gcc/ChangeLog.graphite

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