gcc/ChangeLog.graphite

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