158
6159 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6160
6161         * graphite.c (scan_tree_for_params): Correct the number of columns
6162         for polylib format.
6163         (nb_flat_iterator): New.
6164         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6165         (build_scop_iteration_domain): Correct the number of columns for
6166         polylib format.
6167
6168 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6169
6170         * Merge from mainline (129697:130800).
6171
6172 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6173
6174         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6175         dominated by SCoP's exit.
6176         (graphite_transform_loops): Compute post dominators.
6177
6178 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6179
6180         * Merge from mainline (127169:129697).
6181
6182 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6183
6184         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6185         parameter for the basic block that contains the expression.  Use
6186         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6187         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6188         the expression.
6189         * graphite.h (gbb_loop): New.
6190         (GBB_LOOP): Removed.
6191
6192 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6193
6194         * Makefile.in: Fix merge problem.
6195
6196 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6197
6198         * Merge from mainline (125309:127169).
6199         * tree-loop-distribution.c: Disabled.
6200
6201 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6202
6203         * Merge from mainline (r123693:125309).
6204
6205 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6206
6207         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6208         correct_modify_p
6209         (correct_modify_p, check_statements, number_of_lvalue_uses,
6210         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6211         instead of MODIFY_EXPR.
6212         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6213         and push new edges.
6214
6215 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6216
6217         * tree-loop-distribution.c (struct rdg): Replace arrays by
6218         VECs for edges and vertices.
6219         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6220         (RDGV_NB_PARTITIONS): New.
6221         (PRDG_NBV, PRDG_NBE): Removed.
6222         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6223         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6224         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6225
6226 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6227             Sebastian Pop  <sebpop@gmail.com>
6228
6229         * doc/invoke.texi (-ftree-loop-distribution): Document.
6230         * tree-loop-distribution.c: New file.
6231         * tree-pass.h (pass_loop_distribution): Declared.
6232         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6233         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6234         and set reversed_p.
6235         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6236         (DDR_REVERSED_P): New.
6237         * common.opt (-ftree-loop-distribution): New.
6238         * tree-flow.h (distribute_loops): Declared.
6239         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6240         * passes.c (init_optimization_passes): Schedule loop distribution.
6241
6242 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6243
6244         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6245         (print_scop): Don't print when scop is NULL.
6246         (build_scop_context, find_transform): Don't output to stderr.
6247
6248 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6249
6250         * tree-data-ref.c: Don't include graphite.h.
6251         Comment out the code for printing data reference's scop.
6252         (build_access_matrix_with_af): Moved...
6253         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6254         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6255         (print_graphite_bb): Print basic block's schedule.
6256         (print_scop): Don't print the schedule, call cloog's pretty printer.
6257         (bb_in_scop_p): A basic block is in a scop only if it is both
6258         dominated and postdominated by the scop's entry and exit basic blocks.
6259         (function_parameter_p): New.
6260         (invariant_in_scop_p): Use function_parameter_p.
6261         (new_scop, save_scop): New.
6262         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6263         save_scop.
6264         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6265         (loop_in_scop_p): New.
6266         (scop_record_loop): Use loop_in_scop_p.
6267         (build_scop_domain): Renamed build_scop_iteration_domain.
6268         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6269         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6270         setup_cloog_loop, dot_scop_1, dot_scop): New.
6271         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6272         (struct scop): Add a pointer to cloog's representation of a program.
6273
6274 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6275
6276         * doc/invoke.texi (-ftree-check-verbose): Renamed
6277         -ftree-checks-verbose.
6278         * common.opt (flag_tree_check_verbose): Renamed
6279         flag_tree_checks_verbose.
6280         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6281
6282 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6283
6284         * configure: Regenerated.
6285         * config.in: Regenerated.
6286         * tree-ssa-loop.c (graphite_transforms): Execute
6287         graphite_transform_loops only when HAVE_cloog.
6288         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6289         * graphite.c: Include polylibgmp.h and cloog.h.
6290         (graphite_transform_loops): Removed loops parameter.
6291         * tree-flow.h (graphite_transform_loops): Update declaration.
6292         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6293         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6294         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6295         (OBJS-common): Remove dependence on graphite.o.
6296         (BACKEND): Depend on @GRAPHITE@.
6297
6298 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6299
6300         * doc/invoke.texi (-ftree-check-verbose): Documented.
6301         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6302         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6303         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6304         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6305         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6306         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6307         * common.opt (ftree-checks-verbose): New.
6308         * tree-check.c (tree_check_warning): Move extra stderr output
6309         under control of flag_tree_check_verbose.
6310
6311 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6312
6313         * tree-match.c: Fix comments formatting.
6314         * tree-match.h: Fix comments formatting.
6315         * tree-check.c: Fix comments formatting.
6316         (tree_check_init): Restructure.
6317
6318 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6319
6320         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6321
6322 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6323
6324         * Merge from mainline (r120733:123693).
6325
6326 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6327
6328         * condate.y: New file.
6329         * tree-match.h (struct patt_info_s): New field sign.
6330         (struct condate_s): New field msg.
6331         (normalize_condate, name_condate, add_condate): New.
6332         (conds[], condate_parse): Made extern.
6333         * tree-check.c (tree_check_warning): First arg changed to cond;
6334         warning reformatted.
6335         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6336         (tree_scan): New.
6337         (tree_check): Process trivial condates.
6338         (read_delimited_string): Removed.
6339         (print_cond): Print name and msg.
6340         (conds[]): Made extern.
6341         (parse_tree_check_file_once): Rewritten to use the parser in
6342         condate.y.
6343         Processing of option --tree_check_string moved to tree_scan().
6344         * Makefile.in: Added condate.y
6345
6346 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6347
6348         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6349         Use VECs instead of varrays.
6350         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6351         * Makefile.in (pretty-print.o): Depend on vec.h.
6352         * pretty-print.c: Include tree.h and vec.h.
6353         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6354         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6355         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6356         pp_free_list): Use VECs instead of varrays.
6357         * pretty-print.h: Do not include varray.h.
6358         (struct tree_chunk_s): Declaration moved before its use.
6359         (output_buffer): Rename varray field to chunks.
6360         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6361         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6362         save_global_holes): Use VECs instead of varrays.
6363         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6364         * tree-check.c (scan_cfg_stmts, push_node,
6365         print_matching_stmt): Removed.
6366         (tree_check_instance, push_global_holes_if_new, tree_check,
6367         execute_tree_check): Use VECs instead of varrays.
6368         (gate_tree_check): Don't execute the CFG check when basic_block_info
6369         is not available.
6370
6371 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6372
6373         * Merge from mainline (r115016:120733).
6374
6375 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6376
6377         * Merge from mainline (r117632:117661).
6378
6379 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6380
6381         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6382         * tree-pass.h (TDF_DEBUG, debug_p): New.
6383         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6384         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6385         get_loop_exit_condition, analyze_evolution_in_loop,
6386         analyze_initial_condition, analyze_scalar_evolution,
6387         instantiate_parameters, number_of_latch_executions): Use debug_p.
6388         * tree-chrec.c (chrec_apply): Use debug_p.
6389         * tree-data-ref.c: Include graphite.h.
6390         (dump_data_reference): Print also the access matrix.
6391         (analyze_array, analyze_indirect_ref, init_data_ref,
6392         analyze_offset_expr, address_analysis, object_analysis,
6393         create_data_ref, finalize_ddr_dependent,
6394         non_affine_dependence_relation, analyze_ziv_subscript,
6395         analyze_siv_subscript_cst_affine,
6396         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6397         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6398         analyze_miv_subscript, analyze_overlapping_iterations,
6399         build_classic_dist_vector, subscript_dependence_tester,
6400         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6401         (build_access_matrix_with_af): No longer static.
6402         * tree-data-ref.h (scop_p): ... declaration here.
6403         (data_reference.scop): New field.
6404         (DR_SCOP, DR_ACCESS_MATRIX): New.
6405         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6406         * graphite.c (print_graphite_bb): Call dump_data_references.
6407         (print_scop): Use scop_nb_loops and scop_dim_domain.
6408         (test_for_scop_bound): Use debug_p.
6409         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6410         scop_nb_params.
6411         (scop_loop_index): Moved...
6412         (scop_record_loop): New.
6413         (build_scop_loop_nests): Use scop_record_loop.
6414         (build_scop_domain): Use scop_dim_domain.
6415         (build_access_matrix): Implemented.
6416         (build_scop_canonical_schedules): Use scop_nb_loops.
6417         (build_graphite_bb): Initialize GBB_SCOP.
6418         * graphite.h (scop_p): Moved...
6419         (graphite_bb.scop): New field.
6420         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6421         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6422         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6423         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6424         scop_loop_index): New.
6425         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6426
6427 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6428
6429         * Merge from mainline (r117661:120450).
6430
6431 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6432
6433         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6434         at the first declaration outside the varying loop, instantiate as
6435         far as possible.
6436         * tree-chrec.c (for_each_scev_op): New.
6437         * tree-chrec.h (for_each_scev_op): Declared.
6438         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6439         * tree-data-ref.c (get_references_in_stmt,
6440         find_data_references_in_stmt): New, from trunk.
6441         (find_data_references_in_loop): Use get_references_in_stmt
6442         and find_data_references_in_loop, modified as in trunk.
6443         (build_access_matrix_with_af): New.
6444         * tree-data-ref.h (data_reference): Add a field access_matrix.
6445         (data_ref_loc): New, as in trunk.
6446         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6447         invariant_in_scop_p, param_index, scan_tree_for_params,
6448         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6449         idx_record_param, idx_record_params, build_access_matrix,
6450         build_scop_data_accesses, build_scop_canonical_schedules,
6451         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6452         build_scop_params): New.
6453         * graphite.h (graphite_bb): New.
6454         (scop): Add fields static_schedule, params, loop_nest,
6455         iteration_domain.
6456         * lambda.h: Declare vecs of lambda_matrix.
6457         * tree-flow.h (print_loop_ir_bb): Declared.
6458         * tree-cfg.c (print_loop_ir_bb): New.
6459         (print_loop): Use print_loop_ir_bb.
6460
6461 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6462
6463         * Merge from mainline (r115016:117632).
6464
6465 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6466
6467         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6468         break due to a warning.
6469
6470 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6471
6472         * graphite.c (print_scops, debug_scops): New.
6473         (graphite_transform): Renamed graphite_find_transform.
6474         * graphite.h (debug_scops): Declared.
6475
6476 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6477
6478         * tree-match.c: Reformat following the GNU style.
6479         * tree-match.h: Reformat following the GNU style.
6480         * tree-pattern.h: Removed empty file.
6481         * Makefile.in: Remove references to tree-pattern.h.
6482         * tree-check.c: Reformat following the GNU style.
6483         (execute_tree_check): Move gate condition code to...
6484         (gate_tree_check): ...here.  New function.
6485         (pass_check): Use the gate function.
6486
6487 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6488
6489         * tree-pattern.h: New. Tree pattern matching and checking using
6490         concrete syntax.
6491         * tree-check.c: New. Tree/CFG checking pass.
6492         * tree-match.c: New. Library for tree pattern matching.
6493         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6494         * toplev.c, flags.h: Add globals for tree-check pass.
6495         * Makefile.in: Integrate the files in tree-check pass.
6496         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6497         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6498         Introduce a "lazy" pretty-print mode.
6499         * tree.c, tree.h: Add tree_name.
6500
6501 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6502
6503         * doc/invoke.texi (-fgraphite): Correct typo.
6504         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6505         use of print_loop_ir.
6506         * testsuite/gcc.dg/graphite/scop-1.c: New.
6507         * testsuite/gcc.dg/graphite/scop-2.c: New.
6508         * testsuite/gcc.dg/graphite/graphite.exp: New.
6509         * graphite.c: Include domwalk.h.
6510         (print_scop): Print only the entry and exit blocks.
6511         (debug_scop): No longer static.
6512         (affine_expr): Fix formating.  Return also true when the expression is
6513         constant.
6514         (stmt_simple_for_scop_p): Fix formating.
6515         (build_scops): Use domwalk.
6516         (get_loop_start, end_scop, test_for_scop_bound): New.
6517         (graphite_transform_loops): Avoid printing on stderr.
6518         * graphite.h (debug_scop): Declared.
6519         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6520         * Makefile.in (graphite.o): Depend on domwalk.h.
6521         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6522         declarations for static functions.
6523         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6524         controlling output verbosity.
6525
6526 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6527             Plesco Alexandru  <shurikx@gmail.com>
6528
6529         * doc/invoke.texi (-fgraphite): Document.
6530         * tree-pass.h (pass_graphite_transforms): Declared.
6531         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6532         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6533         (pass_graphite_transforms): Defined.
6534         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6535         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6536         * graphite.c, graphite.h: New.
6537         * common.opt (fgraphite): Declared.
6538         * tree-flow.h (graphite_transform_loops): Declared.
6539         * Makefile.in (OBJS-common): Add graphite.o.
6540         (graphite.o): New rule.
6541         * passes.c (pass_graphite_transforms): Scheduled.
6542