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_clast): Removed.
3940         (clast_to_gcc_expression): Be more careful to types of expressions.
3941         Use max_precision_type and update use of gmp_cst_to_tree.
3942         (graphite_translate_clast_equation): Use max_precision_type.
3943         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3944         use the type of the condition.
3945         (graphite_create_new_loop): Do not use integer_type_node, use the
3946         max_precision_type of lb and ub.
3947
3948 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         * graphite.c (build_scops_1): Initialize open_scop.exit
3951         and sinfo.last.
3952
3953 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3954
3955         * testsuite/gcc.dg/graphite/pr38084.c: New.
3956         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3957         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3958         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3959         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3960         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3961
3962 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3963             Jan Sjodin  <jan.sjodin@amd.com>
3964             Harsha Jagasia  <harsha.jagasia@amd.com>
3965
3966         PR middle-end/37852
3967         PR middle-end/37883
3968         PR middle-end/37928
3969         PR middle-end/37980
3970         PR middle-end/38038
3971         PR middle-end/38039
3972         PR middle-end/38073
3973         PR middle-end/38083
3974         PR middle-end/38125
3975
3976         * testsuite/gcc.dg/graphite/pr38073.c: New.
3977         * testsuite/gcc.dg/graphite/pr37928.c: New.
3978         * testsuite/gcc.dg/graphite/pr37883.c: New.
3979         * testsuite/gcc.dg/graphite/pr38125.c: New.
3980         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3981         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3982         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3983
3984         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3985         the number of detected scops.  Copy exact same test for loop
3986         blocking...
3987         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3988         loops to be blocked as reductions are not handled.
3989         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3990
3991         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3992         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3993         ...here.
3994         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3995         * Makefile.in (graphite.o): Depend on value-prof.h.
3996         (graphite.o-warn): Removed -Wno-error.
3997         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3998         to be a NULL pointer.  Call update_stmt.  Return the newly created
3999         cannonical induction variable.
4000
4001         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4002
4003         * graphite.c: Reimplement the code generation from graphite to gimple.
4004         Include value-prof.h.
4005         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4006         (get_old_iv_from_ssa_name): Removed.
4007         (graphite_stmt_p): New.
4008         (new_graphite_bb): Test for useful statements before building a
4009         graphite statement for the basic block.
4010         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4011         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4012         reason.
4013         (recompute_all_dominators, graphite_verify,
4014         nb_reductions_in_loop, graphite_loop_normal_form): New.
4015         (scop_record_loop): Call graphite_loop_normal_form.
4016         (build_scop_loop_nests): Iterate over all the blocks of the
4017         function instead of relying on the incomplete information from
4018         SCOP_BBS.  Return the success of the operation.
4019         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4020         (add_bb_domains): Removed.
4021         (build_loop_iteration_domains): Don't call add_bb_domains.
4022         Add the iteration domain only to the basic blocks that have been
4023         translated to graphite.
4024         (build_scop_conditions_1): Add constraints only if the basic
4025         block have been translated to graphite.
4026         (build_scop_data_accesses): Completely disabled until data
4027         dependence is correctly implemented.
4028         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4029         (remove_all_edges_1, remove_all_edges): Removed.
4030         (get_new_name_from_old_name): New.
4031         (graphite_rename_variables_in_stmt): Renamed
4032         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4033         Use replace_exp and update_stmt.
4034         (is_old_iv): Renamed is_iv.
4035         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4036         Use replace_exp and update_stmt.
4037         (expand_scalar_variables_expr): Same.  Use the map to get the
4038         new names for the renaming of induction variables and for the
4039         renaming of variables after a basic block has been copied.
4040         (expand_scalar_variables): Same.
4041         (graphite_rename_variables): Renamed rename_variables.
4042         (move_phi_nodes): Removed.
4043         (get_false_edge_from_guard_bb): New.
4044         (build_iv_mapping): Do not insert the induction variable of a
4045         loop in the renaming iv map if the basic block does not belong
4046         to that loop.
4047         (register_old_new_names, graphite_copy_stmts_from_block,
4048         copy_bb_and_scalar_dependences): New.
4049         (translate_clast): Heavily reimplemented: copy basic blocks,
4050         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4051         At each translation step call graphite_verify ensuring the
4052         consistency of the SSA, loops and dominators information.
4053         (collect_virtual_phis, find_vdef_for_var_in_bb,
4054         find_vdef_for_var_1, find_vdef_for_var,
4055         patch_phis_for_virtual_defs): Removed huge hack.
4056         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4057         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4058         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4059         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4060         if_region_get_condition_block, if_region_set_false_region,
4061         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4062         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4063         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4064         rewrite_into_sese_closed_ssa): New.
4065         (gloog): Remove dead code.  Early return if code cannot be
4066         generated.  Call cleanup_tree_cfg once the scop has been code
4067         generated.
4068         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4069         block loops with less than two loops.
4070         (graphite_apply_transformations): Remove the call to
4071         scop_remove_ignoreable_gbbs.
4072         (limit_scops): When build_scop_loop_nests fails, continue on
4073         the next scop.  Fix open_scop.entry.
4074         (graphite_transform_loops): Call recompute_all_dominators: force the
4075         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4076         Call initialize_original_copy_tables and free_original_copy_tables
4077         to be able to copy basic blocks during code generation.
4078         When build_scop_loop_nests fails, continue on next scop.
4079         (value_clast): New union.
4080         (clast_to_gcc_expression): Fix type cast warning.
4081
4082 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * Merge from mainline (r140838:141727).
4085
4086 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4087
4088         PR middle-end/37833
4089
4090         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4091
4092 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4093
4094         PR middle-end/37943
4095
4096         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4097         exits and conditions.
4098         * testsuite/gcc.dg/graphite/pr37943.c: New.
4099
4100 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4101
4102         PR middle-end/37886
4103         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4104
4105 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4106
4107         * doc/invoke.texi: Fix spaces.
4108
4109 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4110
4111         PR tree-optimization/37891
4112         Reverted last commit.
4113         * graphite.c (create_single_entry_edge): Set
4114         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4115
4116 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4117             Mitul Thakkar  <mitul.thakkar@amd.com>
4118
4119         * graphite.c (create_single_entry_edge): Set
4120         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4121
4122 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4123
4124         * doc/invoke.texi: Add -fgraphite-identity.
4125         * graphite.c (graphite_apply_transformations): Check for
4126         -fgraphite-identity.
4127         * toplev.c (process_options): Add flag_graphite_identity.
4128         * tree-ssa-loop.c: Add flag_graphite_identity.
4129
4130 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4131
4132         Undo changes from 2008-10-02:
4133         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4134         operand type when copying the operand to a variable of different type.
4135         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4136         with the IV name after increment.
4137
4138 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
4139             Harsha Jagasia  <harsha.jagasia@amd.com>
4140
4141         PR tree-optimization/37828
4142         * testsuite/gcc.dg/graphite/pr37828.c: New.
4143         * graphite.c (graphite_trans_loop_block): Do not loop block
4144         single nested loops.
4145
4146 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
4147             Sebastian Pop  <sebastian.pop@amd.com>
4148
4149         * graphite.c (struct rename_map_elt, new_rename_map_elt,
4150         rename_map_elt_info, eq_rename_map_elts): New.
4151         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
4152         (expand_scalar_variables_expr): Change parameters.
4153         (expand_scalar_variables_stmt): Same.
4154         (expand_scalar_variables): Same.
4155         (graphite_rename_ivs): Rename graphite_rename_variables.
4156         (build_iv_mapping): New.
4157         (translate_clast): Call build_iv_mapping.
4158         * graphite.h (gbb_p): New name.
4159
4160 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
4161
4162         PR tree-optimization/37684
4163         * gcc.dg/graphite/pr37684.c: New.
4164         * graphite.c (exclude_component_ref): New.
4165         (is_simple_operand): Call exclude_component_ref.
4166
4167 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
4168             Harsha Jagasia  <harsha.jagasia@amd.com>
4169
4170         PR tree-optimization/37485
4171         * gcc.dg/graphite/block-2.c: New
4172         * graphite.c (gmp_cst_to_tree): Moved.
4173         (iv_stack_entry_is_constant): New.
4174         (iv_stack_entry_is_iv): New.
4175         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
4176         (loop_iv_stack_insert_constant): New.
4177         (loop_iv_stack_pop): Use new datatpype.
4178         (loop_iv_stack_get_iv): Same.
4179         (loop_iv_stack_get_iv_from_name): Same.
4180         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
4181         (loop_iv_stack_patch_for_consts): New.
4182         (loop_iv_stack_remove_constants): New.
4183         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
4184         (translate_clast): Call loop_iv_stack_patch_for_consts and
4185         loop_iv_stack_remove_constants.
4186         (gloog): Use new datatype.  Redirect construction edge to end
4187         block to avoid accidental deletion.
4188         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
4189         iv stack entry.
4190         (union iv_stack_entry_data): New.  Data in iv stack entry.
4191         (struct iv_stack_entry): New.  Datatype for iv stack entries.
4192
4193 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4194
4195         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
4196         operand type when copying the operand to a variable of different type.
4197
4198 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4199
4200         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
4201         with the IV name after increment.
4202
4203 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
4204
4205         * Merge from mainline (r140164:140838).
4206
4207 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4208
4209         * graphite-data-ref.c: New.
4210         * graphite.c (print_scop): Also dump the dependence graph.
4211         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
4212         (new_scop): Initialize SCOP_DEP_GRAPH.
4213         (build_scop_dynamic_schedules): New.
4214         (build_access_matrix_with_af): Fixed column numbering.
4215         (graphite_transform_loops): Call build_scop_dynamic_schedules.
4216         * graphite.h: Add ifndef/define guards against multiple inclusion.
4217         (struct scop): Add dep_graph field.
4218         (SCOP_DEP_GRAPH): Defined.
4219         (ref_nb_loops): Fixed and moved to other position.
4220         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
4221         (nb_loops_around_loop_in_scop): New.
4222         (graphite_dump_dependence_graph): Declared.
4223         (graphite_build_rdg_all_levels): Declared.
4224         (graphite_test_dependence): Declared.
4225         * Makefile.in (graphite-data-ref.o): New target.
4226
4227 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
4228
4229         * Merge from mainline (139870:140164).
4230
4231 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4232
4233         * Merge from mainline (138275:139870).
4234         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
4235         the commits from trunk broke the niter detection.
4236
4237 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
4238
4239         * graphite.c: Add more documentation.  Fix formatting.
4240         (debug_loop_vec, debug_oldivs, loop_iv_stack,
4241         loop_iv_stack_debug): Moved...
4242         (schedule_to_scattering): Move before use.
4243         (dot_all_scops): Include in "#if 0" the code for system
4244         call dotty.
4245
4246         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
4247         loop_iv_stack_debug): ...here.
4248
4249 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
4250
4251         * tree-phinodes.c (make_phi_node): Extern.
4252         (add_phi_node_to_bb): New.
4253         (create_phi_node): Call add_phi_node_to_bb.
4254         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
4255         (remove_statement): Handle case where stored phi was updated
4256         and is no longer the same.
4257         * graphite.c (is_parameter): New.
4258         (is_old_iv): New.
4259         (expand_scalar_variables_expr): New.
4260         (expand_scalar_variables_stmt): New.
4261         (expand_scalar_variables): New.
4262         (move_phi_nodes): Create new phi instead of moving old one.
4263         (translate_clast): Call expand_scalar_variables.
4264         (find_vdef_for_var_in_bb): Also scan regular definitions.
4265         (skip_phi_defs): New.
4266         (collect_scop_exit_phi_args): New.
4267         (patch_scop_exit_phi_args): New.
4268         (gloog): Patch phis after scop.
4269         * tree-flow.h: (add_phi_node_to_bb): Declared.
4270         (make_phi_node): Declared.
4271
4272 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4273
4274         * graphite.c (end_scop): Split the entry of the scop when it
4275         is the header of the loop in which the scop is ending.
4276         (build_scops_1, limit_scops): Update uses of end_scop.
4277
4278 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
4279
4280         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
4281         SCOP_ENTRY or SCOP_EXIT.
4282
4283 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4284
4285         * graphite.c (get_construction_edge): Removed.
4286         (gloog): Construction edge is the scop entry edge.
4287
4288 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4289
4290         * graphite.c (can_generate_for_scop): Removed.
4291         (gloog): Do not call it.
4292
4293 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4294
4295         * graphite.c (new_scop): Entry of a scop is an edge.
4296         Initialize SESE region.
4297         (free_scop): Free SESE region.
4298         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4299         (split_difficult_bb): New, split from end_scop.
4300         (end_scop): Exit of a scop is an edge.
4301         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4302         not automatically updated and thus is always wrong.
4303         * graphite.h (struct sese): New.
4304         (SESE_ENTRY): New.
4305         (SESE_EXIT): New.
4306         (struct scop): New field for a SESE region.  Remove entry, exit.
4307         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4308         semantics as before.  Moved comment around.
4309
4310 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4311             Sebastian Pop  <sebastian.pop@amd.com>
4312
4313         * graphite.c (graphite_transform_loops): Always enable gloog
4314         and find_transform when ENABLE_CHECKING.
4315
4316 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4317
4318         * graphite.c (graphite_transform_loops): Move pretty printer
4319         of SCOPs before doing any transform.  Remove call to print_scops
4320         and dot_all_scops_1.
4321
4322 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4323
4324         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4325         (print_graphite_bb): Same.
4326
4327 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4328
4329         * graphite.c (dot_all_scops_1): Cleanup.
4330         (move_scops): Fix comment.
4331
4332 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4333
4334         * graphite.c (build_scop_bbs): Revert commit 139355:
4335
4336         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4337                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4338
4339                 * graphite.c (build_scop_bbs): Factor up code.
4340
4341 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4342
4343         * graphite.c (gloog): Update dominator info.
4344
4345 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4346
4347         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4348
4349 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4350
4351         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4352         initialization.
4353         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4354         (translate_clast): Correct formatting.
4355         * graphite.h (struct num_map): Removed.
4356         (struct graphite_bb): Remove num_map field.
4357         (GBB_INDEX_TO_NUM_MAP): Removed.
4358
4359 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * graphite.c (build_access_matrix_with_af): Fix comments.
4362         (build_scop_data_accesses): Same.
4363
4364 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         * graphite.c (build_scop_data_accesses): Don't construct
4367         access matrices.  Add a FIXME and an assert condition that
4368         should pass when the access matrices will be needed.
4369
4370 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4371
4372         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4373         really_constant_p.
4374         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4375         Moved close by free_graphite_bb.
4376         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4377         (new_scop): Move close by free_scop.
4378         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4379
4380 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4381
4382         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4383         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4384         instead of recursive call.
4385         (graphite_translate_clast_equation): New.
4386         (graphite_create_guard_cond_expr): New.
4387         (graphite_create_new_guard): New.
4388         (get_stack_index_from_iv): Removed.
4389         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4390         (get_true_edge_from_guard_bb): New.
4391         (translate_clast): Handle stmt_guard in clast.
4392         (get_construction_edge): Allow construction edge detection for
4393         a scope entry with multiple predecessors if one predecessor is
4394         the immediate dominator of scope entry.
4395         (can_generate_code_stmt): Enable code generation for clast_guard.
4396         (gloog): Use correct context loop.  Removed check for post dominators.
4397         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4398
4399 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4400
4401         * graphite.c (remove_dead_loops): Document better which
4402         loops are removed.
4403
4404 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4405
4406         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4407         and PPLINC.
4408         (graphite.o): Also depends on pointer-set.h.
4409
4410 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4411
4412         * graphite.c (scop_record_loop): Fix compile warning.
4413
4414 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4415             Sebastian Pop  <sebastian.pop@amd.com>
4416
4417         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4418
4419 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4420
4421         * graphite.c (build_graphite_bb): Initialize bb->aux to
4422         point to the graphite_bb_p.
4423         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4424         content of bb->aux.
4425         (add_bb_domains): Does not use the scop parameter.
4426         (graphite_transform_loops): Clean bb->aux at the end.
4427
4428 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4429             Sebastian Pop  <sebastian.pop@amd.com>
4430
4431         * testsuite/lib/target-supports.exp
4432         (check_effective_target_fgraphite): New.
4433
4434         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4435         check_effective_target_fgraphite returns false.
4436         Set dg-do-what-default to compile.
4437         (scan-graphite-dump-times): Removed.
4438         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4439
4440         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4441         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4442         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4443         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4444         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4445         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4446         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4447         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4448         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4449         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4450         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4451         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4452         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4453         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4454         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4455         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4456         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4457         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4458         * testsuite/gcc.dg/graphite/block-0.c: Same.
4459         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4460         * testsuite/gcc.dg/graphite/block-1.c: Same.
4461         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4462         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4463         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4464         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4465         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4466
4467 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4468
4469         * graphite.c: Fix some XXX comments.
4470         (build_scop_dynamic_schedules): Removed.
4471
4472 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4473
4474         * graphite.h (scop_max_loop_depth): Moved...
4475         * graphite.c (scop_max_loop_depth): ...here.
4476         (remove_all_edges_1): New.
4477         (remove_all_edges): Factored code.
4478         (remove_cond_exprs): Check only the last statement for
4479         a GIMPLE_COND expression.
4480
4481 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4482
4483         * graphite.c (scan_tree_for_params): Early return when the
4484         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4485         (find_scop_parameters): Factor out code.
4486         (graphite_trans_bb_strip_mine): Remove dead code.
4487
4488 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4489
4490         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4491         graphite_trans_bb_move_loop): Factor asserts.
4492         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4493         Do not call calculate_dominance_info and estimate_bb_frequencies.
4494
4495 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4496
4497         * graphite.c (create_loops_mapping, free_loops_mapping,
4498         create_loops_mapping_num, debug_loop_mapping_1,
4499         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4500         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4501         graphite_loops_mapping_add_child_num,
4502         graphite_loops_mapping_insert_child,
4503         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4504         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4505         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4506         create_num_from_index, get_num_from_index,
4507         swap_loop_mapped_depth): Removed.
4508         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4509         (free_scop): Do not call free_loops_mapping.
4510         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4511         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4512         get_loop_mapped_depth.
4513         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4514         (graphite_trans_bb_strip_mine): Same.
4515         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4516         (struct scop): Remove field loops_mapping.
4517
4518 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4519             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4520
4521         * graphite.c (scop_record_loop): Factor out one level of the
4522         condition by early return.
4523         (build_scop_loop_nests): Format following FSF coding style.
4524         (build_scop_dynamic_schedules): Factor out code.
4525         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4526
4527 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4528             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4529
4530         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4531         assignments that are not handled as simple operands for now.
4532
4533 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4534             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4535
4536         * graphite.c (build_scop_bbs): Factor up code.
4537
4538 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4539             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4540
4541         * graphite.c (stmt_simple_for_scop_p): Factor code out
4542         of the loop.
4543         (enum gbb_type): New.  Group all the GBB_* types under it.
4544         (is_loop_exit): Moved...
4545         (end_scop): Enable BB spliting.
4546         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4547         * cfgloop.h (is_loop_exit): Declared.
4548
4549 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         * doc/invoke.texi: Remove strides from examples containing
4552         DO loops when the strides are equal to 1.
4553
4554 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4555             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4556
4557         * graphite.c (graphite_trans_scop_block): Or the result with
4558         the result from graphite_trans_loop_block.
4559         * testsuite/gcc.dg/graphite/block-1.c: New.
4560         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4561         * testsuite/gfortran.dg/graphite/block-2.f: New.
4562
4563 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4564
4565         * graphite.c (graphite_transform_loops): Call cloog_initialize
4566         and cloog_finalize.
4567
4568 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4569
4570         * tree-data-ref.c) (stmt_simple_memref_p): New.
4571         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4572         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4573         (is_simple_operand): Call stmt_simple_memref_p.
4574
4575         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4576         using pointer arithmetic, as this is optimized by PRE and
4577         makes the code too difficult to analyze.
4578
4579         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4580
4581 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4582
4583         * gdbinit.in (pgg): New.
4584
4585 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4586
4587         * graphite.c (graphite_trans_loop_block): Fix warning.
4588
4589 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4590
4591         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4592
4593 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4594
4595         * graphite.c (graphite_trans_bb_block): Remove check for
4596         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4597         Check if loop blocking is profitable for every loop, before applying
4598         the changes.
4599         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4600         if flag_loop_block is set.
4601
4602 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4603
4604         * graphite.c: Add some more documentation for the loop
4605         mapping.
4606
4607 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4608
4609         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4610         * graphite.c: Format on less than 80 columns.
4611         * graphite.h: Same.
4612
4613 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4614
4615         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4616
4617 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4618
4619         * doc/invoke.texi (floop-block, floop-strip-mine,
4620         floop-interchange): Update documentation with examples.
4621
4622 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4623
4624         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4625         add_referenced_var.
4626         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4627
4628 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4629
4630         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4631         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4632         * tree-scalar-evolution.c: Revert useless changes.
4633         * tree-phinodes.c: Same.
4634         * cfghooks.c: Same.
4635         * vec.h: Same.
4636         * tree-vectorizer.h: Same.
4637         * tree-flow.h: Same.
4638         * tree-cfg.c: Same.
4639         * common.opt (fgraphite): Update documentation.
4640
4641 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4642
4643         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4644         -floop-interchange): Add more text for explaining what each of these
4645         flags is doing.
4646         * tree-into-ssa.c (gimple_vec): Moved to...
4647         * graphite.c: Include gimple.h.
4648         (gimple_vec): Moved to...
4649         (del_loop_to_cloog_loop): Removed.
4650         (loop_affine_expr): Do not call create_data_ref when the
4651         operand is a constant.
4652         (new_scop): Use free instead of del_loop_to_cloog_loop.
4653         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4654         * gimple.h (gimple_vec): ... here.
4655
4656 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4657
4658         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4659         latch executions.
4660         (build_loop_iteration_domains): Fail, if latch executions unknown.
4661
4662 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4663
4664         * graphite.c (add_conditions_to_domain): New.
4665         (build_scop_conditions_1): Call add_conditions_to_domain.
4666         (set_cloog_options): Allow to disable optimizations.
4667
4668 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4669
4670         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4671         Do not use walk_dominator_tree.
4672         (find_scop_parameters): Do not use walk_dominator_tree.
4673
4674 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4675
4676         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4677         (idx_record_params): Adapt.
4678         * graphite.h (scop_gimple_loop_depth): New.
4679
4680 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4681
4682         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4683         (scan_tree_for_params): Remove value_init.
4684         (build_scop_context): Remove value_init.
4685         (build_loop_iteration_domains): Remove value_init.
4686         (schedule_to_scattering): Remove value_init.
4687         (graphite_trans_bb_strip_mine): Remove value_init.
4688
4689 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4690
4691         * gcc/graphite.c (limit_scops): New.
4692         (graphite_transform_loops): Add limit SCoPs.
4693         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4694         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4695         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4696         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4697         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4698         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4699         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4700         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4701         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4702         Change loop numbers.
4703         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4704         Change loop numbers.
4705         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4706         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4707         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4708         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4709         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4710         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4711         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4712         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4713         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4714         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4715
4716 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4717
4718         * graphite.c (graphite_transform_loops): Call always find_transform.
4719
4720 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4721
4722         * graphite.c (free_loops_mapping): New.
4723         (stmt_simple_for_scop_p): Fix typo.
4724         (stmt_simple_for_scop_p): Fix tuples functions, that
4725         broke polyhedron.
4726         (free_graphite_bb): Fix some memleaks.
4727         (free_scop): Fix some memleaks.
4728         (scopdet_bb_info): Do not forget some tmp SCoPs.
4729         (find_params_in_bb): Fix some memleaks.
4730         (clast_to_gcc_expression): Fix warning.
4731
4732 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4733
4734         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4735         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4736
4737 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4738
4739         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4740         Move code ifdef-ed HAVE_cloog...
4741         * graphite.c: Include toplev.h.
4742         ... here.
4743         * Makefile.in (OBJS-common): Always build graphite.o.
4744         (BACKEND): Remove @GRAPHITE@.
4745         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4746         (graphite.o): Depend on TOPLEV_H.
4747
4748 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4749
4750         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4751         Remove typo left from polylib to ppl conversion.
4752         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4753
4754 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4755
4756         * toplev.c (process_options): Move the graphite loop optimization
4757         flags...
4758         * tree-ssa-loop.c (graphite_transforms): ... here.
4759         When not configured with CLooG, print to dump_file that
4760         Graphite transforms were not performed.
4761         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4762         New.
4763         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4764         scan-graphite-dump-times.
4765
4766 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4767
4768         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4769         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4770
4771 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4772             Jan Sjodin  <jan.sjodin@amd.com>
4773
4774         * configure: Regenerated.
4775         * omp-low.c (expand_omp_sections): Remove now unused code.
4776         * config.in (HAVE_polylib): Removed.
4777         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4778         (PPLLIBS, PPLINC): Added.
4779         * graphite.c: Replace unsigned with int wherever possible.
4780         Don't access Cloog's data structures, but use accessor functions.
4781         Clast's stmt->type is now implemented as a vtable: change the
4782         switches of stmt->type into ifs.
4783         (polylib/polylibgmp.h): Don't include.
4784         (initialize_dependence_polyhedron,
4785         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4786         statement_precedes_p, test_dependence, build_rdg_all_levels,
4787         dump_dependence_graph): Removed until this code is cleaned up
4788         or ported to Cloog.
4789         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4790         (POLYLIBINC): Renamed PPLINC.
4791
4792 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4793             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4794             Jan Sjodin  <jan.sjodin@amd.com>
4795
4796         Finish the merge and tuplification of graphite.
4797
4798 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4799             Jan Sjodin  <jan.sjodin@amd.com>
4800
4801         Partial merge from mainline (138072:138275).
4802         * graphite.c still has to be tuplified.
4803
4804 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4805
4806         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4807         (create_num_from_index): New.
4808         (get_num_from_index): Also pass in the graphite BB.
4809         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4810         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4811         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4812         (is_interchange_valid): Return false when failing.
4813         * graphite.h (struct num_map): New.
4814         (struct graphite_bb): New field num_map.
4815         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4816
4817 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4818
4819         * graphite.c (dump_gbb_conditions): Print also conditions like
4820         "if (a)".  Remove dublicated code and use print_generic_expr ().
4821         (stmt_simple_for_scop_p): Only allow conditions we can handle
4822         {<, <=, >, >=}.
4823
4824 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4825
4826         * graphite.h (struct scop): Removed new_ivs field.
4827         (SCOP_NEWIVS): Deleted.
4828         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4829         clast_to_gcc_expression, graphite_create_new_loop):
4830         Removed use of new_ivs.
4831
4832 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4833
4834         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4835         create_loops_mapping_num, debug_loop_mapping_1): New.
4836         (debug_loop_mapping): Call debug_loop_mapping_1.
4837         (get_loop_mapping_for_num,
4838         graphite_loops_mapping_add_child,
4839         graphite_loops_mapping_add_child_num,
4840         graphite_loops_mapping_insert_child,
4841         graphite_loops_mapping_parent,
4842         split_loop_mapped_depth_for_num,
4843         loop_mapped_depth_split_loop): New.
4844         (increment_loop_mapped_depths): Removed.
4845         (swap_loop_mapped_depth_for_num): Reimplemented.
4846         (new_scop): Call create_loops_mapping.
4847         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4848         (translate_clast): Pass the old loop father in parameter, and pass
4849         it to get_old_iv_from_ssa_name.
4850         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4851         can_generate_code, can_generate_for_scop): New.
4852         (graphite_trans_bb_block): Returns false when it fails to transform.
4853         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4854
4855 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4856
4857         Reverted all the changes related to the streamization and
4858         loop fusion.
4859         These changes are now tracked in the streamization branch.
4860
4861 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4862             Jan Sjodin  <jan.sjodin@amd.com>
4863
4864         * graphite.c (gbb_compare): Correctly constify.
4865         (gbb_can_be_ignored): Indent.
4866         (graphite_trans_scop_swap_1and2): Add legality check.
4867         Remove dead FIXMEs.
4868
4869 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4870
4871         Remove fallouts from "Reverted the Condate changes".
4872         * tree.h: Remove unused decl.
4873         * testsuite/gcc.dg/tree-checker: Same.
4874         * timevar.def: Remove counter.
4875
4876 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         * Merge from mainline (135673:138072).
4879
4880         Reverted the MIRO changes (from 2008-04-05) that are now
4881         tracked in the miro branch.
4882         * tree-bounds.c: Removed.
4883         * tree-bounds.h: Removed.
4884
4885         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4886         are now tracked in the condate branch.
4887         * tree-check.c: Removed.
4888         * tree-match.c: Removed.
4889         * condate.y: Removed.
4890
4891 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4892
4893         * common.opt: New user flag -floop-block, -floop-strip-mine
4894         and -floop-interchange.
4895         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4896         graphite loop optimization flags is turned on.
4897         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4898         flag_loop_strip_mine and flag_loop_interchange checks before
4899         optimizations.
4900         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4901         -floop-strip-mine and -floop-interchange.
4902         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4903         -fgraphite.
4904         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4905         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4906         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4907
4908 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4909             Sebastian Pop  <sebastian.pop@amd.com>
4910
4911         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4912         (create_empty_loop_on_edge): More fixes.
4913         * tree-phinodes.c (resize_phi_node): Extern.
4914         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4915         * cfghooks.c (update_dominator_information): New split from
4916         split_edge.
4917         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4918         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4919         successor of the function entry block.
4920
4921         * graphite.c: Include pointer-set.h.
4922         (debug_loop_mapping, increment_loop_mapped_depths,
4923         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4924         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4925         swap_loop_mapped_depth_for_num, get_num_from_index,
4926         swap_loop_mapped_depth, loop_iv_stack_debug,
4927         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4928         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4929         get_old_iv_from_ssa_name): New.
4930         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4931         (free_scop): Free SCOP_LOOPS_MAPPING.
4932         (scop_record_loop): Record old ivs.
4933         (create_var_name): Removed.
4934         (initialize_cloog_names): Allocate double space in case strip mine
4935         applies to all loops once.
4936         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4937         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4938         translation.
4939         (graphite_create_new_loop): Pass in ivstack.
4940         (remove_all_edges): Pass in the construction_edge.
4941         (graphite_remove_iv): Removed.
4942         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4943         remove_cond_exprs): Rewritten.
4944         (move_phi_nodes): New.
4945         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4946         (translate_clast): Pass in ivstack.  Rewrite some cases.
4947         (set_cloog_options, debug_clast_stmt): New.
4948         (find_transform): Use set_cloog_options.
4949         (outermost_loop_layer): Removed.
4950         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4951         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4952         mark_old_loops, remove_dead_loops): New.
4953         (gloog): Rewritten.
4954         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4955         (const_column_index, get_first_matching_sign_row_index,
4956         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4957         get_upper_bound): New.
4958         (graphite_trans_bb_strip_mine): Also update the iv map.
4959
4960         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4961         (struct name_tree): Add a loop field.
4962         (struct scop): Add a graphite_loops_mapping field.
4963         (SCOP_LOOPS_MAPPING): New.
4964         (debug_clast_stmt): Declare.
4965         * lambda.h (find_induction_var_from_exit_cond): Declare.
4966         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4967         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4968         (create_empty_loop_on_edge): Updated.
4969         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4970         rename_variables_in_bb): Declare.
4971         * tree-cfg.c (remove_bb): Extern.
4972
4973         * testsuite/gcc.dg/graphite/block-0.c: New.
4974
4975 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4976             Sebastian Pop  <sebastian.pop@amd.com>
4977
4978         * graphite.c (strip_mine_profitable_p): New.
4979         (graphite_trans_bb_block): Disable strip mining if not profitable.
4980
4981         * testsuite/gcc.dg/graphite/scop-18.c: New.
4982         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4983         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4984
4985 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4986             Jan Sjodin  <jan.sjodin@amd.com>
4987             Sebastian Pop  <sebastian.pop@amd.com>
4988
4989         * graphite.c (is_interchange_valid): New.
4990         (graphite_trans_bb_block): Check loop nest of basic block for legality
4991         of interchange.
4992
4993         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4994         outer_most_loop, gbb_outer_most_loop_index): New.
4995
4996         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4997         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4998         * testsuite/gcc.dg/graphite/scop-16.c: New.
4999         * testsuite/gcc.dg/graphite/scop-17.c: New.
5000
5001 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5002
5003         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5004         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5005
5006 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5007
5008         * graphite.c (new_scop): Initialize SCOP_EXIT.
5009         (scopdet_info): Add.
5010         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5011         (build_scops_1): Cleanup, bugfixes.
5012         (build_scops): Cleanup.
5013
5014         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5015         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5016
5017 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5018
5019         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5020
5021         * testsuite/gfortran.dg/graphite/graphite.exp: Use
5022         DEFAULT_GRAPHITE_FLAGS.
5023
5024         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
5025
5026 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5027
5028         * graphite.c (scan_tree_for_params): Do not assert any more if
5029         MULT_EXPR parameter is negative.
5030
5031         * testsuite/gfortran.dg/graphite/scop-1.f: New.
5032
5033         * testsuite/gfortran.dg/graphite/graphite.exp: New.
5034
5035         * testsuite/gcc.dg/graphite/scop-15.c: New.
5036
5037 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5038
5039         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5040
5041 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5042
5043         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5044         graphite_swap_loops.
5045         (graphite_trans_bb_move_loop): New.
5046         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5047         (graphite_trans_bb_block): New.
5048         (graphite_trans_loop_block): New.
5049         (graphite_trans_scop_swap_1and2): Rename from
5050         graphite_trans_swap_1and2.
5051         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5052         (graphite_trans_scop_block): New.
5053         (graphite_apply_transformations): Rename from
5054         graphite_transformations.
5055
5056         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
5057
5058 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5059
5060         * graphite.c (gbb_compare): New.
5061         (graphite_sort_gbbs): New.
5062         (gbb_can_be_ignored): New.
5063         (scop_remove_ignoreable_gbbs): New.
5064         (graphite_transformations): Cleanup and add
5065         scop_remove_ignoreable_gbbs.
5066         * lambda.h (lambda_vector_compare): New.
5067
5068 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5069
5070         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5071         (graphite_swap_loops): int -> unsigned
5072         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5073         (graphite_transformations): New.
5074         (graphite_transform_loops): Move to graphite_transformations.
5075         * graphite.h (gbb_nb_loops): Return unsigned.
5076
5077 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5078
5079         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5080         the domain matrix.  This makes scop-0.c work again.
5081
5082 2008-06-20  Richard Guenther  <rguenther@suse.de>
5083
5084         * graphite.h: Adjust copyright to GPLv3.
5085         * graphite.c: Likewise.
5086         (stmt_simple_memref_for_scop_p): Split out from ...
5087         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5088         and simplify.
5089         (get_bb_type): Optimize.
5090         (is_pred): Remove.
5091         (is_bb_addable): Fix memleak, replace is_pred call with
5092         single_pred.
5093         (build_scops): Use current_loops.
5094         (param_index): Fix memleak.
5095
5096 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5097
5098         * graphite.c: Fix formatting.
5099
5100 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5101
5102         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5103         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5104         (create_var_name, save_var_name): Newly defined functions.
5105         (initialize_cloog_names): Part of the code factored out to
5106         save_var_name.
5107         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5108         in clast_reduction statement.
5109         (graphite_create_new_loop): Now takes a new parameter
5110         for outer_loop.
5111         (translate_clast): Now also takes the context_loop and bb_exit
5112         parameters. Rewritten the code so that it creates a gimple code
5113         inside the given context.
5114         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5115         remove_cond_expr, disconnect_cond_expr,
5116         disconnect_virtual_phi_nodes): Newly defined functions.
5117         * graphite.h (struct scop): added old_ivs vector.
5118         SCOP_OLDIVS: New macro.
5119
5120 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5121
5122         * cfgloopmanip.c: Add missing function comments, fix formatting.
5123
5124 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5125
5126         * cfgloopmanip.c (update_dominators_in_loop): Defined.
5127         (create_empty_loop_on_edge): Defined.
5128         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
5129         instead of void.
5130         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
5131         (update_dominators_in_loop): Declared as extern
5132         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
5133
5134 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5135
5136         * graphite.c (print_graphite_bb): Allow changing number of loops
5137         in SCoP domain.
5138         (initialize_cloog_names): Allow changing number of loops.
5139         (build_cloog_prog): Simplify.
5140         (find_transform): Enable cloog option --strides.
5141         (graphite_swap_loops): New.
5142         (graphite_strip_mine_loop): New.
5143         (graphite_trans_swap_1and2): New.
5144         (graphite_trans_strip): New.
5145         (graphite_transform_loops): Add graphite_trans_strip.
5146         * graphite.h (scop_max_loop_depth): New.
5147
5148 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5149
5150         * graphite.c (build_scop_iteration_domain): Remove forgotten
5151         line. (Fixes compile)
5152
5153 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5154
5155         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
5156         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
5157         (build_bb_loops): New.
5158         (graphite_transform_loops): Add build_bb_loops.
5159         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
5160         numbers.
5161         * graphite.h (graphite_bb): Add loops.
5162         (gbb_nb_loops): New.
5163         (gbb_loop_at_index): New.
5164         (gbb_loop_index): New.
5165         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
5166         using nb_params_in_scop.
5167
5168 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5169
5170         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
5171         (build_scop_canonical_schedules): Build minimized schedule.
5172         (schedule_to_scattering): Adapt to minimized schedule.
5173         * graphite.h (graphite_bb): Add/Update descriptions.
5174
5175 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
5176             Tobias Grosser  <grosser@fim.uni-passau.de>
5177
5178         * graphite.c (print_graphite_bb): Add condition printing.
5179         (dump_value): New.
5180         (dump_gbb_conditions): New.
5181         (build_scop_conditions_1): New.
5182         (build_scop_conditions): New.
5183         * graphite.h (graphite_bb): Add conditions.
5184
5185 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
5186
5187         * graphite.c (print_graphite_bb):
5188         (free_graphite_bb): New.
5189         (free_scop): Free bbs.
5190         (get_bb_type): Free doms.
5191         (build_scop_context): Free context matrix.
5192         (build_loop_iteration_domains): Remove unused code.
5193         (build_cloog_prog): Free scattering function and blocklist.
5194         (find_transform): Free options.
5195
5196 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
5197
5198         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
5199         Remove unnecessery cloog data structures. Make a copy of the domain
5200         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
5201         unnecessary cloog data structures. Fix memory leaks. Remove insert
5202         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
5203         used.
5204         (build_scop_iteration_domain): Remove unnecessary cloog
5205         data structures.  Fix memory leaks.
5206         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
5207         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
5208
5209 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5210
5211         * graphite.c (find_scop_params): Remove initialize_cloog_names.
5212
5213 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5214
5215         * graphite.c (end_scop): Style fix.
5216         (schedule_to_scattering): Style and comment fix.
5217
5218 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5219         * graphite.c (print_graphite_bb): Fix definiton of
5220         schedule_to_scattering.
5221         (initialize_cloog_names): Change nb_scattdims to max loop
5222         depth in SCoP.
5223         (schedule_to_scattering): Take parameter for number of scattering
5224         dimensions.
5225         (build_cloog_prog): Only build as much scattering dimensions as
5226         necessary.
5227
5228 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
5229
5230         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
5231         in polyhedron/aermod.f90.
5232
5233 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5234             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
5235             Harsha Jagasia  <harsha.jagasia@amd.com>
5236
5237         * graphite.c (is_bb_addable): Fix segfault.
5238
5239 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5240
5241         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
5242         with multiple exits and conditional handling in edge cases.
5243         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
5244
5245         * testsuite/gcc.dg/graphite/scop-14.c: New.
5246
5247 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5248             Adrien Eliche  <aeliche@isty.uvsq.fr>
5249
5250         * graphite.c (is_bb_addable): Add more comments and enhance
5251         readablity of the source code. Fix memory leak.
5252         (is_loop_exit): Fix memory leak.
5253
5254 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5255
5256         * graphite.c (first_loop_in_scop): Deleted.
5257         (setup_cloog_loop): Only walk the loop chain for inner loops.
5258         (build_scop_iteration_domain): Execute setup_cloog_loop for
5259         all loops in the first layer.
5260
5261 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5262
5263         * graphite.c (scan_tree_for_params): Change the way params are
5264         added to be indepenent of the number of loops.
5265         (setup_cloog_loop): Revert to short matrix format. Fix parameter
5266         handling.
5267         (build_cloog_prog): Revert to short matrix format.
5268
5269 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5270             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
5271
5272         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
5273         warning.
5274
5275 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
5276
5277         * graphite.c (nb_data_refs_in_scop): New.
5278         (graphite_transform_loops): Print more stats: number of
5279         loops, basic blocks and data references per scop.
5280
5281 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5282             Jan Sjodin  <jan.sjodin@amd.com>
5283
5284         * graphite.c (loop_affine_expr, idx_record_params,
5285         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5286         instead of instantiate_parameters.
5287
5288 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5289
5290         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5291         add support for parameters, add STATIC_SCHEDULE at the right places,
5292         cleanup.
5293
5294 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5295
5296         * graphite.c (build_scop_loop_nests): Only add the loops, that
5297         are contained completely in the SCoP.
5298         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5299         and the domains are fixed.
5300         (build_scop_canonical_schedules): Add support for bbs not contained
5301         in any SCoP.
5302
5303 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5304
5305         * graphite.h (scop_contains_loop): Update comments to match
5306         the actual behavior.
5307         (scop_contains_loop): New.
5308         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5309
5310 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5311
5312         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5313         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5314         as GBB_COND_HEADER.
5315
5316 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5317             Tobias Grosser  <grosser@fim.uni-passau.de>
5318
5319         * graphite.c (graphite_transform_loops): Early return when
5320         there are no loops in the function.
5321
5322 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5323             Jan Sjodin  <jan.sjodin@amd.com>
5324
5325         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5326         offset of the last loop.
5327         (setup_cloog_loop): Copy the entire outer constraint matrix.
5328
5329 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5330             Jan Sjodin  <jan.sjodin@amd.com>
5331
5332         * graphite.c (stmt_in_scop_p, function_parameter_p,
5333         invariant_in_scop_p): Removed.
5334         (scan_tree_for_params): Can be used with no constraint
5335         matrix for gathering parameters.
5336         (idx_record_params): Don't use idx_record_param, instead use
5337         scan_tree_for_params.
5338         (find_scop_parameters): Same.
5339         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5340         Fix the size of loop domains.
5341         (schedule_to_scattering): Exit when the outer loop is not in scop.
5342         (find_transform): Enable build_cloog_prog.
5343
5344 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5345             Jan Sjodin  <jan.sjodin@amd.com>
5346
5347         * graphite.c (schedule_to_scattering): Make scattering domains
5348         uniformly of the same size, as required by CLooG 0.14.0 and before.
5349
5350 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5351             Jan Sjodin  <jan.sjodin@amd.com>
5352
5353         * graphite.c (schedule_to_scattering): Rewrite, correct the
5354         translation of the scheduling function to scattering.
5355         (build_cloog_prog): Call schedule_to_scattering only once.
5356         * graphite.h (scop_loop_index): Do not fail for loops not
5357         in the scop: return -1.
5358
5359 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5360
5361         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5362         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5363         (setup_cloog_loop): Export GBB_DOMAIN.
5364         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5365         able to rebuild the original control flow.
5366         * graphite.h (graphite_bb): Add domain field and access macro.
5367         (GBB_DOMAIN): New.
5368
5369 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5370
5371         * graphite.c (debug_gbb): New.
5372         (print_scop, build_graphite_bb): Use SCOP_BBS.
5373         (build_scop_bbs): Reimplemented.
5374         (dfs_bb_in_scop_p): Removed.
5375         (build_scop_loop_nests): Reorder loops inserted in
5376         SCOP_LOOP_NEST: outer loops should come first.
5377         (build_scop_canonical_schedules): Reinitialize at zero
5378         the components of the SCOP_STATIC_SCHEDULE for the loops
5379         that have already been parsed.
5380
5381         * graphite.h (debug_gbb): Declared.
5382
5383 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5384             Jan Sjodin  <jan.sjodin@amd.com>
5385
5386         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5387         (graphite_loop_to_gcc_loop): Removed.
5388         (remove_all_edges): New.
5389         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5390         (gloog): Remove useless code.
5391
5392 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5393
5394         * graphite.c (get_bb_type): Reworked. We distinguish between
5395         loops with one or multiple exits.
5396         (is_loop_exit): New.
5397         (is_pred): New.
5398         (is_bb_addable): Rework condition handling, now support for case
5399         case statements and loops with multiple exits.
5400
5401         * testsuite/gcc.dg/graphite/scop-11.c: New.
5402         * testsuite/gcc.dg/graphite/scop-12.c: New.
5403         * testsuite/gcc.dg/graphite/scop-13.c: New.
5404
5405 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5406
5407         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5408         we have too many colors.
5409
5410 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5411
5412         * doc/invoke.texi (-ftree-loop-fusion): Document.
5413         * tree-pass.h (pass_loop_fusion): Declared.
5414         * tree-loop-fusion.c: New.
5415         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5416         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5417         * tree-data-ref.h (find_data_references_in_loop): Declared.
5418         * common.opt (ftree-loop-fusion): Declared.
5419         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5420
5421 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5422
5423         * graphite.c (build_access_matrix): Fix typo from the merge.
5424
5425 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5426
5427         * Merge from mainline (130800:135673).
5428
5429 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5430
5431         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5432         Update dominators after splitting.
5433
5434 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5435
5436         * graphite.c (is_bb_addable): Return the harmful statement.
5437         Factor up some code.
5438         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5439         (build_scops_1): Call end_scop.
5440
5441 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5442
5443         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5444         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5445         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5446         build_scops_1): Removed.
5447         (build_scops_2): Renamed build_scops_1.
5448
5449 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5450
5451         * graphite.c: Fix formatting.
5452
5453 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5454
5455         * graphite.c (get_bb_type): New.
5456         (move_scops): New.
5457         (build_scops_2): New.
5458         (is_bb_addable): New.
5459         (build_scops): Switch the scop detection.
5460         (build_scop_bbs): Add entry bb to scop.
5461         * graphite.h (struct scop): Update comment.
5462
5463 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5464
5465         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5466         more colors.
5467
5468 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5469
5470         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5471         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5472         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5473         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5474         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5475
5476 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5477
5478         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5479         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5480         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5481         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5482         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5483
5484 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5485
5486         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5487         Check affine expressions depending on the outermost loop
5488         instead of a scop.
5489         (stmt_simple_for_scop_p): Same.
5490         (harmfule_stmt_in_scop): Same.
5491
5492 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5493
5494         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5495         mark entry and exit, that are not part of the SCoP and update HTML
5496         formatting.
5497
5498 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5499
5500         * graphite.c (basic_block_simple_for_scop_p): Renamed
5501         harmful_stmt_in_bb.
5502         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5503         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5504         (all_preds_visited_p, all_succs_visited_p,
5505         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5506         scop_end_loop): New.
5507         (build_scops): Do not use dfs_enumerate_from.
5508
5509         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5510
5511 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5512
5513         * graphite.c: Add comments to functions that are missing a
5514         description.
5515         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5516
5517 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5518
5519         * graphite.c (nb_params_in_scop): Moved...
5520         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5521         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5522         (clast_to_gcc_expression): Reduce column size to less than 80.
5523         (graphite_create_iv): Return the new name of the IV.
5524         (find_transform): Set options->esp and options->cpp.
5525         (gloog): Comment out the invalidation of the old loop code.
5526         (initialize_dependence_polyhedron): Replace scop_nb_params with
5527         nb_params_in_scop.
5528
5529         * graphite.h (nb_params_in_scop): ... here.
5530         (scop_nb_params): Removed.
5531         (loop_domain_dim): Return something even when the loop was not
5532         found in the hash table: avoid ICEing on all the graphite.exp
5533         testcases.
5534
5535 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5536
5537         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5538
5539         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5540         according to nesting level.
5541         (find_scop_parameters): Call instantiate_parameters.
5542         (scan_tree_for_params): Extend it to handle general affine bounds.
5543         Inner loop bound can depend on outer loop induction variable.
5544         (setup_cloog_loop): tmp variable is allocated on stack. Call
5545         instantiate_parameters with respect to outermost_loop_in_scop.
5546         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5547         graphite.h.
5548         (create_empty_loop): Function loopify should be given edge
5549         probability, instead of edge frequency. Dominance relation from
5550         switch_bb to loop_header.
5551         (clast_to_gcc_expression): Added handling of clast_reduction node.
5552         (gloog): New functionality for removing old loop.
5553         (test_dependence): Factored out from build_rdg_all_levels.
5554         (build_rdg_all_levels): Dependence testing factored out to
5555         test_dependence function.
5556
5557         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5558         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5559         from graphite.c
5560
5561 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5562
5563         * graphite.c (free_scop, param_index, initialize_cloog_names,
5564         nb_params_in_scop): Use name_tree map instead of just a tree
5565         for keeping track of the variable name associated to that tree.
5566         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5567         clast_to_gcc_expression, graphite_create_iv,
5568         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5569         graphite_stmt_to_gcc_stmt): New.
5570         (gloog): Call these.
5571         * graphite.h (struct name_tree): New.
5572         (struct scop): Use name_tree instead of tree for params.
5573         Store a vector of name_tree for new_ivs.
5574         (SCOP_NEWIVS): New.
5575         (scop_nb_params): Use name_tree instead of tree.
5576
5577 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5578             Sebastian Pop  <sebastian.pop@amd.com>
5579
5580         * tree-bounds.c: New.
5581         * tree-bounds.h: New.
5582         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5583         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5584         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5585         flag_mudflap.
5586         * gcc.c: Same.
5587         * toplev.c: Same.
5588         * c-cppbuiltin.c: Same.
5589         * c-pragma.c: Same.
5590         * common.opt: Same.
5591         * varasm.c: Same.
5592         * tree-outof-ssa.c: Same.
5593         * c-common.c: Same.
5594         * Makefile.in: Same.
5595
5596 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5597             Sebastian Pop  <sebastian.pop@amd.com>
5598
5599         * tree-loop-distribution.c (remaining_stmts,
5600         upstream_mem_writes): Removed static variables.
5601         (copy_loop_before, create_bb_after_loop,
5602         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5603         rdg_build_components, rdg_build_partitions,
5604         dump_rdg_partitions): Extern.
5605         (generate_loops_for_partition, generate_code_for_partition): Do not
5606         return a bool.
5607         (already_processed_vertex_p, predecessor_has_mem_write,
5608         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5609         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5610         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5611         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5612         Pass remaining_stmts and upstream_mem_writes as parameters.
5613         (rdg_component): Moved...
5614         (build_rdg_partition_for_component): Do not aggregate components when
5615         flag_streamize_loops is set.
5616         (gen_sequential_loops): New.
5617         (ldist_gen): Call gen_sequential_loops.
5618
5619         * tree-pass.h (pass_loop_streamization): Declared.
5620
5621         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5622         basic blocks when loops structures exist.
5623
5624         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5625
5626         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5627
5628         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5629         eliminate_local_variables_stmt, eliminate_local_variables,
5630         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5631         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5632         of code delimited by two edges in the CFG.
5633         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5634         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5635         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5636         the case of parallelisation of reductions.
5637         (create_loop_fn): Extern.
5638         (create_omp_parallel_region): New.
5639
5640         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5641         dump_data_reference for printing dra and drb.
5642         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5643         RDGE_RELATION.
5644         (build_rdg): Don't call free_dependence_relations for the moment, as
5645         we attach dependence relations on each edge of the RDG.
5646         To be fixed later.
5647
5648         * tree-data-ref.h (rdg_component): ...here.
5649         (struct rdg_edge): New field ddr_p relation.
5650         (RDGE_RELATION): New.
5651         (create_bb_after_loop, copy_loop_before,
5652         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5653         rdg_build_partitions, dump_rdg_partitions,
5654         free_rdg_components): Declared.
5655
5656         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5657         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5658
5659         * tree-loop-streamization.c: New.
5660
5661         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5662         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5663
5664         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5665
5666         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5667
5668         * passes.c: Schedule pass_loop_streamization.
5669
5670 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5671
5672         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5673         update comment.
5674
5675 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5676
5677         * graphite.c (dot_all_scops): Update formatting.
5678         Bbs can now be part of more than one SCoP.
5679
5680 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5681
5682         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5683         malloc problems.
5684         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5685         * graphite.h (loop_to_cloog_loop): New.
5686
5687 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5688
5689         * graphite.c (loop_domain_dim, ref_nb_loops,
5690         loop_iteration_vector_dim): New.
5691         (build_access_matrix_with_af, build_access_matrix,
5692         initialize_dependence_polyhedron): Fixed for new matrix layout.
5693         No longer assume that all iteration domains are of the same
5694         dimensionality.
5695
5696 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5699         defined in a loop at depth 0 is invariant.
5700         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5701         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5702         be called at loop depth 0.
5703
5704         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5705         a parameter.
5706         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5707         (down_open_scop): Removed.
5708         (loop_in_scop_p): Redefined.
5709         (scop_affine_expr): New argument: scop.
5710         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5711         a harmful statement ending a scop.
5712         (basic_block_simple_for_scop_p): New argument: scop.
5713         (get_loop_start): Removed.
5714         (new_scop): Initialize SCOP_LOOPS.
5715         (free_scop): Free SCOP_LOOPS.
5716         (succs_at_same_depth, preds_at_same_depth): New.
5717         (end_scop): Test the validity of a scop.
5718         (add_dominators_to_open_scops): New.
5719         (test_for_scop_bound): Call add_dominators_to_open_scops.
5720         Add cases for opening and closing multiple scops.
5721         (build_scops, build_scop_bbs): Iterate over basic blocks in
5722         depth first order.
5723         (build_graphite_bb): Pass scop directly.
5724         (dfs_bb_in_scop_p): New.
5725         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5726         several times.
5727         (nb_loops_around_gb): Use loop_in_scop_p.
5728         (schedule_to_scattering): Disabled for the moment the code computing
5729         the "textual order for outer loop".
5730
5731         * graphite.h (struct scop): New field loops.
5732         (SCOP_LOOPS): New.
5733         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5734
5735         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5736
5737 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5738             Sebastian Pop  <sebastian.pop@amd.com>
5739
5740         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5741         * common.opt (fstreamize-loops): New.
5742         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5743         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5744         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5745         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5746
5747 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5748
5749         * tree-data-ref.c (build_empty_rdg): New.
5750         (build_rdg): Use it.
5751         * tree-data-ref.h (build_empty_rdg): Declared.
5752         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5753         (find_vertex_for_stmt): Removed.
5754         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5755
5756 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5757
5758         * tree-loop-distribution.c (generate_builtin): After cancelling the
5759         loop tree, also delete basic blocks.
5760         (rdg_flag_uses): Stop recursion when a vertex has already been
5761         processed.
5762
5763 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5764
5765         * graphite.c (build_scop_alpha): Removed.
5766         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5767         and dump_dependence_graph to avoid compiler warnings.
5768
5769 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5770
5771         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5772         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5773         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5774         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5775         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5776         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5777         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5778         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5779         dump_dependence_graph): New.
5780         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5781         (GBB_ALPHA): New.
5782         (struct scop): New field loop2cloog_loop.
5783         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5784         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5785
5786 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5787
5788         * graphite.c (build_graphite_bb): Fix initialization
5789         of the graphite basic block.
5790
5791 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5792
5793         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5794         loop domain matrix.  Pass in the number of loops contained in the
5795         constraint matrix.
5796         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5797         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5798         loops that are not surrounding the current loop are not represented
5799         in the domain constraint matrix.
5800         (build_scop_iteration_domain): Initial domain constraint matrix
5801         contains only the eq/ineq, cst, and scop parameters columns.
5802
5803 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5804
5805         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5806         (print_graphite_bb): Print scattering.
5807
5808 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5809
5810         * graphite.c (initialize_cloog_names): Initialize names of
5811         scattering variables.
5812
5813 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5814
5815         * graphite.c (dot_all_scops_1): Disable debug output while
5816         printing graph.
5817
5818 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5819
5820         * graphite.c (find_transform): Change cloog output language to C.
5821
5822 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * tree-loop-distribution.c (generate_memset_zero,
5825         generate_builtin, generate_code_for_partition,
5826         rdg_flag_all_uses): New.
5827         (rdg_flag_uses): Gather in the same partition the statements defining
5828         the VUSES of the current statement.
5829         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5830         Gather in the same partition not only the stores to the same memory
5831         access, but also the reads.
5832         (ldist_generate_loops): Renamed ldist_gen.
5833
5834 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5835             Tobias Grosser  <grosser@fmi.uni-passau.de>
5836
5837         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5838         next pointer, don't use the inner pointer.
5839
5840 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5841
5842         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5843         (find_transform): Call dot_all_1.
5844         * graphite.h (dot_all_scops): Declared.
5845
5846 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5847
5848         * tree-loop-distribution.c: Fix apsi.f ICE.
5849         (create_bb_after_loop): New.
5850         (generate_loops_for_partition): Use it.
5851         * testsuite/gfortran.dg/ldist-1.f90: New.
5852
5853         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5854         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5855
5856 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5857
5858         * graphite.c (find_transform): Dump cloog program sent to cloog.
5859
5860 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5861
5862         * graphite.c (initialize_cloog_names): Initialize cloog
5863         iterator names.
5864
5865 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5866
5867         * graphite.c (build_scop_context): Fix typo, for the matrix
5868         format: insert '0 >= 0' instead of '-1 >= 0'.
5869
5870 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5871
5872         * Fix merge problems.
5873
5874 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5875
5876         * graphite.c (setup_cloog_loop): Fix typo.
5877
5878 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5879
5880         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5881         * tree-loop-distribution.c: Reimplemented.
5882         * tree-pass.h (pass_loop_distribution): New.
5883         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5884         print_loops.
5885         * graphds.h (struct graph): New field indexes.
5886         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5887
5888         * tree-vect-analyze.c: Remove declaration of static functions when not
5889         needed.
5890         * tree-vectorizer.c: Same.
5891         (rename_variables_in_loop): Now extern.
5892         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5893         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5894         calling redirect_edge_and_branch_force.
5895
5896         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5897
5898         * tree-data-ref.c: Don't include tree-chrec.h.
5899         (debug_data_dependence_relations): New.
5900         (dump_data_dependence_relation): Call dump_data_reference on data refs
5901         in the relation.
5902         (same_access_functions): Moved...
5903         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5904         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5905         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5906         struct rdg_vertex_info, ): New.
5907         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5908         at DDR_REVERSED_P.
5909         (create_rdg_vertices): Initialize the htab of graph->indexes.
5910         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5911         (stmts_from_loop): Don't save LABEL_EXPR.
5912         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5913         hash_stmt_vertex_del): New.
5914         (build_rdg): Initialize rdg->indexes.
5915         (free_rdg, stores_from_loop, ref_base_address,
5916         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5917         have_similar_memory_accesses_1, ref_base_address_1,
5918         remove_similar_memory_refs): New.
5919
5920         * tree-data-ref.h: Include tree-chrec.h.
5921         (debug_data_dependence_relations): Declared.
5922         (same_access_functions): ...here.  Now static inline.
5923         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5924         ddr_dependence_level): New.
5925         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5926         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5927         RDG_MEM_READS_STMT): New.
5928         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5929         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5930         rdg_vertex_for_stmt): Declared.
5931         (struct rdg_edge): New field level.
5932         (RDGE_LEVEL, free_rdg): New.
5933         (stores_from_loop, remove_similar_memory_refs,
5934         rdg_defs_used_in_other_loops_p,
5935         have_similar_memory_accesses): Declared.
5936         (rdg_has_similar_memory_accesses): New.
5937
5938         * lambda.h (dependence_level): New.
5939         * common.opt (ftree-loop-distribution): New.
5940         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5941         (print_loop_ir): Renamed print_loops.
5942         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5943         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5944         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5945         (tree-loop-distribution.o): Added.
5946         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5947         (mark_virtual_ops_in_bb): New.
5948         (print_loops_bb, debug_loop_num, debug_loop): New.
5949         * passes.c: Scheduled pass_loop_distribution.
5950
5951 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5952
5953         * graphite.c (scan_tree_for_params): Correct the number of columns
5954         for polylib format.
5955         (nb_flat_iterator): New.
5956         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5957         (build_scop_iteration_domain): Correct the number of columns for
5958         polylib format.
5959
5960 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5961
5962         * Merge from mainline (129697:130800).
5963
5964 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5965
5966         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5967         dominated by SCoP's exit.
5968         (graphite_transform_loops): Compute post dominators.
5969
5970 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5971
5972         * Merge from mainline (127169:129697).
5973
5974 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5975
5976         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5977         parameter for the basic block that contains the expression.  Use
5978         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5979         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5980         the expression.
5981         * graphite.h (gbb_loop): New.
5982         (GBB_LOOP): Removed.
5983
5984 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5985
5986         * Makefile.in: Fix merge problem.
5987
5988 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5989
5990         * Merge from mainline (125309:127169).
5991         * tree-loop-distribution.c: Disabled.
5992
5993 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5994
5995         * Merge from mainline (r123693:125309).
5996
5997 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5998
5999         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6000         correct_modify_p
6001         (correct_modify_p, check_statements, number_of_lvalue_uses,
6002         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6003         instead of MODIFY_EXPR.
6004         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6005         and push new edges.
6006
6007 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6008
6009         * tree-loop-distribution.c (struct rdg): Replace arrays by
6010         VECs for edges and vertices.
6011         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6012         (RDGV_NB_PARTITIONS): New.
6013         (PRDG_NBV, PRDG_NBE): Removed.
6014         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6015         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6016         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6017
6018 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6019             Sebastian Pop  <sebpop@gmail.com>
6020
6021         * doc/invoke.texi (-ftree-loop-distribution): Document.
6022         * tree-loop-distribution.c: New file.
6023         * tree-pass.h (pass_loop_distribution): Declared.
6024         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6025         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6026         and set reversed_p.
6027         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6028         (DDR_REVERSED_P): New.
6029         * common.opt (-ftree-loop-distribution): New.
6030         * tree-flow.h (distribute_loops): Declared.
6031         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6032         * passes.c (init_optimization_passes): Schedule loop distribution.
6033
6034 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6035
6036         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6037         (print_scop): Don't print when scop is NULL.
6038         (build_scop_context, find_transform): Don't output to stderr.
6039
6040 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6041
6042         * tree-data-ref.c: Don't include graphite.h.
6043         Comment out the code for printing data reference's scop.
6044         (build_access_matrix_with_af): Moved...
6045         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6046         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6047         (print_graphite_bb): Print basic block's schedule.
6048         (print_scop): Don't print the schedule, call cloog's pretty printer.
6049         (bb_in_scop_p): A basic block is in a scop only if it is both
6050         dominated and postdominated by the scop's entry and exit basic blocks.
6051         (function_parameter_p): New.
6052         (invariant_in_scop_p): Use function_parameter_p.
6053         (new_scop, save_scop): New.
6054         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6055         save_scop.
6056         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6057         (loop_in_scop_p): New.
6058         (scop_record_loop): Use loop_in_scop_p.
6059         (build_scop_domain): Renamed build_scop_iteration_domain.
6060         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6061         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6062         setup_cloog_loop, dot_scop_1, dot_scop): New.
6063         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6064         (struct scop): Add a pointer to cloog's representation of a program.
6065
6066 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6067
6068         * doc/invoke.texi (-ftree-check-verbose): Renamed
6069         -ftree-checks-verbose.
6070         * common.opt (flag_tree_check_verbose): Renamed
6071         flag_tree_checks_verbose.
6072         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6073
6074 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6075
6076         * configure: Regenerated.
6077         * config.in: Regenerated.
6078         * tree-ssa-loop.c (graphite_transforms): Execute
6079         graphite_transform_loops only when HAVE_cloog.
6080         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6081         * graphite.c: Include polylibgmp.h and cloog.h.
6082         (graphite_transform_loops): Removed loops parameter.
6083         * tree-flow.h (graphite_transform_loops): Update declaration.
6084         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6085         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6086         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6087         (OBJS-common): Remove dependence on graphite.o.
6088         (BACKEND): Depend on @GRAPHITE@.
6089
6090 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6091
6092         * doc/invoke.texi (-ftree-check-verbose): Documented.
6093         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
6094         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
6095         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
6096         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
6097         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
6098         * testsuite/gcc.dg/tree-checker/condates.crp: New.
6099         * common.opt (ftree-checks-verbose): New.
6100         * tree-check.c (tree_check_warning): Move extra stderr output
6101         under control of flag_tree_check_verbose.
6102
6103 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6104
6105         * tree-match.c: Fix comments formatting.
6106         * tree-match.h: Fix comments formatting.
6107         * tree-check.c: Fix comments formatting.
6108         (tree_check_init): Restructure.
6109
6110 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6111
6112         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6113
6114 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6115
6116         * Merge from mainline (r120733:123693).
6117
6118 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6119
6120         * condate.y: New file.
6121         * tree-match.h (struct patt_info_s): New field sign.
6122         (struct condate_s): New field msg.
6123         (normalize_condate, name_condate, add_condate): New.
6124         (conds[], condate_parse): Made extern.
6125         * tree-check.c (tree_check_warning): First arg changed to cond;
6126         warning reformatted.
6127         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
6128         (tree_scan): New.
6129         (tree_check): Process trivial condates.
6130         (read_delimited_string): Removed.
6131         (print_cond): Print name and msg.
6132         (conds[]): Made extern.
6133         (parse_tree_check_file_once): Rewritten to use the parser in
6134         condate.y.
6135         Processing of option --tree_check_string moved to tree_scan().
6136         * Makefile.in: Added condate.y
6137
6138 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
6139
6140         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
6141         Use VECs instead of varrays.
6142         * diagnostic.h (lazy_dump_generic_node): Update declaration.
6143         * Makefile.in (pretty-print.o): Depend on vec.h.
6144         * pretty-print.c: Include tree.h and vec.h.
6145         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
6146         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
6147         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
6148         pp_free_list): Use VECs instead of varrays.
6149         * pretty-print.h: Do not include varray.h.
6150         (struct tree_chunk_s): Declaration moved before its use.
6151         (output_buffer): Rename varray field to chunks.
6152         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
6153         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
6154         save_global_holes): Use VECs instead of varrays.
6155         * tree-match.h: Declare VECs of cfg_node, and hole_p.
6156         * tree-check.c (scan_cfg_stmts, push_node,
6157         print_matching_stmt): Removed.
6158         (tree_check_instance, push_global_holes_if_new, tree_check,
6159         execute_tree_check): Use VECs instead of varrays.
6160         (gate_tree_check): Don't execute the CFG check when basic_block_info
6161         is not available.
6162
6163 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6164
6165         * Merge from mainline (r115016:120733).
6166
6167 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6168
6169         * Merge from mainline (r117632:117661).
6170
6171 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
6172
6173         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
6174         * tree-pass.h (TDF_DEBUG, debug_p): New.
6175         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
6176         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
6177         get_loop_exit_condition, analyze_evolution_in_loop,
6178         analyze_initial_condition, analyze_scalar_evolution,
6179         instantiate_parameters, number_of_latch_executions): Use debug_p.
6180         * tree-chrec.c (chrec_apply): Use debug_p.
6181         * tree-data-ref.c: Include graphite.h.
6182         (dump_data_reference): Print also the access matrix.
6183         (analyze_array, analyze_indirect_ref, init_data_ref,
6184         analyze_offset_expr, address_analysis, object_analysis,
6185         create_data_ref, finalize_ddr_dependent,
6186         non_affine_dependence_relation, analyze_ziv_subscript,
6187         analyze_siv_subscript_cst_affine,
6188         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
6189         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
6190         analyze_miv_subscript, analyze_overlapping_iterations,
6191         build_classic_dist_vector, subscript_dependence_tester,
6192         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
6193         (build_access_matrix_with_af): No longer static.
6194         * tree-data-ref.h (scop_p): ... declaration here.
6195         (data_reference.scop): New field.
6196         (DR_SCOP, DR_ACCESS_MATRIX): New.
6197         (build_access_matrix_with_af, dr_num_subscripts): Declared.
6198         * graphite.c (print_graphite_bb): Call dump_data_references.
6199         (print_scop): Use scop_nb_loops and scop_dim_domain.
6200         (test_for_scop_bound): Use debug_p.
6201         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
6202         scop_nb_params.
6203         (scop_loop_index): Moved...
6204         (scop_record_loop): New.
6205         (build_scop_loop_nests): Use scop_record_loop.
6206         (build_scop_domain): Use scop_dim_domain.
6207         (build_access_matrix): Implemented.
6208         (build_scop_canonical_schedules): Use scop_nb_loops.
6209         (build_graphite_bb): Initialize GBB_SCOP.
6210         * graphite.h (scop_p): Moved...
6211         (graphite_bb.scop): New field.
6212         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
6213         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
6214         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
6215         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
6216         scop_loop_index): New.
6217         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
6218
6219 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
6220
6221         * Merge from mainline (r117661:120450).
6222
6223 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
6224
6225         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
6226         at the first declaration outside the varying loop, instantiate as
6227         far as possible.
6228         * tree-chrec.c (for_each_scev_op): New.
6229         * tree-chrec.h (for_each_scev_op): Declared.
6230         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
6231         * tree-data-ref.c (get_references_in_stmt,
6232         find_data_references_in_stmt): New, from trunk.
6233         (find_data_references_in_loop): Use get_references_in_stmt
6234         and find_data_references_in_loop, modified as in trunk.
6235         (build_access_matrix_with_af): New.
6236         * tree-data-ref.h (data_reference): Add a field access_matrix.
6237         (data_ref_loc): New, as in trunk.
6238         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
6239         invariant_in_scop_p, param_index, scan_tree_for_params,
6240         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
6241         idx_record_param, idx_record_params, build_access_matrix,
6242         build_scop_data_accesses, build_scop_canonical_schedules,
6243         build_graphite_bb, build_scop_bbs, find_params_in_bb,
6244         build_scop_params): New.
6245         * graphite.h (graphite_bb): New.
6246         (scop): Add fields static_schedule, params, loop_nest,
6247         iteration_domain.
6248         * lambda.h: Declare vecs of lambda_matrix.
6249         * tree-flow.h (print_loop_ir_bb): Declared.
6250         * tree-cfg.c (print_loop_ir_bb): New.
6251         (print_loop): Use print_loop_ir_bb.
6252
6253 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
6254
6255         * Merge from mainline (r115016:117632).
6256
6257 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
6258
6259         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
6260         break due to a warning.
6261
6262 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
6263
6264         * graphite.c (print_scops, debug_scops): New.
6265         (graphite_transform): Renamed graphite_find_transform.
6266         * graphite.h (debug_scops): Declared.
6267
6268 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
6269
6270         * tree-match.c: Reformat following the GNU style.
6271         * tree-match.h: Reformat following the GNU style.
6272         * tree-pattern.h: Removed empty file.
6273         * Makefile.in: Remove references to tree-pattern.h.
6274         * tree-check.c: Reformat following the GNU style.
6275         (execute_tree_check): Move gate condition code to...
6276         (gate_tree_check): ...here.  New function.
6277         (pass_check): Use the gate function.
6278
6279 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
6280
6281         * tree-pattern.h: New. Tree pattern matching and checking using
6282         concrete syntax.
6283         * tree-check.c: New. Tree/CFG checking pass.
6284         * tree-match.c: New. Library for tree pattern matching.
6285         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6286         * toplev.c, flags.h: Add globals for tree-check pass.
6287         * Makefile.in: Integrate the files in tree-check pass.
6288         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6289         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6290         Introduce a "lazy" pretty-print mode.
6291         * tree.c, tree.h: Add tree_name.
6292
6293 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6294
6295         * doc/invoke.texi (-fgraphite): Correct typo.
6296         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6297         use of print_loop_ir.
6298         * testsuite/gcc.dg/graphite/scop-1.c: New.
6299         * testsuite/gcc.dg/graphite/scop-2.c: New.
6300         * testsuite/gcc.dg/graphite/graphite.exp: New.
6301         * graphite.c: Include domwalk.h.
6302         (print_scop): Print only the entry and exit blocks.
6303         (debug_scop): No longer static.
6304         (affine_expr): Fix formating.  Return also true when the expression is
6305         constant.
6306         (stmt_simple_for_scop_p): Fix formating.
6307         (build_scops): Use domwalk.
6308         (get_loop_start, end_scop, test_for_scop_bound): New.
6309         (graphite_transform_loops): Avoid printing on stderr.
6310         * graphite.h (debug_scop): Declared.
6311         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6312         * Makefile.in (graphite.o): Depend on domwalk.h.
6313         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6314         declarations for static functions.
6315         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6316         controlling output verbosity.
6317
6318 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6319             Plesco Alexandru  <shurikx@gmail.com>
6320
6321         * doc/invoke.texi (-fgraphite): Document.
6322         * tree-pass.h (pass_graphite_transforms): Declared.
6323         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6324         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6325         (pass_graphite_transforms): Defined.
6326         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6327         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6328         * graphite.c, graphite.h: New.
6329         * common.opt (fgraphite): Declared.
6330         * tree-flow.h (graphite_transform_loops): Declared.
6331         * Makefile.in (OBJS-common): Add graphite.o.
6332         (graphite.o): New rule.
6333         * passes.c (pass_graphite_transforms): Scheduled.
6334