gcc/ChangeLog.graphite

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