gcc/ChangeLog.graphite

   1 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
   4
   5 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
   6             Sebastian Pop  <sebastian.pop@amd.com>
   7
   8         * graphite-interchange.c (build_linearized_memory_access): Pass an
   9         offset as parameter.
  10         (memory_stride_in_loop): Include transform scattering in the
  11         access functions to be able to querry the strides in the
  12         transformed loops.
  13         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
  14         not the psct_iterator_dim.
  15
  16 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         * graphite-blocking.c (pbb_do_strip_mine): Removed.
  19         (lst_do_strip_mine_loop): New.
  20         (lst_do_strip_mine): New.
  21         (scop_do_strip_mine): Call lst_do_strip_mine.
  22         * graphite-poly.h (lst_add_loop_under_loop): New.
  23         (lst_find_first_pbb): New.
  24
  25 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         * graphite-poly.c (loop_to_lst): Fix LST creation.
  28
  29 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  30
  31         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
  32         sizeof(unsigned long) to make it run on 32bit systems.
  33
  34 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  35
  36         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
  37         SEGFAULT on 32bit.
  38
  39 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
  40
  41         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
  42         Comment.
  43         (write_alias_graph_to_ascii_dot): New.
  44         (write_alias_graph_to_ascii_ecc): Ditto.
  45         (partition_drs_to_sets): Add testing of optimality of current method
  46         which assigns alias numbers according to DFS Comopnent number.  used
  47         as heuristic for the upcoming ECC algorithm.
  48         (build_scop_drs): Write to file also with the ecc and dot format.
  49
  50 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         * gfortran.dg/graphite/interchange-1.f: XFail.
  53
  54 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite.c (graphite_initialize): Do not handle functions with
  57         more than 100 basic blocks.
  58
  59 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  60
  61         * graphite-blocking.c (pbb_do_strip_mine): Use
  62         PARAM_LOOP_BLOCK_TILE_SIZE.
  63
  64 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  65
  66         * graphite-poly.c (dot_lst_1): New.
  67         (dot_lst): New.
  68         * graphite-poly.h (dot_lst): Declared.
  69
  70 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
  71
  72         * graphite-dependences.c (dot_deps_stmt_1): New.
  73         (dot_deps_stmt): New.
  74         * graphite-dependences.h (dot_deps_stmt): Declared.
  75
  76 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
  79         not replace cross BB scalar dependences ending on PHI nodes.
  80         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
  81
  82 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-poly.c (apply_poly_transforms): Implement the high
  85         level driver for flag_loop_block.
  86         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
  87         flag_loop_block.
  88
  89         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
  90         -floop-block.
  91         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  92         Add -floop-block.
  93
  94 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * graphite-poly.h (lst_find_pbb): New.
  97         (find_lst_loop): New.
  98
  99 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 102         * graphite-poly.h (struct scop): Remove dep_graph field.
 103         (SCOP_DEP_GRAPH): Removed.
 104
 105 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 106
 107         * graphite-poly.h (copy_lst): Do full copy of LST.
 108
 109 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 112         when the loop stride is zero.
 113
 114         * gcc.dg/graphite/id-16.c: New.
 115
 116 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 117
 118         * graphite-dependences.c (reduction_dr_1): New.
 119         (reduction_dr_p): New.
 120         (graphite_legal_transform_dr): Call reduction_dr_p.
 121         (reduction_ddr): Renamed reduction_ddr_p.
 122         * graphite-poly.h (same_pdr_p): New.
 123         (number_of_write_pdrs): New.
 124         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 125         (split_reduction_stmt): Do not split reduction statements
 126         when there are no writes to memory.
 127         (translate_scalar_reduction_to_array_for_stmt): Insert the
 128         memory reduction statement just after the scalar reduction statement.
 129
 130         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 131         Un-XFAIL-ed.
 132         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 133         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 134
 135 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 136
 137         * graphite-interchange.c (lst_apply_interchange): New.
 138         (lst_interchange_profitable_p): New.
 139         (lst_try_interchange_loops): New.
 140         (lst_try_interchange): New.
 141         (lst_do_interchange): New.
 142         (pbb_do_interchange): Removed.
 143         (scop_do_interchange): Call lst_do_interchange.
 144
 145 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 146
 147         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 148         SCOP_TRANSFORMED_SCHEDULE.
 149         (loop_to_lst): New.
 150         (scop_to_lst): New.
 151         (print_lst): New.
 152         (debug_lst): New.
 153         * graphite-poly.h (lst_p): New.
 154         (struct lst): New.
 155         (LST_LOOP_P): New.
 156         (LST_LOOP_FATHER): New.
 157         (LST_PBB): New.
 158         (LST_SEQ): New.
 159         (scop_to_lst): Declared.
 160         (print_lst): Declared.
 161         (debug_lst): Declared.
 162         (new_lst_loop): New.
 163         (new_lst_stmt): New.
 164         (copy_lst): New.
 165         (lst_depth): New.
 166         (lst_dewey_number): New.
 167         (struct scop): Add original_schedule and transformed_schedule fields.
 168         (SCOP_ORIGINAL_SCHEDULE): New.
 169         (SCOP_TRANSFORMED_SCHEDULE): New.
 170         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 171
 172 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         * graphite-dependences.c (reduction_ddr): New.
 175         (graphite_legal_transform_bb): Call reduction_ddr.
 176         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 177         Initialize PBB_IS_REDUCTION.
 178         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 179         (PBB_IS_REDUCTION): New.
 180         (new_poly_bb): Update declaration.
 181         * graphite-scop-detection.h (build_scop_bbs): Removed.
 182         (nb_reductions_in_loop): Removed.
 183         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 184         parameter for reductions.
 185         (try_generate_gimple_bb): Update call to new_poly_bb.
 186         (build_scop_bbs_1): Same.
 187         (build_scop_bbs): Same.
 188         (gsi_for_phi_node): New.
 189         (scalar_close_phi_node_p): Remove gcc_assert.
 190         (split_reduction_stmt): New.
 191         (is_reduction_operation_p): New.
 192         (phi_contains_arg): New.
 193         (follow_ssa_with_commutative_ops): New.
 194         (detect_commutative_reduction_arg): New.
 195         (detect_commutative_reduction_assign): New.
 196         (follow_inital_value_to_phi): New.
 197         (edge_initial_value_for_loop_phi): New.
 198         (initial_value_for_loop_phi): New.
 199         (detect_commutative_reduction): New.
 200         (translate_scalar_reduction_to_array_for_stmt): New.
 201         (insert_copyout): New.
 202         (insert_copyin): New.
 203         (translate_scalar_reduction_to_array): New.
 204         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 205         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 206         (rewrite_commutative_reductions_out_of_ssa): New.
 207         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 208         * sese.h (split_region_for_bb): New.
 209
 210         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 211         * gcc.dg/graphite/interchange-1.c: Fix format.
 212         * gcc.dg/graphite/interchange-10.c: New.
 213
 214 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 215
 216         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 217         buggy assert.
 218
 219 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 220
 221         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 222         (rewrite_cross_bb_scalar_dependence): New.
 223         (rewrite_cross_bb_scalar_deps): New.
 224         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 225         Call rewrite_cross_bb_scalar_deps.
 226
 227 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 228
 229         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 230         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 231         gsi_for_stmt.
 232
 233 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 234
 235         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 236         * graphite-interchange.c (pbb_do_interchange): Same.
 237         * graphite-poly.c (print_scattering_function): Same.
 238         (debug_pdrs): Same.
 239         * graphite-poly.h (pbb_loop): New.
 240         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 241
 242 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 245
 246 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 247
 248         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 249         so don't pass a pointer to it.
 250         (build_alias_set_for_drs): Same.
 251         (build_base_obj_set_for_drs): Same.
 252         (build_scop_drs): Same.
 253
 254 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 255
 256         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 257         the alias graph of data references.
 258
 259 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 260
 261         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 262         (build_scop_drs): When debugging, write the alias graph to file,
 263         otherwise, should be disabled.
 264
 265 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 266
 267         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 268         (is_simple_operand): Remove call to stmt_simple_memref_p.
 269         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 270
 271 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 272
 273         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 274         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 275         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 276         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 277         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 278
 279 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 280
 281         PR middle-end/41118
 282         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 283         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 284         (graphite_carried_dependence_level_k): Ditto.
 285         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 286         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 287         (new_poly_dr): Adjust declaration.
 288         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 289         (free_gimple_bb): Added free_data_refs_aux.
 290         (build_poly_dr): Add dr_base_object_set.
 291         (partition_drs_to_sets): New.
 292         (dr_same_base_object_p): New.
 293         (build_alias_set_for_drs): New.
 294         (build_base_object_set_for_drs): New.
 295         (build_scop_drs): Add build_base_obj_set_for_drs.
 296         * graphite-sese-to-poly.h: Added #define for alias set number index and
 297         base object set index.
 298         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 299         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 300
 301 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 302
 303         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 304         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 305
 306 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-sese-to-poly.c (struct irp_data): Removed.
 309         (idx_record_params): Removed.
 310         (find_params_in_bb): Scan for parameters the access functions; don't
 311         parse the tree representation.
 312
 313 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 316         passes at -O1 and below.
 317
 318 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 319
 320         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 321         tree-scalar-evolution.h, and then tree-data-ref.h.
 322         * graphite-clast-to-gimple.c: Same.
 323         * graphite-dependences.c: Same.
 324         * graphite-interchange.c: Same.
 325         * graphite-poly.c: Same.
 326         * graphite-scop-detection.c: Same.
 327         * graphite-sese-to-poly.c: Same.
 328         * graphite.c: Same.
 329         * lambda-code.c: Same.
 330         * matrix-reorg.c: Same.
 331         * tree-data-ref.c: Same.
 332         * tree-if-conv.c: Same.
 333         * tree-loop-distribu: Same.: Same.
 334         * tree-loop-linear.c: Same.
 335         * tree-parloops.c: Same.
 336         * tree-predcom.c: Same.
 337         * tree-vect-patterns.c: Same.
 338
 339 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         Partially revert the previous patch, except the following.
 342         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 343         as parameters the operands of the not expression.
 344
 345 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 346
 347         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 348         Do not call analyze_scalar_evolution on assignments.
 349         (instantiate_scev_phi): Call analyze_scalar_evolution.
 350         (instantiate_scev_name): Call instantiate_scev_assign and
 351         instantiate_scev_phi.
 352         (instantiate_scev_not): Adapted to pass as parameters the operands
 353         of the not expression.
 354
 355 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 358         to pass as parameters the operands of the binary expression.
 359
 360 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 361
 362         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 363         instantiate_scev_not.  Handle NEGATE_EXPR.
 364         (instantiate_scev_r): Handle NEGATE_EXPR.
 365
 366 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 367
 368         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 369         instantiate_scev_r.
 370         (instantiate_scev_r): Move code in instantiate_scev_2
 371         and instantiate_scev_1.
 372
 373 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 374
 375         * tree-scalar-evolution.c (instantiate_scev_3): New.
 376         (instantiate_scev_1): Move code in instantiate_scev_3.
 377
 378 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 381         (instantiate_scev_1): Move code in instantiate_scev_poly.
 382
 383 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 384
 385         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 386         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 387
 388 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 389
 390         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 391         (instantiate_scev_1): Move code in instantiate_scev_convert.
 392
 393 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 394
 395         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 396         (instantiate_scev_1): Move code in instantiate_scev_binary.
 397
 398 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 399
 400         * tree-scalar-evolution.c (instantiate_scev_name): New.
 401         (instantiate_scev_1): Move code in instantiate_scev_name.
 402
 403 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 404
 405         * Merge from mainline (150992:151171).
 406
 407 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 408
 409         * graphite-dependences.c (graphite_legal_transform_bb): Call
 410         pbb_remove_duplicate_pdrs.
 411         * graphite-poly.c (can_collapse_pdr): Removed.
 412         (pdr_find_duplicate): Removed.
 413         (can_collapse_pdrs): New.
 414         (pbb_remove_duplicate_pdrs): New.
 415         (new_poly_dr): Do not look for duplicates.
 416         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 417         (PBB_PDR_DUPLICATES_REMOVED): New.
 418         (pbb_remove_duplicate_pdrs): Declared.
 419
 420 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 421
 422         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 423         the strides by multiplying by PDR_NB_REFS.
 424         * graphite-poly.c (can_collapse_pdr): New.
 425         (pdr_find_duplicate): New.
 426         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 427         Initialize PDR_NB_REFS.
 428         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 429         (PDR_NB_REFS): New.
 430         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 431
 432 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 433
 434         Revert one of the previous commits:
 435         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 436         the computation of symmetric data dependence relations.
 437         (dependency_between_pbbs_p): Same.
 438
 439 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 440
 441         PR middle-end/40965
 442         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 443         any transform.
 444
 445 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 446
 447         * graphite-dependences.c (pddr_original_scattering): Return NULL
 448         for read-read dependence relations.
 449         * graphite-poly.h (enum poly_dr_type): Fix comment.
 450         (pdr_read_p): New.
 451         (pdr_write_p): New.
 452         (pdr_may_write_p): New.
 453
 454 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 455
 456         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 457         (struct poly_dr): Same.
 458         (new_poly_dr): Same.
 459         * graphite-poly.c (new_poly_dr): Same.
 460
 461 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 462             Sebastian Pop  <sebastian.pop@amd.com>
 463
 464         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 465         pbb_strip_mine_time_depth.  Changed the implementation so that
 466         transformation is expressed as a transformation on
 467         time (scatttering) dimensions.  Also, ensures that the 2d+1
 468         scheduling format is preserved.
 469         (pbb_strip_mine_profitable_p): Profitability is based on the
 470         iteration number of a given time (scattering) dimension,
 471         and not on a original loop depth dimension.
 472         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 473         (pbb_do_strip_mine): Call psct_dynamic_dim.
 474         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 475         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 476         (pbb_nb_dynamic_scattering_transform): New.
 477         (psct_dynamic_dim): New.
 478
 479 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 480
 481         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 482         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 483         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 484         * graphite-interchange.c (build_linearized_memory_access): Same.
 485         (memory_stride_in_loop): Same.
 486
 487 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 488
 489         * graphite-dependences.c (pddr_original_scattering): New.
 490         (graphite_legal_transform_dr): Call pddr_original_scattering.
 491         (dot_deps_1): New.
 492         (dot_deps): New.
 493         * graphite-dependences.h (dot_deps): Declared.
 494         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 495         (print_pdr): Print PDR_ID.
 496         * graphite-poly.h (struct poly_dr): Add field id.
 497         (PDR_ID): New.
 498         (pbb_index): New.
 499         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 500
 501 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 502
 503         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 504         not delete the original dependence relation.
 505
 506 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 509         the computation of symmetric data dependence relations.
 510         (dependency_between_pbbs_p): Same.
 511
 512 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 515         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 516         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 517         (free_poly_ddr): New.
 518         (pddr_is_empty): New.
 519         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 520         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 521         Remove fprintfs.
 522         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 523         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 524         * graphite-dependences.h (enum poly_dependence_kind): New.
 525         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 526         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 527         (PDRP_SINK): Renamed PDDR_SINK.
 528         (PDRP_DDP): Renamed PDDR_DDP.
 529         (PDDR_KIND): New.
 530         (free_poly_ddr): Declared.
 531         * graphite-poly.c (new_scop): Use the new hash function names.
 532         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 533         into original_pddrs.
 534         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 535
 536 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 537
 538         * Merge from mainline (150764:150992).
 539
 540 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 543         bounds with LT_EXPR to make niter analysis more precise on code
 544         generated by Graphite.
 545
 546 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 547
 548         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 549         (graphite_legal_transform_bb): Same.
 550         (poly_drs_may_alias_p): Same.
 551
 552 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 553
 554         PR middle-end/40981
 555         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 556         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 557
 558 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 559
 560         * graphite-poly.c (print_pbb): Print PBB index.
 561
 562 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 563
 564         * Merge from mainline (r150672:150764).
 565
 566 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-interchange.c (ppl_max_for_le): Moved...
 569         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 570         * graphite-ppl.c (ppl_max_for_le): ... here.
 571         * graphite-ppl.h (ppl_max_for_le): Declared.
 572
 573 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 574
 575         * Merge from mainline (r150372:150672).
 576
 577 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         PR middle-end/40980
 580         * sese.c (convert_for_phi_arg): New.
 581         (add_guard_exit_phis): Use convert_for_phi_arg.
 582
 583         * testsuite/gfortran.dg/graphite/id-17.f: New.
 584
 585 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 588         unknown subscript upper bounds.
 589
 590         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 591
 592 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 593             Pranav Garg  <pranav.garg2107@gmail.com>
 594
 595         * graphite-interchange.c (gather_access_strides): Removed.
 596         (ppl_max_for_le): New.
 597         (build_linearized_memory_access): New.
 598         (memory_stride_in_loop): New.
 599         (pbb_interchange_profitable_p): Reimplemented.
 600         * graphite-ppl.h (ppl_new_id_map): New.
 601         (ppl_interchange): New.
 602
 603         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 604
 605 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 606
 607         * graphite-interchange.c (compute_subscript): Removed.
 608         (compute_array_size_cstr): Removed.
 609         (compute_array_size_poly): Removed.
 610         (compute_array_size): Removed.
 611         (gather_access_strides_poly): Removed.
 612         (gather_access_strides): Empty.
 613
 614 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 615
 616         * graphite-dependences.c (dependence_polyhedron_1): Replace
 617         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 618         (graphite_legal_transform_dr): Same.
 619         (graphite_carried_dependence_level_k): Same.
 620         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 621         Initialize PDR_NB_SUBSCRIPTS.
 622         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 623         PDR_NB_SUBSCRIPTS.
 624         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 625         (PDR_NB_SUBSCRIPTS): New.
 626         (pdr_nb_subscripts): Removed.
 627         (pdr_dim): Simplified.
 628         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 629         with PDR_NB_SUBSCRIPTS.
 630
 631 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 632
 633         * graphite-interchange.c (compute_array_size): Remove use of
 634         PDR_DATA_CONTAINER.
 635         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 636         Do not initialize PDR_DATA_CONTAINER.
 637         (print_pdr): Do not print PDR_DATA_CONTAINER.
 638         * graphite-poly.h (struct poly_dr): Remove data_container field.
 639         (PDR_DATA_CONTAINER): Removed.
 640         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 641         PDR_DATA_CONTAINER.
 642         (build_poly_dr): Same.
 643
 644 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 647
 648 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 649             Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 652         copy of the dependence polyhedron.  Free the temporary objects.
 653         (graphite_carried_dependence_level_k): Free unused objects before
 654         returning.
 655
 656         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 657         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 658         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 659         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 660         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 661
 662 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 663
 664         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 665         Early return without analyzing the data dependences if no
 666         transform has been done.  Call restore_scattering if the transform
 667         is not legal.
 668         (graphite-interchange.c): Same.
 669         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 670         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 671         (apply_poly_transforms): Do not gcc_assert that
 672         the transform is legal.
 673         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 674         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 675         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 676         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 677         * graphite-poly.h (struct poly_scattering): New.
 678         (struct poly_bb): Add original, transformed, and saved fields.
 679         Remove transformed_scattering, original_scattering, nb_local_variables,
 680         and nb_scattering_transform fields.
 681         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 682         (poly_scattering_new): New.
 683         (poly_scattering_free): New.
 684         (poly_scattering_copy): New.
 685         (store_scattering_pbb): New.
 686         (store_scattering): New.
 687         (restore_scattering_pbb): New.
 688         (restore_scattering): New.
 689         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 690         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 691
 692 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 693
 694         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 695         (print_scop): Same.
 696
 697 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 698
 699         * Makefile.in (graphite.o): Depends on PREDICT_H.
 700         * graphite.c: Include predict.h.
 701         (graphite_finalize): Call tree_estimate_probability.
 702         * predict.c (predict_loops): Do not call scev_initialize and
 703         scev_finalize.
 704         (tree_estimate_probability_bb): New.
 705         (tree_estimate_probability): Do not initialize loops: move that
 706         code to the driver.  Call tree_estimate_probability_bb.
 707         (tree_estimate_probability_driver): New.
 708         (pass_profile): Use tree_estimate_probability_driver.
 709         * predict.h (tree_estimate_probability): Declared.
 710
 711 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 712
 713         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 714         * graphite-dependences.c (graphite_legal_transform): Add time to
 715         TV_GRAPHITE_DATA_DEPS.
 716         (dependency_between_pbbs_p): Same.
 717         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 718
 719 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * Merge from mainline (r149952:150372).
 722
 723 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 724
 725         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 726         * graphite-blocking.c: Same.
 727         * graphite-clast-to-gimple.c: Same.
 728         * graphite-dependences.c: Same.
 729         * graphite-poly.c: Same.
 730         * graphite-poly.h: Same.
 731         * graphite-ppl.c: Same.
 732         * graphite-scop-detection.c: Same.
 733         * graphite-sese-to-poly.c: Same.
 734         * graphite.c: Same.
 735
 736 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 739         (remove_simple_copy_phi): New.
 740         (remove_invariant_phi): New.
 741         (simple_copy_phi_p): New.
 742         (reduction_phi_p): New.
 743         (gsi_for_ssa_name_def): New.
 744         (insert_out_of_ssa_copy): New.
 745         (insert_out_of_ssa_copy_on_edge): New.
 746         (create_zero_dim_array): New.
 747         (scalar_close_phi_node_p): New.
 748         (rewrite_close_phi_out_of_ssa): New.
 749         (rewrite_phi_out_of_ssa): New.
 750         (rewrite_reductions_out_of_ssa): New.
 751         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 752
 753         * testsuite/gcc.dg/graphite/id-11.c: New.
 754         * testsuite/gcc.dg/graphite/id-15.c: New.
 755         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 756         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 757         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 758         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 759         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 760         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 761         * testsuite/gfortran.dg/graphite/id-13.f: New.
 762         * testsuite/gfortran.dg/graphite/id-5.f: New.
 763
 764 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 765
 766         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 767         check that nb_reductions_in_loop is zero.
 768         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 769         reduction phi nodes.
 770         (nb_reductions_in_loop): Removed.
 771         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 772         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 773         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 774         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 775         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 776
 777 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 778
 779         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 780         statements that have an empty iteration domain.
 781         * testsuite/gfortran.dg/graphite/id-16.f: New.
 782
 783 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * tree-scalar-evolution.c (instantiate_scev_1): Return
 786         chrec_dont_know when the result is not above instantiate_below.
 787         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 788         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 789         the tree has a known scalar evolution.
 790         * testsuite/gfortran.dg/graphite/id-14.f: New.
 791         * testsuite/gfortran.dg/graphite/id-15.f: New.
 792
 793 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 794
 795         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 796         insert_gsi.
 797         (rename_variables): Keep inserting renames after the ones already
 798         inserted.
 799
 800 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 801
 802         * graphite-sese-to-poly.c (compare_bb_depths): New.
 803         (graphite_sort_dominated_info): New.
 804         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 805         (build_scop_scattering): Fix comment.
 806
 807 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 808
 809         * graphite.c (graphite_finalize): Call print_loops instead of
 810         dump_function_to_file.
 811         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 812         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 813         loops generated in the graphite output file.
 814         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 815         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 816         * testsuite/gfortran.dg/graphite/id-12.f: New.
 817
 818 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 819
 820         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 821         Remove 2 XFAIL.
 822
 823 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 824             Tobias Grosser  <grosser@fim.uni-passau.de>
 825
 826         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 827         alias set number build alias in ACCESSES polyhedron.
 828         (build_alias_set_for_drs): New.
 829         (build_pbb_drs): Added build_alias_set_for_drs.
 830         * graphite-dependences.c (poly_drs_may_alias_p): New.
 831         (graphite_carried_dependence_level_k): Check alias information
 832         before building polyhedron.
 833
 834 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 835
 836         * Makefile.in (lambda-code.o): Fix formatting.
 837
 838 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 839
 840         * Merge from mainline (r149350-149952)
 841
 842 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 843
 844         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 845         before interchange to prepare for loop blocking.
 846
 847 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 848
 849         * graphite-poly.c (apply_poly_transforms): Add checks after every
 850         transformation.
 851         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 852         done in apply_poly_transforms.
 853
 854 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 855
 856         * graphite-dependences.c (build_lexicographically_gt_constraint):
 857         Replace RES parameter with *RES.
 858         (dependence_polyhedron_1): Pass an address of the parameter RES
 859         instead of value of RES.
 860
 861 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 862
 863         * graphite.c (graphite_finalize): Fix comment.
 864         (graphite_transform_loops): Reset scev info after code generation
 865         of each scop.
 866
 867 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite.c (graphite_finalize): Call scev_reset.
 870
 871 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 872
 873         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 874         GBB_CLOOG_IV_TYPES hash table twice.
 875         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 876         (add_condition_to_domain): Clear GMP values.
 877
 878 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-dependences.c: Fix formatting.
 881         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 882         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 883         * graphite-sese-to-poly.c: Fix formatting.
 884         * graphite.c (graphite_transform_loops): Create the hash table
 885         after the early return.
 886
 887 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         * testsuite/gcc.dg/graphite/id-14.c: New.
 890         * testsuite/gcc.dg/graphite/pr40157.c: New.
 891         * testsuite/gfortran.dg/graphite/id-11.f: New.
 892
 893 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 894
 895         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 896         (build_poly_scop): Return false when there are no pbbs within
 897         loops to avoid to pass to cloog scops with no loops.
 898
 899 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 900
 901         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 902         useless test "i % 2".
 903         (build_pbb_scattering_polyhedrons): Fix formatting.
 904         (build_poly_dr): Same.
 905         * graphite.c (graphite_transform_loops): Restructure.
 906
 907 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 908
 909         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 910         reduction_list parameter.
 911         (rewrite_all_phi_nodes_with_iv): Same.
 912         (canonicalize_loop_ivs): Same.
 913         * tree-parloops.c (struct brli): Removed.
 914         (build_reduction_list_info): Removed.
 915         (build_new_reduction): New.
 916         (analyze_reduction_list): Removed.
 917         (gather_scalar_reductions): Find reductions instead of phi
 918         nodes that can't be canonicalized.
 919         (try_create_reduction_list): Remove reduction_list parameter.
 920         (gen_parallel_loop): Same.
 921         (parallelize_loops): Remove analyze_reductions variable,
 922         initialization and free.
 923         Change reduction_list htab initialization to reduction_info
 924         elements instead of ssa names.
 925         Call try_create_reduction_list and gen_parallel_loop without
 926         analyzed_reduction argument.
 927         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 928         canonicalize_loop_ivs with one less argument.
 929         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 930
 931 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 932
 933         * graphite-dependences.c (new_poly_dr_pair): New.
 934         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 935         (new_poly_dr_pair): New.
 936         (eq_poly_dr_pair_p): New.
 937         (hash_poly_dr_pair_p): New.
 938         * graphite-dependences.h (struct poly_dr_pair): New.
 939         (eq_poly_dr_pair_p): Declared.
 940         (hash_poly_dr_pair_p): Declared.
 941         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
 942         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
 943         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
 944         * Makefile.in (graphite-poly.o): Add dependence on
 945         graphite-dependences.h.
 946
 947 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
 950         polynomials of degree > 1 pass to Graphite.
 951         * tree-chrec.c (scev_is_linear_expression): Call
 952         evolution_function_is_affine_multivariate_p.
 953         * testsuite/gfortran.dg/graphite/id-10.f90: New.
 954
 955 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
 958         Instantiate scevs varying in outer loops.
 959         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
 960
 961 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
 964         redundant constraint.
 965
 966 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 967
 968         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
 969         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
 970         based on the file names as in the C testsuite.
 971         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
 972         * testsuite/gfortran.dg/graphite/block-2.f: Same.
 973         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
 974         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
 975         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
 976         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
 977         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
 978         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
 979         * testsuite/gfortran.dg/graphite/id-6.f: Same.
 980         * testsuite/gfortran.dg/graphite/id-9.f: Same.
 981         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
 982         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
 983         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
 984
 985 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * sese.c (expand_scalar_variables_call): New.
 988         (expand_scalar_variables_ssa_name): Handle calls in expander.
 989
 990 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 991
 992         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
 993         Expect to see the pattern twice.
 994         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
 995         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
 996         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
 997
 998 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * testsuite/gcc.dg/graphite/id-10.c: New.
1001         * testsuite/gcc.dg/graphite/id-12.c: New.
1002         * testsuite/gfortran.dg/graphite/id-7.f: New.
1003         * testsuite/gfortran.dg/graphite/id-8.f: New.
1004
1005 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1006
1007         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1008         zero.
1009
1010 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1011
1012         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1013
1014 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1015
1016         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1017
1018 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1019
1020         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1021         building PDR subscripts.
1022
1023 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1024
1025         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1026         computation of array sizes.
1027
1028 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1029
1030         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1031
1032 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1033
1034         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1035         build_pairwise_constraint, dr_equality_constraints,
1036         build_pairwise_scheduling_equality,
1037         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1038         build_lexicographically_gt_constraint, dependence_polyhedron,
1039         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1040         Move from NNC_Polyhedron to C_Polyhedron.
1041         * graphite-interchange.c (compute_array_size_poly,
1042         gather_access_strides): Dito.
1043         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1044         free_scop, pbb_number_of_iterations): Dito.
1045         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1046         pbb_dim_iter_domain, struct scop): Dito.
1047         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1048         new_Cloog_Domain_from_ppl_Polyhedron,
1049         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1050         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1051         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1052         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1053         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1054         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1055         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1056         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1057         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1058         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1059         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1060         build_scop_iteration_domain, build_poly_dr): Dito
1061
1062 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1063
1064         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1065         run-id-*.c files.
1066         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1067
1068 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1071         positivity constraint on the symbolic number of iterations.
1072
1073 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1076
1077 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1078             Tobias Grosser  <grosser@fim.uni-passau.de>
1079
1080         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1081         (build_cloog_prog): Directly use SCOP_CONTEXT.
1082         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1083         (free_scop): Free SCOP_CONTEXT.
1084         (print_scop_context): New.
1085         (print_scop): Call print_scop_context.
1086         (debug_scop_context): New.
1087         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1088         (struct scop): Added field context.
1089         (SCOP_CONTEXT): New.
1090         * graphite-sese-to-poly.c (add_param_constraints): New.
1091         (build_scop_context): New.
1092         (build_poly_scop): Call build_scop_context.
1093
1094 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1097         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1098         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1099         * graphite-ppl.h: Include double-int.h and tree.h.
1100         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1101         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1102         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1103         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1104
1105 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1106
1107         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1108         POINTER_PLUS_EXPR for pointer types.
1109         (clast_to_gcc_expression): Same.
1110
1111 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1112
1113         * graphite-poly.c (print_scattering_function): Early return when
1114         PBB_TRANSFORMED_SCATTERING is not initialized.
1115         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1116
1117 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1118
1119         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1120         to fix bootstrap.
1121
1122 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1123
1124         * tree-parloops.c (analyze_reduction_list): Change return
1125         value to void.
1126         (try_create_reduction_list): Move the call to
1127         analyze_reduction_list to the beginining.
1128         Call reduction_phi with analyzed_reductions as argument
1129         instead of reduction_list.
1130
1131 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1132
1133         *  Merge from mainline (r148296:149346)
1134
1135 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-scop-detection.c (graphite_can_represent_init): New.
1138         (graphite_can_represent_scev): Call graphite_can_represent_init:
1139         check that the initial value does not contain multiplications of
1140         parameters.
1141         (stmt_has_simple_data_refs_p): New.
1142         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1143         (is_simple_operand): Fix formatting.
1144         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1145
1146 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * testsuite/gcc.dg/graphite/id-13.c: New.
1149         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1150         analyze_scalar_evolution, use scalar_evolution_in_region.
1151         (scan_tree_for_params_right_scev): Add extra assert.
1152         (parameter_index_in_region_1): Split from parameter_index_in_region.
1153         (idx_record_params): Use scalar_evolution_in_region.
1154         (find_params_in_bb): Same.
1155         (find_scop_parameters): Same.
1156         (build_loop_iteration_domains): Same.
1157         (create_linear_expr_from_tree): Same.
1158         * sese.c (scalar_evolution_in_region): New.
1159         * sese.h (scalar_evolution_in_region): Declared.
1160         (defined_in_sese_p): New.
1161         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1162         static anymore.
1163         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1164         Declared.
1165
1166 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1169         TREE_DATA_REF_H also implies SCEV_H.
1170
1171 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-poly.c (print_scop_params): New.
1174         (print_scop): Call print_scop_params.
1175         (debug_scop_params): New.
1176         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1177
1178 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1179
1180         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1181         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1182         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1183         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1184         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1185         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1186
1187 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1188
1189         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1190         for dependency checking part.
1191         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1192         tests for dependency checking.
1193         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1194         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1195         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1196         flag -fdump-tree-graphite-all for autopar testsuites.
1197
1198 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1199
1200         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1201         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1202         canonicalize_loop_ivs): Moved...
1203         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1204
1205 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1206
1207         * tree-parloops.c (try_create_reduction_list): Pass an extra
1208         argument analyzed_reductions.  Call analyze_reduction_list.
1209         (gen_parallel_loop): Do not call analyze_reduction_list.
1210         (parallelize_loops): Init and finalize analyzed_reductions.
1211
1212 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1213
1214         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1215         Added flag -fno-loop-strip-mine for autopar testcase.
1216
1217 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1218
1219         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1220         transformed scattering dimension instead of unmatch orignal when
1221         calling dependence_polyhedron.
1222
1223 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1226
1227 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1230         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1231
1232 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1235         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1236         * graphite-poly.c (pbb_number_of_iterations): New.
1237         * graphite-poly.h (pbb_number_of_iterations): Declared.
1238         (pbb_iterator_dim, pbb_parameter_dim): New.
1239
1240 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1243         last commit on type of lower and upper bound of loops.
1244
1245 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1246
1247         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1248         graphite-dependences.h.
1249         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1250         (mark_bb_with_pbb): New.
1251         (get_stmtfor_depth): New.
1252         (find_pbb_via_hash): New.
1253         (dependency_in_loop_p): New.
1254         (mark_loops_parallel): New.
1255         (free_aux_in_new_loops): New.
1256         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1257         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1258         innermost loop parallel without checking.
1259         (gloog): Add parameter BB_PBB_MAPPING.
1260         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1261         (gloog): Change declaration.
1262         (mark_loop_parallel): Make extern.
1263         (free_aux_in_new_loops): Declare.
1264         (bb_pbb_map_hash): New.
1265         (eq_bb_pbb_map): New.
1266         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1267         auto parallelization when flag_graphite_force_parallel is set.
1268         (graphite_finalize): Added free_aux_in_new_loops.
1269         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1270         the innermost loop that marked parallel.  Use
1271         flag_graphite_force_parallel instead of loop->can_be_parallel.
1272         (loop_parallel_p): Move inner most checking out of function.
1273
1274 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1277         type of lower and upper bound of loops signed long int.
1278
1279 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1280
1281         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1282         expression outside the loop.
1283
1284 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * gcc.dg/graphite/interchange-8.c: New.
1287
1288 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1289
1290         * gcc.dg/graphite/interchange-0.c: XFailed.
1291         * gcc.dg/graphite/interchange-5.c: XFailed.
1292         * gcc.dg/graphite/interchange-6.c: XFailed.
1293
1294 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1295
1296         * graphite-interchange.c (compute_array_size_poly): The end of the
1297         recursion should return 1.
1298
1299 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1300
1301         * graphite-interchange.c (compute_array_size_cstr): Allow the
1302         subscript multiplier to be -1.
1303         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1304         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1305         data_container.  Initializes PDR_DATA_CONTAINER.
1306         (print_pdr_access_layout): New.
1307         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1308         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1309         data_container.
1310         (PDR_DATA_CONTAINER): New.
1311         (new_poly_dr): Update declaration.
1312         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1313         (build_poly_dr): Call pdr_add_data_dimensions.
1314
1315 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1316
1317         * graphite-poly.h (struct poly_dr): Fix comment.
1318         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1319         (pdr_add_memory_accesses): New.
1320         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1321
1322 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1323
1324         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1325         (print_pbb): Add call to print_pdrs.
1326         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1327
1328 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1329             Li Feng <nemokingdom@gmail.com>
1330
1331         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1332         (dependency_between_pbbs_p): New.
1333         (lexicographically_gt_p): Assure !empty_p before polyhedron
1334         intersection assign.
1335         (build_lexicographically_gt_constraint): Correct lexicographically
1336         judging.
1337         * graphite-dependences.h: New.
1338         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1339
1340 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1341
1342         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1343         (gloog): Print to dump_file the generated clast.
1344         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1345         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1346
1347 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1348
1349         * graphite-poly.c (extend_scattering): Increment
1350         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1351
1352 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * graphite-interchange.c (compute_array_size_poly): Added exit of
1355         recursion condition.  Continue iterating even after the first equality.
1356         (compute_array_size): Same.
1357
1358 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1359
1360         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1361         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1362         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1363         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1364         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1365
1366 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1369         only when the use verifies is_gimple_reg.
1370
1371 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1372
1373         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1374         Allocate scaldims after call to unify_scattering_dimensions.
1375
1376 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1379
1380 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1381             Albert Cohen  <albert.cohen@inria.fr>
1382
1383         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1384         variables for the strip mining.
1385
1386 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1387             Pranav Garg  <pranav.garg2107@gmail.com>
1388
1389         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1390         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1391         (graphite-blocking.o): New rule.
1392         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1393         * graphite-blocking.c: New.
1394         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1395         flag_loop_strip_mine.
1396         (psct_scattering_dim_for_loop_depth): New.
1397         * graphite-poly.h (scop_do_strip_mine): Declared.
1398         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1399         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1400         flag_loop_strip_mine.
1401
1402 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1405         a GMP value and a PPL coefficient at each iteration of a loop.
1406
1407 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-dependences.c (dependence_polyhedron): Do not use
1410         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1411         pbb_nb_scattering_transform.
1412         (graphite_legal_transform_dr): Same.
1413         * graphite-poly.c (extend_scattering): Same.
1414         (unify_scattering_dimensions): Same.
1415         (print_scattering_function): Same.
1416         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1417         PBB_NB_LOCAL_VARIABLES.
1418         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1419         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1420         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1421         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1422         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1423         (pbb_nb_scattering_transform): New.
1424         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1425         (psco_scattering_dim): Add assert on parameters.
1426         (psct_scattering_dim): Same.
1427         (psct_scattering_dim_for_loop_depth): Declared.
1428         (psct_local_var_dim): New.
1429         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1430         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1431         correct layout, call pbb_nb_local_vars.
1432         (psct_add_local_variable, psct_add_scattering_dimension): New.
1433         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1434         Initialize PBB_NB_SCATTERING_TRANSFORM.
1435
1436 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1439         (set_coef): Renamed ppl_set_coef.
1440         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1441
1442 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1443
1444         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1445         test a boolean against 1.
1446         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1447         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1448         (pbb_do_interchange): Returns true when a transform has been performed.
1449         (scop_do_interchange): Same.
1450         * graphite-poly.c (apply_poly_transforms): Use the return value of
1451         scop_do_interchange.
1452         * graphite-poly.h (scop_do_interchange): Update declaration.
1453
1454 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1455
1456         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1457         after last use.
1458         * sese.c (sese_reset_aux_in_loops): New.
1459         * sese.h (sese_reset_aux_in_loops): New.
1460
1461 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1464         multiplier and multiply the constant by the multiplier.
1465         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1466         (build_poly_dr): Do not use the multiplier to define the subscript.
1467
1468 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1469
1470         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1471         compiler's data reference.  Initialize PDR_CDR.
1472         (print_pdr): Call dump_data_reference.
1473         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1474         Add compiler_dr field.
1475         (PDR_BB): Renamed PDR_PBB.
1476         (PDR_CDR): New.
1477         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1478         GCC's data reference representation.
1479         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1480         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1481
1482 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-poly.c (print_scattering_function): Also print the layout.
1485         * graphite-poly.h (pbb_nb_local_vars): New.
1486
1487 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1488
1489         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1490
1491 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1492
1493         * graphite-poly.c (print_pdr, debug_pdr): New.
1494         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1495         (PDR_BASE): Removed.
1496
1497 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1500         ltrans-{1..6,8}.c.
1501
1502 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1503
1504         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1505         subscript identification column.
1506         (pbb_do_interchange): Print to dump_file that some loops "will be
1507         interchanged".  Rely on that chain of characters in the testcases.
1508         * gcc.dg/graphite/interchange-0.c: New.
1509         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1510         interchange-*.c files and compile them with -floop-interchange.
1511
1512 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1513
1514         * graphite-interchange.c (interchange_profitable_p): Renamed
1515         pbb_interchange_profitable_p.
1516
1517 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1518             Harsha Jagasia  <harsha.jagasia@amd.com>
1519             Pranav Garg  <pranav.garg2107@gmail.com>
1520
1521         * graphite-interchange.c (interchange_profitable_p): Make static.
1522         (pbb_interchange_loop_depths, pbb_do_interchange,
1523         scop_do_interchange): New.
1524         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1525         for flag_loop_interchange.
1526         * graphite-poly.h (scop_do_interchange): Declared.
1527         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1528         flag_loop_interchange is used.
1529
1530 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * graphite-dependences.c (dependence_polyhedron): Update use of
1533         pbb_nb_scattering_dims.
1534         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1535         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1536         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1537         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1538
1539 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * graphite.c: Cleanup foo.
1542
1543 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * Merge from mainline (r143684:148293).
1546         * Disabled libpcp until it gets fixed.
1547
1548 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1549             Harsha Jagasia  <harsha.jagasia@amd.com>
1550
1551         * graphite-interchange.c: New.
1552         * Makefile.in (graphite-interchange.o): New.
1553         * graphite-poly.h (interchange_profitable_p): Declared.
1554         * graphite-ppl.h (value_max): New.
1555
1556 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1557
1558         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1559         * graphite-poly.h: Fix some comments.
1560         (pdr_dim): New.
1561         (pdr_scop): New.
1562
1563 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1564
1565         * graphite-poly.h
1566         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1567         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1568         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1569         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1570         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1571         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1572         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1573         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1574         * graphite-clast-to-gimple.c: Same.
1575         * graphite-dependences.c: Same.
1576         * graphite-poly.c: Same.
1577         * graphite-sese-to-poly.c: Same.
1578
1579 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1580
1581         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1582         expressions for an IV rename, as returned by clast_to_gcc_expression.
1583         (copy_renames): Rename new_name to expr.
1584         * sese.c (debug_rename_elt): Same.
1585         (get_rename): Same.
1586         (set_rename): Same.
1587         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1588         the information from the rename map.
1589         (rename_variables_in_stmt): Same.
1590         (add_loop_exit_phis): Rename new_name to expr.
1591         (insert_loop_close_phis): Same.
1592         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1593         * sese.h (struct rename_map_elt): Rename new_name to expr.
1594         (new_rename_map_elt): Same.
1595
1596 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1597
1598         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1599         * sese.c (set_rename): Make it extern.
1600         * sese.h (set_rename): Declared.
1601
1602 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1603
1604         * graphite-poly.c (extend_scattering): Free values.
1605         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1606         Free iterators.
1607         (ppl_print_powerset_matrix): Same.
1608         * graphite-scop-detection.c (free_scops_1): New.
1609         (limit_scops): Call free_scops_1.
1610         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1611         (build_poly_dr): Free PPL coefficients.
1612         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1613
1614 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * graphite-dependences.c: New.
1617         * graphite-data-ref.c: Removed.
1618         * graphite-data-ref.h: Removed.
1619         * Makefile.in (graphite-data-ref.o): Removed.
1620         (graphite-dependences.o): Added.
1621         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1622         * graphite-poly.c: Same.
1623         Move the data dependence testing to graphite-dependences.c.
1624
1625 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1626
1627         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1628         from graphite_cannot_represent_loop. Code refactored.
1629         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1630
1631 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1632
1633         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1634         Cover all the testcases (not only the filtered ones).
1635
1636 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1637
1638         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1639         unnecessary check. Update comments. Move check for REAL_TYPE here.
1640         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1641         done in (stmt_simple_for_scop_p).
1642
1643 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1644
1645         * graphite.c (print_global_statistics): New.
1646         (print_graphite_scop_statistic): New.
1647         (print_graphite_statistics): New.
1648         (graphite_initialize, graphite_transform_loops): Print statistics.
1649         * graphite-scop-detection (build_scops): Print statistics.
1650         (print_graphite_scop_statistics): New.
1651         (print_graphite_statistics): New.
1652
1653 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1654
1655         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1656         (debug_clast_name_index): Removed.
1657         (debug_clast_name_indexes_1): Removed.
1658         (debug_clast_name_indexes): Removed.
1659         (clast_name_index_elt_info): Removed.
1660         (eq_clast_name_indexes): Removed.
1661         (clast_name_to_index): Removed.
1662         (new_clast_name_index): Removed.
1663         (save_clast_name_index): Removed.
1664         (save_var_name): Moved...
1665         (init_sese_params_index): Removed.
1666         (clast_name_to_gcc): Remove use of name_tree.
1667         (initialize_cloog_names): Same.
1668         (gloog): Do not call init_sese_params_index.
1669         * graphite-sese-to-poly.c (save_var_name): ...here.
1670         (parameter_index_in_region): New.
1671         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1672         (parameter_index_in_region): Removed.
1673         (is_parameter): Remove use of name_tree.
1674         * sese.h (struct name_tree): Removed.
1675         (struct sese): Remove use of name_tree.  New field params_names.
1676         (SESE_PARAMS_NAMES): New.
1677         (SESE_PARAMS): Remove duplicate.
1678         (parameter_index_in_region): Removed.
1679         (sese_nb_params): Remove use of name_tree.
1680         (struct clast_name_index): New.
1681         (new_clast_name_index): New.
1682         (clast_name_to_index): New.
1683         (save_clast_name_index): New.
1684         (debug_clast_name_index): New.
1685         (debug_clast_name_indexes_1): New.
1686         (debug_clast_name_indexes): New.
1687         (clast_name_index_elt_info): New.
1688         (eq_clast_name_indexes): New.
1689
1690 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1691
1692         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1693         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1694         (graphite_loop_normal_form): Do not pass region.  Do not
1695         initialize SESE_OLDIVS.
1696         (build_graphite_loop_normal_form): Update call to
1697         graphite_loop_normal_form.
1698         * sese.c (debug_oldivs): Removed.
1699         (new_sese): Do not initialize SESE_OLDIVS.
1700         (free_sese): Do not free SESE_OLDIVS.
1701         (oldiv_for_loop): Removed.
1702         * sese.h (struct sese): Remove old_ivs.
1703         (SESE_OLDIVS): Removed.
1704         (oldiv_for_loop): Removed.
1705
1706 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1709         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1710         replaced by a call to newivs_to_depth_to_newiv.
1711         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1712         (clast_to_gcc_expression_red): Same.
1713         (gcc_type_for_clast_expr): Same.
1714         (gcc_type_for_clast_eq): Same.
1715         (graphite_translate_clast_equation): Same.
1716         (graphite_create_guard_cond_expr): Same.
1717         (graphite_create_new_guard): Same.
1718         (graphite_create_new_loop): Same.
1719         (build_iv_mapping): Same.
1720         (translate_clast): Same.
1721         (gloog): Same.
1722         (loop_iv_stack_patch_for_consts): Removed.  *
1723         sese.c (iv_stack_entry_is_constant): Removed.
1724         (iv_stack_entry_is_iv): Removed.
1725         (loop_iv_stack_push_iv): Removed.
1726         (loop_iv_stack_insert_constant): Removed.
1727         (loop_iv_stack_pop): Removed.
1728         (loop_iv_stack_get_iv): Removed.
1729         (loop_iv_stack_get_iv_from_name): Removed.
1730         (debug_loop_iv_stack): Removed.
1731         (free_loop_iv_stack): Removed.
1732         (loop_iv_stack_remove_constants): Removed.  *
1733         sese.h (iv_stack_entry_kind): Removed.
1734         (iv_stack_entry_data_union): Removed.
1735         (iv_stack_entry_struct): Removed.
1736         (iv_stack_entry_p): Removed.
1737         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1738         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1739         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1740         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1741         (gbb_loop_at_index): Fix indenting.
1742         (gbb_loop_index): Removed.
1743
1744 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1745
1746         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1747         Call clast_name_to_index.
1748
1749 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1750
1751         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1752         do not pass params.  Get params from SESE_PARAMS.
1753         (clast_to_gcc_expression): Same.
1754         (clast_to_gcc_expression_red): Same.
1755         (gcc_type_for_clast_eq): Same.
1756         (graphite_translate_clast_equation): Same.
1757         (graphite_create_new_loop): Same.
1758         * sese.c (rename_variables_in_stmt): Fix comment.
1759
1760 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1761
1762         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1763         newivs_index.
1764         Call save_clast_name_index.
1765         (translate_clast): Pass newivs_index.
1766         (gloog): Create and free newivs_index.
1767
1768 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1769
1770         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1771         (clast_name_index_p): New type.
1772         (debug_clast_name_index): New.
1773         (debug_clast_name_indexes_1): New.
1774         (debug_clast_name_indexes): New.
1775         (clast_name_index_elt_info): New.
1776         (eq_clast_name_indexes): New.
1777         (clast_name_to_index): New.
1778         (new_clast_name_index): New.
1779         (save_clast_name_index): New.
1780         (init_sese_params_index): New.
1781         (gloog): Call init_sese_params_index.
1782         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1783         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1784         (free_sese): Free SESE_PARAMS_INDEX.
1785         * sese.h (struct sese): Add params_index.
1786         (SESE_PARAMS_INDEX): New.
1787
1788 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1791         (graphite_create_new_loop): Pass the newivs vector.  Push the
1792         newly created IV to newivs.
1793         (translate_clast): Pass the newivs vector.
1794         (gloog): Create and destroy the newivs vector.
1795
1796 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1799         (graphite_loop_normal_form): Initialize loop->aux with the unique
1800         IV that has been created.
1801
1802 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1803
1804         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1805         scev with parameters in the base part. They where forbidden
1806         exidently.
1807
1808 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1809
1810         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1811         compile options by file names.
1812         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1813         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1814         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1815         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1816
1817 2009-05-08  Li Feng <nemokingdom@gmail.com>
1818
1819         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1820         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1821         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1822         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1823
1824 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1825
1826         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1827         by final cleanup.
1828
1829 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1830
1831         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1832         allow integer constant strides.
1833         (graphite_can_represent_expr): Depend on outermost_loop.
1834         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1835         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1836         build_scops_1): Same.
1837         (scopdet_basic_block_info): Same and insert layered SCoP
1838         detection.
1839         (try_generate_gimple_bb): Cleanup.
1840         (build_scops): Enable data references.
1841
1842         * testsuite/gcc.dg/graphite/id-5.c: New.
1843         * testsuite/gcc.dg/graphite/id-9.c: New.
1844         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1845         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1846
1847 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1848
1849         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1850         that we have not yet built for this SCoP.
1851
1852 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1853
1854         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1855         for complex numbers.
1856
1857 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1858
1859         * graphite-ppl.c: Fix build if cloog is not available.
1860
1861 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1862
1863         * tree-parloops.c (loop_parallel_p): Remove construction of
1864         NITER and REDUCTION_LIST.
1865         (try_get_loop_niter): New.
1866         (try_create_reduction_list): New.
1867         (parallelize_loops): Bypass the failed checkings in autopar
1868         when can_be_parallel in loop structure is set to true.
1869
1870 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1871
1872         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1873         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1874
1875 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1876
1877         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1878         Enable EQ_EXPR and NE_EXPR again.
1879
1880 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1881
1882         * graphite-scop-detection.c (graphite_can_represent_scev):
1883         Add check if scev is affine multivariate.
1884         (harmful_stmt_in_bb): Check if we can represent the conditions.
1885         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1886         harmful_stmt_in_bb.
1887         * testsuite/gcc.dg/graphite/id-7.c: New.
1888
1889 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1890
1891         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1892         Check all bbs in region, not only the bbs that are represented in
1893         GRAPHITE.
1894         (build_poly_scop): Add newline.
1895         * testsuite/gcc.dg/graphite/id-8.c: New.
1896
1897 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1898
1899         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1900         when loop initialize.
1901         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1902         * common.opt: Declare flag_graphite_force_parallel.
1903         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1904         loop parallel.
1905         * graphite-poly.c (apply_poly_transforms): Introduce
1906         flag_graphite_force_parallel.
1907         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1908         * toplev.c (process_options): ditto and replace a not correctly
1909         encoded space.
1910
1911 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1912
1913         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1914         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1915         to the redefinition.
1916         (compute_cloog_iv_types_1): ditto.
1917         (build_iv_mapping): ditto.
1918         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1919         initialization.
1920         (free_gimple_bb): Removed GBB_LOOPS related free part.
1921         (build_bb_loops): Removed.
1922         * sese.h (struct gimple_bb): Removed loops.
1923         (GBB_LOOPS): Removed.
1924         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1925         (gbb_loop_index): ditto.
1926
1927 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1928
1929         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1930         allow non constant strides.
1931         * testsuite/gcc.dg/graphite/scop-20.c: New.
1932
1933 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1934
1935         * graphite-scop-detection.c (dot_all_scops): Fix system call
1936         return value warning.
1937         (dot_scop): Same.
1938
1939 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1940
1941         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
1942         * testsuite/gcc.dg/graphite/scop-3.c: Same.
1943
1944 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
1947         build_pairwise_constraint, dr_equality_constraints,
1948         build_pairwise_scheduling_equality,
1949         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1950         build_lexicographically_gt_constraint, dependence_polyhedron,
1951         graphite_legal_transform_dr, graphite_legal_transform_bb,
1952         graphite_legal_transform): New.
1953         * graphite-poly.h (graphite_legal_transform): Declared.
1954         * graphite-sese-to-poly.c (build_poly_scop): Call to
1955         graphite_legal_transform is disabled for the moment.
1956
1957 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-poly.h (pbb_nb_scattering_dims): New.
1960         (pbb_nb_scattering): Use it.
1961
1962 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1963
1964         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
1965         Pointset_Powerset version of ppl_insert_dimensions.
1966         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
1967
1968 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1969
1970         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
1971
1972 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1973
1974         * graphite-poly.h: Fix comment.
1975
1976 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
1979
1980 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1981
1982         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
1983         statements.
1984
1985 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1986
1987         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
1988         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
1989         conditions.
1990
1991 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
1992
1993         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
1994         handle EQ_EXPR and NE_EXPR.
1995
1996 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1997
1998         * graphite-poly.h (poly_dr): Fix comment.
1999
2000 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2001             Tobias Grosser  <grosser@fim.uni-passau.de>
2002
2003         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2004         with a zero dimension polyhedron.
2005         (find_scop_parameters): Move the call to scop_set_nb_params here.
2006         (build_loop_iteration_domains): Store in loop->aux the iteration
2007         domain polyhedron.
2008         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2009         by any loop in scop.
2010         (build_poly_scop): Do not call scop_set_nb_params.
2011
2012 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2013             Tobias Grosser  <grosser@fim.uni-passau.de>
2014
2015         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2016         add_condition_to_domain not GT_EXPR.
2017
2018 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2019
2020         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2021         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2022         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2023         upper_bound_assign to calculate unions.
2024         * testsuite/gcc.dg/graphite/id-6.c: New.
2025
2026 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2027
2028         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2029         handle abnormal edges.
2030
2031 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2032
2033         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2034         (free_poly_bb): Also free poly_drs.
2035         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2036         (poly_dr): Polyhedron to Pointset_Powerset.
2037         (pdr_accessp_nb_subscripts): Same.
2038         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2039         poly_drs.
2040
2041 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2044         names into more meaningful names.
2045
2046 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2047
2048         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2049         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2050
2051 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2054         the reduction_list.
2055         * tree-parloops.c (rewrite_phi_with_iv): New.
2056         (rewrite_all_phi_nodes_with_iv): New.
2057         (canonicalize_loop_ivs): Call them.
2058
2059 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2062         graphite_find_data_references_in_stmt.
2063         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2064         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2065
2066 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2067
2068         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2069
2070 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2071
2072         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2073         instead of bb_in_region.
2074         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2075         (build_sese_conditions): Use flag_bb_in_sese.
2076         * sese.c (register_bb_in_sese): Removed.
2077         (new_sese): Remove initialization of SESE_REGION_BBS.
2078         (free_sese): Do not free SESE_REGION_BBS.
2079         * sese.h (struct sese): Remove field region_basic_blocks.
2080         (SESE_REGION_BBS): Removed.
2081         (bb_in_sese_p): Implement in function of bb_in_region.
2082
2083 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2084
2085         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2086         loops.
2087
2088 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2089
2090         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2091         and EQ_EXPR.
2092         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2093         (add_condition_to_domain): New.
2094         (add_condition_to_pbb): New.
2095         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2096         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2097
2098 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2099
2100         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2101         ppl_Pointset_Powerset.
2102         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2103         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2104         (pbb_nb_loops): Same.
2105         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2106         add_conditions_to_domain): Same.
2107         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2108         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2109         ppl_const_Polyhedron_t.
2110         (ppl_print_powerset_matrix): New.
2111         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2112         ppl_print_powerset_matrix): New.
2113         (ppl_print_polyhedron_matrix): Updated.
2114
2115 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2116
2117         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2118
2119 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2122         (print_iteration_domains, debug_iteration_domain,
2123         debug_iteration_domains): New.
2124         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2125         debug_iteration_domains): Declared.
2126         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2127         indenting.
2128
2129 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2130             Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * graphite-poly.h (print_iteration_domain): New.
2133         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2134         (build_sese_conditions_1, build_sese_conditions_after,
2135         build_sese_conditions_before): New.
2136         (build_sese_conditions): Rewritten.
2137
2138 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2139             Tobias Grosser  <grosser@fim.uni-passau.de>
2140
2141         Cleanup of code generation liveouts.
2142         * graphite-clast-to-gimple.c (translate_clast): Use a single
2143         rename_map instead of one per translated statement.
2144         Do not use SESE_LIVEOUT_RENAMES.
2145         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2146         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2147         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2148         phi node of a reduction: when a loop contains a reduction used outside
2149         the loop, there should be a scalar close phi node on the exit block.
2150         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2151         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2152         (free_sese): Do not free them.
2153         (sese_build_liveouts_use): Do not use them.
2154         (sese_build_liveouts_bb): Same.
2155         (sese_build_liveouts): Same.
2156         (sese_insert_phis_for_liveouts): Same.
2157         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2158         (defined_in_loop_p): New.
2159         (alive_after_loop): New.
2160         (close_phi_not_yet_inserted_p): New.
2161         (struct alep, alep_p): New.
2162         (add_loop_exit_phis): Remove from the rename_map all the names defined
2163         in the code generated loop.
2164         (insert_loop_close_phis): Traverse the rename_map passed to it.
2165         Don't use SESE_LIVEOUT_RENAMES.
2166         (default_liveout_before_guard): Renamed default_before_guard.
2167         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2168         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2169         (register_sese_liveout_renames): Removed.
2170         (copy_bb_and_scalar_dependences): Do not call it.
2171         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2172         reduction_list.
2173         (SESE_LIVEOUT): Removed.
2174         (SESE_LIVEOUT_RENAMES): Removed.
2175         (SESE_REDUCTION_LIST): Removed.
2176         (sese_build_liveouts): Removed.
2177         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2178         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2179         (insert_guard_phis): Same.
2180         (rename_map_elt): Declare a VEC of them.
2181         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2182         trees not pointers to trees.
2183
2184         Rewrite in canonical close SSA form:
2185         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2186         (limit_scops): Close the scop after the block containing the close phi
2187         nodes.
2188         (canonicalize_loop_closed_ssa): New.
2189         (canonicalize_loop_closed_ssa_form): New.
2190         (build_scops): Call canonicalize_loop_closed_ssa_form.
2191
2192         * graphite-sese-to-poly.c: Fix typos.
2193
2194 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2195
2196         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2197         Extended.
2198         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2199         (print_pbb): Add conditions.
2200
2201 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2202             Sebastian Pop  <sebastian.pop@amd.com>
2203
2204         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2205         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2206         (build_scop_bbs_1): New.
2207         (build_scop_bbs): Rewrite.
2208         * sese.h (bb_in_region): New.
2209
2210 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2211
2212         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2213         poly_drs vector.
2214         (print_scop): Style.
2215         * graphite-poly.h (poly_bb): Add drs vector.
2216         (PBB_DRS): Add accessor.
2217         * graphite-sese-to-poly.c (build_poly_dr): New.
2218         (build_pbb_drs, build_scop_drs): New.
2219         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2220
2221 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2222
2223         * tree-ssa-loop.c: Include forgotten toplev.h
2224
2225 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2226
2227         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2228         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2229         * testsuite/gcc.dg/graphite/pr37928.c: Same
2230         * testsuite/gcc.dg/graphite/pr38409.c: Same
2231         * testsuite/gcc.dg/graphite/pr38498.c: Same
2232         * testsuite/gcc.dg/graphite/pr38559.c: Same
2233         * testsuite/gcc.dg/graphite/pr39335.c: Same
2234         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2235         * testsuite/gfortran.dg/graphite/block-2.f: Same
2236         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2237         with -floop-*.
2238
2239 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2240
2241         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2242         build_access_matrix, build_scop_data_accesses): Remove access function
2243         building. (We get a new version soon).
2244         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2245         * sese.h (nb_loops_around_loop_in_sese): Remove.
2246         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2247
2248 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2249             Sebastian Pop  <sebastian.pop@amd.com>
2250
2251         * graphite-scop-detection.c (struct scopdet_info): Rename last
2252         field to exit.
2253         (scopdet_basic_block_info, build_scops_1): Don't use
2254         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2255
2256 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2257             Sebastian Pop  <sebastian.pop@amd.com>
2258
2259         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2260         * sese.c (sese_build_liveouts_use): Renamed from
2261         sese_build_livein_liveouts_use. Remove liveins.
2262         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2263         Call sese_build_liveouts_use.
2264         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2265         Call sese_build_liveouts_bb.
2266         (new_sese, free_sese): Remove liveins.
2267         (sese_add_exit_phis_var): Deleted.
2268         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2269         directly.
2270         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2271
2272         * sese.h (sese): Remove num_ver and livein.
2273         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2274
2275 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2276
2277         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2278
2279 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2280
2281         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2282         (build_scop_scattering): Do not use compare_prefix_loops any more.
2283         (nb_common_loops): New.
2284
2285 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2288         (register_old_and_new_names): Renamed set_rename.
2289
2290 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2291
2292         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2293         of the decl from the previous commit.
2294
2295 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         * graphite-scop-detection.c (dot_scop): New.
2298         * graphite-scop-detection.h (dot_scop): Declared.
2299
2300 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2301
2302         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2303
2304 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2305
2306         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2307         condition at the end of the loop.
2308         * graphite.c (graphite_initialize, graphite_finalize): Print to
2309         dump_file the compiled function.
2310         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2311         of create_empty_loop_on_edge.
2312         (translate_clast): Update the code generation of loops for the new
2313         shape of loops.
2314         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2315
2316 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         Reverted the patch from 2009-03-19.
2319
2320 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2321
2322         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2323         poly_drs vector.
2324         (print_scop): Style.
2325         * graphite-poly.h (poly_bb): Add drs vector.
2326         (PBB_DRS): Add accessor.
2327         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2328         (build_access_matrix_with_af, build_access_matrix,
2329         build_scop_data_accesses): Delete.
2330         (build_poly_dr): New.
2331         (build_pbb_drs, build_scop_drs): New.
2332         (build_poly_scop): call build_scop_drs.
2333
2334 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2335
2336         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2337         once per basic block.
2338
2339 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2340
2341         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2342         (graphite_can_represent_expr): Renamed from loop_affine_expr
2343         and enhanced.
2344         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2345         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2346         (scopdet_basic_block_info): Actually define entry_block.
2347         (stmt_simple_memref_p): Moved here from ...
2348
2349         * tree-data-ref.c (stmt_simple_memref_p): here.
2350         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2351
2352 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2353
2354         * testsuite/gcc.dg/graphite/id-4.c: New.
2355
2356 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2357
2358         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2359         (register_old_and_new_names): Update the content of the map.
2360         When there was already a rename_map_elt in the map at that
2361         location, free it.
2362         (copy_bb_and_scalar_dependences): Do rename_variables after
2363         expand_scalar_variables.
2364         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2365         of the map.  When there was already a rename_map_elt in the
2366         map at that location, free it.
2367         (translate_clast): Pass the rename_map.  Do not initialize and free
2368         a rename_map per stmt_user.
2369         (gloog): Initialize and free one rename_map and pass it to
2370         translate_clast.
2371
2372 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * sese.c (expand_scalar_variables_stmt,
2375         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2376         parameter.
2377         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2378         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2379         the gimple_stmt_iterator of the statement to be expanded.
2380         * graphite-scop-detection.c (is_simple_operand): Do handle
2381         REALPART_EXPR.
2382
2383 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2384
2385         * graphite-scop-detection.c (is_simple_operand): Do not handle
2386         REALPART_EXPR.
2387         * testsuite/gcc.dg/graphite/id-2.c: New.
2388
2389         * graphite-sese-to-poly.c (build_bb_loops,
2390         add_value_to_dim, scan_tree_for_params_right_scev,
2391         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2392         find_params_in_bb, build_loop_iteration_domains,
2393         add_conditions_to_domain): Remove subtract.
2394
2395 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2396
2397         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2398         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2399         pbb_loop_at_index -> gbb_loop_at_index.
2400         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2401         (debug_loop_vec): Delete.
2402         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2403         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2404         (PBB_LOOPS): Removed.
2405         (PBB_BLACK_BOX): Insert cast.
2406         (pbb_set_black_box): New setter.
2407         (pbb_loop_at_index, pbb_loop_index): Removed.
2408         (scop_set_region, scop_set_nb_params): New.
2409         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2410         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2411         (build_poly_scop): Use scop_set_nb_params.
2412         * sese.h (gimple_bb): Add LOOPS.
2413         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2414
2415 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2416
2417         Revert previous commit.
2418
2419 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2420
2421         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2422         (register_old_and_new_names): Update the content of the map.
2423         When there was already a rename_map_elt in the map at that
2424         location, free it.
2425         (copy_bb_and_scalar_dependences): Do rename_variables after
2426         expand_scalar_variables.
2427         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2428         of the map.  When there was already a rename_map_elt in the
2429         map at that location, free it.
2430         (translate_clast): Pass the rename_map.  Do not initialize and free
2431         a rename_map per stmt_user.
2432         (gloog): Initialize and free one rename_map and pass it to
2433         translate_clast.
2434
2435 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2436
2437         Remove forgotten line in revert.
2438
2439 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         Revert previous commit.
2442
2443 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * sese.c (register_old_and_new_names): Update the content
2446         of the map.  When there was already a rename_map_elt in the
2447         map at that location, free it.
2448         (copy_bb_and_scalar_dependences): Do rename_variables after
2449         expand_scalar_variables.
2450         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2451         of the map.  When there was already a rename_map_elt in the
2452         map at that location, free it.
2453         (translate_clast): Pass the rename_map.  Do not initialize and free
2454         a rename_map per stmt_user.
2455         (gloog): Initialize and free one rename_map and pass it to
2456         translate_clast.
2457
2458 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2459
2460         * graphite-clast-to-gimple.c (translate_clast): context_loop
2461         is never NULL.
2462
2463 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2464             Sebastian Pop  <sebastian.pop@amd.com>
2465
2466         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2467         of the use of ppl_Polyhedron_map_space_dimensions.
2468
2469 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2470             Sebastian Pop  <sebastian.pop@amd.com>
2471
2472         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2473         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2474         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2475         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2476         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2477         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2478         pbb_nb_params): New.
2479         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2480         nb_loops_around_pbb): Adapt return types.
2481
2482 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2483
2484         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2485         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2486         graphite-scop-detection.o, graphite-poly.o): Add
2487         more headers.
2488
2489 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2490
2491         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2492         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2493         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2494
2495 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2496
2497         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2498         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2499         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2500         * testsuite/gcc.dg/graphite/block-0.c: Same.
2501         * testsuite/gcc.dg/graphite/block-1.c: Same.
2502         * testsuite/gcc.dg/graphite/block-2.c: Same.
2503         * testsuite/gcc.dg/graphite/block-3.c: Same.
2504         * testsuite/gcc.dg/graphite/block-4.c: Same.
2505         * testsuite/gcc.dg/graphite/block-5.c: Same.
2506         * testsuite/gcc.dg/graphite/block-6.c: Same.
2507         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2508         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2509         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2510         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2511         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2512         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2513         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2514         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2515         * opts.c: Remove -floop-block from -O2.
2516         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2517         -floop-strip-mine are used.
2518
2519 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2520             Sebastian Pop  <sebastian.pop@amd.com>
2521
2522         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2523         dimensions.
2524         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2525         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2526         strip_mine_profitable_p, is_interchange_valid,
2527         graphite_trans_bb_block, graphite_trans_loop_block,
2528         graphite_trans_scop_block): Temporary removed.
2529         (extend_scattering, unify_scattering_dimensions): New.
2530         (print_scattering_function, graphite_read_transforms):
2531         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2532         (graphite_generate_scattering_fns): Removed.
2533         (apply_poly_transforms): Cleanup.
2534         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2535         (schedule_to_scattering): Moved.
2536         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2537         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2538         (pbb_nb_scattering): New.
2539         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2540         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2541         Removed.
2542         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2543         shift_poly.
2544         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2545         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2546         -> PBB_TRANSFORMED_SCATTERING.
2547         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2548         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2549         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2550         (check_poly_representation): Do not return bool.
2551         (graphite_transform_loops): Reformat.
2552         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2553
2554 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2555
2556         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2557         debug_pbb_domain, debug_pbb, debug_scop): New.
2558         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2559         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2560
2561 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         PR middle-end/39335
2564         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2565         when the type precision of the induction variable should be
2566         larger than the type precision of nit.
2567         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2568         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2569         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2570
2571         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2572         * testsuite/gcc.dg/graphite/pr39335.c: New.
2573
2574 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2575
2576         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2577         SSA_NAMES not struct reduction_info.
2578
2579 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2580
2581         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2582
2583 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2584             Tobias Grosser  <grosser@fim.uni-passau.de>
2585
2586         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2587         (free_sese): Free SESE_REDUCTION_LIST.
2588         * sese.h (struct sese): Add field reduction_list.
2589         (SESE_REDUCTION_LIST): New.
2590         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2591         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2592
2593 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2594             Tobias Grosser  <grosser@fim.uni-passau.de>
2595
2596         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2597         of loop_p.
2598
2599 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2600             Tobias Grosser  <grosser@fim.uni-passau.de>
2601
2602         * tree-parloops.c (struct brli, build_reduction_list_info,
2603         analyze_reduction_list, gather_scalar_reductions): New.
2604         (loop_parallel_p): Build a reduction list containing only
2605         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2606         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2607         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2608         * tree-flow.h (gather_scalar_reductions): Declared.
2609
2610 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         PR middle-end/39308
2613         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2614         number_of_iterations_exit from a gcc_assert.
2615
2616 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2617             Jan Sjodin  <jan.sjodin@amd.com>
2618
2619         * output.h (graphite_out_file, graphite_in_file): Declared.
2620         * toplev.c (graphite_out_file, graphite_in_file): New.
2621         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2622         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2623         Don't call schedule_to_scattering.
2624         * common.opt (fgraphite-write, fgraphite-read): New.
2625         * graphite-poly.c: Include output.h.
2626         (print_scattering_function, print_scattering_functions,
2627         debug_scattering_function, debug_scattering_functions,
2628         graphite_write_transforms, graphite_read_transforms,
2629         graphite_generate_scattering_fns): New.
2630         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2631         Call graphite_generate_scattering_fns, graphite_write_transforms,
2632         graphite_read_transforms.
2633         (new_poly_bb): Initialize PBB_SCATTERING.
2634         (free_poly_bb): Free PBB_SCATTERING.
2635         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2636         * graphite-poly.h (struct poly_bb): Add field scattering.
2637         (PBB_SCATTERING): New.
2638         (print_scattering_function, print_scattering_functions,
2639         debug_scattering_function, debug_scattering_functions): Declared.
2640         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2641         GMP values, not integers!
2642         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2643         ppl_read_polyhedron_matrix): New.
2644         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2645         debug_ppl_polyhedron_matrix,
2646         ppl_read_polyhedron_matrix): Declared.
2647         * Makefile.in (graphite-poly.o): Depends on output.h.
2648
2649 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2650             Tobias Grosser  <grosser@fim.uni-passau.de>
2651
2652         Revert this change:
2653         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2654         scalar evolutions in the scop_entry->loop_father.
2655
2656 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2657             Tobias Grosser  <grosser@fim.uni-passau.de>
2658
2659         * graphite.h (ref_nb_loops): Remove declaration.
2660         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2661         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2662         debug_gbb): Moved to sese.h.
2663         * sese.h: As said.
2664
2665 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2666             Tobias Grosser  <grosser@fim.uni-passau.de>
2667
2668         * graphite-data-ref.[ch]: Disable.
2669
2670 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2671             Tobias Grosser  <grosser@fim.uni-passau.de>
2672
2673         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2674         scalar evolutions in the scop_entry->loop_father.
2675
2676 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2679         (graphite_cannot_represent_loop_niter): Renamed
2680         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2681         (limit_scops): build_sese_loop_nests does not return a bool.
2682         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2683         * sese.c (nb_reductions_in_loop): ... from here.
2684         (graphite_loop_normal_form): ... from here.
2685         (sese_record_loop): Does not fail, so does not return a bool.
2686         (build_sese_loop_nests): Same.
2687         * sese.h (build_sese_loop_nests): Update declaration.
2688         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2689         (build_graphite_loop_normal_form): New.
2690         (gloog): Call build_graphite_loop_normal_form.
2691         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2692         build_sese_loop_nests.
2693
2694         * testsuite/gcc.dg/graphite/id-1.c: New.
2695
2696 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2697             Tobias Grosser  <grosser@fim.uni-passau.de>
2698
2699         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2700         The SCoP detection fix is sufficient.
2701
2702 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         PR tree-optimization/39260
2705         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2706         the basic block contains a condition with a real type.
2707         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2708
2709         * gcc.dg/graphite/pr39260.c: New.
2710
2711 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * graphite-poly.c: Inlcude params.h.
2714         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2715         the size of a tile.
2716         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2717         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2718
2719 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2720             Tobias Grosser  <grosser@fim.uni-passau.de>
2721
2722         * graphite-scop-detection.c (dot_all_scops_1,
2723         dot_all_scops): Moved here.
2724         * graphite-scop-detection.h (dot_all_scops): Declared here.
2725         * graphite.c (graphite_initialize, graphite_finalize): New.
2726         (graphite_transform_loops): Cleaned up.
2727         * sese.c (debug_oldivs): Moved here.
2728         * graphite-poly.c (graphite_apply_transformations): Renamed
2729         apply_poly_transforms.
2730         (debug_loop_vec): Moved here.
2731         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2732         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2733         find_scop_parameters, build_scop_iteration_domain,
2734         add_conditions_to_constraints, build_scop_canonical_schedules,
2735         build_scop_data_accesses): Now static.
2736         (build_poly_scop, check_poly_representation): New.
2737
2738 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2741         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2742         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2743         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2744         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2745         scan_tree_for_params, struct irp_data, dx_record_params,
2746         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2747         build_loop_iteration_domains, add_conditions_to_domain,
2748         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2749         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2750         build_sese_conditions, add_conditions_to_constraints,
2751         build_scop_iteration_domain, build_access_matrix_with_af,
2752         build_access_matrix,
2753         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2754
2755         * graphite-sese-to-poly.c: New.
2756         * graphite-sese-to-poly.h: New.
2757
2758         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2759
2760 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2761
2762         * graphite.c: Split graphite code generation to a new file.
2763         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2764         max_precision_type, clast_to_gcc_expression_red,
2765         clast_to_gcc_expression, gcc_type_for_clast_expr,
2766         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2767         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2768         graphite_create_new_guard, clast_get_body_of_loop,
2769         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2770         graphite_create_new_loop, build_iv_mapping, copy_renames,
2771         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2772         compute_cloog_iv_types, free_scattering, save_var_name,
2773         initialize_cloog_names, build_scop_context, build_cloog_prog,
2774         set_cloog_options, debug_clast_stmt, scop_to_clast,
2775         print_generated_program, debug_generated_program,
2776         gloog): Moved to graphite-clast-to-gimple.c.
2777
2778         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2779
2780         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2781         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2782         loop_iv_stack_pop, loop_iv_stack_get_iv,
2783         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2784         free_loop_iv_stack, loop_iv_stack_remove_constants,
2785         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2786         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2787         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2788         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2789         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2790         get_vdef_before_sese, sese_adjust_vphi,
2791         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2792         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2793         is_iv, expand_scalar_variables_ssa_name,
2794         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2795         expand_scalar_variables, rename_variables, remove_condition,
2796         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2797         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2798         default_liveout_before_guard, add_guard_exit_phis,
2799         insert_guard_phis, register_old_and_new_names,
2800         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2801         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2802         if_region_set_false_region, create_if_region_on_edge,
2803         move_sese_in_condition): Moved to sese.c.
2804
2805         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2806         if_region_exit, if_region_get_condition_block,
2807         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2808         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2809         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2810         ivtype_map_elt, new_ivtype_map_elt,
2811         recompute_all_dominators): Moved to sese.h.
2812
2813         * graphite-clast-to-gimple.c: New.
2814         * graphite-clast-to-gimple.h: New.
2815         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2816         * sese.c: Modified as said above.
2817         * sese.h: Same.
2818
2819 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         * graphite.c: Split scop detection to a new file.
2822         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2823         move_sd_regions, loop_affine_expr, exclude_component_ref,
2824         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2825         graphite_cannot_represent_loop_niter, struct scopdet_info,
2826         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2827         find_single_entry_edge, find_single_exit_edge,
2828         create_single_entry_edge, sd_region_without_exit,
2829         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2830         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2831         Moved to graphite-scop-detection.c.
2832
2833         * graphite-scop-detection.c: New.
2834         * graphite-scop-detection.h: New.
2835         * Makefile.in: Add new rule for graphite-scop-detection.o.
2836
2837         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2838         tree-scalar-evolution.h.
2839         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2840         build_sese_loop_nests): Moved here from graphite.c.
2841         (param_index): Renamed parameter_index_in_region.
2842
2843 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2844             Sebastian Pop  <sebastian.pop@amd.com>
2845
2846         * gcc.dg/graphite/block-0.c: Expected to fail now.
2847         * gcc.dg/graphite/block-1.c: Same.
2848         * gcc.dg/graphite/block-5.c: Same.
2849         * gcc.dg/graphite/block-6.c: Same.
2850
2851 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2852             Sebastian Pop  <sebastian.pop@amd.com>
2853
2854         * graphite.h: Separate from graphite_bb_p the polyhedral
2855         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2856         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2857         graphite-data-ref.h.
2858         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2859         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2860         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2861         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2862         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2863         scop_nb_params): Moved to graphite-poly.h.
2864         * graphite-data-ref.c: Same.
2865         * graphite-data-ref.h: New.
2866         * graphite.c: Same.
2867         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2868         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2869         is_interchange_valid, graphite_trans_bb_block,
2870         graphite_trans_loop_block, scop_max_loop_depth,
2871         graphite_trans_scop_block, graphite_apply_transformations,
2872         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2873         graphite-poly.c.
2874         * graphite-poly.h: New.
2875         * graphite-poly.c: New.
2876         * Makefile.in (OBJS-common): Add graphite-poly.o.
2877         (graphite-poly.o): New rule.
2878         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2879         (DR_SCOP): Removed.
2880
2881 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2882             Tobias Grosser  <grosser@fim.uni-passau.de>
2883
2884         * graphite.c: Replace gb -> gbb.
2885         * graphite.h: Same.
2886         * graphite-data-ref.c: Same.
2887
2888 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2889             Tobias Grosser  <grosser@fim.uni-passau.de>
2890
2891         * Makefile.in (OBJS-commmon): Add sese.o.
2892         (sese.o): New.
2893         (graphite.o): Add sese.h.
2894         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2895         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2896         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2897         Move to sese.
2898         (block_before_scop): Add missing return.
2899         (new_scop, free_scop): Remove SESE data structures.
2900         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2901         find_scop_parameters, build_loop_iteration_domains,
2902         add_conditions_to_domain, register_scop_liveout_renames,
2903         copy_bb_and_scalar_dependences): Scop -> SESE.
2904
2905         (add_conditions_to_domain): SCoP -> SESE and remove check
2906         (scop_contains_non_iv_scalar_phi_nodes): New.
2907         (build_scop_conditions_1, build_scop_conditions): Remove check for
2908         non iv scalar phi nodes.
2909         (print_scop_statistics): New.
2910         (graphite_transform_loops): Cleanup.
2911
2912         * graphite.h: Move to sese & cleanup.
2913         * sese.c: New.
2914         * sese.h: New.
2915
2916 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2917             Tobias Grosser  <grosser@fim.uni-passau.de>
2918
2919         * graphite.c (build_scop_conditions_1): Conditions are only
2920         at the end of a basic block.
2921
2922 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2923             Tobias Grosser  <grosser@fim.uni-passau>
2924
2925         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2926         field.
2927         (GBB_ALPHA): Removed.
2928
2929 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2930             Tobias Grosser  <grosser@fim.uni-passau.de>
2931
2932         * graphite-data-ref.c (graphite_test_dependence): Don't use
2933         GBB_DYNAMIC_SCHEDULE.
2934         * graphite.c (new_graphite_bb): Same.
2935         (free_graphite_bb): Same.
2936         (build_scop_dynamic_schedules): Removed.
2937         (graphite_transform_loops): Don't call it.
2938         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2939         (GBB_DYNAMIC_SCHEDULE): Removed.
2940
2941 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2942             Tobias Grosser  <grosser@fim.uni-passau.de>
2943
2944         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
2945         (print_graphite_bb): Same.
2946         (build_cloog_prog): Same.
2947
2948 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2949             Tobias Grosser  <grosser@fim.uni-passau.de>
2950
2951         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
2952
2953 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2954             Tobias Grosser  <grosser@fim.uni-passau.de>
2955
2956         * graphite.c (build_scop_context): Don't use CloogMatrix.
2957         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
2958         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
2959
2960 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2961             Tobias Grosser  <grosser@fim.uni-passau.de>
2962
2963         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
2964         liveout_renames, add_params fields...
2965         (struct sese): ... here.
2966         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
2967         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
2968
2969 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2970             Tobias Grosser  <grosser@fim.uni-passau.de>
2971
2972         * graphite.c (print_scop): Do not print the CLooG program.
2973         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
2974         build_cloog_prog, gloog): Don't use SCOP_PROG.
2975         (find_transform): Renamed scop_to_clast.
2976         (print_generated_program, debug_generated_program): New.
2977         (graphite_transform_loops): Adapt to new interface.
2978         * graphite.h (struct scop): Remove program field.
2979         (SCOP_PROG): Removed.
2980         (print_generated_program, debug_generated_program): Declared.
2981
2982 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2983
2984         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
2985         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
2986         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
2987         free_graphite_bb, build_scop_canonical_schedules,
2988         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
2989         schedules are now represented using a ppl_Linear_Expression_t.
2990         * graphite.h (struct graphite_bb): Same.
2991         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
2992         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
2993
2994 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * graphite.c: Free local memory.
2997         * graphite-ppl.c: Same.
2998
2999 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3002         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3003         swap_constraint_variables, scale_constraint_variable): Removed.
3004         (graphite_trans_bb_strip_mine): Remove pong.
3005         * graphite-ppl.c: Include missing header files.
3006         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3007         * graphite-ppl.h (ppl_strip_loop): Declared.
3008         * Makefile.in (graphite-ppl.o): Adjust dependences.
3009
3010 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3011
3012         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3013         (build_scop_iteration_domain): Same.
3014
3015 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3018         ping pong.
3019         (add_value_to_dim, scan_tree_for_params_right_scev,
3020         scan_tree_for_params_int): New.
3021         * graphite-ppl.c (oppose_constraint): New.
3022         (insert_constraint_into_matrix): Implement missing cases.
3023         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3024
3025 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3028         use ppl_move_dimension.
3029
3030 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3033         * graphite.c: Same.
3034         * graphite.h: Same.
3035         * graphite-ppl.c: Same.
3036         * graphite-ppl.h: Same.
3037
3038 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3039
3040         Revert last 3 commits.
3041
3042 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3045         ping pong.
3046         (add_value_to_dim, scan_tree_for_params_right_scev,
3047         scan_tree_for_params_int): New.
3048         * graphite-ppl.c (oppose_constraint): New.
3049         (insert_constraint_into_matrix): Implement missing cases.
3050         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3051
3052 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3053
3054         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3055
3056 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3057             Tobias Grosser  <grosser@fim.uni-passau.de>
3058
3059         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3060         use ppl_move_dimension.
3061         * graphite-ppl.c (ppl_move_dimension): New.
3062         * graphite-ppl.h (ppl_move_dimension): Declared.
3063
3064 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite.c: Do not include cloog/cloog.h.
3067         (print_graphite_bb): Remove ping pong, call PPL print function.
3068
3069 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3070
3071         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3072         (graphite.o): Add dependence on graphite-ppl.h.
3073         (graphite-ppl.o): New.
3074         (graphite-data-ref.c): Ping pong between PPL data structures
3075         and matrices.
3076         * graphite-ppl.c: New.
3077         * graphite-ppl.h: New.
3078         * graphite.c: Include graphite-ppl.h.
3079         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3080         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3081         Ping pong between PPL data structures and matrices.
3082         (new_graphite_bb): Create a PPL constraint system.
3083         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3084         (build_loop_iteration_domains): Use PPL functions.
3085         * graphite.h: Include graphite-ppl.h.  Fix comments.
3086         (graphite_bb): Use a ppl_Constraint_System_t instead of
3087         CloogMatrix for representing the domain.
3088         (scop): Remove static_schedule.
3089         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3090
3091 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3092
3093         * graphite.c: Fix some comments.
3094
3095 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3096
3097         PR middle-end/38953
3098         * graphite.c (if_region_set_false_region): After moving a region
3099         in the false branch of a condition, remove the empty dummy
3100         basic block.
3101         (gloog): Remove wrong fix for PR38953.
3102
3103 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3104
3105         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3106         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3107         register_bb_in_sese, new_sese, free_sese): Moved.
3108         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3109         outermost_loop_in_scop, build_scop_iteration_domain,
3110         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3111         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3112         Use loop_in_sese_p instead of loop_in_scop_p.
3113         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3114         (free_scop): Do not free SCOP_BBS_B.
3115         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3116         ref_nb_loops): Moved here...
3117         * graphite.h (ref_nb_loops): ... from here.
3118         (struct scop): Remove bbs_b bitmap.
3119         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3120         * testsuite/gcc.dg/graphite/scop-19.c: New
3121
3122 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3123
3124         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3125         detection.
3126
3127 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3128
3129         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3130         eq_loop_to_cloog_loop): Remove.
3131         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3132         * graphite.h (struct scop): Remove loop2cloog_loop.
3133         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3134
3135 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3136
3137         * opts.c (decode_options): Only add graphite options to O2
3138         if we compile with graphite enabled.
3139
3140 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         * Merge from mainline (r143163:143684).
3143
3144 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * graphite.c (debug_value): Removed.
3147         * graphite.h (debug_value): Removed.
3148
3149 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3152         after graphite: pass_copy_prop does not maintain a proper loop closed
3153         SSA form.  pass_copy_prop should be fixed.
3154
3155 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3158
3159 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3160
3161         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3162         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3163         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3164         changed the CFG.
3165
3166 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite.c (gloog): Return true when code gen succeeded.
3169         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3170         the code of the function did not changed.  After cleanup_tree_cfg
3171         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3172         form.
3173
3174 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3175
3176         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3177         gimple_call_lhs is NULL.
3178
3179 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3180             Tobias Grosser  <tobi.grosser@amd.com>
3181
3182         * graphite.c (graphite_trans_scop_block): Do not block single
3183         nested loops.
3184
3185 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3186             Tobias Grosser  <tobi.grosser@amd.com>
3187
3188         * graphite.c (build_scop_canonical_schedules): Start schedules at
3189         zero.
3190
3191 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3192             Tobias Grosser  <tobi.grosser@amd.com>
3193
3194         * graphite.c (compare_prefix_loops): New.
3195         (build_scop_canonical_schedules): Rewritten.
3196         (graphite_transform_loops): Move build_scop_canonical_schedules
3197         after build_scop_iteration_domain.
3198
3199 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3200             Tobias Grosser  <tobi.grosser@amd.com>
3201
3202         * graphite.c (add_conditions_to_domain): Add the loops to
3203         the dimension of the iteration domain.  Do copy the domain
3204         only when it exists.
3205         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3206         (add_conditions_to_constraints): New.
3207         (can_generate_code_stmt, can_generate_code): Removed.
3208         (gloog): Do not call can_generate_code.
3209         (graphite_transform_loops): Call add_conditions_to_constraints
3210         after building the iteration domain.
3211
3212 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3213             Tobias Grosser  <tobi.grosser@amd.com>
3214             Jan Sjodin  <jan.sjodin@amd.com>
3215
3216         * graphite.c (scan_tree_for_params): On substractions negate
3217         all the coefficients of the term.
3218         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3219         of more than two operands.
3220         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3221         (get_vdef_before_scop): Handle also the case of default definitions.
3222
3223 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3224
3225         PR middle-end/38431
3226         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3227         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3228         (gloog): Do not call cleanup_tree_cfg.
3229         (graphite_transform_loops): Call cleanup_tree_cfg after all
3230         scops have been code generated.
3231
3232 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3233
3234         * passes.c (init_optimization_passes): Schedule after
3235         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3236
3237 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3238
3239         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3240         Fix comment.
3241         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3242         Set the type of an expression to the type of its assign statement.
3243         (expand_scalar_variables_expr):  Do not pass loop_p.
3244         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3245         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3246         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3247
3248 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3249
3250         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3251         an expression to the gimple_expr_type of its assign statement.
3252         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3253         or tcc_declaration.
3254
3255 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3256
3257         PR tree-optimization/38786
3258         * testsuite/gcc.dg/graphite/pr38786.c: New.
3259         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3260         the SSA_NAME case of expand_scalar_variables_expr.
3261         (expand_scalar_variables_expr): Also gather the scalar computation
3262         used to index the memory access.
3263         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3264         the gimple_stmt_iterator where it inserts new code.
3265
3266 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3267
3268         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3269
3270 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * opts.c (decode_options): Enable flag_graphite_identity and
3273         flag_loop_block in -O2 and above.
3274
3275 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3278         Fix merge problem: replace with the file from trunk.
3279
3280 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         * Merge from mainline (r141727:143163).
3283
3284 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3285             Jan Sjodin  <jan.sjodin@amd.com>
3286
3287         PR tree-optimization/38559
3288         * testsuite/gcc.dg/graphite/pr38559.c: New.
3289
3290         * graphite.c (debug_value, copy_constraint,
3291         swap_constraint_variables, scale_constraint_variable, ): New.
3292         (get_lower_bound, get_upper_bound): Removed.
3293         (graphite_trans_bb_strip_mine): Clean up this code that works
3294         only for constant number of iterations.  Fully copy upper and
3295         lower bound constraints, not only the constant part of them.
3296         * graphite.h (debug_value): Declared.
3297
3298 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3299
3300         PR tree-optimization/38492
3301         PR tree-optimization/38498
3302         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3303         * tree-chrec.h (scev_is_linear_expression): Declared.
3304         * graphite.c (graphite_cannot_represent_loop_niter): New.
3305         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3306         (graphite_loop_normal_form): Use gcc_assert.
3307         (scan_tree_for_params): Use CASE_CONVERT.
3308         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3309         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3310         Use gcc_assert.  Discard scops that contain unhandled cases.
3311         (build_scop_conditions): Return a boolean status for unhandled cases.
3312         (strip_mine_profitable_p): Print the loop number, not its depth.
3313         (is_interchange_valid): Pass the depth of the loop nest, don't
3314         recompute it wrongly.
3315         (graphite_trans_bb_block): Same.
3316         (graphite_trans_bb_block): Print tentative of loop blocking.
3317         (graphite_trans_scop_block): Do not print that the loop has been
3318         blocked.
3319         (graphite_transform_loops): Do not handle scops that contain condition
3320         scalar phi nodes.
3321
3322         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3323         in trunk.
3324         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3325         * testsuite/gcc.dg/graphite/block-1.c: Same.
3326         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3327         blocking.
3328         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3329         * testsuite/gcc.dg/graphite/block-3.c: New.
3330         * testsuite/gcc.dg/graphite/pr38498.c: New.
3331
3332 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3333
3334         PR tree-optimization/38510
3335         * gcc.dg/graphite/pr38510.c: New.
3336         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3337           (translate_clast): Call recompute_all_dominators before
3338           graphite_verify.
3339           (gloog): Call recompute_all_dominators before graphite_verify.
3340
3341 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         PR tree-optimization/38492
3344         * graphite.c (rename_map_elt, debug_rename_elt,
3345         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3346         rename_map_elt_info, eq_rename_map_elts,
3347         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3348         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3349         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3350         (sese_build_livein_liveouts): New.
3351         (new_sese, free_sese): New.
3352         (new_scop): Call new_sese.
3353         (free_scop): Call free_sese.
3354         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3355         (register_old_new_names): Renamed register_old_and_new_names.
3356         (register_scop_liveout_renames, add_loop_exit_phis,
3357         insert_loop_close_phis, struct igp,
3358         default_liveout_before_guard, add_guard_exit_phis,
3359         insert_guard_phis, copy_renames): New.
3360         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3361         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3362         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3363         (scop_adjust_phis_for_liveouts): New.
3364         (gloog): Call scop_adjust_phis_for_liveouts.
3365
3366         * graphite.h (struct sese): Documented.  Added fields liveout,
3367         num_ver and livein.
3368         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3369         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3370         (struct scop): Added field liveout_renames.
3371         (SCOP_LIVEOUT_RENAMES): New.
3372
3373 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         PR tree-optimization/38409
3376         * gcc.dg/graphite/pr38409.c: New.
3377         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3378
3379 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3380
3381         * graphite.c (gcc_type_for_cloog_iv): By default return
3382         integer_type_node.
3383         (graphite_create_new_loop): Don't fold_convert the already
3384         fold_convert-ed expression.
3385
3386 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3387
3388         PR tree-optimization/38446
3389         * gcc.dg/graphite/pr38446.c: New.
3390         * graphite.c (register_bb_in_sese): New.
3391         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3392         looking at the bbs in the region.
3393         * graphite.h (sese): Add region_basic_blocks pointer set to
3394         structure and initialize at the time of defining new scop.
3395
3396 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3397
3398         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3399         (find_params_in_bb): Do not free data refs.
3400         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3401
3402 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3403
3404         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3405         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3406         * testsuite/gcc.dg/graphite/block-5.c: New.
3407         * testsuite/gcc.dg/graphite/block-6.c: New.
3408         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3409         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3410         * testsuite/gcc.dg/graphite/block-2.c: Same.
3411
3412         * graphite.c (struct ivtype_map_elt): New.
3413         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3414         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3415         gcc_type_for_cloog_iv): New.
3416         (loop_iv_stack_patch_for_consts): Use the type of the induction
3417         variable from the original loop, except for the automatically
3418         generated loops, i.e., in the case of a strip-mined loop, in
3419         which case there is no original loop: in that case just use
3420         integer_type_node.
3421         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3422         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3423         (clast_name_to_gcc): Accept params to be NULL.
3424         (clast_to_gcc_expression): Take an extra parameter for the type.
3425         Convert to that type all the expressions built by this function.
3426         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3427         (graphite_translate_clast_equation): Compute the type of the
3428         clast_equation before translating its LHS and RHS.
3429         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3430         (graphite_create_new_loop): Compute the type of the induction
3431         variable before translating the lower and upper bounds and before
3432         creating the induction variable.
3433         (rename_variables_from_edge, rename_phis_end_scop): New.
3434         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3435         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3436         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3437         compute_cloog_iv_types): New.
3438         (gloog): Call compute_cloog_iv_types before starting the
3439         translation of the clast.
3440
3441         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3442         (GBB_CLOOG_IV_TYPES): New.
3443         (debug_ivtype_map): Declared.
3444         (oldiv_for_loop): New.
3445
3446 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3447
3448         PR middle-end/38459
3449         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3450         (param_index): Assert if parameter is not know after parameter
3451         detection.
3452         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3453         (find_scop_parameters): Mark, that we have finished parameter
3454         detection.
3455         (graphite_transform_loops): Move condition detection before parameter
3456         detection.
3457         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3458         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3459
3460 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3461
3462         * graphite.c (graphite_transform_loops): Always call find_transform ()
3463         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3464         generate code.
3465
3466 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3467
3468         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3469         (print_scop): Ditto.
3470
3471 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3472
3473         PR middle-end/38084
3474         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3475         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3476         regions more than once.
3477
3478 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3479
3480         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3481         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3482         when not needed.
3483
3484 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3485
3486         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3487         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3488         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3489         (max_precision_type): New.
3490         (value_clast): Removed.
3491         (clast_to_gcc_expression): Be more careful to types of expressions.
3492         Use max_precision_type and update use of gmp_cst_to_tree.
3493         (graphite_translate_clast_equation): Use max_precision_type.
3494         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3495         use the type of the condition.
3496         (graphite_create_new_loop): Do not use integer_type_node, use the
3497         max_precision_type of lb and ub.
3498
3499 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3500
3501         * graphite.c (build_scops_1): Initialize open_scop.exit
3502         and sinfo.last.
3503
3504 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3505
3506         * testsuite/gcc.dg/graphite/pr38084.c: New.
3507         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3508         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3509         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3510         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3511         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3512
3513 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3514             Jan Sjodin  <jan.sjodin@amd.com>
3515             Harsha Jagasia  <harsha.jagasia@amd.com>
3516
3517         PR middle-end/37852
3518         PR middle-end/37883
3519         PR middle-end/37928
3520         PR middle-end/37980
3521         PR middle-end/38038
3522         PR middle-end/38039
3523         PR middle-end/38073
3524         PR middle-end/38083
3525         PR middle-end/38125
3526
3527         * testsuite/gcc.dg/graphite/pr38073.c: New.
3528         * testsuite/gcc.dg/graphite/pr37928.c: New.
3529         * testsuite/gcc.dg/graphite/pr37883.c: New.
3530         * testsuite/gcc.dg/graphite/pr38125.c: New.
3531         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3532         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3533         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3534
3535         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3536         the number of detected scops.  Copy exact same test for loop
3537         blocking...
3538         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3539         loops to be blocked as reductions are not handled.
3540         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3541
3542         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3543         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3544         ...here.
3545         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3546         * Makefile.in (graphite.o): Depend on value-prof.h.
3547         (graphite.o-warn): Removed -Wno-error.
3548         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3549         to be a NULL pointer.  Call update_stmt.  Return the newly created
3550         cannonical induction variable.
3551
3552         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3553
3554         * graphite.c: Reimplement the code generation from graphite to gimple.
3555         Include value-prof.h.
3556         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3557         (get_old_iv_from_ssa_name): Removed.
3558         (graphite_stmt_p): New.
3559         (new_graphite_bb): Test for useful statements before building a
3560         graphite statement for the basic block.
3561         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3562         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3563         reason.
3564         (recompute_all_dominators, graphite_verify,
3565         nb_reductions_in_loop, graphite_loop_normal_form): New.
3566         (scop_record_loop): Call graphite_loop_normal_form.
3567         (build_scop_loop_nests): Iterate over all the blocks of the
3568         function instead of relying on the incomplete information from
3569         SCOP_BBS.  Return the success of the operation.
3570         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3571         (add_bb_domains): Removed.
3572         (build_loop_iteration_domains): Don't call add_bb_domains.
3573         Add the iteration domain only to the basic blocks that have been
3574         translated to graphite.
3575         (build_scop_conditions_1): Add constraints only if the basic
3576         block have been translated to graphite.
3577         (build_scop_data_accesses): Completely disabled until data
3578         dependence is correctly implemented.
3579         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3580         (remove_all_edges_1, remove_all_edges): Removed.
3581         (get_new_name_from_old_name): New.
3582         (graphite_rename_variables_in_stmt): Renamed
3583         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3584         Use replace_exp and update_stmt.
3585         (is_old_iv): Renamed is_iv.
3586         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3587         Use replace_exp and update_stmt.
3588         (expand_scalar_variables_expr): Same.  Use the map to get the
3589         new names for the renaming of induction variables and for the
3590         renaming of variables after a basic block has been copied.
3591         (expand_scalar_variables): Same.
3592         (graphite_rename_variables): Renamed rename_variables.
3593         (move_phi_nodes): Removed.
3594         (get_false_edge_from_guard_bb): New.
3595         (build_iv_mapping): Do not insert the induction variable of a
3596         loop in the renaming iv map if the basic block does not belong
3597         to that loop.
3598         (register_old_new_names, graphite_copy_stmts_from_block,
3599         copy_bb_and_scalar_dependences): New.
3600         (translate_clast): Heavily reimplemented: copy basic blocks,
3601         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3602         At each translation step call graphite_verify ensuring the
3603         consistency of the SSA, loops and dominators information.
3604         (collect_virtual_phis, find_vdef_for_var_in_bb,
3605         find_vdef_for_var_1, find_vdef_for_var,
3606         patch_phis_for_virtual_defs): Removed huge hack.
3607         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3608         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3609         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3610         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3611         if_region_get_condition_block, if_region_set_false_region,
3612         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3613         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3614         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3615         rewrite_into_sese_closed_ssa): New.
3616         (gloog): Remove dead code.  Early return if code cannot be
3617         generated.  Call cleanup_tree_cfg once the scop has been code
3618         generated.
3619         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3620         block loops with less than two loops.
3621         (graphite_apply_transformations): Remove the call to
3622         scop_remove_ignoreable_gbbs.
3623         (limit_scops): When build_scop_loop_nests fails, continue on
3624         the next scop.  Fix open_scop.entry.
3625         (graphite_transform_loops): Call recompute_all_dominators: force the
3626         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3627         Call initialize_original_copy_tables and free_original_copy_tables
3628         to be able to copy basic blocks during code generation.
3629         When build_scop_loop_nests fails, continue on next scop.
3630         (value_clast): New union.
3631         (clast_to_gcc_expression): Fix type cast warning.
3632
3633 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3634
3635         * Merge from mainline (r140838:141727).
3636
3637 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3638
3639         PR middle-end/37833
3640
3641         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3642
3643 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3644
3645         PR middle-end/37943
3646
3647         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3648         exits and conditions.
3649         * testsuite/gcc.dg/graphite/pr37943.c: New.
3650
3651 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3652
3653         PR middle-end/37886
3654         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3655
3656 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3657
3658         * doc/invoke.texi: Fix spaces.
3659
3660 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3661
3662         PR tree-optimization/37891
3663         Reverted last commit.
3664         * graphite.c (create_single_entry_edge): Set
3665         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3666
3667 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3668             Mitul Thakkar  <mitul.thakkar@amd.com>
3669
3670         * graphite.c (create_single_entry_edge): Set
3671         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3672
3673 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3674
3675         * doc/invoke.texi: Add -fgraphite-identity.
3676         * graphite.c (graphite_apply_transformations): Check for
3677         -fgraphite-identity.
3678         * toplev.c (process_options): Add flag_graphite_identity.
3679         * tree-ssa-loop.c: Add flag_graphite_identity.
3680
3681 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         Undo changes from 2008-10-02:
3684         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3685         operand type when copying the operand to a variable of different type.
3686         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3687         with the IV name after increment.
3688
3689 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3690             Harsha Jagasia  <harsha.jagasia@amd.com>
3691
3692         PR tree-optimization/37828
3693         * testsuite/gcc.dg/graphite/pr37828.c: New.
3694         * graphite.c (graphite_trans_loop_block): Do not loop block
3695         single nested loops.
3696
3697 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3698             Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3701         rename_map_elt_info, eq_rename_map_elts): New.
3702         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3703         (expand_scalar_variables_expr): Change parameters.
3704         (expand_scalar_variables_stmt): Same.
3705         (expand_scalar_variables): Same.
3706         (graphite_rename_ivs): Rename graphite_rename_variables.
3707         (build_iv_mapping): New.
3708         (translate_clast): Call build_iv_mapping.
3709         * graphite.h (gbb_p): New name.
3710
3711 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3712
3713         PR tree-optimization/37684
3714         * gcc.dg/graphite/pr37684.c: New.
3715         * graphite.c (exclude_component_ref): New.
3716         (is_simple_operand): Call exclude_component_ref.
3717
3718 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3719             Harsha Jagasia  <harsha.jagasia@amd.com>
3720
3721         PR tree-optimization/37485
3722         * gcc.dg/graphite/block-2.c: New
3723         * graphite.c (gmp_cst_to_tree): Moved.
3724         (iv_stack_entry_is_constant): New.
3725         (iv_stack_entry_is_iv): New.
3726         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3727         (loop_iv_stack_insert_constant): New.
3728         (loop_iv_stack_pop): Use new datatpype.
3729         (loop_iv_stack_get_iv): Same.
3730         (loop_iv_stack_get_iv_from_name): Same.
3731         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3732         (loop_iv_stack_patch_for_consts): New.
3733         (loop_iv_stack_remove_constants): New.
3734         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3735         (translate_clast): Call loop_iv_stack_patch_for_consts and
3736         loop_iv_stack_remove_constants.
3737         (gloog): Use new datatype.  Redirect construction edge to end
3738         block to avoid accidental deletion.
3739         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3740         iv stack entry.
3741         (union iv_stack_entry_data): New.  Data in iv stack entry.
3742         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3743
3744 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3745
3746         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3747         operand type when copying the operand to a variable of different type.
3748
3749 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3752         with the IV name after increment.
3753
3754 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3755
3756         * Merge from mainline (r140164:140838).
3757
3758 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3759
3760         * graphite-data-ref.c: New.
3761         * graphite.c (print_scop): Also dump the dependence graph.
3762         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3763         (new_scop): Initialize SCOP_DEP_GRAPH.
3764         (build_scop_dynamic_schedules): New.
3765         (build_access_matrix_with_af): Fixed column numbering.
3766         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3767         * graphite.h: Add ifndef/define guards against multiple inclusion.
3768         (struct scop): Add dep_graph field.
3769         (SCOP_DEP_GRAPH): Defined.
3770         (ref_nb_loops): Fixed and moved to other position.
3771         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3772         (nb_loops_around_loop_in_scop): New.
3773         (graphite_dump_dependence_graph): Declared.
3774         (graphite_build_rdg_all_levels): Declared.
3775         (graphite_test_dependence): Declared.
3776         * Makefile.in (graphite-data-ref.o): New target.
3777
3778 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3779
3780         * Merge from mainline (139870:140164).
3781
3782 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3783
3784         * Merge from mainline (138275:139870).
3785         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3786         the commits from trunk broke the niter detection.
3787
3788 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3789
3790         * graphite.c: Add more documentation.  Fix formatting.
3791         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3792         loop_iv_stack_debug): Moved...
3793         (schedule_to_scattering): Move before use.
3794         (dot_all_scops): Include in "#if 0" the code for system
3795         call dotty.
3796
3797         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3798         loop_iv_stack_debug): ...here.
3799
3800 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3801
3802         * tree-phinodes.c (make_phi_node): Extern.
3803         (add_phi_node_to_bb): New.
3804         (create_phi_node): Call add_phi_node_to_bb.
3805         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3806         (remove_statement): Handle case where stored phi was updated
3807         and is no longer the same.
3808         * graphite.c (is_parameter): New.
3809         (is_old_iv): New.
3810         (expand_scalar_variables_expr): New.
3811         (expand_scalar_variables_stmt): New.
3812         (expand_scalar_variables): New.
3813         (move_phi_nodes): Create new phi instead of moving old one.
3814         (translate_clast): Call expand_scalar_variables.
3815         (find_vdef_for_var_in_bb): Also scan regular definitions.
3816         (skip_phi_defs): New.
3817         (collect_scop_exit_phi_args): New.
3818         (patch_scop_exit_phi_args): New.
3819         (gloog): Patch phis after scop.
3820         * tree-flow.h: (add_phi_node_to_bb): Declared.
3821         (make_phi_node): Declared.
3822
3823 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite.c (end_scop): Split the entry of the scop when it
3826         is the header of the loop in which the scop is ending.
3827         (build_scops_1, limit_scops): Update uses of end_scop.
3828
3829 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3830
3831         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3832         SCOP_ENTRY or SCOP_EXIT.
3833
3834 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3835
3836         * graphite.c (get_construction_edge): Removed.
3837         (gloog): Construction edge is the scop entry edge.
3838
3839 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3840
3841         * graphite.c (can_generate_for_scop): Removed.
3842         (gloog): Do not call it.
3843
3844 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         * graphite.c (new_scop): Entry of a scop is an edge.
3847         Initialize SESE region.
3848         (free_scop): Free SESE region.
3849         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3850         (split_difficult_bb): New, split from end_scop.
3851         (end_scop): Exit of a scop is an edge.
3852         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3853         not automatically updated and thus is always wrong.
3854         * graphite.h (struct sese): New.
3855         (SESE_ENTRY): New.
3856         (SESE_EXIT): New.
3857         (struct scop): New field for a SESE region.  Remove entry, exit.
3858         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3859         semantics as before.  Moved comment around.
3860
3861 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3862             Sebastian Pop  <sebastian.pop@amd.com>
3863
3864         * graphite.c (graphite_transform_loops): Always enable gloog
3865         and find_transform when ENABLE_CHECKING.
3866
3867 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * graphite.c (graphite_transform_loops): Move pretty printer
3870         of SCOPs before doing any transform.  Remove call to print_scops
3871         and dot_all_scops_1.
3872
3873 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3874
3875         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3876         (print_graphite_bb): Same.
3877
3878 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * graphite.c (dot_all_scops_1): Cleanup.
3881         (move_scops): Fix comment.
3882
3883 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c (build_scop_bbs): Revert commit 139355:
3886
3887         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3888                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3889
3890                 * graphite.c (build_scop_bbs): Factor up code.
3891
3892 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3893
3894         * graphite.c (gloog): Update dominator info.
3895
3896 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3897
3898         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3899
3900 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3901
3902         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP