gcc/ChangeLog.graphite

   1 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
   4         instantiate_scev_not.  Handle NEGATE_EXPR.
   5         (instantiate_scev_r): Handle NEGATE_EXPR.
   6
   7 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
  10         instantiate_scev_r.
  11         (instantiate_scev_r): Move code in instantiate_scev_2
  12         and instantiate_scev_1.
  13
  14 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * tree-scalar-evolution.c (instantiate_scev_3): New.
  17         (instantiate_scev_1): Move code in instantiate_scev_3.
  18
  19 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  20
  21         * tree-scalar-evolution.c (instantiate_scev_poly): New.
  22         (instantiate_scev_1): Move code in instantiate_scev_poly.
  23
  24 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
  27         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
  28
  29 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  30
  31         * tree-scalar-evolution.c (instantiate_scev_convert): New.
  32         (instantiate_scev_1): Move code in instantiate_scev_convert.
  33
  34 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  35
  36         * tree-scalar-evolution.c (instantiate_scev_binary): New.
  37         (instantiate_scev_1): Move code in instantiate_scev_binary.
  38
  39 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  40
  41         * tree-scalar-evolution.c (instantiate_scev_name): New.
  42         (instantiate_scev_1): Move code in instantiate_scev_name.
  43
  44 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  45
  46         * Merge from mainline (150992:151171).
  47
  48 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * graphite-dependences.c (graphite_legal_transform_bb): Call
  51         pbb_remove_duplicate_pdrs.
  52         * graphite-poly.c (can_collapse_pdr): Removed.
  53         (pdr_find_duplicate): Removed.
  54         (can_collapse_pdrs): New.
  55         (pbb_remove_duplicate_pdrs): New.
  56         (new_poly_dr): Do not look for duplicates.
  57         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
  58         (PBB_PDR_DUPLICATES_REMOVED): New.
  59         (pbb_remove_duplicate_pdrs): Declared.
  60
  61 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
  64         the strides by multiplying by PDR_NB_REFS.
  65         * graphite-poly.c (can_collapse_pdr): New.
  66         (pdr_find_duplicate): New.
  67         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
  68         Initialize PDR_NB_REFS.
  69         * graphite-poly.h (struct poly_dr): Add field nb_refs.
  70         (PDR_NB_REFS): New.
  71         (new_poly_dr): Number of subscripts is a graphite_dim_t.
  72
  73 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         Revert one of the previous commits:
  76         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
  77         the computation of symmetric data dependence relations.
  78         (dependency_between_pbbs_p): Same.
  79
  80 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  81
  82         PR middle-end/40965
  83         * graphite-poly.c (apply_poly_transforms): Remove legality test before
  84         any transform.
  85
  86 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  87
  88         * graphite-dependences.c (pddr_original_scattering): Return NULL
  89         for read-read dependence relations.
  90         * graphite-poly.h (enum poly_dr_type): Fix comment.
  91         (pdr_read_p): New.
  92         (pdr_write_p): New.
  93         (pdr_may_write_p): New.
  94
  95 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
  98         (struct poly_dr): Same.
  99         (new_poly_dr): Same.
 100         * graphite-poly.c (new_poly_dr): Same.
 101
 102 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 103             Sebastian Pop  <sebastian.pop@amd.com>
 104
 105         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 106         pbb_strip_mine_time_depth.  Changed the implementation so that
 107         transformation is expressed as a transformation on
 108         time (scatttering) dimensions.  Also, ensures that the 2d+1
 109         scheduling format is preserved.
 110         (pbb_strip_mine_profitable_p): Profitability is based on the
 111         iteration number of a given time (scattering) dimension,
 112         and not on a original loop depth dimension.
 113         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 114         (pbb_do_strip_mine): Call psct_dynamic_dim.
 115         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 116         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 117         (pbb_nb_dynamic_scattering_transform): New.
 118         (psct_dynamic_dim): New.
 119
 120 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 121
 122         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 123         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 124         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 125         * graphite-interchange.c (build_linearized_memory_access): Same.
 126         (memory_stride_in_loop): Same.
 127
 128 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         * graphite-dependences.c (pddr_original_scattering): New.
 131         (graphite_legal_transform_dr): Call pddr_original_scattering.
 132         (dot_deps_1): New.
 133         (dot_deps): New.
 134         * graphite-dependences.h (dot_deps): Declared.
 135         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 136         (print_pdr): Print PDR_ID.
 137         * graphite-poly.h (struct poly_dr): Add field id.
 138         (PDR_ID): New.
 139         (pbb_index): New.
 140         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 141
 142 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 145         not delete the original dependence relation.
 146
 147 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 150         the computation of symmetric data dependence relations.
 151         (dependency_between_pbbs_p): Same.
 152
 153 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 154
 155         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 156         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 157         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 158         (free_poly_ddr): New.
 159         (pddr_is_empty): New.
 160         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 161         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 162         Remove fprintfs.
 163         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 164         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 165         * graphite-dependences.h (enum poly_dependence_kind): New.
 166         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 167         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 168         (PDRP_SINK): Renamed PDDR_SINK.
 169         (PDRP_DDP): Renamed PDDR_DDP.
 170         (PDDR_KIND): New.
 171         (free_poly_ddr): Declared.
 172         * graphite-poly.c (new_scop): Use the new hash function names.
 173         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 174         into original_pddrs.
 175         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 176
 177 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * Merge from mainline (150764:150992).
 180
 181 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 182
 183         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 184         bounds with LT_EXPR to make niter analysis more precise on code
 185         generated by Graphite.
 186
 187 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 188
 189         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 190         (graphite_legal_transform_bb): Same.
 191         (poly_drs_may_alias_p): Same.
 192
 193 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 194
 195         PR middle-end/40981
 196         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 197         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 198
 199 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 200
 201         * graphite-poly.c (print_pbb): Print PBB index.
 202
 203 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         * Merge from mainline (r150672:150764).
 206
 207 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 208
 209         * graphite-interchange.c (ppl_max_for_le): Moved...
 210         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 211         * graphite-ppl.c (ppl_max_for_le): ... here.
 212         * graphite-ppl.h (ppl_max_for_le): Declared.
 213
 214 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         * Merge from mainline (r150372:150672).
 217
 218 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         PR middle-end/40980
 221         * sese.c (convert_for_phi_arg): New.
 222         (add_guard_exit_phis): Use convert_for_phi_arg.
 223
 224         * testsuite/gfortran.dg/graphite/id-17.f: New.
 225
 226 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 229         unknown subscript upper bounds.
 230
 231         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 232
 233 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 234             Pranav Garg  <pranav.garg2107@gmail.com>
 235
 236         * graphite-interchange.c (gather_access_strides): Removed.
 237         (ppl_max_for_le): New.
 238         (build_linearized_memory_access): New.
 239         (memory_stride_in_loop): New.
 240         (pbb_interchange_profitable_p): Reimplemented.
 241         * graphite-ppl.h (ppl_new_id_map): New.
 242         (ppl_interchange): New.
 243
 244         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 245
 246 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-interchange.c (compute_subscript): Removed.
 249         (compute_array_size_cstr): Removed.
 250         (compute_array_size_poly): Removed.
 251         (compute_array_size): Removed.
 252         (gather_access_strides_poly): Removed.
 253         (gather_access_strides): Empty.
 254
 255 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 256
 257         * graphite-dependences.c (dependence_polyhedron_1): Replace
 258         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 259         (graphite_legal_transform_dr): Same.
 260         (graphite_carried_dependence_level_k): Same.
 261         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 262         Initialize PDR_NB_SUBSCRIPTS.
 263         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 264         PDR_NB_SUBSCRIPTS.
 265         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 266         (PDR_NB_SUBSCRIPTS): New.
 267         (pdr_nb_subscripts): Removed.
 268         (pdr_dim): Simplified.
 269         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 270         with PDR_NB_SUBSCRIPTS.
 271
 272 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * graphite-interchange.c (compute_array_size): Remove use of
 275         PDR_DATA_CONTAINER.
 276         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 277         Do not initialize PDR_DATA_CONTAINER.
 278         (print_pdr): Do not print PDR_DATA_CONTAINER.
 279         * graphite-poly.h (struct poly_dr): Remove data_container field.
 280         (PDR_DATA_CONTAINER): Removed.
 281         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 282         PDR_DATA_CONTAINER.
 283         (build_poly_dr): Same.
 284
 285 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 288
 289 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 290             Sebastian Pop  <sebastian.pop@amd.com>
 291
 292         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 293         copy of the dependence polyhedron.  Free the temporary objects.
 294         (graphite_carried_dependence_level_k): Free unused objects before
 295         returning.
 296
 297         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 298         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 299         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 300         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 301         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 302
 303 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 304
 305         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 306         Early return without analyzing the data dependences if no
 307         transform has been done.  Call restore_scattering if the transform
 308         is not legal.
 309         (graphite-interchange.c): Same.
 310         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 311         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 312         (apply_poly_transforms): Do not gcc_assert that
 313         the transform is legal.
 314         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 315         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 316         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 317         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 318         * graphite-poly.h (struct poly_scattering): New.
 319         (struct poly_bb): Add original, transformed, and saved fields.
 320         Remove transformed_scattering, original_scattering, nb_local_variables,
 321         and nb_scattering_transform fields.
 322         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 323         (poly_scattering_new): New.
 324         (poly_scattering_free): New.
 325         (poly_scattering_copy): New.
 326         (store_scattering_pbb): New.
 327         (store_scattering): New.
 328         (restore_scattering_pbb): New.
 329         (restore_scattering): New.
 330         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 331         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 332
 333 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 334
 335         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 336         (print_scop): Same.
 337
 338 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 339
 340         * Makefile.in (graphite.o): Depends on PREDICT_H.
 341         * graphite.c: Include predict.h.
 342         (graphite_finalize): Call tree_estimate_probability.
 343         * predict.c (predict_loops): Do not call scev_initialize and
 344         scev_finalize.
 345         (tree_estimate_probability_bb): New.
 346         (tree_estimate_probability): Do not initialize loops: move that
 347         code to the driver.  Call tree_estimate_probability_bb.
 348         (tree_estimate_probability_driver): New.
 349         (pass_profile): Use tree_estimate_probability_driver.
 350         * predict.h (tree_estimate_probability): Declared.
 351
 352 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 353
 354         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 355         * graphite-dependences.c (graphite_legal_transform): Add time to
 356         TV_GRAPHITE_DATA_DEPS.
 357         (dependency_between_pbbs_p): Same.
 358         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 359
 360 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * Merge from mainline (r149952:150372).
 363
 364 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 365
 366         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 367         * graphite-blocking.c: Same.
 368         * graphite-clast-to-gimple.c: Same.
 369         * graphite-dependences.c: Same.
 370         * graphite-poly.c: Same.
 371         * graphite-poly.h: Same.
 372         * graphite-ppl.c: Same.
 373         * graphite-scop-detection.c: Same.
 374         * graphite-sese-to-poly.c: Same.
 375         * graphite.c: Same.
 376
 377 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 378
 379         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 380         (remove_simple_copy_phi): New.
 381         (remove_invariant_phi): New.
 382         (simple_copy_phi_p): New.
 383         (reduction_phi_p): New.
 384         (gsi_for_ssa_name_def): New.
 385         (insert_out_of_ssa_copy): New.
 386         (insert_out_of_ssa_copy_on_edge): New.
 387         (create_zero_dim_array): New.
 388         (scalar_close_phi_node_p): New.
 389         (rewrite_close_phi_out_of_ssa): New.
 390         (rewrite_phi_out_of_ssa): New.
 391         (rewrite_reductions_out_of_ssa): New.
 392         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 393
 394         * testsuite/gcc.dg/graphite/id-11.c: New.
 395         * testsuite/gcc.dg/graphite/id-15.c: New.
 396         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 397         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 398         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 399         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 400         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 401         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 402         * testsuite/gfortran.dg/graphite/id-13.f: New.
 403         * testsuite/gfortran.dg/graphite/id-5.f: New.
 404
 405 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 408         check that nb_reductions_in_loop is zero.
 409         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 410         reduction phi nodes.
 411         (nb_reductions_in_loop): Removed.
 412         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 413         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 414         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 415         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 416         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 417
 418 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 421         statements that have an empty iteration domain.
 422         * testsuite/gfortran.dg/graphite/id-16.f: New.
 423
 424 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * tree-scalar-evolution.c (instantiate_scev_1): Return
 427         chrec_dont_know when the result is not above instantiate_below.
 428         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 429         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 430         the tree has a known scalar evolution.
 431         * testsuite/gfortran.dg/graphite/id-14.f: New.
 432         * testsuite/gfortran.dg/graphite/id-15.f: New.
 433
 434 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 435
 436         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 437         insert_gsi.
 438         (rename_variables): Keep inserting renames after the ones already
 439         inserted.
 440
 441 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 442
 443         * graphite-sese-to-poly.c (compare_bb_depths): New.
 444         (graphite_sort_dominated_info): New.
 445         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 446         (build_scop_scattering): Fix comment.
 447
 448 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * graphite.c (graphite_finalize): Call print_loops instead of
 451         dump_function_to_file.
 452         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 453         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 454         loops generated in the graphite output file.
 455         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 456         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 457         * testsuite/gfortran.dg/graphite/id-12.f: New.
 458
 459 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 460
 461         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 462         Remove 2 XFAIL.
 463
 464 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 465             Tobias Grosser  <grosser@fim.uni-passau.de>
 466
 467         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 468         alias set number build alias in ACCESSES polyhedron.
 469         (build_alias_set_for_drs): New.
 470         (build_pbb_drs): Added build_alias_set_for_drs.
 471         * graphite-dependences.c (poly_drs_may_alias_p): New.
 472         (graphite_carried_dependence_level_k): Check alias information
 473         before building polyhedron.
 474
 475 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 476
 477         * Makefile.in (lambda-code.o): Fix formatting.
 478
 479 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 480
 481         * Merge from mainline (r149350-149952)
 482
 483 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 484
 485         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 486         before interchange to prepare for loop blocking.
 487
 488 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 489
 490         * graphite-poly.c (apply_poly_transforms): Add checks after every
 491         transformation.
 492         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 493         done in apply_poly_transforms.
 494
 495 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 496
 497         * graphite-dependences.c (build_lexicographically_gt_constraint):
 498         Replace RES parameter with *RES.
 499         (dependence_polyhedron_1): Pass an address of the parameter RES
 500         instead of value of RES.
 501
 502 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 503
 504         * graphite.c (graphite_finalize): Fix comment.
 505         (graphite_transform_loops): Reset scev info after code generation
 506         of each scop.
 507
 508 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 509
 510         * graphite.c (graphite_finalize): Call scev_reset.
 511
 512 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 515         GBB_CLOOG_IV_TYPES hash table twice.
 516         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 517         (add_condition_to_domain): Clear GMP values.
 518
 519 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         * graphite-dependences.c: Fix formatting.
 522         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 523         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 524         * graphite-sese-to-poly.c: Fix formatting.
 525         * graphite.c (graphite_transform_loops): Create the hash table
 526         after the early return.
 527
 528 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 529
 530         * testsuite/gcc.dg/graphite/id-14.c: New.
 531         * testsuite/gcc.dg/graphite/pr40157.c: New.
 532         * testsuite/gfortran.dg/graphite/id-11.f: New.
 533
 534 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 535
 536         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 537         (build_poly_scop): Return false when there are no pbbs within
 538         loops to avoid to pass to cloog scops with no loops.
 539
 540 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 543         useless test "i % 2".
 544         (build_pbb_scattering_polyhedrons): Fix formatting.
 545         (build_poly_dr): Same.
 546         * graphite.c (graphite_transform_loops): Restructure.
 547
 548 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 549
 550         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 551         reduction_list parameter.
 552         (rewrite_all_phi_nodes_with_iv): Same.
 553         (canonicalize_loop_ivs): Same.
 554         * tree-parloops.c (struct brli): Removed.
 555         (build_reduction_list_info): Removed.
 556         (build_new_reduction): New.
 557         (analyze_reduction_list): Removed.
 558         (gather_scalar_reductions): Find reductions instead of phi
 559         nodes that can't be canonicalized.
 560         (try_create_reduction_list): Remove reduction_list parameter.
 561         (gen_parallel_loop): Same.
 562         (parallelize_loops): Remove analyze_reductions variable,
 563         initialization and free.
 564         Change reduction_list htab initialization to reduction_info
 565         elements instead of ssa names.
 566         Call try_create_reduction_list and gen_parallel_loop without
 567         analyzed_reduction argument.
 568         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 569         canonicalize_loop_ivs with one less argument.
 570         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 571
 572 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 573
 574         * graphite-dependences.c (new_poly_dr_pair): New.
 575         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 576         (new_poly_dr_pair): New.
 577         (eq_poly_dr_pair_p): New.
 578         (hash_poly_dr_pair_p): New.
 579         * graphite-dependences.h (struct poly_dr_pair): New.
 580         (eq_poly_dr_pair_p): Declared.
 581         (hash_poly_dr_pair_p): Declared.
 582         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 583         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 584         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 585         * Makefile.in (graphite-poly.o): Add dependence on
 586         graphite-dependences.h.
 587
 588 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 591         polynomials of degree > 1 pass to Graphite.
 592         * tree-chrec.c (scev_is_linear_expression): Call
 593         evolution_function_is_affine_multivariate_p.
 594         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 595
 596 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 599         Instantiate scevs varying in outer loops.
 600         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 601
 602 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 605         redundant constraint.
 606
 607 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 610         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 611         based on the file names as in the C testsuite.
 612         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 613         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 614         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 615         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 616         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 617         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 618         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 619         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 620         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 621         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 622         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 623         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 624         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 625
 626 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 627
 628         * sese.c (expand_scalar_variables_call): New.
 629         (expand_scalar_variables_ssa_name): Handle calls in expander.
 630
 631 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 634         Expect to see the pattern twice.
 635         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 636         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 637         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 638
 639 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 640
 641         * testsuite/gcc.dg/graphite/id-10.c: New.
 642         * testsuite/gcc.dg/graphite/id-12.c: New.
 643         * testsuite/gfortran.dg/graphite/id-7.f: New.
 644         * testsuite/gfortran.dg/graphite/id-8.f: New.
 645
 646 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 647
 648         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 649         zero.
 650
 651 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 652
 653         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 654
 655 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 656
 657         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 658
 659 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 660
 661         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 662         building PDR subscripts.
 663
 664 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 667         computation of array sizes.
 668
 669 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 670
 671         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 672
 673 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 674
 675         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 676         build_pairwise_constraint, dr_equality_constraints,
 677         build_pairwise_scheduling_equality,
 678         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 679         build_lexicographically_gt_constraint, dependence_polyhedron,
 680         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 681         Move from NNC_Polyhedron to C_Polyhedron.
 682         * graphite-interchange.c (compute_array_size_poly,
 683         gather_access_strides): Dito.
 684         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 685         free_scop, pbb_number_of_iterations): Dito.
 686         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 687         pbb_dim_iter_domain, struct scop): Dito.
 688         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 689         new_Cloog_Domain_from_ppl_Polyhedron,
 690         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 691         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 692         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 693         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 694         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 695         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 696         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 697         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 698         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 699         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 700         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 701         build_scop_iteration_domain, build_poly_dr): Dito
 702
 703 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 706         run-id-*.c files.
 707         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 708
 709 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 712         positivity constraint on the symbolic number of iterations.
 713
 714 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 717
 718 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 719             Tobias Grosser  <grosser@fim.uni-passau.de>
 720
 721         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 722         (build_cloog_prog): Directly use SCOP_CONTEXT.
 723         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 724         (free_scop): Free SCOP_CONTEXT.
 725         (print_scop_context): New.
 726         (print_scop): Call print_scop_context.
 727         (debug_scop_context): New.
 728         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 729         (struct scop): Added field context.
 730         (SCOP_CONTEXT): New.
 731         * graphite-sese-to-poly.c (add_param_constraints): New.
 732         (build_scop_context): New.
 733         (build_poly_scop): Call build_scop_context.
 734
 735 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 736
 737         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 738         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 739         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 740         * graphite-ppl.h: Include double-int.h and tree.h.
 741         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 742         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 743         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 744         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 745
 746 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 747
 748         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 749         POINTER_PLUS_EXPR for pointer types.
 750         (clast_to_gcc_expression): Same.
 751
 752 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-poly.c (print_scattering_function): Early return when
 755         PBB_TRANSFORMED_SCATTERING is not initialized.
 756         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 757
 758 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 759
 760         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 761         to fix bootstrap.
 762
 763 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 764
 765         * tree-parloops.c (analyze_reduction_list): Change return
 766         value to void.
 767         (try_create_reduction_list): Move the call to
 768         analyze_reduction_list to the beginining.
 769         Call reduction_phi with analyzed_reductions as argument
 770         instead of reduction_list.
 771
 772 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 773
 774         *  Merge from mainline (r148296:149346)
 775
 776 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 777
 778         * graphite-scop-detection.c (graphite_can_represent_init): New.
 779         (graphite_can_represent_scev): Call graphite_can_represent_init:
 780         check that the initial value does not contain multiplications of
 781         parameters.
 782         (stmt_has_simple_data_refs_p): New.
 783         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 784         (is_simple_operand): Fix formatting.
 785         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 786
 787 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 788
 789         * testsuite/gcc.dg/graphite/id-13.c: New.
 790         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 791         analyze_scalar_evolution, use scalar_evolution_in_region.
 792         (scan_tree_for_params_right_scev): Add extra assert.
 793         (parameter_index_in_region_1): Split from parameter_index_in_region.
 794         (idx_record_params): Use scalar_evolution_in_region.
 795         (find_params_in_bb): Same.
 796         (find_scop_parameters): Same.
 797         (build_loop_iteration_domains): Same.
 798         (create_linear_expr_from_tree): Same.
 799         * sese.c (scalar_evolution_in_region): New.
 800         * sese.h (scalar_evolution_in_region): Declared.
 801         (defined_in_sese_p): New.
 802         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 803         static anymore.
 804         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 805         Declared.
 806
 807 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 810         TREE_DATA_REF_H also implies SCEV_H.
 811
 812 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 813
 814         * graphite-poly.c (print_scop_params): New.
 815         (print_scop): Call print_scop_params.
 816         (debug_scop_params): New.
 817         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 818
 819 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 820
 821         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 822         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 823         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 824         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 825         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 826         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 827
 828 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 829
 830         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 831         for dependency checking part.
 832         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 833         tests for dependency checking.
 834         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 835         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 836         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 837         flag -fdump-tree-graphite-all for autopar testsuites.
 838
 839 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 840
 841         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 842         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 843         canonicalize_loop_ivs): Moved...
 844         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 845
 846 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * tree-parloops.c (try_create_reduction_list): Pass an extra
 849         argument analyzed_reductions.  Call analyze_reduction_list.
 850         (gen_parallel_loop): Do not call analyze_reduction_list.
 851         (parallelize_loops): Init and finalize analyzed_reductions.
 852
 853 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 854
 855         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 856         Added flag -fno-loop-strip-mine for autopar testcase.
 857
 858 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 859
 860         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 861         transformed scattering dimension instead of unmatch orignal when
 862         calling dependence_polyhedron.
 863
 864 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 867
 868 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 869
 870         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 871         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 872
 873 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 874
 875         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 876         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 877         * graphite-poly.c (pbb_number_of_iterations): New.
 878         * graphite-poly.h (pbb_number_of_iterations): Declared.
 879         (pbb_iterator_dim, pbb_parameter_dim): New.
 880
 881 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 884         last commit on type of lower and upper bound of loops.
 885
 886 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 887
 888         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 889         graphite-dependences.h.
 890         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 891         (mark_bb_with_pbb): New.
 892         (get_stmtfor_depth): New.
 893         (find_pbb_via_hash): New.
 894         (dependency_in_loop_p): New.
 895         (mark_loops_parallel): New.
 896         (free_aux_in_new_loops): New.
 897         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 898         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 899         innermost loop parallel without checking.
 900         (gloog): Add parameter BB_PBB_MAPPING.
 901         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 902         (gloog): Change declaration.
 903         (mark_loop_parallel): Make extern.
 904         (free_aux_in_new_loops): Declare.
 905         (bb_pbb_map_hash): New.
 906         (eq_bb_pbb_map): New.
 907         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 908         auto parallelization when flag_graphite_force_parallel is set.
 909         (graphite_finalize): Added free_aux_in_new_loops.
 910         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 911         the innermost loop that marked parallel.  Use
 912         flag_graphite_force_parallel instead of loop->can_be_parallel.
 913         (loop_parallel_p): Move inner most checking out of function.
 914
 915 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 916
 917         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 918         type of lower and upper bound of loops signed long int.
 919
 920 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 921
 922         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 923         expression outside the loop.
 924
 925 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 926
 927         * gcc.dg/graphite/interchange-8.c: New.
 928
 929 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 930
 931         * gcc.dg/graphite/interchange-0.c: XFailed.
 932         * gcc.dg/graphite/interchange-5.c: XFailed.
 933         * gcc.dg/graphite/interchange-6.c: XFailed.
 934
 935 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 936
 937         * graphite-interchange.c (compute_array_size_poly): The end of the
 938         recursion should return 1.
 939
 940 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 941
 942         * graphite-interchange.c (compute_array_size_cstr): Allow the
 943         subscript multiplier to be -1.
 944         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 945         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
 946         data_container.  Initializes PDR_DATA_CONTAINER.
 947         (print_pdr_access_layout): New.
 948         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
 949         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
 950         data_container.
 951         (PDR_DATA_CONTAINER): New.
 952         (new_poly_dr): Update declaration.
 953         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
 954         (build_poly_dr): Call pdr_add_data_dimensions.
 955
 956 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         * graphite-poly.h (struct poly_dr): Fix comment.
 959         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
 960         (pdr_add_memory_accesses): New.
 961         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
 962
 963 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 964
 965         * graphite-poly.c (print_pdrs, debug_pdrs): New.
 966         (print_pbb): Add call to print_pdrs.
 967         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
 968
 969 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 970             Li Feng <nemokingdom@gmail.com>
 971
 972         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
 973         (dependency_between_pbbs_p): New.
 974         (lexicographically_gt_p): Assure !empty_p before polyhedron
 975         intersection assign.
 976         (build_lexicographically_gt_constraint): Correct lexicographically
 977         judging.
 978         * graphite-dependences.h: New.
 979         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
 980
 981 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 982
 983         * graphite-clast-to-gimple.c (print_clast_stmt): New.
 984         (gloog): Print to dump_file the generated clast.
 985         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
 986         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
 987
 988 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 989
 990         * graphite-poly.c (extend_scattering): Increment
 991         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
 992
 993 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 994
 995         * graphite-interchange.c (compute_array_size_poly): Added exit of
 996         recursion condition.  Continue iterating even after the first equality.
 997         (compute_array_size): Same.
 998
 999 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1000
1001         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1002         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1003         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1004         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1005         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1006
1007 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1010         only when the use verifies is_gimple_reg.
1011
1012 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1013
1014         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1015         Allocate scaldims after call to unify_scattering_dimensions.
1016
1017 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1020
1021 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1022             Albert Cohen  <albert.cohen@inria.fr>
1023
1024         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1025         variables for the strip mining.
1026
1027 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1028             Pranav Garg  <pranav.garg2107@gmail.com>
1029
1030         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1031         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1032         (graphite-blocking.o): New rule.
1033         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1034         * graphite-blocking.c: New.
1035         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1036         flag_loop_strip_mine.
1037         (psct_scattering_dim_for_loop_depth): New.
1038         * graphite-poly.h (scop_do_strip_mine): Declared.
1039         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1040         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1041         flag_loop_strip_mine.
1042
1043 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1044
1045         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1046         a GMP value and a PPL coefficient at each iteration of a loop.
1047
1048 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1049
1050         * graphite-dependences.c (dependence_polyhedron): Do not use
1051         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1052         pbb_nb_scattering_transform.
1053         (graphite_legal_transform_dr): Same.
1054         * graphite-poly.c (extend_scattering): Same.
1055         (unify_scattering_dimensions): Same.
1056         (print_scattering_function): Same.
1057         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1058         PBB_NB_LOCAL_VARIABLES.
1059         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1060         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1061         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1062         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1063         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1064         (pbb_nb_scattering_transform): New.
1065         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1066         (psco_scattering_dim): Add assert on parameters.
1067         (psct_scattering_dim): Same.
1068         (psct_scattering_dim_for_loop_depth): Declared.
1069         (psct_local_var_dim): New.
1070         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1071         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1072         correct layout, call pbb_nb_local_vars.
1073         (psct_add_local_variable, psct_add_scattering_dimension): New.
1074         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1075         Initialize PBB_NB_SCATTERING_TRANSFORM.
1076
1077 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1080         (set_coef): Renamed ppl_set_coef.
1081         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1082
1083 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1086         test a boolean against 1.
1087         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1088         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1089         (pbb_do_interchange): Returns true when a transform has been performed.
1090         (scop_do_interchange): Same.
1091         * graphite-poly.c (apply_poly_transforms): Use the return value of
1092         scop_do_interchange.
1093         * graphite-poly.h (scop_do_interchange): Update declaration.
1094
1095 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1096
1097         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1098         after last use.
1099         * sese.c (sese_reset_aux_in_loops): New.
1100         * sese.h (sese_reset_aux_in_loops): New.
1101
1102 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1105         multiplier and multiply the constant by the multiplier.
1106         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1107         (build_poly_dr): Do not use the multiplier to define the subscript.
1108
1109 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1110
1111         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1112         compiler's data reference.  Initialize PDR_CDR.
1113         (print_pdr): Call dump_data_reference.
1114         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1115         Add compiler_dr field.
1116         (PDR_BB): Renamed PDR_PBB.
1117         (PDR_CDR): New.
1118         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1119         GCC's data reference representation.
1120         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1121         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1122
1123 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1124
1125         * graphite-poly.c (print_scattering_function): Also print the layout.
1126         * graphite-poly.h (pbb_nb_local_vars): New.
1127
1128 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1131
1132 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1133
1134         * graphite-poly.c (print_pdr, debug_pdr): New.
1135         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1136         (PDR_BASE): Removed.
1137
1138 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1139
1140         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1141         ltrans-{1..6,8}.c.
1142
1143 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1144
1145         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1146         subscript identification column.
1147         (pbb_do_interchange): Print to dump_file that some loops "will be
1148         interchanged".  Rely on that chain of characters in the testcases.
1149         * gcc.dg/graphite/interchange-0.c: New.
1150         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1151         interchange-*.c files and compile them with -floop-interchange.
1152
1153 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1154
1155         * graphite-interchange.c (interchange_profitable_p): Renamed
1156         pbb_interchange_profitable_p.
1157
1158 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1159             Harsha Jagasia  <harsha.jagasia@amd.com>
1160             Pranav Garg  <pranav.garg2107@gmail.com>
1161
1162         * graphite-interchange.c (interchange_profitable_p): Make static.
1163         (pbb_interchange_loop_depths, pbb_do_interchange,
1164         scop_do_interchange): New.
1165         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1166         for flag_loop_interchange.
1167         * graphite-poly.h (scop_do_interchange): Declared.
1168         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1169         flag_loop_interchange is used.
1170
1171 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-dependences.c (dependence_polyhedron): Update use of
1174         pbb_nb_scattering_dims.
1175         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1176         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1177         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1178         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1179
1180 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1181
1182         * graphite.c: Cleanup foo.
1183
1184 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1185
1186         * Merge from mainline (r143684:148293).
1187         * Disabled libpcp until it gets fixed.
1188
1189 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1190             Harsha Jagasia  <harsha.jagasia@amd.com>
1191
1192         * graphite-interchange.c: New.
1193         * Makefile.in (graphite-interchange.o): New.
1194         * graphite-poly.h (interchange_profitable_p): Declared.
1195         * graphite-ppl.h (value_max): New.
1196
1197 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1200         * graphite-poly.h: Fix some comments.
1201         (pdr_dim): New.
1202         (pdr_scop): New.
1203
1204 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1205
1206         * graphite-poly.h
1207         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1208         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1209         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1210         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1211         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1212         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1213         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1214         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1215         * graphite-clast-to-gimple.c: Same.
1216         * graphite-dependences.c: Same.
1217         * graphite-poly.c: Same.
1218         * graphite-sese-to-poly.c: Same.
1219
1220 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1223         expressions for an IV rename, as returned by clast_to_gcc_expression.
1224         (copy_renames): Rename new_name to expr.
1225         * sese.c (debug_rename_elt): Same.
1226         (get_rename): Same.
1227         (set_rename): Same.
1228         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1229         the information from the rename map.
1230         (rename_variables_in_stmt): Same.
1231         (add_loop_exit_phis): Rename new_name to expr.
1232         (insert_loop_close_phis): Same.
1233         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1234         * sese.h (struct rename_map_elt): Rename new_name to expr.
1235         (new_rename_map_elt): Same.
1236
1237 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1240         * sese.c (set_rename): Make it extern.
1241         * sese.h (set_rename): Declared.
1242
1243 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-poly.c (extend_scattering): Free values.
1246         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1247         Free iterators.
1248         (ppl_print_powerset_matrix): Same.
1249         * graphite-scop-detection.c (free_scops_1): New.
1250         (limit_scops): Call free_scops_1.
1251         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1252         (build_poly_dr): Free PPL coefficients.
1253         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1254
1255 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1256
1257         * graphite-dependences.c: New.
1258         * graphite-data-ref.c: Removed.
1259         * graphite-data-ref.h: Removed.
1260         * Makefile.in (graphite-data-ref.o): Removed.
1261         (graphite-dependences.o): Added.
1262         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1263         * graphite-poly.c: Same.
1264         Move the data dependence testing to graphite-dependences.c.
1265
1266 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1267
1268         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1269         from graphite_cannot_represent_loop. Code refactored.
1270         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1271
1272 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1273
1274         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1275         Cover all the testcases (not only the filtered ones).
1276
1277 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1278
1279         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1280         unnecessary check. Update comments. Move check for REAL_TYPE here.
1281         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1282         done in (stmt_simple_for_scop_p).
1283
1284 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1285
1286         * graphite.c (print_global_statistics): New.
1287         (print_graphite_scop_statistic): New.
1288         (print_graphite_statistics): New.
1289         (graphite_initialize, graphite_transform_loops): Print statistics.
1290         * graphite-scop-detection (build_scops): Print statistics.
1291         (print_graphite_scop_statistics): New.
1292         (print_graphite_statistics): New.
1293
1294 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1297         (debug_clast_name_index): Removed.
1298         (debug_clast_name_indexes_1): Removed.
1299         (debug_clast_name_indexes): Removed.
1300         (clast_name_index_elt_info): Removed.
1301         (eq_clast_name_indexes): Removed.
1302         (clast_name_to_index): Removed.
1303         (new_clast_name_index): Removed.
1304         (save_clast_name_index): Removed.
1305         (save_var_name): Moved...
1306         (init_sese_params_index): Removed.
1307         (clast_name_to_gcc): Remove use of name_tree.
1308         (initialize_cloog_names): Same.
1309         (gloog): Do not call init_sese_params_index.
1310         * graphite-sese-to-poly.c (save_var_name): ...here.
1311         (parameter_index_in_region): New.
1312         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1313         (parameter_index_in_region): Removed.
1314         (is_parameter): Remove use of name_tree.
1315         * sese.h (struct name_tree): Removed.
1316         (struct sese): Remove use of name_tree.  New field params_names.
1317         (SESE_PARAMS_NAMES): New.
1318         (SESE_PARAMS): Remove duplicate.
1319         (parameter_index_in_region): Removed.
1320         (sese_nb_params): Remove use of name_tree.
1321         (struct clast_name_index): New.
1322         (new_clast_name_index): New.
1323         (clast_name_to_index): New.
1324         (save_clast_name_index): New.
1325         (debug_clast_name_index): New.
1326         (debug_clast_name_indexes_1): New.
1327         (debug_clast_name_indexes): New.
1328         (clast_name_index_elt_info): New.
1329         (eq_clast_name_indexes): New.
1330
1331 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1334         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1335         (graphite_loop_normal_form): Do not pass region.  Do not
1336         initialize SESE_OLDIVS.
1337         (build_graphite_loop_normal_form): Update call to
1338         graphite_loop_normal_form.
1339         * sese.c (debug_oldivs): Removed.
1340         (new_sese): Do not initialize SESE_OLDIVS.
1341         (free_sese): Do not free SESE_OLDIVS.
1342         (oldiv_for_loop): Removed.
1343         * sese.h (struct sese): Remove old_ivs.
1344         (SESE_OLDIVS): Removed.
1345         (oldiv_for_loop): Removed.
1346
1347 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1350         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1351         replaced by a call to newivs_to_depth_to_newiv.
1352         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1353         (clast_to_gcc_expression_red): Same.
1354         (gcc_type_for_clast_expr): Same.
1355         (gcc_type_for_clast_eq): Same.
1356         (graphite_translate_clast_equation): Same.
1357         (graphite_create_guard_cond_expr): Same.
1358         (graphite_create_new_guard): Same.
1359         (graphite_create_new_loop): Same.
1360         (build_iv_mapping): Same.
1361         (translate_clast): Same.
1362         (gloog): Same.
1363         (loop_iv_stack_patch_for_consts): Removed.  *
1364         sese.c (iv_stack_entry_is_constant): Removed.
1365         (iv_stack_entry_is_iv): Removed.
1366         (loop_iv_stack_push_iv): Removed.
1367         (loop_iv_stack_insert_constant): Removed.
1368         (loop_iv_stack_pop): Removed.
1369         (loop_iv_stack_get_iv): Removed.
1370         (loop_iv_stack_get_iv_from_name): Removed.
1371         (debug_loop_iv_stack): Removed.
1372         (free_loop_iv_stack): Removed.
1373         (loop_iv_stack_remove_constants): Removed.  *
1374         sese.h (iv_stack_entry_kind): Removed.
1375         (iv_stack_entry_data_union): Removed.
1376         (iv_stack_entry_struct): Removed.
1377         (iv_stack_entry_p): Removed.
1378         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1379         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1380         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1381         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1382         (gbb_loop_at_index): Fix indenting.
1383         (gbb_loop_index): Removed.
1384
1385 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1388         Call clast_name_to_index.
1389
1390 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1393         do not pass params.  Get params from SESE_PARAMS.
1394         (clast_to_gcc_expression): Same.
1395         (clast_to_gcc_expression_red): Same.
1396         (gcc_type_for_clast_eq): Same.
1397         (graphite_translate_clast_equation): Same.
1398         (graphite_create_new_loop): Same.
1399         * sese.c (rename_variables_in_stmt): Fix comment.
1400
1401 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1404         newivs_index.
1405         Call save_clast_name_index.
1406         (translate_clast): Pass newivs_index.
1407         (gloog): Create and free newivs_index.
1408
1409 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1410
1411         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1412         (clast_name_index_p): New type.
1413         (debug_clast_name_index): New.
1414         (debug_clast_name_indexes_1): New.
1415         (debug_clast_name_indexes): New.
1416         (clast_name_index_elt_info): New.
1417         (eq_clast_name_indexes): New.
1418         (clast_name_to_index): New.
1419         (new_clast_name_index): New.
1420         (save_clast_name_index): New.
1421         (init_sese_params_index): New.
1422         (gloog): Call init_sese_params_index.
1423         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1424         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1425         (free_sese): Free SESE_PARAMS_INDEX.
1426         * sese.h (struct sese): Add params_index.
1427         (SESE_PARAMS_INDEX): New.
1428
1429 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1430
1431         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1432         (graphite_create_new_loop): Pass the newivs vector.  Push the
1433         newly created IV to newivs.
1434         (translate_clast): Pass the newivs vector.
1435         (gloog): Create and destroy the newivs vector.
1436
1437 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1438
1439         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1440         (graphite_loop_normal_form): Initialize loop->aux with the unique
1441         IV that has been created.
1442
1443 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1444
1445         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1446         scev with parameters in the base part. They where forbidden
1447         exidently.
1448
1449 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1450
1451         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1452         compile options by file names.
1453         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1454         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1455         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1456         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1457
1458 2009-05-08  Li Feng <nemokingdom@gmail.com>
1459
1460         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1461         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1462         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1463         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1464
1465 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1466
1467         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1468         by final cleanup.
1469
1470 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1471
1472         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1473         allow integer constant strides.
1474         (graphite_can_represent_expr): Depend on outermost_loop.
1475         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1476         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1477         build_scops_1): Same.
1478         (scopdet_basic_block_info): Same and insert layered SCoP
1479         detection.
1480         (try_generate_gimple_bb): Cleanup.
1481         (build_scops): Enable data references.
1482
1483         * testsuite/gcc.dg/graphite/id-5.c: New.
1484         * testsuite/gcc.dg/graphite/id-9.c: New.
1485         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1486         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1487
1488 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1489
1490         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1491         that we have not yet built for this SCoP.
1492
1493 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1494
1495         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1496         for complex numbers.
1497
1498 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1499
1500         * graphite-ppl.c: Fix build if cloog is not available.
1501
1502 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1503
1504         * tree-parloops.c (loop_parallel_p): Remove construction of
1505         NITER and REDUCTION_LIST.
1506         (try_get_loop_niter): New.
1507         (try_create_reduction_list): New.
1508         (parallelize_loops): Bypass the failed checkings in autopar
1509         when can_be_parallel in loop structure is set to true.
1510
1511 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1512
1513         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1514         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1515
1516 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1517
1518         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1519         Enable EQ_EXPR and NE_EXPR again.
1520
1521 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1522
1523         * graphite-scop-detection.c (graphite_can_represent_scev):
1524         Add check if scev is affine multivariate.
1525         (harmful_stmt_in_bb): Check if we can represent the conditions.
1526         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1527         harmful_stmt_in_bb.
1528         * testsuite/gcc.dg/graphite/id-7.c: New.
1529
1530 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1531
1532         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1533         Check all bbs in region, not only the bbs that are represented in
1534         GRAPHITE.
1535         (build_poly_scop): Add newline.
1536         * testsuite/gcc.dg/graphite/id-8.c: New.
1537
1538 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1539
1540         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1541         when loop initialize.
1542         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1543         * common.opt: Declare flag_graphite_force_parallel.
1544         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1545         loop parallel.
1546         * graphite-poly.c (apply_poly_transforms): Introduce
1547         flag_graphite_force_parallel.
1548         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1549         * toplev.c (process_options): ditto and replace a not correctly
1550         encoded space.
1551
1552 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1553
1554         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1555         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1556         to the redefinition.
1557         (compute_cloog_iv_types_1): ditto.
1558         (build_iv_mapping): ditto.
1559         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1560         initialization.
1561         (free_gimple_bb): Removed GBB_LOOPS related free part.
1562         (build_bb_loops): Removed.
1563         * sese.h (struct gimple_bb): Removed loops.
1564         (GBB_LOOPS): Removed.
1565         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1566         (gbb_loop_index): ditto.
1567
1568 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1569
1570         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1571         allow non constant strides.
1572         * testsuite/gcc.dg/graphite/scop-20.c: New.
1573
1574 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         * graphite-scop-detection.c (dot_all_scops): Fix system call
1577         return value warning.
1578         (dot_scop): Same.
1579
1580 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1583         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1584
1585 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1588         build_pairwise_constraint, dr_equality_constraints,
1589         build_pairwise_scheduling_equality,
1590         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1591         build_lexicographically_gt_constraint, dependence_polyhedron,
1592         graphite_legal_transform_dr, graphite_legal_transform_bb,
1593         graphite_legal_transform): New.
1594         * graphite-poly.h (graphite_legal_transform): Declared.
1595         * graphite-sese-to-poly.c (build_poly_scop): Call to
1596         graphite_legal_transform is disabled for the moment.
1597
1598 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1599
1600         * graphite-poly.h (pbb_nb_scattering_dims): New.
1601         (pbb_nb_scattering): Use it.
1602
1603 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1606         Pointset_Powerset version of ppl_insert_dimensions.
1607         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1608
1609 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1612
1613 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1614
1615         * graphite-poly.h: Fix comment.
1616
1617 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1618
1619         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1620
1621 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1622
1623         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1624         statements.
1625
1626 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1627
1628         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1629         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1630         conditions.
1631
1632 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1633
1634         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1635         handle EQ_EXPR and NE_EXPR.
1636
1637 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1638
1639         * graphite-poly.h (poly_dr): Fix comment.
1640
1641 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1642             Tobias Grosser  <grosser@fim.uni-passau.de>
1643
1644         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1645         with a zero dimension polyhedron.
1646         (find_scop_parameters): Move the call to scop_set_nb_params here.
1647         (build_loop_iteration_domains): Store in loop->aux the iteration
1648         domain polyhedron.
1649         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1650         by any loop in scop.
1651         (build_poly_scop): Do not call scop_set_nb_params.
1652
1653 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1654             Tobias Grosser  <grosser@fim.uni-passau.de>
1655
1656         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1657         add_condition_to_domain not GT_EXPR.
1658
1659 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1660
1661         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1662         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1663         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1664         upper_bound_assign to calculate unions.
1665         * testsuite/gcc.dg/graphite/id-6.c: New.
1666
1667 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1668
1669         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1670         handle abnormal edges.
1671
1672 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1673
1674         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1675         (free_poly_bb): Also free poly_drs.
1676         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1677         (poly_dr): Polyhedron to Pointset_Powerset.
1678         (pdr_accessp_nb_subscripts): Same.
1679         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1680         poly_drs.
1681
1682 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1685         names into more meaningful names.
1686
1687 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1690         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1691
1692 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1693
1694         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1695         the reduction_list.
1696         * tree-parloops.c (rewrite_phi_with_iv): New.
1697         (rewrite_all_phi_nodes_with_iv): New.
1698         (canonicalize_loop_ivs): Call them.
1699
1700 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1703         graphite_find_data_references_in_stmt.
1704         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1705         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1706
1707 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1708
1709         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1710
1711 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1712
1713         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1714         instead of bb_in_region.
1715         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1716         (build_sese_conditions): Use flag_bb_in_sese.
1717         * sese.c (register_bb_in_sese): Removed.
1718         (new_sese): Remove initialization of SESE_REGION_BBS.
1719         (free_sese): Do not free SESE_REGION_BBS.
1720         * sese.h (struct sese): Remove field region_basic_blocks.
1721         (SESE_REGION_BBS): Removed.
1722         (bb_in_sese_p): Implement in function of bb_in_region.
1723
1724 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1727         loops.
1728
1729 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1730
1731         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1732         and EQ_EXPR.
1733         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1734         (add_condition_to_domain): New.
1735         (add_condition_to_pbb): New.
1736         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1737         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1738
1739 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1740
1741         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1742         ppl_Pointset_Powerset.
1743         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1744         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1745         (pbb_nb_loops): Same.
1746         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1747         add_conditions_to_domain): Same.
1748         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1749         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1750         ppl_const_Polyhedron_t.
1751         (ppl_print_powerset_matrix): New.
1752         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1753         ppl_print_powerset_matrix): New.
1754         (ppl_print_polyhedron_matrix): Updated.
1755
1756 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1757
1758         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1759
1760 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1763         (print_iteration_domains, debug_iteration_domain,
1764         debug_iteration_domains): New.
1765         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1766         debug_iteration_domains): Declared.
1767         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1768         indenting.
1769
1770 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1771             Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * graphite-poly.h (print_iteration_domain): New.
1774         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1775         (build_sese_conditions_1, build_sese_conditions_after,
1776         build_sese_conditions_before): New.
1777         (build_sese_conditions): Rewritten.
1778
1779 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1780             Tobias Grosser  <grosser@fim.uni-passau.de>
1781
1782         Cleanup of code generation liveouts.
1783         * graphite-clast-to-gimple.c (translate_clast): Use a single
1784         rename_map instead of one per translated statement.
1785         Do not use SESE_LIVEOUT_RENAMES.
1786         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1787         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1788         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1789         phi node of a reduction: when a loop contains a reduction used outside
1790         the loop, there should be a scalar close phi node on the exit block.
1791         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1792         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1793         (free_sese): Do not free them.
1794         (sese_build_liveouts_use): Do not use them.
1795         (sese_build_liveouts_bb): Same.
1796         (sese_build_liveouts): Same.
1797         (sese_insert_phis_for_liveouts): Same.
1798         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1799         (defined_in_loop_p): New.
1800         (alive_after_loop): New.
1801         (close_phi_not_yet_inserted_p): New.
1802         (struct alep, alep_p): New.
1803         (add_loop_exit_phis): Remove from the rename_map all the names defined
1804         in the code generated loop.
1805         (insert_loop_close_phis): Traverse the rename_map passed to it.
1806         Don't use SESE_LIVEOUT_RENAMES.
1807         (default_liveout_before_guard): Renamed default_before_guard.
1808         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1809         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1810         (register_sese_liveout_renames): Removed.
1811         (copy_bb_and_scalar_dependences): Do not call it.
1812         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1813         reduction_list.
1814         (SESE_LIVEOUT): Removed.
1815         (SESE_LIVEOUT_RENAMES): Removed.
1816         (SESE_REDUCTION_LIST): Removed.
1817         (sese_build_liveouts): Removed.
1818         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1819         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1820         (insert_guard_phis): Same.
1821         (rename_map_elt): Declare a VEC of them.
1822         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1823         trees not pointers to trees.
1824
1825         Rewrite in canonical close SSA form:
1826         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1827         (limit_scops): Close the scop after the block containing the close phi
1828         nodes.
1829         (canonicalize_loop_closed_ssa): New.
1830         (canonicalize_loop_closed_ssa_form): New.
1831         (build_scops): Call canonicalize_loop_closed_ssa_form.
1832
1833         * graphite-sese-to-poly.c: Fix typos.
1834
1835 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1836
1837         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1838         Extended.
1839         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1840         (print_pbb): Add conditions.
1841
1842 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1843             Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1846         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1847         (build_scop_bbs_1): New.
1848         (build_scop_bbs): Rewrite.
1849         * sese.h (bb_in_region): New.
1850
1851 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1852
1853         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1854         poly_drs vector.
1855         (print_scop): Style.
1856         * graphite-poly.h (poly_bb): Add drs vector.
1857         (PBB_DRS): Add accessor.
1858         * graphite-sese-to-poly.c (build_poly_dr): New.
1859         (build_pbb_drs, build_scop_drs): New.
1860         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1861
1862 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1863
1864         * tree-ssa-loop.c: Include forgotten toplev.h
1865
1866 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1867
1868         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1869         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1870         * testsuite/gcc.dg/graphite/pr37928.c: Same
1871         * testsuite/gcc.dg/graphite/pr38409.c: Same
1872         * testsuite/gcc.dg/graphite/pr38498.c: Same
1873         * testsuite/gcc.dg/graphite/pr38559.c: Same
1874         * testsuite/gcc.dg/graphite/pr39335.c: Same
1875         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1876         * testsuite/gfortran.dg/graphite/block-2.f: Same
1877         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1878         with -floop-*.
1879
1880 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1881
1882         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1883         build_access_matrix, build_scop_data_accesses): Remove access function
1884         building. (We get a new version soon).
1885         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1886         * sese.h (nb_loops_around_loop_in_sese): Remove.
1887         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1888
1889 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1890             Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-scop-detection.c (struct scopdet_info): Rename last
1893         field to exit.
1894         (scopdet_basic_block_info, build_scops_1): Don't use
1895         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1896
1897 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1898             Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1901         * sese.c (sese_build_liveouts_use): Renamed from
1902         sese_build_livein_liveouts_use. Remove liveins.
1903         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1904         Call sese_build_liveouts_use.
1905         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1906         Call sese_build_liveouts_bb.
1907         (new_sese, free_sese): Remove liveins.
1908         (sese_add_exit_phis_var): Deleted.
1909         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1910         directly.
1911         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1912
1913         * sese.h (sese): Remove num_ver and livein.
1914         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1915
1916 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1917
1918         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1919
1920 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1921
1922         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1923         (build_scop_scattering): Do not use compare_prefix_loops any more.
1924         (nb_common_loops): New.
1925
1926 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1929         (register_old_and_new_names): Renamed set_rename.
1930
1931 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1934         of the decl from the previous commit.
1935
1936 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         * graphite-scop-detection.c (dot_scop): New.
1939         * graphite-scop-detection.h (dot_scop): Declared.
1940
1941 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1944
1945 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1946
1947         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
1948         condition at the end of the loop.
1949         * graphite.c (graphite_initialize, graphite_finalize): Print to
1950         dump_file the compiled function.
1951         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
1952         of create_empty_loop_on_edge.
1953         (translate_clast): Update the code generation of loops for the new
1954         shape of loops.
1955         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
1956
1957 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         Reverted the patch from 2009-03-19.
1960
1961 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1962
1963         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1964         poly_drs vector.
1965         (print_scop): Style.
1966         * graphite-poly.h (poly_bb): Add drs vector.
1967         (PBB_DRS): Add accessor.
1968         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
1969         (build_access_matrix_with_af, build_access_matrix,
1970         build_scop_data_accesses): Delete.
1971         (build_poly_dr): New.
1972         (build_pbb_drs, build_scop_drs): New.
1973         (build_poly_scop): call build_scop_drs.
1974
1975 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * graphite-scop-detection.c (dot_all_scops_1): Close the table
1978         once per basic block.
1979
1980 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1981
1982         * graphite-scop-detection.c (graphite_can_represent_scev): New.
1983         (graphite_can_represent_expr): Renamed from loop_affine_expr
1984         and enhanced.
1985         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
1986         (graphite_cannot_represent_loop): Add scop_entry to parameters.
1987         (scopdet_basic_block_info): Actually define entry_block.
1988         (stmt_simple_memref_p): Moved here from ...
1989
1990         * tree-data-ref.c (stmt_simple_memref_p): here.
1991         * tree-data-ref.h (stmt_simple_memref_p): Removed.
1992
1993 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1994
1995         * testsuite/gcc.dg/graphite/id-4.c: New.
1996
1997 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2000         (register_old_and_new_names): Update the content of the map.
2001         When there was already a rename_map_elt in the map at that
2002         location, free it.
2003         (copy_bb_and_scalar_dependences): Do rename_variables after
2004         expand_scalar_variables.
2005         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2006         of the map.  When there was already a rename_map_elt in the
2007         map at that location, free it.
2008         (translate_clast): Pass the rename_map.  Do not initialize and free
2009         a rename_map per stmt_user.
2010         (gloog): Initialize and free one rename_map and pass it to
2011         translate_clast.
2012
2013 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2014
2015         * sese.c (expand_scalar_variables_stmt,
2016         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2017         parameter.
2018         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2019         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2020         the gimple_stmt_iterator of the statement to be expanded.
2021         * graphite-scop-detection.c (is_simple_operand): Do handle
2022         REALPART_EXPR.
2023
2024 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2025
2026         * graphite-scop-detection.c (is_simple_operand): Do not handle
2027         REALPART_EXPR.
2028         * testsuite/gcc.dg/graphite/id-2.c: New.
2029
2030         * graphite-sese-to-poly.c (build_bb_loops,
2031         add_value_to_dim, scan_tree_for_params_right_scev,
2032         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2033         find_params_in_bb, build_loop_iteration_domains,
2034         add_conditions_to_domain): Remove subtract.
2035
2036 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2037
2038         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2039         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2040         pbb_loop_at_index -> gbb_loop_at_index.
2041         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2042         (debug_loop_vec): Delete.
2043         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2044         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2045         (PBB_LOOPS): Removed.
2046         (PBB_BLACK_BOX): Insert cast.
2047         (pbb_set_black_box): New setter.
2048         (pbb_loop_at_index, pbb_loop_index): Removed.
2049         (scop_set_region, scop_set_nb_params): New.
2050         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2051         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2052         (build_poly_scop): Use scop_set_nb_params.
2053         * sese.h (gimple_bb): Add LOOPS.
2054         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2055
2056 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2057
2058         Revert previous commit.
2059
2060 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2061
2062         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2063         (register_old_and_new_names): Update the content of the map.
2064         When there was already a rename_map_elt in the map at that
2065         location, free it.
2066         (copy_bb_and_scalar_dependences): Do rename_variables after
2067         expand_scalar_variables.
2068         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2069         of the map.  When there was already a rename_map_elt in the
2070         map at that location, free it.
2071         (translate_clast): Pass the rename_map.  Do not initialize and free
2072         a rename_map per stmt_user.
2073         (gloog): Initialize and free one rename_map and pass it to
2074         translate_clast.
2075
2076 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2077
2078         Remove forgotten line in revert.
2079
2080 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         Revert previous commit.
2083
2084 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * sese.c (register_old_and_new_names): Update the content
2087         of the map.  When there was already a rename_map_elt in the
2088         map at that location, free it.
2089         (copy_bb_and_scalar_dependences): Do rename_variables after
2090         expand_scalar_variables.
2091         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2092         of the map.  When there was already a rename_map_elt in the
2093         map at that location, free it.
2094         (translate_clast): Pass the rename_map.  Do not initialize and free
2095         a rename_map per stmt_user.
2096         (gloog): Initialize and free one rename_map and pass it to
2097         translate_clast.
2098
2099 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite-clast-to-gimple.c (translate_clast): context_loop
2102         is never NULL.
2103
2104 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2105             Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2108         of the use of ppl_Polyhedron_map_space_dimensions.
2109
2110 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2111             Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2114         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2115         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2116         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2117         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2118         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2119         pbb_nb_params): New.
2120         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2121         nb_loops_around_pbb): Adapt return types.
2122
2123 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2124
2125         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2126         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2127         graphite-scop-detection.o, graphite-poly.o): Add
2128         more headers.
2129
2130 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2131
2132         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2133         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2134         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2135
2136 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2137
2138         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2139         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2140         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2141         * testsuite/gcc.dg/graphite/block-0.c: Same.
2142         * testsuite/gcc.dg/graphite/block-1.c: Same.
2143         * testsuite/gcc.dg/graphite/block-2.c: Same.
2144         * testsuite/gcc.dg/graphite/block-3.c: Same.
2145         * testsuite/gcc.dg/graphite/block-4.c: Same.
2146         * testsuite/gcc.dg/graphite/block-5.c: Same.
2147         * testsuite/gcc.dg/graphite/block-6.c: Same.
2148         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2149         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2150         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2151         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2152         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2153         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2154         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2155         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2156         * opts.c: Remove -floop-block from -O2.
2157         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2158         -floop-strip-mine are used.
2159
2160 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2161             Sebastian Pop  <sebastian.pop@amd.com>
2162
2163         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2164         dimensions.
2165         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2166         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2167         strip_mine_profitable_p, is_interchange_valid,
2168         graphite_trans_bb_block, graphite_trans_loop_block,
2169         graphite_trans_scop_block): Temporary removed.
2170         (extend_scattering, unify_scattering_dimensions): New.
2171         (print_scattering_function, graphite_read_transforms):
2172         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2173         (graphite_generate_scattering_fns): Removed.
2174         (apply_poly_transforms): Cleanup.
2175         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2176         (schedule_to_scattering): Moved.
2177         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2178         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2179         (pbb_nb_scattering): New.
2180         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2181         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2182         Removed.
2183         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2184         shift_poly.
2185         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2186         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2187         -> PBB_TRANSFORMED_SCATTERING.
2188         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2189         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2190         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2191         (check_poly_representation): Do not return bool.
2192         (graphite_transform_loops): Reformat.
2193         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2194
2195 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2196
2197         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2198         debug_pbb_domain, debug_pbb, debug_scop): New.
2199         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2200         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2201
2202 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         PR middle-end/39335
2205         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2206         when the type precision of the induction variable should be
2207         larger than the type precision of nit.
2208         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2209         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2210         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2211
2212         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2213         * testsuite/gcc.dg/graphite/pr39335.c: New.
2214
2215 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2218         SSA_NAMES not struct reduction_info.
2219
2220 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2221
2222         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2223
2224 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2225             Tobias Grosser  <grosser@fim.uni-passau.de>
2226
2227         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2228         (free_sese): Free SESE_REDUCTION_LIST.
2229         * sese.h (struct sese): Add field reduction_list.
2230         (SESE_REDUCTION_LIST): New.
2231         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2232         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2233
2234 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2235             Tobias Grosser  <grosser@fim.uni-passau.de>
2236
2237         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2238         of loop_p.
2239
2240 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2241             Tobias Grosser  <grosser@fim.uni-passau.de>
2242
2243         * tree-parloops.c (struct brli, build_reduction_list_info,
2244         analyze_reduction_list, gather_scalar_reductions): New.
2245         (loop_parallel_p): Build a reduction list containing only
2246         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2247         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2248         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2249         * tree-flow.h (gather_scalar_reductions): Declared.
2250
2251 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         PR middle-end/39308
2254         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2255         number_of_iterations_exit from a gcc_assert.
2256
2257 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2258             Jan Sjodin  <jan.sjodin@amd.com>
2259
2260         * output.h (graphite_out_file, graphite_in_file): Declared.
2261         * toplev.c (graphite_out_file, graphite_in_file): New.
2262         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2263         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2264         Don't call schedule_to_scattering.
2265         * common.opt (fgraphite-write, fgraphite-read): New.
2266         * graphite-poly.c: Include output.h.
2267         (print_scattering_function, print_scattering_functions,
2268         debug_scattering_function, debug_scattering_functions,
2269         graphite_write_transforms, graphite_read_transforms,
2270         graphite_generate_scattering_fns): New.
2271         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2272         Call graphite_generate_scattering_fns, graphite_write_transforms,
2273         graphite_read_transforms.
2274         (new_poly_bb): Initialize PBB_SCATTERING.
2275         (free_poly_bb): Free PBB_SCATTERING.
2276         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2277         * graphite-poly.h (struct poly_bb): Add field scattering.
2278         (PBB_SCATTERING): New.
2279         (print_scattering_function, print_scattering_functions,
2280         debug_scattering_function, debug_scattering_functions): Declared.
2281         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2282         GMP values, not integers!
2283         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2284         ppl_read_polyhedron_matrix): New.
2285         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2286         debug_ppl_polyhedron_matrix,
2287         ppl_read_polyhedron_matrix): Declared.
2288         * Makefile.in (graphite-poly.o): Depends on output.h.
2289
2290 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2291             Tobias Grosser  <grosser@fim.uni-passau.de>
2292
2293         Revert this change:
2294         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2295         scalar evolutions in the scop_entry->loop_father.
2296
2297 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2298             Tobias Grosser  <grosser@fim.uni-passau.de>
2299
2300         * graphite.h (ref_nb_loops): Remove declaration.
2301         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2302         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2303         debug_gbb): Moved to sese.h.
2304         * sese.h: As said.
2305
2306 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2307             Tobias Grosser  <grosser@fim.uni-passau.de>
2308
2309         * graphite-data-ref.[ch]: Disable.
2310
2311 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2312             Tobias Grosser  <grosser@fim.uni-passau.de>
2313
2314         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2315         scalar evolutions in the scop_entry->loop_father.
2316
2317 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2318
2319         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2320         (graphite_cannot_represent_loop_niter): Renamed
2321         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2322         (limit_scops): build_sese_loop_nests does not return a bool.
2323         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2324         * sese.c (nb_reductions_in_loop): ... from here.
2325         (graphite_loop_normal_form): ... from here.
2326         (sese_record_loop): Does not fail, so does not return a bool.
2327         (build_sese_loop_nests): Same.
2328         * sese.h (build_sese_loop_nests): Update declaration.
2329         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2330         (build_graphite_loop_normal_form): New.
2331         (gloog): Call build_graphite_loop_normal_form.
2332         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2333         build_sese_loop_nests.
2334
2335         * testsuite/gcc.dg/graphite/id-1.c: New.
2336
2337 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2338             Tobias Grosser  <grosser@fim.uni-passau.de>
2339
2340         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2341         The SCoP detection fix is sufficient.
2342
2343 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2344
2345         PR tree-optimization/39260
2346         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2347         the basic block contains a condition with a real type.
2348         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2349
2350         * gcc.dg/graphite/pr39260.c: New.
2351
2352 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-poly.c: Inlcude params.h.
2355         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2356         the size of a tile.
2357         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2358         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2359
2360 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2361             Tobias Grosser  <grosser@fim.uni-passau.de>
2362
2363         * graphite-scop-detection.c (dot_all_scops_1,
2364         dot_all_scops): Moved here.
2365         * graphite-scop-detection.h (dot_all_scops): Declared here.
2366         * graphite.c (graphite_initialize, graphite_finalize): New.
2367         (graphite_transform_loops): Cleaned up.
2368         * sese.c (debug_oldivs): Moved here.
2369         * graphite-poly.c (graphite_apply_transformations): Renamed
2370         apply_poly_transforms.
2371         (debug_loop_vec): Moved here.
2372         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2373         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2374         find_scop_parameters, build_scop_iteration_domain,
2375         add_conditions_to_constraints, build_scop_canonical_schedules,
2376         build_scop_data_accesses): Now static.
2377         (build_poly_scop, check_poly_representation): New.
2378
2379 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2380
2381         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2382         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2383         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2384         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2385         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2386         scan_tree_for_params, struct irp_data, dx_record_params,
2387         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2388         build_loop_iteration_domains, add_conditions_to_domain,
2389         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2390         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2391         build_sese_conditions, add_conditions_to_constraints,
2392         build_scop_iteration_domain, build_access_matrix_with_af,
2393         build_access_matrix,
2394         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2395
2396         * graphite-sese-to-poly.c: New.
2397         * graphite-sese-to-poly.h: New.
2398
2399         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2400
2401 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite.c: Split graphite code generation to a new file.
2404         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2405         max_precision_type, clast_to_gcc_expression_red,
2406         clast_to_gcc_expression, gcc_type_for_clast_expr,
2407         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2408         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2409         graphite_create_new_guard, clast_get_body_of_loop,
2410         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2411         graphite_create_new_loop, build_iv_mapping, copy_renames,
2412         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2413         compute_cloog_iv_types, free_scattering, save_var_name,
2414         initialize_cloog_names, build_scop_context, build_cloog_prog,
2415         set_cloog_options, debug_clast_stmt, scop_to_clast,
2416         print_generated_program, debug_generated_program,
2417         gloog): Moved to graphite-clast-to-gimple.c.
2418
2419         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2420
2421         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2422         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2423         loop_iv_stack_pop, loop_iv_stack_get_iv,
2424         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2425         free_loop_iv_stack, loop_iv_stack_remove_constants,
2426         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2427         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2428         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2429         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2430         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2431         get_vdef_before_sese, sese_adjust_vphi,
2432         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2433         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2434         is_iv, expand_scalar_variables_ssa_name,
2435         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2436         expand_scalar_variables, rename_variables, remove_condition,
2437         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2438         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2439         default_liveout_before_guard, add_guard_exit_phis,
2440         insert_guard_phis, register_old_and_new_names,
2441         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2442         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2443         if_region_set_false_region, create_if_region_on_edge,
2444         move_sese_in_condition): Moved to sese.c.
2445
2446         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2447         if_region_exit, if_region_get_condition_block,
2448         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2449         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2450         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2451         ivtype_map_elt, new_ivtype_map_elt,
2452         recompute_all_dominators): Moved to sese.h.
2453
2454         * graphite-clast-to-gimple.c: New.
2455         * graphite-clast-to-gimple.h: New.
2456         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2457         * sese.c: Modified as said above.
2458         * sese.h: Same.
2459
2460 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2461
2462         * graphite.c: Split scop detection to a new file.
2463         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2464         move_sd_regions, loop_affine_expr, exclude_component_ref,
2465         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2466         graphite_cannot_represent_loop_niter, struct scopdet_info,
2467         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2468         find_single_entry_edge, find_single_exit_edge,
2469         create_single_entry_edge, sd_region_without_exit,
2470         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2471         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2472         Moved to graphite-scop-detection.c.
2473
2474         * graphite-scop-detection.c: New.
2475         * graphite-scop-detection.h: New.
2476         * Makefile.in: Add new rule for graphite-scop-detection.o.
2477
2478         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2479         tree-scalar-evolution.h.
2480         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2481         build_sese_loop_nests): Moved here from graphite.c.
2482         (param_index): Renamed parameter_index_in_region.
2483
2484 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2485             Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * gcc.dg/graphite/block-0.c: Expected to fail now.
2488         * gcc.dg/graphite/block-1.c: Same.
2489         * gcc.dg/graphite/block-5.c: Same.
2490         * gcc.dg/graphite/block-6.c: Same.
2491
2492 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2493             Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * graphite.h: Separate from graphite_bb_p the polyhedral
2496         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2497         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2498         graphite-data-ref.h.
2499         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2500         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2501         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2502         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2503         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2504         scop_nb_params): Moved to graphite-poly.h.
2505         * graphite-data-ref.c: Same.
2506         * graphite-data-ref.h: New.
2507         * graphite.c: Same.
2508         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2509         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2510         is_interchange_valid, graphite_trans_bb_block,
2511         graphite_trans_loop_block, scop_max_loop_depth,
2512         graphite_trans_scop_block, graphite_apply_transformations,
2513         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2514         graphite-poly.c.
2515         * graphite-poly.h: New.
2516         * graphite-poly.c: New.
2517         * Makefile.in (OBJS-common): Add graphite-poly.o.
2518         (graphite-poly.o): New rule.
2519         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2520         (DR_SCOP): Removed.
2521
2522 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2523             Tobias Grosser  <grosser@fim.uni-passau.de>
2524
2525         * graphite.c: Replace gb -> gbb.
2526         * graphite.h: Same.
2527         * graphite-data-ref.c: Same.
2528
2529 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2530             Tobias Grosser  <grosser@fim.uni-passau.de>
2531
2532         * Makefile.in (OBJS-commmon): Add sese.o.
2533         (sese.o): New.
2534         (graphite.o): Add sese.h.
2535         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2536         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2537         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2538         Move to sese.
2539         (block_before_scop): Add missing return.
2540         (new_scop, free_scop): Remove SESE data structures.
2541         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2542         find_scop_parameters, build_loop_iteration_domains,
2543         add_conditions_to_domain, register_scop_liveout_renames,
2544         copy_bb_and_scalar_dependences): Scop -> SESE.
2545
2546         (add_conditions_to_domain): SCoP -> SESE and remove check
2547         (scop_contains_non_iv_scalar_phi_nodes): New.
2548         (build_scop_conditions_1, build_scop_conditions): Remove check for
2549         non iv scalar phi nodes.
2550         (print_scop_statistics): New.
2551         (graphite_transform_loops): Cleanup.
2552
2553         * graphite.h: Move to sese & cleanup.
2554         * sese.c: New.
2555         * sese.h: New.
2556
2557 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2558             Tobias Grosser  <grosser@fim.uni-passau.de>
2559
2560         * graphite.c (build_scop_conditions_1): Conditions are only
2561         at the end of a basic block.
2562
2563 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2564             Tobias Grosser  <grosser@fim.uni-passau>
2565
2566         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2567         field.
2568         (GBB_ALPHA): Removed.
2569
2570 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2571             Tobias Grosser  <grosser@fim.uni-passau.de>
2572
2573         * graphite-data-ref.c (graphite_test_dependence): Don't use
2574         GBB_DYNAMIC_SCHEDULE.
2575         * graphite.c (new_graphite_bb): Same.
2576         (free_graphite_bb): Same.
2577         (build_scop_dynamic_schedules): Removed.
2578         (graphite_transform_loops): Don't call it.
2579         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2580         (GBB_DYNAMIC_SCHEDULE): Removed.
2581
2582 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2583             Tobias Grosser  <grosser@fim.uni-passau.de>
2584
2585         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2586         (print_graphite_bb): Same.
2587         (build_cloog_prog): Same.
2588
2589 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2590             Tobias Grosser  <grosser@fim.uni-passau.de>
2591
2592         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2593
2594 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2595             Tobias Grosser  <grosser@fim.uni-passau.de>
2596
2597         * graphite.c (build_scop_context): Don't use CloogMatrix.
2598         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2599         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2600
2601 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2602             Tobias Grosser  <grosser@fim.uni-passau.de>
2603
2604         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2605         liveout_renames, add_params fields...
2606         (struct sese): ... here.
2607         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2608         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2609
2610 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2611             Tobias Grosser  <grosser@fim.uni-passau.de>
2612
2613         * graphite.c (print_scop): Do not print the CLooG program.
2614         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2615         build_cloog_prog, gloog): Don't use SCOP_PROG.
2616         (find_transform): Renamed scop_to_clast.
2617         (print_generated_program, debug_generated_program): New.
2618         (graphite_transform_loops): Adapt to new interface.
2619         * graphite.h (struct scop): Remove program field.
2620         (SCOP_PROG): Removed.
2621         (print_generated_program, debug_generated_program): Declared.
2622
2623 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2626         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2627         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2628         free_graphite_bb, build_scop_canonical_schedules,
2629         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2630         schedules are now represented using a ppl_Linear_Expression_t.
2631         * graphite.h (struct graphite_bb): Same.
2632         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2633         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2634
2635 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2636
2637         * graphite.c: Free local memory.
2638         * graphite-ppl.c: Same.
2639
2640 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2641
2642         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2643         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2644         swap_constraint_variables, scale_constraint_variable): Removed.
2645         (graphite_trans_bb_strip_mine): Remove pong.
2646         * graphite-ppl.c: Include missing header files.
2647         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2648         * graphite-ppl.h (ppl_strip_loop): Declared.
2649         * Makefile.in (graphite-ppl.o): Adjust dependences.
2650
2651 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2652
2653         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2654         (build_scop_iteration_domain): Same.
2655
2656 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2659         ping pong.
2660         (add_value_to_dim, scan_tree_for_params_right_scev,
2661         scan_tree_for_params_int): New.
2662         * graphite-ppl.c (oppose_constraint): New.
2663         (insert_constraint_into_matrix): Implement missing cases.
2664         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2665
2666 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2669         use ppl_move_dimension.
2670
2671 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2672
2673         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2674         * graphite.c: Same.
2675         * graphite.h: Same.
2676         * graphite-ppl.c: Same.
2677         * graphite-ppl.h: Same.
2678
2679 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2680
2681         Revert last 3 commits.
2682
2683 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2686         ping pong.
2687         (add_value_to_dim, scan_tree_for_params_right_scev,
2688         scan_tree_for_params_int): New.
2689         * graphite-ppl.c (oppose_constraint): New.
2690         (insert_constraint_into_matrix): Implement missing cases.
2691         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2692
2693 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2694
2695         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2696
2697 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2698             Tobias Grosser  <grosser@fim.uni-passau.de>
2699
2700         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2701         use ppl_move_dimension.
2702         * graphite-ppl.c (ppl_move_dimension): New.
2703         * graphite-ppl.h (ppl_move_dimension): Declared.
2704
2705 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * graphite.c: Do not include cloog/cloog.h.
2708         (print_graphite_bb): Remove ping pong, call PPL print function.
2709
2710 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2711
2712         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2713         (graphite.o): Add dependence on graphite-ppl.h.
2714         (graphite-ppl.o): New.
2715         (graphite-data-ref.c): Ping pong between PPL data structures
2716         and matrices.
2717         * graphite-ppl.c: New.
2718         * graphite-ppl.h: New.
2719         * graphite.c: Include graphite-ppl.h.
2720         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2721         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2722         Ping pong between PPL data structures and matrices.
2723         (new_graphite_bb): Create a PPL constraint system.
2724         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2725         (build_loop_iteration_domains): Use PPL functions.
2726         * graphite.h: Include graphite-ppl.h.  Fix comments.
2727         (graphite_bb): Use a ppl_Constraint_System_t instead of
2728         CloogMatrix for representing the domain.
2729         (scop): Remove static_schedule.
2730         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2731
2732 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite.c: Fix some comments.
2735
2736 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         PR middle-end/38953
2739         * graphite.c (if_region_set_false_region): After moving a region
2740         in the false branch of a condition, remove the empty dummy
2741         basic block.
2742         (gloog): Remove wrong fix for PR38953.
2743
2744 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2745
2746         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2747         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2748         register_bb_in_sese, new_sese, free_sese): Moved.
2749         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2750         outermost_loop_in_scop, build_scop_iteration_domain,
2751         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2752         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2753         Use loop_in_sese_p instead of loop_in_scop_p.
2754         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2755         (free_scop): Do not free SCOP_BBS_B.
2756         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2757         ref_nb_loops): Moved here...
2758         * graphite.h (ref_nb_loops): ... from here.
2759         (struct scop): Remove bbs_b bitmap.
2760         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2761         * testsuite/gcc.dg/graphite/scop-19.c: New
2762
2763 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2764
2765         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2766         detection.
2767
2768 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2769
2770         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2771         eq_loop_to_cloog_loop): Remove.
2772         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2773         * graphite.h (struct scop): Remove loop2cloog_loop.
2774         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2775
2776 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2777
2778         * opts.c (decode_options): Only add graphite options to O2
2779         if we compile with graphite enabled.
2780
2781 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * Merge from mainline (r143163:143684).
2784
2785 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2786
2787         * graphite.c (debug_value): Removed.
2788         * graphite.h (debug_value): Removed.
2789
2790 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2793         after graphite: pass_copy_prop does not maintain a proper loop closed
2794         SSA form.  pass_copy_prop should be fixed.
2795
2796 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2797
2798         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2799
2800 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2803         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2804         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2805         changed the CFG.
2806
2807 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         * graphite.c (gloog): Return true when code gen succeeded.
2810         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2811         the code of the function did not changed.  After cleanup_tree_cfg
2812         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2813         form.
2814
2815 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2818         gimple_call_lhs is NULL.
2819
2820 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2821             Tobias Grosser  <tobi.grosser@amd.com>
2822
2823         * graphite.c (graphite_trans_scop_block): Do not block single
2824         nested loops.
2825
2826 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2827             Tobias Grosser  <tobi.grosser@amd.com>
2828
2829         * graphite.c (build_scop_canonical_schedules): Start schedules at
2830         zero.
2831
2832 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2833             Tobias Grosser  <tobi.grosser@amd.com>
2834
2835         * graphite.c (compare_prefix_loops): New.
2836         (build_scop_canonical_schedules): Rewritten.
2837         (graphite_transform_loops): Move build_scop_canonical_schedules
2838         after build_scop_iteration_domain.
2839
2840 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2841             Tobias Grosser  <tobi.grosser@amd.com>
2842
2843         * graphite.c (add_conditions_to_domain): Add the loops to
2844         the dimension of the iteration domain.  Do copy the domain
2845         only when it exists.
2846         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2847         (add_conditions_to_constraints): New.
2848         (can_generate_code_stmt, can_generate_code): Removed.
2849         (gloog): Do not call can_generate_code.
2850         (graphite_transform_loops): Call add_conditions_to_constraints
2851         after building the iteration domain.
2852
2853 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2854             Tobias Grosser  <tobi.grosser@amd.com>
2855             Jan Sjodin  <jan.sjodin@amd.com>
2856
2857         * graphite.c (scan_tree_for_params): On substractions negate
2858         all the coefficients of the term.
2859         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2860         of more than two operands.
2861         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2862         (get_vdef_before_scop): Handle also the case of default definitions.
2863
2864 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2865
2866         PR middle-end/38431
2867         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2868         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2869         (gloog): Do not call cleanup_tree_cfg.
2870         (graphite_transform_loops): Call cleanup_tree_cfg after all
2871         scops have been code generated.
2872
2873 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * passes.c (init_optimization_passes): Schedule after
2876         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2877
2878 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2881         Fix comment.
2882         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2883         Set the type of an expression to the type of its assign statement.
2884         (expand_scalar_variables_expr):  Do not pass loop_p.
2885         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2886         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2887         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2888
2889 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2892         an expression to the gimple_expr_type of its assign statement.
2893         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2894         or tcc_declaration.
2895
2896 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2897
2898         PR tree-optimization/38786
2899         * testsuite/gcc.dg/graphite/pr38786.c: New.
2900         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2901         the SSA_NAME case of expand_scalar_variables_expr.
2902         (expand_scalar_variables_expr): Also gather the scalar computation
2903         used to index the memory access.
2904         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2905         the gimple_stmt_iterator where it inserts new code.
2906
2907 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2908
2909         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2910
2911 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2912
2913         * opts.c (decode_options): Enable flag_graphite_identity and
2914         flag_loop_block in -O2 and above.
2915
2916 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2917
2918         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2919         Fix merge problem: replace with the file from trunk.
2920
2921 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2922
2923         * Merge from mainline (r141727:143163).
2924
2925 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2926             Jan Sjodin  <jan.sjodin@amd.com>
2927
2928         PR tree-optimization/38559
2929         * testsuite/gcc.dg/graphite/pr38559.c: New.
2930
2931         * graphite.c (debug_value, copy_constraint,
2932         swap_constraint_variables, scale_constraint_variable, ): New.
2933         (get_lower_bound, get_upper_bound): Removed.
2934         (graphite_trans_bb_strip_mine): Clean up this code that works
2935         only for constant number of iterations.  Fully copy upper and
2936         lower bound constraints, not only the constant part of them.
2937         * graphite.h (debug_value): Declared.
2938
2939 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2940
2941         PR tree-optimization/38492
2942         PR tree-optimization/38498
2943         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2944         * tree-chrec.h (scev_is_linear_expression): Declared.
2945         * graphite.c (graphite_cannot_represent_loop_niter): New.
2946         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2947         (graphite_loop_normal_form): Use gcc_assert.
2948         (scan_tree_for_params): Use CASE_CONVERT.
2949         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2950         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2951         Use gcc_assert.  Discard scops that contain unhandled cases.
2952         (build_scop_conditions): Return a boolean status for unhandled cases.
2953         (strip_mine_profitable_p): Print the loop number, not its depth.
2954         (is_interchange_valid): Pass the depth of the loop nest, don't
2955         recompute it wrongly.
2956         (graphite_trans_bb_block): Same.
2957         (graphite_trans_bb_block): Print tentative of loop blocking.
2958         (graphite_trans_scop_block): Do not print that the loop has been
2959         blocked.
2960         (graphite_transform_loops): Do not handle scops that contain condition
2961         scalar phi nodes.
2962
2963         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
2964         in trunk.
2965         * testsuite/gcc.dg/graphite/block-0.c: Update test.
2966         * testsuite/gcc.dg/graphite/block-1.c: Same.
2967         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
2968         blocking.
2969         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
2970         * testsuite/gcc.dg/graphite/block-3.c: New.
2971         * testsuite/gcc.dg/graphite/pr38498.c: New.
2972
2973 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
2974
2975         PR tree-optimization/38510
2976         * gcc.dg/graphite/pr38510.c: New.
2977         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2978           (translate_clast): Call recompute_all_dominators before
2979           graphite_verify.
2980           (gloog): Call recompute_all_dominators before graphite_verify.
2981
2982 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         PR tree-optimization/38492
2985         * graphite.c (rename_map_elt, debug_rename_elt,
2986         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2987         rename_map_elt_info, eq_rename_map_elts,
2988         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2989         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2990         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2991         (sese_build_livein_liveouts): New.
2992         (new_sese, free_sese): New.
2993         (new_scop): Call new_sese.
2994         (free_scop): Call free_sese.
2995         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2996         (register_old_new_names): Renamed register_old_and_new_names.
2997         (register_scop_liveout_renames, add_loop_exit_phis,
2998         insert_loop_close_phis, struct igp,
2999         default_liveout_before_guard, add_guard_exit_phis,
3000         insert_guard_phis, copy_renames): New.
3001         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3002         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3003         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3004         (scop_adjust_phis_for_liveouts): New.
3005         (gloog): Call scop_adjust_phis_for_liveouts.
3006
3007         * graphite.h (struct sese): Documented.  Added fields liveout,
3008         num_ver and livein.
3009         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3010         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3011         (struct scop): Added field liveout_renames.
3012         (SCOP_LIVEOUT_RENAMES): New.
3013
3014 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         PR tree-optimization/38409
3017         * gcc.dg/graphite/pr38409.c: New.
3018         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3019
3020 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3021
3022         * graphite.c (gcc_type_for_cloog_iv): By default return
3023         integer_type_node.
3024         (graphite_create_new_loop): Don't fold_convert the already
3025         fold_convert-ed expression.
3026
3027 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3028
3029         PR tree-optimization/38446
3030         * gcc.dg/graphite/pr38446.c: New.
3031         * graphite.c (register_bb_in_sese): New.
3032         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3033         looking at the bbs in the region.
3034         * graphite.h (sese): Add region_basic_blocks pointer set to
3035         structure and initialize at the time of defining new scop.
3036
3037 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3038
3039         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3040         (find_params_in_bb): Do not free data refs.
3041         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3042
3043 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3044
3045         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3046         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3047         * testsuite/gcc.dg/graphite/block-5.c: New.
3048         * testsuite/gcc.dg/graphite/block-6.c: New.
3049         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3050         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3051         * testsuite/gcc.dg/graphite/block-2.c: Same.
3052
3053         * graphite.c (struct ivtype_map_elt): New.
3054         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3055         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3056         gcc_type_for_cloog_iv): New.
3057         (loop_iv_stack_patch_for_consts): Use the type of the induction
3058         variable from the original loop, except for the automatically
3059         generated loops, i.e., in the case of a strip-mined loop, in
3060         which case there is no original loop: in that case just use
3061         integer_type_node.
3062         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3063         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3064         (clast_name_to_gcc): Accept params to be NULL.
3065         (clast_to_gcc_expression): Take an extra parameter for the type.
3066         Convert to that type all the expressions built by this function.
3067         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3068         (graphite_translate_clast_equation): Compute the type of the
3069         clast_equation before translating its LHS and RHS.
3070         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3071         (graphite_create_new_loop): Compute the type of the induction
3072         variable before translating the lower and upper bounds and before
3073         creating the induction variable.
3074         (rename_variables_from_edge, rename_phis_end_scop): New.
3075         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3076         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3077         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3078         compute_cloog_iv_types): New.
3079         (gloog): Call compute_cloog_iv_types before starting the
3080         translation of the clast.
3081
3082         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3083         (GBB_CLOOG_IV_TYPES): New.
3084         (debug_ivtype_map): Declared.
3085         (oldiv_for_loop): New.
3086
3087 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3088
3089         PR middle-end/38459
3090         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3091         (param_index): Assert if parameter is not know after parameter
3092         detection.
3093         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3094         (find_scop_parameters): Mark, that we have finished parameter
3095         detection.
3096         (graphite_transform_loops): Move condition detection before parameter
3097         detection.
3098         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3099         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3100
3101 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3102
3103         * graphite.c (graphite_transform_loops): Always call find_transform ()
3104         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3105         generate code.
3106
3107 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3108
3109         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3110         (print_scop): Ditto.
3111
3112 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3113
3114         PR middle-end/38084
3115         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3116         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3117         regions more than once.
3118
3119 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3120
3121         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3122         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3123         when not needed.
3124
3125 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3128         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3129         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3130         (max_precision_type): New.
3131         (value_clast): Removed.
3132         (clast_to_gcc_expression): Be more careful to types of expressions.
3133         Use max_precision_type and update use of gmp_cst_to_tree.
3134         (graphite_translate_clast_equation): Use max_precision_type.
3135         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3136         use the type of the condition.
3137         (graphite_create_new_loop): Do not use integer_type_node, use the
3138         max_precision_type of lb and ub.
3139
3140 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * graphite.c (build_scops_1): Initialize open_scop.exit
3143         and sinfo.last.
3144
3145 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3146
3147         * testsuite/gcc.dg/graphite/pr38084.c: New.
3148         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3149         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3150         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3151         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3152         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3153
3154 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3155             Jan Sjodin  <jan.sjodin@amd.com>
3156             Harsha Jagasia  <harsha.jagasia@amd.com>
3157
3158         PR middle-end/37852
3159         PR middle-end/37883
3160         PR middle-end/37928
3161         PR middle-end/37980
3162         PR middle-end/38038
3163         PR middle-end/38039
3164         PR middle-end/38073
3165         PR middle-end/38083
3166         PR middle-end/38125
3167
3168         * testsuite/gcc.dg/graphite/pr38073.c: New.
3169         * testsuite/gcc.dg/graphite/pr37928.c: New.
3170         * testsuite/gcc.dg/graphite/pr37883.c: New.
3171         * testsuite/gcc.dg/graphite/pr38125.c: New.
3172         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3173         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3174         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3175
3176         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3177         the number of detected scops.  Copy exact same test for loop
3178         blocking...
3179         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3180         loops to be blocked as reductions are not handled.
3181         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3182
3183         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3184         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3185         ...here.
3186         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3187         * Makefile.in (graphite.o): Depend on value-prof.h.
3188         (graphite.o-warn): Removed -Wno-error.
3189         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3190         to be a NULL pointer.  Call update_stmt.  Return the newly created
3191         cannonical induction variable.
3192
3193         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3194
3195         * graphite.c: Reimplement the code generation from graphite to gimple.
3196         Include value-prof.h.
3197         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3198         (get_old_iv_from_ssa_name): Removed.
3199         (graphite_stmt_p): New.
3200         (new_graphite_bb): Test for useful statements before building a
3201         graphite statement for the basic block.
3202         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3203         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3204         reason.
3205         (recompute_all_dominators, graphite_verify,
3206         nb_reductions_in_loop, graphite_loop_normal_form): New.
3207         (scop_record_loop): Call graphite_loop_normal_form.
3208         (build_scop_loop_nests): Iterate over all the blocks of the
3209         function instead of relying on the incomplete information from
3210         SCOP_BBS.  Return the success of the operation.
3211         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3212         (add_bb_domains): Removed.
3213         (build_loop_iteration_domains): Don't call add_bb_domains.
3214         Add the iteration domain only to the basic blocks that have been
3215         translated to graphite.
3216         (build_scop_conditions_1): Add constraints only if the basic
3217         block have been translated to graphite.
3218         (build_scop_data_accesses): Completely disabled until data
3219         dependence is correctly implemented.
3220         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3221         (remove_all_edges_1, remove_all_edges): Removed.
3222         (get_new_name_from_old_name): New.
3223         (graphite_rename_variables_in_stmt): Renamed
3224         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3225         Use replace_exp and update_stmt.
3226         (is_old_iv): Renamed is_iv.
3227         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3228         Use replace_exp and update_stmt.
3229         (expand_scalar_variables_expr): Same.  Use the map to get the
3230         new names for the renaming of induction variables and for the
3231         renaming of variables after a basic block has been copied.
3232         (expand_scalar_variables): Same.
3233         (graphite_rename_variables): Renamed rename_variables.
3234         (move_phi_nodes): Removed.
3235         (get_false_edge_from_guard_bb): New.
3236         (build_iv_mapping): Do not insert the induction variable of a
3237         loop in the renaming iv map if the basic block does not belong
3238         to that loop.
3239         (register_old_new_names, graphite_copy_stmts_from_block,
3240         copy_bb_and_scalar_dependences): New.
3241         (translate_clast): Heavily reimplemented: copy basic blocks,
3242         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3243         At each translation step call graphite_verify ensuring the
3244         consistency of the SSA, loops and dominators information.
3245         (collect_virtual_phis, find_vdef_for_var_in_bb,
3246         find_vdef_for_var_1, find_vdef_for_var,
3247         patch_phis_for_virtual_defs): Removed huge hack.
3248         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3249         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3250         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3251         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3252         if_region_get_condition_block, if_region_set_false_region,
3253         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3254         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3255         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3256         rewrite_into_sese_closed_ssa): New.
3257         (gloog): Remove dead code.  Early return if code cannot be
3258         generated.  Call cleanup_tree_cfg once the scop has been code
3259         generated.
3260         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3261         block loops with less than two loops.
3262         (graphite_apply_transformations): Remove the call to
3263         scop_remove_ignoreable_gbbs.
3264         (limit_scops): When build_scop_loop_nests fails, continue on
3265         the next scop.  Fix open_scop.entry.
3266         (graphite_transform_loops): Call recompute_all_dominators: force the
3267         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3268         Call initialize_original_copy_tables and free_original_copy_tables
3269         to be able to copy basic blocks during code generation.
3270         When build_scop_loop_nests fails, continue on next scop.
3271         (value_clast): New union.
3272         (clast_to_gcc_expression): Fix type cast warning.
3273
3274 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3275
3276         * Merge from mainline (r140838:141727).
3277
3278 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3279
3280         PR middle-end/37833
3281
3282         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3283
3284 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3285
3286         PR middle-end/37943
3287
3288         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3289         exits and conditions.
3290         * testsuite/gcc.dg/graphite/pr37943.c: New.
3291
3292 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3293
3294         PR middle-end/37886
3295         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3296
3297 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3298
3299         * doc/invoke.texi: Fix spaces.
3300
3301 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3302
3303         PR tree-optimization/37891
3304         Reverted last commit.
3305         * graphite.c (create_single_entry_edge): Set
3306         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3307
3308 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3309             Mitul Thakkar  <mitul.thakkar@amd.com>
3310
3311         * graphite.c (create_single_entry_edge): Set
3312         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3313
3314 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3315
3316         * doc/invoke.texi: Add -fgraphite-identity.
3317         * graphite.c (graphite_apply_transformations): Check for
3318         -fgraphite-identity.
3319         * toplev.c (process_options): Add flag_graphite_identity.
3320         * tree-ssa-loop.c: Add flag_graphite_identity.
3321
3322 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         Undo changes from 2008-10-02:
3325         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3326         operand type when copying the operand to a variable of different type.
3327         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3328         with the IV name after increment.
3329
3330 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3331             Harsha Jagasia  <harsha.jagasia@amd.com>
3332
3333         PR tree-optimization/37828
3334         * testsuite/gcc.dg/graphite/pr37828.c: New.
3335         * graphite.c (graphite_trans_loop_block): Do not loop block
3336         single nested loops.
3337
3338 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3339             Sebastian Pop  <sebastian.pop@amd.com>
3340
3341         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3342         rename_map_elt_info, eq_rename_map_elts): New.
3343         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3344         (expand_scalar_variables_expr): Change parameters.
3345         (expand_scalar_variables_stmt): Same.
3346         (expand_scalar_variables): Same.
3347         (graphite_rename_ivs): Rename graphite_rename_variables.
3348         (build_iv_mapping): New.
3349         (translate_clast): Call build_iv_mapping.
3350         * graphite.h (gbb_p): New name.
3351
3352 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3353
3354         PR tree-optimization/37684
3355         * gcc.dg/graphite/pr37684.c: New.
3356         * graphite.c (exclude_component_ref): New.
3357         (is_simple_operand): Call exclude_component_ref.
3358
3359 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3360             Harsha Jagasia  <harsha.jagasia@amd.com>
3361
3362         PR tree-optimization/37485
3363         * gcc.dg/graphite/block-2.c: New
3364         * graphite.c (gmp_cst_to_tree): Moved.
3365         (iv_stack_entry_is_constant): New.
3366         (iv_stack_entry_is_iv): New.
3367         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3368         (loop_iv_stack_insert_constant): New.
3369         (loop_iv_stack_pop): Use new datatpype.
3370         (loop_iv_stack_get_iv): Same.
3371         (loop_iv_stack_get_iv_from_name): Same.
3372         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3373         (loop_iv_stack_patch_for_consts): New.
3374         (loop_iv_stack_remove_constants): New.
3375         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3376         (translate_clast): Call loop_iv_stack_patch_for_consts and
3377         loop_iv_stack_remove_constants.
3378         (gloog): Use new datatype.  Redirect construction edge to end
3379         block to avoid accidental deletion.
3380         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3381         iv stack entry.
3382         (union iv_stack_entry_data): New.  Data in iv stack entry.
3383         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3384
3385 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3388         operand type when copying the operand to a variable of different type.
3389
3390 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3393         with the IV name after increment.
3394
3395 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3396
3397         * Merge from mainline (r140164:140838).
3398
3399 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3400
3401         * graphite-data-ref.c: New.
3402         * graphite.c (print_scop): Also dump the dependence graph.
3403         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3404         (new_scop): Initialize SCOP_DEP_GRAPH.
3405         (build_scop_dynamic_schedules): New.
3406         (build_access_matrix_with_af): Fixed column numbering.
3407         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3408         * graphite.h: Add ifndef/define guards against multiple inclusion.
3409         (struct scop): Add dep_graph field.
3410         (SCOP_DEP_GRAPH): Defined.
3411         (ref_nb_loops): Fixed and moved to other position.
3412         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3413         (nb_loops_around_loop_in_scop): New.
3414         (graphite_dump_dependence_graph): Declared.
3415         (graphite_build_rdg_all_levels): Declared.
3416         (graphite_test_dependence): Declared.
3417         * Makefile.in (graphite-data-ref.o): New target.
3418
3419 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3420
3421         * Merge from mainline (139870:140164).
3422
3423 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * Merge from mainline (138275:139870).
3426         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3427         the commits from trunk broke the niter detection.
3428
3429 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3430
3431         * graphite.c: Add more documentation.  Fix formatting.
3432         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3433         loop_iv_stack_debug): Moved...
3434         (schedule_to_scattering): Move before use.
3435         (dot_all_scops): Include in "#if 0" the code for system
3436         call dotty.
3437
3438         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3439         loop_iv_stack_debug): ...here.
3440
3441 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3442
3443         * tree-phinodes.c (make_phi_node): Extern.
3444         (add_phi_node_to_bb): New.
3445         (create_phi_node): Call add_phi_node_to_bb.
3446         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3447         (remove_statement): Handle case where stored phi was updated
3448         and is no longer the same.
3449         * graphite.c (is_parameter): New.
3450         (is_old_iv): New.
3451         (expand_scalar_variables_expr): New.
3452         (expand_scalar_variables_stmt): New.
3453         (expand_scalar_variables): New.
3454         (move_phi_nodes): Create new phi instead of moving old one.
3455         (translate_clast): Call expand_scalar_variables.
3456         (find_vdef_for_var_in_bb): Also scan regular definitions.
3457         (skip_phi_defs): New.
3458         (collect_scop_exit_phi_args): New.
3459         (patch_scop_exit_phi_args): New.
3460         (gloog): Patch phis after scop.
3461         * tree-flow.h: (add_phi_node_to_bb): Declared.
3462         (make_phi_node): Declared.
3463
3464 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         * graphite.c (end_scop): Split the entry of the scop when it
3467         is the header of the loop in which the scop is ending.
3468         (build_scops_1, limit_scops): Update uses of end_scop.
3469
3470 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3471
3472         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3473         SCOP_ENTRY or SCOP_EXIT.
3474
3475 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3476
3477         * graphite.c (get_construction_edge): Removed.
3478         (gloog): Construction edge is the scop entry edge.
3479
3480 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         * graphite.c (can_generate_for_scop): Removed.
3483         (gloog): Do not call it.
3484
3485 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3486
3487         * graphite.c (new_scop): Entry of a scop is an edge.
3488         Initialize SESE region.
3489         (free_scop): Free SESE region.
3490         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3491         (split_difficult_bb): New, split from end_scop.
3492         (end_scop): Exit of a scop is an edge.
3493         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3494         not automatically updated and thus is always wrong.
3495         * graphite.h (struct sese): New.
3496         (SESE_ENTRY): New.
3497         (SESE_EXIT): New.
3498         (struct scop): New field for a SESE region.  Remove entry, exit.
3499         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3500         semantics as before.  Moved comment around.
3501
3502 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3503             Sebastian Pop  <sebastian.pop@amd.com>
3504
3505         * graphite.c (graphite_transform_loops): Always enable gloog
3506         and find_transform when ENABLE_CHECKING.
3507
3508 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3509
3510         * graphite.c (graphite_transform_loops): Move pretty printer
3511         of SCOPs before doing any transform.  Remove call to print_scops
3512         and dot_all_scops_1.
3513
3514 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3515
3516         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3517         (print_graphite_bb): Same.
3518
3519 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         * graphite.c (dot_all_scops_1): Cleanup.
3522         (move_scops): Fix comment.
3523
3524 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * graphite.c (build_scop_bbs): Revert commit 139355:
3527
3528         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3529                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3530
3531                 * graphite.c (build_scop_bbs): Factor up code.
3532
3533 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3534
3535         * graphite.c (gloog): Update dominator info.
3536
3537 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3538
3539         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3540
3541 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3542
3543         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3544         initialization.
3545         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3546         (translate_clast): Correct formatting.
3547         * graphite.h (struct num_map): Removed.
3548         (struct graphite_bb): Remove num_map field.
3549         (GBB_INDEX_TO_NUM_MAP): Removed.
3550
3551 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3552
3553         * graphite.c (build_access_matrix_with_af): Fix comments.
3554         (build_scop_data_accesses): Same.
3555
3556 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3557
3558         * graphite.c (build_scop_data_accesses): Don't construct
3559         access matrices.  Add a FIXME and an assert condition that
3560         should pass when the access matrices will be needed.
3561
3562 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3565         really_constant_p.
3566         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3567         Moved close by free_graphite_bb.
3568         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3569         (new_scop): Move close by free_scop.
3570         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3571
3572 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3573
3574         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3575         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3576         instead of recursive call.
3577         (graphite_translate_clast_equation): New.
3578         (graphite_create_guard_cond_expr): New.
3579         (graphite_create_new_guard): New.
3580         (get_stack_index_from_iv): Removed.
3581         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3582         (get_true_edge_from_guard_bb): New.
3583         (translate_clast): Handle stmt_guard in clast.
3584         (get_construction_edge): Allow construction edge detection for
3585         a scope entry with multiple predecessors if one predecessor is
3586         the immediate dominator of scope entry.
3587         (can_generate_code_stmt): Enable code generation for clast_guard.
3588         (gloog): Use correct context loop.  Removed check for post dominators.
3589         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3590
3591 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3592
3593         * graphite.c (remove_dead_loops): Document better which
3594         loops are removed.
3595
3596 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3597
3598         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3599         and PPLINC.
3600         (graphite.o): Also depends on pointer-set.h.
3601
3602 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * graphite.c (scop_record_loop): Fix compile warning.
3605
3606 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3607             Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3610
3611 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * graphite.c (build_graphite_bb): Initialize bb->aux to
3614         point to the graphite_bb_p.
3615         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3616         content of bb->aux.
3617         (add_bb_domains): Does not use the scop parameter.
3618         (graphite_transform_loops): Clean bb->aux at the end.
3619
3620 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3621             Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * testsuite/lib/target-supports.exp
3624         (check_effective_target_fgraphite): New.
3625
3626         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3627         check_effective_target_fgraphite returns false.
3628         Set dg-do-what-default to compile.
3629         (scan-graphite-dump-times): Removed.
3630         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3631
3632         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3633         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3634         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3635         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3636         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3637         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3638         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3639         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3640         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3641         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3642         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3643         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3644         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3645         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3646         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3647         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3648         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3649         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3650         * testsuite/gcc.dg/graphite/block-0.c: Same.
3651         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3652         * testsuite/gcc.dg/graphite/block-1.c: Same.
3653         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3654         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3655         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3656         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3657         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3658
3659 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3660
3661         * graphite.c: Fix some XXX comments.
3662         (build_scop_dynamic_schedules): Removed.
3663
3664 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3665
3666         * graphite.h (scop_max_loop_depth): Moved...
3667         * graphite.c (scop_max_loop_depth): ...here.
3668         (remove_all_edges_1): New.
3669         (remove_all_edges): Factored code.
3670         (remove_cond_exprs): Check only the last statement for
3671         a GIMPLE_COND expression.
3672
3673 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3674
3675         * graphite.c (scan_tree_for_params): Early return when the
3676         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3677         (find_scop_parameters): Factor out code.
3678         (graphite_trans_bb_strip_mine): Remove dead code.
3679
3680 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3683         graphite_trans_bb_move_loop): Factor asserts.
3684         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3685         Do not call calculate_dominance_info and estimate_bb_frequencies.
3686
3687 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3688
3689         * graphite.c (create_loops_mapping, free_loops_mapping,
3690         create_loops_mapping_num, debug_loop_mapping_1,
3691         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3692         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3693         graphite_loops_mapping_add_child_num,
3694         graphite_loops_mapping_insert_child,
3695         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3696         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3697         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3698         create_num_from_index, get_num_from_index,
3699         swap_loop_mapped_depth): Removed.
3700         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3701         (free_scop): Do not call free_loops_mapping.
3702         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3703         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3704         get_loop_mapped_depth.
3705         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3706         (graphite_trans_bb_strip_mine): Same.
3707         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3708         (struct scop): Remove field loops_mapping.
3709
3710 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3711             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3712
3713         * graphite.c (scop_record_loop): Factor out one level of the
3714         condition by early return.
3715         (build_scop_loop_nests): Format following FSF coding style.
3716         (build_scop_dynamic_schedules): Factor out code.
3717         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3718
3719 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3720             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3721
3722         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3723         assignments that are not handled as simple operands for now.
3724
3725 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3726             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3727
3728         * graphite.c (build_scop_bbs): Factor up code.
3729
3730 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3731             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3732
3733         * graphite.c (stmt_simple_for_scop_p): Factor code out
3734         of the loop.
3735         (enum gbb_type): New.  Group all the GBB_* types under it.
3736         (is_loop_exit): Moved...
3737         (end_scop): Enable BB spliting.
3738         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3739         * cfgloop.h (is_loop_exit): Declared.
3740
3741 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         * doc/invoke.texi: Remove strides from examples containing
3744         DO loops when the strides are equal to 1.
3745
3746 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3747             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3748
3749         * graphite.c (graphite_trans_scop_block): Or the result with
3750         the result from graphite_trans_loop_block.
3751         * testsuite/gcc.dg/graphite/block-1.c: New.
3752         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3753         * testsuite/gfortran.dg/graphite/block-2.f: New.
3754
3755 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3756
3757         * graphite.c (graphite_transform_loops): Call cloog_initialize
3758         and cloog_finalize.
3759
3760 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3761
3762         * tree-data-ref.c) (stmt_simple_memref_p): New.
3763         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3764         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3765         (is_simple_operand): Call stmt_simple_memref_p.
3766
3767         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3768         using pointer arithmetic, as this is optimized by PRE and
3769         makes the code too difficult to analyze.
3770
3771         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3772
3773 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3774
3775         * gdbinit.in (pgg): New.
3776
3777 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3778
3779         * graphite.c (graphite_trans_loop_block): Fix warning.
3780
3781 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3782
3783         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3784
3785 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3786
3787         * graphite.c (graphite_trans_bb_block): Remove check for
3788         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3789         Check if loop blocking is profitable for every loop, before applying
3790         the changes.
3791         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3792         if flag_loop_block is set.
3793
3794 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * graphite.c: Add some more documentation for the loop
3797         mapping.
3798
3799 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3802         * graphite.c: Format on less than 80 columns.
3803         * graphite.h: Same.
3804
3805 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3808
3809 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * doc/invoke.texi (floop-block, floop-strip-mine,
3812         floop-interchange): Update documentation with examples.
3813
3814 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3817         add_referenced_var.
3818         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3819
3820 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3821
3822         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3823         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3824         * tree-scalar-evolution.c: Revert useless changes.
3825         * tree-phinodes.c: Same.
3826         * cfghooks.c: Same.
3827         * vec.h: Same.
3828         * tree-vectorizer.h: Same.
3829         * tree-flow.h: Same.
3830         * tree-cfg.c: Same.
3831         * common.opt (fgraphite): Update documentation.
3832
3833 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3834
3835         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3836         -floop-interchange): Add more text for explaining what each of these
3837         flags is doing.
3838         * tree-into-ssa.c (gimple_vec): Moved to...
3839         * graphite.c: Include gimple.h.
3840         (gimple_vec): Moved to...
3841         (del_loop_to_cloog_loop): Removed.
3842         (loop_affine_expr): Do not call create_data_ref when the
3843         operand is a constant.
3844         (new_scop): Use free instead of del_loop_to_cloog_loop.
3845         * Makefile.in (graphite.o): Depend on GIMPLE_H.
3846         * gimple.h (gimple_vec): ... here.
3847
3848 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3849
3850         * graphite.c (scopdet_bb_info): Only allow loops with known number of
3851         latch executions.
3852         (build_loop_iteration_domains): Fail, if latch executions unknown.
3853
3854 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3855
3856         * graphite.c (add_conditions_to_domain): New.
3857         (build_scop_conditions_1): Call add_conditions_to_domain.
3858         (set_cloog_options): Allow to disable optimizations.
3859
3860 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3861
3862         * graphite.c (find_params_in_bb): Look for parameters in conditions.
3863         Do not use walk_dominator_tree.
3864         (find_scop_parameters): Do not use walk_dominator_tree.
3865
3866 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3867
3868         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
3869         (idx_record_params): Adapt.
3870         * graphite.h (scop_gimple_loop_depth): New.
3871
3872 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3873
3874         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
3875         (scan_tree_for_params): Remove value_init.
3876         (build_scop_context): Remove value_init.
3877         (build_loop_iteration_domains): Remove value_init.
3878         (schedule_to_scattering): Remove value_init.
3879         (graphite_trans_bb_strip_mine): Remove value_init.
3880
3881 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3882
3883         * gcc/graphite.c (limit_scops): New.
3884         (graphite_transform_loops): Add limit SCoPs.
3885         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
3886         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
3887         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
3888         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
3889         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
3890         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
3891         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
3892         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
3893         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
3894         Change loop numbers.
3895         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
3896      &n