gcc/ChangeLog.graphite

   1 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         PR middle-end/40281
   4         * testsuite/gcc.dg/graphite/pr40281.c: New.
   5
   6         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
   7         evolutions should not variate in inner loops.
   8
   9 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  10
  11         PR middle-end/42050
  12         * testsuite/gfortran.dg/graphite/pr42050.f90: New.
  13
  14 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * graphite-interchange.c (memory_strides_in_loop_depth): New.
  17         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
  18
  19 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  20
  21         * graphite-blocking.c (scop_do_block): New.
  22         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
  23         * graphite-poly.h (scop_do_block): Declared.
  24
  25 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
  28         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
  29         to transform depth into the time_depth before calling
  30         pbb_number_of_iterations_at_time.
  31         (lst_do_strip_mine): Use a scalar variable instead of recomputing
  32         lst_depth.
  33
  34 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
  35
  36         Reverted the patch for "scattering permutations" from 2009-10-28.
  37
  38         * graphite-poly.c (print_permutation): New.
  39         (debug_permutation): New.
  40         (new_poly_bb): Initialize PBB_PERMUTATION.
  41         (free_poly_bb): Free PBB_PERMUTATION.
  42         * graphite-poly.h (pbb_permutation_elt_p): Declared.
  43         (struct pbb_permutation_elt): New.
  44         (PBB_PERMUTATION_ELT_STRIDE): New.
  45         (PBB_PERMUTATION_ELT_STRIDED_P): New.
  46         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
  47         (new_pbb_permutation_elt): New.
  48         (pbb_permutation_elt_free): New.
  49         (struct poly_bb): Add field permutation.
  50         (PBB_PERMUTATION): New.
  51         (print_permutation): Declared.
  52         (debug_permutation): Declared.
  53
  54 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
  55
  56         * graphite-interchange.c (build_partial_difference): New.
  57         (memory_stride_in_loop): Refactored the computation of
  58         equality constraints into build_partial_difference function.
  59         Added support for debugging stride computations.
  60
  61 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * graphite-clast-to-gimple.c (gloog): Free if_region,
  64         if_region->true_region, and if_region->region.
  65         * sese.c (if_region_set_false_region): Free if_region->false_region.
  66         (create_if_region_on_edge): Do not use GGC_NEW.
  67         (move_sese_in_condition): Remove useless initialization.
  68
  69 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
  72         for the loops created by the loop distribution.  Do not modify the
  73         input LSTs.
  74         (lst_try_interchange_loops): Same.  Use a temporary LST for the
  75         transformed schedule.  Call lst_update_scattering before data
  76         dependence analysis.
  77         (lst_try_interchange): Pass an extra parameter INDEX.
  78         (lst_do_interchange_1): New.
  79         (lst_do_interchange): Call lst_do_interchange_1.
  80         (scop_do_interchange): Call lst_update_scattering.
  81         * graphite-poly.c (apply_poly_transforms): Do not call
  82         lst_update_scattering.
  83         * graphite-poly.h (lst_pred): New.
  84         (lst_succ): New.
  85         (lst_find_first_pbb): Return NULL when not found.
  86         (lst_empty_p): New.
  87         (lst_insert_in_sequence): Allow LST1 to be NULL.
  88         (lst_replace): New.
  89         (lst_substitute_3): New.
  90         * gcc.dg/graphite/interchange-1.c: XFail.
  91         * gcc.dg/graphite/interchange-8.c: XFail.
  92         * gcc.dg/graphite/interchange-11.c: XFail.
  93
  94 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-interchange.c (lst_perfectly_nested_p): New.
  97         (lst_perfect_nestify): New.
  98         (lst_try_interchange_loops): Call store_lst_schedule,
  99         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 100         (scop_do_interchange): Avoid redundant legality test.
 101         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 102         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 103         * graphite-poly.h (psct_static_dim): New.
 104         (lst_dewey_number_at_depth): New.
 105         (lst_find_pbb): Restructured.
 106         (lst_find_first_pbb): Restructured.
 107         (lst_find_last_pbb): New.
 108         (lst_contains_p): New.
 109         (lst_contains_pbb): New.
 110         (lst_create_nest): New.
 111         (lst_remove_from_sequence): New.
 112         (pbb_update_scattering): New.
 113         (lst_update_scattering_under): New.
 114         (lst_update_scattering_seq): New.
 115         (lst_update_scattering): New.
 116         (lst_insert_in_sequence): New.
 117         (lst_distribute_lst): New.
 118         (lst_remove_all_before_including_pbb): New.
 119         (lst_remove_all_before_excluding_pbb): New.
 120
 121 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 124         get_loop_exit_edges.
 125
 126 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 127
 128         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 129
 130 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 131
 132         * graphite-poly.c (print_permutation): New.
 133         (debug_permutation): New.
 134         (new_poly_bb): Initialize PBB_PERMUTATION.
 135         (free_poly_bb): Free PBB_PERMUTATION.
 136         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 137         (struct pbb_permutation_elt): New.
 138         (PBB_PERMUTATION_ELT_STRIDE): New.
 139         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 140         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 141         (new_pbb_permutation_elt): New.
 142         (pbb_permutation_elt_free): New.
 143         (struct poly_bb): Add field permutation.
 144         (PBB_PERMUTATION): New.
 145         (print_permutation): Declared.
 146         (debug_permutation): Declared.
 147
 148 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 149
 150         * graphite-clast-to-gimple.c (gloog): Do not call
 151         sese_reset_aux_in_loops.
 152         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
 153         extra argument for domains.  Do not use loop->aux.
 154         (build_scop_iteration_domain): Initialize and free domains, pass it
 155         to build_loop_iteration_domains and extract the information from
 156         domains.  Do not use loop->aux.
 157         * sese.c (sese_reset_aux_in_loops): Removed.
 158         * sese.h (sese_reset_aux_in_loops): Removed.
 159
 160 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
 161
 162         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
 163         (dependency_in_loop_p): Same.
 164         (translate_clast): Do not use loop->aux.  Initialize
 165         loop->can_be_parallel.
 166         (mark_loops_parallel): Removed.
 167         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
 168         * graphite.c (free_aux_in_new_loops): Removed.
 169         (graphite_finalize): Do not call free_aux_in_new_loops.
 170         (graphite_transform_loops): Do not call mark_loops_parallel.
 171
 172 2009-10-26  Li Feng  <nemokingdom@gmail.com>
 173
 174         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
 175         (translate_clast): Pass an extra parameter LEVEL.
 176         Call get_scattering_level.
 177         * graphite-clast-to-gimple.h (get_scattering_level): New.
 178
 179 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
 182         * cfgloop.h (struct loop): New field single_iv.
 183
 184         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
 185         loop->aux anymore: use loop->single_iv.
 186         (graphite_loop_normal_form): Moved...
 187         (build_graphite_loop_normal_form): Removed.
 188         (gloog): Do not call build_graphite_loop_normal_form.
 189         (free_aux_in_new_loops): Moved...
 190         (mark_loops_parallel): Restructure.
 191         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
 192         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
 193         (scop_canonicalize_loops): New.
 194         (build_poly_scop): Call scop_canonicalize_loops.
 195         * graphite.c (free_aux_in_new_loops): ...here.
 196
 197 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 198
 199         * g++.dg/graphite/graphite.exp: Add the same rules as in
 200         gcc.dg/graphite/graphite.exp.
 201
 202 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 203
 204         * g++.dg/graphite/id-1.C: New.
 205
 206 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 207
 208         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
 209         argument base_name.
 210         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
 211         (rewrite_phi_out_of_ssa): Same.
 212         (rewrite_cross_bb_scalar_deps): Same.
 213         (translate_scalar_reduction_to_array): Same.
 214
 215 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 216
 217         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
 218         dump_alias_graphs.
 219
 220 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 221
 222         * graphite-sese-to-poly.c (dump_alias_graphs): New.
 223         (build_scop_drs): Call dump_alias_graphs.
 224
 225 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 226
 227         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
 228         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 229         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
 230         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
 231         * graphite-poly.h (free_lst): New.
 232         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
 233         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
 234
 235 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         * graphite-poly.h (struct scop): Add a field saved_schedule.
 238         (SCOP_SAVED_SCHEDULE): New.
 239         (store_lst_schedule): New.
 240         (restore_lst_schedule): New.
 241         (store_scattering): Call store_lst_schedule.
 242         (restore_scattering): Call restore_lst_schedule.
 243
 244 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 245
 246         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
 247         (pdr_add_alias_set): Same.
 248         (build_poly_dr): Same.
 249         (build_alias_set_optimal_p): Same.
 250         (build_base_obj_set_for_drs): Same.  Do not store the result of
 251         graphds_dfs.
 252
 253 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
 256         all_components_are_cliques to 1.
 257
 258 2009-10-20  Li Feng  <nemokingdom@gmail.com>
 259
 260         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
 261         the new structure.
 262         (pdr_add_alias_set): Update retrieving alias_set_num.
 263         (build_poly_dr): Update retrieving dr_base_object_set.
 264         (partition_drs_to_sets): Remove.
 265         (build_alias_set_optimal_p): New.
 266         (build_alias_set_for_drs): Rename.
 267         (build_scop_drs): Update.
 268         * graphite-sese-to-poly.h (struct base_alias_pair): New.
 269         (ALIAS_SET_INDEX): Remove.
 270         (BASE_OBJECT_SET_INDEX): Remove.
 271
 272 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
 275
 276 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
 279         loop upper bounds for 1-element arrays at end of structures.
 280         * tree-flow.h (array_at_struct_end_p): Declared.
 281         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
 282
 283 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         * g++.dg/graphite/pr41305.C: New.
 286
 287 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
 288
 289         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
 290         construction of parameter constraints from loop iteration analysis.
 291         * gcc.dg/graphite/run-id-2.c: New test.
 292
 293 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
 296         and new_cstr.
 297
 298 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 299
 300         * graphite-dependences.c (dependence_polyhedron_1): Remove
 301         unused gdim dimensions from the DDR polyhedron.
 302
 303 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 304
 305         * graphite-dependences.c (pddr_transformed_scattering): New.
 306         (dot_original_deps_stmt_1): New.
 307         (dot_transformed_deps_stmt_1): New.
 308         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
 309         dot_transformed_deps_stmt_1.
 310         (dot_original_deps): New.
 311         (dot_transformed_deps): New.
 312         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
 313
 314 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 315
 316         * graphite-dependences.c (reduction_dr_1): Remove wrong
 317         assert: reduction BBs can have multiple reduction writes
 318         to memory.  interchange-3.f90 is an example.
 319
 320 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 321
 322         * gfortran.dg/graphite/interchange-3.f90: New.
 323
 324 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 325
 326         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
 327
 328 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 329
 330         * graphite-dependences.c (dependence_polyhedron_1): Add the
 331         context to the dependence polyhedron.
 332
 333 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
 336         PBB_PDR_DUPLICATES_REMOVED.
 337         (new_poly_bb): Same.
 338
 339 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
 342         SCOP_CONTEXT.
 343         (build_loop_iteration_domains): Extract bounds on parameters
 344         based on the data size.
 345         (build_scop_context): Do not initialize SCOP_CONTEXT;
 346         add new constraints.
 347
 348 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 349
 350         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
 351         * graphite-ppl.h (graphite-ppl.h): Declared.
 352
 353 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 354
 355         * graphite-ppl.c (ppl_print_linear_expr): New.
 356         (debug_ppl_linear_expr): New.
 357         * graphite-ppl.h (ppl_print_linear_expr): Declared.
 358         (debug_ppl_linear_expr): Declared.
 359
 360 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * graphite-interchange.c: Fix comments.
 363         * gcc.dg/graphite/block-1.c: Fix comments.
 364
 365 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 366
 367         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
 368         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
 369
 370 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 371
 372         Reapply the patch from Alexander Monakov that disappeared during
 373         the last merges from trunk.
 374
 375         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 376
 377         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 378         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 379
 380 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 381
 382         * graphite-interchange.c (memory_stride_in_loop): The depth
 383         argument corresponds to a dynamic time dimension, so use
 384         psct_dynamic_dim to refer to the transformed scattering dimension.
 385
 386 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 387
 388         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 389
 390 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 391
 392         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 393         root of the LST.
 394         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 395         the root of the LST.
 396         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 397         fake loop.
 398         (print_lst): Print the root of LST in a different format.
 399         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 400
 401 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 402
 403         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 404
 405 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * doc/passes.texi: Document the Graphite infrastructure.
 408
 409 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 410
 411         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 412         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 413         and check the SSA representation.
 414
 415         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 416
 417 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 418
 419         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 420
 421 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 422
 423         * gcc.dg/graphite/interchange-11.c: New.
 424
 425 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 426
 427         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 428
 429 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 430
 431         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 432         Add -fno-loop-strip-mine and -fno-loop-interchange.
 433         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 434         -fno-loop-strip-mine.
 435         * gfortran.dg/graphite/graphite.exp: Same.
 436
 437 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 438
 439         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 440         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 441         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 442         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 443         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 444         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 445         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 446         DEFAULT_FLAGS_GRAPHITE_SCOP.
 447         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 448         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 449
 450 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 451
 452         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 453
 454 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 455             Sebastian Pop  <sebastian.pop@amd.com>
 456
 457         * graphite-interchange.c (build_linearized_memory_access): Pass an
 458         offset as parameter.
 459         (memory_stride_in_loop): Include transform scattering in the
 460         access functions to be able to querry the strides in the
 461         transformed loops.
 462         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 463         not the psct_iterator_dim.
 464
 465 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 468         (lst_do_strip_mine_loop): New.
 469         (lst_do_strip_mine): New.
 470         (scop_do_strip_mine): Call lst_do_strip_mine.
 471         * graphite-poly.h (lst_add_loop_under_loop): New.
 472         (lst_find_first_pbb): New.
 473
 474 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 475
 476         * graphite-poly.c (loop_to_lst): Fix LST creation.
 477
 478 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 479
 480         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 481         sizeof(unsigned long) to make it run on 32bit systems.
 482
 483 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 484
 485         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 486         SEGFAULT on 32bit.
 487
 488 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 489
 490         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 491         Comment.
 492         (write_alias_graph_to_ascii_dot): New.
 493         (write_alias_graph_to_ascii_ecc): Ditto.
 494         (partition_drs_to_sets): Add testing of optimality of current method
 495         which assigns alias numbers according to DFS Comopnent number.  used
 496         as heuristic for the upcoming ECC algorithm.
 497         (build_scop_drs): Write to file also with the ecc and dot format.
 498
 499 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 500
 501         * gfortran.dg/graphite/interchange-1.f: XFail.
 502
 503 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * graphite.c (graphite_initialize): Do not handle functions with
 506         more than 100 basic blocks.
 507
 508 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 509
 510         * graphite-blocking.c (pbb_do_strip_mine): Use
 511         PARAM_LOOP_BLOCK_TILE_SIZE.
 512
 513 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 514
 515         * graphite-poly.c (dot_lst_1): New.
 516         (dot_lst): New.
 517         * graphite-poly.h (dot_lst): Declared.
 518
 519 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         * graphite-dependences.c (dot_deps_stmt_1): New.
 522         (dot_deps_stmt): New.
 523         * graphite-dependences.h (dot_deps_stmt): Declared.
 524
 525 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 526
 527         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 528         not replace cross BB scalar dependences ending on PHI nodes.
 529         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 530
 531 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 532
 533         * graphite-poly.c (apply_poly_transforms): Implement the high
 534         level driver for flag_loop_block.
 535         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 536         flag_loop_block.
 537
 538         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 539         -floop-block.
 540         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 541         Add -floop-block.
 542
 543 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 544
 545         * graphite-poly.h (lst_find_pbb): New.
 546         (find_lst_loop): New.
 547
 548 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 549
 550         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 551         * graphite-poly.h (struct scop): Remove dep_graph field.
 552         (SCOP_DEP_GRAPH): Removed.
 553
 554 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 555
 556         * graphite-poly.h (copy_lst): Do full copy of LST.
 557
 558 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 561         when the loop stride is zero.
 562
 563         * gcc.dg/graphite/id-16.c: New.
 564
 565 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * graphite-dependences.c (reduction_dr_1): New.
 568         (reduction_dr_p): New.
 569         (graphite_legal_transform_dr): Call reduction_dr_p.
 570         (reduction_ddr): Renamed reduction_ddr_p.
 571         * graphite-poly.h (same_pdr_p): New.
 572         (number_of_write_pdrs): New.
 573         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 574         (split_reduction_stmt): Do not split reduction statements
 575         when there are no writes to memory.
 576         (translate_scalar_reduction_to_array_for_stmt): Insert the
 577         memory reduction statement just after the scalar reduction statement.
 578
 579         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 580         Un-XFAIL-ed.
 581         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 582         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 583
 584 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 585
 586         * graphite-interchange.c (lst_apply_interchange): New.
 587         (lst_interchange_profitable_p): New.
 588         (lst_try_interchange_loops): New.
 589         (lst_try_interchange): New.
 590         (lst_do_interchange): New.
 591         (pbb_do_interchange): Removed.
 592         (scop_do_interchange): Call lst_do_interchange.
 593
 594 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 597         SCOP_TRANSFORMED_SCHEDULE.
 598         (loop_to_lst): New.
 599         (scop_to_lst): New.
 600         (print_lst): New.
 601         (debug_lst): New.
 602         * graphite-poly.h (lst_p): New.
 603         (struct lst): New.
 604         (LST_LOOP_P): New.
 605         (LST_LOOP_FATHER): New.
 606         (LST_PBB): New.
 607         (LST_SEQ): New.
 608         (scop_to_lst): Declared.
 609         (print_lst): Declared.
 610         (debug_lst): Declared.
 611         (new_lst_loop): New.
 612         (new_lst_stmt): New.
 613         (copy_lst): New.
 614         (lst_depth): New.
 615         (lst_dewey_number): New.
 616         (struct scop): Add original_schedule and transformed_schedule fields.
 617         (SCOP_ORIGINAL_SCHEDULE): New.
 618         (SCOP_TRANSFORMED_SCHEDULE): New.
 619         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 620
 621 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 622
 623         * graphite-dependences.c (reduction_ddr): New.
 624         (graphite_legal_transform_bb): Call reduction_ddr.
 625         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 626         Initialize PBB_IS_REDUCTION.
 627         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 628         (PBB_IS_REDUCTION): New.
 629         (new_poly_bb): Update declaration.
 630         * graphite-scop-detection.h (build_scop_bbs): Removed.
 631         (nb_reductions_in_loop): Removed.
 632         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 633         parameter for reductions.
 634         (try_generate_gimple_bb): Update call to new_poly_bb.
 635         (build_scop_bbs_1): Same.
 636         (build_scop_bbs): Same.
 637         (gsi_for_phi_node): New.
 638         (scalar_close_phi_node_p): Remove gcc_assert.
 639         (split_reduction_stmt): New.
 640         (is_reduction_operation_p): New.
 641         (phi_contains_arg): New.
 642         (follow_ssa_with_commutative_ops): New.
 643         (detect_commutative_reduction_arg): New.
 644         (detect_commutative_reduction_assign): New.
 645         (follow_inital_value_to_phi): New.
 646         (edge_initial_value_for_loop_phi): New.
 647         (initial_value_for_loop_phi): New.
 648         (detect_commutative_reduction): New.
 649         (translate_scalar_reduction_to_array_for_stmt): New.
 650         (insert_copyout): New.
 651         (insert_copyin): New.
 652         (translate_scalar_reduction_to_array): New.
 653         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 654         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 655         (rewrite_commutative_reductions_out_of_ssa): New.
 656         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 657         * sese.h (split_region_for_bb): New.
 658
 659         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 660         * gcc.dg/graphite/interchange-1.c: Fix format.
 661         * gcc.dg/graphite/interchange-10.c: New.
 662
 663 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 664
 665         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 666         buggy assert.
 667
 668 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 669
 670         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 671         (rewrite_cross_bb_scalar_dependence): New.
 672         (rewrite_cross_bb_scalar_deps): New.
 673         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 674         Call rewrite_cross_bb_scalar_deps.
 675
 676 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 679         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 680         gsi_for_stmt.
 681
 682 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 683
 684         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 685         * graphite-interchange.c (pbb_do_interchange): Same.
 686         * graphite-poly.c (print_scattering_function): Same.
 687         (debug_pdrs): Same.
 688         * graphite-poly.h (pbb_loop): New.
 689         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 690
 691 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 694
 695 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 698         so don't pass a pointer to it.
 699         (build_alias_set_for_drs): Same.
 700         (build_base_obj_set_for_drs): Same.
 701         (build_scop_drs): Same.
 702
 703 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 704
 705         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 706         the alias graph of data references.
 707
 708 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 709
 710         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 711         (build_scop_drs): When debugging, write the alias graph to file,
 712         otherwise, should be disabled.
 713
 714 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 717         (is_simple_operand): Remove call to stmt_simple_memref_p.
 718         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 719
 720 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 721
 722         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 723         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 724         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 725         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 726         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 727
 728 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 729
 730         PR middle-end/41118
 731         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 732         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 733         (graphite_carried_dependence_level_k): Ditto.
 734         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 735         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 736         (new_poly_dr): Adjust declaration.
 737         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 738         (free_gimple_bb): Added free_data_refs_aux.
 739         (build_poly_dr): Add dr_base_object_set.
 740         (partition_drs_to_sets): New.
 741         (dr_same_base_object_p): New.
 742         (build_alias_set_for_drs): New.
 743         (build_base_object_set_for_drs): New.
 744         (build_scop_drs): Add build_base_obj_set_for_drs.
 745         * graphite-sese-to-poly.h: Added #define for alias set number index and
 746         base object set index.
 747         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 748         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 749
 750 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 751
 752         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 753         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 754
 755 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         * graphite-sese-to-poly.c (struct irp_data): Removed.
 758         (idx_record_params): Removed.
 759         (find_params_in_bb): Scan for parameters the access functions; don't
 760         parse the tree representation.
 761
 762 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 763
 764         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 765         passes at -O1 and below.
 766
 767 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 768
 769         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 770         tree-scalar-evolution.h, and then tree-data-ref.h.
 771         * graphite-clast-to-gimple.c: Same.
 772         * graphite-dependences.c: Same.
 773         * graphite-interchange.c: Same.
 774         * graphite-poly.c: Same.
 775         * graphite-scop-detection.c: Same.
 776         * graphite-sese-to-poly.c: Same.
 777         * graphite.c: Same.
 778         * lambda-code.c: Same.
 779         * matrix-reorg.c: Same.
 780         * tree-data-ref.c: Same.
 781         * tree-if-conv.c: Same.
 782         * tree-loop-distribu: Same.: Same.
 783         * tree-loop-linear.c: Same.
 784         * tree-parloops.c: Same.
 785         * tree-predcom.c: Same.
 786         * tree-vect-patterns.c: Same.
 787
 788 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 789
 790         Partially revert the previous patch, except the following.
 791         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 792         as parameters the operands of the not expression.
 793
 794 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 795
 796         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 797         Do not call analyze_scalar_evolution on assignments.
 798         (instantiate_scev_phi): Call analyze_scalar_evolution.
 799         (instantiate_scev_name): Call instantiate_scev_assign and
 800         instantiate_scev_phi.
 801         (instantiate_scev_not): Adapted to pass as parameters the operands
 802         of the not expression.
 803
 804 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 805
 806         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 807         to pass as parameters the operands of the binary expression.
 808
 809 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 810
 811         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 812         instantiate_scev_not.  Handle NEGATE_EXPR.
 813         (instantiate_scev_r): Handle NEGATE_EXPR.
 814
 815 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 816
 817         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 818         instantiate_scev_r.
 819         (instantiate_scev_r): Move code in instantiate_scev_2
 820         and instantiate_scev_1.
 821
 822 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 823
 824         * tree-scalar-evolution.c (instantiate_scev_3): New.
 825         (instantiate_scev_1): Move code in instantiate_scev_3.
 826
 827 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 830         (instantiate_scev_1): Move code in instantiate_scev_poly.
 831
 832 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 833
 834         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 835         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 836
 837 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 840         (instantiate_scev_1): Move code in instantiate_scev_convert.
 841
 842 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 843
 844         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 845         (instantiate_scev_1): Move code in instantiate_scev_binary.
 846
 847 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 848
 849         * tree-scalar-evolution.c (instantiate_scev_name): New.
 850         (instantiate_scev_1): Move code in instantiate_scev_name.
 851
 852 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 853
 854         * Merge from mainline (150992:151171).
 855
 856 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 857
 858         * graphite-dependences.c (graphite_legal_transform_bb): Call
 859         pbb_remove_duplicate_pdrs.
 860         * graphite-poly.c (can_collapse_pdr): Removed.
 861         (pdr_find_duplicate): Removed.
 862         (can_collapse_pdrs): New.
 863         (pbb_remove_duplicate_pdrs): New.
 864         (new_poly_dr): Do not look for duplicates.
 865         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 866         (PBB_PDR_DUPLICATES_REMOVED): New.
 867         (pbb_remove_duplicate_pdrs): Declared.
 868
 869 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 870
 871         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 872         the strides by multiplying by PDR_NB_REFS.
 873         * graphite-poly.c (can_collapse_pdr): New.
 874         (pdr_find_duplicate): New.
 875         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 876         Initialize PDR_NB_REFS.
 877         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 878         (PDR_NB_REFS): New.
 879         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 880
 881 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         Revert one of the previous commits:
 884         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 885         the computation of symmetric data dependence relations.
 886         (dependency_between_pbbs_p): Same.
 887
 888 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 889
 890         PR middle-end/40965
 891         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 892         any transform.
 893
 894 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 895
 896         * graphite-dependences.c (pddr_original_scattering): Return NULL
 897         for read-read dependence relations.
 898         * graphite-poly.h (enum poly_dr_type): Fix comment.
 899         (pdr_read_p): New.
 900         (pdr_write_p): New.
 901         (pdr_may_write_p): New.
 902
 903 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 906         (struct poly_dr): Same.
 907         (new_poly_dr): Same.
 908         * graphite-poly.c (new_poly_dr): Same.
 909
 910 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 911             Sebastian Pop  <sebastian.pop@amd.com>
 912
 913         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 914         pbb_strip_mine_time_depth.  Changed the implementation so that
 915         transformation is expressed as a transformation on
 916         time (scatttering) dimensions.  Also, ensures that the 2d+1
 917         scheduling format is preserved.
 918         (pbb_strip_mine_profitable_p): Profitability is based on the
 919         iteration number of a given time (scattering) dimension,
 920         and not on a original loop depth dimension.
 921         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 922         (pbb_do_strip_mine): Call psct_dynamic_dim.
 923         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 924         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 925         (pbb_nb_dynamic_scattering_transform): New.
 926         (psct_dynamic_dim): New.
 927
 928 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 929
 930         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 931         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 932         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 933         * graphite-interchange.c (build_linearized_memory_access): Same.
 934         (memory_stride_in_loop): Same.
 935
 936 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 937
 938         * graphite-dependences.c (pddr_original_scattering): New.
 939         (graphite_legal_transform_dr): Call pddr_original_scattering.
 940         (dot_deps_1): New.
 941         (dot_deps): New.
 942         * graphite-dependences.h (dot_deps): Declared.
 943         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 944         (print_pdr): Print PDR_ID.
 945         * graphite-poly.h (struct poly_dr): Add field id.
 946         (PDR_ID): New.
 947         (pbb_index): New.
 948         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 949
 950 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 953         not delete the original dependence relation.
 954
 955 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 958         the computation of symmetric data dependence relations.
 959         (dependency_between_pbbs_p): Same.
 960
 961 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 964         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 965         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 966         (free_poly_ddr): New.
 967         (pddr_is_empty): New.
 968         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 969         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 970         Remove fprintfs.
 971         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 972         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 973         * graphite-dependences.h (enum poly_dependence_kind): New.
 974         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 975         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 976         (PDRP_SINK): Renamed PDDR_SINK.
 977         (PDRP_DDP): Renamed PDDR_DDP.
 978         (PDDR_KIND): New.
 979         (free_poly_ddr): Declared.
 980         * graphite-poly.c (new_scop): Use the new hash function names.
 981         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 982         into original_pddrs.
 983         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 984
 985 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * Merge from mainline (150764:150992).
 988
 989 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 992         bounds with LT_EXPR to make niter analysis more precise on code
 993         generated by Graphite.
 994
 995 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 996
 997         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 998         (graphite_legal_transform_bb): Same.
 999         (poly_drs_may_alias_p): Same.
1000
1001 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         PR middle-end/40981
1004         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1005         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1006
1007 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * graphite-poly.c (print_pbb): Print PBB index.
1010
1011 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1012
1013         * Merge from mainline (r150672:150764).
1014
1015 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1016
1017         * graphite-interchange.c (ppl_max_for_le): Moved...
1018         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1019         * graphite-ppl.c (ppl_max_for_le): ... here.
1020         * graphite-ppl.h (ppl_max_for_le): Declared.
1021
1022 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1023
1024         * Merge from mainline (r150372:150672).
1025
1026 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         PR middle-end/40980
1029         * sese.c (convert_for_phi_arg): New.
1030         (add_guard_exit_phis): Use convert_for_phi_arg.
1031
1032         * testsuite/gfortran.dg/graphite/id-17.f: New.
1033
1034 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1037         unknown subscript upper bounds.
1038
1039         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1040
1041 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1042             Pranav Garg  <pranav.garg2107@gmail.com>
1043
1044         * graphite-interchange.c (gather_access_strides): Removed.
1045         (ppl_max_for_le): New.
1046         (build_linearized_memory_access): New.
1047         (memory_stride_in_loop): New.
1048         (pbb_interchange_profitable_p): Reimplemented.
1049         * graphite-ppl.h (ppl_new_id_map): New.
1050         (ppl_interchange): New.
1051
1052         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
1053
1054 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * graphite-interchange.c (compute_subscript): Removed.
1057         (compute_array_size_cstr): Removed.
1058         (compute_array_size_poly): Removed.
1059         (compute_array_size): Removed.
1060         (gather_access_strides_poly): Removed.
1061         (gather_access_strides): Empty.
1062
1063 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1064
1065         * graphite-dependences.c (dependence_polyhedron_1): Replace
1066         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1067         (graphite_legal_transform_dr): Same.
1068         (graphite_carried_dependence_level_k): Same.
1069         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1070         Initialize PDR_NB_SUBSCRIPTS.
1071         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1072         PDR_NB_SUBSCRIPTS.
1073         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1074         (PDR_NB_SUBSCRIPTS): New.
1075         (pdr_nb_subscripts): Removed.
1076         (pdr_dim): Simplified.
1077         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1078         with PDR_NB_SUBSCRIPTS.
1079
1080 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1081
1082         * graphite-interchange.c (compute_array_size): Remove use of
1083         PDR_DATA_CONTAINER.
1084         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1085         Do not initialize PDR_DATA_CONTAINER.
1086         (print_pdr): Do not print PDR_DATA_CONTAINER.
1087         * graphite-poly.h (struct poly_dr): Remove data_container field.
1088         (PDR_DATA_CONTAINER): Removed.
1089         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1090         PDR_DATA_CONTAINER.
1091         (build_poly_dr): Same.
1092
1093 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1094
1095         * testsuite/gcc.dg/graphite/interchange-9.c: New.
1096
1097 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1098             Sebastian Pop  <sebastian.pop@amd.com>
1099
1100         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1101         copy of the dependence polyhedron.  Free the temporary objects.
1102         (graphite_carried_dependence_level_k): Free unused objects before
1103         returning.
1104
1105         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
1106         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
1107         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
1108         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
1109         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
1110
1111 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1114         Early return without analyzing the data dependences if no
1115         transform has been done.  Call restore_scattering if the transform
1116         is not legal.
1117         (graphite-interchange.c): Same.
1118         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1119         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1120         (apply_poly_transforms): Do not gcc_assert that
1121         the transform is legal.
1122         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1123         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
1124         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
1125         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
1126         * graphite-poly.h (struct poly_scattering): New.
1127         (struct poly_bb): Add original, transformed, and saved fields.
1128         Remove transformed_scattering, original_scattering, nb_local_variables,
1129         and nb_scattering_transform fields.
1130         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
1131         (poly_scattering_new): New.
1132         (poly_scattering_free): New.
1133         (poly_scattering_copy): New.
1134         (store_scattering_pbb): New.
1135         (store_scattering): New.
1136         (restore_scattering_pbb): New.
1137         (restore_scattering): New.
1138         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1139         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
1140
1141 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1142
1143         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
1144         (print_scop): Same.
1145
1146 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * Makefile.in (graphite.o): Depends on PREDICT_H.
1149         * graphite.c: Include predict.h.
1150         (graphite_finalize): Call tree_estimate_probability.
1151         * predict.c (predict_loops): Do not call scev_initialize and
1152         scev_finalize.
1153         (tree_estimate_probability_bb): New.
1154         (tree_estimate_probability): Do not initialize loops: move that
1155         code to the driver.  Call tree_estimate_probability_bb.
1156         (tree_estimate_probability_driver): New.
1157         (pass_profile): Use tree_estimate_probability_driver.
1158         * predict.h (tree_estimate_probability): Declared.
1159
1160 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1161
1162         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
1163         * graphite-dependences.c (graphite_legal_transform): Add time to
1164         TV_GRAPHITE_DATA_DEPS.
1165         (dependency_between_pbbs_p): Same.
1166         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
1167
1168 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * Merge from mainline (r149952:150372).
1171
1172 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
1175         * graphite-blocking.c: Same.
1176         * graphite-clast-to-gimple.c: Same.
1177         * graphite-dependences.c: Same.
1178         * graphite-poly.c: Same.
1179         * graphite-poly.h: Same.
1180         * graphite-ppl.c: Same.
1181         * graphite-scop-detection.c: Same.
1182         * graphite-sese-to-poly.c: Same.
1183         * graphite.c: Same.
1184
1185 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
1188         (remove_simple_copy_phi): New.
1189         (remove_invariant_phi): New.
1190         (simple_copy_phi_p): New.
1191         (reduction_phi_p): New.
1192         (gsi_for_ssa_name_def): New.
1193         (insert_out_of_ssa_copy): New.
1194         (insert_out_of_ssa_copy_on_edge): New.
1195         (create_zero_dim_array): New.
1196         (scalar_close_phi_node_p): New.
1197         (rewrite_close_phi_out_of_ssa): New.
1198         (rewrite_phi_out_of_ssa): New.
1199         (rewrite_reductions_out_of_ssa): New.
1200         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
1201
1202         * testsuite/gcc.dg/graphite/id-11.c: New.
1203         * testsuite/gcc.dg/graphite/id-15.c: New.
1204         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
1205         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
1206         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
1207         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
1208         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
1209         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
1210         * testsuite/gfortran.dg/graphite/id-13.f: New.
1211         * testsuite/gfortran.dg/graphite/id-5.f: New.
1212
1213 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
1216         check that nb_reductions_in_loop is zero.
1217         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
1218         reduction phi nodes.
1219         (nb_reductions_in_loop): Removed.
1220         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
1221         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
1222         (bb_contains_non_iv_scalar_phi_nodes): Removed.
1223         (scop_contains_non_iv_scalar_phi_nodes): Removed.
1224         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
1225
1226 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
1229         statements that have an empty iteration domain.
1230         * testsuite/gfortran.dg/graphite/id-16.f: New.
1231
1232 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * tree-scalar-evolution.c (instantiate_scev_1): Return
1235         chrec_dont_know when the result is not above instantiate_below.
1236         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
1237         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
1238         the tree has a known scalar evolution.
1239         * testsuite/gfortran.dg/graphite/id-14.f: New.
1240         * testsuite/gfortran.dg/graphite/id-15.f: New.
1241
1242 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1243
1244         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
1245         insert_gsi.
1246         (rename_variables): Keep inserting renames after the ones already
1247         inserted.
1248
1249 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1250
1251         * graphite-sese-to-poly.c (compare_bb_depths): New.
1252         (graphite_sort_dominated_info): New.
1253         (build_scop_bbs_1): Call graphite_sort_dominated_info.
1254         (build_scop_scattering): Fix comment.
1255
1256 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
1257
1258         * graphite.c (graphite_finalize): Call print_loops instead of
1259         dump_function_to_file.
1260         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
1261         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
1262         loops generated in the graphite output file.
1263         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
1264         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
1265         * testsuite/gfortran.dg/graphite/id-12.f: New.
1266
1267 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1268
1269         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
1270         Remove 2 XFAIL.
1271
1272 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1273             Tobias Grosser  <grosser@fim.uni-passau.de>
1274
1275         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1276         alias set number build alias in ACCESSES polyhedron.
1277         (build_alias_set_for_drs): New.
1278         (build_pbb_drs): Added build_alias_set_for_drs.
1279         * graphite-dependences.c (poly_drs_may_alias_p): New.
1280         (graphite_carried_dependence_level_k): Check alias information
1281         before building polyhedron.
1282
1283 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1284
1285         * Makefile.in (lambda-code.o): Fix formatting.
1286
1287 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1288
1289         * Merge from mainline (r149350-149952)
1290
1291 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1292
1293         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1294         before interchange to prepare for loop blocking.
1295
1296 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1297
1298         * graphite-poly.c (apply_poly_transforms): Add checks after every
1299         transformation.
1300         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1301         done in apply_poly_transforms.
1302
1303 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1304
1305         * graphite-dependences.c (build_lexicographically_gt_constraint):
1306         Replace RES parameter with *RES.
1307         (dependence_polyhedron_1): Pass an address of the parameter RES
1308         instead of value of RES.
1309
1310 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1311
1312         * graphite.c (graphite_finalize): Fix comment.
1313         (graphite_transform_loops): Reset scev info after code generation
1314         of each scop.
1315
1316 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1317
1318         * graphite.c (graphite_finalize): Call scev_reset.
1319
1320 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1321
1322         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1323         GBB_CLOOG_IV_TYPES hash table twice.
1324         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1325         (add_condition_to_domain): Clear GMP values.
1326
1327 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1328
1329         * graphite-dependences.c: Fix formatting.
1330         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1331         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1332         * graphite-sese-to-poly.c: Fix formatting.
1333         * graphite.c (graphite_transform_loops): Create the hash table
1334         after the early return.
1335
1336 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1337
1338         * testsuite/gcc.dg/graphite/id-14.c: New.
1339         * testsuite/gcc.dg/graphite/pr40157.c: New.
1340         * testsuite/gfortran.dg/graphite/id-11.f: New.
1341
1342 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1343
1344         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1345         (build_poly_scop): Return false when there are no pbbs within
1346         loops to avoid to pass to cloog scops with no loops.
1347
1348 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1349
1350         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1351         useless test "i % 2".
1352         (build_pbb_scattering_polyhedrons): Fix formatting.
1353         (build_poly_dr): Same.
1354         * graphite.c (graphite_transform_loops): Restructure.
1355
1356 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1357
1358         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1359         reduction_list parameter.
1360         (rewrite_all_phi_nodes_with_iv): Same.
1361         (canonicalize_loop_ivs): Same.
1362         * tree-parloops.c (struct brli): Removed.
1363         (build_reduction_list_info): Removed.
1364         (build_new_reduction): New.
1365         (analyze_reduction_list): Removed.
1366         (gather_scalar_reductions): Find reductions instead of phi
1367         nodes that can't be canonicalized.
1368         (try_create_reduction_list): Remove reduction_list parameter.
1369         (gen_parallel_loop): Same.
1370         (parallelize_loops): Remove analyze_reductions variable,
1371         initialization and free.
1372         Change reduction_list htab initialization to reduction_info
1373         elements instead of ssa names.
1374         Call try_create_reduction_list and gen_parallel_loop without
1375         analyzed_reduction argument.
1376         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1377         canonicalize_loop_ivs with one less argument.
1378         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1379
1380 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1381
1382         * graphite-dependences.c (new_poly_dr_pair): New.
1383         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1384         (new_poly_dr_pair): New.
1385         (eq_poly_dr_pair_p): New.
1386         (hash_poly_dr_pair_p): New.
1387         * graphite-dependences.h (struct poly_dr_pair): New.
1388         (eq_poly_dr_pair_p): Declared.
1389         (hash_poly_dr_pair_p): Declared.
1390         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1391         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1392         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1393         * Makefile.in (graphite-poly.o): Add dependence on
1394         graphite-dependences.h.
1395
1396 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1397
1398         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1399         polynomials of degree > 1 pass to Graphite.
1400         * tree-chrec.c (scev_is_linear_expression): Call
1401         evolution_function_is_affine_multivariate_p.
1402         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1403
1404 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1405
1406         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1407         Instantiate scevs varying in outer loops.
1408         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1409
1410 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1413         redundant constraint.
1414
1415 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1416
1417         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1418         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1419         based on the file names as in the C testsuite.
1420         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1421         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1422         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1423         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1424         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1425         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1426         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1427         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1428         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1429         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1430         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1431         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1432         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1433
1434 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1435
1436         * sese.c (expand_scalar_variables_call): New.
1437         (expand_scalar_variables_ssa_name): Handle calls in expander.
1438
1439 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1442         Expect to see the pattern twice.
1443         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1444         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1445         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1446
1447 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1448
1449         * testsuite/gcc.dg/graphite/id-10.c: New.
1450         * testsuite/gcc.dg/graphite/id-12.c: New.
1451         * testsuite/gfortran.dg/graphite/id-7.f: New.
1452         * testsuite/gfortran.dg/graphite/id-8.f: New.
1453
1454 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1455
1456         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1457         zero.
1458
1459 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1460
1461         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1462
1463 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1466
1467 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1470         building PDR subscripts.
1471
1472 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1473
1474         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1475         computation of array sizes.
1476
1477 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1478
1479         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1480
1481 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1482
1483         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1484         build_pairwise_constraint, dr_equality_constraints,
1485         build_pairwise_scheduling_equality,
1486         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1487         build_lexicographically_gt_constraint, dependence_polyhedron,
1488         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1489         Move from NNC_Polyhedron to C_Polyhedron.
1490         * graphite-interchange.c (compute_array_size_poly,
1491         gather_access_strides): Dito.
1492         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1493         free_scop, pbb_number_of_iterations): Dito.
1494         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1495         pbb_dim_iter_domain, struct scop): Dito.
1496         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1497         new_Cloog_Domain_from_ppl_Polyhedron,
1498         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1499         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1500         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1501         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1502         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1503         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1504         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1505         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1506         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1507         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1508         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1509         build_scop_iteration_domain, build_poly_dr): Dito
1510
1511 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1512
1513         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1514         run-id-*.c files.
1515         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1516
1517 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1520         positivity constraint on the symbolic number of iterations.
1521
1522 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1525
1526 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1527             Tobias Grosser  <grosser@fim.uni-passau.de>
1528
1529         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1530         (build_cloog_prog): Directly use SCOP_CONTEXT.
1531         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1532         (free_scop): Free SCOP_CONTEXT.
1533         (print_scop_context): New.
1534         (print_scop): Call print_scop_context.
1535         (debug_scop_context): New.
1536         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1537         (struct scop): Added field context.
1538         (SCOP_CONTEXT): New.
1539         * graphite-sese-to-poly.c (add_param_constraints): New.
1540         (build_scop_context): New.
1541         (build_poly_scop): Call build_scop_context.
1542
1543 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1546         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1547         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1548         * graphite-ppl.h: Include double-int.h and tree.h.
1549         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1550         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1551         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1552         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1553
1554 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1555
1556         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1557         POINTER_PLUS_EXPR for pointer types.
1558         (clast_to_gcc_expression): Same.
1559
1560 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * graphite-poly.c (print_scattering_function): Early return when
1563         PBB_TRANSFORMED_SCATTERING is not initialized.
1564         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1565
1566 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1567
1568         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1569         to fix bootstrap.
1570
1571 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1572
1573         * tree-parloops.c (analyze_reduction_list): Change return
1574         value to void.
1575         (try_create_reduction_list): Move the call to
1576         analyze_reduction_list to the beginining.
1577         Call reduction_phi with analyzed_reductions as argument
1578         instead of reduction_list.
1579
1580 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1581
1582         *  Merge from mainline (r148296:149346)
1583
1584 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * graphite-scop-detection.c (graphite_can_represent_init): New.
1587         (graphite_can_represent_scev): Call graphite_can_represent_init:
1588         check that the initial value does not contain multiplications of
1589         parameters.
1590         (stmt_has_simple_data_refs_p): New.
1591         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1592         (is_simple_operand): Fix formatting.
1593         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1594
1595 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1596
1597         * testsuite/gcc.dg/graphite/id-13.c: New.
1598         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1599         analyze_scalar_evolution, use scalar_evolution_in_region.
1600         (scan_tree_for_params_right_scev): Add extra assert.
1601         (parameter_index_in_region_1): Split from parameter_index_in_region.
1602         (idx_record_params): Use scalar_evolution_in_region.
1603         (find_params_in_bb): Same.
1604         (find_scop_parameters): Same.
1605         (build_loop_iteration_domains): Same.
1606         (create_linear_expr_from_tree): Same.
1607         * sese.c (scalar_evolution_in_region): New.
1608         * sese.h (scalar_evolution_in_region): Declared.
1609         (defined_in_sese_p): New.
1610         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1611         static anymore.
1612         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1613         Declared.
1614
1615 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1618         TREE_DATA_REF_H also implies SCEV_H.
1619
1620 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         * graphite-poly.c (print_scop_params): New.
1623         (print_scop): Call print_scop_params.
1624         (debug_scop_params): New.
1625         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1626
1627 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1628
1629         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1630         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1631         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1632         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1633         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1634         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1635
1636 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1637
1638         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1639         for dependency checking part.
1640         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1641         tests for dependency checking.
1642         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1643         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1644         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1645         flag -fdump-tree-graphite-all for autopar testsuites.
1646
1647 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1648
1649         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1650         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1651         canonicalize_loop_ivs): Moved...
1652         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1653
1654 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * tree-parloops.c (try_create_reduction_list): Pass an extra
1657         argument analyzed_reductions.  Call analyze_reduction_list.
1658         (gen_parallel_loop): Do not call analyze_reduction_list.
1659         (parallelize_loops): Init and finalize analyzed_reductions.
1660
1661 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1662
1663         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1664         Added flag -fno-loop-strip-mine for autopar testcase.
1665
1666 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1667
1668         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1669         transformed scattering dimension instead of unmatch orignal when
1670         calling dependence_polyhedron.
1671
1672 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1673
1674         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1675
1676 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1677
1678         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1679         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1680
1681 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1682
1683         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1684         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1685         * graphite-poly.c (pbb_number_of_iterations): New.
1686         * graphite-poly.h (pbb_number_of_iterations): Declared.
1687         (pbb_iterator_dim, pbb_parameter_dim): New.
1688
1689 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1690
1691         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1692         last commit on type of lower and upper bound of loops.
1693
1694 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1695
1696         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1697         graphite-dependences.h.
1698         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1699         (mark_bb_with_pbb): New.
1700         (get_stmtfor_depth): New.
1701         (find_pbb_via_hash): New.
1702         (dependency_in_loop_p): New.
1703         (mark_loops_parallel): New.
1704         (free_aux_in_new_loops): New.
1705         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1706         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1707         innermost loop parallel without checking.
1708         (gloog): Add parameter BB_PBB_MAPPING.
1709         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1710         (gloog): Change declaration.
1711         (mark_loop_parallel): Make extern.
1712         (free_aux_in_new_loops): Declare.
1713         (bb_pbb_map_hash): New.
1714         (eq_bb_pbb_map): New.
1715         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1716         auto parallelization when flag_graphite_force_parallel is set.
1717         (graphite_finalize): Added free_aux_in_new_loops.
1718         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1719         the innermost loop that marked parallel.  Use
1720         flag_graphite_force_parallel instead of loop->can_be_parallel.
1721         (loop_parallel_p): Move inner most checking out of function.
1722
1723 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1726         type of lower and upper bound of loops signed long int.
1727
1728 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1729
1730         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1731         expression outside the loop.
1732
1733 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * gcc.dg/graphite/interchange-8.c: New.
1736
1737 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1738
1739         * gcc.dg/graphite/interchange-0.c: XFailed.
1740         * gcc.dg/graphite/interchange-5.c: XFailed.
1741         * gcc.dg/graphite/interchange-6.c: XFailed.
1742
1743 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1744
1745         * graphite-interchange.c (compute_array_size_poly): The end of the
1746         recursion should return 1.
1747
1748 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1749
1750         * graphite-interchange.c (compute_array_size_cstr): Allow the
1751         subscript multiplier to be -1.
1752         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1753         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1754         data_container.  Initializes PDR_DATA_CONTAINER.
1755         (print_pdr_access_layout): New.
1756         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1757         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1758         data_container.
1759         (PDR_DATA_CONTAINER): New.
1760         (new_poly_dr): Update declaration.
1761         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1762         (build_poly_dr): Call pdr_add_data_dimensions.
1763
1764 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1765
1766         * graphite-poly.h (struct poly_dr): Fix comment.
1767         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1768         (pdr_add_memory_accesses): New.
1769         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1770
1771 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1774         (print_pbb): Add call to print_pdrs.
1775         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1776
1777 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1778             Li Feng <nemokingdom@gmail.com>
1779
1780         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1781         (dependency_between_pbbs_p): New.
1782         (lexicographically_gt_p): Assure !empty_p before polyhedron
1783         intersection assign.
1784         (build_lexicographically_gt_constraint): Correct lexicographically
1785         judging.
1786         * graphite-dependences.h: New.
1787         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1788
1789 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1790
1791         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1792         (gloog): Print to dump_file the generated clast.
1793         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1794         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1795
1796 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * graphite-poly.c (extend_scattering): Increment
1799         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1800
1801 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1802
1803         * graphite-interchange.c (compute_array_size_poly): Added exit of
1804         recursion condition.  Continue iterating even after the first equality.
1805         (compute_array_size): Same.
1806
1807 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1808
1809         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1810         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1811         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1812         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1813         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1814
1815 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1816
1817         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1818         only when the use verifies is_gimple_reg.
1819
1820 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1823         Allocate scaldims after call to unify_scattering_dimensions.
1824
1825 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1828
1829 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1830             Albert Cohen  <albert.cohen@inria.fr>
1831
1832         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1833         variables for the strip mining.
1834
1835 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1836             Pranav Garg  <pranav.garg2107@gmail.com>
1837
1838         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1839         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1840         (graphite-blocking.o): New rule.
1841         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1842         * graphite-blocking.c: New.
1843         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1844         flag_loop_strip_mine.
1845         (psct_scattering_dim_for_loop_depth): New.
1846         * graphite-poly.h (scop_do_strip_mine): Declared.
1847         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1848         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1849         flag_loop_strip_mine.
1850
1851 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1852
1853         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1854         a GMP value and a PPL coefficient at each iteration of a loop.
1855
1856 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-dependences.c (dependence_polyhedron): Do not use
1859         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1860         pbb_nb_scattering_transform.
1861         (graphite_legal_transform_dr): Same.
1862         * graphite-poly.c (extend_scattering): Same.
1863         (unify_scattering_dimensions): Same.
1864         (print_scattering_function): Same.
1865         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1866         PBB_NB_LOCAL_VARIABLES.
1867         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1868         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1869         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1870         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1871         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1872         (pbb_nb_scattering_transform): New.
1873         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1874         (psco_scattering_dim): Add assert on parameters.
1875         (psct_scattering_dim): Same.
1876         (psct_scattering_dim_for_loop_depth): Declared.
1877         (psct_local_var_dim): New.
1878         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1879         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1880         correct layout, call pbb_nb_local_vars.
1881         (psct_add_local_variable, psct_add_scattering_dimension): New.
1882         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1883         Initialize PBB_NB_SCATTERING_TRANSFORM.
1884
1885 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1886
1887         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1888         (set_coef): Renamed ppl_set_coef.
1889         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1890
1891 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1892
1893         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1894         test a boolean against 1.
1895         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1896         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1897         (pbb_do_interchange): Returns true when a transform has been performed.
1898         (scop_do_interchange): Same.
1899         * graphite-poly.c (apply_poly_transforms): Use the return value of
1900         scop_do_interchange.
1901         * graphite-poly.h (scop_do_interchange): Update declaration.
1902
1903 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1904
1905         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1906         after last use.
1907         * sese.c (sese_reset_aux_in_loops): New.
1908         * sese.h (sese_reset_aux_in_loops): New.
1909
1910 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1911
1912         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1913         multiplier and multiply the constant by the multiplier.
1914         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1915         (build_poly_dr): Do not use the multiplier to define the subscript.
1916
1917 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1918
1919         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1920         compiler's data reference.  Initialize PDR_CDR.
1921         (print_pdr): Call dump_data_reference.
1922         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1923         Add compiler_dr field.
1924         (PDR_BB): Renamed PDR_PBB.
1925         (PDR_CDR): New.
1926         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1927         GCC's data reference representation.
1928         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1929         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1930
1931 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-poly.c (print_scattering_function): Also print the layout.
1934         * graphite-poly.h (pbb_nb_local_vars): New.
1935
1936 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1939
1940 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-poly.c (print_pdr, debug_pdr): New.
1943         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1944         (PDR_BASE): Removed.
1945
1946 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1947
1948         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1949         ltrans-{1..6,8}.c.
1950
1951 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1952
1953         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1954         subscript identification column.
1955         (pbb_do_interchange): Print to dump_file that some loops "will be
1956         interchanged".  Rely on that chain of characters in the testcases.
1957         * gcc.dg/graphite/interchange-0.c: New.
1958         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1959         interchange-*.c files and compile them with -floop-interchange.
1960
1961 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1962
1963         * graphite-interchange.c (interchange_profitable_p): Renamed
1964         pbb_interchange_profitable_p.
1965
1966 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1967             Harsha Jagasia  <harsha.jagasia@amd.com>
1968             Pranav Garg  <pranav.garg2107@gmail.com>
1969
1970         * graphite-interchange.c (interchange_profitable_p): Make static.
1971         (pbb_interchange_loop_depths, pbb_do_interchange,
1972         scop_do_interchange): New.
1973         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1974         for flag_loop_interchange.
1975         * graphite-poly.h (scop_do_interchange): Declared.
1976         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1977         flag_loop_interchange is used.
1978
1979 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * graphite-dependences.c (dependence_polyhedron): Update use of
1982         pbb_nb_scattering_dims.
1983         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1984         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1985         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1986         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1987
1988 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite.c: Cleanup foo.
1991
1992 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * Merge from mainline (r143684:148293).
1995         * Disabled libpcp until it gets fixed.
1996
1997 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1998             Harsha Jagasia  <harsha.jagasia@amd.com>
1999
2000         * graphite-interchange.c: New.
2001         * Makefile.in (graphite-interchange.o): New.
2002         * graphite-poly.h (interchange_profitable_p): Declared.
2003         * graphite-ppl.h (value_max): New.
2004
2005 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2006
2007         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2008         * graphite-poly.h: Fix some comments.
2009         (pdr_dim): New.
2010         (pdr_scop): New.
2011
2012 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * graphite-poly.h
2015         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2016         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2017         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2018         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2019         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2020         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2021         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2022         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2023         * graphite-clast-to-gimple.c: Same.
2024         * graphite-dependences.c: Same.
2025         * graphite-poly.c: Same.
2026         * graphite-sese-to-poly.c: Same.
2027
2028 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2031         expressions for an IV rename, as returned by clast_to_gcc_expression.
2032         (copy_renames): Rename new_name to expr.
2033         * sese.c (debug_rename_elt): Same.
2034         (get_rename): Same.
2035         (set_rename): Same.
2036         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2037         the information from the rename map.
2038         (rename_variables_in_stmt): Same.
2039         (add_loop_exit_phis): Rename new_name to expr.
2040         (insert_loop_close_phis): Same.
2041         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2042         * sese.h (struct rename_map_elt): Rename new_name to expr.
2043         (new_rename_map_elt): Same.
2044
2045 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2048         * sese.c (set_rename): Make it extern.
2049         * sese.h (set_rename): Declared.
2050
2051 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * graphite-poly.c (extend_scattering): Free values.
2054         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2055         Free iterators.
2056         (ppl_print_powerset_matrix): Same.
2057         * graphite-scop-detection.c (free_scops_1): New.
2058         (limit_scops): Call free_scops_1.
2059         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2060         (build_poly_dr): Free PPL coefficients.
2061         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2062
2063 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         * graphite-dependences.c: New.
2066         * graphite-data-ref.c: Removed.
2067         * graphite-data-ref.h: Removed.
2068         * Makefile.in (graphite-data-ref.o): Removed.
2069         (graphite-dependences.o): Added.
2070         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2071         * graphite-poly.c: Same.
2072         Move the data dependence testing to graphite-dependences.c.
2073
2074 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2075
2076         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2077         from graphite_cannot_represent_loop. Code refactored.
2078         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2079
2080 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2081
2082         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2083         Cover all the testcases (not only the filtered ones).
2084
2085 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2086
2087         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2088         unnecessary check. Update comments. Move check for REAL_TYPE here.
2089         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2090         done in (stmt_simple_for_scop_p).
2091
2092 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2093
2094         * graphite.c (print_global_statistics): New.
2095         (print_graphite_scop_statistic): New.
2096         (print_graphite_statistics): New.
2097         (graphite_initialize, graphite_transform_loops): Print statistics.
2098         * graphite-scop-detection (build_scops): Print statistics.
2099         (print_graphite_scop_statistics): New.
2100         (print_graphite_statistics): New.
2101
2102 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2103
2104         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2105         (debug_clast_name_index): Removed.
2106         (debug_clast_name_indexes_1): Removed.
2107         (debug_clast_name_indexes): Removed.
2108         (clast_name_index_elt_info): Removed.
2109         (eq_clast_name_indexes): Removed.
2110         (clast_name_to_index): Removed.
2111         (new_clast_name_index): Removed.
2112         (save_clast_name_index): Removed.
2113         (save_var_name): Moved...
2114         (init_sese_params_index): Removed.
2115         (clast_name_to_gcc): Remove use of name_tree.
2116         (initialize_cloog_names): Same.
2117         (gloog): Do not call init_sese_params_index.
2118         * graphite-sese-to-poly.c (save_var_name): ...here.
2119         (parameter_index_in_region): New.
2120         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2121         (parameter_index_in_region): Removed.
2122         (is_parameter): Remove use of name_tree.
2123         * sese.h (struct name_tree): Removed.
2124         (struct sese): Remove use of name_tree.  New field params_names.
2125         (SESE_PARAMS_NAMES): New.
2126         (SESE_PARAMS): Remove duplicate.
2127         (parameter_index_in_region): Removed.
2128         (sese_nb_params): Remove use of name_tree.
2129         (struct clast_name_index): New.
2130         (new_clast_name_index): New.
2131         (clast_name_to_index): New.
2132         (save_clast_name_index): New.
2133         (debug_clast_name_index): New.
2134         (debug_clast_name_indexes_1): New.
2135         (debug_clast_name_indexes): New.
2136         (clast_name_index_elt_info): New.
2137         (eq_clast_name_indexes): New.
2138
2139 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
2142         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
2143         (graphite_loop_normal_form): Do not pass region.  Do not
2144         initialize SESE_OLDIVS.
2145         (build_graphite_loop_normal_form): Update call to
2146         graphite_loop_normal_form.
2147         * sese.c (debug_oldivs): Removed.
2148         (new_sese): Do not initialize SESE_OLDIVS.
2149         (free_sese): Do not free SESE_OLDIVS.
2150         (oldiv_for_loop): Removed.
2151         * sese.h (struct sese): Remove old_ivs.
2152         (SESE_OLDIVS): Removed.
2153         (oldiv_for_loop): Removed.
2154
2155 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2156
2157         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
2158         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
2159         replaced by a call to newivs_to_depth_to_newiv.
2160         (clast_to_gcc_expression): Pass newivs, remove ivstack.
2161         (clast_to_gcc_expression_red): Same.
2162         (gcc_type_for_clast_expr): Same.
2163         (gcc_type_for_clast_eq): Same.
2164         (graphite_translate_clast_equation): Same.
2165         (graphite_create_guard_cond_expr): Same.
2166         (graphite_create_new_guard): Same.
2167         (graphite_create_new_loop): Same.
2168         (build_iv_mapping): Same.
2169         (translate_clast): Same.
2170         (gloog): Same.
2171         (loop_iv_stack_patch_for_consts): Removed.  *
2172         sese.c (iv_stack_entry_is_constant): Removed.
2173         (iv_stack_entry_is_iv): Removed.
2174         (loop_iv_stack_push_iv): Removed.
2175         (loop_iv_stack_insert_constant): Removed.
2176         (loop_iv_stack_pop): Removed.
2177         (loop_iv_stack_get_iv): Removed.
2178         (loop_iv_stack_get_iv_from_name): Removed.
2179         (debug_loop_iv_stack): Removed.
2180         (free_loop_iv_stack): Removed.
2181         (loop_iv_stack_remove_constants): Removed.  *
2182         sese.h (iv_stack_entry_kind): Removed.
2183         (iv_stack_entry_data_union): Removed.
2184         (iv_stack_entry_struct): Removed.
2185         (iv_stack_entry_p): Removed.
2186         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
2187         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
2188         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
2189         loop_iv_stack_pop, free_loop_iv_stack): Removed.
2190         (gbb_loop_at_index): Fix indenting.
2191         (gbb_loop_index): Removed.
2192
2193 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
2196         Call clast_name_to_index.
2197
2198 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
2201         do not pass params.  Get params from SESE_PARAMS.
2202         (clast_to_gcc_expression): Same.
2203         (clast_to_gcc_expression_red): Same.
2204         (gcc_type_for_clast_eq): Same.
2205         (graphite_translate_clast_equation): Same.
2206         (graphite_create_new_loop): Same.
2207         * sese.c (rename_variables_in_stmt): Fix comment.
2208
2209 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2210
2211         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
2212         newivs_index.
2213         Call save_clast_name_index.
2214         (translate_clast): Pass newivs_index.
2215         (gloog): Create and free newivs_index.
2216
2217 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2218
2219         * graphite-clast-to-gimple.c (clast_name_index): New structure.
2220         (clast_name_index_p): New type.
2221         (debug_clast_name_index): New.
2222         (debug_clast_name_indexes_1): New.
2223         (debug_clast_name_indexes): New.
2224         (clast_name_index_elt_info): New.
2225         (eq_clast_name_indexes): New.
2226         (clast_name_to_index): New.
2227         (new_clast_name_index): New.
2228         (save_clast_name_index): New.
2229         (init_sese_params_index): New.
2230         (gloog): Call init_sese_params_index.
2231         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
2232         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
2233         (free_sese): Free SESE_PARAMS_INDEX.
2234         * sese.h (struct sese): Add params_index.
2235         (SESE_PARAMS_INDEX): New.
2236
2237 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
2240         (graphite_create_new_loop): Pass the newivs vector.  Push the
2241         newly created IV to newivs.
2242         (translate_clast): Pass the newivs vector.
2243         (gloog): Create and destroy the newivs vector.
2244
2245 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2246
2247         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
2248         (graphite_loop_normal_form): Initialize loop->aux with the unique
2249         IV that has been created.
2250
2251 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
2252
2253         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
2254         scev with parameters in the base part. They where forbidden
2255         exidently.
2256
2257 2009-05-11  Li Feng  <nemokingdom@gmail.com>
2258
2259         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
2260         compile options by file names.
2261         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
2262         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
2263         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
2264         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
2265
2266 2009-05-08  Li Feng <nemokingdom@gmail.com>
2267
2268         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
2269         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
2270         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2271         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2272
2273 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2274
2275         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2276         by final cleanup.
2277
2278 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2279
2280         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2281         allow integer constant strides.
2282         (graphite_can_represent_expr): Depend on outermost_loop.
2283         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2284         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2285         build_scops_1): Same.
2286         (scopdet_basic_block_info): Same and insert layered SCoP
2287         detection.
2288         (try_generate_gimple_bb): Cleanup.
2289         (build_scops): Enable data references.
2290
2291         * testsuite/gcc.dg/graphite/id-5.c: New.
2292         * testsuite/gcc.dg/graphite/id-9.c: New.
2293         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2294         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2295
2296 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2297
2298         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2299         that we have not yet built for this SCoP.
2300
2301 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2302
2303         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2304         for complex numbers.
2305
2306 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2307
2308         * graphite-ppl.c: Fix build if cloog is not available.
2309
2310 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2311
2312         * tree-parloops.c (loop_parallel_p): Remove construction of
2313         NITER and REDUCTION_LIST.
2314         (try_get_loop_niter): New.
2315         (try_create_reduction_list): New.
2316         (parallelize_loops): Bypass the failed checkings in autopar
2317         when can_be_parallel in loop structure is set to true.
2318
2319 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2320
2321         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2322         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2323
2324 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2325
2326         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2327         Enable EQ_EXPR and NE_EXPR again.
2328
2329 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2330
2331         * graphite-scop-detection.c (graphite_can_represent_scev):
2332         Add check if scev is affine multivariate.
2333         (harmful_stmt_in_bb): Check if we can represent the conditions.
2334         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2335         harmful_stmt_in_bb.
2336         * testsuite/gcc.dg/graphite/id-7.c: New.
2337
2338 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2339
2340         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2341         Check all bbs in region, not only the bbs that are represented in
2342         GRAPHITE.
2343         (build_poly_scop): Add newline.
2344         * testsuite/gcc.dg/graphite/id-8.c: New.
2345
2346 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2347
2348         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2349         when loop initialize.
2350         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2351         * common.opt: Declare flag_graphite_force_parallel.
2352         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2353         loop parallel.
2354         * graphite-poly.c (apply_poly_transforms): Introduce
2355         flag_graphite_force_parallel.
2356         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2357         * toplev.c (process_options): ditto and replace a not correctly
2358         encoded space.
2359
2360 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2361
2362         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2363         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2364         to the redefinition.
2365         (compute_cloog_iv_types_1): ditto.
2366         (build_iv_mapping): ditto.
2367         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2368         initialization.
2369         (free_gimple_bb): Removed GBB_LOOPS related free part.
2370         (build_bb_loops): Removed.
2371         * sese.h (struct gimple_bb): Removed loops.
2372         (GBB_LOOPS): Removed.
2373         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2374         (gbb_loop_index): ditto.
2375
2376 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2377
2378         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2379         allow non constant strides.
2380         * testsuite/gcc.dg/graphite/scop-20.c: New.
2381
2382 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-scop-detection.c (dot_all_scops): Fix system call
2385         return value warning.
2386         (dot_scop): Same.
2387
2388 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2391         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2392
2393 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2396         build_pairwise_constraint, dr_equality_constraints,
2397         build_pairwise_scheduling_equality,
2398         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2399         build_lexicographically_gt_constraint, dependence_polyhedron,
2400         graphite_legal_transform_dr, graphite_legal_transform_bb,
2401         graphite_legal_transform): New.
2402         * graphite-poly.h (graphite_legal_transform): Declared.
2403         * graphite-sese-to-poly.c (build_poly_scop): Call to
2404         graphite_legal_transform is disabled for the moment.
2405
2406 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-poly.h (pbb_nb_scattering_dims): New.
2409         (pbb_nb_scattering): Use it.
2410
2411 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2414         Pointset_Powerset version of ppl_insert_dimensions.
2415         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2416
2417 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2420
2421 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2422
2423         * graphite-poly.h: Fix comment.
2424
2425 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2426
2427         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2428
2429 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2430
2431         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2432         statements.
2433
2434 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2435
2436         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2437         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2438         conditions.
2439
2440 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2441
2442         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2443         handle EQ_EXPR and NE_EXPR.
2444
2445 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2446
2447         * graphite-poly.h (poly_dr): Fix comment.
2448
2449 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2450             Tobias Grosser  <grosser@fim.uni-passau.de>
2451
2452         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2453         with a zero dimension polyhedron.
2454         (find_scop_parameters): Move the call to scop_set_nb_params here.
2455         (build_loop_iteration_domains): Store in loop->aux the iteration
2456         domain polyhedron.
2457         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2458         by any loop in scop.
2459         (build_poly_scop): Do not call scop_set_nb_params.
2460
2461 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2462             Tobias Grosser  <grosser@fim.uni-passau.de>
2463
2464         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2465         add_condition_to_domain not GT_EXPR.
2466
2467 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2468
2469         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2470         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2471         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2472         upper_bound_assign to calculate unions.
2473         * testsuite/gcc.dg/graphite/id-6.c: New.
2474
2475 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2476
2477         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2478         handle abnormal edges.
2479
2480 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2481
2482         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2483         (free_poly_bb): Also free poly_drs.
2484         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2485         (poly_dr): Polyhedron to Pointset_Powerset.
2486         (pdr_accessp_nb_subscripts): Same.
2487         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2488         poly_drs.
2489
2490 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2491
2492         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2493         names into more meaningful names.
2494
2495 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2496
2497         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2498         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2499
2500 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2503         the reduction_list.
2504         * tree-parloops.c (rewrite_phi_with_iv): New.
2505         (rewrite_all_phi_nodes_with_iv): New.
2506         (canonicalize_loop_ivs): Call them.
2507
2508 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2511         graphite_find_data_references_in_stmt.
2512         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2513         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2514
2515 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2516
2517         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2518
2519 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2522         instead of bb_in_region.
2523         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2524         (build_sese_conditions): Use flag_bb_in_sese.
2525         * sese.c (register_bb_in_sese): Removed.
2526         (new_sese): Remove initialization of SESE_REGION_BBS.
2527         (free_sese): Do not free SESE_REGION_BBS.
2528         * sese.h (struct sese): Remove field region_basic_blocks.
2529         (SESE_REGION_BBS): Removed.
2530         (bb_in_sese_p): Implement in function of bb_in_region.
2531
2532 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2533
2534         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2535         loops.
2536
2537 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2538
2539         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2540         and EQ_EXPR.
2541         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2542         (add_condition_to_domain): New.
2543         (add_condition_to_pbb): New.
2544         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2545         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2546
2547 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2548
2549         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2550         ppl_Pointset_Powerset.
2551         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2552         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2553         (pbb_nb_loops): Same.
2554         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2555         add_conditions_to_domain): Same.
2556         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2557         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2558         ppl_const_Polyhedron_t.
2559         (ppl_print_powerset_matrix): New.
2560         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2561         ppl_print_powerset_matrix): New.
2562         (ppl_print_polyhedron_matrix): Updated.
2563
2564 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2565
2566         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2567
2568 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2569
2570         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2571         (print_iteration_domains, debug_iteration_domain,
2572         debug_iteration_domains): New.
2573         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2574         debug_iteration_domains): Declared.
2575         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2576         indenting.
2577
2578 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2579             Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * graphite-poly.h (print_iteration_domain): New.
2582         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2583         (build_sese_conditions_1, build_sese_conditions_after,
2584         build_sese_conditions_before): New.
2585         (build_sese_conditions): Rewritten.
2586
2587 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2588             Tobias Grosser  <grosser@fim.uni-passau.de>
2589
2590         Cleanup of code generation liveouts.
2591         * graphite-clast-to-gimple.c (translate_clast): Use a single
2592         rename_map instead of one per translated statement.
2593         Do not use SESE_LIVEOUT_RENAMES.
2594         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2595         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2596         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2597         phi node of a reduction: when a loop contains a reduction used outside
2598         the loop, there should be a scalar close phi node on the exit block.
2599         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2600         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2601         (free_sese): Do not free them.
2602         (sese_build_liveouts_use): Do not use them.
2603         (sese_build_liveouts_bb): Same.
2604         (sese_build_liveouts): Same.
2605         (sese_insert_phis_for_liveouts): Same.
2606         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2607         (defined_in_loop_p): New.
2608         (alive_after_loop): New.
2609         (close_phi_not_yet_inserted_p): New.
2610         (struct alep, alep_p): New.
2611         (add_loop_exit_phis): Remove from the rename_map all the names defined
2612         in the code generated loop.
2613         (insert_loop_close_phis): Traverse the rename_map passed to it.
2614         Don't use SESE_LIVEOUT_RENAMES.
2615         (default_liveout_before_guard): Renamed default_before_guard.
2616         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2617         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2618         (register_sese_liveout_renames): Removed.
2619         (copy_bb_and_scalar_dependences): Do not call it.
2620         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2621         reduction_list.
2622         (SESE_LIVEOUT): Removed.
2623         (SESE_LIVEOUT_RENAMES): Removed.
2624         (SESE_REDUCTION_LIST): Removed.
2625         (sese_build_liveouts): Removed.
2626         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2627         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2628         (insert_guard_phis): Same.
2629         (rename_map_elt): Declare a VEC of them.
2630         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2631         trees not pointers to trees.
2632
2633         Rewrite in canonical close SSA form:
2634         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2635         (limit_scops): Close the scop after the block containing the close phi
2636         nodes.
2637         (canonicalize_loop_closed_ssa): New.
2638         (canonicalize_loop_closed_ssa_form): New.
2639         (build_scops): Call canonicalize_loop_closed_ssa_form.
2640
2641         * graphite-sese-to-poly.c: Fix typos.
2642
2643 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2646         Extended.
2647         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2648         (print_pbb): Add conditions.
2649
2650 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2651             Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2654         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2655         (build_scop_bbs_1): New.
2656         (build_scop_bbs): Rewrite.
2657         * sese.h (bb_in_region): New.
2658
2659 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2662         poly_drs vector.
2663         (print_scop): Style.
2664         * graphite-poly.h (poly_bb): Add drs vector.
2665         (PBB_DRS): Add accessor.
2666         * graphite-sese-to-poly.c (build_poly_dr): New.
2667         (build_pbb_drs, build_scop_drs): New.
2668         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2669
2670 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2671
2672         * tree-ssa-loop.c: Include forgotten toplev.h
2673
2674 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2675
2676         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2677         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2678         * testsuite/gcc.dg/graphite/pr37928.c: Same
2679         * testsuite/gcc.dg/graphite/pr38409.c: Same
2680         * testsuite/gcc.dg/graphite/pr38498.c: Same
2681         * testsuite/gcc.dg/graphite/pr38559.c: Same
2682         * testsuite/gcc.dg/graphite/pr39335.c: Same
2683         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2684         * testsuite/gfortran.dg/graphite/block-2.f: Same
2685         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2686         with -floop-*.
2687
2688 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2689
2690         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2691         build_access_matrix, build_scop_data_accesses): Remove access function
2692         building. (We get a new version soon).
2693         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2694         * sese.h (nb_loops_around_loop_in_sese): Remove.
2695         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2696
2697 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2698             Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         * graphite-scop-detection.c (struct scopdet_info): Rename last
2701         field to exit.
2702         (scopdet_basic_block_info, build_scops_1): Don't use
2703         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2704
2705 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2706             Sebastian Pop  <sebastian.pop@amd.com>
2707
2708         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2709         * sese.c (sese_build_liveouts_use): Renamed from
2710         sese_build_livein_liveouts_use. Remove liveins.
2711         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2712         Call sese_build_liveouts_use.
2713         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2714         Call sese_build_liveouts_bb.
2715         (new_sese, free_sese): Remove liveins.
2716         (sese_add_exit_phis_var): Deleted.
2717         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2718         directly.
2719         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2720
2721         * sese.h (sese): Remove num_ver and livein.
2722         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2723
2724 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2725
2726         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2727
2728 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2729
2730         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2731         (build_scop_scattering): Do not use compare_prefix_loops any more.
2732         (nb_common_loops): New.
2733
2734 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2735
2736         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2737         (register_old_and_new_names): Renamed set_rename.
2738
2739 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2742         of the decl from the previous commit.
2743
2744 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         * graphite-scop-detection.c (dot_scop): New.
2747         * graphite-scop-detection.h (dot_scop): Declared.
2748
2749 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2752
2753 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2754
2755         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2756         condition at the end of the loop.
2757         * graphite.c (graphite_initialize, graphite_finalize): Print to
2758         dump_file the compiled function.
2759         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2760         of create_empty_loop_on_edge.
2761         (translate_clast): Update the code generation of loops for the new
2762         shape of loops.
2763         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2764
2765 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2766
2767         Reverted the patch from 2009-03-19.
2768
2769 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2770
2771         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2772         poly_drs vector.
2773         (print_scop): Style.
2774         * graphite-poly.h (poly_bb): Add drs vector.
2775         (PBB_DRS): Add accessor.
2776         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2777         (build_access_matrix_with_af, build_access_matrix,
2778         build_scop_data_accesses): Delete.
2779         (build_poly_dr): New.
2780         (build_pbb_drs, build_scop_drs): New.
2781         (build_poly_scop): call build_scop_drs.
2782
2783 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2786         once per basic block.
2787
2788 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2789
2790         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2791         (graphite_can_represent_expr): Renamed from loop_affine_expr
2792         and enhanced.
2793         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2794         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2795         (scopdet_basic_block_info): Actually define entry_block.
2796         (stmt_simple_memref_p): Moved here from ...
2797
2798         * tree-data-ref.c (stmt_simple_memref_p): here.
2799         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2800
2801 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2802
2803         * testsuite/gcc.dg/graphite/id-4.c: New.
2804
2805 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2806
2807         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2808         (register_old_and_new_names): Update the content of the map.
2809         When there was already a rename_map_elt in the map at that
2810         location, free it.
2811         (copy_bb_and_scalar_dependences): Do rename_variables after
2812         expand_scalar_variables.
2813         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2814         of the map.  When there was already a rename_map_elt in the
2815         map at that location, free it.
2816         (translate_clast): Pass the rename_map.  Do not initialize and free
2817         a rename_map per stmt_user.
2818         (gloog): Initialize and free one rename_map and pass it to
2819         translate_clast.
2820
2821 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2822
2823         * sese.c (expand_scalar_variables_stmt,
2824         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2825         parameter.
2826         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2827         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2828         the gimple_stmt_iterator of the statement to be expanded.
2829         * graphite-scop-detection.c (is_simple_operand): Do handle
2830         REALPART_EXPR.
2831
2832 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2833
2834         * graphite-scop-detection.c (is_simple_operand): Do not handle
2835         REALPART_EXPR.
2836         * testsuite/gcc.dg/graphite/id-2.c: New.
2837
2838         * graphite-sese-to-poly.c (build_bb_loops,
2839         add_value_to_dim, scan_tree_for_params_right_scev,
2840         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2841         find_params_in_bb, build_loop_iteration_domains,
2842         add_conditions_to_domain): Remove subtract.
2843
2844 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2845
2846         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2847         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2848         pbb_loop_at_index -> gbb_loop_at_index.
2849         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2850         (debug_loop_vec): Delete.
2851         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2852         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2853         (PBB_LOOPS): Removed.
2854         (PBB_BLACK_BOX): Insert cast.
2855         (pbb_set_black_box): New setter.
2856         (pbb_loop_at_index, pbb_loop_index): Removed.
2857         (scop_set_region, scop_set_nb_params): New.
2858         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2859         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2860         (build_poly_scop): Use scop_set_nb_params.
2861         * sese.h (gimple_bb): Add LOOPS.
2862         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2863
2864 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2865
2866         Revert previous commit.
2867
2868 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2869
2870         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2871         (register_old_and_new_names): Update the content of the map.
2872         When there was already a rename_map_elt in the map at that
2873         location, free it.
2874         (copy_bb_and_scalar_dependences): Do rename_variables after
2875         expand_scalar_variables.
2876         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2877         of the map.  When there was already a rename_map_elt in the
2878         map at that location, free it.
2879         (translate_clast): Pass the rename_map.  Do not initialize and free
2880         a rename_map per stmt_user.
2881         (gloog): Initialize and free one rename_map and pass it to
2882         translate_clast.
2883
2884 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2885
2886         Remove forgotten line in revert.
2887
2888 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         Revert previous commit.
2891
2892 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * sese.c (register_old_and_new_names): Update the content
2895         of the map.  When there was already a rename_map_elt in the
2896         map at that location, free it.
2897         (copy_bb_and_scalar_dependences): Do rename_variables after
2898         expand_scalar_variables.
2899         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2900         of the map.  When there was already a rename_map_elt in the
2901         map at that location, free it.
2902         (translate_clast): Pass the rename_map.  Do not initialize and free
2903         a rename_map per stmt_user.
2904         (gloog): Initialize and free one rename_map and pass it to
2905         translate_clast.
2906
2907 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * graphite-clast-to-gimple.c (translate_clast): context_loop
2910         is never NULL.
2911
2912 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2913             Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2916         of the use of ppl_Polyhedron_map_space_dimensions.
2917
2918 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2919             Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2922         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2923         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2924         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2925         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2926         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2927         pbb_nb_params): New.
2928         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2929         nb_loops_around_pbb): Adapt return types.
2930
2931 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2932
2933         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2934         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2935         graphite-scop-detection.o, graphite-poly.o): Add
2936         more headers.
2937
2938 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2939
2940         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2941         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2942         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2943
2944 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2945
2946         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2947         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2948         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2949         * testsuite/gcc.dg/graphite/block-0.c: Same.
2950         * testsuite/gcc.dg/graphite/block-1.c: Same.
2951         * testsuite/gcc.dg/graphite/block-2.c: Same.
2952         * testsuite/gcc.dg/graphite/block-3.c: Same.
2953         * testsuite/gcc.dg/graphite/block-4.c: Same.
2954         * testsuite/gcc.dg/graphite/block-5.c: Same.
2955         * testsuite/gcc.dg/graphite/block-6.c: Same.
2956         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2957         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2958         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2959         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2960         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2961         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2962         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2963         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2964         * opts.c: Remove -floop-block from -O2.
2965         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2966         -floop-strip-mine are used.
2967
2968 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2969             Sebastian Pop  <sebastian.pop@amd.com>
2970
2971         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2972         dimensions.
2973         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2974         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2975         strip_mine_profitable_p, is_interchange_valid,
2976         graphite_trans_bb_block, graphite_trans_loop_block,
2977         graphite_trans_scop_block): Temporary removed.
2978         (extend_scattering, unify_scattering_dimensions): New.
2979         (print_scattering_function, graphite_read_transforms):
2980         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2981         (graphite_generate_scattering_fns): Removed.
2982         (apply_poly_transforms): Cleanup.
2983         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2984         (schedule_to_scattering): Moved.
2985         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2986         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2987         (pbb_nb_scattering): New.
2988         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2989         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2990         Removed.
2991         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2992         shift_poly.
2993         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2994         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2995         -> PBB_TRANSFORMED_SCATTERING.
2996         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2997         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2998         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2999         (check_poly_representation): Do not return bool.
3000         (graphite_transform_loops): Reformat.
3001         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3002
3003 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3004
3005         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3006         debug_pbb_domain, debug_pbb, debug_scop): New.
3007         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3008         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3009
3010 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3011
3012         PR middle-end/39335
3013         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3014         when the type precision of the induction variable should be
3015         larger than the type precision of nit.
3016         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3017         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3018         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3019
3020         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
3021         * testsuite/gcc.dg/graphite/pr39335.c: New.
3022
3023 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3026         SSA_NAMES not struct reduction_info.
3027
3028 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3029
3030         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3031
3032 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3033             Tobias Grosser  <grosser@fim.uni-passau.de>
3034
3035         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3036         (free_sese): Free SESE_REDUCTION_LIST.
3037         * sese.h (struct sese): Add field reduction_list.
3038         (SESE_REDUCTION_LIST): New.
3039         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3040         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3041
3042 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3043             Tobias Grosser  <grosser@fim.uni-passau.de>
3044
3045         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3046         of loop_p.
3047
3048 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3049             Tobias Grosser  <grosser@fim.uni-passau.de>
3050
3051         * tree-parloops.c (struct brli, build_reduction_list_info,
3052         analyze_reduction_list, gather_scalar_reductions): New.
3053         (loop_parallel_p): Build a reduction list containing only
3054         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3055         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3056         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3057         * tree-flow.h (gather_scalar_reductions): Declared.
3058
3059 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3060
3061         PR middle-end/39308
3062         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3063         number_of_iterations_exit from a gcc_assert.
3064
3065 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3066             Jan Sjodin  <jan.sjodin@amd.com>
3067
3068         * output.h (graphite_out_file, graphite_in_file): Declared.
3069         * toplev.c (graphite_out_file, graphite_in_file): New.
3070         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3071         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3072         Don't call schedule_to_scattering.
3073         * common.opt (fgraphite-write, fgraphite-read): New.
3074         * graphite-poly.c: Include output.h.
3075         (print_scattering_function, print_scattering_functions,
3076         debug_scattering_function, debug_scattering_functions,
3077         graphite_write_transforms, graphite_read_transforms,
3078         graphite_generate_scattering_fns): New.
3079         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3080         Call graphite_generate_scattering_fns, graphite_write_transforms,
3081         graphite_read_transforms.
3082         (new_poly_bb): Initialize PBB_SCATTERING.
3083         (free_poly_bb): Free PBB_SCATTERING.
3084         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3085         * graphite-poly.h (struct poly_bb): Add field scattering.
3086         (PBB_SCATTERING): New.
3087         (print_scattering_function, print_scattering_functions,
3088         debug_scattering_function, debug_scattering_functions): Declared.
3089         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3090         GMP values, not integers!
3091         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3092         ppl_read_polyhedron_matrix): New.
3093         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3094         debug_ppl_polyhedron_matrix,
3095         ppl_read_polyhedron_matrix): Declared.
3096         * Makefile.in (graphite-poly.o): Depends on output.h.
3097
3098 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3099             Tobias Grosser  <grosser@fim.uni-passau.de>
3100
3101         Revert this change:
3102         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3103         scalar evolutions in the scop_entry->loop_father.
3104
3105 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3106             Tobias Grosser  <grosser@fim.uni-passau.de>
3107
3108         * graphite.h (ref_nb_loops): Remove declaration.
3109         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3110         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3111         debug_gbb): Moved to sese.h.
3112         * sese.h: As said.
3113
3114 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3115             Tobias Grosser  <grosser@fim.uni-passau.de>
3116
3117         * graphite-data-ref.[ch]: Disable.
3118
3119 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3120             Tobias Grosser  <grosser@fim.uni-passau.de>
3121
3122         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3123         scalar evolutions in the scop_entry->loop_father.
3124
3125 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
3128         (graphite_cannot_represent_loop_niter): Renamed
3129         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
3130         (limit_scops): build_sese_loop_nests does not return a bool.
3131         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
3132         * sese.c (nb_reductions_in_loop): ... from here.
3133         (graphite_loop_normal_form): ... from here.
3134         (sese_record_loop): Does not fail, so does not return a bool.
3135         (build_sese_loop_nests): Same.
3136         * sese.h (build_sese_loop_nests): Update declaration.
3137         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
3138         (build_graphite_loop_normal_form): New.
3139         (gloog): Call build_graphite_loop_normal_form.
3140         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
3141         build_sese_loop_nests.
3142
3143         * testsuite/gcc.dg/graphite/id-1.c: New.
3144
3145 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3146             Tobias Grosser  <grosser@fim.uni-passau.de>
3147
3148         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
3149         The SCoP detection fix is sufficient.
3150
3151 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         PR tree-optimization/39260
3154         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
3155         the basic block contains a condition with a real type.
3156         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
3157
3158         * gcc.dg/graphite/pr39260.c: New.
3159
3160 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-poly.c: Inlcude params.h.
3163         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
3164         the size of a tile.
3165         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
3166         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
3167
3168 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3169             Tobias Grosser  <grosser@fim.uni-passau.de>
3170
3171         * graphite-scop-detection.c (dot_all_scops_1,
3172         dot_all_scops): Moved here.
3173         * graphite-scop-detection.h (dot_all_scops): Declared here.
3174         * graphite.c (graphite_initialize, graphite_finalize): New.
3175         (graphite_transform_loops): Cleaned up.
3176         * sese.c (debug_oldivs): Moved here.
3177         * graphite-poly.c (graphite_apply_transformations): Renamed
3178         apply_poly_transforms.
3179         (debug_loop_vec): Moved here.
3180         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
3181         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
3182         find_scop_parameters, build_scop_iteration_domain,
3183         add_conditions_to_constraints, build_scop_canonical_schedules,
3184         build_scop_data_accesses): Now static.
3185         (build_poly_scop, check_poly_representation): New.
3186
3187 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3188
3189         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
3190         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
3191         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
3192         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
3193         scan_tree_for_params_right_scev, scan_tree_for_params_int,
3194         scan_tree_for_params, struct irp_data, dx_record_params,
3195         find_params_in_bb, find_scop_parameters, gbb_from_bb,
3196         build_loop_iteration_domains, add_conditions_to_domain,
3197         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
3198         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
3199         build_sese_conditions, add_conditions_to_constraints,
3200         build_scop_iteration_domain, build_access_matrix_with_af,
3201         build_access_matrix,
3202         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
3203
3204         * graphite-sese-to-poly.c: New.
3205         * graphite-sese-to-poly.h: New.
3206
3207         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
3208
3209 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3210
3211         * graphite.c: Split graphite code generation to a new file.
3212         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
3213         max_precision_type, clast_to_gcc_expression_red,
3214         clast_to_gcc_expression, gcc_type_for_clast_expr,
3215         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
3216         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
3217         graphite_create_new_guard, clast_get_body_of_loop,
3218         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
3219         graphite_create_new_loop, build_iv_mapping, copy_renames,
3220         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3221         compute_cloog_iv_types, free_scattering, save_var_name,
3222         initialize_cloog_names, build_scop_context, build_cloog_prog,
3223         set_cloog_options, debug_clast_stmt, scop_to_clast,
3224         print_generated_program, debug_generated_program,
3225         gloog): Moved to graphite-clast-to-gimple.c.
3226
3227         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
3228
3229         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
3230         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
3231         loop_iv_stack_pop, loop_iv_stack_get_iv,
3232         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
3233         free_loop_iv_stack, loop_iv_stack_remove_constants,
3234         debug_rename_elt, debug_rename_map_1, debug_rename_map,
3235         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
3236         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
3237         eq_ivtype_map_elts, sese_add_exit_phis_edge,
3238         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
3239         get_vdef_before_sese, sese_adjust_vphi,
3240         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
3241         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
3242         is_iv, expand_scalar_variables_ssa_name,
3243         expand_scalar_variables_expr, expand_scalar_variables_stmt,
3244         expand_scalar_variables, rename_variables, remove_condition,
3245         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
3246         add_loop_exit_phis, insert_loop_close_phis, struct igp,
3247         default_liveout_before_guard, add_guard_exit_phis,
3248         insert_guard_phis, register_old_and_new_names,
3249         graphite_copy_stmts_from_block, register_sese_liveout_renames,
3250         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
3251         if_region_set_false_region, create_if_region_on_edge,
3252         move_sese_in_condition): Moved to sese.c.
3253
3254         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
3255         if_region_exit, if_region_get_condition_block,
3256         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
3257         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
3258         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
3259         ivtype_map_elt, new_ivtype_map_elt,
3260         recompute_all_dominators): Moved to sese.h.
3261
3262         * graphite-clast-to-gimple.c: New.
3263         * graphite-clast-to-gimple.h: New.
3264         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
3265         * sese.c: Modified as said above.
3266         * sese.h: Same.
3267
3268 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
3269
3270         * graphite.c: Split scop detection to a new file.
3271         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3272         move_sd_regions, loop_affine_expr, exclude_component_ref,
3273         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3274         graphite_cannot_represent_loop_niter, struct scopdet_info,
3275         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3276         find_single_entry_edge, find_single_exit_edge,
3277         create_single_entry_edge, sd_region_without_exit,
3278         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3279         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3280         Moved to graphite-scop-detection.c.
3281
3282         * graphite-scop-detection.c: New.
3283         * graphite-scop-detection.h: New.
3284         * Makefile.in: Add new rule for graphite-scop-detection.o.
3285
3286         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3287         tree-scalar-evolution.h.
3288         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3289         build_sese_loop_nests): Moved here from graphite.c.
3290         (param_index): Renamed parameter_index_in_region.
3291
3292 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3293             Sebastian Pop  <sebastian.pop@amd.com>
3294
3295         * gcc.dg/graphite/block-0.c: Expected to fail now.
3296         * gcc.dg/graphite/block-1.c: Same.
3297         * gcc.dg/graphite/block-5.c: Same.
3298         * gcc.dg/graphite/block-6.c: Same.
3299
3300 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3301             Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         * graphite.h: Separate from graphite_bb_p the polyhedral
3304         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3305         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3306         graphite-data-ref.h.
3307         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3308         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3309         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3310         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3311         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3312         scop_nb_params): Moved to graphite-poly.h.
3313         * graphite-data-ref.c: Same.
3314         * graphite-data-ref.h: New.
3315         * graphite.c: Same.
3316         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3317         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3318         is_interchange_valid, graphite_trans_bb_block,
3319         graphite_trans_loop_block, scop_max_loop_depth,
3320         graphite_trans_scop_block, graphite_apply_transformations,
3321         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3322         graphite-poly.c.
3323         * graphite-poly.h: New.
3324         * graphite-poly.c: New.
3325         * Makefile.in (OBJS-common): Add graphite-poly.o.
3326         (graphite-poly.o): New rule.
3327         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3328         (DR_SCOP): Removed.
3329
3330 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3331             Tobias Grosser  <grosser@fim.uni-passau.de>
3332
3333         * graphite.c: Replace gb -> gbb.
3334         * graphite.h: Same.
3335         * graphite-data-ref.c: Same.
3336
3337 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3338             Tobias Grosser  <grosser@fim.uni-passau.de>
3339
3340         * Makefile.in (OBJS-commmon): Add sese.o.
3341         (sese.o): New.
3342         (graphite.o): Add sese.h.
3343         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3344         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3345         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3346         Move to sese.
3347         (block_before_scop): Add missing return.
3348         (new_scop, free_scop): Remove SESE data structures.
3349         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3350         find_scop_parameters, build_loop_iteration_domains,
3351         add_conditions_to_domain, register_scop_liveout_renames,
3352         copy_bb_and_scalar_dependences): Scop -> SESE.
3353
3354         (add_conditions_to_domain): SCoP -> SESE and remove check
3355         (scop_contains_non_iv_scalar_phi_nodes): New.
3356         (build_scop_conditions_1, build_scop_conditions): Remove check for
3357         non iv scalar phi nodes.
3358         (print_scop_statistics): New.
3359         (graphite_transform_loops): Cleanup.
3360
3361         * graphite.h: Move to sese & cleanup.
3362         * sese.c: New.
3363         * sese.h: New.
3364
3365 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3366             Tobias Grosser  <grosser@fim.uni-passau.de>
3367
3368         * graphite.c (build_scop_conditions_1): Conditions are only
3369         at the end of a basic block.
3370
3371 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3372             Tobias Grosser  <grosser@fim.uni-passau>
3373
3374         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3375         field.
3376         (GBB_ALPHA): Removed.
3377
3378 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3379             Tobias Grosser  <grosser@fim.uni-passau.de>
3380
3381         * graphite-data-ref.c (graphite_test_dependence): Don't use
3382         GBB_DYNAMIC_SCHEDULE.
3383         * graphite.c (new_graphite_bb): Same.
3384         (free_graphite_bb): Same.
3385         (build_scop_dynamic_schedules): Removed.
3386         (graphite_transform_loops): Don't call it.
3387         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3388         (GBB_DYNAMIC_SCHEDULE): Removed.
3389
3390 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3391             Tobias Grosser  <grosser@fim.uni-passau.de>
3392
3393         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3394         (print_graphite_bb): Same.
3395         (build_cloog_prog): Same.
3396
3397 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3398             Tobias Grosser  <grosser@fim.uni-passau.de>
3399
3400         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3401
3402 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3403             Tobias Grosser  <grosser@fim.uni-passau.de>
3404
3405         * graphite.c (build_scop_context): Don't use CloogMatrix.
3406         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3407         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3408
3409 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3410             Tobias Grosser  <grosser@fim.uni-passau.de>
3411
3412         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3413         liveout_renames, add_params fields...
3414         (struct sese): ... here.
3415         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3416         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3417
3418 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3419             Tobias Grosser  <grosser@fim.uni-passau.de>
3420
3421         * graphite.c (print_scop): Do not print the CLooG program.
3422         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3423         build_cloog_prog, gloog): Don't use SCOP_PROG.
3424         (find_transform): Renamed scop_to_clast.
3425         (print_generated_program, debug_generated_program): New.
3426         (graphite_transform_loops): Adapt to new interface.
3427         * graphite.h (struct scop): Remove program field.
3428         (SCOP_PROG): Removed.
3429         (print_generated_program, debug_generated_program): Declared.
3430
3431 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3432
3433         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3434         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3435         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3436         free_graphite_bb, build_scop_canonical_schedules,
3437         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3438         schedules are now represented using a ppl_Linear_Expression_t.
3439         * graphite.h (struct graphite_bb): Same.
3440         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3441         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3442
3443 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3444
3445         * graphite.c: Free local memory.
3446         * graphite-ppl.c: Same.
3447
3448 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3449
3450         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3451         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3452         swap_constraint_variables, scale_constraint_variable): Removed.
3453         (graphite_trans_bb_strip_mine): Remove pong.
3454         * graphite-ppl.c: Include missing header files.
3455         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3456         * graphite-ppl.h (ppl_strip_loop): Declared.
3457         * Makefile.in (graphite-ppl.o): Adjust dependences.
3458
3459 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3460
3461         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3462         (build_scop_iteration_domain): Same.
3463
3464 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3467         ping pong.
3468         (add_value_to_dim, scan_tree_for_params_right_scev,
3469         scan_tree_for_params_int): New.
3470         * graphite-ppl.c (oppose_constraint): New.
3471         (insert_constraint_into_matrix): Implement missing cases.
3472         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3473
3474 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3475
3476         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3477         use ppl_move_dimension.
3478
3479 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3480
3481         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3482         * graphite.c: Same.
3483         * graphite.h: Same.
3484         * graphite-ppl.c: Same.
3485         * graphite-ppl.h: Same.
3486
3487 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         Revert last 3 commits.
3490
3491 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3492
3493         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3494         ping pong.
3495         (add_value_to_dim, scan_tree_for_params_right_scev,
3496         scan_tree_for_params_int): New.
3497         * graphite-ppl.c (oppose_constraint): New.
3498         (insert_constraint_into_matrix): Implement missing cases.
3499         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3500
3501 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3504
3505 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3506             Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3509         use ppl_move_dimension.
3510         * graphite-ppl.c (ppl_move_dimension): New.
3511         * graphite-ppl.h (ppl_move_dimension): Declared.
3512
3513 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3514
3515         * graphite.c: Do not include cloog/cloog.h.
3516         (print_graphite_bb): Remove ping pong, call PPL print function.
3517
3518 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3519
3520         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3521         (graphite.o): Add dependence on graphite-ppl.h.
3522         (graphite-ppl.o): New.
3523         (graphite-data-ref.c): Ping pong between PPL data structures
3524         and matrices.
3525         * graphite-ppl.c: New.
3526         * graphite-ppl.h: New.
3527         * graphite.c: Include graphite-ppl.h.
3528         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3529         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3530         Ping pong between PPL data structures and matrices.
3531         (new_graphite_bb): Create a PPL constraint system.
3532         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3533         (build_loop_iteration_domains): Use PPL functions.
3534         * graphite.h: Include graphite-ppl.h.  Fix comments.
3535         (graphite_bb): Use a ppl_Constraint_System_t instead of
3536         CloogMatrix for representing the domain.
3537         (scop): Remove static_schedule.
3538         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3539
3540 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         * graphite.c: Fix some comments.
3543
3544 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         PR middle-end/38953
3547         * graphite.c (if_region_set_false_region): After moving a region
3548         in the false branch of a condition, remove the empty dummy
3549         basic block.
3550         (gloog): Remove wrong fix for PR38953.
3551
3552 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3553
3554         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3555         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3556         register_bb_in_sese, new_sese, free_sese): Moved.
3557         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3558         outermost_loop_in_scop, build_scop_iteration_domain,
3559         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3560         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3561         Use loop_in_sese_p instead of loop_in_scop_p.
3562         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3563         (free_scop): Do not free SCOP_BBS_B.
3564         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3565         ref_nb_loops): Moved here...
3566         * graphite.h (ref_nb_loops): ... from here.
3567         (struct scop): Remove bbs_b bitmap.
3568         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3569         * testsuite/gcc.dg/graphite/scop-19.c: New
3570
3571 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3572
3573         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3574         detection.
3575
3576 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3577
3578         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3579         eq_loop_to_cloog_loop): Remove.
3580         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3581         * graphite.h (struct scop): Remove loop2cloog_loop.
3582         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3583
3584 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3585
3586         * opts.c (decode_options): Only add graphite options to O2
3587         if we compile with graphite enabled.
3588
3589 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3590
3591         * Merge from mainline (r143163:143684).
3592
3593 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3594
3595         * graphite.c (debug_value): Removed.
3596         * graphite.h (debug_value): Removed.
3597
3598 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3599
3600         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3601         after graphite: pass_copy_prop does not maintain a proper loop closed
3602         SSA form.  pass_copy_prop should be fixed.
3603
3604 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3605
3606         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3607
3608 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3609
3610         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3611         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3612         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3613         changed the CFG.
3614
3615 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3616
3617         * graphite.c (gloog): Return true when code gen succeeded.
3618         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3619         the code of the function did not changed.  After cleanup_tree_cfg
3620         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3621         form.
3622
3623 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3624
3625         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3626         gimple_call_lhs is NULL.
3627
3628 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3629             Tobias Grosser  <tobi.grosser@amd.com>
3630
3631         * graphite.c (graphite_trans_scop_block): Do not block single
3632         nested loops.
3633
3634 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3635             Tobias Grosser  <tobi.grosser@amd.com>
3636
3637         * graphite.c (build_scop_canonical_schedules): Start schedules at
3638         zero.
3639
3640 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3641             Tobias Grosser  <tobi.grosser@amd.com>
3642
3643         * graphite.c (compare_prefix_loops): New.
3644         (build_scop_canonical_schedules): Rewritten.
3645         (graphite_transform_loops): Move build_scop_canonical_schedules
3646         after build_scop_iteration_domain.
3647
3648 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3649             Tobias Grosser  <tobi.grosser@amd.com>
3650
3651         * graphite.c (add_conditions_to_domain): Add the loops to
3652         the dimension of the iteration domain.  Do copy the domain
3653         only when it exists.
3654         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3655         (add_conditions_to_constraints): New.
3656         (can_generate_code_stmt, can_generate_code): Removed.
3657         (gloog): Do not call can_generate_code.
3658         (graphite_transform_loops): Call add_conditions_to_constraints
3659         after building the iteration domain.
3660
3661 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3662             Tobias Grosser  <tobi.grosser@amd.com>
3663             Jan Sjodin  <jan.sjodin@amd.com>
3664
3665         * graphite.c (scan_tree_for_params): On substractions negate
3666         all the coefficients of the term.
3667         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3668         of more than two operands.
3669         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3670         (get_vdef_before_scop): Handle also the case of default definitions.
3671
3672 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3673
3674         PR middle-end/38431
3675         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3676         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3677         (gloog): Do not call cleanup_tree_cfg.
3678         (graphite_transform_loops): Call cleanup_tree_cfg after all
3679         scops have been code generated.
3680
3681 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         * passes.c (init_optimization_passes): Schedule after
3684         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3685
3686 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3689         Fix comment.
3690         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3691         Set the type of an expression to the type of its assign statement.
3692         (expand_scalar_variables_expr):  Do not pass loop_p.
3693         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3694         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3695         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3696
3697 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3698
3699         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3700         an expression to the gimple_expr_type of its assign statement.
3701         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3702         or tcc_declaration.
3703
3704 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3705
3706         PR tree-optimization/38786
3707         * testsuite/gcc.dg/graphite/pr38786.c: New.
3708         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3709         the SSA_NAME case of expand_scalar_variables_expr.
3710         (expand_scalar_variables_expr): Also gather the scalar computation
3711         used to index the memory access.
3712         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3713         the gimple_stmt_iterator where it inserts new code.
3714
3715 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3716
3717         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3718
3719 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3720
3721         * opts.c (decode_options): Enable flag_graphite_identity and
3722         flag_loop_block in -O2 and above.
3723
3724 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3725
3726         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3727         Fix merge problem: replace with the file from trunk.
3728
3729 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         * Merge from mainline (r141727:143163).
3732
3733 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3734             Jan Sjodin  <jan.sjodin@amd.com>
3735
3736         PR tree-optimization/38559
3737         * testsuite/gcc.dg/graphite/pr38559.c: New.
3738
3739         * graphite.c (debug_value, copy_constraint,
3740         swap_constraint_variables, scale_constraint_variable, ): New.
3741         (get_lower_bound, get_upper_bound): Removed.
3742         (graphite_trans_bb_strip_mine): Clean up this code that works
3743         only for constant number of iterations.  Fully copy upper and
3744         lower bound constraints, not only the constant part of them.
3745         * graphite.h (debug_value): Declared.
3746
3747 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3748
3749         PR tree-optimization/38492
3750         PR tree-optimization/38498
3751         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3752         * tree-chrec.h (scev_is_linear_expression): Declared.
3753         * graphite.c (graphite_cannot_represent_loop_niter): New.
3754         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3755         (graphite_loop_normal_form): Use gcc_assert.
3756         (scan_tree_for_params): Use CASE_CONVERT.
3757         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3758         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3759         Use gcc_assert.  Discard scops that contain unhandled cases.
3760         (build_scop_conditions): Return a boolean status for unhandled cases.
3761         (strip_mine_profitable_p): Print the loop number, not its depth.
3762         (is_interchange_valid): Pass the depth of the loop nest, don't
3763         recompute it wrongly.
3764         (graphite_trans_bb_block): Same.
3765         (graphite_trans_bb_block): Print tentative of loop blocking.
3766         (graphite_trans_scop_block): Do not print that the loop has been
3767         blocked.
3768         (graphite_transform_loops): Do not handle scops that contain condition
3769         scalar phi nodes.
3770
3771         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3772         in trunk.
3773         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3774         * testsuite/gcc.dg/graphite/block-1.c: Same.
3775         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3776         blocking.
3777         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3778         * testsuite/gcc.dg/graphite/block-3.c: New.
3779         * testsuite/gcc.dg/graphite/pr38498.c: New.
3780
3781 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3782
3783         PR tree-optimization/38510
3784         * gcc.dg/graphite/pr38510.c: New.
3785         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3786           (translate_clast): Call recompute_all_dominators before
3787           graphite_verify.
3788           (gloog): Call recompute_all_dominators before graphite_verify.
3789
3790 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         PR tree-optimization/38492
3793         * graphite.c (rename_map_elt, debug_rename_elt,
3794         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3795         rename_map_elt_info, eq_rename_map_elts,
3796         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3797         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3798         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3799         (sese_build_livein_liveouts): New.
3800         (new_sese, free_sese): New.
3801         (new_scop): Call new_sese.
3802         (free_scop): Call free_sese.
3803         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3804         (register_old_new_names): Renamed register_old_and_new_names.
3805         (register_scop_liveout_renames, add_loop_exit_phis,
3806         insert_loop_close_phis, struct igp,
3807         default_liveout_before_guard, add_guard_exit_phis,
3808         insert_guard_phis, copy_renames): New.
3809         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3810         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3811         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3812         (scop_adjust_phis_for_liveouts): New.
3813         (gloog): Call scop_adjust_phis_for_liveouts.
3814
3815         * graphite.h (struct sese): Documented.  Added fields liveout,
3816         num_ver and livein.
3817         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3818         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3819         (struct scop): Added field liveout_renames.
3820         (SCOP_LIVEOUT_RENAMES): New.
3821
3822 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3823
3824         PR tree-optimization/38409
3825         * gcc.dg/graphite/pr38409.c: New.
3826         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3827
3828 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3829
3830         * graphite.c (gcc_type_for_cloog_iv): By default return
3831         integer_type_node.
3832         (graphite_create_new_loop): Don't fold_convert the already
3833         fold_convert-ed expression.
3834
3835 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3836
3837         PR tree-optimization/38446
3838         * gcc.dg/graphite/pr38446.c: New.
3839         * graphite.c (register_bb_in_sese): New.
3840         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3841         looking at the bbs in the region.
3842         * graphite.h (sese): Add region_basic_blocks pointer set to
3843         structure and initialize at the time of defining new scop.
3844
3845 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3846
3847         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3848         (find_params_in_bb): Do not free data refs.
3849         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3850
3851 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3852
3853         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3854         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3855         * testsuite/gcc.dg/graphite/block-5.c: New.
3856         * testsuite/gcc.dg/graphite/block-6.c: New.
3857         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3858         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3859         * testsuite/gcc.dg/graphite/block-2.c: Same.
3860
3861         * graphite.c (struct ivtype_map_elt): New.
3862         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3863         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3864         gcc_type_for_cloog_iv): New.
3865         (loop_iv_stack_patch_for_consts): Use the type of the induction
3866         variable from the original loop, except for the automatically
3867         generated loops, i.e., in the case of a strip-mined loop, in
3868         which case there is no original loop: in that case just use
3869         integer_type_node.
3870         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3871         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3872         (clast_name_to_gcc): Accept params to be NULL.
3873         (clast_to_gcc_expression): Take an extra parameter for the type.
3874         Convert to that type all the expressions built by this function.
3875         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3876         (graphite_translate_clast_equation): Compute the type of the
3877         clast_equation before translating its LHS and RHS.
3878         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3879         (graphite_create_new_loop): Compute the type of the induction
3880         variable before translating the lower and upper bounds and before
3881         creating the induction variable.
3882         (rename_variables_from_edge, rename_phis_end_scop): New.
3883         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3884         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3885         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3886         compute_cloog_iv_types): New.
3887         (gloog): Call compute_cloog_iv_types before starting the
3888         translation of the clast.
3889
3890         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3891         (GBB_CLOOG_IV_TYPES): New.
3892         (debug_ivtype_map): Declared.
3893         (oldiv_for_loop): New.
3894
3895 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3896
3897         PR middle-end/38459
3898         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3899         (param_index): Assert if parameter is not know after parameter
3900         detection.
3901         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3902         (find_scop_parameters): Mark, that we have finished parameter
3903         detection.
3904         (graphite_transform_loops): Move condition detection before parameter
3905         detection.
3906         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3907         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3908
3909 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3910
3911         * graphite.c (graphite_transform_loops): Always call find_transform ()
3912         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3913         generate code.
3914
3915 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3916
3917         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3918         (print_scop): Ditto.
3919
3920 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3921
3922         PR middle-end/38084
3923         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3924         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3925         regions more than once.
3926
3927 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3930         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3931         when not needed.
3932
3933 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3934
3935         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3936         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3937         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3938         (max_precision_type): New.
3939         (value_clas