gcc/ChangeLog.graphite

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