gcc/ChangeLog.graphite

   1 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
   4         root of the LST.
   5         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
   6         the root of the LST.
   7         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
   8         fake loop.
   9         (print_lst): Print the root of LST in a different format.
  10         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
  11
  12 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  13
  14         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
  15
  16 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         * doc/passes.texi: Document the Graphite infrastructure.
  19
  20 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
  23         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
  24         and check the SSA representation.
  25
  26         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
  27
  28 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
  31
  32 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         * gcc.dg/graphite/interchange-11.c: New.
  35
  36 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
  39
  40 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  41
  42         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  43         Add -fno-loop-strip-mine and -fno-loop-interchange.
  44         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
  45         -fno-loop-strip-mine.
  46         * gfortran.dg/graphite/graphite.exp: Same.
  47
  48 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  49
  50         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
  51         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
  52         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
  53         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
  54         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
  55         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
  56         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
  57         DEFAULT_FLAGS_GRAPHITE_SCOP.
  58         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
  59         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
  60
  61 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
  64
  65 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
  66             Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         * graphite-interchange.c (build_linearized_memory_access): Pass an
  69         offset as parameter.
  70         (memory_stride_in_loop): Include transform scattering in the
  71         access functions to be able to querry the strides in the
  72         transformed loops.
  73         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
  74         not the psct_iterator_dim.
  75
  76 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         * graphite-blocking.c (pbb_do_strip_mine): Removed.
  79         (lst_do_strip_mine_loop): New.
  80         (lst_do_strip_mine): New.
  81         (scop_do_strip_mine): Call lst_do_strip_mine.
  82         * graphite-poly.h (lst_add_loop_under_loop): New.
  83         (lst_find_first_pbb): New.
  84
  85 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
  86
  87         * graphite-poly.c (loop_to_lst): Fix LST creation.
  88
  89 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  90
  91         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
  92         sizeof(unsigned long) to make it run on 32bit systems.
  93
  94 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
  95
  96         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
  97         SEGFAULT on 32bit.
  98
  99 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 100
 101         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 102         Comment.
 103         (write_alias_graph_to_ascii_dot): New.
 104         (write_alias_graph_to_ascii_ecc): Ditto.
 105         (partition_drs_to_sets): Add testing of optimality of current method
 106         which assigns alias numbers according to DFS Comopnent number.  used
 107         as heuristic for the upcoming ECC algorithm.
 108         (build_scop_drs): Write to file also with the ecc and dot format.
 109
 110 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 111
 112         * gfortran.dg/graphite/interchange-1.f: XFail.
 113
 114 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 115
 116         * graphite.c (graphite_initialize): Do not handle functions with
 117         more than 100 basic blocks.
 118
 119 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-blocking.c (pbb_do_strip_mine): Use
 122         PARAM_LOOP_BLOCK_TILE_SIZE.
 123
 124 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 125
 126         * graphite-poly.c (dot_lst_1): New.
 127         (dot_lst): New.
 128         * graphite-poly.h (dot_lst): Declared.
 129
 130 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 131
 132         * graphite-dependences.c (dot_deps_stmt_1): New.
 133         (dot_deps_stmt): New.
 134         * graphite-dependences.h (dot_deps_stmt): Declared.
 135
 136 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 137
 138         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 139         not replace cross BB scalar dependences ending on PHI nodes.
 140         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 141
 142 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 143
 144         * graphite-poly.c (apply_poly_transforms): Implement the high
 145         level driver for flag_loop_block.
 146         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 147         flag_loop_block.
 148
 149         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 150         -floop-block.
 151         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 152         Add -floop-block.
 153
 154 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * graphite-poly.h (lst_find_pbb): New.
 157         (find_lst_loop): New.
 158
 159 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 160
 161         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 162         * graphite-poly.h (struct scop): Remove dep_graph field.
 163         (SCOP_DEP_GRAPH): Removed.
 164
 165 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-poly.h (copy_lst): Do full copy of LST.
 168
 169 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 170
 171         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 172         when the loop stride is zero.
 173
 174         * gcc.dg/graphite/id-16.c: New.
 175
 176 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 177
 178         * graphite-dependences.c (reduction_dr_1): New.
 179         (reduction_dr_p): New.
 180         (graphite_legal_transform_dr): Call reduction_dr_p.
 181         (reduction_ddr): Renamed reduction_ddr_p.
 182         * graphite-poly.h (same_pdr_p): New.
 183         (number_of_write_pdrs): New.
 184         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 185         (split_reduction_stmt): Do not split reduction statements
 186         when there are no writes to memory.
 187         (translate_scalar_reduction_to_array_for_stmt): Insert the
 188         memory reduction statement just after the scalar reduction statement.
 189
 190         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 191         Un-XFAIL-ed.
 192         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 193         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 194
 195 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 196
 197         * graphite-interchange.c (lst_apply_interchange): New.
 198         (lst_interchange_profitable_p): New.
 199         (lst_try_interchange_loops): New.
 200         (lst_try_interchange): New.
 201         (lst_do_interchange): New.
 202         (pbb_do_interchange): Removed.
 203         (scop_do_interchange): Call lst_do_interchange.
 204
 205 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 206
 207         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 208         SCOP_TRANSFORMED_SCHEDULE.
 209         (loop_to_lst): New.
 210         (scop_to_lst): New.
 211         (print_lst): New.
 212         (debug_lst): New.
 213         * graphite-poly.h (lst_p): New.
 214         (struct lst): New.
 215         (LST_LOOP_P): New.
 216         (LST_LOOP_FATHER): New.
 217         (LST_PBB): New.
 218         (LST_SEQ): New.
 219         (scop_to_lst): Declared.
 220         (print_lst): Declared.
 221         (debug_lst): Declared.
 222         (new_lst_loop): New.
 223         (new_lst_stmt): New.
 224         (copy_lst): New.
 225         (lst_depth): New.
 226         (lst_dewey_number): New.
 227         (struct scop): Add original_schedule and transformed_schedule fields.
 228         (SCOP_ORIGINAL_SCHEDULE): New.
 229         (SCOP_TRANSFORMED_SCHEDULE): New.
 230         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 231
 232 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 233
 234         * graphite-dependences.c (reduction_ddr): New.
 235         (graphite_legal_transform_bb): Call reduction_ddr.
 236         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 237         Initialize PBB_IS_REDUCTION.
 238         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 239         (PBB_IS_REDUCTION): New.
 240         (new_poly_bb): Update declaration.
 241         * graphite-scop-detection.h (build_scop_bbs): Removed.
 242         (nb_reductions_in_loop): Removed.
 243         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 244         parameter for reductions.
 245         (try_generate_gimple_bb): Update call to new_poly_bb.
 246         (build_scop_bbs_1): Same.
 247         (build_scop_bbs): Same.
 248         (gsi_for_phi_node): New.
 249         (scalar_close_phi_node_p): Remove gcc_assert.
 250         (split_reduction_stmt): New.
 251         (is_reduction_operation_p): New.
 252         (phi_contains_arg): New.
 253         (follow_ssa_with_commutative_ops): New.
 254         (detect_commutative_reduction_arg): New.
 255         (detect_commutative_reduction_assign): New.
 256         (follow_inital_value_to_phi): New.
 257         (edge_initial_value_for_loop_phi): New.
 258         (initial_value_for_loop_phi): New.
 259         (detect_commutative_reduction): New.
 260         (translate_scalar_reduction_to_array_for_stmt): New.
 261         (insert_copyout): New.
 262         (insert_copyin): New.
 263         (translate_scalar_reduction_to_array): New.
 264         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 265         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 266         (rewrite_commutative_reductions_out_of_ssa): New.
 267         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 268         * sese.h (split_region_for_bb): New.
 269
 270         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 271         * gcc.dg/graphite/interchange-1.c: Fix format.
 272         * gcc.dg/graphite/interchange-10.c: New.
 273
 274 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 275
 276         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 277         buggy assert.
 278
 279 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 280
 281         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 282         (rewrite_cross_bb_scalar_dependence): New.
 283         (rewrite_cross_bb_scalar_deps): New.
 284         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 285         Call rewrite_cross_bb_scalar_deps.
 286
 287 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 290         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 291         gsi_for_stmt.
 292
 293 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 294
 295         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 296         * graphite-interchange.c (pbb_do_interchange): Same.
 297         * graphite-poly.c (print_scattering_function): Same.
 298         (debug_pdrs): Same.
 299         * graphite-poly.h (pbb_loop): New.
 300         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 301
 302 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 305
 306 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 307
 308         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 309         so don't pass a pointer to it.
 310         (build_alias_set_for_drs): Same.
 311         (build_base_obj_set_for_drs): Same.
 312         (build_scop_drs): Same.
 313
 314 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 315
 316         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 317         the alias graph of data references.
 318
 319 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 320
 321         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 322         (build_scop_drs): When debugging, write the alias graph to file,
 323         otherwise, should be disabled.
 324
 325 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 326
 327         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 328         (is_simple_operand): Remove call to stmt_simple_memref_p.
 329         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 330
 331 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 332
 333         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 334         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 335         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 336         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 337         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 338
 339 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 340
 341         PR middle-end/41118
 342         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 343         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 344         (graphite_carried_dependence_level_k): Ditto.
 345         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 346         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 347         (new_poly_dr): Adjust declaration.
 348         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 349         (free_gimple_bb): Added free_data_refs_aux.
 350         (build_poly_dr): Add dr_base_object_set.
 351         (partition_drs_to_sets): New.
 352         (dr_same_base_object_p): New.
 353         (build_alias_set_for_drs): New.
 354         (build_base_object_set_for_drs): New.
 355         (build_scop_drs): Add build_base_obj_set_for_drs.
 356         * graphite-sese-to-poly.h: Added #define for alias set number index and
 357         base object set index.
 358         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 359         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 360
 361 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 362
 363         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 364         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 365
 366 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 367
 368         * graphite-sese-to-poly.c (struct irp_data): Removed.
 369         (idx_record_params): Removed.
 370         (find_params_in_bb): Scan for parameters the access functions; don't
 371         parse the tree representation.
 372
 373 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 374
 375         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 376         passes at -O1 and below.
 377
 378 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 379
 380         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 381         tree-scalar-evolution.h, and then tree-data-ref.h.
 382         * graphite-clast-to-gimple.c: Same.
 383         * graphite-dependences.c: Same.
 384         * graphite-interchange.c: Same.
 385         * graphite-poly.c: Same.
 386         * graphite-scop-detection.c: Same.
 387         * graphite-sese-to-poly.c: Same.
 388         * graphite.c: Same.
 389         * lambda-code.c: Same.
 390         * matrix-reorg.c: Same.
 391         * tree-data-ref.c: Same.
 392         * tree-if-conv.c: Same.
 393         * tree-loop-distribu: Same.: Same.
 394         * tree-loop-linear.c: Same.
 395         * tree-parloops.c: Same.
 396         * tree-predcom.c: Same.
 397         * tree-vect-patterns.c: Same.
 398
 399 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 400
 401         Partially revert the previous patch, except the following.
 402         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 403         as parameters the operands of the not expression.
 404
 405 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 408         Do not call analyze_scalar_evolution on assignments.
 409         (instantiate_scev_phi): Call analyze_scalar_evolution.
 410         (instantiate_scev_name): Call instantiate_scev_assign and
 411         instantiate_scev_phi.
 412         (instantiate_scev_not): Adapted to pass as parameters the operands
 413         of the not expression.
 414
 415 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 416
 417         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 418         to pass as parameters the operands of the binary expression.
 419
 420 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 421
 422         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 423         instantiate_scev_not.  Handle NEGATE_EXPR.
 424         (instantiate_scev_r): Handle NEGATE_EXPR.
 425
 426 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 427
 428         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 429         instantiate_scev_r.
 430         (instantiate_scev_r): Move code in instantiate_scev_2
 431         and instantiate_scev_1.
 432
 433 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 434
 435         * tree-scalar-evolution.c (instantiate_scev_3): New.
 436         (instantiate_scev_1): Move code in instantiate_scev_3.
 437
 438 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 439
 440         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 441         (instantiate_scev_1): Move code in instantiate_scev_poly.
 442
 443 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 446         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 447
 448 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 451         (instantiate_scev_1): Move code in instantiate_scev_convert.
 452
 453 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 454
 455         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 456         (instantiate_scev_1): Move code in instantiate_scev_binary.
 457
 458 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * tree-scalar-evolution.c (instantiate_scev_name): New.
 461         (instantiate_scev_1): Move code in instantiate_scev_name.
 462
 463 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 464
 465         * Merge from mainline (150992:151171).
 466
 467 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 468
 469         * graphite-dependences.c (graphite_legal_transform_bb): Call
 470         pbb_remove_duplicate_pdrs.
 471         * graphite-poly.c (can_collapse_pdr): Removed.
 472         (pdr_find_duplicate): Removed.
 473         (can_collapse_pdrs): New.
 474         (pbb_remove_duplicate_pdrs): New.
 475         (new_poly_dr): Do not look for duplicates.
 476         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 477         (PBB_PDR_DUPLICATES_REMOVED): New.
 478         (pbb_remove_duplicate_pdrs): Declared.
 479
 480 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 481
 482         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 483         the strides by multiplying by PDR_NB_REFS.
 484         * graphite-poly.c (can_collapse_pdr): New.
 485         (pdr_find_duplicate): New.
 486         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 487         Initialize PDR_NB_REFS.
 488         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 489         (PDR_NB_REFS): New.
 490         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 491
 492 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 493
 494         Revert one of the previous commits:
 495         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 496         the computation of symmetric data dependence relations.
 497         (dependency_between_pbbs_p): Same.
 498
 499 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 500
 501         PR middle-end/40965
 502         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 503         any transform.
 504
 505 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 506
 507         * graphite-dependences.c (pddr_original_scattering): Return NULL
 508         for read-read dependence relations.
 509         * graphite-poly.h (enum poly_dr_type): Fix comment.
 510         (pdr_read_p): New.
 511         (pdr_write_p): New.
 512         (pdr_may_write_p): New.
 513
 514 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 515
 516         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 517         (struct poly_dr): Same.
 518         (new_poly_dr): Same.
 519         * graphite-poly.c (new_poly_dr): Same.
 520
 521 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 522             Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 525         pbb_strip_mine_time_depth.  Changed the implementation so that
 526         transformation is expressed as a transformation on
 527         time (scatttering) dimensions.  Also, ensures that the 2d+1
 528         scheduling format is preserved.
 529         (pbb_strip_mine_profitable_p): Profitability is based on the
 530         iteration number of a given time (scattering) dimension,
 531         and not on a original loop depth dimension.
 532         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 533         (pbb_do_strip_mine): Call psct_dynamic_dim.
 534         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 535         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 536         (pbb_nb_dynamic_scattering_transform): New.
 537         (psct_dynamic_dim): New.
 538
 539 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 540
 541         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 542         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 543         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 544         * graphite-interchange.c (build_linearized_memory_access): Same.
 545         (memory_stride_in_loop): Same.
 546
 547 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         * graphite-dependences.c (pddr_original_scattering): New.
 550         (graphite_legal_transform_dr): Call pddr_original_scattering.
 551         (dot_deps_1): New.
 552         (dot_deps): New.
 553         * graphite-dependences.h (dot_deps): Declared.
 554         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 555         (print_pdr): Print PDR_ID.
 556         * graphite-poly.h (struct poly_dr): Add field id.
 557         (PDR_ID): New.
 558         (pbb_index): New.
 559         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 560
 561 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 564         not delete the original dependence relation.
 565
 566 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 569         the computation of symmetric data dependence relations.
 570         (dependency_between_pbbs_p): Same.
 571
 572 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 573
 574         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 575         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 576         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 577         (free_poly_ddr): New.
 578         (pddr_is_empty): New.
 579         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 580         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 581         Remove fprintfs.
 582         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 583         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 584         * graphite-dependences.h (enum poly_dependence_kind): New.
 585         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 586         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 587         (PDRP_SINK): Renamed PDDR_SINK.
 588         (PDRP_DDP): Renamed PDDR_DDP.
 589         (PDDR_KIND): New.
 590         (free_poly_ddr): Declared.
 591         * graphite-poly.c (new_scop): Use the new hash function names.
 592         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 593         into original_pddrs.
 594         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 595
 596 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 597
 598         * Merge from mainline (150764:150992).
 599
 600 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 601
 602         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 603         bounds with LT_EXPR to make niter analysis more precise on code
 604         generated by Graphite.
 605
 606 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 609         (graphite_legal_transform_bb): Same.
 610         (poly_drs_may_alias_p): Same.
 611
 612 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         PR middle-end/40981
 615         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 616         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 617
 618 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 619
 620         * graphite-poly.c (print_pbb): Print PBB index.
 621
 622 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 623
 624         * Merge from mainline (r150672:150764).
 625
 626 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 627
 628         * graphite-interchange.c (ppl_max_for_le): Moved...
 629         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 630         * graphite-ppl.c (ppl_max_for_le): ... here.
 631         * graphite-ppl.h (ppl_max_for_le): Declared.
 632
 633 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 634
 635         * Merge from mainline (r150372:150672).
 636
 637 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 638
 639         PR middle-end/40980
 640         * sese.c (convert_for_phi_arg): New.
 641         (add_guard_exit_phis): Use convert_for_phi_arg.
 642
 643         * testsuite/gfortran.dg/graphite/id-17.f: New.
 644
 645 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 646
 647         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 648         unknown subscript upper bounds.
 649
 650         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 651
 652 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 653             Pranav Garg  <pranav.garg2107@gmail.com>
 654
 655         * graphite-interchange.c (gather_access_strides): Removed.
 656         (ppl_max_for_le): New.
 657         (build_linearized_memory_access): New.
 658         (memory_stride_in_loop): New.
 659         (pbb_interchange_profitable_p): Reimplemented.
 660         * graphite-ppl.h (ppl_new_id_map): New.
 661         (ppl_interchange): New.
 662
 663         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 664
 665 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 666
 667         * graphite-interchange.c (compute_subscript): Removed.
 668         (compute_array_size_cstr): Removed.
 669         (compute_array_size_poly): Removed.
 670         (compute_array_size): Removed.
 671         (gather_access_strides_poly): Removed.
 672         (gather_access_strides): Empty.
 673
 674 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 675
 676         * graphite-dependences.c (dependence_polyhedron_1): Replace
 677         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 678         (graphite_legal_transform_dr): Same.
 679         (graphite_carried_dependence_level_k): Same.
 680         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 681         Initialize PDR_NB_SUBSCRIPTS.
 682         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 683         PDR_NB_SUBSCRIPTS.
 684         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 685         (PDR_NB_SUBSCRIPTS): New.
 686         (pdr_nb_subscripts): Removed.
 687         (pdr_dim): Simplified.
 688         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 689         with PDR_NB_SUBSCRIPTS.
 690
 691 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 692
 693         * graphite-interchange.c (compute_array_size): Remove use of
 694         PDR_DATA_CONTAINER.
 695         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 696         Do not initialize PDR_DATA_CONTAINER.
 697         (print_pdr): Do not print PDR_DATA_CONTAINER.
 698         * graphite-poly.h (struct poly_dr): Remove data_container field.
 699         (PDR_DATA_CONTAINER): Removed.
 700         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 701         PDR_DATA_CONTAINER.
 702         (build_poly_dr): Same.
 703
 704 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 705
 706         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 707
 708 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 709             Sebastian Pop  <sebastian.pop@amd.com>
 710
 711         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 712         copy of the dependence polyhedron.  Free the temporary objects.
 713         (graphite_carried_dependence_level_k): Free unused objects before
 714         returning.
 715
 716         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 717         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 718         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 719         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 720         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 721
 722 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 723
 724         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 725         Early return without analyzing the data dependences if no
 726         transform has been done.  Call restore_scattering if the transform
 727         is not legal.
 728         (graphite-interchange.c): Same.
 729         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 730         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 731         (apply_poly_transforms): Do not gcc_assert that
 732         the transform is legal.
 733         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 734         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 735         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 736         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 737         * graphite-poly.h (struct poly_scattering): New.
 738         (struct poly_bb): Add original, transformed, and saved fields.
 739         Remove transformed_scattering, original_scattering, nb_local_variables,
 740         and nb_scattering_transform fields.
 741         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 742         (poly_scattering_new): New.
 743         (poly_scattering_free): New.
 744         (poly_scattering_copy): New.
 745         (store_scattering_pbb): New.
 746         (store_scattering): New.
 747         (restore_scattering_pbb): New.
 748         (restore_scattering): New.
 749         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 750         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 751
 752 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 755         (print_scop): Same.
 756
 757 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 758
 759         * Makefile.in (graphite.o): Depends on PREDICT_H.
 760         * graphite.c: Include predict.h.
 761         (graphite_finalize): Call tree_estimate_probability.
 762         * predict.c (predict_loops): Do not call scev_initialize and
 763         scev_finalize.
 764         (tree_estimate_probability_bb): New.
 765         (tree_estimate_probability): Do not initialize loops: move that
 766         code to the driver.  Call tree_estimate_probability_bb.
 767         (tree_estimate_probability_driver): New.
 768         (pass_profile): Use tree_estimate_probability_driver.
 769         * predict.h (tree_estimate_probability): Declared.
 770
 771 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 774         * graphite-dependences.c (graphite_legal_transform): Add time to
 775         TV_GRAPHITE_DATA_DEPS.
 776         (dependency_between_pbbs_p): Same.
 777         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 778
 779 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 780
 781         * Merge from mainline (r149952:150372).
 782
 783 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 786         * graphite-blocking.c: Same.
 787         * graphite-clast-to-gimple.c: Same.
 788         * graphite-dependences.c: Same.
 789         * graphite-poly.c: Same.
 790         * graphite-poly.h: Same.
 791         * graphite-ppl.c: Same.
 792         * graphite-scop-detection.c: Same.
 793         * graphite-sese-to-poly.c: Same.
 794         * graphite.c: Same.
 795
 796 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 797
 798         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 799         (remove_simple_copy_phi): New.
 800         (remove_invariant_phi): New.
 801         (simple_copy_phi_p): New.
 802         (reduction_phi_p): New.
 803         (gsi_for_ssa_name_def): New.
 804         (insert_out_of_ssa_copy): New.
 805         (insert_out_of_ssa_copy_on_edge): New.
 806         (create_zero_dim_array): New.
 807         (scalar_close_phi_node_p): New.
 808         (rewrite_close_phi_out_of_ssa): New.
 809         (rewrite_phi_out_of_ssa): New.
 810         (rewrite_reductions_out_of_ssa): New.
 811         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 812
 813         * testsuite/gcc.dg/graphite/id-11.c: New.
 814         * testsuite/gcc.dg/graphite/id-15.c: New.
 815         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 816         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 817         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 818         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 819         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 820         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 821         * testsuite/gfortran.dg/graphite/id-13.f: New.
 822         * testsuite/gfortran.dg/graphite/id-5.f: New.
 823
 824 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 825
 826         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 827         check that nb_reductions_in_loop is zero.
 828         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 829         reduction phi nodes.
 830         (nb_reductions_in_loop): Removed.
 831         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 832         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 833         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 834         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 835         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 836
 837 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 838
 839         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 840         statements that have an empty iteration domain.
 841         * testsuite/gfortran.dg/graphite/id-16.f: New.
 842
 843 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * tree-scalar-evolution.c (instantiate_scev_1): Return
 846         chrec_dont_know when the result is not above instantiate_below.
 847         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 848         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 849         the tree has a known scalar evolution.
 850         * testsuite/gfortran.dg/graphite/id-14.f: New.
 851         * testsuite/gfortran.dg/graphite/id-15.f: New.
 852
 853 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 854
 855         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 856         insert_gsi.
 857         (rename_variables): Keep inserting renames after the ones already
 858         inserted.
 859
 860 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 861
 862         * graphite-sese-to-poly.c (compare_bb_depths): New.
 863         (graphite_sort_dominated_info): New.
 864         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 865         (build_scop_scattering): Fix comment.
 866
 867 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite.c (graphite_finalize): Call print_loops instead of
 870         dump_function_to_file.
 871         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 872         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 873         loops generated in the graphite output file.
 874         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 875         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 876         * testsuite/gfortran.dg/graphite/id-12.f: New.
 877
 878 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 879
 880         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 881         Remove 2 XFAIL.
 882
 883 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 884             Tobias Grosser  <grosser@fim.uni-passau.de>
 885
 886         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 887         alias set number build alias in ACCESSES polyhedron.
 888         (build_alias_set_for_drs): New.
 889         (build_pbb_drs): Added build_alias_set_for_drs.
 890         * graphite-dependences.c (poly_drs_may_alias_p): New.
 891         (graphite_carried_dependence_level_k): Check alias information
 892         before building polyhedron.
 893
 894 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 895
 896         * Makefile.in (lambda-code.o): Fix formatting.
 897
 898 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 899
 900         * Merge from mainline (r149350-149952)
 901
 902 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 903
 904         * graphite-poly.c (apply_poly_transforms): Move strip_mine
 905         before interchange to prepare for loop blocking.
 906
 907 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
 908
 909         * graphite-poly.c (apply_poly_transforms): Add checks after every
 910         transformation.
 911         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
 912         done in apply_poly_transforms.
 913
 914 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 915
 916         * graphite-dependences.c (build_lexicographically_gt_constraint):
 917         Replace RES parameter with *RES.
 918         (dependence_polyhedron_1): Pass an address of the parameter RES
 919         instead of value of RES.
 920
 921 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 922
 923         * graphite.c (graphite_finalize): Fix comment.
 924         (graphite_transform_loops): Reset scev info after code generation
 925         of each scop.
 926
 927 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 928
 929         * graphite.c (graphite_finalize): Call scev_reset.
 930
 931 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 932
 933         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
 934         GBB_CLOOG_IV_TYPES hash table twice.
 935         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
 936         (add_condition_to_domain): Clear GMP values.
 937
 938 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 939
 940         * graphite-dependences.c: Fix formatting.
 941         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
 942         (pbb_number_of_iterations): Free ppl_Linear_Expression.
 943         * graphite-sese-to-poly.c: Fix formatting.
 944         * graphite.c (graphite_transform_loops): Create the hash table
 945         after the early return.
 946
 947 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * testsuite/gcc.dg/graphite/id-14.c: New.
 950         * testsuite/gcc.dg/graphite/pr40157.c: New.
 951         * testsuite/gfortran.dg/graphite/id-11.f: New.
 952
 953 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 954
 955         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
 956         (build_poly_scop): Return false when there are no pbbs within
 957         loops to avoid to pass to cloog scops with no loops.
 958
 959 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
 960
 961         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
 962         useless test "i % 2".
 963         (build_pbb_scattering_polyhedrons): Fix formatting.
 964         (build_poly_dr): Same.
 965         * graphite.c (graphite_transform_loops): Restructure.
 966
 967 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
 968
 969         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
 970         reduction_list parameter.
 971         (rewrite_all_phi_nodes_with_iv): Same.
 972         (canonicalize_loop_ivs): Same.
 973         * tree-parloops.c (struct brli): Removed.
 974         (build_reduction_list_info): Removed.
 975         (build_new_reduction): New.
 976         (analyze_reduction_list): Removed.
 977         (gather_scalar_reductions): Find reductions instead of phi
 978         nodes that can't be canonicalized.
 979         (try_create_reduction_list): Remove reduction_list parameter.
 980         (gen_parallel_loop): Same.
 981         (parallelize_loops): Remove analyze_reductions variable,
 982         initialization and free.
 983         Change reduction_list htab initialization to reduction_info
 984         elements instead of ssa names.
 985         Call try_create_reduction_list and gen_parallel_loop without
 986         analyzed_reduction argument.
 987         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
 988         canonicalize_loop_ivs with one less argument.
 989         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
 990
 991 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
 992
 993         * graphite-dependences.c (new_poly_dr_pair): New.
 994         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
 995         (new_poly_dr_pair): New.
 996         (eq_poly_dr_pair_p): New.
 997         (hash_poly_dr_pair_p): New.
 998         * graphite-dependences.h (struct poly_dr_pair): New.
 999         (eq_poly_dr_pair_p): Declared.
1000         (hash_poly_dr_pair_p): Declared.
1001         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1002         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1003         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1004         * Makefile.in (graphite-poly.o): Add dependence on
1005         graphite-dependences.h.
1006
1007 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1008
1009         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1010         polynomials of degree > 1 pass to Graphite.
1011         * tree-chrec.c (scev_is_linear_expression): Call
1012         evolution_function_is_affine_multivariate_p.
1013         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1014
1015 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1016
1017         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1018         Instantiate scevs varying in outer loops.
1019         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1020
1021 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1022
1023         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1024         redundant constraint.
1025
1026 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1027
1028         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1029         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1030         based on the file names as in the C testsuite.
1031         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1032         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1033         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1034         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1035         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1036         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1037         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1038         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1039         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1040         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1041         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1042         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1043         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1044
1045 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * sese.c (expand_scalar_variables_call): New.
1048         (expand_scalar_variables_ssa_name): Handle calls in expander.
1049
1050 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1053         Expect to see the pattern twice.
1054         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1055         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1056         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1057
1058 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1059
1060         * testsuite/gcc.dg/graphite/id-10.c: New.
1061         * testsuite/gcc.dg/graphite/id-12.c: New.
1062         * testsuite/gfortran.dg/graphite/id-7.f: New.
1063         * testsuite/gfortran.dg/graphite/id-8.f: New.
1064
1065 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1066
1067         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1068         zero.
1069
1070 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1071
1072         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1073
1074 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1075
1076         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1077
1078 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1081         building PDR subscripts.
1082
1083 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1084
1085         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1086         computation of array sizes.
1087
1088 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1091
1092 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1093
1094         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1095         build_pairwise_constraint, dr_equality_constraints,
1096         build_pairwise_scheduling_equality,
1097         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1098         build_lexicographically_gt_constraint, dependence_polyhedron,
1099         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1100         Move from NNC_Polyhedron to C_Polyhedron.
1101         * graphite-interchange.c (compute_array_size_poly,
1102         gather_access_strides): Dito.
1103         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1104         free_scop, pbb_number_of_iterations): Dito.
1105         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1106         pbb_dim_iter_domain, struct scop): Dito.
1107         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1108         new_Cloog_Domain_from_ppl_Polyhedron,
1109         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1110         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1111         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1112         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1113         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1114         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1115         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1116         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1117         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1118         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1119         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1120         build_scop_iteration_domain, build_poly_dr): Dito
1121
1122 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1125         run-id-*.c files.
1126         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1127
1128 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1131         positivity constraint on the symbolic number of iterations.
1132
1133 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1136
1137 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1138             Tobias Grosser  <grosser@fim.uni-passau.de>
1139
1140         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1141         (build_cloog_prog): Directly use SCOP_CONTEXT.
1142         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1143         (free_scop): Free SCOP_CONTEXT.
1144         (print_scop_context): New.
1145         (print_scop): Call print_scop_context.
1146         (debug_scop_context): New.
1147         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1148         (struct scop): Added field context.
1149         (SCOP_CONTEXT): New.
1150         * graphite-sese-to-poly.c (add_param_constraints): New.
1151         (build_scop_context): New.
1152         (build_poly_scop): Call build_scop_context.
1153
1154 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1155
1156         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1157         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1158         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1159         * graphite-ppl.h: Include double-int.h and tree.h.
1160         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1161         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1162         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1163         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1164
1165 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1168         POINTER_PLUS_EXPR for pointer types.
1169         (clast_to_gcc_expression): Same.
1170
1171 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         * graphite-poly.c (print_scattering_function): Early return when
1174         PBB_TRANSFORMED_SCATTERING is not initialized.
1175         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1176
1177 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1180         to fix bootstrap.
1181
1182 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1183
1184         * tree-parloops.c (analyze_reduction_list): Change return
1185         value to void.
1186         (try_create_reduction_list): Move the call to
1187         analyze_reduction_list to the beginining.
1188         Call reduction_phi with analyzed_reductions as argument
1189         instead of reduction_list.
1190
1191 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1192
1193         *  Merge from mainline (r148296:149346)
1194
1195 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-scop-detection.c (graphite_can_represent_init): New.
1198         (graphite_can_represent_scev): Call graphite_can_represent_init:
1199         check that the initial value does not contain multiplications of
1200         parameters.
1201         (stmt_has_simple_data_refs_p): New.
1202         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1203         (is_simple_operand): Fix formatting.
1204         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1205
1206 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         * testsuite/gcc.dg/graphite/id-13.c: New.
1209         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1210         analyze_scalar_evolution, use scalar_evolution_in_region.
1211         (scan_tree_for_params_right_scev): Add extra assert.
1212         (parameter_index_in_region_1): Split from parameter_index_in_region.
1213         (idx_record_params): Use scalar_evolution_in_region.
1214         (find_params_in_bb): Same.
1215         (find_scop_parameters): Same.
1216         (build_loop_iteration_domains): Same.
1217         (create_linear_expr_from_tree): Same.
1218         * sese.c (scalar_evolution_in_region): New.
1219         * sese.h (scalar_evolution_in_region): Declared.
1220         (defined_in_sese_p): New.
1221         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1222         static anymore.
1223         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1224         Declared.
1225
1226 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1227
1228         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1229         TREE_DATA_REF_H also implies SCEV_H.
1230
1231 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1232
1233         * graphite-poly.c (print_scop_params): New.
1234         (print_scop): Call print_scop_params.
1235         (debug_scop_params): New.
1236         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1237
1238 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1239
1240         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1241         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1242         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1243         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1244         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1245         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1246
1247 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1248
1249         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1250         for dependency checking part.
1251         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1252         tests for dependency checking.
1253         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1254         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1255         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1256         flag -fdump-tree-graphite-all for autopar testsuites.
1257
1258 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1261         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1262         canonicalize_loop_ivs): Moved...
1263         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1264
1265 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1266
1267         * tree-parloops.c (try_create_reduction_list): Pass an extra
1268         argument analyzed_reductions.  Call analyze_reduction_list.
1269         (gen_parallel_loop): Do not call analyze_reduction_list.
1270         (parallelize_loops): Init and finalize analyzed_reductions.
1271
1272 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1273
1274         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1275         Added flag -fno-loop-strip-mine for autopar testcase.
1276
1277 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1278
1279         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1280         transformed scattering dimension instead of unmatch orignal when
1281         calling dependence_polyhedron.
1282
1283 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1286
1287 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1290         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1291
1292 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1293
1294         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1295         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1296         * graphite-poly.c (pbb_number_of_iterations): New.
1297         * graphite-poly.h (pbb_number_of_iterations): Declared.
1298         (pbb_iterator_dim, pbb_parameter_dim): New.
1299
1300 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1301
1302         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1303         last commit on type of lower and upper bound of loops.
1304
1305 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1306
1307         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1308         graphite-dependences.h.
1309         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1310         (mark_bb_with_pbb): New.
1311         (get_stmtfor_depth): New.
1312         (find_pbb_via_hash): New.
1313         (dependency_in_loop_p): New.
1314         (mark_loops_parallel): New.
1315         (free_aux_in_new_loops): New.
1316         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1317         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1318         innermost loop parallel without checking.
1319         (gloog): Add parameter BB_PBB_MAPPING.
1320         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1321         (gloog): Change declaration.
1322         (mark_loop_parallel): Make extern.
1323         (free_aux_in_new_loops): Declare.
1324         (bb_pbb_map_hash): New.
1325         (eq_bb_pbb_map): New.
1326         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1327         auto parallelization when flag_graphite_force_parallel is set.
1328         (graphite_finalize): Added free_aux_in_new_loops.
1329         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1330         the innermost loop that marked parallel.  Use
1331         flag_graphite_force_parallel instead of loop->can_be_parallel.
1332         (loop_parallel_p): Move inner most checking out of function.
1333
1334 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1337         type of lower and upper bound of loops signed long int.
1338
1339 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1342         expression outside the loop.
1343
1344 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * gcc.dg/graphite/interchange-8.c: New.
1347
1348 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1349
1350         * gcc.dg/graphite/interchange-0.c: XFailed.
1351         * gcc.dg/graphite/interchange-5.c: XFailed.
1352         * gcc.dg/graphite/interchange-6.c: XFailed.
1353
1354 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1355
1356         * graphite-interchange.c (compute_array_size_poly): The end of the
1357         recursion should return 1.
1358
1359 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1360
1361         * graphite-interchange.c (compute_array_size_cstr): Allow the
1362         subscript multiplier to be -1.
1363         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1364         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1365         data_container.  Initializes PDR_DATA_CONTAINER.
1366         (print_pdr_access_layout): New.
1367         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1368         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1369         data_container.
1370         (PDR_DATA_CONTAINER): New.
1371         (new_poly_dr): Update declaration.
1372         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1373         (build_poly_dr): Call pdr_add_data_dimensions.
1374
1375 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1376
1377         * graphite-poly.h (struct poly_dr): Fix comment.
1378         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1379         (pdr_add_memory_accesses): New.
1380         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1381
1382 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1383
1384         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1385         (print_pbb): Add call to print_pdrs.
1386         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1387
1388 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1389             Li Feng <nemokingdom@gmail.com>
1390
1391         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1392         (dependency_between_pbbs_p): New.
1393         (lexicographically_gt_p): Assure !empty_p before polyhedron
1394         intersection assign.
1395         (build_lexicographically_gt_constraint): Correct lexicographically
1396         judging.
1397         * graphite-dependences.h: New.
1398         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1399
1400 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1401
1402         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1403         (gloog): Print to dump_file the generated clast.
1404         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1405         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1406
1407 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-poly.c (extend_scattering): Increment
1410         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1411
1412 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-interchange.c (compute_array_size_poly): Added exit of
1415         recursion condition.  Continue iterating even after the first equality.
1416         (compute_array_size): Same.
1417
1418 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1419
1420         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1421         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1422         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1423         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1424         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1425
1426 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1429         only when the use verifies is_gimple_reg.
1430
1431 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1432
1433         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1434         Allocate scaldims after call to unify_scattering_dimensions.
1435
1436 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1437
1438         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1439
1440 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1441             Albert Cohen  <albert.cohen@inria.fr>
1442
1443         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1444         variables for the strip mining.
1445
1446 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1447             Pranav Garg  <pranav.garg2107@gmail.com>
1448
1449         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1450         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1451         (graphite-blocking.o): New rule.
1452         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1453         * graphite-blocking.c: New.
1454         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1455         flag_loop_strip_mine.
1456         (psct_scattering_dim_for_loop_depth): New.
1457         * graphite-poly.h (scop_do_strip_mine): Declared.
1458         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1459         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1460         flag_loop_strip_mine.
1461
1462 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1465         a GMP value and a PPL coefficient at each iteration of a loop.
1466
1467 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1468
1469         * graphite-dependences.c (dependence_polyhedron): Do not use
1470         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1471         pbb_nb_scattering_transform.
1472         (graphite_legal_transform_dr): Same.
1473         * graphite-poly.c (extend_scattering): Same.
1474         (unify_scattering_dimensions): Same.
1475         (print_scattering_function): Same.
1476         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1477         PBB_NB_LOCAL_VARIABLES.
1478         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1479         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1480         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1481         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1482         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1483         (pbb_nb_scattering_transform): New.
1484         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1485         (psco_scattering_dim): Add assert on parameters.
1486         (psct_scattering_dim): Same.
1487         (psct_scattering_dim_for_loop_depth): Declared.
1488         (psct_local_var_dim): New.
1489         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1490         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1491         correct layout, call pbb_nb_local_vars.
1492         (psct_add_local_variable, psct_add_scattering_dimension): New.
1493         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1494         Initialize PBB_NB_SCATTERING_TRANSFORM.
1495
1496 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1497
1498         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1499         (set_coef): Renamed ppl_set_coef.
1500         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1501
1502 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1503
1504         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1505         test a boolean against 1.
1506         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1507         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1508         (pbb_do_interchange): Returns true when a transform has been performed.
1509         (scop_do_interchange): Same.
1510         * graphite-poly.c (apply_poly_transforms): Use the return value of
1511         scop_do_interchange.
1512         * graphite-poly.h (scop_do_interchange): Update declaration.
1513
1514 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1515
1516         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1517         after last use.
1518         * sese.c (sese_reset_aux_in_loops): New.
1519         * sese.h (sese_reset_aux_in_loops): New.
1520
1521 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1522
1523         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1524         multiplier and multiply the constant by the multiplier.
1525         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1526         (build_poly_dr): Do not use the multiplier to define the subscript.
1527
1528 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1529
1530         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1531         compiler's data reference.  Initialize PDR_CDR.
1532         (print_pdr): Call dump_data_reference.
1533         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1534         Add compiler_dr field.
1535         (PDR_BB): Renamed PDR_PBB.
1536         (PDR_CDR): New.
1537         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1538         GCC's data reference representation.
1539         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1540         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1541
1542 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         * graphite-poly.c (print_scattering_function): Also print the layout.
1545         * graphite-poly.h (pbb_nb_local_vars): New.
1546
1547 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1548
1549         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1550
1551 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1552
1553         * graphite-poly.c (print_pdr, debug_pdr): New.
1554         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1555         (PDR_BASE): Removed.
1556
1557 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1558
1559         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1560         ltrans-{1..6,8}.c.
1561
1562 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1563
1564         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1565         subscript identification column.
1566         (pbb_do_interchange): Print to dump_file that some loops "will be
1567         interchanged".  Rely on that chain of characters in the testcases.
1568         * gcc.dg/graphite/interchange-0.c: New.
1569         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1570         interchange-*.c files and compile them with -floop-interchange.
1571
1572 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1573
1574         * graphite-interchange.c (interchange_profitable_p): Renamed
1575         pbb_interchange_profitable_p.
1576
1577 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1578             Harsha Jagasia  <harsha.jagasia@amd.com>
1579             Pranav Garg  <pranav.garg2107@gmail.com>
1580
1581         * graphite-interchange.c (interchange_profitable_p): Make static.
1582         (pbb_interchange_loop_depths, pbb_do_interchange,
1583         scop_do_interchange): New.
1584         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1585         for flag_loop_interchange.
1586         * graphite-poly.h (scop_do_interchange): Declared.
1587         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1588         flag_loop_interchange is used.
1589
1590 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1591
1592         * graphite-dependences.c (dependence_polyhedron): Update use of
1593         pbb_nb_scattering_dims.
1594         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1595         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1596         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1597         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1598
1599 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1600
1601         * graphite.c: Cleanup foo.
1602
1603 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * Merge from mainline (r143684:148293).
1606         * Disabled libpcp until it gets fixed.
1607
1608 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1609             Harsha Jagasia  <harsha.jagasia@amd.com>
1610
1611         * graphite-interchange.c: New.
1612         * Makefile.in (graphite-interchange.o): New.
1613         * graphite-poly.h (interchange_profitable_p): Declared.
1614         * graphite-ppl.h (value_max): New.
1615
1616 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1617
1618         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1619         * graphite-poly.h: Fix some comments.
1620         (pdr_dim): New.
1621         (pdr_scop): New.
1622
1623 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1624
1625         * graphite-poly.h
1626         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1627         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1628         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1629         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1630         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1631         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1632         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1633         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1634         * graphite-clast-to-gimple.c: Same.
1635         * graphite-dependences.c: Same.
1636         * graphite-poly.c: Same.
1637         * graphite-sese-to-poly.c: Same.
1638
1639 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1642         expressions for an IV rename, as returned by clast_to_gcc_expression.
1643         (copy_renames): Rename new_name to expr.
1644         * sese.c (debug_rename_elt): Same.
1645         (get_rename): Same.
1646         (set_rename): Same.
1647         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1648         the information from the rename map.
1649         (rename_variables_in_stmt): Same.
1650         (add_loop_exit_phis): Rename new_name to expr.
1651         (insert_loop_close_phis): Same.
1652         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1653         * sese.h (struct rename_map_elt): Rename new_name to expr.
1654         (new_rename_map_elt): Same.
1655
1656 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1657
1658         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1659         * sese.c (set_rename): Make it extern.
1660         * sese.h (set_rename): Declared.
1661
1662 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1663
1664         * graphite-poly.c (extend_scattering): Free values.
1665         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1666         Free iterators.
1667         (ppl_print_powerset_matrix): Same.
1668         * graphite-scop-detection.c (free_scops_1): New.
1669         (limit_scops): Call free_scops_1.
1670         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1671         (build_poly_dr): Free PPL coefficients.
1672         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1673
1674 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-dependences.c: New.
1677         * graphite-data-ref.c: Removed.
1678         * graphite-data-ref.h: Removed.
1679         * Makefile.in (graphite-data-ref.o): Removed.
1680         (graphite-dependences.o): Added.
1681         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1682         * graphite-poly.c: Same.
1683         Move the data dependence testing to graphite-dependences.c.
1684
1685 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1686
1687         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1688         from graphite_cannot_represent_loop. Code refactored.
1689         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1690
1691 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1692
1693         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1694         Cover all the testcases (not only the filtered ones).
1695
1696 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1697
1698         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1699         unnecessary check. Update comments. Move check for REAL_TYPE here.
1700         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1701         done in (stmt_simple_for_scop_p).
1702
1703 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1704
1705         * graphite.c (print_global_statistics): New.
1706         (print_graphite_scop_statistic): New.
1707         (print_graphite_statistics): New.
1708         (graphite_initialize, graphite_transform_loops): Print statistics.
1709         * graphite-scop-detection (build_scops): Print statistics.
1710         (print_graphite_scop_statistics): New.
1711         (print_graphite_statistics): New.
1712
1713 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1714
1715         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1716         (debug_clast_name_index): Removed.
1717         (debug_clast_name_indexes_1): Removed.
1718         (debug_clast_name_indexes): Removed.
1719         (clast_name_index_elt_info): Removed.
1720         (eq_clast_name_indexes): Removed.
1721         (clast_name_to_index): Removed.
1722         (new_clast_name_index): Removed.
1723         (save_clast_name_index): Removed.
1724         (save_var_name): Moved...
1725         (init_sese_params_index): Removed.
1726         (clast_name_to_gcc): Remove use of name_tree.
1727         (initialize_cloog_names): Same.
1728         (gloog): Do not call init_sese_params_index.
1729         * graphite-sese-to-poly.c (save_var_name): ...here.
1730         (parameter_index_in_region): New.
1731         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1732         (parameter_index_in_region): Removed.
1733         (is_parameter): Remove use of name_tree.
1734         * sese.h (struct name_tree): Removed.
1735         (struct sese): Remove use of name_tree.  New field params_names.
1736         (SESE_PARAMS_NAMES): New.
1737         (SESE_PARAMS): Remove duplicate.
1738         (parameter_index_in_region): Removed.
1739         (sese_nb_params): Remove use of name_tree.
1740         (struct clast_name_index): New.
1741         (new_clast_name_index): New.
1742         (clast_name_to_index): New.
1743         (save_clast_name_index): New.
1744         (debug_clast_name_index): New.
1745         (debug_clast_name_indexes_1): New.
1746         (debug_clast_name_indexes): New.
1747         (clast_name_index_elt_info): New.
1748         (eq_clast_name_indexes): New.
1749
1750 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1753         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1754         (graphite_loop_normal_form): Do not pass region.  Do not
1755         initialize SESE_OLDIVS.
1756         (build_graphite_loop_normal_form): Update call to
1757         graphite_loop_normal_form.
1758         * sese.c (debug_oldivs): Removed.
1759         (new_sese): Do not initialize SESE_OLDIVS.
1760         (free_sese): Do not free SESE_OLDIVS.
1761         (oldiv_for_loop): Removed.
1762         * sese.h (struct sese): Remove old_ivs.
1763         (SESE_OLDIVS): Removed.
1764         (oldiv_for_loop): Removed.
1765
1766 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1769         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1770         replaced by a call to newivs_to_depth_to_newiv.
1771         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1772         (clast_to_gcc_expression_red): Same.
1773         (gcc_type_for_clast_expr): Same.
1774         (gcc_type_for_clast_eq): Same.
1775         (graphite_translate_clast_equation): Same.
1776         (graphite_create_guard_cond_expr): Same.
1777         (graphite_create_new_guard): Same.
1778         (graphite_create_new_loop): Same.
1779         (build_iv_mapping): Same.
1780         (translate_clast): Same.
1781         (gloog): Same.
1782         (loop_iv_stack_patch_for_consts): Removed.  *
1783         sese.c (iv_stack_entry_is_constant): Removed.
1784         (iv_stack_entry_is_iv): Removed.
1785         (loop_iv_stack_push_iv): Removed.
1786         (loop_iv_stack_insert_constant): Removed.
1787         (loop_iv_stack_pop): Removed.
1788         (loop_iv_stack_get_iv): Removed.
1789         (loop_iv_stack_get_iv_from_name): Removed.
1790         (debug_loop_iv_stack): Removed.
1791         (free_loop_iv_stack): Removed.
1792         (loop_iv_stack_remove_constants): Removed.  *
1793         sese.h (iv_stack_entry_kind): Removed.
1794         (iv_stack_entry_data_union): Removed.
1795         (iv_stack_entry_struct): Removed.
1796         (iv_stack_entry_p): Removed.
1797         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1798         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1799         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1800         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1801         (gbb_loop_at_index): Fix indenting.
1802         (gbb_loop_index): Removed.
1803
1804 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1805
1806         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1807         Call clast_name_to_index.
1808
1809 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1810
1811         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1812         do not pass params.  Get params from SESE_PARAMS.
1813         (clast_to_gcc_expression): Same.
1814         (clast_to_gcc_expression_red): Same.
1815         (gcc_type_for_clast_eq): Same.
1816         (graphite_translate_clast_equation): Same.
1817         (graphite_create_new_loop): Same.
1818         * sese.c (rename_variables_in_stmt): Fix comment.
1819
1820 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1823         newivs_index.
1824         Call save_clast_name_index.
1825         (translate_clast): Pass newivs_index.
1826         (gloog): Create and free newivs_index.
1827
1828 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1831         (clast_name_index_p): New type.
1832         (debug_clast_name_index): New.
1833         (debug_clast_name_indexes_1): New.
1834         (debug_clast_name_indexes): New.
1835         (clast_name_index_elt_info): New.
1836         (eq_clast_name_indexes): New.
1837         (clast_name_to_index): New.
1838         (new_clast_name_index): New.
1839         (save_clast_name_index): New.
1840         (init_sese_params_index): New.
1841         (gloog): Call init_sese_params_index.
1842         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1843         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1844         (free_sese): Free SESE_PARAMS_INDEX.
1845         * sese.h (struct sese): Add params_index.
1846         (SESE_PARAMS_INDEX): New.
1847
1848 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1849
1850         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1851         (graphite_create_new_loop): Pass the newivs vector.  Push the
1852         newly created IV to newivs.
1853         (translate_clast): Pass the newivs vector.
1854         (gloog): Create and destroy the newivs vector.
1855
1856 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1859         (graphite_loop_normal_form): Initialize loop->aux with the unique
1860         IV that has been created.
1861
1862 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1863
1864         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1865         scev with parameters in the base part. They where forbidden
1866         exidently.
1867
1868 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1869
1870         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1871         compile options by file names.
1872         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1873         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1874         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1875         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1876
1877 2009-05-08  Li Feng <nemokingdom@gmail.com>
1878
1879         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1880         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1881         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1882         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1883
1884 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1885
1886         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1887         by final cleanup.
1888
1889 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1890
1891         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1892         allow integer constant strides.
1893         (graphite_can_represent_expr): Depend on outermost_loop.
1894         (stmt_simple_memref_p, graphite_cannot_represent_loop,
1895         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
1896         build_scops_1): Same.
1897         (scopdet_basic_block_info): Same and insert layered SCoP
1898         detection.
1899         (try_generate_gimple_bb): Cleanup.
1900         (build_scops): Enable data references.
1901
1902         * testsuite/gcc.dg/graphite/id-5.c: New.
1903         * testsuite/gcc.dg/graphite/id-9.c: New.
1904         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
1905         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
1906
1907 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1908
1909         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
1910         that we have not yet built for this SCoP.
1911
1912 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1913
1914         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
1915         for complex numbers.
1916
1917 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
1918
1919         * graphite-ppl.c: Fix build if cloog is not available.
1920
1921 2009-05-04  Li Feng  <nemokingdom@gmail.com>
1922
1923         * tree-parloops.c (loop_parallel_p): Remove construction of
1924         NITER and REDUCTION_LIST.
1925         (try_get_loop_niter): New.
1926         (try_create_reduction_list): New.
1927         (parallelize_loops): Bypass the failed checkings in autopar
1928         when can_be_parallel in loop structure is set to true.
1929
1930 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1931
1932         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
1933         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
1934
1935 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1936
1937         * graphite-scop-detection.c (stmt_simple_for_scop_p):
1938         Enable EQ_EXPR and NE_EXPR again.
1939
1940 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1941
1942         * graphite-scop-detection.c (graphite_can_represent_scev):
1943         Add check if scev is affine multivariate.
1944         (harmful_stmt_in_bb): Check if we can represent the conditions.
1945         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
1946         harmful_stmt_in_bb.
1947         * testsuite/gcc.dg/graphite/id-7.c: New.
1948
1949 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
1950
1951         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
1952         Check all bbs in region, not only the bbs that are represented in
1953         GRAPHITE.
1954         (build_poly_scop): Add newline.
1955         * testsuite/gcc.dg/graphite/id-8.c: New.
1956
1957 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1958
1959         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
1960         when loop initialize.
1961         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
1962         * common.opt: Declare flag_graphite_force_parallel.
1963         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
1964         loop parallel.
1965         * graphite-poly.c (apply_poly_transforms): Introduce
1966         flag_graphite_force_parallel.
1967         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
1968         * toplev.c (process_options): ditto and replace a not correctly
1969         encoded space.
1970
1971 2009-04-30  Li Feng  <nemokingdom@gmail.com>
1972
1973         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
1974         Change the call of gbb_loop_at_index and/or gbb_loop_index due
1975         to the redefinition.
1976         (compute_cloog_iv_types_1): ditto.
1977         (build_iv_mapping): ditto.
1978         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
1979         initialization.
1980         (free_gimple_bb): Removed GBB_LOOPS related free part.
1981         (build_bb_loops): Removed.
1982         * sese.h (struct gimple_bb): Removed loops.
1983         (GBB_LOOPS): Removed.
1984         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
1985         (gbb_loop_index): ditto.
1986
1987 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1988
1989         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
1990         allow non constant strides.
1991         * testsuite/gcc.dg/graphite/scop-20.c: New.
1992
1993 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
1994
1995         * graphite-scop-detection.c (dot_all_scops): Fix system call
1996         return value warning.
1997         (dot_scop): Same.
1998
1999 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2000
2001         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2002         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2003
2004 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2005
2006         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2007         build_pairwise_constraint, dr_equality_constraints,
2008         build_pairwise_scheduling_equality,
2009         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2010         build_lexicographically_gt_constraint, dependence_polyhedron,
2011         graphite_legal_transform_dr, graphite_legal_transform_bb,
2012         graphite_legal_transform): New.
2013         * graphite-poly.h (graphite_legal_transform): Declared.
2014         * graphite-sese-to-poly.c (build_poly_scop): Call to
2015         graphite_legal_transform is disabled for the moment.
2016
2017 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite-poly.h (pbb_nb_scattering_dims): New.
2020         (pbb_nb_scattering): Use it.
2021
2022 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2023
2024         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2025         Pointset_Powerset version of ppl_insert_dimensions.
2026         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2027
2028 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2029
2030         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2031
2032 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2033
2034         * graphite-poly.h: Fix comment.
2035
2036 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2039
2040 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2041
2042         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2043         statements.
2044
2045 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2046
2047         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2048         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2049         conditions.
2050
2051 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2052
2053         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2054         handle EQ_EXPR and NE_EXPR.
2055
2056 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2057
2058         * graphite-poly.h (poly_dr): Fix comment.
2059
2060 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2061             Tobias Grosser  <grosser@fim.uni-passau.de>
2062
2063         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2064         with a zero dimension polyhedron.
2065         (find_scop_parameters): Move the call to scop_set_nb_params here.
2066         (build_loop_iteration_domains): Store in loop->aux the iteration
2067         domain polyhedron.
2068         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2069         by any loop in scop.
2070         (build_poly_scop): Do not call scop_set_nb_params.
2071
2072 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2073             Tobias Grosser  <grosser@fim.uni-passau.de>
2074
2075         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2076         add_condition_to_domain not GT_EXPR.
2077
2078 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2079
2080         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2081         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2082         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2083         upper_bound_assign to calculate unions.
2084         * testsuite/gcc.dg/graphite/id-6.c: New.
2085
2086 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2087
2088         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2089         handle abnormal edges.
2090
2091 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2092
2093         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2094         (free_poly_bb): Also free poly_drs.
2095         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2096         (poly_dr): Polyhedron to Pointset_Powerset.
2097         (pdr_accessp_nb_subscripts): Same.
2098         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2099         poly_drs.
2100
2101 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2104         names into more meaningful names.
2105
2106 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2109         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2110
2111 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2114         the reduction_list.
2115         * tree-parloops.c (rewrite_phi_with_iv): New.
2116         (rewrite_all_phi_nodes_with_iv): New.
2117         (canonicalize_loop_ivs): Call them.
2118
2119 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2122         graphite_find_data_references_in_stmt.
2123         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2124         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2125
2126 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2129
2130 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2131
2132         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2133         instead of bb_in_region.
2134         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2135         (build_sese_conditions): Use flag_bb_in_sese.
2136         * sese.c (register_bb_in_sese): Removed.
2137         (new_sese): Remove initialization of SESE_REGION_BBS.
2138         (free_sese): Do not free SESE_REGION_BBS.
2139         * sese.h (struct sese): Remove field region_basic_blocks.
2140         (SESE_REGION_BBS): Removed.
2141         (bb_in_sese_p): Implement in function of bb_in_region.
2142
2143 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2146         loops.
2147
2148 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2149
2150         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2151         and EQ_EXPR.
2152         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2153         (add_condition_to_domain): New.
2154         (add_condition_to_pbb): New.
2155         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2156         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2157
2158 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2159
2160         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2161         ppl_Pointset_Powerset.
2162         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2163         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2164         (pbb_nb_loops): Same.
2165         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2166         add_conditions_to_domain): Same.
2167         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2168         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2169         ppl_const_Polyhedron_t.
2170         (ppl_print_powerset_matrix): New.
2171         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2172         ppl_print_powerset_matrix): New.
2173         (ppl_print_polyhedron_matrix): Updated.
2174
2175 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2176
2177         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2178
2179 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2180
2181         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2182         (print_iteration_domains, debug_iteration_domain,
2183         debug_iteration_domains): New.
2184         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2185         debug_iteration_domains): Declared.
2186         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2187         indenting.
2188
2189 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2190             Sebastian Pop  <sebastian.pop@amd.com>
2191
2192         * graphite-poly.h (print_iteration_domain): New.
2193         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2194         (build_sese_conditions_1, build_sese_conditions_after,
2195         build_sese_conditions_before): New.
2196         (build_sese_conditions): Rewritten.
2197
2198 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2199             Tobias Grosser  <grosser@fim.uni-passau.de>
2200
2201         Cleanup of code generation liveouts.
2202         * graphite-clast-to-gimple.c (translate_clast): Use a single
2203         rename_map instead of one per translated statement.
2204         Do not use SESE_LIVEOUT_RENAMES.
2205         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2206         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2207         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2208         phi node of a reduction: when a loop contains a reduction used outside
2209         the loop, there should be a scalar close phi node on the exit block.
2210         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2211         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2212         (free_sese): Do not free them.
2213         (sese_build_liveouts_use): Do not use them.
2214         (sese_build_liveouts_bb): Same.
2215         (sese_build_liveouts): Same.
2216         (sese_insert_phis_for_liveouts): Same.
2217         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2218         (defined_in_loop_p): New.
2219         (alive_after_loop): New.
2220         (close_phi_not_yet_inserted_p): New.
2221         (struct alep, alep_p): New.
2222         (add_loop_exit_phis): Remove from the rename_map all the names defined
2223         in the code generated loop.
2224         (insert_loop_close_phis): Traverse the rename_map passed to it.
2225         Don't use SESE_LIVEOUT_RENAMES.
2226         (default_liveout_before_guard): Renamed default_before_guard.
2227         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2228         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2229         (register_sese_liveout_renames): Removed.
2230         (copy_bb_and_scalar_dependences): Do not call it.
2231         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2232         reduction_list.
2233         (SESE_LIVEOUT): Removed.
2234         (SESE_LIVEOUT_RENAMES): Removed.
2235         (SESE_REDUCTION_LIST): Removed.
2236         (sese_build_liveouts): Removed.
2237         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2238         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2239         (insert_guard_phis): Same.
2240         (rename_map_elt): Declare a VEC of them.
2241         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2242         trees not pointers to trees.
2243
2244         Rewrite in canonical close SSA form:
2245         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2246         (limit_scops): Close the scop after the block containing the close phi
2247         nodes.
2248         (canonicalize_loop_closed_ssa): New.
2249         (canonicalize_loop_closed_ssa_form): New.
2250         (build_scops): Call canonicalize_loop_closed_ssa_form.
2251
2252         * graphite-sese-to-poly.c: Fix typos.
2253
2254 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2257         Extended.
2258         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2259         (print_pbb): Add conditions.
2260
2261 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2262             Sebastian Pop  <sebastian.pop@amd.com>
2263
2264         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2265         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2266         (build_scop_bbs_1): New.
2267         (build_scop_bbs): Rewrite.
2268         * sese.h (bb_in_region): New.
2269
2270 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2271
2272         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2273         poly_drs vector.
2274         (print_scop): Style.
2275         * graphite-poly.h (poly_bb): Add drs vector.
2276         (PBB_DRS): Add accessor.
2277         * graphite-sese-to-poly.c (build_poly_dr): New.
2278         (build_pbb_drs, build_scop_drs): New.
2279         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2280
2281 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2282
2283         * tree-ssa-loop.c: Include forgotten toplev.h
2284
2285 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2286
2287         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2288         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2289         * testsuite/gcc.dg/graphite/pr37928.c: Same
2290         * testsuite/gcc.dg/graphite/pr38409.c: Same
2291         * testsuite/gcc.dg/graphite/pr38498.c: Same
2292         * testsuite/gcc.dg/graphite/pr38559.c: Same
2293         * testsuite/gcc.dg/graphite/pr39335.c: Same
2294         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2295         * testsuite/gfortran.dg/graphite/block-2.f: Same
2296         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2297         with -floop-*.
2298
2299 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2300
2301         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2302         build_access_matrix, build_scop_data_accesses): Remove access function
2303         building. (We get a new version soon).
2304         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2305         * sese.h (nb_loops_around_loop_in_sese): Remove.
2306         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2307
2308 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2309             Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * graphite-scop-detection.c (struct scopdet_info): Rename last
2312         field to exit.
2313         (scopdet_basic_block_info, build_scops_1): Don't use
2314         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2315
2316 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2317             Sebastian Pop  <sebastian.pop@amd.com>
2318
2319         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2320         * sese.c (sese_build_liveouts_use): Renamed from
2321         sese_build_livein_liveouts_use. Remove liveins.
2322         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2323         Call sese_build_liveouts_use.
2324         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2325         Call sese_build_liveouts_bb.
2326         (new_sese, free_sese): Remove liveins.
2327         (sese_add_exit_phis_var): Deleted.
2328         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2329         directly.
2330         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2331
2332         * sese.h (sese): Remove num_ver and livein.
2333         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2334
2335 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2336
2337         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2338
2339 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2340
2341         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2342         (build_scop_scattering): Do not use compare_prefix_loops any more.
2343         (nb_common_loops): New.
2344
2345 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2348         (register_old_and_new_names): Renamed set_rename.
2349
2350 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2351
2352         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2353         of the decl from the previous commit.
2354
2355 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * graphite-scop-detection.c (dot_scop): New.
2358         * graphite-scop-detection.h (dot_scop): Declared.
2359
2360 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2361
2362         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2363
2364 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2367         condition at the end of the loop.
2368         * graphite.c (graphite_initialize, graphite_finalize): Print to
2369         dump_file the compiled function.
2370         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2371         of create_empty_loop_on_edge.
2372         (translate_clast): Update the code generation of loops for the new
2373         shape of loops.
2374         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2375
2376 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         Reverted the patch from 2009-03-19.
2379
2380 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2381
2382         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2383         poly_drs vector.
2384         (print_scop): Style.
2385         * graphite-poly.h (poly_bb): Add drs vector.
2386         (PBB_DRS): Add accessor.
2387         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2388         (build_access_matrix_with_af, build_access_matrix,
2389         build_scop_data_accesses): Delete.
2390         (build_poly_dr): New.
2391         (build_pbb_drs, build_scop_drs): New.
2392         (build_poly_scop): call build_scop_drs.
2393
2394 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2397         once per basic block.
2398
2399 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2400
2401         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2402         (graphite_can_represent_expr): Renamed from loop_affine_expr
2403         and enhanced.
2404         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2405         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2406         (scopdet_basic_block_info): Actually define entry_block.
2407         (stmt_simple_memref_p): Moved here from ...
2408
2409         * tree-data-ref.c (stmt_simple_memref_p): here.
2410         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2411
2412 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2413
2414         * testsuite/gcc.dg/graphite/id-4.c: New.
2415
2416 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2419         (register_old_and_new_names): Update the content of the map.
2420         When there was already a rename_map_elt in the map at that
2421         location, free it.
2422         (copy_bb_and_scalar_dependences): Do rename_variables after
2423         expand_scalar_variables.
2424         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2425         of the map.  When there was already a rename_map_elt in the
2426         map at that location, free it.
2427         (translate_clast): Pass the rename_map.  Do not initialize and free
2428         a rename_map per stmt_user.
2429         (gloog): Initialize and free one rename_map and pass it to
2430         translate_clast.
2431
2432 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * sese.c (expand_scalar_variables_stmt,
2435         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2436         parameter.
2437         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2438         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2439         the gimple_stmt_iterator of the statement to be expanded.
2440         * graphite-scop-detection.c (is_simple_operand): Do handle
2441         REALPART_EXPR.
2442
2443 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2444
2445         * graphite-scop-detection.c (is_simple_operand): Do not handle
2446         REALPART_EXPR.
2447         * testsuite/gcc.dg/graphite/id-2.c: New.
2448
2449         * graphite-sese-to-poly.c (build_bb_loops,
2450         add_value_to_dim, scan_tree_for_params_right_scev,
2451         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2452         find_params_in_bb, build_loop_iteration_domains,
2453         add_conditions_to_domain): Remove subtract.
2454
2455 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2456
2457         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2458         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2459         pbb_loop_at_index -> gbb_loop_at_index.
2460         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2461         (debug_loop_vec): Delete.
2462         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2463         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2464         (PBB_LOOPS): Removed.
2465         (PBB_BLACK_BOX): Insert cast.
2466         (pbb_set_black_box): New setter.
2467         (pbb_loop_at_index, pbb_loop_index): Removed.
2468         (scop_set_region, scop_set_nb_params): New.
2469         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2470         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2471         (build_poly_scop): Use scop_set_nb_params.
2472         * sese.h (gimple_bb): Add LOOPS.
2473         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2474
2475 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2476
2477         Revert previous commit.
2478
2479 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2480
2481         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2482         (register_old_and_new_names): Update the content of the map.
2483         When there was already a rename_map_elt in the map at that
2484         location, free it.
2485         (copy_bb_and_scalar_dependences): Do rename_variables after
2486         expand_scalar_variables.
2487         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2488         of the map.  When there was already a rename_map_elt in the
2489         map at that location, free it.
2490         (translate_clast): Pass the rename_map.  Do not initialize and free
2491         a rename_map per stmt_user.
2492         (gloog): Initialize and free one rename_map and pass it to
2493         translate_clast.
2494
2495 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2496
2497         Remove forgotten line in revert.
2498
2499 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         Revert previous commit.
2502
2503 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2504
2505         * sese.c (register_old_and_new_names): Update the content
2506         of the map.  When there was already a rename_map_elt in the
2507         map at that location, free it.
2508         (copy_bb_and_scalar_dependences): Do rename_variables after
2509         expand_scalar_variables.
2510         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2511         of the map.  When there was already a rename_map_elt in the
2512         map at that location, free it.
2513         (translate_clast): Pass the rename_map.  Do not initialize and free
2514         a rename_map per stmt_user.
2515         (gloog): Initialize and free one rename_map and pass it to
2516         translate_clast.
2517
2518 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2519
2520         * graphite-clast-to-gimple.c (translate_clast): context_loop
2521         is never NULL.
2522
2523 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2524             Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2527         of the use of ppl_Polyhedron_map_space_dimensions.
2528
2529 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2530             Sebastian Pop  <sebastian.pop@amd.com>
2531
2532         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2533         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2534         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2535         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2536         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2537         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2538         pbb_nb_params): New.
2539         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2540         nb_loops_around_pbb): Adapt return types.
2541
2542 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2543
2544         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2545         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2546         graphite-scop-detection.o, graphite-poly.o): Add
2547         more headers.
2548
2549 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2550
2551         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2552         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2553         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2554
2555 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2556
2557         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2558         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2559         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2560         * testsuite/gcc.dg/graphite/block-0.c: Same.
2561         * testsuite/gcc.dg/graphite/block-1.c: Same.
2562         * testsuite/gcc.dg/graphite/block-2.c: Same.
2563         * testsuite/gcc.dg/graphite/block-3.c: Same.
2564         * testsuite/gcc.dg/graphite/block-4.c: Same.
2565         * testsuite/gcc.dg/graphite/block-5.c: Same.
2566         * testsuite/gcc.dg/graphite/block-6.c: Same.
2567         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2568         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2569         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2570         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2571         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2572         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2573         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2574         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2575         * opts.c: Remove -floop-block from -O2.
2576         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2577         -floop-strip-mine are used.
2578
2579 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2580             Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2583         dimensions.
2584         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2585         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2586         strip_mine_profitable_p, is_interchange_valid,
2587         graphite_trans_bb_block, graphite_trans_loop_block,
2588         graphite_trans_scop_block): Temporary removed.
2589         (extend_scattering, unify_scattering_dimensions): New.
2590         (print_scattering_function, graphite_read_transforms):
2591         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2592         (graphite_generate_scattering_fns): Removed.
2593         (apply_poly_transforms): Cleanup.
2594         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2595         (schedule_to_scattering): Moved.
2596         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2597         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2598         (pbb_nb_scattering): New.
2599         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2600         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2601         Removed.
2602         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2603         shift_poly.
2604         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2605         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2606         -> PBB_TRANSFORMED_SCATTERING.
2607         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2608         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2609         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2610         (check_poly_representation): Do not return bool.
2611         (graphite_transform_loops): Reformat.
2612         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2613
2614 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2617         debug_pbb_domain, debug_pbb, debug_scop): New.
2618         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2619         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2620
2621 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2622
2623         PR middle-end/39335
2624         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2625         when the type precision of the induction variable should be
2626         larger than the type precision of nit.
2627         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2628         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2629         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2630
2631         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2632         * testsuite/gcc.dg/graphite/pr39335.c: New.
2633
2634 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2635
2636         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2637         SSA_NAMES not struct reduction_info.
2638
2639 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2640
2641         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2642
2643 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2644             Tobias Grosser  <grosser@fim.uni-passau.de>
2645
2646         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2647         (free_sese): Free SESE_REDUCTION_LIST.
2648         * sese.h (struct sese): Add field reduction_list.
2649         (SESE_REDUCTION_LIST): New.
2650         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2651         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2652
2653 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2654             Tobias Grosser  <grosser@fim.uni-passau.de>
2655
2656         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2657         of loop_p.
2658
2659 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2660             Tobias Grosser  <grosser@fim.uni-passau.de>
2661
2662         * tree-parloops.c (struct brli, build_reduction_list_info,
2663         analyze_reduction_list, gather_scalar_reductions): New.
2664         (loop_parallel_p): Build a reduction list containing only
2665         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2666         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2667         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2668         * tree-flow.h (gather_scalar_reductions): Declared.
2669
2670 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2671
2672         PR middle-end/39308
2673         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2674         number_of_iterations_exit from a gcc_assert.
2675
2676 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2677             Jan Sjodin  <jan.sjodin@amd.com>
2678
2679         * output.h (graphite_out_file, graphite_in_file): Declared.
2680         * toplev.c (graphite_out_file, graphite_in_file): New.
2681         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2682         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2683         Don't call schedule_to_scattering.
2684         * common.opt (fgraphite-write, fgraphite-read): New.
2685         * graphite-poly.c: Include output.h.
2686         (print_scattering_function, print_scattering_functions,
2687         debug_scattering_function, debug_scattering_functions,
2688         graphite_write_transforms, graphite_read_transforms,
2689         graphite_generate_scattering_fns): New.
2690         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2691         Call graphite_generate_scattering_fns, graphite_write_transforms,
2692         graphite_read_transforms.
2693         (new_poly_bb): Initialize PBB_SCATTERING.
2694         (free_poly_bb): Free PBB_SCATTERING.
2695         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2696         * graphite-poly.h (struct poly_bb): Add field scattering.
2697         (PBB_SCATTERING): New.
2698         (print_scattering_function, print_scattering_functions,
2699         debug_scattering_function, debug_scattering_functions): Declared.
2700         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2701         GMP values, not integers!
2702         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2703         ppl_read_polyhedron_matrix): New.
2704         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2705         debug_ppl_polyhedron_matrix,
2706         ppl_read_polyhedron_matrix): Declared.
2707         * Makefile.in (graphite-poly.o): Depends on output.h.
2708
2709 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2710             Tobias Grosser  <grosser@fim.uni-passau.de>
2711
2712         Revert this change:
2713         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2714         scalar evolutions in the scop_entry->loop_father.
2715
2716 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2717             Tobias Grosser  <grosser@fim.uni-passau.de>
2718
2719         * graphite.h (ref_nb_loops): Remove declaration.
2720         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2721         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2722         debug_gbb): Moved to sese.h.
2723         * sese.h: As said.
2724
2725 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2726             Tobias Grosser  <grosser@fim.uni-passau.de>
2727
2728         * graphite-data-ref.[ch]: Disable.
2729
2730 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2731             Tobias Grosser  <grosser@fim.uni-passau.de>
2732
2733         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2734         scalar evolutions in the scop_entry->loop_father.
2735
2736 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2739         (graphite_cannot_represent_loop_niter): Renamed
2740         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2741         (limit_scops): build_sese_loop_nests does not return a bool.
2742         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2743         * sese.c (nb_reductions_in_loop): ... from here.
2744         (graphite_loop_normal_form): ... from here.
2745         (sese_record_loop): Does not fail, so does not return a bool.
2746         (build_sese_loop_nests): Same.
2747         * sese.h (build_sese_loop_nests): Update declaration.
2748         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2749         (build_graphite_loop_normal_form): New.
2750         (gloog): Call build_graphite_loop_normal_form.
2751         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2752         build_sese_loop_nests.
2753
2754         * testsuite/gcc.dg/graphite/id-1.c: New.
2755
2756 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2757             Tobias Grosser  <grosser@fim.uni-passau.de>
2758
2759         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2760         The SCoP detection fix is sufficient.
2761
2762 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         PR tree-optimization/39260
2765         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2766         the basic block contains a condition with a real type.
2767         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2768
2769         * gcc.dg/graphite/pr39260.c: New.
2770
2771 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * graphite-poly.c: Inlcude params.h.
2774         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2775         the size of a tile.
2776         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2777         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2778
2779 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2780             Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-scop-detection.c (dot_all_scops_1,
2783         dot_all_scops): Moved here.
2784         * graphite-scop-detection.h (dot_all_scops): Declared here.
2785         * graphite.c (graphite_initialize, graphite_finalize): New.
2786         (graphite_transform_loops): Cleaned up.
2787         * sese.c (debug_oldivs): Moved here.
2788         * graphite-poly.c (graphite_apply_transformations): Renamed
2789         apply_poly_transforms.
2790         (debug_loop_vec): Moved here.
2791         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2792         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2793         find_scop_parameters, build_scop_iteration_domain,
2794         add_conditions_to_constraints, build_scop_canonical_schedules,
2795         build_scop_data_accesses): Now static.
2796         (build_poly_scop, check_poly_representation): New.
2797
2798 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2801         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2802         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2803         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2804         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2805         scan_tree_for_params, struct irp_data, dx_record_params,
2806         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2807         build_loop_iteration_domains, add_conditions_to_domain,
2808         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2809         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2810         build_sese_conditions, add_conditions_to_constraints,
2811         build_scop_iteration_domain, build_access_matrix_with_af,
2812         build_access_matrix,
2813         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2814
2815         * graphite-sese-to-poly.c: New.
2816         * graphite-sese-to-poly.h: New.
2817
2818         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2819
2820 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2821
2822         * graphite.c: Split graphite code generation to a new file.
2823         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2824         max_precision_type, clast_to_gcc_expression_red,
2825         clast_to_gcc_expression, gcc_type_for_clast_expr,
2826         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2827         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2828         graphite_create_new_guard, clast_get_body_of_loop,
2829         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2830         graphite_create_new_loop, build_iv_mapping, copy_renames,
2831         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2832         compute_cloog_iv_types, free_scattering, save_var_name,
2833         initialize_cloog_names, build_scop_context, build_cloog_prog,
2834         set_cloog_options, debug_clast_stmt, scop_to_clast,
2835         print_generated_program, debug_generated_program,
2836         gloog): Moved to graphite-clast-to-gimple.c.
2837
2838         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2839
2840         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2841         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2842         loop_iv_stack_pop, loop_iv_stack_get_iv,
2843         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2844         free_loop_iv_stack, loop_iv_stack_remove_constants,
2845         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2846         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2847         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2848         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2849         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2850         get_vdef_before_sese, sese_adjust_vphi,
2851         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2852         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2853         is_iv, expand_scalar_variables_ssa_name,
2854         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2855         expand_scalar_variables, rename_variables, remove_condition,
2856         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2857         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2858         default_liveout_before_guard, add_guard_exit_phis,
2859         insert_guard_phis, register_old_and_new_names,
2860         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2861         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2862         if_region_set_false_region, create_if_region_on_edge,
2863         move_sese_in_condition): Moved to sese.c.
2864
2865         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2866         if_region_exit, if_region_get_condition_block,
2867         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2868         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2869         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2870         ivtype_map_elt, new_ivtype_map_elt,
2871         recompute_all_dominators): Moved to sese.h.
2872
2873         * graphite-clast-to-gimple.c: New.
2874         * graphite-clast-to-gimple.h: New.
2875         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2876         * sese.c: Modified as said above.
2877         * sese.h: Same.
2878
2879 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2880
2881         * graphite.c: Split scop detection to a new file.
2882         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2883         move_sd_regions, loop_affine_expr, exclude_component_ref,
2884         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2885         graphite_cannot_represent_loop_niter, struct scopdet_info,
2886         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2887         find_single_entry_edge, find_single_exit_edge,
2888         create_single_entry_edge, sd_region_without_exit,
2889         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2890         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2891         Moved to graphite-scop-detection.c.
2892
2893         * graphite-scop-detection.c: New.
2894         * graphite-scop-detection.h: New.
2895         * Makefile.in: Add new rule for graphite-scop-detection.o.
2896
2897         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
2898         tree-scalar-evolution.h.
2899         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
2900         build_sese_loop_nests): Moved here from graphite.c.
2901         (param_index): Renamed parameter_index_in_region.
2902
2903 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2904             Sebastian Pop  <sebastian.pop@amd.com>
2905
2906         * gcc.dg/graphite/block-0.c: Expected to fail now.
2907         * gcc.dg/graphite/block-1.c: Same.
2908         * gcc.dg/graphite/block-5.c: Same.
2909         * gcc.dg/graphite/block-6.c: Same.
2910
2911 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2912             Sebastian Pop  <sebastian.pop@amd.com>
2913
2914         * graphite.h: Separate from graphite_bb_p the polyhedral
2915         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
2916         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
2917         graphite-data-ref.h.
2918         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
2919         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
2920         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
2921         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2922         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
2923         scop_nb_params): Moved to graphite-poly.h.
2924         * graphite-data-ref.c: Same.
2925         * graphite-data-ref.h: New.
2926         * graphite.c: Same.
2927         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
2928         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
2929         is_interchange_valid, graphite_trans_bb_block,
2930         graphite_trans_loop_block, scop_max_loop_depth,
2931         graphite_trans_scop_block, graphite_apply_transformations,
2932         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
2933         graphite-poly.c.
2934         * graphite-poly.h: New.
2935         * graphite-poly.c: New.
2936         * Makefile.in (OBJS-common): Add graphite-poly.o.
2937         (graphite-poly.o): New rule.
2938         * tree-data-ref.h (struct data_reference): Remove unused scop field.
2939         (DR_SCOP): Removed.
2940
2941 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2942             Tobias Grosser  <grosser@fim.uni-passau.de>
2943
2944         * graphite.c: Replace gb -> gbb.
2945         * graphite.h: Same.
2946         * graphite-data-ref.c: Same.
2947
2948 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
2949             Tobias Grosser  <grosser@fim.uni-passau.de>
2950
2951         * Makefile.in (OBJS-commmon): Add sese.o.
2952         (sese.o): New.
2953         (graphite.o): Add sese.h.
2954         * graphite.c (bb_in_ss_p, loop_in_sese_p,
2955         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
2956         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
2957         Move to sese.
2958         (block_before_scop): Add missing return.
2959         (new_scop, free_scop): Remove SESE data structures.
2960         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
2961         find_scop_parameters, build_loop_iteration_domains,
2962         add_conditions_to_domain, register_scop_liveout_renames,
2963         copy_bb_and_scalar_dependences): Scop -> SESE.
2964
2965         (add_conditions_to_domain): SCoP -> SESE and remove check
2966         (scop_contains_non_iv_scalar_phi_nodes): New.
2967         (build_scop_conditions_1, build_scop_conditions): Remove check for
2968         non iv scalar phi nodes.
2969         (print_scop_statistics): New.
2970         (graphite_transform_loops): Cleanup.
2971
2972         * graphite.h: Move to sese & cleanup.
2973         * sese.c: New.
2974         * sese.h: New.
2975
2976 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2977             Tobias Grosser  <grosser@fim.uni-passau.de>
2978
2979         * graphite.c (build_scop_conditions_1): Conditions are only
2980         at the end of a basic block.
2981
2982 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2983             Tobias Grosser  <grosser@fim.uni-passau>
2984
2985         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
2986         field.
2987         (GBB_ALPHA): Removed.
2988
2989 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
2990             Tobias Grosser  <grosser@fim.uni-passau.de>
2991
2992         * graphite-data-ref.c (graphite_test_dependence): Don't use
2993         GBB_DYNAMIC_SCHEDULE.
2994         * graphite.c (new_graphite_bb): Same.
2995         (free_graphite_bb): Same.
2996         (build_scop_dynamic_schedules): Removed.
2997         (graphite_transform_loops): Don't call it.
2998         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
2999         (GBB_DYNAMIC_SCHEDULE): Removed.
3000
3001 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3002             Tobias Grosser  <grosser@fim.uni-passau.de>
3003
3004         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3005         (print_graphite_bb): Same.
3006         (build_cloog_prog): Same.
3007
3008 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3009             Tobias Grosser  <grosser@fim.uni-passau.de>
3010
3011         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3012
3013 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3014             Tobias Grosser  <grosser@fim.uni-passau.de>
3015
3016         * graphite.c (build_scop_context): Don't use CloogMatrix.
3017         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3018         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3019
3020 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3021             Tobias Grosser  <grosser@fim.uni-passau.de>
3022
3023         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3024         liveout_renames, add_params fields...
3025         (struct sese): ... here.
3026         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3027         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3028
3029 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3030             Tobias Grosser  <grosser@fim.uni-passau.de>
3031
3032         * graphite.c (print_scop): Do not print the CLooG program.
3033         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3034         build_cloog_prog, gloog): Don't use SCOP_PROG.
3035         (find_transform): Renamed scop_to_clast.
3036         (print_generated_program, debug_generated_program): New.
3037         (graphite_transform_loops): Adapt to new interface.
3038         * graphite.h (struct scop): Remove program field.
3039         (SCOP_PROG): Removed.
3040         (print_generated_program, debug_generated_program): Declared.
3041
3042 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3045         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3046         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3047         free_graphite_bb, build_scop_canonical_schedules,
3048         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3049         schedules are now represented using a ppl_Linear_Expression_t.
3050         * graphite.h (struct graphite_bb): Same.
3051         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3052         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3053
3054 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3055
3056         * graphite.c: Free local memory.
3057         * graphite-ppl.c: Same.
3058
3059 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3060
3061         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3062         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3063         swap_constraint_variables, scale_constraint_variable): Removed.
3064         (graphite_trans_bb_strip_mine): Remove pong.
3065         * graphite-ppl.c: Include missing header files.
3066         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3067         * graphite-ppl.h (ppl_strip_loop): Declared.
3068         * Makefile.in (graphite-ppl.o): Adjust dependences.
3069
3070 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3073         (build_scop_iteration_domain): Same.
3074
3075 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3078         ping pong.
3079         (add_value_to_dim, scan_tree_for_params_right_scev,
3080         scan_tree_for_params_int): New.
3081         * graphite-ppl.c (oppose_constraint): New.
3082         (insert_constraint_into_matrix): Implement missing cases.
3083         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3084
3085 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3088         use ppl_move_dimension.
3089
3090 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3091
3092         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3093         * graphite.c: Same.
3094         * graphite.h: Same.
3095         * graphite-ppl.c: Same.
3096         * graphite-ppl.h: Same.
3097
3098 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         Revert last 3 commits.
3101
3102 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3103
3104         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3105         ping pong.
3106         (add_value_to_dim, scan_tree_for_params_right_scev,
3107         scan_tree_for_params_int): New.
3108         * graphite-ppl.c (oppose_constraint): New.
3109         (insert_constraint_into_matrix): Implement missing cases.
3110         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3111
3112 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3113
3114         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3115
3116 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3117             Tobias Grosser  <grosser@fim.uni-passau.de>
3118
3119         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3120         use ppl_move_dimension.
3121         * graphite-ppl.c (ppl_move_dimension): New.
3122         * graphite-ppl.h (ppl_move_dimension): Declared.
3123
3124 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         * graphite.c: Do not include cloog/cloog.h.
3127         (print_graphite_bb): Remove ping pong, call PPL print function.
3128
3129 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3130
3131         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3132         (graphite.o): Add dependence on graphite-ppl.h.
3133         (graphite-ppl.o): New.
3134         (graphite-data-ref.c): Ping pong between PPL data structures
3135         and matrices.
3136         * graphite-ppl.c: New.
3137         * graphite-ppl.h: New.
3138         * graphite.c: Include graphite-ppl.h.
3139         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3140         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3141         Ping pong between PPL data structures and matrices.
3142         (new_graphite_bb): Create a PPL constraint system.
3143         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3144         (build_loop_iteration_domains): Use PPL functions.
3145         * graphite.h: Include graphite-ppl.h.  Fix comments.
3146         (graphite_bb): Use a ppl_Constraint_System_t instead of
3147         CloogMatrix for representing the domain.
3148         (scop): Remove static_schedule.
3149         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3150
3151 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * graphite.c: Fix some comments.
3154
3155 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         PR middle-end/38953
3158         * graphite.c (if_region_set_false_region): After moving a region
3159         in the false branch of a condition, remove the empty dummy
3160         basic block.
3161         (gloog): Remove wrong fix for PR38953.
3162
3163 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3164
3165         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3166         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3167         register_bb_in_sese, new_sese, free_sese): Moved.
3168         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3169         outermost_loop_in_scop, build_scop_iteration_domain,
3170         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3171         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3172         Use loop_in_sese_p instead of loop_in_scop_p.
3173         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3174         (free_scop): Do not free SCOP_BBS_B.
3175         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3176         ref_nb_loops): Moved here...
3177         * graphite.h (ref_nb_loops): ... from here.
3178         (struct scop): Remove bbs_b bitmap.
3179         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3180         * testsuite/gcc.dg/graphite/scop-19.c: New
3181
3182 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3183
3184         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3185         detection.
3186
3187 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3188
3189         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3190         eq_loop_to_cloog_loop): Remove.
3191         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3192         * graphite.h (struct scop): Remove loop2cloog_loop.
3193         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3194
3195 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3196
3197         * opts.c (decode_options): Only add graphite options to O2
3198         if we compile with graphite enabled.
3199
3200 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * Merge from mainline (r143163:143684).
3203
3204 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * graphite.c (debug_value): Removed.
3207         * graphite.h (debug_value): Removed.
3208
3209 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3210
3211         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3212         after graphite: pass_copy_prop does not maintain a proper loop closed
3213         SSA form.  pass_copy_prop should be fixed.
3214
3215 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3218
3219 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3222         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3223         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3224         changed the CFG.
3225
3226 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite.c (gloog): Return true when code gen succeeded.
3229         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3230         the code of the function did not changed.  After cleanup_tree_cfg
3231         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3232         form.
3233
3234 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3237         gimple_call_lhs is NULL.
3238
3239 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3240             Tobias Grosser  <tobi.grosser@amd.com>
3241
3242         * graphite.c (graphite_trans_scop_block): Do not block single
3243         nested loops.
3244
3245 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3246             Tobias Grosser  <tobi.grosser@amd.com>
3247
3248         * graphite.c (build_scop_canonical_schedules): Start schedules at
3249         zero.
3250
3251 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3252             Tobias Grosser  <tobi.grosser@amd.com>
3253
3254         * graphite.c (compare_prefix_loops): New.
3255         (build_scop_canonical_schedules): Rewritten.
3256         (graphite_transform_loops): Move build_scop_canonical_schedules
3257         after build_scop_iteration_domain.
3258
3259 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3260             Tobias Grosser  <tobi.grosser@amd.com>
3261
3262         * graphite.c (add_conditions_to_domain): Add the loops to
3263         the dimension of the iteration domain.  Do copy the domain
3264         only when it exists.
3265         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3266         (add_conditions_to_constraints): New.
3267         (can_generate_code_stmt, can_generate_code): Removed.
3268         (gloog): Do not call can_generate_code.
3269         (graphite_transform_loops): Call add_conditions_to_constraints
3270         after building the iteration domain.
3271
3272 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3273             Tobias Grosser  <tobi.grosser@amd.com>
3274             Jan Sjodin  <jan.sjodin@amd.com>
3275
3276         * graphite.c (scan_tree_for_params): On substractions negate
3277         all the coefficients of the term.
3278         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3279         of more than two operands.
3280         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3281         (get_vdef_before_scop): Handle also the case of default definitions.
3282
3283 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         PR middle-end/38431
3286         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3287         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3288         (gloog): Do not call cleanup_tree_cfg.
3289         (graphite_transform_loops): Call cleanup_tree_cfg after all
3290         scops have been code generated.
3291
3292 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3293
3294         * passes.c (init_optimization_passes): Schedule after
3295         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3296
3297 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3298
3299         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3300         Fix comment.
3301         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3302         Set the type of an expression to the type of its assign statement.
3303         (expand_scalar_variables_expr):  Do not pass loop_p.
3304         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3305         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3306         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3307
3308 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3309
3310         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3311         an expression to the gimple_expr_type of its assign statement.
3312         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3313         or tcc_declaration.
3314
3315 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         PR tree-optimization/38786
3318         * testsuite/gcc.dg/graphite/pr38786.c: New.
3319         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3320         the SSA_NAME case of expand_scalar_variables_expr.
3321         (expand_scalar_variables_expr): Also gather the scalar computation
3322         used to index the memory access.
3323         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3324         the gimple_stmt_iterator where it inserts new code.
3325
3326 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3329
3330 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3331
3332         * opts.c (decode_options): Enable flag_graphite_identity and
3333         flag_loop_block in -O2 and above.
3334
3335 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3336
3337         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3338         Fix merge problem: replace with the file from trunk.
3339
3340 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3341
3342         * Merge from mainline (r141727:143163).
3343
3344 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3345             Jan Sjodin  <jan.sjodin@amd.com>
3346
3347         PR tree-optimization/38559
3348         * testsuite/gcc.dg/graphite/pr38559.c: New.
3349
3350         * graphite.c (debug_value, copy_constraint,
3351         swap_constraint_variables, scale_constraint_variable, ): New.
3352         (get_lower_bound, get_upper_bound): Removed.
3353         (graphite_trans_bb_strip_mine): Clean up this code that works
3354         only for constant number of iterations.  Fully copy upper and
3355         lower bound constraints, not only the constant part of them.
3356         * graphite.h (debug_value): Declared.
3357
3358 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3359
3360         PR tree-optimization/38492
3361         PR tree-optimization/38498
3362         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3363         * tree-chrec.h (scev_is_linear_expression): Declared.
3364         * graphite.c (graphite_cannot_represent_loop_niter): New.
3365         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3366         (graphite_loop_normal_form): Use gcc_assert.
3367         (scan_tree_for_params): Use CASE_CONVERT.
3368         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3369         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3370         Use gcc_assert.  Discard scops that contain unhandled cases.
3371         (build_scop_conditions): Return a boolean status for unhandled cases.
3372         (strip_mine_profitable_p): Print the loop number, not its depth.
3373         (is_interchange_valid): Pass the depth of the loop nest, don't
3374         recompute it wrongly.
3375         (graphite_trans_bb_block): Same.
3376         (graphite_trans_bb_block): Print tentative of loop blocking.
3377         (graphite_trans_scop_block): Do not print that the loop has been
3378         blocked.
3379         (graphite_transform_loops): Do not handle scops that contain condition
3380         scalar phi nodes.
3381
3382         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3383         in trunk.
3384         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3385         * testsuite/gcc.dg/graphite/block-1.c: Same.
3386         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3387         blocking.
3388         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3389         * testsuite/gcc.dg/graphite/block-3.c: New.
3390         * testsuite/gcc.dg/graphite/pr38498.c: New.
3391
3392 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3393
3394         PR tree-optimization/38510
3395         * gcc.dg/graphite/pr38510.c: New.
3396         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3397           (translate_clast): Call recompute_all_dominators before
3398           graphite_verify.
3399           (gloog): Call recompute_all_dominators before graphite_verify.
3400
3401 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3402
3403         PR tree-optimization/38492
3404         * graphite.c (rename_map_elt, debug_rename_elt,
3405         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3406         rename_map_elt_info, eq_rename_map_elts,
3407         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3408         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3409         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3410         (sese_build_livein_liveouts): New.
3411         (new_sese, free_sese): New.
3412         (new_scop): Call new_sese.
3413         (free_scop): Call free_sese.
3414         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3415         (register_old_new_names): Renamed register_old_and_new_names.
3416         (register_scop_liveout_renames, add_loop_exit_phis,
3417         insert_loop_close_phis, struct igp,
3418         default_liveout_before_guard, add_guard_exit_phis,
3419         insert_guard_phis, copy_renames): New.
3420         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3421         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3422         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3423         (scop_adjust_phis_for_liveouts): New.
3424         (gloog): Call scop_adjust_phis_for_liveouts.
3425
3426         * graphite.h (struct sese): Documented.  Added fields liveout,
3427         num_ver and livein.
3428         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3429         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3430         (struct scop): Added field liveout_renames.
3431         (SCOP_LIVEOUT_RENAMES): New.
3432
3433 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3434
3435         PR tree-optimization/38409
3436         * gcc.dg/graphite/pr38409.c: New.
3437         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3438
3439 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * graphite.c (gcc_type_for_cloog_iv): By default return
3442         integer_type_node.
3443         (graphite_create_new_loop): Don't fold_convert the already
3444         fold_convert-ed expression.
3445
3446 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3447
3448         PR tree-optimization/38446
3449         * gcc.dg/graphite/pr38446.c: New.
3450         * graphite.c (register_bb_in_sese): New.
3451         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3452         looking at the bbs in the region.
3453         * graphite.h (sese): Add region_basic_blocks pointer set to
3454         structure and initialize at the time of defining new scop.
3455
3456 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3457
3458         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3459         (find_params_in_bb): Do not free data refs.
3460         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3461
3462 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3463
3464         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3465         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3466         * testsuite/gcc.dg/graphite/block-5.c: New.
3467         * testsuite/gcc.dg/graphite/block-6.c: New.
3468         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3469         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3470         * testsuite/gcc.dg/graphite/block-2.c: Same.
3471
3472         * graphite.c (struct ivtype_map_elt): New.
3473         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3474         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3475         gcc_type_for_cloog_iv): New.
3476         (loop_iv_stack_patch_for_consts): Use the type of the induction
3477         variable from the original loop, except for the automatically
3478         generated loops, i.e., in the case of a strip-mined loop, in
3479         which case there is no original loop: in that case just use
3480         integer_type_node.
3481         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3482         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3483         (clast_name_to_gcc): Accept params to be NULL.
3484         (clast_to_gcc_expression): Take an extra parameter for the type.
3485         Convert to that type all the expressions built by this function.
3486         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3487         (graphite_translate_clast_equation): Compute the type of the
3488         clast_equation before translating its LHS and RHS.
3489         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3490         (graphite_create_new_loop): Compute the type of the induction
3491         variable before translating the lower and upper bounds and before
3492         creating the induction variable.
3493         (rename_variables_from_edge, rename_phis_end_scop): New.
3494         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3495         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3496         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3497         compute_cloog_iv_types): New.
3498         (gloog): Call compute_cloog_iv_types before starting the
3499         translation of the clast.
3500
3501         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3502         (GBB_CLOOG_IV_TYPES): New.
3503         (debug_ivtype_map): Declared.
3504         (oldiv_for_loop): New.
3505
3506 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3507
3508         PR middle-end/38459
3509         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3510         (param_index): Assert if parameter is not know after parameter
3511         detection.
3512         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3513         (find_scop_parameters): Mark, that we have finished parameter
3514         detection.
3515         (graphite_transform_loops): Move condition detection before parameter
3516         detection.
3517         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3518         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3519
3520 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3521
3522         * graphite.c (graphite_transform_loops): Always call find_transform ()
3523         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3524         generate code.
3525
3526 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3527
3528         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3529         (print_scop): Ditto.
3530
3531 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3532
3533         PR middle-end/38084
3534         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3535         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3536         regions more than once.
3537
3538 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3539
3540         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3541         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3542         when not needed.
3543
3544 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3547         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3548         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3549         (max_precision_type): New.
3550         (value_clast): Removed.
3551         (clast_to_gcc_expression): Be more careful to types of expressions.
3552         Use max_precision_type and update use of gmp_cst_to_tree.
3553         (graphite_translate_clast_equation): Use max_precision_type.
3554         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3555         use the type of the condition.
3556         (graphite_create_new_loop): Do not use integer_type_node, use the
3557         max_precision_type of lb and ub.
3558
3559 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3560
3561         * graphite.c (build_scops_1): Initialize open_scop.exit
3562         and sinfo.last.
3563
3564 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         * testsuite/gcc.dg/graphite/pr38084.c: New.
3567         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3568         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3569         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3570         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3571         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3572
3573 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3574             Jan Sjodin  <jan.sjodin@amd.com>
3575             Harsha Jagasia  <harsha.jagasia@amd.com>
3576
3577         PR middle-end/37852
3578         PR middle-end/37883
3579         PR middle-end/37928
3580         PR middle-end/37980
3581         PR middle-end/38038
3582         PR middle-end/38039
3583         PR middle-end/38073
3584         PR middle-end/38083
3585         PR middle-end/38125
3586
3587         * testsuite/gcc.dg/graphite/pr38073.c: New.
3588         * testsuite/gcc.dg/graphite/pr37928.c: New.
3589         * testsuite/gcc.dg/graphite/pr37883.c: New.
3590         * testsuite/gcc.dg/graphite/pr38125.c: New.
3591         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3592         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3593         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3594
3595         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3596         the number of detected scops.  Copy exact same test for loop
3597         blocking...
3598         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3599         loops to be blocked as reductions are not handled.
3600         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3601
3602         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3603         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3604         ...here.
3605         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3606         * Makefile.in (graphite.o): Depend on value-prof.h.
3607         (graphite.o-warn): Removed -Wno-error.
3608         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3609         to be a NULL pointer.  Call update_stmt.  Return the newly created
3610         cannonical induction variable.
3611
3612         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3613
3614         * graphite.c: Reimplement the code generation from graphite to gimple.
3615         Include value-prof.h.
3616         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3617         (get_old_iv_from_ssa_name): Removed.
3618         (graphite_stmt_p): New.
3619         (new_graphite_bb): Test for useful statements before building a
3620         graphite statement for the basic block.
3621         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3622         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3623         reason.
3624         (recompute_all_dominators, graphite_verify,
3625         nb_reductions_in_loop, graphite_loop_normal_form): New.
3626         (scop_record_loop): Call graphite_loop_normal_form.
3627         (build_scop_loop_nests): Iterate over all the blocks of the
3628         function instead of relying on the incomplete information from
3629         SCOP_BBS.  Return the success of the operation.
3630         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3631         (add_bb_domains): Removed.
3632         (build_loop_iteration_domains): Don't call add_bb_domains.
3633         Add the iteration domain only to the basic blocks that have been
3634         translated to graphite.
3635         (build_scop_conditions_1): Add constraints only if the basic
3636         block have been translated to graphite.
3637         (build_scop_data_accesses): Completely disabled until data
3638         dependence is correctly implemented.
3639         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3640         (remove_all_edges_1, remove_all_edges): Removed.
3641         (get_new_name_from_old_name): New.
3642         (graphite_rename_variables_in_stmt): Renamed
3643         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3644         Use replace_exp and update_stmt.
3645         (is_old_iv): Renamed is_iv.
3646         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3647         Use replace_exp and update_stmt.
3648         (expand_scalar_variables_expr): Same.  Use the map to get the
3649         new names for the renaming of induction variables and for the
3650         renaming of variables after a basic block has been copied.
3651         (expand_scalar_variables): Same.
3652         (graphite_rename_variables): Renamed rename_variables.
3653         (move_phi_nodes): Removed.
3654         (get_false_edge_from_guard_bb): New.
3655         (build_iv_mapping): Do not insert the induction variable of a
3656         loop in the renaming iv map if the basic block does not belong
3657         to that loop.
3658         (register_old_new_names, graphite_copy_stmts_from_block,
3659         copy_bb_and_scalar_dependences): New.
3660         (translate_clast): Heavily reimplemented: copy basic blocks,
3661         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3662         At each translation step call graphite_verify ensuring the
3663         consistency of the SSA, loops and dominators information.
3664         (collect_virtual_phis, find_vdef_for_var_in_bb,
3665         find_vdef_for_var_1, find_vdef_for_var,
3666         patch_phis_for_virtual_defs): Removed huge hack.
3667         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3668         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3669         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3670         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3671         if_region_get_condition_block, if_region_set_false_region,
3672         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3673         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3674         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3675         rewrite_into_sese_closed_ssa): New.
3676         (gloog): Remove dead code.  Early return if code cannot be
3677         generated.  Call cleanup_tree_cfg once the scop has been code
3678         generated.
3679         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3680         block loops with less than two loops.
3681         (graphite_apply_transformations): Remove the call to
3682         scop_remove_ignoreable_gbbs.
3683         (limit_scops): When build_scop_loop_nests fails, continue on
3684         the next scop.  Fix open_scop.entry.
3685         (graphite_transform_loops): Call recompute_all_dominators: force the
3686         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3687         Call initialize_original_copy_tables and free_original_copy_tables
3688         to be able to copy basic blocks during code generation.
3689         When build_scop_loop_nests fails, continue on next scop.
3690         (value_clast): New union.
3691         (clast_to_gcc_expression): Fix type cast warning.
3692
3693 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3694
3695         * Merge from mainline (r140838:141727).
3696
3697 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3698
3699         PR middle-end/37833
3700
3701         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3702
3703 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3704
3705         PR middle-end/37943
3706
3707         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3708         exits and conditions.
3709         * testsuite/gcc.dg/graphite/pr37943.c: New.
3710
3711 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3712
3713         PR middle-end/37886
3714         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3715
3716 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3717
3718         * doc/invoke.texi: Fix spaces.
3719
3720 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3721
3722         PR tree-optimization/37891
3723         Reverted last commit.
3724         * graphite.c (create_single_entry_edge): Set
3725         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3726
3727 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3728             Mitul Thakkar  <mitul.thakkar@amd.com>
3729
3730         * graphite.c (create_single_entry_edge): Set
3731         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3732
3733 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3734
3735         * doc/invoke.texi: Add -fgraphite-identity.
3736         * graphite.c (graphite_apply_transformations): Check for
3737         -fgraphite-identity.
3738         * toplev.c (process_options): Add flag_graphite_identity.
3739         * tree-ssa-loop.c: Add flag_graphite_identity.
3740
3741 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3742
3743         Undo changes from 2008-10-02:
3744         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3745         operand type when copying the operand to a variable of different type.
3746         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3747         with the IV name after increment.
3748
3749 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3750             Harsha Jagasia  <harsha.jagasia@amd.com>
3751
3752         PR tree-optimization/37828
3753         * testsuite/gcc.dg/graphite/pr37828.c: New.
3754         * graphite.c (graphite_trans_loop_block): Do not loop block
3755         single nested loops.
3756
3757 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3758             Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3761         rename_map_elt_info, eq_rename_map_elts): New.
3762         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3763         (expand_scalar_variables_expr): Change parameters.
3764         (expand_scalar_variables_stmt): Same.
3765         (expand_scalar_variables): Same.
3766         (graphite_rename_ivs): Rename graphite_rename_variables.
3767         (build_iv_mapping): New.
3768         (translate_clast): Call build_iv_mapping.
3769         * graphite.h (gbb_p): New name.
3770
3771 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3772
3773         PR tree-optimization/37684
3774         * gcc.dg/graphite/pr37684.c: New.
3775         * graphite.c (exclude_component_ref): New.
3776         (is_simple_operand): Call exclude_component_ref.
3777
3778 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3779             Harsha Jagasia  <harsha.jagasia@amd.com>
3780
3781         PR tree-optimization/37485
3782         * gcc.dg/graphite/block-2.c: New
3783         * graphite.c (gmp_cst_to_tree): Moved.
3784         (iv_stack_entry_is_constant): New.
3785         (iv_stack_entry_is_iv): New.
3786         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3787         (loop_iv_stack_insert_constant): New.
3788         (loop_iv_stack_pop): Use new datatpype.
3789         (loop_iv_stack_get_iv): Same.
3790         (loop_iv_stack_get_iv_from_name): Same.
3791         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3792         (loop_iv_stack_patch_for_consts): New.
3793         (loop_iv_stack_remove_constants): New.
3794         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3795         (translate_clast): Call loop_iv_stack_patch_for_consts and
3796         loop_iv_stack_remove_constants.
3797         (gloog): Use new datatype.  Redirect construction edge to end
3798         block to avoid accidental deletion.
3799         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3800         iv stack entry.
3801         (union iv_stack_entry_data): New.  Data in iv stack entry.
3802         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3803
3804 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3805
3806         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3807         operand type when copying the operand to a variable of different type.
3808
3809 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3810
3811         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3812         with the IV name after increment.
3813
3814 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3815
3816         * Merge from mainline (r140164:140838).
3817
3818 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3819
3820         * graphite-data-ref.c: New.
3821         * graphite.c (print_scop): Also dump the dependence graph.
3822         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3823         (new_scop): Initialize SCOP_DEP_GRAPH.
3824         (build_scop_dynamic_schedules): New.
3825         (build_access_matrix_with_af): Fixed column numbering.
3826         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3827         * graphite.h: Add ifndef/define guards against multiple inclusion.
3828         (struct scop): Add dep_graph field.
3829         (SCOP_DEP_GRAPH): Defined.
3830         (ref_nb_loops): Fixed and moved to other position.
3831         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3832         (nb_loops_around_loop_in_scop): New.
3833         (graphite_dump_dependence_graph): Declared.
3834         (graphite_build_rdg_all_levels): Declared.
3835         (graphite_test_dependence): Declared.
3836         * Makefile.in (graphite-data-ref.o): New target.
3837
3838 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3839
3840         * Merge from mainline (139870:140164).
3841
3842 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3843
3844         * Merge from mainline (138275:139870).
3845         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3846         the commits from trunk broke the niter detection.
3847
3848 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         * graphite.c: Add more documentation.  Fix formatting.
3851         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3852         loop_iv_stack_debug): Moved...
3853         (schedule_to_scattering): Move before use.
3854         (dot_all_scops): Include in "#if 0" the code for system
3855         call dotty.
3856
3857         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3858         loop_iv_stack_debug): ...here.
3859
3860 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3861
3862         * tree-phinodes.c (make_phi_node): Extern.
3863         (add_phi_node_to_bb): New.
3864         (create_phi_node): Call add_phi_node_to_bb.
3865         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3866         (remove_statement): Handle case where stored phi was updated
3867         and is no longer the same.
3868         * graphite.c (is_parameter): New.
3869         (is_old_iv): New.
3870         (expand_scalar_variables_expr): New.
3871         (expand_scalar_variables_stmt): New.
3872         (expand_scalar_variables): New.
3873         (move_phi_nodes): Create new phi instead of moving old one.
3874         (translate_clast): Call expand_scalar_variables.
3875         (find_vdef_for_var_in_bb): Also scan regular definitions.
3876         (skip_phi_defs): New.
3877         (collect_scop_exit_phi_args): New.
3878         (patch_scop_exit_phi_args): New.
3879         (gloog): Patch phis after scop.
3880         * tree-flow.h: (add_phi_node_to_bb): Declared.
3881         (make_phi_node): Declared.
3882
3883 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c (end_scop): Split the entry of the scop when it
3886         is the header of the loop in which the scop is ending.
3887         (build_scops_1, limit_scops): Update uses of end_scop.
3888
3889 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3892         SCOP_ENTRY or SCOP_EXIT.
3893
3894 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite.c (get_construction_edge): Removed.
3897         (gloog): Construction edge is the scop entry edge.
3898
3899 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite.c (can_generate_for_scop): Removed.
3902         (gloog): Do not call it.
3903
3904 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite.c (new_scop): Entry of a scop is an edge.
3907         Initialize SESE region.
3908         (free_scop): Free SESE region.
3909         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
3910         (split_difficult_bb): New, split from end_scop.
3911         (end_scop): Exit of a scop is an edge.
3912         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
3913         not automatically updated and thus is always wrong.
3914         * graphite.h (struct sese): New.
3915         (SESE_ENTRY): New.
3916         (SESE_EXIT): New.
3917         (struct scop): New field for a SESE region.  Remove entry, exit.
3918         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
3919         semantics as before.  Moved comment around.
3920
3921 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3922             Sebastian Pop  <sebastian.pop@amd.com>
3923
3924         * graphite.c (graphite_transform_loops): Always enable gloog
3925         and find_transform when ENABLE_CHECKING.
3926
3927 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3928
3929         * graphite.c (graphite_transform_loops): Move pretty printer
3930         of SCOPs before doing any transform.  Remove call to print_scops
3931         and dot_all_scops_1.
3932
3933 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3934
3935         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
3936         (print_graphite_bb): Same.
3937
3938 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3939
3940         * graphite.c (dot_all_scops_1): Cleanup.
3941         (move_scops): Fix comment.
3942
3943 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3944
3945         * graphite.c (build_scop_bbs): Revert commit 139355:
3946
3947         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
3948                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3949
3950                 * graphite.c (build_scop_bbs): Factor up code.
3951
3952 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3953
3954         * graphite.c (gloog): Update dominator info.
3955
3956 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3957
3958         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
3959
3960 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3961
3962         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
3963         initialization.
3964         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
3965         (translate_clast): Correct formatting.
3966         * graphite.h (struct num_map): Removed.
3967         (struct graphite_bb): Remove num_map field.
3968         (GBB_INDEX_TO_NUM_MAP): Removed.
3969
3970 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3971
3972         * graphite.c (build_access_matrix_with_af): Fix comments.
3973         (build_scop_data_accesses): Same.
3974
3975 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3976
3977         * graphite.c (build_scop_data_accesses): Don't construct
3978         access matrices.  Add a FIXME and an assert condition that
3979         should pass when the access matrices will be needed.
3980
3981 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
3982
3983         * tree-data-ref.c (stmt_simple_memref_p): Don't call
3984         really_constant_p.
3985         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
3986         Moved close by free_graphite_bb.
3987         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
3988         (new_scop): Move close by free_scop.
3989         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
3990
3991 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
3992
3993         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
3994         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
3995         instead of recursive call.
3996         (graphite_translate_clast_equation): New.
3997         (graphite_create_guard_cond_expr): New.
3998         (graphite_create_new_guard): New.
3999         (get_stack_index_from_iv): Removed.
4000         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4001         (get_true_edge_from_guard_bb): New.
4002         (translate_clast): Handle stmt_guard in clast.
4003         (get_construction_edge): Allow construction edge detection for
4004         a scope entry with multiple predecessors if one predecessor is
4005         the immediate dominator of scope entry.
4006         (can_generate_code_stmt): Enable code generation for clast_guard.
4007         (gloog): Use correct context loop.  Removed check for post dominators.
4008         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4009
4010 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4011
4012         * graphite.c (remove_dead_loops): Document better which
4013         loops are removed.
4014
4015 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4016
4017         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4018         and PPLINC.
4019         (graphite.o): Also depends on pointer-set.h.
4020
4021 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4022
4023         * graphite.c (scop_record_loop): Fix compile warning.
4024
4025 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4026             Sebastian Pop  <sebastian.pop@amd.com>
4027
4028         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4029
4030 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4031
4032         * graphite.c (build_graphite_bb): Initialize bb->aux to
4033         point to the graphite_bb_p.
4034         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4035         content of bb->aux.
4036         (add_bb_domains): Does not use the scop parameter.
4037         (graphite_transform_loops): Clean bb->aux at the end.
4038
4039 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4040             Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         * testsuite/lib/target-supports.exp
4043         (check_effective_target_fgraphite): New.
4044
4045         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4046         check_effective_target_fgraphite returns false.
4047         Set dg-do-what-default to compile.
4048         (scan-graphite-dump-times): Removed.
4049         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4050
4051         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4052         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4053         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4054         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4055         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4056         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4057         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4058         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4059         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4060         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4061         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4062         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4063         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4064         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4065         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4066         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4067         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4068         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4069         * testsuite/gcc.dg/graphite/block-0.c: Same.
4070         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4071         * testsuite/gcc.dg/graphite/block-1.c: Same.
4072         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4073         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4074         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4075         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4076         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4077
4078 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4079
4080         * graphite.c: Fix some XXX comments.
4081         (build_scop_dynamic_schedules): Removed.
4082
4083 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4084
4085         * graphite.h (scop_max_loop_depth): Moved...
4086         * graphite.c (scop_max_loop_depth): ...here.
4087         (remove_all_edges_1): New.
4088         (remove_all_edges): Factored code.
4089         (remove_cond_exprs): Check only the last statement for
4090         a GIMPLE_COND expression.
4091
4092 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4093
4094         * graphite.c (scan_tree_for_params): Early return when the
4095         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4096         (find_scop_parameters): Factor out code.
4097         (graphite_trans_bb_strip_mine): Remove dead code.
4098
4099 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4100
4101         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4102         graphite_trans_bb_move_loop): Factor asserts.
4103         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4104         Do not call calculate_dominance_info and estimate_bb_frequencies.
4105
4106 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4107
4108         * graphite.c (create_loops_mapping, free_loops_mapping,
4109         create_loops_mapping_num, debug_loop_mapping_1,
4110         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4111         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4112         graphite_loops_mapping_add_child_num,
4113         graphite_loops_mapping_insert_child,
4114         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4115         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4116         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4117         create_num_from_index, get_num_from_index,
4118         swap_loop_mapped_depth): Removed.
4119         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4120         (free_scop): Do not call free_loops_mapping.
4121         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4122         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4123         get_loop_mapped_depth.
4124         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4125         (graphite_trans_bb_strip_mine): Same.
4126         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4127         (struct scop): Remove field loops_mapping.
4128
4129 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4130             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4131
4132         * graphite.c (scop_record_loop): Factor out one level of the
4133         condition by early return.
4134         (build_scop_loop_nests): Format following FSF coding style.
4135         (build_scop_dynamic_schedules): Factor out code.
4136         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4137
4138 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4139             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4140
4141         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4142         assignments that are not handled as simple operands for now.
4143
4144 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4145             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4146
4147         * graphite.c (build_scop_bbs): Factor up code.
4148
4149 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4150             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4151
4152         * graphite.c (stmt_simple_for_scop_p): Factor code out
4153         of the loop.
4154         (enum gbb_type): New.  Group all the GBB_* types under it.
4155         (is_loop_exit): Moved...
4156         (end_scop): Enable BB spliting.
4157         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4158         * cfgloop.h (is_loop_exit): Declared.
4159
4160 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4161
4162         * doc/invoke.texi: Remove strides from examples containing
4163         DO loops when the strides are equal to 1.
4164
4165 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4166             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4167
4168         * graphite.c (graphite_trans_scop_block): Or the result with
4169         the result from graphite_trans_loop_block.
4170         * testsuite/gcc.dg/graphite/block-1.c: New.
4171         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4172         * testsuite/gfortran.dg/graphite/block-2.f: New.
4173
4174 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4175
4176         * graphite.c (graphite_transform_loops): Call cloog_initialize
4177         and cloog_finalize.
4178
4179 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4180
4181         * tree-data-ref.c) (stmt_simple_memref_p): New.
4182         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4183         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4184         (is_simple_operand): Call stmt_simple_memref_p.
4185
4186         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4187         using pointer arithmetic, as this is optimized by PRE and
4188         makes the code too difficult to analyze.
4189
4190         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4191
4192 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4193
4194         * gdbinit.in (pgg): New.
4195
4196 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4197
4198         * graphite.c (graphite_trans_loop_block): Fix warning.
4199
4200 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4201
4202         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4203
4204 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4205
4206         * graphite.c (graphite_trans_bb_block): Remove check for
4207         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4208         Check if loop blocking is profitable for every loop, before applying
4209         the changes.
4210         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4211         if flag_loop_block is set.
4212
4213 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4214
4215         * graphite.c: Add some more documentation for the loop
4216         mapping.
4217
4218 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4219
4220         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4221         * graphite.c: Format on less than 80 columns.
4222         * graphite.h: Same.
4223
4224 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4225
4226         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4227
4228 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4229
4230         * doc/invoke.texi (floop-block, floop-strip-mine,
4231         floop-interchange): Update documentation with examples.
4232
4233 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4234
4235         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4236         add_referenced_var.
4237         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4238
4239 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4240
4241         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4242         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4243         * tree-scalar-evolution.c: Revert useless changes.
4244         * tree-phinodes.c: Same.
4245         * cfghooks.c: Same.
4246         * vec.h: Same.
4247         * tree-vectorizer.h: Same.
4248         * tree-flow.h: Same.
4249         * tree-cfg.c: Same.
4250         * common.opt (fgraphite): Update documentation.
4251
4252 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4253
4254         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4255         -floop-interchange): Add more text for explaining what each of these
4256         flags is doing.
4257         * tree-into-ssa.c (gimple_vec): Moved to...
4258         * graphite.c: Include gimple.h.
4259         (gimple_vec): Moved to...
4260         (del_loop_to_cloog_loop): Removed.
4261         (loop_affine_expr): Do not call create_data_ref when the
4262         operand is a constant.
4263         (new_scop): Use free instead of del_loop_to_cloog_loop.
4264         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4265         * gimple.h (gimple_vec): ... here.
4266
4267 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4268
4269         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4270         latch executions.
4271         (build_loop_iteration_domains): Fail, if latch executions unknown.
4272
4273 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4274
4275         * graphite.c (add_conditions_to_domain): New.
4276         (build_scop_conditions_1): Call add_conditions_to_domain.
4277         (set_cloog_options): Allow to disable optimizations.
4278
4279 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4280
4281         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4282         Do not use walk_dominator_tree.
4283         (find_scop_parameters): Do not use walk_dominator_tree.
4284
4285 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4286
4287         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4288         (idx_record_params): Adapt.
4289         * graphite.h (scop_gimple_loop_depth): New.
4290
4291 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4292
4293         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4294         (scan_tree_for_params): Remove value_init.
4295         (build_scop_context): Remove value_init.
4296         (build_loop_iteration_domains): Remove value_init.
4297         (schedule_to_scattering): Remove value_init.
4298         (graphite_trans_bb_strip_mine): Remove value_init.
4299
4300 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4301
4302         * gcc/graphite.c (limit_scops): New.
4303         (graphite_transform_loops): Add limit SCoPs.
4304         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4305         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4306         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4307         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4308         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4309         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4310         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4311         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4312         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4313         Change loop numbers.
4314         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4315         Change loop numbers.
4316         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4317         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4318         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4319         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4320         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4321         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4322         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4323         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4324         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4325         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4326
4327 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4328
4329         * graphite.c (graphite_transform_loops): Call always find_transform.
4330
4331 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4332
4333         * graphite.c (free_loops_mapping): New.
4334         (stmt_simple_for_scop_p): Fix typo.
4335         (stmt_simple_for_scop_p): Fix tuples functions, that
4336         broke polyhedron.
4337         (free_graphite_bb): Fix some memleaks.
4338         (free_scop): Fix some memleaks.
4339         (scopdet_bb_info): Do not forget some tmp SCoPs.
4340         (find_params_in_bb): Fix some memleaks.
4341         (clast_to_gcc_expression): Fix warning.
4342
4343 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4344
4345         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4346         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4347
4348 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4351         Move code ifdef-ed HAVE_cloog...
4352         * graphite.c: Include toplev.h.
4353         ... here.
4354         * Makefile.in (OBJS-common): Always build graphite.o.
4355         (BACKEND): Remove @GRAPHITE@.
4356         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4357         (graphite.o): Depend on TOPLEV_H.
4358
4359 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4360
4361         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4362         Remove typo left from polylib to ppl conversion.
4363         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4364
4365 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4366
4367         * toplev.c (process_options): Move the graphite loop optimization
4368         flags...
4369         * tree-ssa-loop.c (graphite_transforms): ... here.
4370         When not configured with CLooG, print to dump_file that
4371         Graphite transforms were not performed.
4372         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4373         New.
4374         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4375         scan-graphite-dump-times.
4376
4377 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4378
4379         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4380         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4381
4382 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4383             Jan Sjodin  <jan.sjodin@amd.com>
4384
4385         * configure: Regenerated.
4386         * omp-low.c (expand_omp_sections): Remove now unused code.
4387         * config.in (HAVE_polylib): Removed.
4388         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4389         (PPLLIBS, PPLINC): Added.
4390         * graphite.c: Replace unsigned with int wherever possible.
4391         Don't access Cloog's data structures, but use accessor functions.
4392         Clast's stmt->type is now implemented as a vtable: change the
4393         switches of stmt->type into ifs.
4394         (polylib/polylibgmp.h): Don't include.
4395         (initialize_dependence_polyhedron,
4396         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4397         statement_precedes_p, test_dependence, build_rdg_all_levels,
4398         dump_dependence_graph): Removed until this code is cleaned up
4399         or ported to Cloog.
4400         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4401         (POLYLIBINC): Renamed PPLINC.
4402
4403 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4404             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4405             Jan Sjodin  <jan.sjodin@amd.com>
4406
4407         Finish the merge and tuplification of graphite.
4408
4409 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4410             Jan Sjodin  <jan.sjodin@amd.com>
4411
4412         Partial merge from mainline (138072:138275).
4413         * graphite.c still has to be tuplified.
4414
4415 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4416
4417         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4418         (create_num_from_index): New.
4419         (get_num_from_index): Also pass in the graphite BB.
4420         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4421         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4422         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4423         (is_interchange_valid): Return false when failing.
4424         * graphite.h (struct num_map): New.
4425         (struct graphite_bb): New field num_map.
4426         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4427
4428 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4429
4430         * graphite.c (dump_gbb_conditions): Print also conditions like
4431         "if (a)".  Remove dublicated code and use print_generic_expr ().
4432         (stmt_simple_for_scop_p): Only allow conditions we can handle
4433         {<, <=, >, >=}.
4434
4435 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4436
4437         * graphite.h (struct scop): Removed new_ivs field.
4438         (SCOP_NEWIVS): Deleted.
4439         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4440         clast_to_gcc_expression, graphite_create_new_loop):
4441         Removed use of new_ivs.
4442
4443 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4444
4445         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4446         create_loops_mapping_num, debug_loop_mapping_1): New.
4447         (debug_loop_mapping): Call debug_loop_mapping_1.
4448         (get_loop_mapping_for_num,
4449         graphite_loops_mapping_add_child,
4450         graphite_loops_mapping_add_child_num,
4451         graphite_loops_mapping_insert_child,
4452         graphite_loops_mapping_parent,
4453         split_loop_mapped_depth_for_num,
4454         loop_mapped_depth_split_loop): New.
4455         (increment_loop_mapped_depths): Removed.
4456         (swap_loop_mapped_depth_for_num): Reimplemented.
4457         (new_scop): Call create_loops_mapping.
4458         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4459         (translate_clast): Pass the old loop father in parameter, and pass
4460         it to get_old_iv_from_ssa_name.
4461         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4462         can_generate_code, can_generate_for_scop): New.
4463         (graphite_trans_bb_block): Returns false when it fails to transform.
4464         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4465
4466 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         Reverted all the changes related to the streamization and
4469         loop fusion.
4470         These changes are now tracked in the streamization branch.
4471
4472 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4473             Jan Sjodin  <jan.sjodin@amd.com>
4474
4475         * graphite.c (gbb_compare): Correctly constify.
4476         (gbb_can_be_ignored): Indent.
4477         (graphite_trans_scop_swap_1and2): Add legality check.
4478         Remove dead FIXMEs.
4479
4480 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4481
4482         Remove fallouts from "Reverted the Condate changes".
4483         * tree.h: Remove unused decl.
4484         * testsuite/gcc.dg/tree-checker: Same.
4485         * timevar.def: Remove counter.
4486
4487 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4488
4489         * Merge from mainline (135673:138072).
4490
4491         Reverted the MIRO changes (from 2008-04-05) that are now
4492         tracked in the miro branch.
4493         * tree-bounds.c: Removed.
4494         * tree-bounds.h: Removed.
4495
4496         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4497         are now tracked in the condate branch.
4498         * tree-check.c: Removed.
4499         * tree-match.c: Removed.
4500         * condate.y: Removed.
4501
4502 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4503
4504         * common.opt: New user flag -floop-block, -floop-strip-mine
4505         and -floop-interchange.
4506         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4507         graphite loop optimization flags is turned on.
4508         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4509         flag_loop_strip_mine and flag_loop_interchange checks before
4510         optimizations.
4511         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4512         -floop-strip-mine and -floop-interchange.
4513         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4514         -fgraphite.
4515         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4516         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4517         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4518
4519 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4520             Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4523         (create_empty_loop_on_edge): More fixes.
4524         * tree-phinodes.c (resize_phi_node): Extern.
4525         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4526         * cfghooks.c (update_dominator_information): New split from
4527         split_edge.
4528         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4529         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4530         successor of the function entry block.
4531
4532         * graphite.c: Include pointer-set.h.
4533         (debug_loop_mapping, increment_loop_mapped_depths,
4534         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4535         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4536         swap_loop_mapped_depth_for_num, get_num_from_index,
4537         swap_loop_mapped_depth, loop_iv_stack_debug,
4538         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4539         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4540         get_old_iv_from_ssa_name): New.
4541         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4542         (free_scop): Free SCOP_LOOPS_MAPPING.
4543         (scop_record_loop): Record old ivs.
4544         (create_var_name): Removed.
4545         (initialize_cloog_names): Allocate double space in case strip mine
4546         applies to all loops once.
4547         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4548         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4549         translation.
4550         (graphite_create_new_loop): Pass in ivstack.
4551         (remove_all_edges): Pass in the construction_edge.
4552         (graphite_remove_iv): Removed.
4553         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4554         remove_cond_exprs): Rewritten.
4555         (move_phi_nodes): New.
4556         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4557         (translate_clast): Pass in ivstack.  Rewrite some cases.
4558         (set_cloog_options, debug_clast_stmt): New.
4559         (find_transform): Use set_cloog_options.
4560         (outermost_loop_layer): Removed.
4561         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4562         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4563         mark_old_loops, remove_dead_loops): New.
4564         (gloog): Rewritten.
4565         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4566         (const_column_index, get_first_matching_sign_row_index,
4567         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4568         get_upper_bound): New.
4569         (graphite_trans_bb_strip_mine): Also update the iv map.
4570
4571         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4572         (struct name_tree): Add a loop field.
4573         (struct scop): Add a graphite_loops_mapping field.
4574         (SCOP_LOOPS_MAPPING): New.
4575         (debug_clast_stmt): Declare.
4576         * lambda.h (find_induction_var_from_exit_cond): Declare.
4577         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4578         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4579         (create_empty_loop_on_edge): Updated.
4580         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4581         rename_variables_in_bb): Declare.
4582         * tree-cfg.c (remove_bb): Extern.
4583
4584         * testsuite/gcc.dg/graphite/block-0.c: New.
4585
4586 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4587             Sebastian Pop  <sebastian.pop@amd.com>
4588
4589         * graphite.c (strip_mine_profitable_p): New.
4590         (graphite_trans_bb_block): Disable strip mining if not profitable.
4591
4592         * testsuite/gcc.dg/graphite/scop-18.c: New.
4593         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4594         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4595
4596 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4597             Jan Sjodin  <jan.sjodin@amd.com>
4598             Sebastian Pop  <sebastian.pop@amd.com>
4599
4600         * graphite.c (is_interchange_valid): New.
4601         (graphite_trans_bb_block): Check loop nest of basic block for legality
4602         of interchange.
4603
4604         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4605         outer_most_loop, gbb_outer_most_loop_index): New.
4606
4607         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4608         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4609         * testsuite/gcc.dg/graphite/scop-16.c: New.
4610         * testsuite/gcc.dg/graphite/scop-17.c: New.
4611
4612 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4613
4614         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4615         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4616
4617 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4618
4619         * graphite.c (new_scop): Initialize SCOP_EXIT.
4620         (scopdet_info): Add.
4621         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4622         (build_scops_1): Cleanup, bugfixes.
4623         (build_scops): Cleanup.
4624
4625         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4626         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4627
4628 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4629
4630         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4631
4632         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4633         DEFAULT_GRAPHITE_FLAGS.
4634
4635         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4636
4637 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4638
4639         * graphite.c (scan_tree_for_params): Do not assert any more if
4640         MULT_EXPR parameter is negative.
4641
4642         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4643
4644         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4645
4646         * testsuite/gcc.dg/graphite/scop-15.c: New.
4647
4648 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4649
4650         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4651
4652 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4653
4654         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4655         graphite_swap_loops.
4656         (graphite_trans_bb_move_loop): New.
4657         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4658         (graphite_trans_bb_block): New.
4659         (graphite_trans_loop_block): New.
4660         (graphite_trans_scop_swap_1and2): Rename from
4661         graphite_trans_swap_1and2.
4662         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4663         (graphite_trans_scop_block): New.
4664         (graphite_apply_transformations): Rename from
4665         graphite_transformations.
4666
4667         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4668
4669 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4670
4671         * graphite.c (gbb_compare): New.
4672         (graphite_sort_gbbs): New.
4673         (gbb_can_be_ignored): New.
4674         (scop_remove_ignoreable_gbbs): New.
4675         (graphite_transformations): Cleanup and add
4676         scop_remove_ignoreable_gbbs.
4677         * lambda.h (lambda_vector_compare): New.
4678
4679 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4680
4681         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4682         (graphite_swap_loops): int -> unsigned
4683         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4684         (graphite_transformations): New.
4685         (graphite_transform_loops): Move to graphite_transformations.
4686         * graphite.h (gbb_nb_loops): Return unsigned.
4687
4688 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4689
4690         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4691         the domain matrix.  This makes scop-0.c work again.
4692
4693 2008-06-20  Richard Guenther  <rguenther@suse.de>
4694
4695         * graphite.h: Adjust copyright to GPLv3.
4696         * graphite.c: Likewise.
4697         (stmt_simple_memref_for_scop_p): Split out from ...
4698         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4699         and simplify.
4700         (get_bb_type): Optimize.
4701         (is_pred): Remove.
4702         (is_bb_addable): Fix memleak, replace is_pred call with
4703         single_pred.
4704         (build_scops): Use current_loops.
4705         (param_index): Fix memleak.
4706
4707 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4708
4709         * graphite.c: Fix formatting.
4710
4711 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4712
4713         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4714         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4715         (create_var_name, save_var_name): Newly defined functions.
4716         (initialize_cloog_names): Part of the code factored out to
4717         save_var_name.
4718         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4719         in clast_reduction statement.
4720         (graphite_create_new_loop): Now takes a new parameter
4721         for outer_loop.
4722         (translate_clast): Now also takes the context_loop and bb_exit
4723         parameters. Rewritten the code so that it creates a gimple code
4724         inside the given context.
4725         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4726         remove_cond_expr, disconnect_cond_expr,
4727         disconnect_virtual_phi_nodes): Newly defined functions.
4728         * graphite.h (struct scop): added old_ivs vector.
4729         SCOP_OLDIVS: New macro.
4730
4731 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4732
4733         * cfgloopmanip.c: Add missing function comments, fix formatting.
4734
4735 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4736
4737         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4738         (create_empty_loop_on_edge): Defined.
4739         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4740         instead of void.
4741         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4742         (update_dominators_in_loop): Declared as extern
4743         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4744
4745 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4746
4747         * graphite.c (print_graphite_bb): Allow changing number of loops
4748         in SCoP domain.
4749         (initialize_cloog_names): Allow changing number of loops.
4750         (build_cloog_prog): Simplify.
4751         (find_transform): Enable cloog option --strides.
4752         (graphite_swap_loops): New.
4753         (graphite_strip_mine_loop): New.
4754         (graphite_trans_swap_1and2): New.
4755         (graphite_trans_strip): New.
4756         (graphite_transform_loops): Add graphite_trans_strip.
4757         * graphite.h (scop_max_loop_depth): New.
4758
4759 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4760
4761         * graphite.c (build_scop_iteration_domain): Remove forgotten
4762         line. (Fixes compile)
4763
4764 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4765
4766         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4767         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4768         (build_bb_loops): New.
4769         (graphite_transform_loops): Add build_bb_loops.
4770         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4771         numbers.
4772         * graphite.h (graphite_bb): Add loops.
4773         (gbb_nb_loops): New.
4774         (gbb_loop_at_index): New.
4775         (gbb_loop_index): New.
4776         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4777         using nb_params_in_scop.
4778
4779 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4780
4781         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4782         (build_scop_canonical_schedules): Build minimized schedule.
4783         (schedule_to_scattering): Adapt to minimized schedule.
4784         * graphite.h (graphite_bb): Add/Update descriptions.
4785
4786 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4787             Tobias Grosser  <grosser@fim.uni-passau.de>
4788
4789         * graphite.c (print_graphite_bb): Add condition printing.
4790         (dump_value): New.
4791         (dump_gbb_conditions): New.
4792         (build_scop_conditions_1): New.
4793         (build_scop_conditions): New.
4794         * graphite.h (graphite_bb): Add conditions.
4795
4796 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4797
4798         * graphite.c (print_graphite_bb):
4799         (free_graphite_bb): New.
4800         (free_scop): Free bbs.
4801         (get_bb_type): Free doms.
4802         (build_scop_context): Free context matrix.
4803         (build_loop_iteration_domains): Remove unused code.
4804         (build_cloog_prog): Free scattering function and blocklist.
4805         (find_transform): Free options.
4806
4807 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4808
4809         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4810         Remove unnecessery cloog data structures. Make a copy of the domain
4811         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4812         unnecessary cloog data structures. Fix memory leaks. Remove insert
4813         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4814         used.
4815         (build_scop_iteration_domain): Remove unnecessary cloog
4816         data structures.  Fix memory leaks.
4817         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4818         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4819
4820 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4821
4822         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4823
4824 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4825
4826         * graphite.c (end_scop): Style fix.
4827         (schedule_to_scattering): Style and comment fix.
4828
4829 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4830         * graphite.c (print_graphite_bb): Fix definiton of
4831         schedule_to_scattering.
4832         (initialize_cloog_names): Change nb_scattdims to max loop
4833         depth in SCoP.
4834         (schedule_to_scattering): Take parameter for number of scattering
4835         dimensions.
4836         (build_cloog_prog): Only build as much scattering dimensions as
4837         necessary.
4838
4839 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4840
4841         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4842         in polyhedron/aermod.f90.
4843
4844 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4845             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4846             Harsha Jagasia  <harsha.jagasia@amd.com>
4847
4848         * graphite.c (is_bb_addable): Fix segfault.
4849
4850 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4851
4852         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4853         with multiple exits and conditional handling in edge cases.
4854         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4855
4856         * testsuite/gcc.dg/graphite/scop-14.c: New.
4857
4858 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4859             Adrien Eliche  <aeliche@isty.uvsq.fr>
4860
4861         * graphite.c (is_bb_addable): Add more comments and enhance
4862         readablity of the source code. Fix memory leak.
4863         (is_loop_exit): Fix memory leak.
4864
4865 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4866
4867         * graphite.c (first_loop_in_scop): Deleted.
4868         (setup_cloog_loop): Only walk the loop chain for inner loops.
4869         (build_scop_iteration_domain): Execute setup_cloog_loop for
4870         all loops in the first layer.
4871
4872 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4873
4874         * graphite.c (scan_tree_for_params): Change the way params are
4875         added to be indepenent of the number of loops.
4876         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4877         handling.
4878         (build_cloog_prog): Revert to short matrix format.
4879
4880 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4881             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4882
4883         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4884         warning.
4885
4886 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4887
4888         * graphite.c (nb_data_refs_in_scop): New.
4889         (graphite_transform_loops): Print more stats: number of
4890         loops, basic blocks and data references per scop.
4891
4892 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4893             Jan Sjodin  <jan.sjodin@amd.com>
4894
4895         * graphite.c (loop_affine_expr, idx_record_params,
4896         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
4897         instead of instantiate_parameters.
4898
4899 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4900
4901         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
4902         add support for parameters, add STATIC_SCHEDULE at the right places,
4903         cleanup.
4904
4905 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4906
4907         * graphite.c (build_scop_loop_nests): Only add the loops, that
4908         are contained completely in the SCoP.
4909         (build_cloog_prog): Disable scattering, until schedule_to_scattering
4910         and the domains are fixed.
4911         (build_scop_canonical_schedules): Add support for bbs not contained
4912         in any SCoP.
4913
4914 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4915
4916         * graphite.h (scop_contains_loop): Update comments to match
4917         the actual behavior.
4918         (scop_contains_loop): New.
4919         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
4920
4921 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4922
4923         * graphite.c (get_bb_type): On function body, i.e. loop_0,
4924         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
4925         as GBB_COND_HEADER.
4926
4927 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4928             Tobias Grosser  <grosser@fim.uni-passau.de>
4929
4930         * graphite.c (graphite_transform_loops): Early return when
4931         there are no loops in the function.
4932
4933 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4934             Jan Sjodin  <jan.sjodin@amd.com>
4935
4936         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
4937         offset of the last loop.
4938         (setup_cloog_loop): Copy the entire outer constraint matrix.
4939
4940 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4941             Jan Sjodin  <jan.sjodin@amd.com>
4942
4943         * graphite.c (stmt_in_scop_p, function_parameter_p,
4944         invariant_in_scop_p): Removed.
4945         (scan_tree_for_params): Can be used with no constraint
4946         matrix for gathering parameters.
4947         (idx_record_params): Don't use idx_record_param, instead use
4948         scan_tree_for_params.
4949         (find_scop_parameters): Same.
4950         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
4951         Fix the size of loop domains.
4952         (schedule_to_scattering): Exit when the outer loop is not in scop.
4953         (find_transform): Enable build_cloog_prog.
4954
4955 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4956             Jan Sjodin  <jan.sjodin@amd.com>
4957
4958         * graphite.c (schedule_to_scattering): Make scattering domains
4959         uniformly of the same size, as required by CLooG 0.14.0 and before.
4960
4961 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
4962             Jan Sjodin  <jan.sjodin@amd.com>
4963
4964         * graphite.c (schedule_to_scattering): Rewrite, correct the
4965         translation of the scheduling function to scattering.
4966         (build_cloog_prog): Call schedule_to_scattering only once.
4967         * graphite.h (scop_loop_index): Do not fail for loops not
4968         in the scop: return -1.
4969
4970 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
4971
4972         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
4973         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
4974         (setup_cloog_loop): Export GBB_DOMAIN.
4975         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
4976         able to rebuild the original control flow.
4977         * graphite.h (graphite_bb): Add domain field and access macro.
4978         (GBB_DOMAIN): New.
4979
4980 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4981
4982         * graphite.c (debug_gbb): New.
4983         (print_scop, build_graphite_bb): Use SCOP_BBS.
4984         (build_scop_bbs): Reimplemented.
4985         (dfs_bb_in_scop_p): Removed.
4986         (build_scop_loop_nests): Reorder loops inserted in
4987         SCOP_LOOP_NEST: outer loops should come first.
4988         (build_scop_canonical_schedules): Reinitialize at zero
4989         the components of the SCOP_STATIC_SCHEDULE for the loops
4990         that have already been parsed.
4991
4992         * graphite.h (debug_gbb): Declared.
4993
4994 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
4995             Jan Sjodin  <jan.sjodin@amd.com>
4996
4997         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
4998         (graphite_loop_to_gcc_loop): Removed.
4999         (remove_all_edges): New.
5000         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5001         (gloog): Remove useless code.
5002
5003 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5004
5005         * graphite.c (get_bb_type): Reworked. We distinguish between
5006         loops with one or multiple exits.
5007         (is_loop_exit): New.
5008         (is_pred): New.
5009         (is_bb_addable): Rework condition handling, now support for case
5010         case statements and loops with multiple exits.
5011
5012         * testsuite/gcc.dg/graphite/scop-11.c: New.
5013         * testsuite/gcc.dg/graphite/scop-12.c: New.
5014         * testsuite/gcc.dg/graphite/scop-13.c: New.
5015
5016 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5017
5018         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5019         we have too many colors.
5020
5021 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5022
5023         * doc/invoke.texi (-ftree-loop-fusion): Document.
5024         * tree-pass.h (pass_loop_fusion): Declared.
5025         * tree-loop-fusion.c: New.
5026         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5027         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5028         * tree-data-ref.h (find_data_references_in_loop): Declared.
5029         * common.opt (ftree-loop-fusion): Declared.
5030         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5031
5032 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5033
5034         * graphite.c (build_access_matrix): Fix typo from the merge.
5035
5036 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5037
5038         * Merge from mainline (130800:135673).
5039
5040 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5041
5042         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5043         Update dominators after splitting.
5044
5045 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5046
5047         * graphite.c (is_bb_addable): Return the harmful statement.
5048         Factor up some code.
5049         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5050         (build_scops_1): Call end_scop.
5051
5052 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5053
5054         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5055         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5056         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5057         build_scops_1): Removed.
5058         (build_scops_2): Renamed build_scops_1.
5059
5060 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5061
5062         * graphite.c: Fix formatting.
5063
5064 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5065
5066         * graphite.c (get_bb_type): New.
5067         (move_scops): New.
5068         (build_scops_2): New.
5069         (is_bb_addable): New.
5070         (build_scops): Switch the scop detection.
5071         (build_scop_bbs): Add entry bb to scop.
5072         * graphite.h (struct scop): Update comment.
5073
5074 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5075
5076         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5077         more colors.
5078
5079 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5080
5081         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5082         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5083         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5084         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5085         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5086
5087 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5088
5089         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5090         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5091         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5092         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5093         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5094
5095 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5096
5097         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5098         Check affine expressions depending on the outermost loop
5099         instead of a scop.
5100         (stmt_simple_for_scop_p): Same.
5101         (harmfule_stmt_in_scop): Same.
5102
5103 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5104
5105         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5106         mark entry and exit, that are not part of the SCoP and update HTML
5107         formatting.
5108
5109 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5110
5111         * graphite.c (basic_block_simple_for_scop_p): Renamed
5112         harmful_stmt_in_bb.
5113         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5114         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5115         (all_preds_visited_p, all_succs_visited_p,
5116         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5117         scop_end_loop): New.
5118         (build_scops): Do not use dfs_enumerate_from.
5119
5120         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5121
5122 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5123
5124         * graphite.c: Add comments to functions that are missing a
5125         description.
5126         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5127
5128 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5129
5130         * graphite.c (nb_params_in_scop): Moved...
5131         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5132         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5133         (clast_to_gcc_expression): Reduce column size to less than 80.
5134         (graphite_create_iv): Return the new name of the IV.
5135         (find_transform): Set options->esp and options->cpp.
5136         (gloog): Comment out the invalidation of the old loop code.
5137         (initialize_dependence_polyhedron): Replace scop_nb_params with
5138         nb_params_in_scop.
5139
5140         * graphite.h (nb_params_in_scop): ... here.
5141         (scop_nb_params): Removed.
5142         (loop_domain_dim): Return something even when the loop was not
5143         found in the hash table: avoid ICEing on all the graphite.exp
5144         testcases.
5145
5146 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5147
5148         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5149
5150         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5151         according to nesting level.
5152         (find_scop_parameters): Call instantiate_parameters.
5153         (scan_tree_for_params): Extend it to handle general affine bounds.
5154         Inner loop bound can depend on outer loop induction variable.
5155         (setup_cloog_loop): tmp variable is allocated on stack. Call
5156         instantiate_parameters with respect to outermost_loop_in_scop.
5157         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5158         graphite.h.
5159         (create_empty_loop): Function loopify should be given edge
5160         probability, instead of edge frequency. Dominance relation from
5161         switch_bb to loop_header.
5162         (clast_to_gcc_expression): Added handling of clast_reduction node.
5163         (gloog): New functionality for removing old loop.
5164         (test_dependence): Factored out from build_rdg_all_levels.
5165         (build_rdg_all_levels): Dependence testing factored out to
5166         test_dependence function.
5167
5168         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5169         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5170         from graphite.c
5171
5172 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5173
5174         * graphite.c (free_scop, param_index, initialize_cloog_names,
5175         nb_params_in_scop): Use name_tree map instead of just a tree
5176         for keeping track of the variable name associated to that tree.
5177         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5178         clast_to_gcc_expression, graphite_create_iv,
5179         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5180         graphite_stmt_to_gcc_stmt): New.
5181         (gloog): Call these.
5182         * graphite.h (struct name_tree): New.
5183         (struct scop): Use name_tree instead of tree for params.
5184         Store a vector of name_tree for new_ivs.
5185         (SCOP_NEWIVS): New.
5186         (scop_nb_params): Use name_tree instead of tree.
5187
5188 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5189             Sebastian Pop  <sebastian.pop@amd.com>
5190
5191         * tree-bounds.c: New.
5192         * tree-bounds.h: New.
5193         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5194         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5195         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5196         flag_mudflap.
5197         * gcc.c: Same.
5198         * toplev.c: Same.
5199         * c-cppbuiltin.c: Same.
5200         * c-pragma.c: Same.
5201         * common.opt: Same.
5202         * varasm.c: Same.
5203         * tree-outof-ssa.c: Same.
5204         * c-common.c: Same.
5205         * Makefile.in: Same.
5206
5207 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5208             Sebastian Pop  <sebastian.pop@amd.com>
5209
5210         * tree-loop-distribution.c (remaining_stmts,
5211         upstream_mem_writes): Removed static variables.
5212         (copy_loop_before, create_bb_after_loop,
5213         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5214         rdg_build_components, rdg_build_partitions,
5215         dump_rdg_partitions): Extern.
5216         (generate_loops_for_partition, generate_code_for_partition): Do not
5217         return a bool.
5218         (already_processed_vertex_p, predecessor_has_mem_write,
5219         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5220         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5221         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5222         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5223         Pass remaining_stmts and upstream_mem_writes as parameters.
5224         (rdg_component): Moved...
5225         (build_rdg_partition_for_component): Do not aggregate components when
5226         flag_streamize_loops is set.
5227         (gen_sequential_loops): New.
5228         (ldist_gen): Call gen_sequential_loops.
5229
5230         * tree-pass.h (pass_loop_streamization): Declared.
5231
5232         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5233         basic blocks when loops structures exist.
5234
5235         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5236
5237         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5238
5239         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5240         eliminate_local_variables_stmt, eliminate_local_variables,
5241         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5242         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5243         of code delimited by two edges in the CFG.
5244         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5245         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5246         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5247         the case of parallelisation of reductions.
5248         (create_loop_fn): Extern.
5249         (create_omp_parallel_region): New.
5250
5251         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5252         dump_data_reference for printing dra and drb.
5253         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5254         RDGE_RELATION.
5255         (build_rdg): Don't call free_dependence_relations for the moment, as
5256         we attach dependence relations on each edge of the RDG.
5257         To be fixed later.
5258
5259         * tree-data-ref.h (rdg_component): ...here.
5260         (struct rdg_edge): New field ddr_p relation.
5261         (RDGE_RELATION): New.
5262         (create_bb_after_loop, copy_loop_before,
5263         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5264         rdg_build_partitions, dump_rdg_partitions,
5265         free_rdg_components): Declared.
5266
5267         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5268         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5269
5270         * tree-loop-streamization.c: New.
5271
5272         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5273         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5274
5275         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5276
5277         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5278
5279         * passes.c: Schedule pass_loop_streamization.
5280
5281 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5282
5283         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5284         update comment.
5285
5286 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5287
5288         * graphite.c (dot_all_scops): Update formatting.
5289         Bbs can now be part of more than one SCoP.
5290
5291 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5292
5293         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5294         malloc problems.
5295         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5296         * graphite.h (loop_to_cloog_loop): New.
5297
5298 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5299
5300         * graphite.c (loop_domain_dim, ref_nb_loops,
5301         loop_iteration_vector_dim): New.
5302         (build_access_matrix_with_af, build_access_matrix,
5303         initialize_dependence_polyhedron): Fixed for new matrix layout.
5304         No longer assume that all iteration domains are of the same
5305         dimensionality.
5306
5307 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5308
5309         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5310         defined in a loop at depth 0 is invariant.
5311         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5312         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5313         be called at loop depth 0.
5314
5315         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5316         a parameter.
5317         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5318         (down_open_scop): Removed.
5319         (loop_in_scop_p): Redefined.
5320         (scop_affine_expr): New argument: scop.
5321         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5322         a harmful statement ending a scop.
5323         (basic_block_simple_for_scop_p): New argument: scop.
5324         (get_loop_start): Removed.
5325         (new_scop): Initialize SCOP_LOOPS.
5326         (free_scop): Free SCOP_LOOPS.
5327         (succs_at_same_depth, preds_at_same_depth): New.
5328         (end_scop): Test the validity of a scop.
5329         (add_dominators_to_open_scops): New.
5330         (test_for_scop_bound): Call add_dominators_to_open_scops.
5331         Add cases for opening and closing multiple scops.
5332         (build_scops, build_scop_bbs): Iterate over basic blocks in
5333         depth first order.
5334         (build_graphite_bb): Pass scop directly.
5335         (dfs_bb_in_scop_p): New.
5336         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5337         several times.
5338         (nb_loops_around_gb): Use loop_in_scop_p.
5339         (schedule_to_scattering): Disabled for the moment the code computing
5340         the "textual order for outer loop".
5341
5342         * graphite.h (struct scop): New field loops.
5343         (SCOP_LOOPS): New.
5344         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5345
5346         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5347
5348 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5349             Sebastian Pop  <sebastian.pop@amd.com>
5350
5351         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5352         * common.opt (fstreamize-loops): New.
5353         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5354         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5355         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5356         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5357
5358 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5359
5360         * tree-data-ref.c (build_empty_rdg): New.
5361         (build_rdg): Use it.
5362         * tree-data-ref.h (build_empty_rdg): Declared.
5363         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5364         (find_vertex_for_stmt): Removed.
5365         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5366
5367 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5368
5369         * tree-loop-distribution.c (generate_builtin): After cancelling the
5370         loop tree, also delete basic blocks.
5371         (rdg_flag_uses): Stop recursion when a vertex has already been
5372         processed.
5373
5374 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5375
5376         * graphite.c (build_scop_alpha): Removed.
5377         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5378         and dump_dependence_graph to avoid compiler warnings.
5379
5380 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5381
5382         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5383         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5384         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5385         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5386         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5387         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5388         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5389         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5390         dump_dependence_graph): New.
5391         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5392         (GBB_ALPHA): New.
5393         (struct scop): New field loop2cloog_loop.
5394         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5395         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5396
5397 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5398
5399         * graphite.c (build_graphite_bb): Fix initialization
5400         of the graphite basic block.
5401
5402 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5403
5404         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5405         loop domain matrix.  Pass in the number of loops contained in the
5406         constraint matrix.
5407         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5408         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5409         loops that are not surrounding the current loop are not represented
5410         in the domain constraint matrix.
5411         (build_scop_iteration_domain): Initial domain constraint matrix
5412         contains only the eq/ineq, cst, and scop parameters columns.
5413
5414 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5415
5416         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5417         (print_graphite_bb): Print scattering.
5418
5419 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5420
5421         * graphite.c (initialize_cloog_names): Initialize names of
5422         scattering variables.
5423
5424 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5425
5426         * graphite.c (dot_all_scops_1): Disable debug output while
5427         printing graph.
5428
5429 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5430
5431         * graphite.c (find_transform): Change cloog output language to C.
5432
5433 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5434
5435         * tree-loop-distribution.c (generate_memset_zero,
5436         generate_builtin, generate_code_for_partition,
5437         rdg_flag_all_uses): New.
5438         (rdg_flag_uses): Gather in the same partition the statements defining
5439         the VUSES of the current statement.
5440         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5441         Gather in the same partition not only the stores to the same memory
5442         access, but also the reads.
5443         (ldist_generate_loops): Renamed ldist_gen.
5444
5445 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5446             Tobias Grosser  <grosser@fmi.uni-passau.de>
5447
5448         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5449         next pointer, don't use the inner pointer.
5450
5451 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5452
5453         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5454         (find_transform): Call dot_all_1.
5455         * graphite.h (dot_all_scops): Declared.
5456
5457 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5458
5459         * tree-loop-distribution.c: Fix apsi.f ICE.
5460         (create_bb_after_loop): New.
5461         (generate_loops_for_partition): Use it.
5462         * testsuite/gfortran.dg/ldist-1.f90: New.
5463
5464         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5465         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5466
5467 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5468
5469         * graphite.c (find_transform): Dump cloog program sent to cloog.
5470
5471 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5472
5473         * graphite.c (initialize_cloog_names): Initialize cloog
5474         iterator names.
5475
5476 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5477
5478         * graphite.c (build_scop_context): Fix typo, for the matrix
5479         format: insert '0 >= 0' instead of '-1 >= 0'.
5480
5481 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5482
5483         * Fix merge problems.
5484
5485 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5486
5487         * graphite.c (setup_cloog_loop): Fix typo.
5488
5489 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5490
5491         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5492         * tree-loop-distribution.c: Reimplemented.
5493         * tree-pass.h (pass_loop_distribution): New.
5494         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5495         print_loops.
5496         * graphds.h (struct graph): New field indexes.
5497         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5498
5499         * tree-vect-analyze.c: Remove declaration of static functions when not
5500         needed.
5501         * tree-vectorizer.c: Same.
5502         (rename_variables_in_loop): Now extern.
5503         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5504         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5505         calling redirect_edge_and_branch_force.
5506
5507         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5508
5509         * tree-data-ref.c: Don't include tree-chrec.h.
5510         (debug_data_dependence_relations): New.
5511         (dump_data_dependence_relation): Call dump_data_reference on data refs
5512         in the relation.
5513         (same_access_functions): Moved...
5514         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5515         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5516         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5517         struct rdg_vertex_info, ): New.
5518         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5519         at DDR_REVERSED_P.
5520         (create_rdg_vertices): Initialize the htab of graph->indexes.
5521         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5522         (stmts_from_loop): Don't save LABEL_EXPR.
5523         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5524         hash_stmt_vertex_del): New.
5525         (build_rdg): Initialize rdg->indexes.
5526         (free_rdg, stores_from_loop, ref_base_address,
5527         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5528         have_similar_memory_accesses_1, ref_base_address_1,
5529         remove_similar_memory_refs): New.
5530
5531         * tree-data-ref.h: Include tree-chrec.h.
5532         (debug_data_dependence_relations): Declared.
5533         (same_access_functions): ...here.  Now static inline.
5534         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5535         ddr_dependence_level): New.
5536         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5537         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5538         RDG_MEM_READS_STMT): New.
5539         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5540         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5541         rdg_vertex_for_stmt): Declared.
5542         (struct rdg_edge): New field level.
5543         (RDGE_LEVEL, free_rdg): New.
5544         (stores_from_loop, remove_similar_memory_refs,
5545         rdg_defs_used_in_other_loops_p,
5546         have_similar_memory_accesses): Declared.
5547         (rdg_has_similar_memory_accesses): New.
5548
5549         * lambda.h (dependence_level): New.
5550         * common.opt (ftree-loop-distribution): New.
5551         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5552         (print_loop_ir): Renamed print_loops.
5553         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5554         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5555         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5556         (tree-loop-distribution.o): Added.
5557         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5558         (mark_virtual_ops_in_bb): New.
5559         (print_loops_bb, debug_loop_num, debug_loop): New.
5560         * passes.c: Scheduled pass_loop_distribution.
5561
5562 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5563
5564         * graphite.c (scan_tree_for_params): Correct the number of columns
5565         for polylib format.
5566         (nb_flat_iterator): New.
5567         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5568         (build_scop_iteration_domain): Correct the number of columns for
5569         polylib format.
5570
5571 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5572
5573         * Merge from mainline (129697:130800).
5574
5575 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5576
5577         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5578         dominated by SCoP's exit.
5579         (graphite_transform_loops): Compute post dominators.
5580
5581 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5582
5583         * Merge from mainline (127169:129697).
5584
5585 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5586
5587         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5588         parameter for the basic block that contains the expression.  Use
5589         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5590         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5591         the expression.
5592         * graphite.h (gbb_loop): New.
5593         (GBB_LOOP): Removed.
5594
5595 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5596
5597         * Makefile.in: Fix merge problem.
5598
5599 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5600
5601         * Merge from mainline (125309:127169).
5602         * tree-loop-distribution.c: Disabled.
5603
5604 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5605
5606         * Merge from mainline (r123693:125309).
5607
5608 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5609
5610         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5611         correct_modify_p
5612         (correct_modify_p, check_statements, number_of_lvalue_uses,
5613         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5614         instead of MODIFY_EXPR.
5615         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5616         and push new edges.
5617
5618 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5619
5620         * tree-loop-distribution.c (struct rdg): Replace arrays by
5621         VECs for edges and vertices.
5622         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5623         (RDGV_NB_PARTITIONS): New.
5624         (PRDG_NBV, PRDG_NBE): Removed.
5625         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5626         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5627         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5628
5629 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5630             Sebastian Pop  <sebpop@gmail.com>
5631
5632         * doc/invoke.texi (-ftree-loop-distribution): Document.
5633         * tree-loop-distribution.c: New file.
5634         * tree-pass.h (pass_loop_distribution): Declared.
5635         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5636         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5637         and set reversed_p.
5638         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5639         (DDR_REVERSED_P): New.
5640         * common.opt (-ftree-loop-distribution): New.
5641         * tree-flow.h (distribute_loops): Declared.
5642         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5643         * passes.c (init_optimization_passes): Schedule loop distribution.
5644
5645 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5646
5647         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5648         (print_scop): Don't print when scop is NULL.
5649         (build_scop_context, find_transform): Don't output to stderr.
5650
5651 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5652
5653         * tree-data-ref.c: Don't include graphite.h.
5654         Comment out the code for printing data reference's scop.
5655         (build_access_matrix_with_af): Moved...
5656         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5657         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5658         (print_graphite_bb): Print basic block's schedule.
5659         (print_scop): Don't print the schedule, call cloog's pretty printer.
5660         (bb_in_scop_p): A basic block is in a scop only if it is both
5661         dominated and postdominated by the scop's entry and exit basic blocks.
5662         (function_parameter_p): New.
5663         (invariant_in_scop_p): Use function_parameter_p.
5664         (new_scop, save_scop): New.
5665         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5666         save_scop.
5667         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5668         (loop_in_scop_p): New.
5669         (scop_record_loop): Use loop_in_scop_p.
5670         (build_scop_domain): Renamed build_scop_iteration_domain.
5671         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5672         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5673         setup_cloog_loop, dot_scop_1, dot_scop): New.
5674         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5675         (struct scop): Add a pointer to cloog's representation of a program.
5676
5677 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5678
5679         * doc/invoke.texi (-ftree-check-verbose): Renamed
5680         -ftree-checks-verbose.
5681         * common.opt (flag_tree_check_verbose): Renamed
5682         flag_tree_checks_verbose.
5683         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5684
5685 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5686
5687         * configure: Regenerated.
5688         * config.in: Regenerated.
5689         * tree-ssa-loop.c (graphite_transforms): Execute
5690         graphite_transform_loops only when HAVE_cloog.
5691         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5692         * graphite.c: Include polylibgmp.h and cloog.h.
5693         (graphite_transform_loops): Removed loops parameter.
5694         * tree-flow.h (graphite_transform_loops): Update declaration.
5695         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5696         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5697         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5698         (OBJS-common): Remove dependence on graphite.o.
5699         (BACKEND): Depend on @GRAPHITE@.
5700
5701 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5702
5703         * doc/invoke.texi (-ftree-check-verbose): Documented.
5704         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5705         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5706         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5707         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5708         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5709         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5710         * common.opt (ftree-checks-verbose): New.
5711         * tree-check.c (tree_check_warning): Move extra stderr output
5712         under control of flag_tree_check_verbose.
5713
5714 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5715
5716         * tree-match.c: Fix comments formatting.
5717         * tree-match.h: Fix comments formatting.
5718         * tree-check.c: Fix comments formatting.
5719         (tree_check_init): Restructure.
5720
5721 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5722
5723         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5724
5725 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5726
5727         * Merge from mainline (r120733:123693).
5728
5729 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5730
5731         * condate.y: New file.
5732         * tree-match.h (struct patt_info_s): New field sign.
5733         (struct condate_s): New field msg.
5734         (normalize_condate, name_condate, add_condate): New.
5735         (conds[], condate_parse): Made extern.
5736         * tree-check.c (tree_check_warning): First arg changed to cond;
5737         warning reformatted.
5738         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5739         (tree_scan): New.
5740         (tree_check): Process trivial condates.
5741         (read_delimited_string): Removed.
5742         (print_cond): Print name and msg.
5743         (conds[]): Made extern.
5744         (parse_tree_check_file_once): Rewritten to use the parser in
5745         condate.y.
5746         Processing of option --tree_check_string moved to tree_scan().
5747         * Makefile.in: Added condate.y
5748
5749 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5750
5751         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5752         Use VECs instead of varrays.
5753         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5754         * Makefile.in (pretty-print.o): Depend on vec.h.
5755         * pretty-print.c: Include tree.h and vec.h.
5756         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5757         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5758         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5759         pp_free_list): Use VECs instead of varrays.
5760         * pretty-print.h: Do not include varray.h.
5761         (struct tree_chunk_s): Declaration moved before its use.
5762         (output_buffer): Rename varray field to chunks.
5763         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5764         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5765         save_global_holes): Use VECs instead of varrays.
5766         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5767         * tree-check.c (scan_cfg_stmts, push_node,
5768         print_matching_stmt): Removed.
5769         (tree_check_instance, push_global_holes_if_new, tree_check,
5770         execute_tree_check): Use VECs instead of varrays.
5771         (gate_tree_check): Don't execute the CFG check when basic_block_info
5772         is not available.
5773
5774 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5775
5776         * Merge from mainline (r115016:120733).
5777
5778 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5779
5780         * Merge from mainline (r117632:117661).
5781
5782 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5783
5784         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5785         * tree-pass.h (TDF_DEBUG, debug_p): New.
5786         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5787         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5788         get_loop_exit_condition, analyze_evolution_in_loop,
5789         analyze_initial_condition, analyze_scalar_evolution,
5790         instantiate_parameters, number_of_latch_executions): Use debug_p.
5791         * tree-chrec.c (chrec_apply): Use debug_p.
5792         * tree-data-ref.c: Include graphite.h.
5793         (dump_data_reference): Print also the access matrix.
5794         (analyze_array, analyze_indirect_ref, init_data_ref,
5795         analyze_offset_expr, address_analysis, object_analysis,
5796         create_data_ref, finalize_ddr_dependent,
5797         non_affine_dependence_relation, analyze_ziv_subscript,
5798         analyze_siv_subscript_cst_affine,
5799         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5800         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5801         analyze_miv_subscript, analyze_overlapping_iterations,
5802         build_classic_dist_vector, subscript_dependence_tester,
5803         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5804         (build_access_matrix_with_af): No longer static.
5805         * tree-data-ref.h (scop_p): ... declaration here.
5806         (data_reference.scop): New field.
5807         (DR_SCOP, DR_ACCESS_MATRIX): New.
5808         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5809         * graphite.c (print_graphite_bb): Call dump_data_references.
5810         (print_scop): Use scop_nb_loops and scop_dim_domain.
5811         (test_for_scop_bound): Use debug_p.
5812         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5813         scop_nb_params.
5814         (scop_loop_index): Moved...
5815         (scop_record_loop): New.
5816         (build_scop_loop_nests): Use scop_record_loop.
5817         (build_scop_domain): Use scop_dim_domain.
5818         (build_access_matrix): Implemented.
5819         (build_scop_canonical_schedules): Use scop_nb_loops.
5820         (build_graphite_bb): Initialize GBB_SCOP.
5821         * graphite.h (scop_p): Moved...
5822         (graphite_bb.scop): New field.
5823         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5824         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5825         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5826         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5827         scop_loop_index): New.
5828         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5829
5830 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5831
5832         * Merge from mainline (r117661:120450).
5833
5834 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5835
5836         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5837         at the first declaration outside the varying loop, instantiate as
5838         far as possible.
5839         * tree-chrec.c (for_each_scev_op): New.
5840         * tree-chrec.h (for_each_scev_op): Declared.
5841         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5842         * tree-data-ref.c (get_references_in_stmt,
5843         find_data_references_in_stmt): New, from trunk.
5844         (find_data_references_in_loop): Use get_references_in_stmt
5845         and find_data_references_in_loop, modified as in trunk.
5846         (build_access_matrix_with_af): New.
5847         * tree-data-ref.h (data_reference): Add a field access_matrix.
5848         (data_ref_loc): New, as in trunk.
5849         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5850         invariant_in_scop_p, param_index, scan_tree_for_params,
5851         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5852         idx_record_param, idx_record_params, build_access_matrix,
5853         build_scop_data_accesses, build_scop_canonical_schedules,
5854         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5855         build_scop_params): New.
5856         * graphite.h (graphite_bb): New.
5857         (scop): Add fields static_schedule, params, loop_nest,
5858         iteration_domain.
5859         * lambda.h: Declare vecs of lambda_matrix.
5860         * tree-flow.h (print_loop_ir_bb): Declared.
5861         * tree-cfg.c (print_loop_ir_bb): New.
5862         (print_loop): Use print_loop_ir_bb.
5863
5864 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5865
5866         * Merge from mainline (r115016:117632).
5867
5868 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5869
5870         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5871         break due to a warning.
5872
5873 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5874
5875         * graphite.c (print_scops, debug_scops): New.
5876         (graphite_transform): Renamed graphite_find_transform.
5877         * graphite.h (debug_scops): Declared.
5878
5879 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5880
5881         * tree-match.c: Reformat following the GNU style.
5882         * tree-match.h: Reformat following the GNU style.
5883         * tree-pattern.h: Removed empty file.
5884         * Makefile.in: Remove references to tree-pattern.h.
5885         * tree-check.c: Reformat following the GNU style.
5886         (execute_tree_check): Move gate condition code to...
5887         (gate_tree_check): ...here.  New function.
5888         (pass_check): Use the gate function.
5889
5890 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5891
5892         * tree-pattern.h: New. Tree pattern matching and checking using
5893         concrete syntax.
5894         * tree-check.c: New. Tree/CFG checking pass.
5895         * tree-match.c: New. Library for tree pattern matching.
5896         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
5897         * toplev.c, flags.h: Add globals for tree-check pass.
5898         * Makefile.in: Integrate the files in tree-check pass.
5899         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
5900         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
5901         Introduce a "lazy" pretty-print mode.
5902         * tree.c, tree.h: Add tree_name.
5903
5904 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
5905
5906         * doc/invoke.texi (-fgraphite): Correct typo.
5907         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
5908         use of print_loop_ir.
5909         * testsuite/gcc.dg/graphite/scop-1.c: New.
5910         * testsuite/gcc.dg/graphite/scop-2.c: New.
5911         * testsuite/gcc.dg/graphite/graphite.exp: New.
5912         * graphite.c: Include domwalk.h.
5913         (print_scop): Print only the entry and exit blocks.
5914         (debug_scop): No longer static.
5915         (affine_expr): Fix formating.  Return also true when the expression is
5916         constant.
5917         (stmt_simple_for_scop_p): Fix formating.
5918         (build_scops): Use domwalk.
5919         (get_loop_start, end_scop, test_for_scop_bound): New.
5920         (graphite_transform_loops): Avoid printing on stderr.
5921         * graphite.h (debug_scop): Declared.
5922         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
5923         * Makefile.in (graphite.o): Depend on domwalk.h.
5924         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
5925         declarations for static functions.
5926         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
5927         controlling output verbosity.
5928
5929 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
5930             Plesco Alexandru  <shurikx@gmail.com>
5931
5932         * doc/invoke.texi (-fgraphite): Document.
5933         * tree-pass.h (pass_graphite_transforms): Declared.
5934         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
5935         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
5936         (pass_graphite_transforms): Defined.
5937         * tree-data-ref.c (free_data_ref, data_reference): Extern.
5938         * tree-data-ref.h (free_data_ref, data_reference): Declared.
5939         * graphite.c, graphite.h: New.
5940         * common.opt (fgraphite): Declared.
5941         * tree-flow.h (graphite_transform_loops): Declared.
5942         * Makefile.in (OBJS-common): Add graphite.o.
5943         (graphite.o): New rule.
5944         * passes.c (pass_graphite_transforms): Scheduled.
5945