gcc/ChangeLog.graphite

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