gcc/ChangeLog.graphite

   1 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (struct irp_data): Removed.
   4         (idx_record_params): Removed.
   5         (find_params_in_bb): Scan for parameters the access functions; don't
   6         parse the tree representation.
   7
   8 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
   9
  10         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
  11         passes at -O1 and below.
  12
  13 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
  14
  15         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
  16         tree-scalar-evolution.h, and then tree-data-ref.h.
  17         * graphite-clast-to-gimple.c: Same.
  18         * graphite-dependences.c: Same.
  19         * graphite-interchange.c: Same.
  20         * graphite-poly.c: Same.
  21         * graphite-scop-detection.c: Same.
  22         * graphite-sese-to-poly.c: Same.
  23         * graphite.c: Same.
  24         * lambda-code.c: Same.
  25         * matrix-reorg.c: Same.
  26         * tree-data-ref.c: Same.
  27         * tree-if-conv.c: Same.
  28         * tree-loop-distribu: Same.: Same.
  29         * tree-loop-linear.c: Same.
  30         * tree-parloops.c: Same.
  31         * tree-predcom.c: Same.
  32         * tree-vect-patterns.c: Same.
  33
  34 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
  35
  36         Partially revert the previous patch, except the following.
  37         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
  38         as parameters the operands of the not expression.
  39
  40 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * tree-scalar-evolution.c (instantiate_scev_assign): New.
  43         Do not call analyze_scalar_evolution on assignments.
  44         (instantiate_scev_phi): Call analyze_scalar_evolution.
  45         (instantiate_scev_name): Call instantiate_scev_assign and
  46         instantiate_scev_phi.
  47         (instantiate_scev_not): Adapted to pass as parameters the operands
  48         of the not expression.
  49
  50 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
  53         to pass as parameters the operands of the binary expression.
  54
  55 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  56
  57         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
  58         instantiate_scev_not.  Handle NEGATE_EXPR.
  59         (instantiate_scev_r): Handle NEGATE_EXPR.
  60
  61 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
  64         instantiate_scev_r.
  65         (instantiate_scev_r): Move code in instantiate_scev_2
  66         and instantiate_scev_1.
  67
  68 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * tree-scalar-evolution.c (instantiate_scev_3): New.
  71         (instantiate_scev_1): Move code in instantiate_scev_3.
  72
  73 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * tree-scalar-evolution.c (instantiate_scev_poly): New.
  76         (instantiate_scev_1): Move code in instantiate_scev_poly.
  77
  78 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  79
  80         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
  81         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
  82
  83 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * tree-scalar-evolution.c (instantiate_scev_convert): New.
  86         (instantiate_scev_1): Move code in instantiate_scev_convert.
  87
  88 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * tree-scalar-evolution.c (instantiate_scev_binary): New.
  91         (instantiate_scev_1): Move code in instantiate_scev_binary.
  92
  93 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
  94
  95         * tree-scalar-evolution.c (instantiate_scev_name): New.
  96         (instantiate_scev_1): Move code in instantiate_scev_name.
  97
  98 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         * Merge from mainline (150992:151171).
 101
 102 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 103
 104         * graphite-dependences.c (graphite_legal_transform_bb): Call
 105         pbb_remove_duplicate_pdrs.
 106         * graphite-poly.c (can_collapse_pdr): Removed.
 107         (pdr_find_duplicate): Removed.
 108         (can_collapse_pdrs): New.
 109         (pbb_remove_duplicate_pdrs): New.
 110         (new_poly_dr): Do not look for duplicates.
 111         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 112         (PBB_PDR_DUPLICATES_REMOVED): New.
 113         (pbb_remove_duplicate_pdrs): Declared.
 114
 115 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 118         the strides by multiplying by PDR_NB_REFS.
 119         * graphite-poly.c (can_collapse_pdr): New.
 120         (pdr_find_duplicate): New.
 121         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 122         Initialize PDR_NB_REFS.
 123         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 124         (PDR_NB_REFS): New.
 125         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 126
 127 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         Revert one of the previous commits:
 130         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 131         the computation of symmetric data dependence relations.
 132         (dependency_between_pbbs_p): Same.
 133
 134 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 135
 136         PR middle-end/40965
 137         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 138         any transform.
 139
 140 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 141
 142         * graphite-dependences.c (pddr_original_scattering): Return NULL
 143         for read-read dependence relations.
 144         * graphite-poly.h (enum poly_dr_type): Fix comment.
 145         (pdr_read_p): New.
 146         (pdr_write_p): New.
 147         (pdr_may_write_p): New.
 148
 149 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 150
 151         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 152         (struct poly_dr): Same.
 153         (new_poly_dr): Same.
 154         * graphite-poly.c (new_poly_dr): Same.
 155
 156 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 157             Sebastian Pop  <sebastian.pop@amd.com>
 158
 159         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 160         pbb_strip_mine_time_depth.  Changed the implementation so that
 161         transformation is expressed as a transformation on
 162         time (scatttering) dimensions.  Also, ensures that the 2d+1
 163         scheduling format is preserved.
 164         (pbb_strip_mine_profitable_p): Profitability is based on the
 165         iteration number of a given time (scattering) dimension,
 166         and not on a original loop depth dimension.
 167         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 168         (pbb_do_strip_mine): Call psct_dynamic_dim.
 169         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 170         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 171         (pbb_nb_dynamic_scattering_transform): New.
 172         (psct_dynamic_dim): New.
 173
 174 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 175
 176         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 177         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 178         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 179         * graphite-interchange.c (build_linearized_memory_access): Same.
 180         (memory_stride_in_loop): Same.
 181
 182 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 183
 184         * graphite-dependences.c (pddr_original_scattering): New.
 185         (graphite_legal_transform_dr): Call pddr_original_scattering.
 186         (dot_deps_1): New.
 187         (dot_deps): New.
 188         * graphite-dependences.h (dot_deps): Declared.
 189         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 190         (print_pdr): Print PDR_ID.
 191         * graphite-poly.h (struct poly_dr): Add field id.
 192         (PDR_ID): New.
 193         (pbb_index): New.
 194         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 195
 196 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 197
 198         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 199         not delete the original dependence relation.
 200
 201 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 204         the computation of symmetric data dependence relations.
 205         (dependency_between_pbbs_p): Same.
 206
 207 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 208
 209         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 210         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 211         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 212         (free_poly_ddr): New.
 213         (pddr_is_empty): New.
 214         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 215         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 216         Remove fprintfs.
 217         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 218         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 219         * graphite-dependences.h (enum poly_dependence_kind): New.
 220         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 221         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 222         (PDRP_SINK): Renamed PDDR_SINK.
 223         (PDRP_DDP): Renamed PDDR_DDP.
 224         (PDDR_KIND): New.
 225         (free_poly_ddr): Declared.
 226         * graphite-poly.c (new_scop): Use the new hash function names.
 227         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 228         into original_pddrs.
 229         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 230
 231 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * Merge from mainline (150764:150992).
 234
 235 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 236
 237         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 238         bounds with LT_EXPR to make niter analysis more precise on code
 239         generated by Graphite.
 240
 241 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 242
 243         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 244         (graphite_legal_transform_bb): Same.
 245         (poly_drs_may_alias_p): Same.
 246
 247 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 248
 249         PR middle-end/40981
 250         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 251         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 252
 253 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 254
 255         * graphite-poly.c (print_pbb): Print PBB index.
 256
 257 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 258
 259         * Merge from mainline (r150672:150764).
 260
 261 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * graphite-interchange.c (ppl_max_for_le): Moved...
 264         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 265         * graphite-ppl.c (ppl_max_for_le): ... here.
 266         * graphite-ppl.h (ppl_max_for_le): Declared.
 267
 268 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 269
 270         * Merge from mainline (r150372:150672).
 271
 272 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         PR middle-end/40980
 275         * sese.c (convert_for_phi_arg): New.
 276         (add_guard_exit_phis): Use convert_for_phi_arg.
 277
 278         * testsuite/gfortran.dg/graphite/id-17.f: New.
 279
 280 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 281
 282         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 283         unknown subscript upper bounds.
 284
 285         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 286
 287 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 288             Pranav Garg  <pranav.garg2107@gmail.com>
 289
 290         * graphite-interchange.c (gather_access_strides): Removed.
 291         (ppl_max_for_le): New.
 292         (build_linearized_memory_access): New.
 293         (memory_stride_in_loop): New.
 294         (pbb_interchange_profitable_p): Reimplemented.
 295         * graphite-ppl.h (ppl_new_id_map): New.
 296         (ppl_interchange): New.
 297
 298         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 299
 300 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 301
 302         * graphite-interchange.c (compute_subscript): Removed.
 303         (compute_array_size_cstr): Removed.
 304         (compute_array_size_poly): Removed.
 305         (compute_array_size): Removed.
 306         (gather_access_strides_poly): Removed.
 307         (gather_access_strides): Empty.
 308
 309 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 310
 311         * graphite-dependences.c (dependence_polyhedron_1): Replace
 312         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 313         (graphite_legal_transform_dr): Same.
 314         (graphite_carried_dependence_level_k): Same.
 315         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 316         Initialize PDR_NB_SUBSCRIPTS.
 317         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 318         PDR_NB_SUBSCRIPTS.
 319         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 320         (PDR_NB_SUBSCRIPTS): New.
 321         (pdr_nb_subscripts): Removed.
 322         (pdr_dim): Simplified.
 323         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 324         with PDR_NB_SUBSCRIPTS.
 325
 326 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 327
 328         * graphite-interchange.c (compute_array_size): Remove use of
 329         PDR_DATA_CONTAINER.
 330         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 331         Do not initialize PDR_DATA_CONTAINER.
 332         (print_pdr): Do not print PDR_DATA_CONTAINER.
 333         * graphite-poly.h (struct poly_dr): Remove data_container field.
 334         (PDR_DATA_CONTAINER): Removed.
 335         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 336         PDR_DATA_CONTAINER.
 337         (build_poly_dr): Same.
 338
 339 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 342
 343 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 344             Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 347         copy of the dependence polyhedron.  Free the temporary objects.
 348         (graphite_carried_dependence_level_k): Free unused objects before
 349         returning.
 350
 351         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 352         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 353         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 354         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 355         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 356
 357 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 358
 359         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 360         Early return without analyzing the data dependences if no
 361         transform has been done.  Call restore_scattering if the transform
 362         is not legal.
 363         (graphite-interchange.c): Same.
 364         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 365         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 366         (apply_poly_transforms): Do not gcc_assert that
 367         the transform is legal.
 368         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 369         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 370         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 371         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 372         * graphite-poly.h (struct poly_scattering): New.
 373         (struct poly_bb): Add original, transformed, and saved fields.
 374         Remove transformed_scattering, original_scattering, nb_local_variables,
 375         and nb_scattering_transform fields.
 376         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 377         (poly_scattering_new): New.
 378         (poly_scattering_free): New.
 379         (poly_scattering_copy): New.
 380         (store_scattering_pbb): New.
 381         (store_scattering): New.
 382         (restore_scattering_pbb): New.
 383         (restore_scattering): New.
 384         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 385         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 386
 387 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 388
 389         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 390         (print_scop): Same.
 391
 392 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * Makefile.in (graphite.o): Depends on PREDICT_H.
 395         * graphite.c: Include predict.h.
 396         (graphite_finalize): Call tree_estimate_probability.
 397         * predict.c (predict_loops): Do not call scev_initialize and
 398         scev_finalize.
 399         (tree_estimate_probability_bb): New.
 400         (tree_estimate_probability): Do not initialize loops: move that
 401         code to the driver.  Call tree_estimate_probability_bb.
 402         (tree_estimate_probability_driver): New.
 403         (pass_profile): Use tree_estimate_probability_driver.
 404         * predict.h (tree_estimate_probability): Declared.
 405
 406 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 407
 408         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 409         * graphite-dependences.c (graphite_legal_transform): Add time to
 410         TV_GRAPHITE_DATA_DEPS.
 411         (dependency_between_pbbs_p): Same.
 412         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 413
 414 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 415
 416         * Merge from mainline (r149952:150372).
 417
 418 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 419
 420         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 421         * graphite-blocking.c: Same.
 422         * graphite-clast-to-gimple.c: Same.
 423         * graphite-dependences.c: Same.
 424         * graphite-poly.c: Same.
 425         * graphite-poly.h: Same.
 426         * graphite-ppl.c: Same.
 427         * graphite-scop-detection.c: Same.
 428         * graphite-sese-to-poly.c: Same.
 429         * graphite.c: Same.
 430
 431 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 432
 433         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 434         (remove_simple_copy_phi): New.
 435         (remove_invariant_phi): New.
 436         (simple_copy_phi_p): New.
 437         (reduction_phi_p): New.
 438         (gsi_for_ssa_name_def): New.
 439         (insert_out_of_ssa_copy): New.
 440         (insert_out_of_ssa_copy_on_edge): New.
 441         (create_zero_dim_array): New.
 442         (scalar_close_phi_node_p): New.
 443         (rewrite_close_phi_out_of_ssa): New.
 444         (rewrite_phi_out_of_ssa): New.
 445         (rewrite_reductions_out_of_ssa): New.
 446         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 447
 448         * testsuite/gcc.dg/graphite/id-11.c: New.
 449         * testsuite/gcc.dg/graphite/id-15.c: New.
 450         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 451         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 452         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 453         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 454         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 455         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 456         * testsuite/gfortran.dg/graphite/id-13.f: New.
 457         * testsuite/gfortran.dg/graphite/id-5.f: New.
 458
 459 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 460
 461         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 462         check that nb_reductions_in_loop is zero.
 463         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 464         reduction phi nodes.
 465         (nb_reductions_in_loop): Removed.
 466         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 467         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 468         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 469         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 470         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 471
 472 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 473
 474         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 475         statements that have an empty iteration domain.
 476         * testsuite/gfortran.dg/graphite/id-16.f: New.
 477
 478 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * tree-scalar-evolution.c (instantiate_scev_1): Return
 481         chrec_dont_know when the result is not above instantiate_below.
 482         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 483         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 484         the tree has a known scalar evolution.
 485         * testsuite/gfortran.dg/graphite/id-14.f: New.
 486         * testsuite/gfortran.dg/graphite/id-15.f: New.
 487
 488 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 491         insert_gsi.
 492         (rename_variables): Keep inserting renames after the ones already
 493         inserted.
 494
 495 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 496
 497         * graphite-sese-to-poly.c (compare_bb_depths): New.
 498         (graphite_sort_dominated_info): New.
 499         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 500         (build_scop_scattering): Fix comment.
 501
 502 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 503
 504         * graphite.c (graphite_finalize): Call print_loops instead of
 505         dump_function_to_file.
 506         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 507         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 508         loops generated in the graphite output file.
 509         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 510         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 511         * testsuite/gfortran.dg/graphite/id-12.f: New.
 512
 513 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 514
 515         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 516         Remove 2 XFAIL.
 517
 518 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 519             Tobias Grosser  <grosser@fim.uni-passau.de>
 520
 521         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 522         alias set number build alias in ACCESSES polyhedron.
 523         (build_alias_set_for_drs): New.
 524         (build_pbb_drs): Added build_alias_set_for_drs.
 525         * graphite-dependences.c (poly_drs_may_alias_p): New.
 526         (graphite_carried_dependence_level_k): Check alias information
 527         before building polyhedron.
 528
 529 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 530
 531         * Makefile.in (lambda-code.o): Fix formatting.
 532
 533 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 534
 535         * Merge from mainline (r149350-149952)
 536
 537 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 538
 539         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 540         before interchange to prepare for loop blocking.
 541
 542 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 543
 544         * graphite-poly.c (apply_poly_transforms): Add checks after every
 545         transformation.
 546         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 547         done in apply_poly_transforms.
 548
 549 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 550
 551         * graphite-dependences.c (build_lexicographically_gt_constraint):
 552         Replace RES parameter with *RES.
 553         (dependence_polyhedron_1): Pass an address of the parameter RES
 554         instead of value of RES.
 555
 556 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite.c (graphite_finalize): Fix comment.
 559         (graphite_transform_loops): Reset scev info after code generation
 560         of each scop.
 561
 562 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * graphite.c (graphite_finalize): Call scev_reset.
 565
 566 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 569         GBB_CLOOG_IV_TYPES hash table twice.
 570         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 571         (add_condition_to_domain): Clear GMP values.
 572
 573 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * graphite-dependences.c: Fix formatting.
 576         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 577         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 578         * graphite-sese-to-poly.c: Fix formatting.
 579         * graphite.c (graphite_transform_loops): Create the hash table
 580         after the early return.
 581
 582 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 583
 584         * testsuite/gcc.dg/graphite/id-14.c: New.
 585         * testsuite/gcc.dg/graphite/pr40157.c: New.
 586         * testsuite/gfortran.dg/graphite/id-11.f: New.
 587
 588 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 589
 590         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 591         (build_poly_scop): Return false when there are no pbbs within
 592         loops to avoid to pass to cloog scops with no loops.
 593
 594 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 595
 596         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 597         useless test "i % 2".
 598         (build_pbb_scattering_polyhedrons): Fix formatting.
 599         (build_poly_dr): Same.
 600         * graphite.c (graphite_transform_loops): Restructure.
 601
 602 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 603
 604         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 605         reduction_list parameter.
 606         (rewrite_all_phi_nodes_with_iv): Same.
 607         (canonicalize_loop_ivs): Same.
 608         * tree-parloops.c (struct brli): Removed.
 609         (build_reduction_list_info): Removed.
 610         (build_new_reduction): New.
 611         (analyze_reduction_list): Removed.
 612         (gather_scalar_reductions): Find reductions instead of phi
 613         nodes that can't be canonicalized.
 614         (try_create_reduction_list): Remove reduction_list parameter.
 615         (gen_parallel_loop): Same.
 616         (parallelize_loops): Remove analyze_reductions variable,
 617         initialization and free.
 618         Change reduction_list htab initialization to reduction_info
 619         elements instead of ssa names.
 620         Call try_create_reduction_list and gen_parallel_loop without
 621         analyzed_reduction argument.
 622         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 623         canonicalize_loop_ivs with one less argument.
 624         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 625
 626 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 627
 628         * graphite-dependences.c (new_poly_dr_pair): New.
 629         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 630         (new_poly_dr_pair): New.
 631         (eq_poly_dr_pair_p): New.
 632         (hash_poly_dr_pair_p): New.
 633         * graphite-dependences.h (struct poly_dr_pair): New.
 634         (eq_poly_dr_pair_p): Declared.
 635         (hash_poly_dr_pair_p): Declared.
 636         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 637         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 638         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 639         * Makefile.in (graphite-poly.o): Add dependence on
 640         graphite-dependences.h.
 641
 642 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 643
 644         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 645         polynomials of degree > 1 pass to Graphite.
 646         * tree-chrec.c (scev_is_linear_expression): Call
 647         evolution_function_is_affine_multivariate_p.
 648         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 649
 650 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 651
 652         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 653         Instantiate scevs varying in outer loops.
 654         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 655
 656 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 657
 658         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 659         redundant constraint.
 660
 661 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 662
 663         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 664         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 665         based on the file names as in the C testsuite.
 666         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 667         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 668         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 669         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 670         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 671         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 672         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 673         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 674         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 675         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 676         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 677         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 678         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 679
 680 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 681
 682         * sese.c (expand_scalar_variables_call): New.
 683         (expand_scalar_variables_ssa_name): Handle calls in expander.
 684
 685 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 686
 687         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 688         Expect to see the pattern twice.
 689         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 690         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 691         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 692
 693 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 694
 695         * testsuite/gcc.dg/graphite/id-10.c: New.
 696         * testsuite/gcc.dg/graphite/id-12.c: New.
 697         * testsuite/gfortran.dg/graphite/id-7.f: New.
 698         * testsuite/gfortran.dg/graphite/id-8.f: New.
 699
 700 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
 703         zero.
 704
 705 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 706
 707         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
 708
 709 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
 712
 713 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 714
 715         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
 716         building PDR subscripts.
 717
 718 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
 721         computation of array sizes.
 722
 723 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
 726
 727 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
 728
 729         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
 730         build_pairwise_constraint, dr_equality_constraints,
 731         build_pairwise_scheduling_equality,
 732         build_pairwise_scheduling_inequality, lexicographically_gt_p,
 733         build_lexicographically_gt_constraint, dependence_polyhedron,
 734         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
 735         Move from NNC_Polyhedron to C_Polyhedron.
 736         * graphite-interchange.c (compute_array_size_poly,
 737         gather_access_strides): Dito.
 738         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
 739         free_scop, pbb_number_of_iterations): Dito.
 740         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
 741         pbb_dim_iter_domain, struct scop): Dito.
 742         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
 743         new_Cloog_Domain_from_ppl_Polyhedron,
 744         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
 745         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
 746         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
 747         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
 748         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
 749         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
 750         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
 751         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
 752         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
 753         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
 754         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
 755         build_scop_iteration_domain, build_poly_dr): Dito
 756
 757 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
 760         run-id-*.c files.
 761         * testsuite/gcc.dg/graphite/run-id-1.c: New.
 762
 763 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
 766         positivity constraint on the symbolic number of iterations.
 767
 768 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 769
 770         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
 771
 772 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 773             Tobias Grosser  <grosser@fim.uni-passau.de>
 774
 775         * graphite-clast-to-gimple.c (build_scop_context): Removed.
 776         (build_cloog_prog): Directly use SCOP_CONTEXT.
 777         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
 778         (free_scop): Free SCOP_CONTEXT.
 779         (print_scop_context): New.
 780         (print_scop): Call print_scop_context.
 781         (debug_scop_context): New.
 782         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
 783         (struct scop): Added field context.
 784         (SCOP_CONTEXT): New.
 785         * graphite-sese-to-poly.c (add_param_constraints): New.
 786         (build_scop_context): New.
 787         (build_poly_scop): Call build_scop_context.
 788
 789 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 790
 791         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
 792         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
 793         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
 794         * graphite-ppl.h: Include double-int.h and tree.h.
 795         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
 796         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
 797         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
 798         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
 799
 800 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
 803         POINTER_PLUS_EXPR for pointer types.
 804         (clast_to_gcc_expression): Same.
 805
 806 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
 807
 808         * graphite-poly.c (print_scattering_function): Early return when
 809         PBB_TRANSFORMED_SCATTERING is not initialized.
 810         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
 811
 812 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
 813
 814         * tree-parloops.c (analyze_reduction_list): Remove unused variable
 815         to fix bootstrap.
 816
 817 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
 818
 819         * tree-parloops.c (analyze_reduction_list): Change return
 820         value to void.
 821         (try_create_reduction_list): Move the call to
 822         analyze_reduction_list to the beginining.
 823         Call reduction_phi with analyzed_reductions as argument
 824         instead of reduction_list.
 825
 826 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 827
 828         *  Merge from mainline (r148296:149346)
 829
 830 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         * graphite-scop-detection.c (graphite_can_represent_init): New.
 833         (graphite_can_represent_scev): Call graphite_can_represent_init:
 834         check that the initial value does not contain multiplications of
 835         parameters.
 836         (stmt_has_simple_data_refs_p): New.
 837         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
 838         (is_simple_operand): Fix formatting.
 839         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
 840
 841 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 842
 843         * testsuite/gcc.dg/graphite/id-13.c: New.
 844         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
 845         analyze_scalar_evolution, use scalar_evolution_in_region.
 846         (scan_tree_for_params_right_scev): Add extra assert.
 847         (parameter_index_in_region_1): Split from parameter_index_in_region.
 848         (idx_record_params): Use scalar_evolution_in_region.
 849         (find_params_in_bb): Same.
 850         (find_scop_parameters): Same.
 851         (build_loop_iteration_domains): Same.
 852         (create_linear_expr_from_tree): Same.
 853         * sese.c (scalar_evolution_in_region): New.
 854         * sese.h (scalar_evolution_in_region): Declared.
 855         (defined_in_sese_p): New.
 856         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
 857         static anymore.
 858         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
 859         Declared.
 860
 861 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
 864         TREE_DATA_REF_H also implies SCEV_H.
 865
 866 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 867
 868         * graphite-poly.c (print_scop_params): New.
 869         (print_scop): Call print_scop_params.
 870         (debug_scop_params): New.
 871         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
 872
 873 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 874
 875         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
 876         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
 877         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
 878         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
 879         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
 880         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
 881
 882 2009-07-07  Li Feng  <nemokingdom@gmail.com>
 883
 884         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
 885         for dependency checking part.
 886         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
 887         tests for dependency checking.
 888         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
 889         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
 890         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
 891         flag -fdump-tree-graphite-all for autopar testsuites.
 892
 893 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 894
 895         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
 896         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
 897         canonicalize_loop_ivs): Moved...
 898         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
 899
 900 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
 901
 902         * tree-parloops.c (try_create_reduction_list): Pass an extra
 903         argument analyzed_reductions.  Call analyze_reduction_list.
 904         (gen_parallel_loop): Do not call analyze_reduction_list.
 905         (parallelize_loops): Init and finalize analyzed_reductions.
 906
 907 2009-07-06  Li Feng  <nemokingdom@gmail.com>
 908
 909         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
 910         Added flag -fno-loop-strip-mine for autopar testcase.
 911
 912 2009-07-04  Li Feng  <nemokingdom@gmail.com>
 913
 914         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
 915         transformed scattering dimension instead of unmatch orignal when
 916         calling dependence_polyhedron.
 917
 918 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 919
 920         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
 921
 922 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-poly.c (pbb_number_of_iterations): Check for returned
 925         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
 926
 927 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
 930         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
 931         * graphite-poly.c (pbb_number_of_iterations): New.
 932         * graphite-poly.h (pbb_number_of_iterations): Declared.
 933         (pbb_iterator_dim, pbb_parameter_dim): New.
 934
 935 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
 936
 937         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
 938         last commit on type of lower and upper bound of loops.
 939
 940 2009-06-29  Li Feng  <nemokingdom@gmail.com>
 941
 942         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
 943         graphite-dependences.h.
 944         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
 945         (mark_bb_with_pbb): New.
 946         (get_stmtfor_depth): New.
 947         (find_pbb_via_hash): New.
 948         (dependency_in_loop_p): New.
 949         (mark_loops_parallel): New.
 950         (free_aux_in_new_loops): New.
 951         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
 952         bb with it's relevant pbb. Mark newly created loops.  Remove mark
 953         innermost loop parallel without checking.
 954         (gloog): Add parameter BB_PBB_MAPPING.
 955         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
 956         (gloog): Change declaration.
 957         (mark_loop_parallel): Make extern.
 958         (free_aux_in_new_loops): Declare.
 959         (bb_pbb_map_hash): New.
 960         (eq_bb_pbb_map): New.
 961         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
 962         auto parallelization when flag_graphite_force_parallel is set.
 963         (graphite_finalize): Added free_aux_in_new_loops.
 964         * tree-parloops.c (parallelize_loops): Only generate parallel code for
 965         the innermost loop that marked parallel.  Use
 966         flag_graphite_force_parallel instead of loop->can_be_parallel.
 967         (loop_parallel_p): Move inner most checking out of function.
 968
 969 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 970
 971         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
 972         type of lower and upper bound of loops signed long int.
 973
 974 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
 977         expression outside the loop.
 978
 979 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * gcc.dg/graphite/interchange-8.c: New.
 982
 983 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 984
 985         * gcc.dg/graphite/interchange-0.c: XFailed.
 986         * gcc.dg/graphite/interchange-5.c: XFailed.
 987         * gcc.dg/graphite/interchange-6.c: XFailed.
 988
 989 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 990
 991         * graphite-interchange.c (compute_array_size_poly): The end of the
 992         recursion should return 1.
 993
 994 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
 995
 996         * graphite-interchange.c (compute_array_size_cstr): Allow the
 997         subscript multiplier to be -1.
 998         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
 999         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1000         data_container.  Initializes PDR_DATA_CONTAINER.
1001         (print_pdr_access_layout): New.
1002         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1003         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1004         data_container.
1005         (PDR_DATA_CONTAINER): New.
1006         (new_poly_dr): Update declaration.
1007         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1008         (build_poly_dr): Call pdr_add_data_dimensions.
1009
1010 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * graphite-poly.h (struct poly_dr): Fix comment.
1013         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1014         (pdr_add_memory_accesses): New.
1015         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1016
1017 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1020         (print_pbb): Add call to print_pdrs.
1021         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1022
1023 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1024             Li Feng <nemokingdom@gmail.com>
1025
1026         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1027         (dependency_between_pbbs_p): New.
1028         (lexicographically_gt_p): Assure !empty_p before polyhedron
1029         intersection assign.
1030         (build_lexicographically_gt_constraint): Correct lexicographically
1031         judging.
1032         * graphite-dependences.h: New.
1033         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1034
1035 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1036
1037         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1038         (gloog): Print to dump_file the generated clast.
1039         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1040         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1041
1042 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1043
1044         * graphite-poly.c (extend_scattering): Increment
1045         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1046
1047 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         * graphite-interchange.c (compute_array_size_poly): Added exit of
1050         recursion condition.  Continue iterating even after the first equality.
1051         (compute_array_size): Same.
1052
1053 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1054
1055         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1056         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1057         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1058         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1059         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1060
1061 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1062
1063         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1064         only when the use verifies is_gimple_reg.
1065
1066 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1069         Allocate scaldims after call to unify_scattering_dimensions.
1070
1071 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1074
1075 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1076             Albert Cohen  <albert.cohen@inria.fr>
1077
1078         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1079         variables for the strip mining.
1080
1081 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1082             Pranav Garg  <pranav.garg2107@gmail.com>
1083
1084         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1085         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1086         (graphite-blocking.o): New rule.
1087         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1088         * graphite-blocking.c: New.
1089         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1090         flag_loop_strip_mine.
1091         (psct_scattering_dim_for_loop_depth): New.
1092         * graphite-poly.h (scop_do_strip_mine): Declared.
1093         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1094         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1095         flag_loop_strip_mine.
1096
1097 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1100         a GMP value and a PPL coefficient at each iteration of a loop.
1101
1102 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1103
1104         * graphite-dependences.c (dependence_polyhedron): Do not use
1105         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1106         pbb_nb_scattering_transform.
1107         (graphite_legal_transform_dr): Same.
1108         * graphite-poly.c (extend_scattering): Same.
1109         (unify_scattering_dimensions): Same.
1110         (print_scattering_function): Same.
1111         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1112         PBB_NB_LOCAL_VARIABLES.
1113         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1114         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1115         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1116         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1117         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1118         (pbb_nb_scattering_transform): New.
1119         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1120         (psco_scattering_dim): Add assert on parameters.
1121         (psct_scattering_dim): Same.
1122         (psct_scattering_dim_for_loop_depth): Declared.
1123         (psct_local_var_dim): New.
1124         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1125         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1126         correct layout, call pbb_nb_local_vars.
1127         (psct_add_local_variable, psct_add_scattering_dimension): New.
1128         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1129         Initialize PBB_NB_SCATTERING_TRANSFORM.
1130
1131 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1132
1133         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1134         (set_coef): Renamed ppl_set_coef.
1135         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1136
1137 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1138
1139         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1140         test a boolean against 1.
1141         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1142         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1143         (pbb_do_interchange): Returns true when a transform has been performed.
1144         (scop_do_interchange): Same.
1145         * graphite-poly.c (apply_poly_transforms): Use the return value of
1146         scop_do_interchange.
1147         * graphite-poly.h (scop_do_interchange): Update declaration.
1148
1149 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1150
1151         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1152         after last use.
1153         * sese.c (sese_reset_aux_in_loops): New.
1154         * sese.h (sese_reset_aux_in_loops): New.
1155
1156 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1159         multiplier and multiply the constant by the multiplier.
1160         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1161         (build_poly_dr): Do not use the multiplier to define the subscript.
1162
1163 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1166         compiler's data reference.  Initialize PDR_CDR.
1167         (print_pdr): Call dump_data_reference.
1168         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1169         Add compiler_dr field.
1170         (PDR_BB): Renamed PDR_PBB.
1171         (PDR_CDR): New.
1172         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1173         GCC's data reference representation.
1174         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1175         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1176
1177 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * graphite-poly.c (print_scattering_function): Also print the layout.
1180         * graphite-poly.h (pbb_nb_local_vars): New.
1181
1182 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1183
1184         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1185
1186 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * graphite-poly.c (print_pdr, debug_pdr): New.
1189         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1190         (PDR_BASE): Removed.
1191
1192 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1195         ltrans-{1..6,8}.c.
1196
1197 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1200         subscript identification column.
1201         (pbb_do_interchange): Print to dump_file that some loops "will be
1202         interchanged".  Rely on that chain of characters in the testcases.
1203         * gcc.dg/graphite/interchange-0.c: New.
1204         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1205         interchange-*.c files and compile them with -floop-interchange.
1206
1207 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1208
1209         * graphite-interchange.c (interchange_profitable_p): Renamed
1210         pbb_interchange_profitable_p.
1211
1212 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1213             Harsha Jagasia  <harsha.jagasia@amd.com>
1214             Pranav Garg  <pranav.garg2107@gmail.com>
1215
1216         * graphite-interchange.c (interchange_profitable_p): Make static.
1217         (pbb_interchange_loop_depths, pbb_do_interchange,
1218         scop_do_interchange): New.
1219         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1220         for flag_loop_interchange.
1221         * graphite-poly.h (scop_do_interchange): Declared.
1222         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1223         flag_loop_interchange is used.
1224
1225 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1226
1227         * graphite-dependences.c (dependence_polyhedron): Update use of
1228         pbb_nb_scattering_dims.
1229         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1230         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1231         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1232         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1233
1234 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1235
1236         * graphite.c: Cleanup foo.
1237
1238 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1239
1240         * Merge from mainline (r143684:148293).
1241         * Disabled libpcp until it gets fixed.
1242
1243 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1244             Harsha Jagasia  <harsha.jagasia@amd.com>
1245
1246         * graphite-interchange.c: New.
1247         * Makefile.in (graphite-interchange.o): New.
1248         * graphite-poly.h (interchange_profitable_p): Declared.
1249         * graphite-ppl.h (value_max): New.
1250
1251 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1254         * graphite-poly.h: Fix some comments.
1255         (pdr_dim): New.
1256         (pdr_scop): New.
1257
1258 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * graphite-poly.h
1261         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1262         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1263         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1264         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1265         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1266         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1267         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1268         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1269         * graphite-clast-to-gimple.c: Same.
1270         * graphite-dependences.c: Same.
1271         * graphite-poly.c: Same.
1272         * graphite-sese-to-poly.c: Same.
1273
1274 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1277         expressions for an IV rename, as returned by clast_to_gcc_expression.
1278         (copy_renames): Rename new_name to expr.
1279         * sese.c (debug_rename_elt): Same.
1280         (get_rename): Same.
1281         (set_rename): Same.
1282         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1283         the information from the rename map.
1284         (rename_variables_in_stmt): Same.
1285         (add_loop_exit_phis): Rename new_name to expr.
1286         (insert_loop_close_phis): Same.
1287         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1288         * sese.h (struct rename_map_elt): Rename new_name to expr.
1289         (new_rename_map_elt): Same.
1290
1291 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1292
1293         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1294         * sese.c (set_rename): Make it extern.
1295         * sese.h (set_rename): Declared.
1296
1297 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1298
1299         * graphite-poly.c (extend_scattering): Free values.
1300         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1301         Free iterators.
1302         (ppl_print_powerset_matrix): Same.
1303         * graphite-scop-detection.c (free_scops_1): New.
1304         (limit_scops): Call free_scops_1.
1305         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1306         (build_poly_dr): Free PPL coefficients.
1307         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1308
1309 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1310
1311         * graphite-dependences.c: New.
1312         * graphite-data-ref.c: Removed.
1313         * graphite-data-ref.h: Removed.
1314         * Makefile.in (graphite-data-ref.o): Removed.
1315         (graphite-dependences.o): Added.
1316         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1317         * graphite-poly.c: Same.
1318         Move the data dependence testing to graphite-dependences.c.
1319
1320 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1321
1322         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1323         from graphite_cannot_represent_loop. Code refactored.
1324         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1325
1326 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1327
1328         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1329         Cover all the testcases (not only the filtered ones).
1330
1331 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1332
1333         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1334         unnecessary check. Update comments. Move check for REAL_TYPE here.
1335         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1336         done in (stmt_simple_for_scop_p).
1337
1338 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1339
1340         * graphite.c (print_global_statistics): New.
1341         (print_graphite_scop_statistic): New.
1342         (print_graphite_statistics): New.
1343         (graphite_initialize, graphite_transform_loops): Print statistics.
1344         * graphite-scop-detection (build_scops): Print statistics.
1345         (print_graphite_scop_statistics): New.
1346         (print_graphite_statistics): New.
1347
1348 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1349
1350         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1351         (debug_clast_name_index): Removed.
1352         (debug_clast_name_indexes_1): Removed.
1353         (debug_clast_name_indexes): Removed.
1354         (clast_name_index_elt_info): Removed.
1355         (eq_clast_name_indexes): Removed.
1356         (clast_name_to_index): Removed.
1357         (new_clast_name_index): Removed.
1358         (save_clast_name_index): Removed.
1359         (save_var_name): Moved...
1360         (init_sese_params_index): Removed.
1361         (clast_name_to_gcc): Remove use of name_tree.
1362         (initialize_cloog_names): Same.
1363         (gloog): Do not call init_sese_params_index.
1364         * graphite-sese-to-poly.c (save_var_name): ...here.
1365         (parameter_index_in_region): New.
1366         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1367         (parameter_index_in_region): Removed.
1368         (is_parameter): Remove use of name_tree.
1369         * sese.h (struct name_tree): Removed.
1370         (struct sese): Remove use of name_tree.  New field params_names.
1371         (SESE_PARAMS_NAMES): New.
1372         (SESE_PARAMS): Remove duplicate.
1373         (parameter_index_in_region): Removed.
1374         (sese_nb_params): Remove use of name_tree.
1375         (struct clast_name_index): New.
1376         (new_clast_name_index): New.
1377         (clast_name_to_index): New.
1378         (save_clast_name_index): New.
1379         (debug_clast_name_index): New.
1380         (debug_clast_name_indexes_1): New.
1381         (debug_clast_name_indexes): New.
1382         (clast_name_index_elt_info): New.
1383         (eq_clast_name_indexes): New.
1384
1385 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1386
1387         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1388         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1389         (graphite_loop_normal_form): Do not pass region.  Do not
1390         initialize SESE_OLDIVS.
1391         (build_graphite_loop_normal_form): Update call to
1392         graphite_loop_normal_form.
1393         * sese.c (debug_oldivs): Removed.
1394         (new_sese): Do not initialize SESE_OLDIVS.
1395         (free_sese): Do not free SESE_OLDIVS.
1396         (oldiv_for_loop): Removed.
1397         * sese.h (struct sese): Remove old_ivs.
1398         (SESE_OLDIVS): Removed.
1399         (oldiv_for_loop): Removed.
1400
1401 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1404         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1405         replaced by a call to newivs_to_depth_to_newiv.
1406         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1407         (clast_to_gcc_expression_red): Same.
1408         (gcc_type_for_clast_expr): Same.
1409         (gcc_type_for_clast_eq): Same.
1410         (graphite_translate_clast_equation): Same.
1411         (graphite_create_guard_cond_expr): Same.
1412         (graphite_create_new_guard): Same.
1413         (graphite_create_new_loop): Same.
1414         (build_iv_mapping): Same.
1415         (translate_clast): Same.
1416         (gloog): Same.
1417         (loop_iv_stack_patch_for_consts): Removed.  *
1418         sese.c (iv_stack_entry_is_constant): Removed.
1419         (iv_stack_entry_is_iv): Removed.
1420         (loop_iv_stack_push_iv): Removed.
1421         (loop_iv_stack_insert_constant): Removed.
1422         (loop_iv_stack_pop): Removed.
1423         (loop_iv_stack_get_iv): Removed.
1424         (loop_iv_stack_get_iv_from_name): Removed.
1425         (debug_loop_iv_stack): Removed.
1426         (free_loop_iv_stack): Removed.
1427         (loop_iv_stack_remove_constants): Removed.  *
1428         sese.h (iv_stack_entry_kind): Removed.
1429         (iv_stack_entry_data_union): Removed.
1430         (iv_stack_entry_struct): Removed.
1431         (iv_stack_entry_p): Removed.
1432         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1433         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1434         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1435         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1436         (gbb_loop_at_index): Fix indenting.
1437         (gbb_loop_index): Removed.
1438
1439 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1440
1441         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1442         Call clast_name_to_index.
1443
1444 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1445
1446         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1447         do not pass params.  Get params from SESE_PARAMS.
1448         (clast_to_gcc_expression): Same.
1449         (clast_to_gcc_expression_red): Same.
1450         (gcc_type_for_clast_eq): Same.
1451         (graphite_translate_clast_equation): Same.
1452         (graphite_create_new_loop): Same.
1453         * sese.c (rename_variables_in_stmt): Fix comment.
1454
1455 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1456
1457         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1458         newivs_index.
1459         Call save_clast_name_index.
1460         (translate_clast): Pass newivs_index.
1461         (gloog): Create and free newivs_index.
1462
1463 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1466         (clast_name_index_p): New type.
1467         (debug_clast_name_index): New.
1468         (debug_clast_name_indexes_1): New.
1469         (debug_clast_name_indexes): New.
1470         (clast_name_index_elt_info): New.
1471         (eq_clast_name_indexes): New.
1472         (clast_name_to_index): New.
1473         (new_clast_name_index): New.
1474         (save_clast_name_index): New.
1475         (init_sese_params_index): New.
1476         (gloog): Call init_sese_params_index.
1477         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1478         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1479         (free_sese): Free SESE_PARAMS_INDEX.
1480         * sese.h (struct sese): Add params_index.
1481         (SESE_PARAMS_INDEX): New.
1482
1483 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1484
1485         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1486         (graphite_create_new_loop): Pass the newivs vector.  Push the
1487         newly created IV to newivs.
1488         (translate_clast): Pass the newivs vector.
1489         (gloog): Create and destroy the newivs vector.
1490
1491 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1492
1493         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1494         (graphite_loop_normal_form): Initialize loop->aux with the unique
1495         IV that has been created.
1496
1497 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1498
1499         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1500         scev with parameters in the base part. They where forbidden
1501         exidently.
1502
1503 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1504
1505         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1506         compile options by file names.
1507         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1508         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1509         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1510         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1511
1512 2009-05-08  Li Feng <nemokingdom@gmail.com>
1513
1514         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1515         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1516         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1517         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1518
1519 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1520
1521         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1522         by final cleanup.
1523
1524 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1525
1526         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1527         allow integer constant strides.
1528         (graphite_can_represent_expr): Depend on outermost_loop.
1529         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1530         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1531         build_scops_1): Same.
1532         (scopdet_basic_block_info): Same and insert layered SCoP
1533         detection.
1534         (try_generate_gimple_bb): Cleanup.
1535         (build_scops): Enable data references.
1536
1537         * testsuite/gcc.dg/graphite/id-5.c: New.
1538         * testsuite/gcc.dg/graphite/id-9.c: New.
1539         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1540         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1541
1542 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1543
1544         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1545         that we have not yet built for this SCoP.
1546
1547 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1548
1549         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1550         for complex numbers.
1551
1552 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1553
1554         * graphite-ppl.c: Fix build if cloog is not available.
1555
1556 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1557
1558         * tree-parloops.c (loop_parallel_p): Remove construction of
1559         NITER and REDUCTION_LIST.
1560         (try_get_loop_niter): New.
1561         (try_create_reduction_list): New.
1562         (parallelize_loops): Bypass the failed checkings in autopar
1563         when can_be_parallel in loop structure is set to true.
1564
1565 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1566
1567         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1568         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1569
1570 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1571
1572         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1573         Enable EQ_EXPR and NE_EXPR again.
1574
1575 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1576
1577         * graphite-scop-detection.c (graphite_can_represent_scev):
1578         Add check if scev is affine multivariate.
1579         (harmful_stmt_in_bb): Check if we can represent the conditions.
1580         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1581         harmful_stmt_in_bb.
1582         * testsuite/gcc.dg/graphite/id-7.c: New.
1583
1584 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1585
1586         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1587         Check all bbs in region, not only the bbs that are represented in
1588         GRAPHITE.
1589         (build_poly_scop): Add newline.
1590         * testsuite/gcc.dg/graphite/id-8.c: New.
1591
1592 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1593
1594         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1595         when loop initialize.
1596         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1597         * common.opt: Declare flag_graphite_force_parallel.
1598         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1599         loop parallel.
1600         * graphite-poly.c (apply_poly_transforms): Introduce
1601         flag_graphite_force_parallel.
1602         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1603         * toplev.c (process_options): ditto and replace a not correctly
1604         encoded space.
1605
1606 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1607
1608         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1609         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1610         to the redefinition.
1611         (compute_cloog_iv_types_1): ditto.
1612         (build_iv_mapping): ditto.
1613         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1614         initialization.
1615         (free_gimple_bb): Removed GBB_LOOPS related free part.
1616         (build_bb_loops): Removed.
1617         * sese.h (struct gimple_bb): Removed loops.
1618         (GBB_LOOPS): Removed.
1619         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1620         (gbb_loop_index): ditto.
1621
1622 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1623
1624         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1625         allow non constant strides.
1626         * testsuite/gcc.dg/graphite/scop-20.c: New.
1627
1628 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-scop-detection.c (dot_all_scops): Fix system call
1631         return value warning.
1632         (dot_scop): Same.
1633
1634 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1635
1636         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1637         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1638
1639 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1642         build_pairwise_constraint, dr_equality_constraints,
1643         build_pairwise_scheduling_equality,
1644         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1645         build_lexicographically_gt_constraint, dependence_polyhedron,
1646         graphite_legal_transform_dr, graphite_legal_transform_bb,
1647         graphite_legal_transform): New.
1648         * graphite-poly.h (graphite_legal_transform): Declared.
1649         * graphite-sese-to-poly.c (build_poly_scop): Call to
1650         graphite_legal_transform is disabled for the moment.
1651
1652 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1653
1654         * graphite-poly.h (pbb_nb_scattering_dims): New.
1655         (pbb_nb_scattering): Use it.
1656
1657 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1658
1659         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1660         Pointset_Powerset version of ppl_insert_dimensions.
1661         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1662
1663 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1664
1665         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1666
1667 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * graphite-poly.h: Fix comment.
1670
1671 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1674
1675 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1676
1677         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1678         statements.
1679
1680 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1681
1682         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1683         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1684         conditions.
1685
1686 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1687
1688         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1689         handle EQ_EXPR and NE_EXPR.
1690
1691 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1692
1693         * graphite-poly.h (poly_dr): Fix comment.
1694
1695 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1696             Tobias Grosser  <grosser@fim.uni-passau.de>
1697
1698         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
1699         with a zero dimension polyhedron.
1700         (find_scop_parameters): Move the call to scop_set_nb_params here.
1701         (build_loop_iteration_domains): Store in loop->aux the iteration
1702         domain polyhedron.
1703         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
1704         by any loop in scop.
1705         (build_poly_scop): Do not call scop_set_nb_params.
1706
1707 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
1708             Tobias Grosser  <grosser@fim.uni-passau.de>
1709
1710         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
1711         add_condition_to_domain not GT_EXPR.
1712
1713 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1714
1715         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
1716         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
1717         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
1718         upper_bound_assign to calculate unions.
1719         * testsuite/gcc.dg/graphite/id-6.c: New.
1720
1721 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1722
1723         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
1724         handle abnormal edges.
1725
1726 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
1727
1728         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
1729         (free_poly_bb): Also free poly_drs.
1730         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
1731         (poly_dr): Polyhedron to Pointset_Powerset.
1732         (pdr_accessp_nb_subscripts): Same.
1733         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
1734         poly_drs.
1735
1736 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1737
1738         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
1739         names into more meaningful names.
1740
1741 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
1744         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
1745
1746 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
1749         the reduction_list.
1750         * tree-parloops.c (rewrite_phi_with_iv): New.
1751         (rewrite_all_phi_nodes_with_iv): New.
1752         (canonicalize_loop_ivs): Call them.
1753
1754 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1755
1756         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
1757         graphite_find_data_references_in_stmt.
1758         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
1759         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
1760
1761 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1762
1763         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
1764
1765 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
1768         instead of bb_in_region.
1769         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
1770         (build_sese_conditions): Use flag_bb_in_sese.
1771         * sese.c (register_bb_in_sese): Removed.
1772         (new_sese): Remove initialization of SESE_REGION_BBS.
1773         (free_sese): Do not free SESE_REGION_BBS.
1774         * sese.h (struct sese): Remove field region_basic_blocks.
1775         (SESE_REGION_BBS): Removed.
1776         (bb_in_sese_p): Implement in function of bb_in_region.
1777
1778 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1779
1780         * graphite-scop-detection.c (limit_scops): Deal only with single exit
1781         loops.
1782
1783 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1784
1785         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
1786         and EQ_EXPR.
1787         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
1788         (add_condition_to_domain): New.
1789         (add_condition_to_pbb): New.
1790         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
1791         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
1792
1793 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1794
1795         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
1796         ppl_Pointset_Powerset.
1797         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
1798         * graphite-poly.h (poly_bb): poly_bb.domain Same.
1799         (pbb_nb_loops): Same.
1800         * graphite-sese-to-poly.c (build_loop_iteration_domains,
1801         add_conditions_to_domain): Same.
1802         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
1803         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
1804         ppl_const_Polyhedron_t.
1805         (ppl_print_powerset_matrix): New.
1806         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
1807         ppl_print_powerset_matrix): New.
1808         (ppl_print_polyhedron_matrix): Updated.
1809
1810 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1811
1812         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
1813
1814 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
1815
1816         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
1817         (print_iteration_domains, debug_iteration_domain,
1818         debug_iteration_domains): New.
1819         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
1820         debug_iteration_domains): Declared.
1821         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
1822         indenting.
1823
1824 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
1825             Sebastian Pop  <sebastian.pop@amd.com>
1826
1827         * graphite-poly.h (print_iteration_domain): New.
1828         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
1829         (build_sese_conditions_1, build_sese_conditions_after,
1830         build_sese_conditions_before): New.
1831         (build_sese_conditions): Rewritten.
1832
1833 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1834             Tobias Grosser  <grosser@fim.uni-passau.de>
1835
1836         Cleanup of code generation liveouts.
1837         * graphite-clast-to-gimple.c (translate_clast): Use a single
1838         rename_map instead of one per translated statement.
1839         Do not use SESE_LIVEOUT_RENAMES.
1840         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
1841         (gloog): Do not use SESE_LIVEOUT_RENAMES.
1842         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
1843         phi node of a reduction: when a loop contains a reduction used outside
1844         the loop, there should be a scalar close phi node on the exit block.
1845         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
1846         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
1847         (free_sese): Do not free them.
1848         (sese_build_liveouts_use): Do not use them.
1849         (sese_build_liveouts_bb): Same.
1850         (sese_build_liveouts): Same.
1851         (sese_insert_phis_for_liveouts): Same.
1852         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
1853         (defined_in_loop_p): New.
1854         (alive_after_loop): New.
1855         (close_phi_not_yet_inserted_p): New.
1856         (struct alep, alep_p): New.
1857         (add_loop_exit_phis): Remove from the rename_map all the names defined
1858         in the code generated loop.
1859         (insert_loop_close_phis): Traverse the rename_map passed to it.
1860         Don't use SESE_LIVEOUT_RENAMES.
1861         (default_liveout_before_guard): Renamed default_before_guard.
1862         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
1863         (graphite_copy_stmts_from_block): Do not directly call set_rename.
1864         (register_sese_liveout_renames): Removed.
1865         (copy_bb_and_scalar_dependences): Do not call it.
1866         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
1867         reduction_list.
1868         (SESE_LIVEOUT): Removed.
1869         (SESE_LIVEOUT_RENAMES): Removed.
1870         (SESE_REDUCTION_LIST): Removed.
1871         (sese_build_liveouts): Removed.
1872         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
1873         (insert_loop_close_phis): Pass a htab_t instead of a sese.
1874         (insert_guard_phis): Same.
1875         (rename_map_elt): Declare a VEC of them.
1876         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
1877         trees not pointers to trees.
1878
1879         Rewrite in canonical close SSA form:
1880         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
1881         (limit_scops): Close the scop after the block containing the close phi
1882         nodes.
1883         (canonicalize_loop_closed_ssa): New.
1884         (canonicalize_loop_closed_ssa_form): New.
1885         (build_scops): Call canonicalize_loop_closed_ssa_form.
1886
1887         * graphite-sese-to-poly.c: Fix typos.
1888
1889 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-poly.c (print_scattering_function, print_pbb_domain):
1892         Extended.
1893         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
1894         (print_pbb): Add conditions.
1895
1896 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1897             Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
1900         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
1901         (build_scop_bbs_1): New.
1902         (build_scop_bbs): Rewrite.
1903         * sese.h (bb_in_region): New.
1904
1905 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1906
1907         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
1908         poly_drs vector.
1909         (print_scop): Style.
1910         * graphite-poly.h (poly_bb): Add drs vector.
1911         (PBB_DRS): Add accessor.
1912         * graphite-sese-to-poly.c (build_poly_dr): New.
1913         (build_pbb_drs, build_scop_drs): New.
1914         (build_poly_scop): call build_scop_drs (Disabled at the moment).
1915
1916 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1917
1918         * tree-ssa-loop.c: Include forgotten toplev.h
1919
1920 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
1921
1922         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
1923         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
1924         * testsuite/gcc.dg/graphite/pr37928.c: Same
1925         * testsuite/gcc.dg/graphite/pr38409.c: Same
1926         * testsuite/gcc.dg/graphite/pr38498.c: Same
1927         * testsuite/gcc.dg/graphite/pr38559.c: Same
1928         * testsuite/gcc.dg/graphite/pr39335.c: Same
1929         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
1930         * testsuite/gfortran.dg/graphite/block-2.f: Same
1931         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
1932         with -floop-*.
1933
1934 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
1935
1936         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
1937         build_access_matrix, build_scop_data_accesses): Remove access function
1938         building. (We get a new version soon).
1939         (build_bb_loops, scan_tree_for_params_right_scev): Update.
1940         * sese.h (nb_loops_around_loop_in_sese): Remove.
1941         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
1942
1943 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
1944             Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         * graphite-scop-detection.c (struct scopdet_info): Rename last
1947         field to exit.
1948         (scopdet_basic_block_info, build_scops_1): Don't use
1949         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
1950
1951 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
1952             Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
1955         * sese.c (sese_build_liveouts_use): Renamed from
1956         sese_build_livein_liveouts_use. Remove liveins.
1957         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
1958         Call sese_build_liveouts_use.
1959         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
1960         Call sese_build_liveouts_bb.
1961         (new_sese, free_sese): Remove liveins.
1962         (sese_add_exit_phis_var): Deleted.
1963         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
1964         directly.
1965         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
1966
1967         * sese.h (sese): Remove num_ver and livein.
1968         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
1969
1970 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1971
1972         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
1973
1974 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1975
1976         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
1977         (build_scop_scattering): Do not use compare_prefix_loops any more.
1978         (nb_common_loops): New.
1979
1980 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1981
1982         * sese.c (get_new_name_from_old_name): Renamed get_rename.
1983         (register_old_and_new_names): Renamed set_rename.
1984
1985 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
1988         of the decl from the previous commit.
1989
1990 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1991
1992         * graphite-scop-detection.c (dot_scop): New.
1993         * graphite-scop-detection.h (dot_scop): Declared.
1994
1995 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
1996
1997         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
1998
1999 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2000
2001         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2002         condition at the end of the loop.
2003         * graphite.c (graphite_initialize, graphite_finalize): Print to
2004         dump_file the compiled function.
2005         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2006         of create_empty_loop_on_edge.
2007         (translate_clast): Update the code generation of loops for the new
2008         shape of loops.
2009         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2010
2011 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2012
2013         Reverted the patch from 2009-03-19.
2014
2015 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2016
2017         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2018         poly_drs vector.
2019         (print_scop): Style.
2020         * graphite-poly.h (poly_bb): Add drs vector.
2021         (PBB_DRS): Add accessor.
2022         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2023         (build_access_matrix_with_af, build_access_matrix,
2024         build_scop_data_accesses): Delete.
2025         (build_poly_dr): New.
2026         (build_pbb_drs, build_scop_drs): New.
2027         (build_poly_scop): call build_scop_drs.
2028
2029 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2032         once per basic block.
2033
2034 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2035
2036         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2037         (graphite_can_represent_expr): Renamed from loop_affine_expr
2038         and enhanced.
2039         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2040         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2041         (scopdet_basic_block_info): Actually define entry_block.
2042         (stmt_simple_memref_p): Moved here from ...
2043
2044         * tree-data-ref.c (stmt_simple_memref_p): here.
2045         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2046
2047 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2048
2049         * testsuite/gcc.dg/graphite/id-4.c: New.
2050
2051 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2054         (register_old_and_new_names): Update the content of the map.
2055         When there was already a rename_map_elt in the map at that
2056         location, free it.
2057         (copy_bb_and_scalar_dependences): Do rename_variables after
2058         expand_scalar_variables.
2059         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2060         of the map.  When there was already a rename_map_elt in the
2061         map at that location, free it.
2062         (translate_clast): Pass the rename_map.  Do not initialize and free
2063         a rename_map per stmt_user.
2064         (gloog): Initialize and free one rename_map and pass it to
2065         translate_clast.
2066
2067 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2068
2069         * sese.c (expand_scalar_variables_stmt,
2070         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2071         parameter.
2072         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2073         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2074         the gimple_stmt_iterator of the statement to be expanded.
2075         * graphite-scop-detection.c (is_simple_operand): Do handle
2076         REALPART_EXPR.
2077
2078 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2079
2080         * graphite-scop-detection.c (is_simple_operand): Do not handle
2081         REALPART_EXPR.
2082         * testsuite/gcc.dg/graphite/id-2.c: New.
2083
2084         * graphite-sese-to-poly.c (build_bb_loops,
2085         add_value_to_dim, scan_tree_for_params_right_scev,
2086         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2087         find_params_in_bb, build_loop_iteration_domains,
2088         add_conditions_to_domain): Remove subtract.
2089
2090 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2091
2092         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2093         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2094         pbb_loop_at_index -> gbb_loop_at_index.
2095         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2096         (debug_loop_vec): Delete.
2097         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2098         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2099         (PBB_LOOPS): Removed.
2100         (PBB_BLACK_BOX): Insert cast.
2101         (pbb_set_black_box): New setter.
2102         (pbb_loop_at_index, pbb_loop_index): Removed.
2103         (scop_set_region, scop_set_nb_params): New.
2104         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2105         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2106         (build_poly_scop): Use scop_set_nb_params.
2107         * sese.h (gimple_bb): Add LOOPS.
2108         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2109
2110 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2111
2112         Revert previous commit.
2113
2114 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2115
2116         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2117         (register_old_and_new_names): Update the content of the map.
2118         When there was already a rename_map_elt in the map at that
2119         location, free it.
2120         (copy_bb_and_scalar_dependences): Do rename_variables after
2121         expand_scalar_variables.
2122         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2123         of the map.  When there was already a rename_map_elt in the
2124         map at that location, free it.
2125         (translate_clast): Pass the rename_map.  Do not initialize and free
2126         a rename_map per stmt_user.
2127         (gloog): Initialize and free one rename_map and pass it to
2128         translate_clast.
2129
2130 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2131
2132         Remove forgotten line in revert.
2133
2134 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2135
2136         Revert previous commit.
2137
2138 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2139
2140         * sese.c (register_old_and_new_names): Update the content
2141         of the map.  When there was already a rename_map_elt in the
2142         map at that location, free it.
2143         (copy_bb_and_scalar_dependences): Do rename_variables after
2144         expand_scalar_variables.
2145         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2146         of the map.  When there was already a rename_map_elt in the
2147         map at that location, free it.
2148         (translate_clast): Pass the rename_map.  Do not initialize and free
2149         a rename_map per stmt_user.
2150         (gloog): Initialize and free one rename_map and pass it to
2151         translate_clast.
2152
2153 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2154
2155         * graphite-clast-to-gimple.c (translate_clast): context_loop
2156         is never NULL.
2157
2158 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2159             Sebastian Pop  <sebastian.pop@amd.com>
2160
2161         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2162         of the use of ppl_Polyhedron_map_space_dimensions.
2163
2164 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2165             Sebastian Pop  <sebastian.pop@amd.com>
2166
2167         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2168         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2169         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2170         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2171         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2172         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2173         pbb_nb_params): New.
2174         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2175         nb_loops_around_pbb): Adapt return types.
2176
2177 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2178
2179         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2180         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2181         graphite-scop-detection.o, graphite-poly.o): Add
2182         more headers.
2183
2184 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2185
2186         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2187         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2188         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2189
2190 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2191
2192         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2193         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2194         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2195         * testsuite/gcc.dg/graphite/block-0.c: Same.
2196         * testsuite/gcc.dg/graphite/block-1.c: Same.
2197         * testsuite/gcc.dg/graphite/block-2.c: Same.
2198         * testsuite/gcc.dg/graphite/block-3.c: Same.
2199         * testsuite/gcc.dg/graphite/block-4.c: Same.
2200         * testsuite/gcc.dg/graphite/block-5.c: Same.
2201         * testsuite/gcc.dg/graphite/block-6.c: Same.
2202         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2203         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2204         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2205         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2206         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2207         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2208         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2209         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2210         * opts.c: Remove -floop-block from -O2.
2211         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2212         -floop-strip-mine are used.
2213
2214 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2215             Sebastian Pop  <sebastian.pop@amd.com>
2216
2217         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2218         dimensions.
2219         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2220         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2221         strip_mine_profitable_p, is_interchange_valid,
2222         graphite_trans_bb_block, graphite_trans_loop_block,
2223         graphite_trans_scop_block): Temporary removed.
2224         (extend_scattering, unify_scattering_dimensions): New.
2225         (print_scattering_function, graphite_read_transforms):
2226         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2227         (graphite_generate_scattering_fns): Removed.
2228         (apply_poly_transforms): Cleanup.
2229         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2230         (schedule_to_scattering): Moved.
2231         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2232         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2233         (pbb_nb_scattering): New.
2234         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2235         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2236         Removed.
2237         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2238         shift_poly.
2239         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2240         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2241         -> PBB_TRANSFORMED_SCATTERING.
2242         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2243         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2244         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2245         (check_poly_representation): Do not return bool.
2246         (graphite_transform_loops): Reformat.
2247         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2248
2249 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2252         debug_pbb_domain, debug_pbb, debug_scop): New.
2253         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2254         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2255
2256 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         PR middle-end/39335
2259         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2260         when the type precision of the induction variable should be
2261         larger than the type precision of nit.
2262         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2263         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2264         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2265
2266         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2267         * testsuite/gcc.dg/graphite/pr39335.c: New.
2268
2269 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2272         SSA_NAMES not struct reduction_info.
2273
2274 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2275
2276         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2277
2278 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2279             Tobias Grosser  <grosser@fim.uni-passau.de>
2280
2281         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2282         (free_sese): Free SESE_REDUCTION_LIST.
2283         * sese.h (struct sese): Add field reduction_list.
2284         (SESE_REDUCTION_LIST): New.
2285         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2286         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2287
2288 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2289             Tobias Grosser  <grosser@fim.uni-passau.de>
2290
2291         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2292         of loop_p.
2293
2294 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2295             Tobias Grosser  <grosser@fim.uni-passau.de>
2296
2297         * tree-parloops.c (struct brli, build_reduction_list_info,
2298         analyze_reduction_list, gather_scalar_reductions): New.
2299         (loop_parallel_p): Build a reduction list containing only
2300         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2301         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2302         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2303         * tree-flow.h (gather_scalar_reductions): Declared.
2304
2305 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2306
2307         PR middle-end/39308
2308         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2309         number_of_iterations_exit from a gcc_assert.
2310
2311 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2312             Jan Sjodin  <jan.sjodin@amd.com>
2313
2314         * output.h (graphite_out_file, graphite_in_file): Declared.
2315         * toplev.c (graphite_out_file, graphite_in_file): New.
2316         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2317         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2318         Don't call schedule_to_scattering.
2319         * common.opt (fgraphite-write, fgraphite-read): New.
2320         * graphite-poly.c: Include output.h.
2321         (print_scattering_function, print_scattering_functions,
2322         debug_scattering_function, debug_scattering_functions,
2323         graphite_write_transforms, graphite_read_transforms,
2324         graphite_generate_scattering_fns): New.
2325         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2326         Call graphite_generate_scattering_fns, graphite_write_transforms,
2327         graphite_read_transforms.
2328         (new_poly_bb): Initialize PBB_SCATTERING.
2329         (free_poly_bb): Free PBB_SCATTERING.
2330         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2331         * graphite-poly.h (struct poly_bb): Add field scattering.
2332         (PBB_SCATTERING): New.
2333         (print_scattering_function, print_scattering_functions,
2334         debug_scattering_function, debug_scattering_functions): Declared.
2335         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2336         GMP values, not integers!
2337         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2338         ppl_read_polyhedron_matrix): New.
2339         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2340         debug_ppl_polyhedron_matrix,
2341         ppl_read_polyhedron_matrix): Declared.
2342         * Makefile.in (graphite-poly.o): Depends on output.h.
2343
2344 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2345             Tobias Grosser  <grosser@fim.uni-passau.de>
2346
2347         Revert this change:
2348         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2349         scalar evolutions in the scop_entry->loop_father.
2350
2351 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2352             Tobias Grosser  <grosser@fim.uni-passau.de>
2353
2354         * graphite.h (ref_nb_loops): Remove declaration.
2355         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2356         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2357         debug_gbb): Moved to sese.h.
2358         * sese.h: As said.
2359
2360 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2361             Tobias Grosser  <grosser@fim.uni-passau.de>
2362
2363         * graphite-data-ref.[ch]: Disable.
2364
2365 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2366             Tobias Grosser  <grosser@fim.uni-passau.de>
2367
2368         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2369         scalar evolutions in the scop_entry->loop_father.
2370
2371 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2372
2373         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2374         (graphite_cannot_represent_loop_niter): Renamed
2375         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2376         (limit_scops): build_sese_loop_nests does not return a bool.
2377         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2378         * sese.c (nb_reductions_in_loop): ... from here.
2379         (graphite_loop_normal_form): ... from here.
2380         (sese_record_loop): Does not fail, so does not return a bool.
2381         (build_sese_loop_nests): Same.
2382         * sese.h (build_sese_loop_nests): Update declaration.
2383         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2384         (build_graphite_loop_normal_form): New.
2385         (gloog): Call build_graphite_loop_normal_form.
2386         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2387         build_sese_loop_nests.
2388
2389         * testsuite/gcc.dg/graphite/id-1.c: New.
2390
2391 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2392             Tobias Grosser  <grosser@fim.uni-passau.de>
2393
2394         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2395         The SCoP detection fix is sufficient.
2396
2397 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2398
2399         PR tree-optimization/39260
2400         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2401         the basic block contains a condition with a real type.
2402         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2403
2404         * gcc.dg/graphite/pr39260.c: New.
2405
2406 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-poly.c: Inlcude params.h.
2409         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2410         the size of a tile.
2411         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2412         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2413
2414 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2415             Tobias Grosser  <grosser@fim.uni-passau.de>
2416
2417         * graphite-scop-detection.c (dot_all_scops_1,
2418         dot_all_scops): Moved here.
2419         * graphite-scop-detection.h (dot_all_scops): Declared here.
2420         * graphite.c (graphite_initialize, graphite_finalize): New.
2421         (graphite_transform_loops): Cleaned up.
2422         * sese.c (debug_oldivs): Moved here.
2423         * graphite-poly.c (graphite_apply_transformations): Renamed
2424         apply_poly_transforms.
2425         (debug_loop_vec): Moved here.
2426         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2427         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2428         find_scop_parameters, build_scop_iteration_domain,
2429         add_conditions_to_constraints, build_scop_canonical_schedules,
2430         build_scop_data_accesses): Now static.
2431         (build_poly_scop, check_poly_representation): New.
2432
2433 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2434
2435         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2436         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2437         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2438         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2439         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2440         scan_tree_for_params, struct irp_data, dx_record_params,
2441         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2442         build_loop_iteration_domains, add_conditions_to_domain,
2443         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2444         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2445         build_sese_conditions, add_conditions_to_constraints,
2446         build_scop_iteration_domain, build_access_matrix_with_af,
2447         build_access_matrix,
2448         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2449
2450         * graphite-sese-to-poly.c: New.
2451         * graphite-sese-to-poly.h: New.
2452
2453         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2454
2455 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2456
2457         * graphite.c: Split graphite code generation to a new file.
2458         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2459         max_precision_type, clast_to_gcc_expression_red,
2460         clast_to_gcc_expression, gcc_type_for_clast_expr,
2461         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2462         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2463         graphite_create_new_guard, clast_get_body_of_loop,
2464         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2465         graphite_create_new_loop, build_iv_mapping, copy_renames,
2466         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2467         compute_cloog_iv_types, free_scattering, save_var_name,
2468         initialize_cloog_names, build_scop_context, build_cloog_prog,
2469         set_cloog_options, debug_clast_stmt, scop_to_clast,
2470         print_generated_program, debug_generated_program,
2471         gloog): Moved to graphite-clast-to-gimple.c.
2472
2473         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2474
2475         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2476         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2477         loop_iv_stack_pop, loop_iv_stack_get_iv,
2478         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2479         free_loop_iv_stack, loop_iv_stack_remove_constants,
2480         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2481         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2482         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2483         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2484         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2485         get_vdef_before_sese, sese_adjust_vphi,
2486         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2487         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2488         is_iv, expand_scalar_variables_ssa_name,
2489         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2490         expand_scalar_variables, rename_variables, remove_condition,
2491         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2492         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2493         default_liveout_before_guard, add_guard_exit_phis,
2494         insert_guard_phis, register_old_and_new_names,
2495         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2496         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2497         if_region_set_false_region, create_if_region_on_edge,
2498         move_sese_in_condition): Moved to sese.c.
2499
2500         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2501         if_region_exit, if_region_get_condition_block,
2502         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2503         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2504         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2505         ivtype_map_elt, new_ivtype_map_elt,
2506         recompute_all_dominators): Moved to sese.h.
2507
2508         * graphite-clast-to-gimple.c: New.
2509         * graphite-clast-to-gimple.h: New.
2510         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2511         * sese.c: Modified as said above.
2512         * sese.h: Same.
2513
2514 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite.c: Split scop detection to a new file.
2517         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2518         move_sd_regions, loop_affine_expr, exclude_component_ref,
2519         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2520         graphite_cannot_represent_loop_niter, struct scopdet_info,
2521         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2522         find_single_entry_edge, find_single_exit_edge,
2523         create_single_entry_edge, sd_region_without_exit,
2524         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2525         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2526         Moved to graphite-scop-detection.c.
2527
2528         * graphite-scop-detection.c: New.
2529         * graphite-scop-detection.h: New.
2530         * Makefile.in: Add new rule for graphite-scop-detection.o.
2531
2532         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2533         tree-scalar-evolution.h.
2534         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2535         build_sese_loop_nests): Moved here from graphite.c.
2536         (param_index): Renamed parameter_index_in_region.
2537
2538 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2539             Sebastian Pop  <sebastian.pop@amd.com>
2540
2541         * gcc.dg/graphite/block-0.c: Expected to fail now.
2542         * gcc.dg/graphite/block-1.c: Same.
2543         * gcc.dg/graphite/block-5.c: Same.
2544         * gcc.dg/graphite/block-6.c: Same.
2545
2546 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2547             Sebastian Pop  <sebastian.pop@amd.com>
2548
2549         * graphite.h: Separate from graphite_bb_p the polyhedral
2550         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2551         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2552         graphite-data-ref.h.
2553         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2554         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2555         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2556         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2557         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2558         scop_nb_params): Moved to graphite-poly.h.
2559         * graphite-data-ref.c: Same.
2560         * graphite-data-ref.h: New.
2561         * graphite.c: Same.
2562         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2563         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2564         is_interchange_valid, graphite_trans_bb_block,
2565         graphite_trans_loop_block, scop_max_loop_depth,
2566         graphite_trans_scop_block, graphite_apply_transformations,
2567         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2568         graphite-poly.c.
2569         * graphite-poly.h: New.
2570         * graphite-poly.c: New.
2571         * Makefile.in (OBJS-common): Add graphite-poly.o.
2572         (graphite-poly.o): New rule.
2573         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2574         (DR_SCOP): Removed.
2575
2576 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2577             Tobias Grosser  <grosser@fim.uni-passau.de>
2578
2579         * graphite.c: Replace gb -> gbb.
2580         * graphite.h: Same.
2581         * graphite-data-ref.c: Same.
2582
2583 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2584             Tobias Grosser  <grosser@fim.uni-passau.de>
2585
2586         * Makefile.in (OBJS-commmon): Add sese.o.
2587         (sese.o): New.
2588         (graphite.o): Add sese.h.
2589         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2590         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2591         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2592         Move to sese.
2593         (block_before_scop): Add missing return.
2594         (new_scop, free_scop): Remove SESE data structures.
2595         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2596         find_scop_parameters, build_loop_iteration_domains,
2597         add_conditions_to_domain, register_scop_liveout_renames,
2598         copy_bb_and_scalar_dependences): Scop -> SESE.
2599
2600         (add_conditions_to_domain): SCoP -> SESE and remove check
2601         (scop_contains_non_iv_scalar_phi_nodes): New.
2602         (build_scop_conditions_1, build_scop_conditions): Remove check for
2603         non iv scalar phi nodes.
2604         (print_scop_statistics): New.
2605         (graphite_transform_loops): Cleanup.
2606
2607         * graphite.h: Move to sese & cleanup.
2608         * sese.c: New.
2609         * sese.h: New.
2610
2611 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2612             Tobias Grosser  <grosser@fim.uni-passau.de>
2613
2614         * graphite.c (build_scop_conditions_1): Conditions are only
2615         at the end of a basic block.
2616
2617 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2618             Tobias Grosser  <grosser@fim.uni-passau>
2619
2620         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2621         field.
2622         (GBB_ALPHA): Removed.
2623
2624 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2625             Tobias Grosser  <grosser@fim.uni-passau.de>
2626
2627         * graphite-data-ref.c (graphite_test_dependence): Don't use
2628         GBB_DYNAMIC_SCHEDULE.
2629         * graphite.c (new_graphite_bb): Same.
2630         (free_graphite_bb): Same.
2631         (build_scop_dynamic_schedules): Removed.
2632         (graphite_transform_loops): Don't call it.
2633         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2634         (GBB_DYNAMIC_SCHEDULE): Removed.
2635
2636 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2637             Tobias Grosser  <grosser@fim.uni-passau.de>
2638
2639         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2640         (print_graphite_bb): Same.
2641         (build_cloog_prog): Same.
2642
2643 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2644             Tobias Grosser  <grosser@fim.uni-passau.de>
2645
2646         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2647
2648 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2649             Tobias Grosser  <grosser@fim.uni-passau.de>
2650
2651         * graphite.c (build_scop_context): Don't use CloogMatrix.
2652         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2653         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2654
2655 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2656             Tobias Grosser  <grosser@fim.uni-passau.de>
2657
2658         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2659         liveout_renames, add_params fields...
2660         (struct sese): ... here.
2661         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2662         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2663
2664 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2665             Tobias Grosser  <grosser@fim.uni-passau.de>
2666
2667         * graphite.c (print_scop): Do not print the CLooG program.
2668         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2669         build_cloog_prog, gloog): Don't use SCOP_PROG.
2670         (find_transform): Renamed scop_to_clast.
2671         (print_generated_program, debug_generated_program): New.
2672         (graphite_transform_loops): Adapt to new interface.
2673         * graphite.h (struct scop): Remove program field.
2674         (SCOP_PROG): Removed.
2675         (print_generated_program, debug_generated_program): Declared.
2676
2677 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2678
2679         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2680         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2681         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2682         free_graphite_bb, build_scop_canonical_schedules,
2683         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2684         schedules are now represented using a ppl_Linear_Expression_t.
2685         * graphite.h (struct graphite_bb): Same.
2686         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2687         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2688
2689 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2690
2691         * graphite.c: Free local memory.
2692         * graphite-ppl.c: Same.
2693
2694 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2695
2696         * graphite.c (const_column_index, get_first_matching_sign_row_index,
2697         get_lower_bound_row, get_upper_bound_row, copy_constraint,
2698         swap_constraint_variables, scale_constraint_variable): Removed.
2699         (graphite_trans_bb_strip_mine): Remove pong.
2700         * graphite-ppl.c: Include missing header files.
2701         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
2702         * graphite-ppl.h (ppl_strip_loop): Declared.
2703         * Makefile.in (graphite-ppl.o): Adjust dependences.
2704
2705 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
2706
2707         * graphite.c (build_loop_iteration_domains): Remove ping pong.
2708         (build_scop_iteration_domain): Same.
2709
2710 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2713         ping pong.
2714         (add_value_to_dim, scan_tree_for_params_right_scev,
2715         scan_tree_for_params_int): New.
2716         * graphite-ppl.c (oppose_constraint): New.
2717         (insert_constraint_into_matrix): Implement missing cases.
2718         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2719
2720 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2723         use ppl_move_dimension.
2724
2725 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
2728         * graphite.c: Same.
2729         * graphite.h: Same.
2730         * graphite-ppl.c: Same.
2731         * graphite-ppl.h: Same.
2732
2733 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         Revert last 3 commits.
2736
2737 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
2740         ping pong.
2741         (add_value_to_dim, scan_tree_for_params_right_scev,
2742         scan_tree_for_params_int): New.
2743         * graphite-ppl.c (oppose_constraint): New.
2744         (insert_constraint_into_matrix): Implement missing cases.
2745         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
2746
2747 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2748
2749         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
2750
2751 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2752             Tobias Grosser  <grosser@fim.uni-passau.de>
2753
2754         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
2755         use ppl_move_dimension.
2756         * graphite-ppl.c (ppl_move_dimension): New.
2757         * graphite-ppl.h (ppl_move_dimension): Declared.
2758
2759 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
2760
2761         * graphite.c: Do not include cloog/cloog.h.
2762         (print_graphite_bb): Remove ping pong, call PPL print function.
2763
2764 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2765
2766         * Makefile.in (OBJS-common): Add graphite-ppl.o.
2767         (graphite.o): Add dependence on graphite-ppl.h.
2768         (graphite-ppl.o): New.
2769         (graphite-data-ref.c): Ping pong between PPL data structures
2770         and matrices.
2771         * graphite-ppl.c: New.
2772         * graphite-ppl.h: New.
2773         * graphite.c: Include graphite-ppl.h.
2774         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
2775         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
2776         Ping pong between PPL data structures and matrices.
2777         (new_graphite_bb): Create a PPL constraint system.
2778         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
2779         (build_loop_iteration_domains): Use PPL functions.
2780         * graphite.h: Include graphite-ppl.h.  Fix comments.
2781         (graphite_bb): Use a ppl_Constraint_System_t instead of
2782         CloogMatrix for representing the domain.
2783         (scop): Remove static_schedule.
2784         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
2785
2786 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
2787
2788         * graphite.c: Fix some comments.
2789
2790 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         PR middle-end/38953
2793         * graphite.c (if_region_set_false_region): After moving a region
2794         in the false branch of a condition, remove the empty dummy
2795         basic block.
2796         (gloog): Remove wrong fix for PR38953.
2797
2798 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2799
2800         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2801         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2802         register_bb_in_sese, new_sese, free_sese): Moved.
2803         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2804         outermost_loop_in_scop, build_scop_iteration_domain,
2805         expand_scalar_variables_ssa_name, get_vdef_before_scop,
2806         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2807         Use loop_in_sese_p instead of loop_in_scop_p.
2808         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
2809         (free_scop): Do not free SCOP_BBS_B.
2810         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
2811         ref_nb_loops): Moved here...
2812         * graphite.h (ref_nb_loops): ... from here.
2813         (struct scop): Remove bbs_b bitmap.
2814         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2815         * testsuite/gcc.dg/graphite/scop-19.c: New
2816
2817 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2818
2819         * graphite.c (scopdet_basic_block_info): Fix bug in scop
2820         detection.
2821
2822 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2823
2824         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2825         eq_loop_to_cloog_loop): Remove.
2826         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
2827         * graphite.h (struct scop): Remove loop2cloog_loop.
2828         (loop_domain_dim, loop_iteration_vector_dim): Remove.
2829
2830 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2831
2832         * opts.c (decode_options): Only add graphite options to O2
2833         if we compile with graphite enabled.
2834
2835 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2836
2837         * Merge from mainline (r143163:143684).
2838
2839 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
2840
2841         * graphite.c (debug_value): Removed.
2842         * graphite.h (debug_value): Removed.
2843
2844 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * passes.c (init_optimization_passes): Do not call pass_copy_prop
2847         after graphite: pass_copy_prop does not maintain a proper loop closed
2848         SSA form.  pass_copy_prop should be fixed.
2849
2850 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2851
2852         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
2853
2854 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2857         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2858         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2859         changed the CFG.
2860
2861 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * graphite.c (gloog): Return true when code gen succeeded.
2864         (graphite_transform_loops): Do not call cleanup_tree_cfg if
2865         the code of the function did not changed.  After cleanup_tree_cfg
2866         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
2867         form.
2868
2869 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2872         gimple_call_lhs is NULL.
2873
2874 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2875             Tobias Grosser  <tobi.grosser@amd.com>
2876
2877         * graphite.c (graphite_trans_scop_block): Do not block single
2878         nested loops.
2879
2880 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2881             Tobias Grosser  <tobi.grosser@amd.com>
2882
2883         * graphite.c (build_scop_canonical_schedules): Start schedules at
2884         zero.
2885
2886 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2887             Tobias Grosser  <tobi.grosser@amd.com>
2888
2889         * graphite.c (compare_prefix_loops): New.
2890         (build_scop_canonical_schedules): Rewritten.
2891         (graphite_transform_loops): Move build_scop_canonical_schedules
2892         after build_scop_iteration_domain.
2893
2894 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2895             Tobias Grosser  <tobi.grosser@amd.com>
2896
2897         * graphite.c (add_conditions_to_domain): Add the loops to
2898         the dimension of the iteration domain.  Do copy the domain
2899         only when it exists.
2900         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2901         (add_conditions_to_constraints): New.
2902         (can_generate_code_stmt, can_generate_code): Removed.
2903         (gloog): Do not call can_generate_code.
2904         (graphite_transform_loops): Call add_conditions_to_constraints
2905         after building the iteration domain.
2906
2907 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2908             Tobias Grosser  <tobi.grosser@amd.com>
2909             Jan Sjodin  <jan.sjodin@amd.com>
2910
2911         * graphite.c (scan_tree_for_params): On substractions negate
2912         all the coefficients of the term.
2913         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2914         of more than two operands.
2915         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2916         (get_vdef_before_scop): Handle also the case of default definitions.
2917
2918 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2919
2920         PR middle-end/38431
2921         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2922         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2923         (gloog): Do not call cleanup_tree_cfg.
2924         (graphite_transform_loops): Call cleanup_tree_cfg after all
2925         scops have been code generated.
2926
2927 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * passes.c (init_optimization_passes): Schedule after
2930         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
2931
2932 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2933
2934         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
2935         Fix comment.
2936         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
2937         Set the type of an expression to the type of its assign statement.
2938         (expand_scalar_variables_expr):  Do not pass loop_p.
2939         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2940         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2941         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2942
2943 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2944
2945         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
2946         an expression to the gimple_expr_type of its assign statement.
2947         (expand_scalar_variables_expr): Stop recursion on tcc_constant
2948         or tcc_declaration.
2949
2950 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
2951
2952         PR tree-optimization/38786
2953         * testsuite/gcc.dg/graphite/pr38786.c: New.
2954         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2955         the SSA_NAME case of expand_scalar_variables_expr.
2956         (expand_scalar_variables_expr): Also gather the scalar computation
2957         used to index the memory access.
2958         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2959         the gimple_stmt_iterator where it inserts new code.
2960
2961 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
2964
2965 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
2966
2967         * opts.c (decode_options): Enable flag_graphite_identity and
2968         flag_loop_block in -O2 and above.
2969
2970 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
2973         Fix merge problem: replace with the file from trunk.
2974
2975 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2976
2977         * Merge from mainline (r141727:143163).
2978
2979 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
2980             Jan Sjodin  <jan.sjodin@amd.com>
2981
2982         PR tree-optimization/38559
2983         * testsuite/gcc.dg/graphite/pr38559.c: New.
2984
2985         * graphite.c (debug_value, copy_constraint,
2986         swap_constraint_variables, scale_constraint_variable, ): New.
2987         (get_lower_bound, get_upper_bound): Removed.
2988         (graphite_trans_bb_strip_mine): Clean up this code that works
2989         only for constant number of iterations.  Fully copy upper and
2990         lower bound constraints, not only the constant part of them.
2991         * graphite.h (debug_value): Declared.
2992
2993 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
2994
2995         PR tree-optimization/38492
2996         PR tree-optimization/38498
2997         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2998         * tree-chrec.h (scev_is_linear_expression): Declared.
2999         * graphite.c (graphite_cannot_represent_loop_niter): New.
3000         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3001         (graphite_loop_normal_form): Use gcc_assert.
3002         (scan_tree_for_params): Use CASE_CONVERT.
3003         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3004         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3005         Use gcc_assert.  Discard scops that contain unhandled cases.
3006         (build_scop_conditions): Return a boolean status for unhandled cases.
3007         (strip_mine_profitable_p): Print the loop number, not its depth.
3008         (is_interchange_valid): Pass the depth of the loop nest, don't
3009         recompute it wrongly.
3010         (graphite_trans_bb_block): Same.
3011         (graphite_trans_bb_block): Print tentative of loop blocking.
3012         (graphite_trans_scop_block): Do not print that the loop has been
3013         blocked.
3014         (graphite_transform_loops): Do not handle scops that contain condition
3015         scalar phi nodes.
3016
3017         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3018         in trunk.
3019         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3020         * testsuite/gcc.dg/graphite/block-1.c: Same.
3021         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3022         blocking.
3023         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3024         * testsuite/gcc.dg/graphite/block-3.c: New.
3025         * testsuite/gcc.dg/graphite/pr38498.c: New.
3026
3027 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3028
3029         PR tree-optimization/38510
3030         * gcc.dg/graphite/pr38510.c: New.
3031         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3032           (translate_clast): Call recompute_all_dominators before
3033           graphite_verify.
3034           (gloog): Call recompute_all_dominators before graphite_verify.
3035
3036 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3037
3038         PR tree-optimization/38492
3039         * graphite.c (rename_map_elt, debug_rename_elt,
3040         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3041         rename_map_elt_info, eq_rename_map_elts,
3042         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3043         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3044         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3045         (sese_build_livein_liveouts): New.
3046         (new_sese, free_sese): New.
3047         (new_scop): Call new_sese.
3048         (free_scop): Call free_sese.
3049         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3050         (register_old_new_names): Renamed register_old_and_new_names.
3051         (register_scop_liveout_renames, add_loop_exit_phis,
3052         insert_loop_close_phis, struct igp,
3053         default_liveout_before_guard, add_guard_exit_phis,
3054         insert_guard_phis, copy_renames): New.
3055         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3056         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3057         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3058         (scop_adjust_phis_for_liveouts): New.
3059         (gloog): Call scop_adjust_phis_for_liveouts.
3060
3061         * graphite.h (struct sese): Documented.  Added fields liveout,
3062         num_ver and livein.
3063         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3064         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3065         (struct scop): Added field liveout_renames.
3066         (SCOP_LIVEOUT_RENAMES): New.
3067
3068 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         PR tree-optimization/38409
3071         * gcc.dg/graphite/pr38409.c: New.
3072         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3073
3074 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3075
3076         * graphite.c (gcc_type_for_cloog_iv): By default return
3077         integer_type_node.
3078         (graphite_create_new_loop): Don't fold_convert the already
3079         fold_convert-ed expression.
3080
3081 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3082
3083         PR tree-optimization/38446
3084         * gcc.dg/graphite/pr38446.c: New.
3085         * graphite.c (register_bb_in_sese): New.
3086         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3087         looking at the bbs in the region.
3088         * graphite.h (sese): Add region_basic_blocks pointer set to
3089         structure and initialize at the time of defining new scop.
3090
3091 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3092
3093         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3094         (find_params_in_bb): Do not free data refs.
3095         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3096
3097 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3100         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3101         * testsuite/gcc.dg/graphite/block-5.c: New.
3102         * testsuite/gcc.dg/graphite/block-6.c: New.
3103         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3104         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3105         * testsuite/gcc.dg/graphite/block-2.c: Same.
3106
3107         * graphite.c (struct ivtype_map_elt): New.
3108         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3109         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3110         gcc_type_for_cloog_iv): New.
3111         (loop_iv_stack_patch_for_consts): Use the type of the induction
3112         variable from the original loop, except for the automatically
3113         generated loops, i.e., in the case of a strip-mined loop, in
3114         which case there is no original loop: in that case just use
3115         integer_type_node.
3116         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3117         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3118         (clast_name_to_gcc): Accept params to be NULL.
3119         (clast_to_gcc_expression): Take an extra parameter for the type.
3120         Convert to that type all the expressions built by this function.
3121         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3122         (graphite_translate_clast_equation): Compute the type of the
3123         clast_equation before translating its LHS and RHS.
3124         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3125         (graphite_create_new_loop): Compute the type of the induction
3126         variable before translating the lower and upper bounds and before
3127         creating the induction variable.
3128         (rename_variables_from_edge, rename_phis_end_scop): New.
3129         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3130         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3131         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3132         compute_cloog_iv_types): New.
3133         (gloog): Call compute_cloog_iv_types before starting the
3134         translation of the clast.
3135
3136         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3137         (GBB_CLOOG_IV_TYPES): New.
3138         (debug_ivtype_map): Declared.
3139         (oldiv_for_loop): New.
3140
3141 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3142
3143         PR middle-end/38459
3144         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3145         (param_index): Assert if parameter is not know after parameter
3146         detection.
3147         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3148         (find_scop_parameters): Mark, that we have finished parameter
3149         detection.
3150         (graphite_transform_loops): Move condition detection before parameter
3151         detection.
3152         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3153         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3154
3155 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3156
3157         * graphite.c (graphite_transform_loops): Always call find_transform ()
3158         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3159         generate code.
3160
3161 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3162
3163         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3164         (print_scop): Ditto.
3165
3166 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3167
3168         PR middle-end/38084
3169         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3170         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3171         regions more than once.
3172
3173 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3174
3175         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3176         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3177         when not needed.
3178
3179 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3180
3181         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3182         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3183         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3184         (max_precision_type): New.
3185         (value_clast): Removed.
3186         (clast_to_gcc_expression): Be more careful to types of expressions.
3187         Use max_precision_type and update use of gmp_cst_to_tree.
3188         (graphite_translate_clast_equation): Use max_precision_type.
3189         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3190         use the type of the condition.
3191         (graphite_create_new_loop): Do not use integer_type_node, use the
3192         max_precision_type of lb and ub.
3193
3194 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         * graphite.c (build_scops_1): Initialize open_scop.exit
3197         and sinfo.last.
3198
3199 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201         * testsuite/gcc.dg/graphite/pr38084.c: New.
3202         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3203         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3204         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3205         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3206         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3207
3208 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3209             Jan Sjodin  <jan.sjodin@amd.com>
3210             Harsha Jagasia  <harsha.jagasia@amd.com>
3211
3212         PR middle-end/37852
3213         PR middle-end/37883
3214         PR middle-end/37928
3215         PR middle-end/37980
3216         PR middle-end/38038
3217         PR middle-end/38039
3218         PR middle-end/38073
3219         PR middle-end/38083
3220         PR middle-end/38125
3221
3222         * testsuite/gcc.dg/graphite/pr38073.c: New.
3223         * testsuite/gcc.dg/graphite/pr37928.c: New.
3224         * testsuite/gcc.dg/graphite/pr37883.c: New.
3225         * testsuite/gcc.dg/graphite/pr38125.c: New.
3226         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3227         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3228         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3229
3230         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3231         the number of detected scops.  Copy exact same test for loop
3232         blocking...
3233         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3234         loops to be blocked as reductions are not handled.
3235         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3236
3237         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3238         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3239         ...here.
3240         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3241         * Makefile.in (graphite.o): Depend on value-prof.h.
3242         (graphite.o-warn): Removed -Wno-error.
3243         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3244         to be a NULL pointer.  Call update_stmt.  Return the newly created
3245         cannonical induction variable.
3246
3247         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3248
3249         * graphite.c: Reimplement the code generation from graphite to gimple.
3250         Include value-prof.h.
3251         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3252         (get_old_iv_from_ssa_name): Removed.
3253         (graphite_stmt_p): New.
3254         (new_graphite_bb): Test for useful statements before building a
3255         graphite statement for the basic block.
3256         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3257         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3258         reason.
3259         (recompute_all_dominators, graphite_verify,
3260         nb_reductions_in_loop, graphite_loop_normal_form): New.
3261         (scop_record_loop): Call graphite_loop_normal_form.
3262         (build_scop_loop_nests): Iterate over all the blocks of the
3263         function instead of relying on the incomplete information from
3264         SCOP_BBS.  Return the success of the operation.
3265         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3266         (add_bb_domains): Removed.
3267         (build_loop_iteration_domains): Don't call add_bb_domains.
3268         Add the iteration domain only to the basic blocks that have been
3269         translated to graphite.
3270         (build_scop_conditions_1): Add constraints only if the basic
3271         block have been translated to graphite.
3272         (build_scop_data_accesses): Completely disabled until data
3273         dependence is correctly implemented.
3274         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3275         (remove_all_edges_1, remove_all_edges): Removed.
3276         (get_new_name_from_old_name): New.
3277         (graphite_rename_variables_in_stmt): Renamed
3278         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3279         Use replace_exp and update_stmt.
3280         (is_old_iv): Renamed is_iv.
3281         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3282         Use replace_exp and update_stmt.
3283         (expand_scalar_variables_expr): Same.  Use the map to get the
3284         new names for the renaming of induction variables and for the
3285         renaming of variables after a basic block has been copied.
3286         (expand_scalar_variables): Same.
3287         (graphite_rename_variables): Renamed rename_variables.
3288         (move_phi_nodes): Removed.
3289         (get_false_edge_from_guard_bb): New.
3290         (build_iv_mapping): Do not insert the induction variable of a
3291         loop in the renaming iv map if the basic block does not belong
3292         to that loop.
3293         (register_old_new_names, graphite_copy_stmts_from_block,
3294         copy_bb_and_scalar_dependences): New.
3295         (translate_clast): Heavily reimplemented: copy basic blocks,
3296         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3297         At each translation step call graphite_verify ensuring the
3298         consistency of the SSA, loops and dominators information.
3299         (collect_virtual_phis, find_vdef_for_var_in_bb,
3300         find_vdef_for_var_1, find_vdef_for_var,
3301         patch_phis_for_virtual_defs): Removed huge hack.
3302         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3303         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3304         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3305         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3306         if_region_get_condition_block, if_region_set_false_region,
3307         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3308         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3309         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3310         rewrite_into_sese_closed_ssa): New.
3311         (gloog): Remove dead code.  Early return if code cannot be
3312         generated.  Call cleanup_tree_cfg once the scop has been code
3313         generated.
3314         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3315         block loops with less than two loops.
3316         (graphite_apply_transformations): Remove the call to
3317         scop_remove_ignoreable_gbbs.
3318         (limit_scops): When build_scop_loop_nests fails, continue on
3319         the next scop.  Fix open_scop.entry.
3320         (graphite_transform_loops): Call recompute_all_dominators: force the
3321         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3322         Call initialize_original_copy_tables and free_original_copy_tables
3323         to be able to copy basic blocks during code generation.
3324         When build_scop_loop_nests fails, continue on next scop.
3325         (value_clast): New union.
3326         (clast_to_gcc_expression): Fix type cast warning.
3327
3328 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3329
3330         * Merge from mainline (r140838:141727).
3331
3332 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3333
3334         PR middle-end/37833
3335
3336         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3337
3338 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3339
3340         PR middle-end/37943
3341
3342         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3343         exits and conditions.
3344         * testsuite/gcc.dg/graphite/pr37943.c: New.
3345
3346 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3347
3348         PR middle-end/37886
3349         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3350
3351 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3352
3353         * doc/invoke.texi: Fix spaces.
3354
3355 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         PR tree-optimization/37891
3358         Reverted last commit.
3359         * graphite.c (create_single_entry_edge): Set
3360         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3361
3362 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3363             Mitul Thakkar  <mitul.thakkar@amd.com>
3364
3365         * graphite.c (create_single_entry_edge): Set
3366         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3367
3368 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3369
3370         * doc/invoke.texi: Add -fgraphite-identity.
3371         * graphite.c (graphite_apply_transformations): Check for
3372         -fgraphite-identity.
3373         * toplev.c (process_options): Add flag_graphite_identity.
3374         * tree-ssa-loop.c: Add flag_graphite_identity.
3375
3376 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         Undo changes from 2008-10-02:
3379         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3380         operand type when copying the operand to a variable of different type.
3381         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3382         with the IV name after increment.
3383
3384 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3385             Harsha Jagasia  <harsha.jagasia@amd.com>
3386
3387         PR tree-optimization/37828
3388         * testsuite/gcc.dg/graphite/pr37828.c: New.
3389         * graphite.c (graphite_trans_loop_block): Do not loop block
3390         single nested loops.
3391
3392 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3393             Sebastian Pop  <sebastian.pop@amd.com>
3394
3395         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3396         rename_map_elt_info, eq_rename_map_elts): New.
3397         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3398         (expand_scalar_variables_expr): Change parameters.
3399         (expand_scalar_variables_stmt): Same.
3400         (expand_scalar_variables): Same.
3401         (graphite_rename_ivs): Rename graphite_rename_variables.
3402         (build_iv_mapping): New.
3403         (translate_clast): Call build_iv_mapping.
3404         * graphite.h (gbb_p): New name.
3405
3406 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3407
3408         PR tree-optimization/37684
3409         * gcc.dg/graphite/pr37684.c: New.
3410         * graphite.c (exclude_component_ref): New.
3411         (is_simple_operand): Call exclude_component_ref.
3412
3413 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3414             Harsha Jagasia  <harsha.jagasia@amd.com>
3415
3416         PR tree-optimization/37485
3417         * gcc.dg/graphite/block-2.c: New
3418         * graphite.c (gmp_cst_to_tree): Moved.
3419         (iv_stack_entry_is_constant): New.
3420         (iv_stack_entry_is_iv): New.
3421         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3422         (loop_iv_stack_insert_constant): New.
3423         (loop_iv_stack_pop): Use new datatpype.
3424         (loop_iv_stack_get_iv): Same.
3425         (loop_iv_stack_get_iv_from_name): Same.
3426         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3427         (loop_iv_stack_patch_for_consts): New.
3428         (loop_iv_stack_remove_constants): New.
3429         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3430         (translate_clast): Call loop_iv_stack_patch_for_consts and
3431         loop_iv_stack_remove_constants.
3432         (gloog): Use new datatype.  Redirect construction edge to end
3433         block to avoid accidental deletion.
3434         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3435         iv stack entry.
3436         (union iv_stack_entry_data): New.  Data in iv stack entry.
3437         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3438
3439 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3442         operand type when copying the operand to a variable of different type.
3443
3444 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3447         with the IV name after increment.
3448
3449 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3450
3451         * Merge from mainline (r140164:140838).
3452
3453 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3454
3455         * graphite-data-ref.c: New.
3456         * graphite.c (print_scop): Also dump the dependence graph.
3457         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3458         (new_scop): Initialize SCOP_DEP_GRAPH.
3459         (build_scop_dynamic_schedules): New.
3460         (build_access_matrix_with_af): Fixed column numbering.
3461         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3462         * graphite.h: Add ifndef/define guards against multiple inclusion.
3463         (struct scop): Add dep_graph field.
3464         (SCOP_DEP_GRAPH): Defined.
3465         (ref_nb_loops): Fixed and moved to other position.
3466         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3467         (nb_loops_around_loop_in_scop): New.
3468         (graphite_dump_dependence_graph): Declared.
3469         (graphite_build_rdg_all_levels): Declared.
3470         (graphite_test_dependence): Declared.
3471         * Makefile.in (graphite-data-ref.o): New target.
3472
3473 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * Merge from mainline (139870:140164).
3476
3477 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3478
3479         * Merge from mainline (138275:139870).
3480         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3481         the commits from trunk broke the niter detection.
3482
3483 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite.c: Add more documentation.  Fix formatting.
3486         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3487         loop_iv_stack_debug): Moved...
3488         (schedule_to_scattering): Move before use.
3489         (dot_all_scops): Include in "#if 0" the code for system
3490         call dotty.
3491
3492         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3493         loop_iv_stack_debug): ...here.
3494
3495 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3496
3497         * tree-phinodes.c (make_phi_node): Extern.
3498         (add_phi_node_to_bb): New.
3499         (create_phi_node): Call add_phi_node_to_bb.
3500         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3501         (remove_statement): Handle case where stored phi was updated
3502         and is no longer the same.
3503         * graphite.c (is_parameter): New.
3504         (is_old_iv): New.
3505         (expand_scalar_variables_expr): New.
3506         (expand_scalar_variables_stmt): New.
3507         (expand_scalar_variables): New.
3508         (move_phi_nodes): Create new phi instead of moving old one.
3509         (translate_clast): Call expand_scalar_variables.
3510         (find_vdef_for_var_in_bb): Also scan regular definitions.
3511         (skip_phi_defs): New.
3512         (collect_scop_exit_phi_args): New.
3513         (patch_scop_exit_phi_args): New.
3514         (gloog): Patch phis after scop.
3515         * tree-flow.h: (add_phi_node_to_bb): Declared.
3516         (make_phi_node): Declared.
3517
3518 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * graphite.c (end_scop): Split the entry of the scop when it
3521         is the header of the loop in which the scop is ending.
3522         (build_scops_1, limit_scops): Update uses of end_scop.
3523
3524 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3527         SCOP_ENTRY or SCOP_EXIT.
3528
3529 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3530
3531         * graphite.c (get_construction_edge): Removed.
3532         (gloog): Construction edge is the scop entry edge.
3533
3534 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3535
3536         * graphite.c (can_generate_for_scop): Removed.
3537         (gloog): Do not call it.
3538
3539 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3540
3541         * graphite.c (new_scop): Entry of a scop is an edge.
3542         Initialize SESE region.
3543         (free_scop): Free SESE region.
3544         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3545         (split_difficult_bb): New, split from end_scop.
3546         (end_scop): Exit of a scop is an edge.
3547         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3548         not automatically updated and thus is always wrong.
3549         * graphite.h (struct sese): New.
3550         (SESE_ENTRY): New.
3551         (SESE_EXIT): New.
3552         (struct scop): New field for a SESE region.  Remove entry, exit.
3553         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3554         semantics as before.  Moved comment around.
3555
3556 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3557             Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite.c (graphite_transform_loops): Always enable gloog
3560         and find_transform when ENABLE_CHECKING.
3561
3562 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite.c (graphite_transform_loops): Move pretty printer
3565         of SCOPs before doing any transform.  Remove call to print_scops
3566         and dot_all_scops_1.
3567
3568 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3569
3570         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3571         (print_graphite_bb): Same.
3572
3573 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         * graphite.c (dot_all_scops_1): Cleanup.
3576         (move_scops): Fix comment.
3577
3578 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3579
3580         * graphite.c (build_scop_bbs): Revert commit 139355:
3581
3582         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3583                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3584
3585                 * graphite.c (build_scop_bbs): Factor up code.
3586
3587 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3588
3589         * graphite.c (gloog): Update dominator info.
3590
3591 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3592
3593         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3594
3595 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3596
3597         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3598         initialization.
3599         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3600         (translate_clast): Correct formatting.
3601         * graphite.h (struct num_map): Removed.
3602         (struct graphite_bb): Remove num_map field.
3603         (GBB_INDEX_TO_NUM_MAP): Removed.
3604
3605 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3606
3607         * graphite.c (build_access_matrix_with_af): Fix comments.
3608         (build_scop_data_accesses): Same.
3609
3610 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3611
3612         * graphite.c (build_scop_data_accesses): Don't construct
3613         access matrices.  Add a FIXME and an assert condition that
3614         should pass when the access matrices will be needed.
3615
3616 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3617
3618         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3619         really_constant_p.
3620         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3621         Moved close by free_graphite_bb.
3622         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3623         (new_scop): Move close by free_scop.
3624         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3625
3626 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3627
3628         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3629         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3630         instead of recursive call.
3631         (graphite_translate_clast_equation): New.
3632         (graphite_create_guard_cond_expr): New.
3633         (graphite_create_new_guard): New.
3634         (get_stack_index_from_iv): Removed.
3635         (graphite_rename_ivs_stmt): Use gbb_loop_index.
3636         (get_true_edge_from_guard_bb): New.
3637         (translate_clast): Handle stmt_guard in clast.
3638         (get_construction_edge): Allow construction edge detection for
3639         a scope entry with multiple predecessors if one predecessor is
3640         the immediate dominator of scope entry.
3641         (can_generate_code_stmt): Enable code generation for clast_guard.
3642         (gloog): Use correct context loop.  Removed check for post dominators.
3643         * cfgloop.h (create_empty_if_region_on_edge): Declared.
3644
3645 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3646
3647         * graphite.c (remove_dead_loops): Document better which
3648         loops are removed.
3649
3650 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3651
3652         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
3653         and PPLINC.
3654         (graphite.o): Also depends on pointer-set.h.
3655
3656 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         * graphite.c (scop_record_loop): Fix compile warning.
3659
3660 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
3661             Sebastian Pop  <sebastian.pop@amd.com>
3662
3663         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
3664
3665 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3666
3667         * graphite.c (build_graphite_bb): Initialize bb->aux to
3668         point to the graphite_bb_p.
3669         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
3670         content of bb->aux.
3671         (add_bb_domains): Does not use the scop parameter.
3672         (graphite_transform_loops): Clean bb->aux at the end.
3673
3674 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3675             Sebastian Pop  <sebastian.pop@amd.com>
3676
3677         * testsuite/lib/target-supports.exp
3678         (check_effective_target_fgraphite): New.
3679
3680         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
3681         check_effective_target_fgraphite returns false.
3682         Set dg-do-what-default to compile.
3683         (scan-graphite-dump-times): Removed.
3684         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
3685
3686         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
3687         Use scan-tree-dump-times instead of scan-graphite-dump-times.
3688         * testsuite/gcc.dg/graphite/scop-1.c: Same.
3689         * testsuite/gcc.dg/graphite/scop-2.c: Same.
3690         * testsuite/gcc.dg/graphite/scop-3.c: Same.
3691         * testsuite/gcc.dg/graphite/scop-4.c: Same.
3692         * testsuite/gcc.dg/graphite/scop-5.c: Same.
3693         * testsuite/gcc.dg/graphite/scop-6.c: Same.
3694         * testsuite/gcc.dg/graphite/scop-7.c: Same.
3695         * testsuite/gcc.dg/graphite/scop-8.c: Same.
3696         * testsuite/gcc.dg/graphite/scop-9.c: Same.
3697         * testsuite/gcc.dg/graphite/scop-10.c: Same.
3698         * testsuite/gcc.dg/graphite/scop-11.c: Same.
3699         * testsuite/gcc.dg/graphite/scop-12.c: Same.
3700         * testsuite/gcc.dg/graphite/scop-13.c: Same.
3701         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
3702         * testsuite/gcc.dg/graphite/scop-14.c: Same.
3703         * testsuite/gcc.dg/graphite/scop-15.c: Same.
3704         * testsuite/gcc.dg/graphite/block-0.c: Same.
3705         * testsuite/gcc.dg/graphite/scop-16.c: Same.
3706         * testsuite/gcc.dg/graphite/block-1.c: Same.
3707         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3708         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3709         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
3710         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
3711         * testsuite/gfortran.dg/graphite/block-2.f: Same.
3712
3713 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * graphite.c: Fix some XXX comments.
3716         (build_scop_dynamic_schedules): Removed.
3717
3718 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * graphite.h (scop_max_loop_depth): Moved...
3721         * graphite.c (scop_max_loop_depth): ...here.
3722         (remove_all_edges_1): New.
3723         (remove_all_edges): Factored code.
3724         (remove_cond_exprs): Check only the last statement for
3725         a GIMPLE_COND expression.
3726
3727 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3728
3729         * graphite.c (scan_tree_for_params): Early return when the
3730         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
3731         (find_scop_parameters): Factor out code.
3732         (graphite_trans_bb_strip_mine): Remove dead code.
3733
3734 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3735
3736         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
3737         graphite_trans_bb_move_loop): Factor asserts.
3738         (gloog): Perform sanity checks only for ENABLE_CHECKING.
3739         Do not call calculate_dominance_info and estimate_bb_frequencies.
3740
3741 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
3742
3743         * graphite.c (create_loops_mapping, free_loops_mapping,
3744         create_loops_mapping_num, debug_loop_mapping_1,
3745         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
3746         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
3747         graphite_loops_mapping_add_child_num,
3748         graphite_loops_mapping_insert_child,
3749         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
3750         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
3751         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
3752         create_num_from_index, get_num_from_index,
3753         swap_loop_mapped_depth): Removed.
3754         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
3755         (free_scop): Do not call free_loops_mapping.
3756         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
3757         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
3758         get_loop_mapped_depth.
3759         (graphite_trans_bb_move_loop): Do not update the loop mapping.
3760         (graphite_trans_bb_strip_mine): Same.
3761         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
3762         (struct scop): Remove field loops_mapping.
3763
3764 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3765             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3766
3767         * graphite.c (scop_record_loop): Factor out one level of the
3768         condition by early return.
3769         (build_scop_loop_nests): Format following FSF coding style.
3770         (build_scop_dynamic_schedules): Factor out code.
3771         (scopdet_bb_info): Reindent.  Default case should not be reachable.
3772
3773 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3774             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3775
3776         * graphite.c (loop_affine_expr): Check for DECL_P or struct
3777         assignments that are not handled as simple operands for now.
3778
3779 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3780             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3781
3782         * graphite.c (build_scop_bbs): Factor up code.
3783
3784 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3785             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3786
3787         * graphite.c (stmt_simple_for_scop_p): Factor code out
3788         of the loop.
3789         (enum gbb_type): New.  Group all the GBB_* types under it.
3790         (is_loop_exit): Moved...
3791         (end_scop): Enable BB spliting.
3792         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
3793         * cfgloop.h (is_loop_exit): Declared.
3794
3795 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3796
3797         * doc/invoke.texi: Remove strides from examples containing
3798         DO loops when the strides are equal to 1.
3799
3800 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
3801             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3802
3803         * graphite.c (graphite_trans_scop_block): Or the result with
3804         the result from graphite_trans_loop_block.
3805         * testsuite/gcc.dg/graphite/block-1.c: New.
3806         * testsuite/gfortran.dg/graphite/block-1.f90: New.
3807         * testsuite/gfortran.dg/graphite/block-2.f: New.
3808
3809 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * graphite.c (graphite_transform_loops): Call cloog_initialize
3812         and cloog_finalize.
3813
3814 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * tree-data-ref.c) (stmt_simple_memref_p): New.
3817         * tree-data-ref.h (stmt_simple_memref_p): Declared.
3818         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
3819         (is_simple_operand): Call stmt_simple_memref_p.
3820
3821         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
3822         using pointer arithmetic, as this is optimized by PRE and
3823         makes the code too difficult to analyze.
3824
3825         * testsuite/gcc.dg/graphite/scop-18.c: Same.
3826
3827 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3828
3829         * gdbinit.in (pgg): New.
3830
3831 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3832
3833         * graphite.c (graphite_trans_loop_block): Fix warning.
3834
3835 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3836
3837         * graphite.c (graphite_trans_loop_block): Fix my merge error.
3838
3839 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
3840
3841         * graphite.c (graphite_trans_bb_block): Remove check for
3842         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
3843         Check if loop blocking is profitable for every loop, before applying
3844         the changes.
3845         (graphite_apply_transformations): Call graphite_trans_bb_block only,
3846         if flag_loop_block is set.
3847
3848 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * graphite.c: Add some more documentation for the loop
3851         mapping.
3852
3853 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
3856         * graphite.c: Format on less than 80 columns.
3857         * graphite.h: Same.
3858
3859 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
3862
3863 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
3864
3865         * doc/invoke.texi (floop-block, floop-strip-mine,
3866         floop-interchange): Update documentation with examples.
3867
3868 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3869
3870         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
3871         add_referenced_var.
3872         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
3873
3874 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
3877         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
3878         * tree-scalar-evolution.c: Revert useless changes.
3879         * tree-phinodes.c: Same.
3880         * cfghooks.c: Same.
3881         * vec.h: Same.
3882         * tree-vectorizer.h: Same.
3883         * tree-flow.h: Same.
3884         * tree-cfg.c: Same.
3885         * common.opt (fgraphite): Update documentation.
3886
3887 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
3888
3889         * doc/invoke.texi (-floop-block, -floop-strip-mine,
3890         -floop-interchange): Add more text for explaining what each of these
3891         flags is doing.
3892         * tree-into-ssa.c (gimple_vec): Moved to...
3893         * graphite.c: Include gimple.h.
3894         (gimple_vec): Moved to...
3895         (del_loop_to_cloog_loop): Removed.
3896         (loop_affine_expr): Do not call create_data_ref when the
3897         operand is a constant.
3898 &