gcc/ChangeLog.graphite

   1 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
   2
   3         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
   4         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
   5         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
   6         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
   7
   8 2009-09-17 Li Feng  <nemokingdom@gmail.com>
   9
  10         PR middle-end/41118
  11         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
  12         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
  13         (graphite_carried_dependence_level_k): Ditto.
  14         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
  15         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
  16         (new_poly_dr): Adjust declaration.
  17         * graphite-sese-to-poly.c (free_data_refs_aux): New.
  18         (free_gimple_bb): Added free_data_refs_aux.
  19         (build_poly_dr): Add dr_base_object_set.
  20         (partition_drs_to_sets): New.
  21         (dr_same_base_object_p): New.
  22         (build_alias_set_for_drs): New.
  23         (build_base_object_set_for_drs): New.
  24         (build_scop_drs): Add build_base_obj_set_for_drs.
  25         * graphite-sese-to-poly.h: Added #define for alias set number index and
  26         base object set index.
  27         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
  28         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
  29
  30 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
  31
  32         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
  33         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
  34
  35 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * graphite-sese-to-poly.c (struct irp_data): Removed.
  38         (idx_record_params): Removed.
  39         (find_params_in_bb): Scan for parameters the access functions; don't
  40         parse the tree representation.
  41
  42 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
  45         passes at -O1 and below.
  46
  47 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
  50         tree-scalar-evolution.h, and then tree-data-ref.h.
  51         * graphite-clast-to-gimple.c: Same.
  52         * graphite-dependences.c: Same.
  53         * graphite-interchange.c: Same.
  54         * graphite-poly.c: Same.
  55         * graphite-scop-detection.c: Same.
  56         * graphite-sese-to-poly.c: Same.
  57         * graphite.c: Same.
  58         * lambda-code.c: Same.
  59         * matrix-reorg.c: Same.
  60         * tree-data-ref.c: Same.
  61         * tree-if-conv.c: Same.
  62         * tree-loop-distribu: Same.: Same.
  63         * tree-loop-linear.c: Same.
  64         * tree-parloops.c: Same.
  65         * tree-predcom.c: Same.
  66         * tree-vect-patterns.c: Same.
  67
  68 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         Partially revert the previous patch, except the following.
  71         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
  72         as parameters the operands of the not expression.
  73
  74 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  75
  76         * tree-scalar-evolution.c (instantiate_scev_assign): New.
  77         Do not call analyze_scalar_evolution on assignments.
  78         (instantiate_scev_phi): Call analyze_scalar_evolution.
  79         (instantiate_scev_name): Call instantiate_scev_assign and
  80         instantiate_scev_phi.
  81         (instantiate_scev_not): Adapted to pass as parameters the operands
  82         of the not expression.
  83
  84 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  85
  86         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
  87         to pass as parameters the operands of the binary expression.
  88
  89 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
  92         instantiate_scev_not.  Handle NEGATE_EXPR.
  93         (instantiate_scev_r): Handle NEGATE_EXPR.
  94
  95 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
  98         instantiate_scev_r.
  99         (instantiate_scev_r): Move code in instantiate_scev_2
 100         and instantiate_scev_1.
 101
 102 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         * tree-scalar-evolution.c (instantiate_scev_3): New.
 105         (instantiate_scev_1): Move code in instantiate_scev_3.
 106
 107 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 110         (instantiate_scev_1): Move code in instantiate_scev_poly.
 111
 112 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 113
 114         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 115         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 116
 117 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 118
 119         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 120         (instantiate_scev_1): Move code in instantiate_scev_convert.
 121
 122 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 123
 124         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 125         (instantiate_scev_1): Move code in instantiate_scev_binary.
 126
 127 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * tree-scalar-evolution.c (instantiate_scev_name): New.
 130         (instantiate_scev_1): Move code in instantiate_scev_name.
 131
 132 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 133
 134         * Merge from mainline (150992:151171).
 135
 136 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         * graphite-dependences.c (graphite_legal_transform_bb): Call
 139         pbb_remove_duplicate_pdrs.
 140         * graphite-poly.c (can_collapse_pdr): Removed.
 141         (pdr_find_duplicate): Removed.
 142         (can_collapse_pdrs): New.
 143         (pbb_remove_duplicate_pdrs): New.
 144         (new_poly_dr): Do not look for duplicates.
 145         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 146         (PBB_PDR_DUPLICATES_REMOVED): New.
 147         (pbb_remove_duplicate_pdrs): Declared.
 148
 149 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 152         the strides by multiplying by PDR_NB_REFS.
 153         * graphite-poly.c (can_collapse_pdr): New.
 154         (pdr_find_duplicate): New.
 155         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 156         Initialize PDR_NB_REFS.
 157         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 158         (PDR_NB_REFS): New.
 159         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 160
 161 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         Revert one of the previous commits:
 164         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 165         the computation of symmetric data dependence relations.
 166         (dependency_between_pbbs_p): Same.
 167
 168 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         PR middle-end/40965
 171         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 172         any transform.
 173
 174 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 175
 176         * graphite-dependences.c (pddr_original_scattering): Return NULL
 177         for read-read dependence relations.
 178         * graphite-poly.h (enum poly_dr_type): Fix comment.
 179         (pdr_read_p): New.
 180         (pdr_write_p): New.
 181         (pdr_may_write_p): New.
 182
 183 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 184
 185         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 186         (struct poly_dr): Same.
 187         (new_poly_dr): Same.
 188         * graphite-poly.c (new_poly_dr): Same.
 189
 190 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 191             Sebastian Pop  <sebastian.pop@amd.com>
 192
 193         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 194         pbb_strip_mine_time_depth.  Changed the implementation so that
 195         transformation is expressed as a transformation on
 196         time (scatttering) dimensions.  Also, ensures that the 2d+1
 197         scheduling format is preserved.
 198         (pbb_strip_mine_profitable_p): Profitability is based on the
 199         iteration number of a given time (scattering) dimension,
 200         and not on a original loop depth dimension.
 201         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 202         (pbb_do_strip_mine): Call psct_dynamic_dim.
 203         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 204         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 205         (pbb_nb_dynamic_scattering_transform): New.
 206         (psct_dynamic_dim): New.
 207
 208 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 209
 210         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 211         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 212         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 213         * graphite-interchange.c (build_linearized_memory_access): Same.
 214         (memory_stride_in_loop): Same.
 215
 216 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 217
 218         * graphite-dependences.c (pddr_original_scattering): New.
 219         (graphite_legal_transform_dr): Call pddr_original_scattering.
 220         (dot_deps_1): New.
 221         (dot_deps): New.
 222         * graphite-dependences.h (dot_deps): Declared.
 223         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 224         (print_pdr): Print PDR_ID.
 225         * graphite-poly.h (struct poly_dr): Add field id.
 226         (PDR_ID): New.
 227         (pbb_index): New.
 228         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 229
 230 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 231
 232         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 233         not delete the original dependence relation.
 234
 235 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 238         the computation of symmetric data dependence relations.
 239         (dependency_between_pbbs_p): Same.
 240
 241 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 242
 243         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 244         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 245         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 246         (free_poly_ddr): New.
 247         (pddr_is_empty): New.
 248         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 249         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 250         Remove fprintfs.
 251         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 252         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 253         * graphite-dependences.h (enum poly_dependence_kind): New.
 254         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 255         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 256         (PDRP_SINK): Renamed PDDR_SINK.
 257         (PDRP_DDP): Renamed PDDR_DDP.
 258         (PDDR_KIND): New.
 259         (free_poly_ddr): Declared.
 260         * graphite-poly.c (new_scop): Use the new hash function names.
 261         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 262         into original_pddrs.
 263         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 264
 265 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * Merge from mainline (150764:150992).
 268
 269 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 270
 271         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 272         bounds with LT_EXPR to make niter analysis more precise on code
 273         generated by Graphite.
 274
 275 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 276
 277         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 278         (graphite_legal_transform_bb): Same.
 279         (poly_drs_may_alias_p): Same.
 280
 281 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 282
 283         PR middle-end/40981
 284         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 285         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 286
 287 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-poly.c (print_pbb): Print PBB index.
 290
 291 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 292
 293         * Merge from mainline (r150672:150764).
 294
 295 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 296
 297         * graphite-interchange.c (ppl_max_for_le): Moved...
 298         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 299         * graphite-ppl.c (ppl_max_for_le): ... here.
 300         * graphite-ppl.h (ppl_max_for_le): Declared.
 301
 302 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * Merge from mainline (r150372:150672).
 305
 306 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         PR middle-end/40980
 309         * sese.c (convert_for_phi_arg): New.
 310         (add_guard_exit_phis): Use convert_for_phi_arg.
 311
 312         * testsuite/gfortran.dg/graphite/id-17.f: New.
 313
 314 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 315
 316         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 317         unknown subscript upper bounds.
 318
 319         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 320
 321 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 322             Pranav Garg  <pranav.garg2107@gmail.com>
 323
 324         * graphite-interchange.c (gather_access_strides): Removed.
 325         (ppl_max_for_le): New.
 326         (build_linearized_memory_access): New.
 327         (memory_stride_in_loop): New.
 328         (pbb_interchange_profitable_p): Reimplemented.
 329         * graphite-ppl.h (ppl_new_id_map): New.
 330         (ppl_interchange): New.
 331
 332         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 333
 334 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * graphite-interchange.c (compute_subscript): Removed.
 337         (compute_array_size_cstr): Removed.
 338         (compute_array_size_poly): Removed.
 339         (compute_array_size): Removed.
 340         (gather_access_strides_poly): Removed.
 341         (gather_access_strides): Empty.
 342
 343 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 344
 345         * graphite-dependences.c (dependence_polyhedron_1): Replace
 346         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 347         (graphite_legal_transform_dr): Same.
 348         (graphite_carried_dependence_level_k): Same.
 349         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 350         Initialize PDR_NB_SUBSCRIPTS.
 351         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 352         PDR_NB_SUBSCRIPTS.
 353         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 354         (PDR_NB_SUBSCRIPTS): New.
 355         (pdr_nb_subscripts): Removed.
 356         (pdr_dim): Simplified.
 357         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 358         with PDR_NB_SUBSCRIPTS.
 359
 360 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * graphite-interchange.c (compute_array_size): Remove use of
 363         PDR_DATA_CONTAINER.
 364         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 365         Do not initialize PDR_DATA_CONTAINER.
 366         (print_pdr): Do not print PDR_DATA_CONTAINER.
 367         * graphite-poly.h (struct poly_dr): Remove data_container field.
 368         (PDR_DATA_CONTAINER): Removed.
 369         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 370         PDR_DATA_CONTAINER.
 371         (build_poly_dr): Same.
 372
 373 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 374
 375         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 376
 377 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 378             Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 381         copy of the dependence polyhedron.  Free the temporary objects.
 382         (graphite_carried_dependence_level_k): Free unused objects before
 383         returning.
 384
 385         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 386         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 387         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 388         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 389         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 390
 391 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 392
 393         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 394         Early return without analyzing the data dependences if no
 395         transform has been done.  Call restore_scattering if the transform
 396         is not legal.
 397         (graphite-interchange.c): Same.
 398         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 399         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 400         (apply_poly_transforms): Do not gcc_assert that
 401         the transform is legal.
 402         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 403         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 404         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 405         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 406         * graphite-poly.h (struct poly_scattering): New.
 407         (struct poly_bb): Add original, transformed, and saved fields.
 408         Remove transformed_scattering, original_scattering, nb_local_variables,
 409         and nb_scattering_transform fields.
 410         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 411         (poly_scattering_new): New.
 412         (poly_scattering_free): New.
 413         (poly_scattering_copy): New.
 414         (store_scattering_pbb): New.
 415         (store_scattering): New.
 416         (restore_scattering_pbb): New.
 417         (restore_scattering): New.
 418         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 419         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 420
 421 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 422
 423         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 424         (print_scop): Same.
 425
 426 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * Makefile.in (graphite.o): Depends on PREDICT_H.
 429         * graphite.c: Include predict.h.
 430         (graphite_finalize): Call tree_estimate_probability.
 431         * predict.c (predict_loops): Do not call scev_initialize and
 432         scev_finalize.
 433         (tree_estimate_probability_bb): New.
 434         (tree_estimate_probability): Do not initialize loops: move that
 435         code to the driver.  Call tree_estimate_probability_bb.
 436         (tree_estimate_probability_driver): New.
 437         (pass_profile): Use tree_estimate_probability_driver.
 438         * predict.h (tree_estimate_probability): Declared.
 439
 440 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 441
 442         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 443         * graphite-dependences.c (graphite_legal_transform): Add time to
 444         TV_GRAPHITE_DATA_DEPS.
 445         (dependency_between_pbbs_p): Same.
 446         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 447
 448 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * Merge from mainline (r149952:150372).
 451
 452 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 453
 454         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 455         * graphite-blocking.c: Same.
 456         * graphite-clast-to-gimple.c: Same.
 457         * graphite-dependences.c: Same.
 458         * graphite-poly.c: Same.
 459         * graphite-poly.h: Same.
 460         * graphite-ppl.c: Same.
 461         * graphite-scop-detection.c: Same.
 462         * graphite-sese-to-poly.c: Same.
 463         * graphite.c: Same.
 464
 465 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 468         (remove_simple_copy_phi): New.
 469         (remove_invariant_phi): New.
 470         (simple_copy_phi_p): New.
 471         (reduction_phi_p): New.
 472         (gsi_for_ssa_name_def): New.
 473         (insert_out_of_ssa_copy): New.
 474         (insert_out_of_ssa_copy_on_edge): New.
 475         (create_zero_dim_array): New.
 476         (scalar_close_phi_node_p): New.
 477         (rewrite_close_phi_out_of_ssa): New.
 478         (rewrite_phi_out_of_ssa): New.
 479         (rewrite_reductions_out_of_ssa): New.
 480         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 481
 482         * testsuite/gcc.dg/graphite/id-11.c: New.
 483         * testsuite/gcc.dg/graphite/id-15.c: New.
 484         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 485         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 486         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 487         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 488         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 489         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 490         * testsuite/gfortran.dg/graphite/id-13.f: New.
 491         * testsuite/gfortran.dg/graphite/id-5.f: New.
 492
 493 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 494
 495         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 496         check that nb_reductions_in_loop is zero.
 497         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 498         reduction phi nodes.
 499         (nb_reductions_in_loop): Removed.
 500         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 501         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 502         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 503         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 504         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 505
 506 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 509         statements that have an empty iteration domain.
 510         * testsuite/gfortran.dg/graphite/id-16.f: New.
 511
 512 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * tree-scalar-evolution.c (instantiate_scev_1): Return
 515         chrec_dont_know when the result is not above instantiate_below.
 516         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 517         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 518         the tree has a known scalar evolution.
 519         * testsuite/gfortran.dg/graphite/id-14.f: New.
 520         * testsuite/gfortran.dg/graphite/id-15.f: New.
 521
 522 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 525         insert_gsi.
 526         (rename_variables): Keep inserting renames after the ones already
 527         inserted.
 528
 529 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 530
 531         * graphite-sese-to-poly.c (compare_bb_depths): New.
 532         (graphite_sort_dominated_info): New.
 533         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 534         (build_scop_scattering): Fix comment.
 535
 536 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * graphite.c (graphite_finalize): Call print_loops instead of
 539         dump_function_to_file.
 540         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 541         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 542         loops generated in the graphite output file.
 543         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 544         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 545         * testsuite/gfortran.dg/graphite/id-12.f: New.
 546
 547 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 548
 549         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 550         Remove 2 XFAIL.
 551
 552 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 553             Tobias Grosser  <grosser@fim.uni-passau.de>
 554
 555         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 556         alias set number build alias in ACCESSES polyhedron.
 557         (build_alias_set_for_drs): New.
 558         (build_pbb_drs): Added build_alias_set_for_drs.
 559         * graphite-dependences.c (poly_drs_may_alias_p): New.
 560         (graphite_carried_dependence_level_k): Check alias information
 561         before building polyhedron.
 562
 563 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 564
 565         * Makefile.in (lambda-code.o): Fix formatting.
 566
 567 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 568
 569         * Merge from mainline (r149350-149952)
 570
 571 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 572
 573         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 574         before interchange to prepare for loop blocking.
 575
 576 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 577
 578         * graphite-poly.c (apply_poly_transforms): Add checks after every
 579         transformation.
 580         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 581         done in apply_poly_transforms.
 582
 583 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 584
 585         * graphite-dependences.c (build_lexicographically_gt_constraint):
 586         Replace RES parameter with *RES.
 587         (dependence_polyhedron_1): Pass an address of the parameter RES
 588         instead of value of RES.
 589
 590 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite.c (graphite_finalize): Fix comment.
 593         (graphite_transform_loops): Reset scev info after code generation
 594         of each scop.
 595
 596 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * graphite.c (graphite_finalize): Call scev_reset.
 599
 600 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 603         GBB_CLOOG_IV_TYPES hash table twice.
 604         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 605         (add_condition_to_domain): Clear GMP values.
 606
 607 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 608
 609         * graphite-dependences.c: Fix formatting.
 610         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 611         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 612         * graphite-sese-to-poly.c: Fix formatting.
 613         * graphite.c (graphite_transform_loops): Create the hash table
 614         after the early return.
 615
 616 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 617
 618         * testsuite/gcc.dg/graphite/id-14.c: New.
 619         * testsuite/gcc.dg/graphite/pr40157.c: New.
 620         * testsuite/gfortran.dg/graphite/id-11.f: New.
 621
 622 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 625         (build_poly_scop): Return false when there are no pbbs within
 626         loops to avoid to pass to cloog scops with no loops.
 627
 628 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 631         useless test "i % 2".
 632         (build_pbb_scattering_polyhedrons): Fix formatting.
 633         (build_poly_dr): Same.
 634         * graphite.c (graphite_transform_loops): Restructure.
 635
 636 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 637
 638         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 639         reduction_list parameter.
 640         (rewrite_all_phi_nodes_with_iv): Same.
 641         (canonicalize_loop_ivs): Same.
 642         * tree-parloops.c (struct brli): Removed.
 643         (build_reduction_list_info): Removed.
 644         (build_new_reduction): New.
 645         (analyze_reduction_list): Removed.
 646         (gather_scalar_reductions): Find reductions instead of phi
 647         nodes that can't be canonicalized.
 648         (try_create_reduction_list): Remove reduction_list parameter.
 649         (gen_parallel_loop): Same.
 650         (parallelize_loops): Remove analyze_reductions variable,
 651         initialization and free.
 652         Change reduction_list htab initialization to reduction_info
 653         elements instead of ssa names.
 654         Call try_create_reduction_list and gen_parallel_loop without
 655         analyzed_reduction argument.
 656         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 657         canonicalize_loop_ivs with one less argument.
 658         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 659
 660 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 661
 662         * graphite-dependences.c (new_poly_dr_pair): New.
 663         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 664         (new_poly_dr_pair): New.
 665         (eq_poly_dr_pair_p): New.
 666         (hash_poly_dr_pair_p): New.
 667         * graphite-dependences.h (struct poly_dr_pair): New.
 668         (eq_poly_dr_pair_p): Declared.
 669         (hash_poly_dr_pair_p): Declared.
 670         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 671         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 672         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 673         * Makefile.in (graphite-poly.o): Add dependence on
 674         graphite-dependences.h.
 675
 676 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 677
 678         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 679         polynomials of degree > 1 pass to Graphite.
 680         * tree-chrec.c (scev_is_linear_expression): Call
 681         evolution_function_is_affine_multivariate_p.
 682         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 683
 684 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 687         Instantiate scevs varying in outer loops.
 688         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 689
 690 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 693         redundant constraint.
 694
 695 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 698         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 699         based on the file names as in the C testsuite.
 700         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 701         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 702         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 703         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 704         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 705         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 706         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 707         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 708         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 709         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 710         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 711         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 712         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 713
 714 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * sese.c (expand_scalar_variables_call): New.
 717         (expand_scalar_variables_ssa_name): Handle calls in expander.
 718
 719 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 722         Expect to see the pattern twice.
 723         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 724         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 725         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 726
 727 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 728
 729         * testsuite/gcc.dg/graphite/id-10.c: New.
 730         * testsuite/gcc.dg/graphite/id-12.c: New.
 731         * testsuite/gfortran.dg/graphite/id-7.f: New.
 732         * testsuite/gfortran.dg/graphite/id-8.f: New.
 733
 734 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 735
 736         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 737         zero.
 738
 739 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 740
 741         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 742
 743 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 744
 745         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 746
 747 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 748
 749         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 750         building PDR subscripts.
 751
 752 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 755         computation of array sizes.
 756
 757 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 760
 761 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 762
 763         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 764         build_pairwise_constraint, dr_equality_constraints,
 765         build_pairwise_scheduling_equality,
 766         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 767         build_lexicographically_gt_constraint, dependence_polyhedron,
 768         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 769         Move from NNC_Polyhedron to C_Polyhedron.
 770         * graphite-interchange.c (compute_array_size_poly,
 771         gather_access_strides): Dito.
 772         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 773         free_scop, pbb_number_of_iterations): Dito.
 774         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 775         pbb_dim_iter_domain, struct scop): Dito.
 776         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 777         new_Cloog_Domain_from_ppl_Polyhedron,
 778         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 779         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 780         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 781         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 782         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 783         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 784         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 785         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 786         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 787         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 788         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 789         build_scop_iteration_domain, build_poly_dr): Dito
 790
 791 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 792
 793         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 794         run-id-*.c files.
 795         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 796
 797 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 800         positivity constraint on the symbolic number of iterations.
 801
 802 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 803
 804         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 805
 806 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 807             Tobias Grosser  <grosser@fim.uni-passau.de>
 808
 809         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 810         (build_cloog_prog): Directly use SCOP_CONTEXT.
 811         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 812         (free_scop): Free SCOP_CONTEXT.
 813         (print_scop_context): New.
 814         (print_scop): Call print_scop_context.
 815         (debug_scop_context): New.
 816         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 817         (struct scop): Added field context.
 818         (SCOP_CONTEXT): New.
 819         * graphite-sese-to-poly.c (add_param_constraints): New.
 820         (build_scop_context): New.
 821         (build_poly_scop): Call build_scop_context.
 822
 823 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 826         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 827         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 828         * graphite-ppl.h: Include double-int.h and tree.h.
 829         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 830         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 831         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 832         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 833
 834 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 835
 836         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 837         POINTER_PLUS_EXPR for pointer types.
 838         (clast_to_gcc_expression): Same.
 839
 840 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * graphite-poly.c (print_scattering_function): Early return when
 843         PBB_TRANSFORMED_SCATTERING is not initialized.
 844         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 845
 846 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 847
 848         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 849         to fix bootstrap.
 850
 851 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 852
 853         * tree-parloops.c (analyze_reduction_list): Change return
 854         value to void.
 855         (try_create_reduction_list): Move the call to
 856         analyze_reduction_list to the beginining.
 857         Call reduction_phi with analyzed_reductions as argument
 858         instead of reduction_list.
 859
 860 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 861
 862         *  Merge from mainline (r148296:149346)
 863
 864 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         * graphite-scop-detection.c (graphite_can_represent_init): New.
 867         (graphite_can_represent_scev): Call graphite_can_represent_init:
 868         check that the initial value does not contain multiplications of
 869         parameters.
 870         (stmt_has_simple_data_refs_p): New.
 871         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 872         (is_simple_operand): Fix formatting.
 873         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 874
 875 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * testsuite/gcc.dg/graphite/id-13.c: New.
 878         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 879         analyze_scalar_evolution, use scalar_evolution_in_region.
 880         (scan_tree_for_params_right_scev): Add extra assert.
 881         (parameter_index_in_region_1): Split from parameter_index_in_region.
 882         (idx_record_params): Use scalar_evolution_in_region.
 883         (find_params_in_bb): Same.
 884         (find_scop_parameters): Same.
 885         (build_loop_iteration_domains): Same.
 886         (create_linear_expr_from_tree): Same.
 887         * sese.c (scalar_evolution_in_region): New.
 888         * sese.h (scalar_evolution_in_region): Declared.
 889         (defined_in_sese_p): New.
 890         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 891         static anymore.
 892         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 893         Declared.
 894
 895 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 896
 897         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 898         TREE_DATA_REF_H also implies SCEV_H.
 899
 900 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * graphite-poly.c (print_scop_params): New.
 903         (print_scop): Call print_scop_params.
 904         (debug_scop_params): New.
 905         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 906
 907 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 908
 909         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 910         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 911         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 912         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 913         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 914         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 915
 916 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 917
 918         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 919         for dependency checking part.
 920         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 921         tests for dependency checking.
 922         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 923         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 924         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 925         flag -fdump-tree-graphite-all for autopar testsuites.
 926
 927 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 930         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 931         canonicalize_loop_ivs): Moved...
 932         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 933
 934 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 935
 936         * tree-parloops.c (try_create_reduction_list): Pass an extra
 937         argument analyzed_reductions.  Call analyze_reduction_list.
 938         (gen_parallel_loop): Do not call analyze_reduction_list.
 939         (parallelize_loops): Init and finalize analyzed_reductions.
 940
 941 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 942
 943         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 944         Added flag -fno-loop-strip-mine for autopar testcase.
 945
 946 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 947
 948         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 949         transformed scattering dimension instead of unmatch orignal when
 950         calling dependence_polyhedron.
 951
 952 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 953
 954         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 955
 956 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 957
 958         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 959         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 960
 961 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 964         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 965         * graphite-poly.c (pbb_number_of_iterations): New.
 966         * graphite-poly.h (pbb_number_of_iterations): Declared.
 967         (pbb_iterator_dim, pbb_parameter_dim): New.
 968
 969 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 970
 971         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 972         last commit on type of lower and upper bound of loops.
 973
 974 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 975
 976         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 977         graphite-dependences.h.
 978         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 979         (mark_bb_with_pbb): New.
 980         (get_stmtfor_depth): New.
 981         (find_pbb_via_hash): New.
 982         (dependency_in_loop_p): New.
 983         (mark_loops_parallel): New.
 984         (free_aux_in_new_loops): New.
 985         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 986         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 987         innermost loop parallel without checking.
 988         (gloog): Add parameter BB_PBB_MAPPING.
 989         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 990         (gloog): Change declaration.
 991         (mark_loop_parallel): Make extern.
 992         (free_aux_in_new_loops): Declare.
 993         (bb_pbb_map_hash): New.
 994         (eq_bb_pbb_map): New.
 995         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 996         auto parallelization when flag_graphite_force_parallel is set.
 997         (graphite_finalize): Added free_aux_in_new_loops.
 998         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 999         the innermost loop that marked parallel.  Use
1000         flag_graphite_force_parallel instead of loop->can_be_parallel.
1001         (loop_parallel_p): Move inner most checking out of function.
1002
1003 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1006         type of lower and upper bound of loops signed long int.
1007
1008 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1011         expression outside the loop.
1012
1013 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * gcc.dg/graphite/interchange-8.c: New.
1016
1017 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * gcc.dg/graphite/interchange-0.c: XFailed.
1020         * gcc.dg/graphite/interchange-5.c: XFailed.
1021         * gcc.dg/graphite/interchange-6.c: XFailed.
1022
1023 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-interchange.c (compute_array_size_poly): The end of the
1026         recursion should return 1.
1027
1028 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1029
1030         * graphite-interchange.c (compute_array_size_cstr): Allow the
1031         subscript multiplier to be -1.
1032         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1033         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1034         data_container.  Initializes PDR_DATA_CONTAINER.
1035         (print_pdr_access_layout): New.
1036         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1037         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1038         data_container.
1039         (PDR_DATA_CONTAINER): New.
1040         (new_poly_dr): Update declaration.
1041         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1042         (build_poly_dr): Call pdr_add_data_dimensions.
1043
1044 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1045
1046         * graphite-poly.h (struct poly_dr): Fix comment.
1047         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1048         (pdr_add_memory_accesses): New.
1049         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1050
1051 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1052
1053         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1054         (print_pbb): Add call to print_pdrs.
1055         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1056
1057 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1058             Li Feng <nemokingdom@gmail.com>
1059
1060         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1061         (dependency_between_pbbs_p): New.
1062         (lexicographically_gt_p): Assure !empty_p before polyhedron
1063         intersection assign.
1064         (build_lexicographically_gt_constraint): Correct lexicographically
1065         judging.
1066         * graphite-dependences.h: New.
1067         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1068
1069 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1070
1071         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1072         (gloog): Print to dump_file the generated clast.
1073         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1074         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1075
1076 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1077
1078         * graphite-poly.c (extend_scattering): Increment
1079         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1080
1081 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * graphite-interchange.c (compute_array_size_poly): Added exit of
1084         recursion condition.  Continue iterating even after the first equality.
1085         (compute_array_size): Same.
1086
1087 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1088
1089         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1090         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1091         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1092         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1093         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1094
1095 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1096
1097         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1098         only when the use verifies is_gimple_reg.
1099
1100 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1101
1102         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1103         Allocate scaldims after call to unify_scattering_dimensions.
1104
1105 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1108
1109 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1110             Albert Cohen  <albert.cohen@inria.fr>
1111
1112         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1113         variables for the strip mining.
1114
1115 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1116             Pranav Garg  <pranav.garg2107@gmail.com>
1117
1118         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1119         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1120         (graphite-blocking.o): New rule.
1121         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1122         * graphite-blocking.c: New.
1123         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1124         flag_loop_strip_mine.
1125         (psct_scattering_dim_for_loop_depth): New.
1126         * graphite-poly.h (scop_do_strip_mine): Declared.
1127         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1128         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1129         flag_loop_strip_mine.
1130
1131 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1134         a GMP value and a PPL coefficient at each iteration of a loop.
1135
1136 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * graphite-dependences.c (dependence_polyhedron): Do not use
1139         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1140         pbb_nb_scattering_transform.
1141         (graphite_legal_transform_dr): Same.
1142         * graphite-poly.c (extend_scattering): Same.
1143         (unify_scattering_dimensions): Same.
1144         (print_scattering_function): Same.
1145         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1146         PBB_NB_LOCAL_VARIABLES.
1147         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1148         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1149         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1150         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1151         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1152         (pbb_nb_scattering_transform): New.
1153         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1154         (psco_scattering_dim): Add assert on parameters.
1155         (psct_scattering_dim): Same.
1156         (psct_scattering_dim_for_loop_depth): Declared.
1157         (psct_local_var_dim): New.
1158         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1159         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1160         correct layout, call pbb_nb_local_vars.
1161         (psct_add_local_variable, psct_add_scattering_dimension): New.
1162         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1163         Initialize PBB_NB_SCATTERING_TRANSFORM.
1164
1165 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1168         (set_coef): Renamed ppl_set_coef.
1169         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1170
1171 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1174         test a boolean against 1.
1175         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1176         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1177         (pbb_do_interchange): Returns true when a transform has been performed.
1178         (scop_do_interchange): Same.
1179         * graphite-poly.c (apply_poly_transforms): Use the return value of
1180         scop_do_interchange.
1181         * graphite-poly.h (scop_do_interchange): Update declaration.
1182
1183 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1184
1185         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1186         after last use.
1187         * sese.c (sese_reset_aux_in_loops): New.
1188         * sese.h (sese_reset_aux_in_loops): New.
1189
1190 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1193         multiplier and multiply the constant by the multiplier.
1194         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1195         (build_poly_dr): Do not use the multiplier to define the subscript.
1196
1197 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1200         compiler's data reference.  Initialize PDR_CDR.
1201         (print_pdr): Call dump_data_reference.
1202         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1203         Add compiler_dr field.
1204         (PDR_BB): Renamed PDR_PBB.
1205         (PDR_CDR): New.
1206         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1207         GCC's data reference representation.
1208         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1209         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1210
1211 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1212
1213         * graphite-poly.c (print_scattering_function): Also print the layout.
1214         * graphite-poly.h (pbb_nb_local_vars): New.
1215
1216 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1217
1218         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1219
1220 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1221
1222         * graphite-poly.c (print_pdr, debug_pdr): New.
1223         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1224         (PDR_BASE): Removed.
1225
1226 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1229         ltrans-{1..6,8}.c.
1230
1231 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1234         subscript identification column.
1235         (pbb_do_interchange): Print to dump_file that some loops "will be
1236         interchanged".  Rely on that chain of characters in the testcases.
1237         * gcc.dg/graphite/interchange-0.c: New.
1238         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1239         interchange-*.c files and compile them with -floop-interchange.
1240
1241 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1242
1243         * graphite-interchange.c (interchange_profitable_p): Renamed
1244         pbb_interchange_profitable_p.
1245
1246 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1247             Harsha Jagasia  <harsha.jagasia@amd.com>
1248             Pranav Garg  <pranav.garg2107@gmail.com>
1249
1250         * graphite-interchange.c (interchange_profitable_p): Make static.
1251         (pbb_interchange_loop_depths, pbb_do_interchange,
1252         scop_do_interchange): New.
1253         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1254         for flag_loop_interchange.
1255         * graphite-poly.h (scop_do_interchange): Declared.
1256         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1257         flag_loop_interchange is used.
1258
1259 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1260
1261         * graphite-dependences.c (dependence_polyhedron): Update use of
1262         pbb_nb_scattering_dims.
1263         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1264         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1265         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1266         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1267
1268 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         * graphite.c: Cleanup foo.
1271
1272 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * Merge from mainline (r143684:148293).
1275         * Disabled libpcp until it gets fixed.
1276
1277 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1278             Harsha Jagasia  <harsha.jagasia@amd.com>
1279
1280         * graphite-interchange.c: New.
1281         * Makefile.in (graphite-interchange.o): New.
1282         * graphite-poly.h (interchange_profitable_p): Declared.
1283         * graphite-ppl.h (value_max): New.
1284
1285 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1286
1287         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1288         * graphite-poly.h: Fix some comments.
1289         (pdr_dim): New.
1290         (pdr_scop): New.
1291
1292 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * graphite-poly.h
1295         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1296         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1297         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1298         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1299         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1300         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1301         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1302         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1303         * graphite-clast-to-gimple.c: Same.
1304         * graphite-dependences.c: Same.
1305         * graphite-poly.c: Same.
1306         * graphite-sese-to-poly.c: Same.
1307
1308 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1311         expressions for an IV rename, as returned by clast_to_gcc_expression.
1312         (copy_renames): Rename new_name to expr.
1313         * sese.c (debug_rename_elt): Same.
1314         (get_rename): Same.
1315         (set_rename): Same.
1316         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1317         the information from the rename map.
1318         (rename_variables_in_stmt): Same.
1319         (add_loop_exit_phis): Rename new_name to expr.
1320         (insert_loop_close_phis): Same.
1321         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1322         * sese.h (struct rename_map_elt): Rename new_name to expr.
1323         (new_rename_map_elt): Same.
1324
1325 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1328         * sese.c (set_rename): Make it extern.
1329         * sese.h (set_rename): Declared.
1330
1331 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1332
1333         * graphite-poly.c (extend_scattering): Free values.
1334         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1335         Free iterators.
1336         (ppl_print_powerset_matrix): Same.
1337         * graphite-scop-detection.c (free_scops_1): New.
1338         (limit_scops): Call free_scops_1.
1339         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1340         (build_poly_dr): Free PPL coefficients.
1341         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1342
1343 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1344
1345         * graphite-dependences.c: New.
1346         * graphite-data-ref.c: Removed.
1347         * graphite-data-ref.h: Removed.
1348         * Makefile.in (graphite-data-ref.o): Removed.
1349         (graphite-dependences.o): Added.
1350         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1351         * graphite-poly.c: Same.
1352         Move the data dependence testing to graphite-dependences.c.
1353
1354 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1355
1356         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1357         from graphite_cannot_represent_loop. Code refactored.
1358         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1359
1360 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1361
1362         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1363         Cover all the testcases (not only the filtered ones).
1364
1365 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1366
1367         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1368         unnecessary check. Update comments. Move check for REAL_TYPE here.
1369         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1370         done in (stmt_simple_for_scop_p).
1371
1372 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1373
1374         * graphite.c (print_global_statistics): New.
1375         (print_graphite_scop_statistic): New.
1376         (print_graphite_statistics): New.
1377         (graphite_initialize, graphite_transform_loops): Print statistics.
1378         * graphite-scop-detection (build_scops): Print statistics.
1379         (print_graphite_scop_statistics): New.
1380         (print_graphite_statistics): New.
1381
1382 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1385         (debug_clast_name_index): Removed.
1386         (debug_clast_name_indexes_1): Removed.
1387         (debug_clast_name_indexes): Removed.
1388         (clast_name_index_elt_info): Removed.
1389         (eq_clast_name_indexes): Removed.
1390         (clast_name_to_index): Removed.
1391         (new_clast_name_index): Removed.
1392         (save_clast_name_index): Removed.
1393         (save_var_name): Moved...
1394         (init_sese_params_index): Removed.
1395         (clast_name_to_gcc): Remove use of name_tree.
1396         (initialize_cloog_names): Same.
1397         (gloog): Do not call init_sese_params_index.
1398         * graphite-sese-to-poly.c (save_var_name): ...here.
1399         (parameter_index_in_region): New.
1400         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1401         (parameter_index_in_region): Removed.
1402         (is_parameter): Remove use of name_tree.
1403         * sese.h (struct name_tree): Removed.
1404         (struct sese): Remove use of name_tree.  New field params_names.
1405         (SESE_PARAMS_NAMES): New.
1406         (SESE_PARAMS): Remove duplicate.
1407         (parameter_index_in_region): Removed.
1408         (sese_nb_params): Remove use of name_tree.
1409         (struct clast_name_index): New.
1410         (new_clast_name_index): New.
1411         (clast_name_to_index): New.
1412         (save_clast_name_index): New.
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
1419 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1422         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1423         (graphite_loop_normal_form): Do not pass region.  Do not
1424         initialize SESE_OLDIVS.
1425         (build_graphite_loop_normal_form): Update call to
1426         graphite_loop_normal_form.
1427         * sese.c (debug_oldivs): Removed.
1428         (new_sese): Do not initialize SESE_OLDIVS.
1429         (free_sese): Do not free SESE_OLDIVS.
1430         (oldiv_for_loop): Removed.
1431         * sese.h (struct sese): Remove old_ivs.
1432         (SESE_OLDIVS): Removed.
1433         (oldiv_for_loop): Removed.
1434
1435 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1436
1437         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1438         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1439         replaced by a call to newivs_to_depth_to_newiv.
1440         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1441         (clast_to_gcc_expression_red): Same.
1442         (gcc_type_for_clast_expr): Same.
1443         (gcc_type_for_clast_eq): Same.
1444         (graphite_translate_clast_equation): Same.
1445         (graphite_create_guard_cond_expr): Same.
1446         (graphite_create_new_guard): Same.
1447         (graphite_create_new_loop): Same.
1448         (build_iv_mapping): Same.
1449         (translate_clast): Same.
1450         (gloog): Same.
1451         (loop_iv_stack_patch_for_consts): Removed.  *
1452         sese.c (iv_stack_entry_is_constant): Removed.
1453         (iv_stack_entry_is_iv): Removed.
1454         (loop_iv_stack_push_iv): Removed.
1455         (loop_iv_stack_insert_constant): Removed.
1456         (loop_iv_stack_pop): Removed.
1457         (loop_iv_stack_get_iv): Removed.
1458         (loop_iv_stack_get_iv_from_name): Removed.
1459         (debug_loop_iv_stack): Removed.
1460         (free_loop_iv_stack): Removed.
1461         (loop_iv_stack_remove_constants): Removed.  *
1462         sese.h (iv_stack_entry_kind): Removed.
1463         (iv_stack_entry_data_union): Removed.
1464         (iv_stack_entry_struct): Removed.
1465         (iv_stack_entry_p): Removed.
1466         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1467         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1468         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1469         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1470         (gbb_loop_at_index): Fix indenting.
1471         (gbb_loop_index): Removed.
1472
1473 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1474
1475         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1476         Call clast_name_to_index.
1477
1478 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1479
1480         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1481         do not pass params.  Get params from SESE_PARAMS.
1482         (clast_to_gcc_expression): Same.
1483         (clast_to_gcc_expression_red): Same.
1484         (gcc_type_for_clast_eq): Same.
1485         (graphite_translate_clast_equation): Same.
1486         (graphite_create_new_loop): Same.
1487         * sese.c (rename_variables_in_stmt): Fix comment.
1488
1489 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1492         newivs_index.
1493         Call save_clast_name_index.
1494         (translate_clast): Pass newivs_index.
1495         (gloog): Create and free newivs_index.
1496
1497 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1500         (clast_name_index_p): New type.
1501         (debug_clast_name_index): New.
1502         (debug_clast_name_indexes_1): New.
1503         (debug_clast_name_indexes): New.
1504         (clast_name_index_elt_info): New.
1505         (eq_clast_name_indexes): New.
1506         (clast_name_to_index): New.
1507         (new_clast_name_index): New.
1508         (save_clast_name_index): New.
1509         (init_sese_params_index): New.
1510         (gloog): Call init_sese_params_index.
1511         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1512         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1513         (free_sese): Free SESE_PARAMS_INDEX.
1514         * sese.h (struct sese): Add params_index.
1515         (SESE_PARAMS_INDEX): New.
1516
1517 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1520         (graphite_create_new_loop): Pass the newivs vector.  Push the
1521         newly created IV to newivs.
1522         (translate_clast): Pass the newivs vector.
1523         (gloog): Create and destroy the newivs vector.
1524
1525 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1526
1527         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1528         (graphite_loop_normal_form): Initialize loop->aux with the unique
1529         IV that has been created.
1530
1531 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1532
1533         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1534         scev with parameters in the base part. They where forbidden
1535         exidently.
1536
1537 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1538
1539         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1540         compile options by file names.
1541         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1542         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1543         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1544         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1545
1546 2009-05-08  Li Feng <nemokingdom@gmail.com>
1547
1548         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1549         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1550         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1551         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1552
1553 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1554
1555         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1556         by final cleanup.
1557
1558 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1559
1560         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1561         allow integer constant strides.
1562         (graphite_can_represent_expr): Depend on outermost_loop.
1563         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1564         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1565         build_scops_1): Same.
1566         (scopdet_basic_block_info): Same and insert layered SCoP
1567         detection.
1568         (try_generate_gimple_bb): Cleanup.
1569         (build_scops): Enable data references.
1570
1571         * testsuite/gcc.dg/graphite/id-5.c: New.
1572         * testsuite/gcc.dg/graphite/id-9.c: New.
1573         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1574         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1575
1576 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1577
1578         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1579         that we have not yet built for this SCoP.
1580
1581 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1582
1583         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1584         for complex numbers.
1585
1586 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1587
1588         * graphite-ppl.c: Fix build if cloog is not available.
1589
1590 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1591
1592         * tree-parloops.c (loop_parallel_p): Remove construction of
1593         NITER and REDUCTION_LIST.
1594         (try_get_loop_niter): New.
1595         (try_create_reduction_list): New.
1596         (parallelize_loops): Bypass the failed checkings in autopar
1597         when can_be_parallel in loop structure is set to true.
1598
1599 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1600
1601         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1602         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1603
1604 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1605
1606         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1607         Enable EQ_EXPR and NE_EXPR again.
1608
1609 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1610
1611         * graphite-scop-detection.c (graphite_can_represent_scev):
1612         Add check if scev is affine multivariate.
1613         (harmful_stmt_in_bb): Check if we can represent the conditions.
1614         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1615         harmful_stmt_in_bb.
1616         * testsuite/gcc.dg/graphite/id-7.c: New.
1617
1618 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1619
1620         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1621         Check all bbs in region, not only the bbs that are represented in
1622         GRAPHITE.
1623         (build_poly_scop): Add newline.
1624         * testsuite/gcc.dg/graphite/id-8.c: New.
1625
1626 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1627
1628         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1629         when loop initialize.
1630         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1631         * common.opt: Declare flag_graphite_force_parallel.
1632         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1633         loop parallel.
1634         * graphite-poly.c (apply_poly_transforms): Introduce
1635         flag_graphite_force_parallel.
1636         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1637         * toplev.c (process_options): ditto and replace a not correctly
1638         encoded space.
1639
1640 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1641
1642         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1643         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1644         to the redefinition.
1645         (compute_cloog_iv_types_1): ditto.
1646         (build_iv_mapping): ditto.
1647         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1648         initialization.
1649         (free_gimple_bb): Removed GBB_LOOPS related free part.
1650         (build_bb_loops): Removed.
1651         * sese.h (struct gimple_bb): Removed loops.
1652         (GBB_LOOPS): Removed.
1653         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1654         (gbb_loop_index): ditto.
1655
1656 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1657
1658         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1659         allow non constant strides.
1660         * testsuite/gcc.dg/graphite/scop-20.c: New.
1661
1662 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-scop-detection.c (dot_all_scops): Fix system call
1665         return value warning.
1666         (dot_scop): Same.
1667
1668 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1669
1670         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1671         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1672
1673 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1674
1675         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1676         build_pairwise_constraint, dr_equality_constraints,
1677         build_pairwise_scheduling_equality,
1678         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1679         build_lexicographically_gt_constraint, dependence_polyhedron,
1680         graphite_legal_transform_dr, graphite_legal_transform_bb,
1681         graphite_legal_transform): New.
1682         * graphite-poly.h (graphite_legal_transform): Declared.
1683         * graphite-sese-to-poly.c (build_poly_scop): Call to
1684         graphite_legal_transform is disabled for the moment.
1685
1686 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-poly.h (pbb_nb_scattering_dims): New.
1689         (pbb_nb_scattering): Use it.
1690
1691 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1694         Pointset_Powerset version of ppl_insert_dimensions.
1695         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1696
1697 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1700
1701 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1702
1703         * graphite-poly.h: Fix comment.
1704
1705 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1708
1709 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1710
1711         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1712         statements.
1713
1714 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1715
1716         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1717         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1718         conditions.
1719
1720 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1723         handle EQ_EXPR and NE_EXPR.
1724
1725 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1726
1727         * graphite-poly.h (poly_dr): Fix comment.
1728
1729 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1730             Tobias Grosser  <grosser@fim.uni-passau.de>
1731
1732         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1733         with a zero dimension polyhedron.
1734         (find_scop_parameters): Move the call to scop_set_nb_params here.
1735         (build_loop_iteration_domains): Store in loop->aux the iteration
1736         domain polyhedron.
1737         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1738         by any loop in scop.
1739         (build_poly_scop): Do not call scop_set_nb_params.
1740
1741 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1742             Tobias Grosser  <grosser@fim.uni-passau.de>
1743
1744         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1745         add_condition_to_domain not GT_EXPR.
1746
1747 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1748
1749         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1750         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1751         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1752         upper_bound_assign to calculate unions.
1753         * testsuite/gcc.dg/graphite/id-6.c: New.
1754
1755 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1756
1757         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1758         handle abnormal edges.
1759
1760 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1761
1762         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1763         (free_poly_bb): Also free poly_drs.
1764         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1765         (poly_dr): Polyhedron to Pointset_Powerset.
1766         (pdr_accessp_nb_subscripts): Same.
1767         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1768         poly_drs.
1769
1770 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1771
1772         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1773         names into more meaningful names.
1774
1775 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1776
1777         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1778         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1779
1780 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1783         the reduction_list.
1784         * tree-parloops.c (rewrite_phi_with_iv): New.
1785         (rewrite_all_phi_nodes_with_iv): New.
1786         (canonicalize_loop_ivs): Call them.
1787
1788 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1791         graphite_find_data_references_in_stmt.
1792         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1793         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1794
1795 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1798
1799 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1800
1801         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1802         instead of bb_in_region.
1803         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1804         (build_sese_conditions): Use flag_bb_in_sese.
1805         * sese.c (register_bb_in_sese): Removed.
1806         (new_sese): Remove initialization of SESE_REGION_BBS.
1807         (free_sese): Do not free SESE_REGION_BBS.
1808         * sese.h (struct sese): Remove field region_basic_blocks.
1809         (SESE_REGION_BBS): Removed.
1810         (bb_in_sese_p): Implement in function of bb_in_region.
1811
1812 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1813
1814         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1815         loops.
1816
1817 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1818
1819         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1820         and EQ_EXPR.
1821         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1822         (add_condition_to_domain): New.
1823         (add_condition_to_pbb): New.
1824         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1825         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1826
1827 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1828
1829         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1830         ppl_Pointset_Powerset.
1831         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1832         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1833         (pbb_nb_loops): Same.
1834         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1835         add_conditions_to_domain): Same.
1836         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1837         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1838         ppl_const_Polyhedron_t.
1839         (ppl_print_powerset_matrix): New.
1840         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1841         ppl_print_powerset_matrix): New.
1842         (ppl_print_polyhedron_matrix): Updated.
1843
1844 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1845
1846         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1847
1848 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1851         (print_iteration_domains, debug_iteration_domain,
1852         debug_iteration_domains): New.
1853         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1854         debug_iteration_domains): Declared.
1855         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1856         indenting.
1857
1858 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1859             Sebastian Pop  <sebastian.pop@amd.com>
1860
1861         * graphite-poly.h (print_iteration_domain): New.
1862         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1863         (build_sese_conditions_1, build_sese_conditions_after,
1864         build_sese_conditions_before): New.
1865         (build_sese_conditions): Rewritten.
1866
1867 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1868             Tobias Grosser  <grosser@fim.uni-passau.de>
1869
1870         Cleanup of code generation liveouts.
1871         * graphite-clast-to-gimple.c (translate_clast): Use a single
1872         rename_map instead of one per translated statement.
1873         Do not use SESE_LIVEOUT_RENAMES.
1874         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1875         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1876         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1877         phi node of a reduction: when a loop contains a reduction used outside
1878         the loop, there should be a scalar close phi node on the exit block.
1879         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1880         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1881         (free_sese): Do not free them.
1882         (sese_build_liveouts_use): Do not use them.
1883         (sese_build_liveouts_bb): Same.
1884         (sese_build_liveouts): Same.
1885         (sese_insert_phis_for_liveouts): Same.
1886         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1887         (defined_in_loop_p): New.
1888         (alive_after_loop): New.
1889         (close_phi_not_yet_inserted_p): New.
1890         (struct alep, alep_p): New.
1891         (add_loop_exit_phis): Remove from the rename_map all the names defined
1892         in the code generated loop.
1893         (insert_loop_close_phis): Traverse the rename_map passed to it.
1894         Don't use SESE_LIVEOUT_RENAMES.
1895         (default_liveout_before_guard): Renamed default_before_guard.
1896         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1897         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1898         (register_sese_liveout_renames): Removed.
1899         (copy_bb_and_scalar_dependences): Do not call it.
1900         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1901         reduction_list.
1902         (SESE_LIVEOUT): Removed.
1903         (SESE_LIVEOUT_RENAMES): Removed.
1904         (SESE_REDUCTION_LIST): Removed.
1905         (sese_build_liveouts): Removed.
1906         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1907         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1908         (insert_guard_phis): Same.
1909         (rename_map_elt): Declare a VEC of them.
1910         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1911         trees not pointers to trees.
1912
1913         Rewrite in canonical close SSA form:
1914         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1915         (limit_scops): Close the scop after the block containing the close phi
1916         nodes.
1917         (canonicalize_loop_closed_ssa): New.
1918         (canonicalize_loop_closed_ssa_form): New.
1919         (build_scops): Call canonicalize_loop_closed_ssa_form.
1920
1921         * graphite-sese-to-poly.c: Fix typos.
1922
1923 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1926         Extended.
1927         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1928         (print_pbb): Add conditions.
1929
1930 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1931             Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1934         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1935         (build_scop_bbs_1): New.
1936         (build_scop_bbs): Rewrite.
1937         * sese.h (bb_in_region): New.
1938
1939 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1940
1941         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1942         poly_drs vector.
1943         (print_scop): Style.
1944         * graphite-poly.h (poly_bb): Add drs vector.
1945         (PBB_DRS): Add accessor.
1946         * graphite-sese-to-poly.c (build_poly_dr): New.
1947         (build_pbb_drs, build_scop_drs): New.
1948         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1949
1950 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1951
1952         * tree-ssa-loop.c: Include forgotten toplev.h
1953
1954 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1955
1956         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1957         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1958         * testsuite/gcc.dg/graphite/pr37928.c: Same
1959         * testsuite/gcc.dg/graphite/pr38409.c: Same
1960         * testsuite/gcc.dg/graphite/pr38498.c: Same
1961         * testsuite/gcc.dg/graphite/pr38559.c: Same
1962         * testsuite/gcc.dg/graphite/pr39335.c: Same
1963         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1964         * testsuite/gfortran.dg/graphite/block-2.f: Same
1965         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1966         with -floop-*.
1967
1968 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1969
1970         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1971         build_access_matrix, build_scop_data_accesses): Remove access function
1972         building. (We get a new version soon).
1973         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1974         * sese.h (nb_loops_around_loop_in_sese): Remove.
1975         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1976
1977 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1978             Sebastian Pop  <sebastian.pop@amd.com>
1979
1980         * graphite-scop-detection.c (struct scopdet_info): Rename last
1981         field to exit.
1982         (scopdet_basic_block_info, build_scops_1): Don't use
1983         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1984
1985 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1986             Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1989         * sese.c (sese_build_liveouts_use): Renamed from
1990         sese_build_livein_liveouts_use. Remove liveins.
1991         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1992         Call sese_build_liveouts_use.
1993         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1994         Call sese_build_liveouts_bb.
1995         (new_sese, free_sese): Remove liveins.
1996         (sese_add_exit_phis_var): Deleted.
1997         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1998         directly.
1999         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2000
2001         * sese.h (sese): Remove num_ver and livein.
2002         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2003
2004 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2005
2006         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2007
2008 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2009
2010         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2011         (build_scop_scattering): Do not use compare_prefix_loops any more.
2012         (nb_common_loops): New.
2013
2014 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2015
2016         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2017         (register_old_and_new_names): Renamed set_rename.
2018
2019 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2020
2021         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2022         of the decl from the previous commit.
2023
2024 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2025
2026         * graphite-scop-detection.c (dot_scop): New.
2027         * graphite-scop-detection.h (dot_scop): Declared.
2028
2029 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2032
2033 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2036         condition at the end of the loop.
2037         * graphite.c (graphite_initialize, graphite_finalize): Print to
2038         dump_file the compiled function.
2039         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2040         of create_empty_loop_on_edge.
2041         (translate_clast): Update the code generation of loops for the new
2042         shape of loops.
2043         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2044
2045 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         Reverted the patch from 2009-03-19.
2048
2049 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2050
2051         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2052         poly_drs vector.
2053         (print_scop): Style.
2054         * graphite-poly.h (poly_bb): Add drs vector.
2055         (PBB_DRS): Add accessor.
2056         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2057         (build_access_matrix_with_af, build_access_matrix,
2058         build_scop_data_accesses): Delete.
2059         (build_poly_dr): New.
2060         (build_pbb_drs, build_scop_drs): New.
2061         (build_poly_scop): call build_scop_drs.
2062
2063 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2064
2065         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2066         once per basic block.
2067
2068 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2069
2070         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2071         (graphite_can_represent_expr): Renamed from loop_affine_expr
2072         and enhanced.
2073         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2074         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2075         (scopdet_basic_block_info): Actually define entry_block.
2076         (stmt_simple_memref_p): Moved here from ...
2077
2078         * tree-data-ref.c (stmt_simple_memref_p): here.
2079         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2080
2081 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2082
2083         * testsuite/gcc.dg/graphite/id-4.c: New.
2084
2085 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2088         (register_old_and_new_names): Update the content of the map.
2089         When there was already a rename_map_elt in the map at that
2090         location, free it.
2091         (copy_bb_and_scalar_dependences): Do rename_variables after
2092         expand_scalar_variables.
2093         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2094         of the map.  When there was already a rename_map_elt in the
2095         map at that location, free it.
2096         (translate_clast): Pass the rename_map.  Do not initialize and free
2097         a rename_map per stmt_user.
2098         (gloog): Initialize and free one rename_map and pass it to
2099         translate_clast.
2100
2101 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * sese.c (expand_scalar_variables_stmt,
2104         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2105         parameter.
2106         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2107         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2108         the gimple_stmt_iterator of the statement to be expanded.
2109         * graphite-scop-detection.c (is_simple_operand): Do handle
2110         REALPART_EXPR.
2111
2112 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2113
2114         * graphite-scop-detection.c (is_simple_operand): Do not handle
2115         REALPART_EXPR.
2116         * testsuite/gcc.dg/graphite/id-2.c: New.
2117
2118         * graphite-sese-to-poly.c (build_bb_loops,
2119         add_value_to_dim, scan_tree_for_params_right_scev,
2120         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2121         find_params_in_bb, build_loop_iteration_domains,
2122         add_conditions_to_domain): Remove subtract.
2123
2124 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2125
2126         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2127         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2128         pbb_loop_at_index -> gbb_loop_at_index.
2129         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2130         (debug_loop_vec): Delete.
2131         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2132         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2133         (PBB_LOOPS): Removed.
2134         (PBB_BLACK_BOX): Insert cast.
2135         (pbb_set_black_box): New setter.
2136         (pbb_loop_at_index, pbb_loop_index): Removed.
2137         (scop_set_region, scop_set_nb_params): New.
2138         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2139         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2140         (build_poly_scop): Use scop_set_nb_params.
2141         * sese.h (gimple_bb): Add LOOPS.
2142         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2143
2144 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2145
2146         Revert previous commit.
2147
2148 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2151         (register_old_and_new_names): Update the content of the map.
2152         When there was already a rename_map_elt in the map at that
2153         location, free it.
2154         (copy_bb_and_scalar_dependences): Do rename_variables after
2155         expand_scalar_variables.
2156         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2157         of the map.  When there was already a rename_map_elt in the
2158         map at that location, free it.
2159         (translate_clast): Pass the rename_map.  Do not initialize and free
2160         a rename_map per stmt_user.
2161         (gloog): Initialize and free one rename_map and pass it to
2162         translate_clast.
2163
2164 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2165
2166         Remove forgotten line in revert.
2167
2168 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2169
2170         Revert previous commit.
2171
2172 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2173
2174         * sese.c (register_old_and_new_names): Update the content
2175         of the map.  When there was already a rename_map_elt in the
2176         map at that location, free it.
2177         (copy_bb_and_scalar_dependences): Do rename_variables after
2178         expand_scalar_variables.
2179         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2180         of the map.  When there was already a rename_map_elt in the
2181         map at that location, free it.
2182         (translate_clast): Pass the rename_map.  Do not initialize and free
2183         a rename_map per stmt_user.
2184         (gloog): Initialize and free one rename_map and pass it to
2185         translate_clast.
2186
2187 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite-clast-to-gimple.c (translate_clast): context_loop
2190         is never NULL.
2191
2192 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2193             Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2196         of the use of ppl_Polyhedron_map_space_dimensions.
2197
2198 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2199             Sebastian Pop  <sebastian.pop@amd.com>
2200
2201         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2202         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2203         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2204         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2205         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2206         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2207         pbb_nb_params): New.
2208         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2209         nb_loops_around_pbb): Adapt return types.
2210
2211 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2212
2213         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2214         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2215         graphite-scop-detection.o, graphite-poly.o): Add
2216         more headers.
2217
2218 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2219
2220         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2221         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2222         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2223
2224 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2225
2226         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2227         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2228         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2229         * testsuite/gcc.dg/graphite/block-0.c: Same.
2230         * testsuite/gcc.dg/graphite/block-1.c: Same.
2231         * testsuite/gcc.dg/graphite/block-2.c: Same.
2232         * testsuite/gcc.dg/graphite/block-3.c: Same.
2233         * testsuite/gcc.dg/graphite/block-4.c: Same.
2234         * testsuite/gcc.dg/graphite/block-5.c: Same.
2235         * testsuite/gcc.dg/graphite/block-6.c: Same.
2236         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2237         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2238         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2239         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2240         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2241         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2242         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2243         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2244         * opts.c: Remove -floop-block from -O2.
2245         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2246         -floop-strip-mine are used.
2247
2248 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2249             Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2252         dimensions.
2253         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2254         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2255         strip_mine_profitable_p, is_interchange_valid,
2256         graphite_trans_bb_block, graphite_trans_loop_block,
2257         graphite_trans_scop_block): Temporary removed.
2258         (extend_scattering, unify_scattering_dimensions): New.
2259         (print_scattering_function, graphite_read_transforms):
2260         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2261         (graphite_generate_scattering_fns): Removed.
2262         (apply_poly_transforms): Cleanup.
2263         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2264         (schedule_to_scattering): Moved.
2265         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2266         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2267         (pbb_nb_scattering): New.
2268         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2269         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2270         Removed.
2271         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2272         shift_poly.
2273         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2274         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2275         -> PBB_TRANSFORMED_SCATTERING.
2276         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2277         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2278         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2279         (check_poly_representation): Do not return bool.
2280         (graphite_transform_loops): Reformat.
2281         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2282
2283 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2286         debug_pbb_domain, debug_pbb, debug_scop): New.
2287         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2288         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2289
2290 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         PR middle-end/39335
2293         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2294         when the type precision of the induction variable should be
2295         larger than the type precision of nit.
2296         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2297         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2298         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2299
2300         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2301         * testsuite/gcc.dg/graphite/pr39335.c: New.
2302
2303 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2306         SSA_NAMES not struct reduction_info.
2307
2308 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2311
2312 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2313             Tobias Grosser  <grosser@fim.uni-passau.de>
2314
2315         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2316         (free_sese): Free SESE_REDUCTION_LIST.
2317         * sese.h (struct sese): Add field reduction_list.
2318         (SESE_REDUCTION_LIST): New.
2319         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2320         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2321
2322 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2323             Tobias Grosser  <grosser@fim.uni-passau.de>
2324
2325         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2326         of loop_p.
2327
2328 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2329             Tobias Grosser  <grosser@fim.uni-passau.de>
2330
2331         * tree-parloops.c (struct brli, build_reduction_list_info,
2332         analyze_reduction_list, gather_scalar_reductions): New.
2333         (loop_parallel_p): Build a reduction list containing only
2334         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2335         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2336         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2337         * tree-flow.h (gather_scalar_reductions): Declared.
2338
2339 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2340
2341         PR middle-end/39308
2342         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2343         number_of_iterations_exit from a gcc_assert.
2344
2345 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2346             Jan Sjodin  <jan.sjodin@amd.com>
2347
2348         * output.h (graphite_out_file, graphite_in_file): Declared.
2349         * toplev.c (graphite_out_file, graphite_in_file): New.
2350         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2351         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2352         Don't call schedule_to_scattering.
2353         * common.opt (fgraphite-write, fgraphite-read): New.
2354         * graphite-poly.c: Include output.h.
2355         (print_scattering_function, print_scattering_functions,
2356         debug_scattering_function, debug_scattering_functions,
2357         graphite_write_transforms, graphite_read_transforms,
2358         graphite_generate_scattering_fns): New.
2359         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2360         Call graphite_generate_scattering_fns, graphite_write_transforms,
2361         graphite_read_transforms.
2362         (new_poly_bb): Initialize PBB_SCATTERING.
2363         (free_poly_bb): Free PBB_SCATTERING.
2364         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2365         * graphite-poly.h (struct poly_bb): Add field scattering.
2366         (PBB_SCATTERING): New.
2367         (print_scattering_function, print_scattering_functions,
2368         debug_scattering_function, debug_scattering_functions): Declared.
2369         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2370         GMP values, not integers!
2371         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2372         ppl_read_polyhedron_matrix): New.
2373         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2374         debug_ppl_polyhedron_matrix,
2375         ppl_read_polyhedron_matrix): Declared.
2376         * Makefile.in (graphite-poly.o): Depends on output.h.
2377
2378 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2379             Tobias Grosser  <grosser@fim.uni-passau.de>
2380
2381         Revert this change:
2382         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2383         scalar evolutions in the scop_entry->loop_father.
2384
2385 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2386             Tobias Grosser  <grosser@fim.uni-passau.de>
2387
2388         * graphite.h (ref_nb_loops): Remove declaration.
2389         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2390         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2391         debug_gbb): Moved to sese.h.
2392         * sese.h: As said.
2393
2394 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2395             Tobias Grosser  <grosser@fim.uni-passau.de>
2396
2397         * graphite-data-ref.[ch]: Disable.
2398
2399 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2400             Tobias Grosser  <grosser@fim.uni-passau.de>
2401
2402         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2403         scalar evolutions in the scop_entry->loop_father.
2404
2405 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2408         (graphite_cannot_represent_loop_niter): Renamed
2409         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2410         (limit_scops): build_sese_loop_nests does not return a bool.
2411         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2412         * sese.c (nb_reductions_in_loop): ... from here.
2413         (graphite_loop_normal_form): ... from here.
2414         (sese_record_loop): Does not fail, so does not return a bool.
2415         (build_sese_loop_nests): Same.
2416         * sese.h (build_sese_loop_nests): Update declaration.
2417         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2418         (build_graphite_loop_normal_form): New.
2419         (gloog): Call build_graphite_loop_normal_form.
2420         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2421         build_sese_loop_nests.
2422
2423         * testsuite/gcc.dg/graphite/id-1.c: New.
2424
2425 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2426             Tobias Grosser  <grosser@fim.uni-passau.de>
2427
2428         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2429         The SCoP detection fix is sufficient.
2430
2431 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         PR tree-optimization/39260
2434         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2435         the basic block contains a condition with a real type.
2436         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2437
2438         * gcc.dg/graphite/pr39260.c: New.
2439
2440 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2441
2442         * graphite-poly.c: Inlcude params.h.
2443         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2444         the size of a tile.
2445         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2446         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2447
2448 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2449             Tobias Grosser  <grosser@fim.uni-passau.de>
2450
2451         * graphite-scop-detection.c (dot_all_scops_1,
2452         dot_all_scops): Moved here.
2453         * graphite-scop-detection.h (dot_all_scops): Declared here.
2454         * graphite.c (graphite_initialize, graphite_finalize): New.
2455         (graphite_transform_loops): Cleaned up.
2456         * sese.c (debug_oldivs): Moved here.
2457         * graphite-poly.c (graphite_apply_transformations): Renamed
2458         apply_poly_transforms.
2459         (debug_loop_vec): Moved here.
2460         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2461         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2462         find_scop_parameters, build_scop_iteration_domain,
2463         add_conditions_to_constraints, build_scop_canonical_schedules,
2464         build_scop_data_accesses): Now static.
2465         (build_poly_scop, check_poly_representation): New.
2466
2467 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2468
2469         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2470         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2471         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2472         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2473         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2474         scan_tree_for_params, struct irp_data, dx_record_params,
2475         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2476         build_loop_iteration_domains, add_conditions_to_domain,
2477         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2478         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2479         build_sese_conditions, add_conditions_to_constraints,
2480         build_scop_iteration_domain, build_access_matrix_with_af,
2481         build_access_matrix,
2482         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2483
2484         * graphite-sese-to-poly.c: New.
2485         * graphite-sese-to-poly.h: New.
2486
2487         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2488
2489 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2490
2491         * graphite.c: Split graphite code generation to a new file.
2492         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2493         max_precision_type, clast_to_gcc_expression_red,
2494         clast_to_gcc_expression, gcc_type_for_clast_expr,
2495         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2496         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2497         graphite_create_new_guard, clast_get_body_of_loop,
2498         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2499         graphite_create_new_loop, build_iv_mapping, copy_renames,
2500         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2501         compute_cloog_iv_types, free_scattering, save_var_name,
2502         initialize_cloog_names, build_scop_context, build_cloog_prog,
2503         set_cloog_options, debug_clast_stmt, scop_to_clast,
2504         print_generated_program, debug_generated_program,
2505         gloog): Moved to graphite-clast-to-gimple.c.
2506
2507         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2508
2509         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2510         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2511         loop_iv_stack_pop, loop_iv_stack_get_iv,
2512         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2513         free_loop_iv_stack, loop_iv_stack_remove_constants,
2514         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2515         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2516         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2517         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2518         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2519         get_vdef_before_sese, sese_adjust_vphi,
2520         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2521         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2522         is_iv, expand_scalar_variables_ssa_name,
2523         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2524         expand_scalar_variables, rename_variables, remove_condition,
2525         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2526         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2527         default_liveout_before_guard, add_guard_exit_phis,
2528         insert_guard_phis, register_old_and_new_names,
2529         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2530         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2531         if_region_set_false_region, create_if_region_on_edge,
2532         move_sese_in_condition): Moved to sese.c.
2533
2534         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2535         if_region_exit, if_region_get_condition_block,
2536         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2537         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2538         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2539         ivtype_map_elt, new_ivtype_map_elt,
2540         recompute_all_dominators): Moved to sese.h.
2541
2542         * graphite-clast-to-gimple.c: New.
2543         * graphite-clast-to-gimple.h: New.
2544         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2545         * sese.c: Modified as said above.
2546         * sese.h: Same.
2547
2548 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2549
2550         * graphite.c: Split scop detection to a new file.
2551         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2552         move_sd_regions, loop_affine_expr, exclude_component_ref,
2553         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2554         graphite_cannot_represent_loop_niter, struct scopdet_info,
2555         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2556         find_single_entry_edge, find_single_exit_edge,
2557         create_single_entry_edge, sd_region_without_exit,
2558         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2559         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2560         Moved to graphite-scop-detection.c.
2561
2562         * graphite-scop-detection.c: New.
2563         * graphite-scop-detection.h: New.
2564         * Makefile.in: Add new rule for graphite-scop-detection.o.
2565
2566         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2567         tree-scalar-evolution.h.
2568         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2569         build_sese_loop_nests): Moved here from graphite.c.
2570         (param_index): Renamed parameter_index_in_region.
2571
2572 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2573             Sebastian Pop  <sebastian.pop@amd.com>
2574
2575         * gcc.dg/graphite/block-0.c: Expected to fail now.
2576         * gcc.dg/graphite/block-1.c: Same.
2577         * gcc.dg/graphite/block-5.c: Same.
2578         * gcc.dg/graphite/block-6.c: Same.
2579
2580 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2581             Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * graphite.h: Separate from graphite_bb_p the polyhedral
2584         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2585         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2586         graphite-data-ref.h.
2587         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2588         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2589         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2590         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2591         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2592         scop_nb_params): Moved to graphite-poly.h.
2593         * graphite-data-ref.c: Same.
2594         * graphite-data-ref.h: New.
2595         * graphite.c: Same.
2596         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2597         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2598         is_interchange_valid, graphite_trans_bb_block,
2599         graphite_trans_loop_block, scop_max_loop_depth,
2600         graphite_trans_scop_block, graphite_apply_transformations,
2601         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2602         graphite-poly.c.
2603         * graphite-poly.h: New.
2604         * graphite-poly.c: New.
2605         * Makefile.in (OBJS-common): Add graphite-poly.o.
2606         (graphite-poly.o): New rule.
2607         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2608         (DR_SCOP): Removed.
2609
2610 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2611             Tobias Grosser  <grosser@fim.uni-passau.de>
2612
2613         * graphite.c: Replace gb -> gbb.
2614         * graphite.h: Same.
2615         * graphite-data-ref.c: Same.
2616
2617 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2618             Tobias Grosser  <grosser@fim.uni-passau.de>
2619
2620         * Makefile.in (OBJS-commmon): Add sese.o.
2621         (sese.o): New.
2622         (graphite.o): Add sese.h.
2623         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2624         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2625         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2626         Move to sese.
2627         (block_before_scop): Add missing return.
2628         (new_scop, free_scop): Remove SESE data structures.
2629         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2630         find_scop_parameters, build_loop_iteration_domains,
2631         add_conditions_to_domain, register_scop_liveout_renames,
2632         copy_bb_and_scalar_dependences): Scop -> SESE.
2633
2634         (add_conditions_to_domain): SCoP -> SESE and remove check
2635         (scop_contains_non_iv_scalar_phi_nodes): New.
2636         (build_scop_conditions_1, build_scop_conditions): Remove check for
2637         non iv scalar phi nodes.
2638         (print_scop_statistics): New.
2639         (graphite_transform_loops): Cleanup.
2640
2641         * graphite.h: Move to sese & cleanup.
2642         * sese.c: New.
2643         * sese.h: New.
2644
2645 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2646             Tobias Grosser  <grosser@fim.uni-passau.de>
2647
2648         * graphite.c (build_scop_conditions_1): Conditions are only
2649         at the end of a basic block.
2650
2651 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2652             Tobias Grosser  <grosser@fim.uni-passau>
2653
2654         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2655         field.
2656         (GBB_ALPHA): Removed.
2657
2658 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2659             Tobias Grosser  <grosser@fim.uni-passau.de>
2660
2661         * graphite-data-ref.c (graphite_test_dependence): Don't use
2662         GBB_DYNAMIC_SCHEDULE.
2663         * graphite.c (new_graphite_bb): Same.
2664         (free_graphite_bb): Same.
2665         (build_scop_dynamic_schedules): Removed.
2666         (graphite_transform_loops): Don't call it.
2667         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2668         (GBB_DYNAMIC_SCHEDULE): Removed.
2669
2670 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2671             Tobias Grosser  <grosser@fim.uni-passau.de>
2672
2673         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2674         (print_graphite_bb): Same.
2675         (build_cloog_prog): Same.
2676
2677 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2678             Tobias Grosser  <grosser@fim.uni-passau.de>
2679
2680         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2681
2682 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2683             Tobias Grosser  <grosser@fim.uni-passau.de>
2684
2685         * graphite.c (build_scop_context): Don't use CloogMatrix.
2686         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2687         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2688
2689 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2690             Tobias Grosser  <grosser@fim.uni-passau.de>
2691
2692         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2693         liveout_renames, add_params fields...
2694         (struct sese): ... here.
2695         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2696         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2697
2698 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2699             Tobias Grosser  <grosser@fim.uni-passau.de>
2700
2701         * graphite.c (print_scop): Do not print the CLooG program.
2702         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2703         build_cloog_prog, gloog): Don't use SCOP_PROG.
2704         (find_transform): Renamed scop_to_clast.
2705         (print_generated_program, debug_generated_program): New.
2706         (graphite_transform_loops): Adapt to new interface.
2707         * graphite.h (struct scop): Remove program field.
2708         (SCOP_PROG): Removed.
2709         (print_generated_program, debug_generated_program): Declared.
2710
2711 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2714         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2715         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2716         free_graphite_bb, build_scop_canonical_schedules,
2717         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2718         schedules are now represented using a ppl_Linear_Expression_t.
2719         * graphite.h (struct graphite_bb): Same.
2720         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2721         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2722
2723 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite.c: Free local memory.
2726         * graphite-ppl.c: Same.
2727
2728 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2731         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2732         swap_constraint_variables, scale_constraint_variable): Removed.
2733         (graphite_trans_bb_strip_mine): Remove pong.
2734         * graphite-ppl.c: Include missing header files.
2735         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2736         * graphite-ppl.h (ppl_strip_loop): Declared.
2737         * Makefile.in (graphite-ppl.o): Adjust dependences.
2738
2739 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2742         (build_scop_iteration_domain): Same.
2743
2744 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2745
2746         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2747         ping pong.
2748         (add_value_to_dim, scan_tree_for_params_right_scev,
2749         scan_tree_for_params_int): New.
2750         * graphite-ppl.c (oppose_constraint): New.
2751         (insert_constraint_into_matrix): Implement missing cases.
2752         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2753
2754 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2757         use ppl_move_dimension.
2758
2759 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2760
2761         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2762         * graphite.c: Same.
2763         * graphite.h: Same.
2764         * graphite-ppl.c: Same.
2765         * graphite-ppl.h: Same.
2766
2767 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2768
2769         Revert last 3 commits.
2770
2771 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2774         ping pong.
2775         (add_value_to_dim, scan_tree_for_params_right_scev,
2776         scan_tree_for_params_int): New.
2777         * graphite-ppl.c (oppose_constraint): New.
2778         (insert_constraint_into_matrix): Implement missing cases.
2779         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2780
2781 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2782
2783         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2784
2785 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2786             Tobias Grosser  <grosser@fim.uni-passau.de>
2787
2788         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2789         use ppl_move_dimension.
2790         * graphite-ppl.c (ppl_move_dimension): New.
2791         * graphite-ppl.h (ppl_move_dimension): Declared.
2792
2793 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * graphite.c: Do not include cloog/cloog.h.
2796         (print_graphite_bb): Remove ping pong, call PPL print function.
2797
2798 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2799
2800         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2801         (graphite.o): Add dependence on graphite-ppl.h.
2802         (graphite-ppl.o): New.
2803         (graphite-data-ref.c): Ping pong between PPL data structures
2804         and matrices.
2805         * graphite-ppl.c: New.
2806         * graphite-ppl.h: New.
2807         * graphite.c: Include graphite-ppl.h.
2808         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2809         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2810         Ping pong between PPL data structures and matrices.
2811         (new_graphite_bb): Create a PPL constraint system.
2812         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2813         (build_loop_iteration_domains): Use PPL functions.
2814         * graphite.h: Include graphite-ppl.h.  Fix comments.
2815         (graphite_bb): Use a ppl_Constraint_System_t instead of
2816         CloogMatrix for representing the domain.
2817         (scop): Remove static_schedule.
2818         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2819
2820 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite.c: Fix some comments.
2823
2824 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         PR middle-end/38953
2827         * graphite.c (if_region_set_false_region): After moving a region
2828         in the false branch of a condition, remove the empty dummy
2829         basic block.
2830         (gloog): Remove wrong fix for PR38953.
2831
2832 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2833
2834         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2835         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2836         register_bb_in_sese, new_sese, free_sese): Moved.
2837         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2838         outermost_loop_in_scop, build_scop_iteration_domain,
2839         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2840         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2841         Use loop_in_sese_p instead of loop_in_scop_p.
2842         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2843         (free_scop): Do not free SCOP_BBS_B.
2844         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2845         ref_nb_loops): Moved here...
2846         * graphite.h (ref_nb_loops): ... from here.
2847         (struct scop): Remove bbs_b bitmap.
2848         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2849         * testsuite/gcc.dg/graphite/scop-19.c: New
2850
2851 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2852
2853         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2854         detection.
2855
2856 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2857
2858         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2859         eq_loop_to_cloog_loop): Remove.
2860         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2861         * graphite.h (struct scop): Remove loop2cloog_loop.
2862         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2863
2864 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2865
2866         * opts.c (decode_options): Only add graphite options to O2
2867         if we compile with graphite enabled.
2868
2869 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * Merge from mainline (r143163:143684).
2872
2873 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2874
2875         * graphite.c (debug_value): Removed.
2876         * graphite.h (debug_value): Removed.
2877
2878 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2881         after graphite: pass_copy_prop does not maintain a proper loop closed
2882         SSA form.  pass_copy_prop should be fixed.
2883
2884 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2887
2888 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2891         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2892         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2893         changed the CFG.
2894
2895 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2896
2897         * graphite.c (gloog): Return true when code gen succeeded.
2898         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2899         the code of the function did not changed.  After cleanup_tree_cfg
2900         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2901         form.
2902
2903 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2906         gimple_call_lhs is NULL.
2907
2908 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2909             Tobias Grosser  <tobi.grosser@amd.com>
2910
2911         * graphite.c (graphite_trans_scop_block): Do not block single
2912         nested loops.
2913
2914 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2915             Tobias Grosser  <tobi.grosser@amd.com>
2916
2917         * graphite.c (build_scop_canonical_schedules): Start schedules at
2918         zero.
2919
2920 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2921             Tobias Grosser  <tobi.grosser@amd.com>
2922
2923         * graphite.c (compare_prefix_loops): New.
2924         (build_scop_canonical_schedules): Rewritten.
2925         (graphite_transform_loops): Move build_scop_canonical_schedules
2926         after build_scop_iteration_domain.
2927
2928 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2929             Tobias Grosser  <tobi.grosser@amd.com>
2930
2931         * graphite.c (add_conditions_to_domain): Add the loops to
2932         the dimension of the iteration domain.  Do copy the domain
2933         only when it exists.
2934         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2935         (add_conditions_to_constraints): New.
2936         (can_generate_code_stmt, can_generate_code): Removed.
2937         (gloog): Do not call can_generate_code.
2938         (graphite_transform_loops): Call add_conditions_to_constraints
2939         after building the iteration domain.
2940
2941 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2942             Tobias Grosser  <tobi.grosser@amd.com>
2943             Jan Sjodin  <jan.sjodin@amd.com>
2944
2945         * graphite.c (scan_tree_for_params): On substractions negate
2946         all the coefficients of the term.
2947         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2948         of more than two operands.
2949         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2950         (get_vdef_before_scop): Handle also the case of default definitions.
2951
2952 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         PR middle-end/38431
2955         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2956         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2957         (gloog): Do not call cleanup_tree_cfg.
2958         (graphite_transform_loops): Call cleanup_tree_cfg after all
2959         scops have been code generated.
2960
2961 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * passes.c (init_optimization_passes): Schedule after
2964         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2965
2966 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2969         Fix comment.
2970         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2971         Set the type of an expression to the type of its assign statement.
2972         (expand_scalar_variables_expr):  Do not pass loop_p.
2973         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2974         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2975         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2976
2977 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2980         an expression to the gimple_expr_type of its assign statement.
2981         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2982         or tcc_declaration.
2983
2984 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         PR tree-optimization/38786
2987         * testsuite/gcc.dg/graphite/pr38786.c: New.
2988         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2989         the SSA_NAME case of expand_scalar_variables_expr.
2990         (expand_scalar_variables_expr): Also gather the scalar computation
2991         used to index the memory access.
2992         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2993         the gimple_stmt_iterator where it inserts new code.
2994
2995 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2998
2999 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * opts.c (decode_options): Enable flag_graphite_identity and
3002         flag_loop_block in -O2 and above.
3003
3004 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3007         Fix merge problem: replace with the file from trunk.
3008
3009 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         * Merge from mainline (r141727:143163).
3012
3013 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3014             Jan Sjodin  <jan.sjodin@amd.com>
3015
3016         PR tree-optimization/38559
3017         * testsuite/gcc.dg/graphite/pr38559.c: New.
3018
3019         * graphite.c (debug_value, copy_constraint,
3020         swap_constraint_variables, scale_constraint_variable, ): New.
3021         (get_lower_bound, get_upper_bound): Removed.
3022         (graphite_trans_bb_strip_mine): Clean up this code that works
3023         only for constant number of iterations.  Fully copy upper and
3024         lower bound constraints, not only the constant part of them.
3025         * graphite.h (debug_value): Declared.
3026
3027 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3028
3029         PR tree-optimization/38492
3030         PR tree-optimization/38498
3031         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3032         * tree-chrec.h (scev_is_linear_expression): Declared.
3033         * graphite.c (graphite_cannot_represent_loop_niter): New.
3034         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3035         (graphite_loop_normal_form): Use gcc_assert.
3036         (scan_tree_for_params): Use CASE_CONVERT.
3037         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3038         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3039         Use gcc_assert.  Discard scops that contain unhandled cases.
3040         (build_scop_conditions): Return a boolean status for unhandled cases.
3041         (strip_mine_profitable_p): Print the loop number, not its depth.
3042         (is_interchange_valid): Pass the depth of the loop nest, don't
3043         recompute it wrongly.
3044         (graphite_trans_bb_block): Same.
3045         (graphite_trans_bb_block): Print tentative of loop blocking.
3046         (graphite_trans_scop_block): Do not print that the loop has been
3047         blocked.
3048         (graphite_transform_loops): Do not handle scops that contain condition
3049         scalar phi nodes.
3050
3051         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3052         in trunk.
3053         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3054         * testsuite/gcc.dg/graphite/block-1.c: Same.
3055         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3056         blocking.
3057         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3058         * testsuite/gcc.dg/graphite/block-3.c: New.
3059         * testsuite/gcc.dg/graphite/pr38498.c: New.
3060
3061 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3062
3063         PR tree-optimization/38510
3064         * gcc.dg/graphite/pr38510.c: New.
3065         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3066           (translate_clast): Call recompute_all_dominators before
3067           graphite_verify.
3068           (gloog): Call recompute_all_dominators before graphite_verify.
3069
3070 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         PR tree-optimization/38492
3073         * graphite.c (rename_map_elt, debug_rename_elt,
3074         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3075         rename_map_elt_info, eq_rename_map_elts,
3076         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3077         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3078         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3079         (sese_build_livein_liveouts): New.
3080         (new_sese, free_sese): New.
3081         (new_scop): Call new_sese.
3082         (free_scop): Call free_sese.
3083         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3084         (register_old_new_names): Renamed register_old_and_new_names.
3085         (register_scop_liveout_renames, add_loop_exit_phis,
3086         insert_loop_close_phis, struct igp,
3087         default_liveout_before_guard, add_guard_exit_phis,
3088         insert_guard_phis, copy_renames): New.
3089         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3090         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3091         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3092         (scop_adjust_phis_for_liveouts): New.
3093         (gloog): Call scop_adjust_phis_for_liveouts.
3094
3095         * graphite.h (struct sese): Documented.  Added fields liveout,
3096         num_ver and livein.
3097         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3098         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3099         (struct scop): Added field liveout_renames.
3100         (SCOP_LIVEOUT_RENAMES): New.
3101
3102 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         PR tree-optimization/38409
3105         * gcc.dg/graphite/pr38409.c: New.
3106         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3107
3108 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3109
3110         * graphite.c (gcc_type_for_cloog_iv): By default return
3111         integer_type_node.
3112         (graphite_create_new_loop): Don't fold_convert the already
3113         fold_convert-ed expression.
3114
3115 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3116
3117         PR tree-optimization/38446
3118         * gcc.dg/graphite/pr38446.c: New.
3119         * graphite.c (register_bb_in_sese): New.
3120         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3121         looking at the bbs in the region.
3122         * graphite.h (sese): Add region_basic_blocks pointer set to
3123         structure and initialize at the time of defining new scop.
3124
3125 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3126
3127         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3128         (find_params_in_bb): Do not free data refs.
3129         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3130
3131 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3132
3133         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3134         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3135         * testsuite/gcc.dg/graphite/block-5.c: New.
3136         * testsuite/gcc.dg/graphite/block-6.c: New.
3137         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3138         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3139         * testsuite/gcc.dg/graphite/block-2.c: Same.
3140
3141         * graphite.c (struct ivtype_map_elt): New.
3142         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3143         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3144         gcc_type_for_cloog_iv): New.
3145         (loop_iv_stack_patch_for_consts): Use the type of the induction
3146         variable from the original loop, except for the automatically
3147         generated loops, i.e., in the case of a strip-mined loop, in
3148         which case there is no original loop: in that case just use
3149         integer_type_node.
3150         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3151         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3152         (clast_name_to_gcc): Accept params to be NULL.
3153         (clast_to_gcc_expression): Take an extra parameter for the type.
3154         Convert to that type all the expressions built by this function.
3155         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3156         (graphite_translate_clast_equation): Compute the type of the
3157         clast_equation before translating its LHS and RHS.
3158         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3159         (graphite_create_new_loop): Compute the type of the induction
3160         variable before translating the lower and upper bounds and before
3161         creating the induction variable.
3162         (rename_variables_from_edge, rename_phis_end_scop): New.
3163         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3164         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3165         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3166         compute_cloog_iv_types): New.
3167         (gloog): Call compute_cloog_iv_types before starting the
3168         translation of the clast.
3169
3170         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3171         (GBB_CLOOG_IV_TYPES): New.
3172         (debug_ivtype_map): Declared.
3173         (oldiv_for_loop): New.
3174
3175 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3176
3177         PR middle-end/38459
3178         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3179         (param_index): Assert if parameter is not know after parameter
3180         detection.
3181         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3182         (find_scop_parameters): Mark, that we have finished parameter
3183         detection.
3184         (graphite_transform_loops): Move condition detection before parameter
3185         detection.
3186         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3187         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3188
3189 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3190
3191         * graphite.c (graphite_transform_loops): Always call find_transform ()
3192         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3193         generate code.
3194
3195 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3196
3197         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3198         (print_scop): Ditto.
3199
3200 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3201
3202         PR middle-end/38084
3203         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3204         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3205         regions more than once.
3206
3207 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3208
3209         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3210         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3211         when not needed.
3212
3213 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3214
3215         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3216         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3217         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3218         (max_precision_type): New.
3219         (value_clast): Removed.
3220         (clast_to_gcc_expression): Be more careful to types of expressions.
3221         Use max_precision_type and update use of gmp_cst_to_tree.
3222         (graphite_translate_clast_equation): Use max_precision_type.
3223         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3224         use the type of the condition.
3225         (graphite_create_new_loop): Do not use integer_type_node, use the
3226         max_precision_type of lb and ub.
3227
3228 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3229
3230         * graphite.c (build_scops_1): Initialize open_scop.exit
3231         and sinfo.last.
3232
3233 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3234
3235         * testsuite/gcc.dg/graphite/pr38084.c: New.
3236         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3237         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3238         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3239         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3240         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3241
3242 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3243             Jan Sjodin  <jan.sjodin@amd.com>
3244             Harsha Jagasia  <harsha.jagasia@amd.com>
3245
3246         PR middle-end/37852
3247         PR middle-end/37883
3248         PR middle-end/37928
3249         PR middle-end/37980
3250         PR middle-end/38038
3251         PR middle-end/38039
3252         PR middle-end/38073
3253         PR middle-end/38083
3254         PR middle-end/38125
3255
3256         * testsuite/gcc.dg/graphite/pr38073.c: New.
3257         * testsuite/gcc.dg/graphite/pr37928.c: New.
3258         * testsuite/gcc.dg/graphite/pr37883.c: New.
3259         * testsuite/gcc.dg/graphite/pr38125.c: New.
3260         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3261         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3262         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3263
3264         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3265         the number of detected scops.  Copy exact same test for loop
3266         blocking...
3267         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3268         loops to be blocked as reductions are not handled.
3269         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3270
3271         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3272         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3273         ...here.
3274         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3275         * Makefile.in (graphite.o): Depend on value-prof.h.
3276         (graphite.o-warn): Removed -Wno-error.
3277         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3278         to be a NULL pointer.  Call update_stmt.  Return the newly created
3279         cannonical induction variable.
3280
3281         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3282
3283         * graphite.c: Reimplement the code generation from graphite to gimple.
3284         Include value-prof.h.
3285         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3286         (get_old_iv_from_ssa_name): Removed.
3287         (graphite_stmt_p): New.
3288         (new_graphite_bb): Test for useful statements before building a
3289         graphite statement for the basic block.
3290         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3291         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3292         reason.
3293         (recompute_all_dominators, graphite_verify,
3294         nb_reductions_in_loop, graphite_loop_normal_form): New.
3295         (scop_record_loop): Call graphite_loop_normal_form.
3296         (build_scop_loop_nests): Iterate over all the blocks of the
3297         function instead of relying on the incomplete information from
3298         SCOP_BBS.  Return the success of the operation.
3299         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3300         (add_bb_domains): Removed.
3301         (build_loop_iteration_domains): Don't call add_bb_domains.
3302         Add the iteration domain only to the basic blocks that have been
3303         translated to graphite.
3304         (build_scop_conditions_1): Add constraints only if the basic
3305         block have been translated to graphite.
3306         (build_scop_data_accesses): Completely disabled until data
3307         dependence is correctly implemented.
3308         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3309         (remove_all_edges_1, remove_all_edges): Removed.
3310         (get_new_name_from_old_name): New.
3311         (graphite_rename_variables_in_stmt): Renamed
3312         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3313         Use replace_exp and update_stmt.
3314         (is_old_iv): Renamed is_iv.
3315         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3316         Use replace_exp and update_stmt.
3317         (expand_scalar_variables_expr): Same.  Use the map to get the
3318         new names for the renaming of induction variables and for the
3319         renaming of variables after a basic block has been copied.
3320         (expand_scalar_variables): Same.
3321         (graphite_rename_variables): Renamed rename_variables.
3322         (move_phi_nodes): Removed.
3323         (get_false_edge_from_guard_bb): New.
3324         (build_iv_mapping): Do not insert the induction variable of a
3325         loop in the renaming iv map if the basic block does not belong
3326         to that loop.
3327         (register_old_new_names, graphite_copy_stmts_from_block,
3328         copy_bb_and_scalar_dependences): New.
3329         (translate_clast): Heavily reimplemented: copy basic blocks,
3330         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3331         At each translation step call graphite_verify ensuring the
3332         consistency of the SSA, loops and dominators information.
3333         (collect_virtual_phis, find_vdef_for_var_in_bb,
3334         find_vdef_for_var_1, find_vdef_for_var,
3335         patch_phis_for_virtual_defs): Removed huge hack.
3336         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3337         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3338         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3339         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3340         if_region_get_condition_block, if_region_set_false_region,
3341         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3342         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3343         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3344         rewrite_into_sese_closed_ssa): New.
3345         (gloog): Remove dead code.  Early return if code cannot be
3346         generated.  Call cleanup_tree_cfg once the scop has been code
3347         generated.
3348         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3349         block loops with less than two loops.
3350         (graphite_apply_transformations): Remove the call to
3351         scop_remove_ignoreable_gbbs.
3352         (limit_scops): When build_scop_loop_nests fails, continue on
3353         the next scop.  Fix open_scop.entry.
3354         (graphite_transform_loops): Call recompute_all_dominators: force the
3355         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3356         Call initialize_original_copy_tables and free_original_copy_tables
3357         to be able to copy basic blocks during code generation.
3358         When build_scop_loop_nests fails, continue on next scop.
3359         (value_clast): New union.
3360         (clast_to_gcc_expression): Fix type cast warning.
3361
3362 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3363
3364         * Merge from mainline (r140838:141727).
3365
3366 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3367
3368         PR middle-end/37833
3369
3370         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3371
3372 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3373
3374         PR middle-end/37943
3375
3376         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3377         exits and conditions.
3378         * testsuite/gcc.dg/graphite/pr37943.c: New.
3379
3380 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3381
3382         PR middle-end/37886
3383         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3384
3385 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3386
3387         * doc/invoke.texi: Fix spaces.
3388
3389 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3390
3391         PR tree-optimization/37891
3392         Reverted last commit.
3393         * graphite.c (create_single_entry_edge): Set
3394         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3395
3396 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3397             Mitul Thakkar  <mitul.thakkar@amd.com>
3398
3399         * graphite.c (create_single_entry_edge): Set
3400         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3401
3402 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3403
3404         * doc/invoke.texi: Add -fgraphite-identity.
3405         * graphite.c (graphite_apply_transformations): Check for
3406         -fgraphite-identity.
3407         * toplev.c (process_options): Add flag_graphite_identity.
3408         * tree-ssa-loop.c: Add flag_graphite_identity.
3409
3410 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         Undo changes from 2008-10-02:
3413         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3414         operand type when copying the operand to a variable of different type.
3415         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3416         with the IV name after increment.
3417
3418 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3419             Harsha Jagasia  <harsha.jagasia@amd.com>
3420
3421         PR tree-optimization/37828
3422         * testsuite/gcc.dg/graphite/pr37828.c: New.
3423         * graphite.c (graphite_trans_loop_block): Do not loop block
3424         single nested loops.
3425
3426 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3427             Sebastian Pop  <sebastian.pop@amd.com>
3428
3429         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3430         rename_map_elt_info, eq_rename_map_elts): New.
3431         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3432         (expand_scalar_variables_expr): Change parameters.
3433         (expand_scalar_variables_stmt): Same.
3434         (expand_scalar_variables): Same.
3435         (graphite_rename_ivs): Rename graphite_rename_variables.
3436         (build_iv_mapping): New.
3437         (translate_clast): Call build_iv_mapping.
3438         * graphite.h (gbb_p): New name.
3439
3440 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3441
3442         PR tree-optimization/37684
3443         * gcc.dg/graphite/pr37684.c: New.
3444         * graphite.c (exclude_component_ref): New.
3445         (is_simple_operand): Call exclude_component_ref.
3446
3447 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3448             Harsha Jagasia  <harsha.jagasia@amd.com>
3449
3450         PR tree-optimization/37485
3451         * gcc.dg/graphite/block-2.c: New
3452         * graphite.c (gmp_cst_to_tree): Moved.
3453         (iv_stack_entry_is_constant): New.
3454         (iv_stack_entry_is_iv): New.
3455         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3456         (loop_iv_stack_insert_constant): New.
3457         (loop_iv_stack_pop): Use new datatpype.
3458         (loop_iv_stack_get_iv): Same.
3459         (loop_iv_stack_get_iv_from_name): Same.
3460         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3461         (loop_iv_stack_patch_for_consts): New.
3462         (loop_iv_stack_remove_constants): New.
3463         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3464         (translate_clast): Call loop_iv_stack_patch_for_consts and
3465         loop_iv_stack_remove_constants.
3466         (gloog): Use new datatype.  Redirect construction edge to end
3467         block to avoid accidental deletion.
3468         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3469         iv stack entry.
3470         (union iv_stack_entry_data): New.  Data in iv stack entry.
3471         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3472
3473 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3476         operand type when copying the operand to a variable of different type.
3477
3478 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3481         with the IV name after increment.
3482
3483 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * Merge from mainline (r140164:140838).
3486
3487 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3488
3489         * graphite-data-ref.c: New.
3490         * graphite.c (print_scop): Also dump the dependence graph.
3491         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3492         (new_scop): Initialize SCOP_DEP_GRAPH.
3493         (build_scop_dynamic_schedules): New.
3494         (build_access_matrix_with_af): Fixed column numbering.
3495         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3496         * graphite.h: Add ifndef/define guards against multiple inclusion.
3497         (struct scop): Add dep_graph field.
3498         (SCOP_DEP_GRAPH): Defined.
3499         (ref_nb_loops): Fixed and moved to other position.
3500         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3501         (nb_loops_around_loop_in_scop): New.
3502         (graphite_dump_dependence_graph): Declared.
3503         (graphite_build_rdg_all_levels): Declared.
3504         (graphite_test_dependence): Declared.
3505         * Makefile.in (graphite-data-ref.o): New target.
3506
3507 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3508
3509         * Merge from mainline (139870:140164).
3510
3511 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3512
3513         * Merge from mainline (138275:139870).
3514         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3515         the commits from trunk broke the niter detection.
3516
3517 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3518
3519         * graphite.c: Add more documentation.  Fix formatting.
3520         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3521         loop_iv_stack_debug): Moved...
3522         (schedule_to_scattering): Move before use.
3523         (dot_all_scops): Include in "#if 0" the code for system
3524         call dotty.
3525
3526         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3527         loop_iv_stack_debug): ...here.
3528
3529 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3530
3531         * tree-phinodes.c (make_phi_node): Extern.
3532         (add_phi_node_to_bb): New.
3533         (create_phi_node): Call add_phi_node_to_bb.
3534         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3535         (remove_statement): Handle case where stored phi was updated
3536         and is no longer the same.
3537         * graphite.c (is_parameter): New.
3538         (is_old_iv): New.
3539         (expand_scalar_variables_expr): New.
3540         (expand_scalar_variables_stmt): New.
3541         (expand_scalar_variables): New.
3542         (move_phi_nodes): Create new phi instead of moving old one.
3543         (translate_clast): Call expand_scalar_variables.
3544         (find_vdef_for_var_in_bb): Also scan regular definitions.
3545         (skip_phi_defs): New.
3546         (collect_scop_exit_phi_args): New.
3547         (patch_scop_exit_phi_args): New.
3548         (gloog): Patch phis after scop.
3549         * tree-flow.h: (add_phi_node_to_bb): Declared.
3550         (make_phi_node): Declared.
3551
3552 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3553
3554         * graphite.c (end_scop): Split the entry of the scop when it
3555         is the header of the loop in which the scop is ending.
3556         (build_scops_1, limit_scops): Update uses of end_scop.
3557
3558 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3559
3560         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3561         SCOP_ENTRY or SCOP_EXIT.
3562
3563 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3564
3565         * graphite.c (get_construction_edge): Removed.
3566         (gloog): Construction edge is the scop entry edge.
3567
3568 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3569
3570         * graphite.c (can_generate_for_scop): Removed.
3571         (gloog): Do not call it.
3572
3573 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite.c (new_scop): Entry of a scop is an edge.
3576         Initialize SESE region.
3577         (free_scop): Free SESE region.
3578         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3579         (split_difficult_bb): New, split from end_scop.
3580         (end_scop): Exit of a scop is an edge.
3581         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3582         not automatically updated and thus is always wrong.
3583         * graphite.h (struct sese): New.
3584         (SESE_ENTRY): New.
3585         (SESE_EXIT): New.
3586         (struct scop): New field for a SESE region.  Remove entry, exit.
3587         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3588         semantics as before.  Moved comment around.
3589
3590 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3591             Sebastian Pop  <sebastian.pop@amd.com>
3592
3593         * graphite.c (graphite_transform_loops): Always enable gloog
3594         and find_transform when ENABLE_CHECKING.
3595
3596 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3597
3598         * graphite.c (graphite_transform_loops): Move pretty printer
3599         of SCOPs before doing any transform.  Remove call to print_scops
3600         and dot_all_scops_1.
3601
3602 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3605         (print_graphite_bb): Same.
3606
3607 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3608
3609         * graphite.c (dot_all_scops_1): Cleanup.
3610         (move_scops): Fix comment.
3611
3612 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3613
3614         * graphite.c (build_scop_bbs): Revert commit 139355:
3615
3616         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3617                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3618
3619                 * graphite.c (build_scop_bbs): Factor up code.
3620
3621 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3622
3623         * graphite.c (gloog): Update dominator info.
3624
3625 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3626
3627         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3628
3629 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3630
3631         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3632         initialization.
3633         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3634         (translate_clast): Correct formatting.
3635         * graphite.h (struct num_map): Removed.
3636         (struct graphite_bb): Remove num_map field.
3637         (GBB_INDEX_TO_NUM_MAP): Removed.
3638
3639 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3640
3641         * graphite.c (build_access_matrix_with_af): Fix comments.
3642         (build_scop_data_accesses): Same.
3643
3644 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite.c (build_scop_data_accesses): Don't construct
3647         access matrices.  Add a FIXME and an assert condition that
3648         should pass when the access matrices will be needed.
3649
3650 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3653         really_constant_p.
3654         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3655         Moved close by free_graphite_bb.
3656         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3657         (new_scop): Move close by free_scop.
3658         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3659
3660 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3661
3662         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3663         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3664         instead of recursive call.
3665         (graphite_translate_clast_equation): New.
3666         (graphite_create_guard_cond_expr): New.
3667         (graphite_create_new_guard): New.
3668         (get_stack_index_from_iv): Removed.
3669         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3670         (get_true_edge_from_guard_bb): New.
3671         (translate_clast): Handle stmt_guard in clast.
3672         (get_construction_edge): Allow construction edge detection for
3673         a scope entry with multiple predecessors if one predecessor is
3674         the immediate dominator of scope entry.
3675         (can_generate_code_stmt): Enable code generation for clast_guard.
3676         (gloog): Use correct context loop.  Removed check for post dominators.
3677         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3678
3679 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3680
3681         * graphite.c (remove_dead_loops): Document better which
3682         loops are removed.
3683
3684 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3685
3686         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3687         and PPLINC.
3688         (graphite.o): Also depends on pointer-set.h.
3689
3690 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3691
3692         * graphite.c (scop_record_loop): Fix compile warning.
3693
3694 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3695             Sebastian Pop  <sebastian.pop@amd.com>
3696
3697         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3698
3699 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite.c (build_graphite_bb): Initialize bb->aux to
3702         point to the graphite_bb_p.
3703         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3704         content of bb->aux.
3705         (add_bb_domains): Does not use the scop parameter.
3706         (graphite_transform_loops): Clean bb->aux at the end.
3707
3708 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3709             Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * testsuite/lib/target-supports.exp
3712         (check_effective_target_fgraphite): New.
3713
3714         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3715         check_effective_target_fgraphite returns false.
3716         Set dg-do-what-default to compile.
3717         (scan-graphite-dump-times): Removed.
3718         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3719
3720         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3721         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3722         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3723         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3724         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3725         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3726         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3727         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3728         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3729         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3730         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3731         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3732         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3733         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3734         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3735         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3736         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3737         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3738         * testsuite/gcc.dg/graphite/block-0.c: Same.
3739         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3740         * testsuite/gcc.dg/graphite/block-1.c: Same.
3741         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3742         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3743         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3744         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3745         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3746
3747 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3748
3749         * graphite.c: Fix some XXX comments.
3750         (build_scop_dynamic_schedules): Removed.
3751
3752 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3753
3754         * graphite.h (scop_max_loop_depth): Moved...
3755         * graphite.c (scop_max_loop_depth): ...here.
3756         (remove_all_edges_1): New.
3757         (remove_all_edges): Factored code.
3758         (remove_cond_exprs): Check only the last statement for
3759         a GIMPLE_COND expression.
3760
3761 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * graphite.c (scan_tree_for_params): Early return when the
3764         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3765         (find_scop_parameters): Factor out code.
3766         (graphite_trans_bb_strip_mine): Remove dead code.
3767
3768 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3769
3770         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3771         graphite_trans_bb_move_loop): Factor asserts.
3772         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3773         Do not call calculate_dominance_info and estimate_bb_frequencies.
3774
3775 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3776
3777         * graphite.c (create_loops_mapping, free_loops_mapping,
3778         create_loops_mapping_num, debug_loop_mapping_1,
3779         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3780         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3781         graphite_loops_mapping_add_child_num,
3782         graphite_loops_mapping_insert_child,
3783         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3784         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3785         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3786         create_num_from_index, get_num_from_index,
3787         swap_loop_mapped_depth): Removed.
3788         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3789         (free_scop): Do not call free_loops_mapping.
3790         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3791         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3792         get_loop_mapped_depth.
3793         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3794         (graphite_trans_bb_strip_mine): Same.
3795         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3796         (struct scop): Remove field loops_mapping.
3797
3798 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3799             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3800
3801         * graphite.c (scop_record_loop): Factor out one level of the
3802         condition by early return.
3803         (build_scop_loop_nests): Format following FSF coding style.
3804         (build_scop_dynamic_schedules): Factor out code.
3805         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3806
3807 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3808             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3809
3810         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3811         assignments that are not handled as simple operands for now.
3812
3813 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3814             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3815
3816         * graphite.c (build_scop_bbs): Factor up code.
3817
3818 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3819             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3820
3821         * graphite.c (stmt_simple_for_scop_p): Factor code out
3822         of the loop.
3823         (enum gbb_type): New.  Group all the GBB_* types under it.
3824         (is_loop_exit): Moved...
3825         (end_scop): Enable BB spliting.
3826         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3827         * cfgloop.h (is_loop_exit): Declared.
3828
3829 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3830
3831         * doc/invoke.texi: Remove strides from examples containing
3832         DO loops when the strides are equal to 1.
3833
3834 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3835             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3836
3837         * graphite.c (graphite_trans_scop_block): Or the result with
3838         the result from graphite_trans_loop_block.
3839         * testsuite/gcc.dg/graphite/block-1.c: New.
3840         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3841         * testsuite/gfortran.dg/graphite/block-2.f: New.
3842
3843 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3844
3845         * graphite.c (graphite_transform_loops): Call cloog_initialize
3846         and cloog_finalize.
3847
3848 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * tree-data-ref.c) (stmt_simple_memref_p): New.
3851         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3852         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3853         (is_simple_operand): Call stmt_simple_memref_p.
3854
3855         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3856         using pointer arithmetic, as this is optimized by PRE and
3857         makes the code too difficult to analyze.
3858
3859         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3860
3861 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         * gdbinit.in (pgg): New.
3864
3865 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3866
3867         * graphite.c (graphite_trans_loop_block): Fix warning.
3868
3869 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3870
3871         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3872
3873 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3874
3875         * graphite.c (graphite_trans_bb_block): Remove check for
3876         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3877         Check if loop blocking is profitable for every loop, before applying
3878         the changes.
3879         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3880         if flag_loop_block is set.
3881
3882 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3883
3884         * graphite.c: Add some more documentation for the loop
3885         mapping.
3886
3887 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3890         * graphite.c: Format on less than 80 columns.
3891         * graphite.h: Same.
3892
3893 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3896