gcc/ChangeLog.graphite

   1 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
   4
   5 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
   8         loop upper bounds for 1-element arrays at end of structures.
   9         * tree-flow.h (array_at_struct_end_p): Declared.
  10         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
  11
  12 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
  13
  14         * g++.dg/graphite/pr41305.C: New.
  15
  16 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
  17
  18         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
  19         construction of parameter constraints from loop iteration analysis.
  20         * gcc.dg/graphite/run-id-2.c: New test.
  21
  22 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  23
  24         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
  25         and new_cstr.
  26
  27 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  28
  29         * graphite-dependences.c (dependence_polyhedron_1): Remove
  30         unused gdim dimensions from the DDR polyhedron.
  31
  32 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         * graphite-dependences.c (pddr_transformed_scattering): New.
  35         (dot_original_deps_stmt_1): New.
  36         (dot_transformed_deps_stmt_1): New.
  37         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
  38         dot_transformed_deps_stmt_1.
  39         (dot_original_deps): New.
  40         (dot_transformed_deps): New.
  41         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
  42
  43 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  44
  45         * graphite-dependences.c (reduction_dr_1): Remove wrong
  46         assert: reduction BBs can have multiple reduction writes
  47         to memory.  interchange-3.f90 is an example.
  48
  49 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         * gfortran.dg/graphite/interchange-3.f90: New.
  52
  53 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  54
  55         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
  56
  57 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         * graphite-dependences.c (dependence_polyhedron_1): Add the
  60         context to the dependence polyhedron.
  61
  62 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  63
  64         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
  65         PBB_PDR_DUPLICATES_REMOVED.
  66         (new_poly_bb): Same.
  67
  68 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
  71         SCOP_CONTEXT.
  72         (build_loop_iteration_domains): Extract bounds on parameters
  73         based on the data size.
  74         (build_scop_context): Do not initialize SCOP_CONTEXT;
  75         add new constraints.
  76
  77 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  80         * graphite-ppl.h (graphite-ppl.h): Declared.
  81
  82 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  83
  84         * graphite-ppl.c (ppl_print_linear_expr): New.
  85         (debug_ppl_linear_expr): New.
  86         * graphite-ppl.h (ppl_print_linear_expr): Declared.
  87         (debug_ppl_linear_expr): Declared.
  88
  89 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  90
  91         * graphite-interchange.c: Fix comments.
  92         * gcc.dg/graphite/block-1.c: Fix comments.
  93
  94 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  95
  96         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
  97         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
  98
  99 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
 100
 101         Reapply the patch from Alexander Monakov that disappeared during
 102         the last merges from trunk.
 103
 104         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 105
 106         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 107         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 108
 109 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         * graphite-interchange.c (memory_stride_in_loop): The depth
 112         argument corresponds to a dynamic time dimension, so use
 113         psct_dynamic_dim to refer to the transformed scattering dimension.
 114
 115 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 118
 119 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 122         root of the LST.
 123         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 124         the root of the LST.
 125         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 126         fake loop.
 127         (print_lst): Print the root of LST in a different format.
 128         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 129
 130 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 131
 132         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 133
 134 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 135
 136         * doc/passes.texi: Document the Graphite infrastructure.
 137
 138 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 139
 140         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 141         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 142         and check the SSA representation.
 143
 144         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 145
 146 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 149
 150 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 151
 152         * gcc.dg/graphite/interchange-11.c: New.
 153
 154 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 157
 158 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 159
 160         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 161         Add -fno-loop-strip-mine and -fno-loop-interchange.
 162         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 163         -fno-loop-strip-mine.
 164         * gfortran.dg/graphite/graphite.exp: Same.
 165
 166 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 167
 168         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 169         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 170         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 171         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 172         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 173         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 174         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 175         DEFAULT_FLAGS_GRAPHITE_SCOP.
 176         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 177         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 178
 179 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 182
 183 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 184             Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-interchange.c (build_linearized_memory_access): Pass an
 187         offset as parameter.
 188         (memory_stride_in_loop): Include transform scattering in the
 189         access functions to be able to querry the strides in the
 190         transformed loops.
 191         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 192         not the psct_iterator_dim.
 193
 194 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 195
 196         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 197         (lst_do_strip_mine_loop): New.
 198         (lst_do_strip_mine): New.
 199         (scop_do_strip_mine): Call lst_do_strip_mine.
 200         * graphite-poly.h (lst_add_loop_under_loop): New.
 201         (lst_find_first_pbb): New.
 202
 203 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 204
 205         * graphite-poly.c (loop_to_lst): Fix LST creation.
 206
 207 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 208
 209         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 210         sizeof(unsigned long) to make it run on 32bit systems.
 211
 212 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 213
 214         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 215         SEGFAULT on 32bit.
 216
 217 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 218
 219         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 220         Comment.
 221         (write_alias_graph_to_ascii_dot): New.
 222         (write_alias_graph_to_ascii_ecc): Ditto.
 223         (partition_drs_to_sets): Add testing of optimality of current method
 224         which assigns alias numbers according to DFS Comopnent number.  used
 225         as heuristic for the upcoming ECC algorithm.
 226         (build_scop_drs): Write to file also with the ecc and dot format.
 227
 228 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 229
 230         * gfortran.dg/graphite/interchange-1.f: XFail.
 231
 232 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 233
 234         * graphite.c (graphite_initialize): Do not handle functions with
 235         more than 100 basic blocks.
 236
 237 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 238
 239         * graphite-blocking.c (pbb_do_strip_mine): Use
 240         PARAM_LOOP_BLOCK_TILE_SIZE.
 241
 242 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 243
 244         * graphite-poly.c (dot_lst_1): New.
 245         (dot_lst): New.
 246         * graphite-poly.h (dot_lst): Declared.
 247
 248 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 249
 250         * graphite-dependences.c (dot_deps_stmt_1): New.
 251         (dot_deps_stmt): New.
 252         * graphite-dependences.h (dot_deps_stmt): Declared.
 253
 254 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 257         not replace cross BB scalar dependences ending on PHI nodes.
 258         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 259
 260 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 261
 262         * graphite-poly.c (apply_poly_transforms): Implement the high
 263         level driver for flag_loop_block.
 264         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 265         flag_loop_block.
 266
 267         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 268         -floop-block.
 269         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 270         Add -floop-block.
 271
 272 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * graphite-poly.h (lst_find_pbb): New.
 275         (find_lst_loop): New.
 276
 277 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 278
 279         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 280         * graphite-poly.h (struct scop): Remove dep_graph field.
 281         (SCOP_DEP_GRAPH): Removed.
 282
 283 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         * graphite-poly.h (copy_lst): Do full copy of LST.
 286
 287 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 288
 289         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 290         when the loop stride is zero.
 291
 292         * gcc.dg/graphite/id-16.c: New.
 293
 294 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 295
 296         * graphite-dependences.c (reduction_dr_1): New.
 297         (reduction_dr_p): New.
 298         (graphite_legal_transform_dr): Call reduction_dr_p.
 299         (reduction_ddr): Renamed reduction_ddr_p.
 300         * graphite-poly.h (same_pdr_p): New.
 301         (number_of_write_pdrs): New.
 302         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 303         (split_reduction_stmt): Do not split reduction statements
 304         when there are no writes to memory.
 305         (translate_scalar_reduction_to_array_for_stmt): Insert the
 306         memory reduction statement just after the scalar reduction statement.
 307
 308         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 309         Un-XFAIL-ed.
 310         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 311         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 312
 313 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * graphite-interchange.c (lst_apply_interchange): New.
 316         (lst_interchange_profitable_p): New.
 317         (lst_try_interchange_loops): New.
 318         (lst_try_interchange): New.
 319         (lst_do_interchange): New.
 320         (pbb_do_interchange): Removed.
 321         (scop_do_interchange): Call lst_do_interchange.
 322
 323 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 324
 325         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 326         SCOP_TRANSFORMED_SCHEDULE.
 327         (loop_to_lst): New.
 328         (scop_to_lst): New.
 329         (print_lst): New.
 330         (debug_lst): New.
 331         * graphite-poly.h (lst_p): New.
 332         (struct lst): New.
 333         (LST_LOOP_P): New.
 334         (LST_LOOP_FATHER): New.
 335         (LST_PBB): New.
 336         (LST_SEQ): New.
 337         (scop_to_lst): Declared.
 338         (print_lst): Declared.
 339         (debug_lst): Declared.
 340         (new_lst_loop): New.
 341         (new_lst_stmt): New.
 342         (copy_lst): New.
 343         (lst_depth): New.
 344         (lst_dewey_number): New.
 345         (struct scop): Add original_schedule and transformed_schedule fields.
 346         (SCOP_ORIGINAL_SCHEDULE): New.
 347         (SCOP_TRANSFORMED_SCHEDULE): New.
 348         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 349
 350 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 351
 352         * graphite-dependences.c (reduction_ddr): New.
 353         (graphite_legal_transform_bb): Call reduction_ddr.
 354         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 355         Initialize PBB_IS_REDUCTION.
 356         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 357         (PBB_IS_REDUCTION): New.
 358         (new_poly_bb): Update declaration.
 359         * graphite-scop-detection.h (build_scop_bbs): Removed.
 360         (nb_reductions_in_loop): Removed.
 361         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 362         parameter for reductions.
 363         (try_generate_gimple_bb): Update call to new_poly_bb.
 364         (build_scop_bbs_1): Same.
 365         (build_scop_bbs): Same.
 366         (gsi_for_phi_node): New.
 367         (scalar_close_phi_node_p): Remove gcc_assert.
 368         (split_reduction_stmt): New.
 369         (is_reduction_operation_p): New.
 370         (phi_contains_arg): New.
 371         (follow_ssa_with_commutative_ops): New.
 372         (detect_commutative_reduction_arg): New.
 373         (detect_commutative_reduction_assign): New.
 374         (follow_inital_value_to_phi): New.
 375         (edge_initial_value_for_loop_phi): New.
 376         (initial_value_for_loop_phi): New.
 377         (detect_commutative_reduction): New.
 378         (translate_scalar_reduction_to_array_for_stmt): New.
 379         (insert_copyout): New.
 380         (insert_copyin): New.
 381         (translate_scalar_reduction_to_array): New.
 382         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 383         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 384         (rewrite_commutative_reductions_out_of_ssa): New.
 385         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 386         * sese.h (split_region_for_bb): New.
 387
 388         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 389         * gcc.dg/graphite/interchange-1.c: Fix format.
 390         * gcc.dg/graphite/interchange-10.c: New.
 391
 392 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 393
 394         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 395         buggy assert.
 396
 397 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 398
 399         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 400         (rewrite_cross_bb_scalar_dependence): New.
 401         (rewrite_cross_bb_scalar_deps): New.
 402         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 403         Call rewrite_cross_bb_scalar_deps.
 404
 405 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 406
 407         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 408         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 409         gsi_for_stmt.
 410
 411 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 412
 413         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 414         * graphite-interchange.c (pbb_do_interchange): Same.
 415         * graphite-poly.c (print_scattering_function): Same.
 416         (debug_pdrs): Same.
 417         * graphite-poly.h (pbb_loop): New.
 418         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 419
 420 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 421
 422         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 423
 424 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 425
 426         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 427         so don't pass a pointer to it.
 428         (build_alias_set_for_drs): Same.
 429         (build_base_obj_set_for_drs): Same.
 430         (build_scop_drs): Same.
 431
 432 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 433
 434         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 435         the alias graph of data references.
 436
 437 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 438
 439         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 440         (build_scop_drs): When debugging, write the alias graph to file,
 441         otherwise, should be disabled.
 442
 443 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 444
 445         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 446         (is_simple_operand): Remove call to stmt_simple_memref_p.
 447         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 448
 449 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 450
 451         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 452         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 453         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 454         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 455         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 456
 457 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 458
 459         PR middle-end/41118
 460         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 461         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 462         (graphite_carried_dependence_level_k): Ditto.
 463         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 464         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 465         (new_poly_dr): Adjust declaration.
 466         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 467         (free_gimple_bb): Added free_data_refs_aux.
 468         (build_poly_dr): Add dr_base_object_set.
 469         (partition_drs_to_sets): New.
 470         (dr_same_base_object_p): New.
 471         (build_alias_set_for_drs): New.
 472         (build_base_object_set_for_drs): New.
 473         (build_scop_drs): Add build_base_obj_set_for_drs.
 474         * graphite-sese-to-poly.h: Added #define for alias set number index and
 475         base object set index.
 476         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 477         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 478
 479 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 480
 481         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 482         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 483
 484 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 485
 486         * graphite-sese-to-poly.c (struct irp_data): Removed.
 487         (idx_record_params): Removed.
 488         (find_params_in_bb): Scan for parameters the access functions; don't
 489         parse the tree representation.
 490
 491 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 494         passes at -O1 and below.
 495
 496 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 497
 498         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 499         tree-scalar-evolution.h, and then tree-data-ref.h.
 500         * graphite-clast-to-gimple.c: Same.
 501         * graphite-dependences.c: Same.
 502         * graphite-interchange.c: Same.
 503         * graphite-poly.c: Same.
 504         * graphite-scop-detection.c: Same.
 505         * graphite-sese-to-poly.c: Same.
 506         * graphite.c: Same.
 507         * lambda-code.c: Same.
 508         * matrix-reorg.c: Same.
 509         * tree-data-ref.c: Same.
 510         * tree-if-conv.c: Same.
 511         * tree-loop-distribu: Same.: Same.
 512         * tree-loop-linear.c: Same.
 513         * tree-parloops.c: Same.
 514         * tree-predcom.c: Same.
 515         * tree-vect-patterns.c: Same.
 516
 517 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 518
 519         Partially revert the previous patch, except the following.
 520         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 521         as parameters the operands of the not expression.
 522
 523 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 524
 525         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 526         Do not call analyze_scalar_evolution on assignments.
 527         (instantiate_scev_phi): Call analyze_scalar_evolution.
 528         (instantiate_scev_name): Call instantiate_scev_assign and
 529         instantiate_scev_phi.
 530         (instantiate_scev_not): Adapted to pass as parameters the operands
 531         of the not expression.
 532
 533 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 536         to pass as parameters the operands of the binary expression.
 537
 538 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 539
 540         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 541         instantiate_scev_not.  Handle NEGATE_EXPR.
 542         (instantiate_scev_r): Handle NEGATE_EXPR.
 543
 544 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 547         instantiate_scev_r.
 548         (instantiate_scev_r): Move code in instantiate_scev_2
 549         and instantiate_scev_1.
 550
 551 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 552
 553         * tree-scalar-evolution.c (instantiate_scev_3): New.
 554         (instantiate_scev_1): Move code in instantiate_scev_3.
 555
 556 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 559         (instantiate_scev_1): Move code in instantiate_scev_poly.
 560
 561 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 562
 563         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 564         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 565
 566 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 567
 568         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 569         (instantiate_scev_1): Move code in instantiate_scev_convert.
 570
 571 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 572
 573         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 574         (instantiate_scev_1): Move code in instantiate_scev_binary.
 575
 576 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 577
 578         * tree-scalar-evolution.c (instantiate_scev_name): New.
 579         (instantiate_scev_1): Move code in instantiate_scev_name.
 580
 581 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 582
 583         * Merge from mainline (150992:151171).
 584
 585 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 586
 587         * graphite-dependences.c (graphite_legal_transform_bb): Call
 588         pbb_remove_duplicate_pdrs.
 589         * graphite-poly.c (can_collapse_pdr): Removed.
 590         (pdr_find_duplicate): Removed.
 591         (can_collapse_pdrs): New.
 592         (pbb_remove_duplicate_pdrs): New.
 593         (new_poly_dr): Do not look for duplicates.
 594         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 595         (PBB_PDR_DUPLICATES_REMOVED): New.
 596         (pbb_remove_duplicate_pdrs): Declared.
 597
 598 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 599
 600         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 601         the strides by multiplying by PDR_NB_REFS.
 602         * graphite-poly.c (can_collapse_pdr): New.
 603         (pdr_find_duplicate): New.
 604         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 605         Initialize PDR_NB_REFS.
 606         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 607         (PDR_NB_REFS): New.
 608         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 609
 610 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 611
 612         Revert one of the previous commits:
 613         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 614         the computation of symmetric data dependence relations.
 615         (dependency_between_pbbs_p): Same.
 616
 617 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 618
 619         PR middle-end/40965
 620         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 621         any transform.
 622
 623 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 624
 625         * graphite-dependences.c (pddr_original_scattering): Return NULL
 626         for read-read dependence relations.
 627         * graphite-poly.h (enum poly_dr_type): Fix comment.
 628         (pdr_read_p): New.
 629         (pdr_write_p): New.
 630         (pdr_may_write_p): New.
 631
 632 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 633
 634         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 635         (struct poly_dr): Same.
 636         (new_poly_dr): Same.
 637         * graphite-poly.c (new_poly_dr): Same.
 638
 639 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 640             Sebastian Pop  <sebastian.pop@amd.com>
 641
 642         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 643         pbb_strip_mine_time_depth.  Changed the implementation so that
 644         transformation is expressed as a transformation on
 645         time (scatttering) dimensions.  Also, ensures that the 2d+1
 646         scheduling format is preserved.
 647         (pbb_strip_mine_profitable_p): Profitability is based on the
 648         iteration number of a given time (scattering) dimension,
 649         and not on a original loop depth dimension.
 650         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 651         (pbb_do_strip_mine): Call psct_dynamic_dim.
 652         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 653         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 654         (pbb_nb_dynamic_scattering_transform): New.
 655         (psct_dynamic_dim): New.
 656
 657 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 658
 659         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 660         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 661         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 662         * graphite-interchange.c (build_linearized_memory_access): Same.
 663         (memory_stride_in_loop): Same.
 664
 665 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 666
 667         * graphite-dependences.c (pddr_original_scattering): New.
 668         (graphite_legal_transform_dr): Call pddr_original_scattering.
 669         (dot_deps_1): New.
 670         (dot_deps): New.
 671         * graphite-dependences.h (dot_deps): Declared.
 672         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 673         (print_pdr): Print PDR_ID.
 674         * graphite-poly.h (struct poly_dr): Add field id.
 675         (PDR_ID): New.
 676         (pbb_index): New.
 677         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 678
 679 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 682         not delete the original dependence relation.
 683
 684 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 685
 686         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 687         the computation of symmetric data dependence relations.
 688         (dependency_between_pbbs_p): Same.
 689
 690 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 691
 692         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 693         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 694         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 695         (free_poly_ddr): New.
 696         (pddr_is_empty): New.
 697         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 698         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 699         Remove fprintfs.
 700         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 701         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 702         * graphite-dependences.h (enum poly_dependence_kind): New.
 703         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 704         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 705         (PDRP_SINK): Renamed PDDR_SINK.
 706         (PDRP_DDP): Renamed PDDR_DDP.
 707         (PDDR_KIND): New.
 708         (free_poly_ddr): Declared.
 709         * graphite-poly.c (new_scop): Use the new hash function names.
 710         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 711         into original_pddrs.
 712         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 713
 714 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 715
 716         * Merge from mainline (150764:150992).
 717
 718 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 721         bounds with LT_EXPR to make niter analysis more precise on code
 722         generated by Graphite.
 723
 724 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 725
 726         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 727         (graphite_legal_transform_bb): Same.
 728         (poly_drs_may_alias_p): Same.
 729
 730 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 731
 732         PR middle-end/40981
 733         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 734         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 735
 736 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-poly.c (print_pbb): Print PBB index.
 739
 740 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * Merge from mainline (r150672:150764).
 743
 744 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         * graphite-interchange.c (ppl_max_for_le): Moved...
 747         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 748         * graphite-ppl.c (ppl_max_for_le): ... here.
 749         * graphite-ppl.h (ppl_max_for_le): Declared.
 750
 751 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 752
 753         * Merge from mainline (r150372:150672).
 754
 755 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 756
 757         PR middle-end/40980
 758         * sese.c (convert_for_phi_arg): New.
 759         (add_guard_exit_phis): Use convert_for_phi_arg.
 760
 761         * testsuite/gfortran.dg/graphite/id-17.f: New.
 762
 763 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 766         unknown subscript upper bounds.
 767
 768         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 769
 770 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 771             Pranav Garg  <pranav.garg2107@gmail.com>
 772
 773         * graphite-interchange.c (gather_access_strides): Removed.
 774         (ppl_max_for_le): New.
 775         (build_linearized_memory_access): New.
 776         (memory_stride_in_loop): New.
 777         (pbb_interchange_profitable_p): Reimplemented.
 778         * graphite-ppl.h (ppl_new_id_map): New.
 779         (ppl_interchange): New.
 780
 781         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 782
 783 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 784
 785         * graphite-interchange.c (compute_subscript): Removed.
 786         (compute_array_size_cstr): Removed.
 787         (compute_array_size_poly): Removed.
 788         (compute_array_size): Removed.
 789         (gather_access_strides_poly): Removed.
 790         (gather_access_strides): Empty.
 791
 792 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 793
 794         * graphite-dependences.c (dependence_polyhedron_1): Replace
 795         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 796         (graphite_legal_transform_dr): Same.
 797         (graphite_carried_dependence_level_k): Same.
 798         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 799         Initialize PDR_NB_SUBSCRIPTS.
 800         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 801         PDR_NB_SUBSCRIPTS.
 802         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 803         (PDR_NB_SUBSCRIPTS): New.
 804         (pdr_nb_subscripts): Removed.
 805         (pdr_dim): Simplified.
 806         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 807         with PDR_NB_SUBSCRIPTS.
 808
 809 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 810
 811         * graphite-interchange.c (compute_array_size): Remove use of
 812         PDR_DATA_CONTAINER.
 813         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 814         Do not initialize PDR_DATA_CONTAINER.
 815         (print_pdr): Do not print PDR_DATA_CONTAINER.
 816         * graphite-poly.h (struct poly_dr): Remove data_container field.
 817         (PDR_DATA_CONTAINER): Removed.
 818         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 819         PDR_DATA_CONTAINER.
 820         (build_poly_dr): Same.
 821
 822 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 823
 824         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 825
 826 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 827             Sebastian Pop  <sebastian.pop@amd.com>
 828
 829         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 830         copy of the dependence polyhedron.  Free the temporary objects.
 831         (graphite_carried_dependence_level_k): Free unused objects before
 832         returning.
 833
 834         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 835         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 836         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 837         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 838         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 839
 840 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 841
 842         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 843         Early return without analyzing the data dependences if no
 844         transform has been done.  Call restore_scattering if the transform
 845         is not legal.
 846         (graphite-interchange.c): Same.
 847         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 848         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 849         (apply_poly_transforms): Do not gcc_assert that
 850         the transform is legal.
 851         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 852         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 853         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 854         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 855         * graphite-poly.h (struct poly_scattering): New.
 856         (struct poly_bb): Add original, transformed, and saved fields.
 857         Remove transformed_scattering, original_scattering, nb_local_variables,
 858         and nb_scattering_transform fields.
 859         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 860         (poly_scattering_new): New.
 861         (poly_scattering_free): New.
 862         (poly_scattering_copy): New.
 863         (store_scattering_pbb): New.
 864         (store_scattering): New.
 865         (restore_scattering_pbb): New.
 866         (restore_scattering): New.
 867         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 868         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 869
 870 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 871
 872         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 873         (print_scop): Same.
 874
 875 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 876
 877         * Makefile.in (graphite.o): Depends on PREDICT_H.
 878         * graphite.c: Include predict.h.
 879         (graphite_finalize): Call tree_estimate_probability.
 880         * predict.c (predict_loops): Do not call scev_initialize and
 881         scev_finalize.
 882         (tree_estimate_probability_bb): New.
 883         (tree_estimate_probability): Do not initialize loops: move that
 884         code to the driver.  Call tree_estimate_probability_bb.
 885         (tree_estimate_probability_driver): New.
 886         (pass_profile): Use tree_estimate_probability_driver.
 887         * predict.h (tree_estimate_probability): Declared.
 888
 889 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 890
 891         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 892         * graphite-dependences.c (graphite_legal_transform): Add time to
 893         TV_GRAPHITE_DATA_DEPS.
 894         (dependency_between_pbbs_p): Same.
 895         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 896
 897 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 898
 899         * Merge from mainline (r149952:150372).
 900
 901 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 902
 903         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 904         * graphite-blocking.c: Same.
 905         * graphite-clast-to-gimple.c: Same.
 906         * graphite-dependences.c: Same.
 907         * graphite-poly.c: Same.
 908         * graphite-poly.h: Same.
 909         * graphite-ppl.c: Same.
 910         * graphite-scop-detection.c: Same.
 911         * graphite-sese-to-poly.c: Same.
 912         * graphite.c: Same.
 913
 914 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 917         (remove_simple_copy_phi): New.
 918         (remove_invariant_phi): New.
 919         (simple_copy_phi_p): New.
 920         (reduction_phi_p): New.
 921         (gsi_for_ssa_name_def): New.
 922         (insert_out_of_ssa_copy): New.
 923         (insert_out_of_ssa_copy_on_edge): New.
 924         (create_zero_dim_array): New.
 925         (scalar_close_phi_node_p): New.
 926         (rewrite_close_phi_out_of_ssa): New.
 927         (rewrite_phi_out_of_ssa): New.
 928         (rewrite_reductions_out_of_ssa): New.
 929         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 930
 931         * testsuite/gcc.dg/graphite/id-11.c: New.
 932         * testsuite/gcc.dg/graphite/id-15.c: New.
 933         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 934         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 935         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 936         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 937         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 938         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 939         * testsuite/gfortran.dg/graphite/id-13.f: New.
 940         * testsuite/gfortran.dg/graphite/id-5.f: New.
 941
 942 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 945         check that nb_reductions_in_loop is zero.
 946         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 947         reduction phi nodes.
 948         (nb_reductions_in_loop): Removed.
 949         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 950         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 951         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 952         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 953         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 954
 955 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 956
 957         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 958         statements that have an empty iteration domain.
 959         * testsuite/gfortran.dg/graphite/id-16.f: New.
 960
 961 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 962
 963         * tree-scalar-evolution.c (instantiate_scev_1): Return
 964         chrec_dont_know when the result is not above instantiate_below.
 965         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 966         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 967         the tree has a known scalar evolution.
 968         * testsuite/gfortran.dg/graphite/id-14.f: New.
 969         * testsuite/gfortran.dg/graphite/id-15.f: New.
 970
 971 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 972
 973         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 974         insert_gsi.
 975         (rename_variables): Keep inserting renames after the ones already
 976         inserted.
 977
 978 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 979
 980         * graphite-sese-to-poly.c (compare_bb_depths): New.
 981         (graphite_sort_dominated_info): New.
 982         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 983         (build_scop_scattering): Fix comment.
 984
 985 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 986
 987         * graphite.c (graphite_finalize): Call print_loops instead of
 988         dump_function_to_file.
 989         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 990         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 991         loops generated in the graphite output file.
 992         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 993         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 994         * testsuite/gfortran.dg/graphite/id-12.f: New.
 995
 996 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 997
 998         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 999         Remove 2 XFAIL.
1000
1001 2009-07-24  Li Feng  <nemokingdom@gmail.com>
1002             Tobias Grosser  <grosser@fim.uni-passau.de>
1003
1004         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
1005         alias set number build alias in ACCESSES polyhedron.
1006         (build_alias_set_for_drs): New.
1007         (build_pbb_drs): Added build_alias_set_for_drs.
1008         * graphite-dependences.c (poly_drs_may_alias_p): New.
1009         (graphite_carried_dependence_level_k): Check alias information
1010         before building polyhedron.
1011
1012 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1013
1014         * Makefile.in (lambda-code.o): Fix formatting.
1015
1016 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1017
1018         * Merge from mainline (r149350-149952)
1019
1020 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1021
1022         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1023         before interchange to prepare for loop blocking.
1024
1025 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1026
1027         * graphite-poly.c (apply_poly_transforms): Add checks after every
1028         transformation.
1029         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1030         done in apply_poly_transforms.
1031
1032 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1033
1034         * graphite-dependences.c (build_lexicographically_gt_constraint):
1035         Replace RES parameter with *RES.
1036         (dependence_polyhedron_1): Pass an address of the parameter RES
1037         instead of value of RES.
1038
1039 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1040
1041         * graphite.c (graphite_finalize): Fix comment.
1042         (graphite_transform_loops): Reset scev info after code generation
1043         of each scop.
1044
1045 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite.c (graphite_finalize): Call scev_reset.
1048
1049 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1050
1051         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1052         GBB_CLOOG_IV_TYPES hash table twice.
1053         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1054         (add_condition_to_domain): Clear GMP values.
1055
1056 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1057
1058         * graphite-dependences.c: Fix formatting.
1059         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1060         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1061         * graphite-sese-to-poly.c: Fix formatting.
1062         * graphite.c (graphite_transform_loops): Create the hash table
1063         after the early return.
1064
1065 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1066
1067         * testsuite/gcc.dg/graphite/id-14.c: New.
1068         * testsuite/gcc.dg/graphite/pr40157.c: New.
1069         * testsuite/gfortran.dg/graphite/id-11.f: New.
1070
1071 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1072
1073         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1074         (build_poly_scop): Return false when there are no pbbs within
1075         loops to avoid to pass to cloog scops with no loops.
1076
1077 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1078
1079         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1080         useless test "i % 2".
1081         (build_pbb_scattering_polyhedrons): Fix formatting.
1082         (build_poly_dr): Same.
1083         * graphite.c (graphite_transform_loops): Restructure.
1084
1085 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1086
1087         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1088         reduction_list parameter.
1089         (rewrite_all_phi_nodes_with_iv): Same.
1090         (canonicalize_loop_ivs): Same.
1091         * tree-parloops.c (struct brli): Removed.
1092         (build_reduction_list_info): Removed.
1093         (build_new_reduction): New.
1094         (analyze_reduction_list): Removed.
1095         (gather_scalar_reductions): Find reductions instead of phi
1096         nodes that can't be canonicalized.
1097         (try_create_reduction_list): Remove reduction_list parameter.
1098         (gen_parallel_loop): Same.
1099         (parallelize_loops): Remove analyze_reductions variable,
1100         initialization and free.
1101         Change reduction_list htab initialization to reduction_info
1102         elements instead of ssa names.
1103         Call try_create_reduction_list and gen_parallel_loop without
1104         analyzed_reduction argument.
1105         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1106         canonicalize_loop_ivs with one less argument.
1107         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1108
1109 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1110
1111         * graphite-dependences.c (new_poly_dr_pair): New.
1112         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1113         (new_poly_dr_pair): New.
1114         (eq_poly_dr_pair_p): New.
1115         (hash_poly_dr_pair_p): New.
1116         * graphite-dependences.h (struct poly_dr_pair): New.
1117         (eq_poly_dr_pair_p): Declared.
1118         (hash_poly_dr_pair_p): Declared.
1119         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1120         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1121         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1122         * Makefile.in (graphite-poly.o): Add dependence on
1123         graphite-dependences.h.
1124
1125 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1128         polynomials of degree > 1 pass to Graphite.
1129         * tree-chrec.c (scev_is_linear_expression): Call
1130         evolution_function_is_affine_multivariate_p.
1131         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1132
1133 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1136         Instantiate scevs varying in outer loops.
1137         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1138
1139 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1140
1141         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1142         redundant constraint.
1143
1144 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1145
1146         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1147         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1148         based on the file names as in the C testsuite.
1149         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1150         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1151         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1152         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1153         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1154         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1155         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1156         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1157         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1158         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1159         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1160         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1161         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1162
1163 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1164
1165         * sese.c (expand_scalar_variables_call): New.
1166         (expand_scalar_variables_ssa_name): Handle calls in expander.
1167
1168 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1169
1170         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1171         Expect to see the pattern twice.
1172         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1173         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1174         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1175
1176 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1177
1178         * testsuite/gcc.dg/graphite/id-10.c: New.
1179         * testsuite/gcc.dg/graphite/id-12.c: New.
1180         * testsuite/gfortran.dg/graphite/id-7.f: New.
1181         * testsuite/gfortran.dg/graphite/id-8.f: New.
1182
1183 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1184
1185         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1186         zero.
1187
1188 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1191
1192 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1195
1196 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1197
1198         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1199         building PDR subscripts.
1200
1201 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1204         computation of array sizes.
1205
1206 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1209
1210 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1211
1212         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1213         build_pairwise_constraint, dr_equality_constraints,
1214         build_pairwise_scheduling_equality,
1215         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1216         build_lexicographically_gt_constraint, dependence_polyhedron,
1217         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1218         Move from NNC_Polyhedron to C_Polyhedron.
1219         * graphite-interchange.c (compute_array_size_poly,
1220         gather_access_strides): Dito.
1221         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1222         free_scop, pbb_number_of_iterations): Dito.
1223         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1224         pbb_dim_iter_domain, struct scop): Dito.
1225         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1226         new_Cloog_Domain_from_ppl_Polyhedron,
1227         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1228         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1229         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1230         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1231         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1232         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1233         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1234         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1235         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1236         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1237         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1238         build_scop_iteration_domain, build_poly_dr): Dito
1239
1240 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1243         run-id-*.c files.
1244         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1245
1246 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1249         positivity constraint on the symbolic number of iterations.
1250
1251 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1252
1253         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1254
1255 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1256             Tobias Grosser  <grosser@fim.uni-passau.de>
1257
1258         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1259         (build_cloog_prog): Directly use SCOP_CONTEXT.
1260         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1261         (free_scop): Free SCOP_CONTEXT.
1262         (print_scop_context): New.
1263         (print_scop): Call print_scop_context.
1264         (debug_scop_context): New.
1265         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1266         (struct scop): Added field context.
1267         (SCOP_CONTEXT): New.
1268         * graphite-sese-to-poly.c (add_param_constraints): New.
1269         (build_scop_context): New.
1270         (build_poly_scop): Call build_scop_context.
1271
1272 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1275         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1276         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1277         * graphite-ppl.h: Include double-int.h and tree.h.
1278         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1279         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1280         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1281         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1282
1283 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1284
1285         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1286         POINTER_PLUS_EXPR for pointer types.
1287         (clast_to_gcc_expression): Same.
1288
1289 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1290
1291         * graphite-poly.c (print_scattering_function): Early return when
1292         PBB_TRANSFORMED_SCATTERING is not initialized.
1293         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1294
1295 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1296
1297         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1298         to fix bootstrap.
1299
1300 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1301
1302         * tree-parloops.c (analyze_reduction_list): Change return
1303         value to void.
1304         (try_create_reduction_list): Move the call to
1305         analyze_reduction_list to the beginining.
1306         Call reduction_phi with analyzed_reductions as argument
1307         instead of reduction_list.
1308
1309 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1310
1311         *  Merge from mainline (r148296:149346)
1312
1313 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * graphite-scop-detection.c (graphite_can_represent_init): New.
1316         (graphite_can_represent_scev): Call graphite_can_represent_init:
1317         check that the initial value does not contain multiplications of
1318         parameters.
1319         (stmt_has_simple_data_refs_p): New.
1320         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1321         (is_simple_operand): Fix formatting.
1322         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1323
1324 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1325
1326         * testsuite/gcc.dg/graphite/id-13.c: New.
1327         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1328         analyze_scalar_evolution, use scalar_evolution_in_region.
1329         (scan_tree_for_params_right_scev): Add extra assert.
1330         (parameter_index_in_region_1): Split from parameter_index_in_region.
1331         (idx_record_params): Use scalar_evolution_in_region.
1332         (find_params_in_bb): Same.
1333         (find_scop_parameters): Same.
1334         (build_loop_iteration_domains): Same.
1335         (create_linear_expr_from_tree): Same.
1336         * sese.c (scalar_evolution_in_region): New.
1337         * sese.h (scalar_evolution_in_region): Declared.
1338         (defined_in_sese_p): New.
1339         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1340         static anymore.
1341         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1342         Declared.
1343
1344 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1345
1346         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1347         TREE_DATA_REF_H also implies SCEV_H.
1348
1349 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1350
1351         * graphite-poly.c (print_scop_params): New.
1352         (print_scop): Call print_scop_params.
1353         (debug_scop_params): New.
1354         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1355
1356 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1357
1358         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1359         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1360         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1361         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1362         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1363         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1364
1365 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1366
1367         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1368         for dependency checking part.
1369         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1370         tests for dependency checking.
1371         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1372         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1373         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1374         flag -fdump-tree-graphite-all for autopar testsuites.
1375
1376 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1377
1378         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1379         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1380         canonicalize_loop_ivs): Moved...
1381         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1382
1383 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1384
1385         * tree-parloops.c (try_create_reduction_list): Pass an extra
1386         argument analyzed_reductions.  Call analyze_reduction_list.
1387         (gen_parallel_loop): Do not call analyze_reduction_list.
1388         (parallelize_loops): Init and finalize analyzed_reductions.
1389
1390 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1391
1392         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1393         Added flag -fno-loop-strip-mine for autopar testcase.
1394
1395 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1396
1397         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1398         transformed scattering dimension instead of unmatch orignal when
1399         calling dependence_polyhedron.
1400
1401 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1402
1403         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1404
1405 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1408         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1409
1410 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1413         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1414         * graphite-poly.c (pbb_number_of_iterations): New.
1415         * graphite-poly.h (pbb_number_of_iterations): Declared.
1416         (pbb_iterator_dim, pbb_parameter_dim): New.
1417
1418 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1419
1420         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1421         last commit on type of lower and upper bound of loops.
1422
1423 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1424
1425         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1426         graphite-dependences.h.
1427         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1428         (mark_bb_with_pbb): New.
1429         (get_stmtfor_depth): New.
1430         (find_pbb_via_hash): New.
1431         (dependency_in_loop_p): New.
1432         (mark_loops_parallel): New.
1433         (free_aux_in_new_loops): New.
1434         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1435         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1436         innermost loop parallel without checking.
1437         (gloog): Add parameter BB_PBB_MAPPING.
1438         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1439         (gloog): Change declaration.
1440         (mark_loop_parallel): Make extern.
1441         (free_aux_in_new_loops): Declare.
1442         (bb_pbb_map_hash): New.
1443         (eq_bb_pbb_map): New.
1444         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1445         auto parallelization when flag_graphite_force_parallel is set.
1446         (graphite_finalize): Added free_aux_in_new_loops.
1447         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1448         the innermost loop that marked parallel.  Use
1449         flag_graphite_force_parallel instead of loop->can_be_parallel.
1450         (loop_parallel_p): Move inner most checking out of function.
1451
1452 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1455         type of lower and upper bound of loops signed long int.
1456
1457 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1460         expression outside the loop.
1461
1462 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1463
1464         * gcc.dg/graphite/interchange-8.c: New.
1465
1466 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * gcc.dg/graphite/interchange-0.c: XFailed.
1469         * gcc.dg/graphite/interchange-5.c: XFailed.
1470         * gcc.dg/graphite/interchange-6.c: XFailed.
1471
1472 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1473
1474         * graphite-interchange.c (compute_array_size_poly): The end of the
1475         recursion should return 1.
1476
1477 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1478
1479         * graphite-interchange.c (compute_array_size_cstr): Allow the
1480         subscript multiplier to be -1.
1481         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1482         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1483         data_container.  Initializes PDR_DATA_CONTAINER.
1484         (print_pdr_access_layout): New.
1485         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1486         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1487         data_container.
1488         (PDR_DATA_CONTAINER): New.
1489         (new_poly_dr): Update declaration.
1490         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1491         (build_poly_dr): Call pdr_add_data_dimensions.
1492
1493 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1494
1495         * graphite-poly.h (struct poly_dr): Fix comment.
1496         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1497         (pdr_add_memory_accesses): New.
1498         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1499
1500 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1501
1502         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1503         (print_pbb): Add call to print_pdrs.
1504         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1505
1506 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1507             Li Feng <nemokingdom@gmail.com>
1508
1509         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1510         (dependency_between_pbbs_p): New.
1511         (lexicographically_gt_p): Assure !empty_p before polyhedron
1512         intersection assign.
1513         (build_lexicographically_gt_constraint): Correct lexicographically
1514         judging.
1515         * graphite-dependences.h: New.
1516         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1517
1518 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1521         (gloog): Print to dump_file the generated clast.
1522         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1523         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1524
1525 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1526
1527         * graphite-poly.c (extend_scattering): Increment
1528         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1529
1530 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * graphite-interchange.c (compute_array_size_poly): Added exit of
1533         recursion condition.  Continue iterating even after the first equality.
1534         (compute_array_size): Same.
1535
1536 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1537
1538         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1539         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1540         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1541         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1542         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1543
1544 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1545
1546         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1547         only when the use verifies is_gimple_reg.
1548
1549 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1552         Allocate scaldims after call to unify_scattering_dimensions.
1553
1554 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1555
1556         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1557
1558 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1559             Albert Cohen  <albert.cohen@inria.fr>
1560
1561         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1562         variables for the strip mining.
1563
1564 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1565             Pranav Garg  <pranav.garg2107@gmail.com>
1566
1567         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1568         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1569         (graphite-blocking.o): New rule.
1570         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1571         * graphite-blocking.c: New.
1572         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1573         flag_loop_strip_mine.
1574         (psct_scattering_dim_for_loop_depth): New.
1575         * graphite-poly.h (scop_do_strip_mine): Declared.
1576         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1577         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1578         flag_loop_strip_mine.
1579
1580 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1583         a GMP value and a PPL coefficient at each iteration of a loop.
1584
1585 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1586
1587         * graphite-dependences.c (dependence_polyhedron): Do not use
1588         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1589         pbb_nb_scattering_transform.
1590         (graphite_legal_transform_dr): Same.
1591         * graphite-poly.c (extend_scattering): Same.
1592         (unify_scattering_dimensions): Same.
1593         (print_scattering_function): Same.
1594         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1595         PBB_NB_LOCAL_VARIABLES.
1596         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1597         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1598         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1599         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1600         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1601         (pbb_nb_scattering_transform): New.
1602         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1603         (psco_scattering_dim): Add assert on parameters.
1604         (psct_scattering_dim): Same.
1605         (psct_scattering_dim_for_loop_depth): Declared.
1606         (psct_local_var_dim): New.
1607         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1608         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1609         correct layout, call pbb_nb_local_vars.
1610         (psct_add_local_variable, psct_add_scattering_dimension): New.
1611         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1612         Initialize PBB_NB_SCATTERING_TRANSFORM.
1613
1614 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1615
1616         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1617         (set_coef): Renamed ppl_set_coef.
1618         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1619
1620 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1621
1622         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1623         test a boolean against 1.
1624         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1625         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1626         (pbb_do_interchange): Returns true when a transform has been performed.
1627         (scop_do_interchange): Same.
1628         * graphite-poly.c (apply_poly_transforms): Use the return value of
1629         scop_do_interchange.
1630         * graphite-poly.h (scop_do_interchange): Update declaration.
1631
1632 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1633
1634         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1635         after last use.
1636         * sese.c (sese_reset_aux_in_loops): New.
1637         * sese.h (sese_reset_aux_in_loops): New.
1638
1639 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1640
1641         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1642         multiplier and multiply the constant by the multiplier.
1643         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1644         (build_poly_dr): Do not use the multiplier to define the subscript.
1645
1646 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1647
1648         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1649         compiler's data reference.  Initialize PDR_CDR.
1650         (print_pdr): Call dump_data_reference.
1651         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1652         Add compiler_dr field.
1653         (PDR_BB): Renamed PDR_PBB.
1654         (PDR_CDR): New.
1655         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1656         GCC's data reference representation.
1657         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1658         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1659
1660 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1661
1662         * graphite-poly.c (print_scattering_function): Also print the layout.
1663         * graphite-poly.h (pbb_nb_local_vars): New.
1664
1665 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1666
1667         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1668
1669 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-poly.c (print_pdr, debug_pdr): New.
1672         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1673         (PDR_BASE): Removed.
1674
1675 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1678         ltrans-{1..6,8}.c.
1679
1680 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1681
1682         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1683         subscript identification column.
1684         (pbb_do_interchange): Print to dump_file that some loops "will be
1685         interchanged".  Rely on that chain of characters in the testcases.
1686         * gcc.dg/graphite/interchange-0.c: New.
1687         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1688         interchange-*.c files and compile them with -floop-interchange.
1689
1690 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1691
1692         * graphite-interchange.c (interchange_profitable_p): Renamed
1693         pbb_interchange_profitable_p.
1694
1695 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1696             Harsha Jagasia  <harsha.jagasia@amd.com>
1697             Pranav Garg  <pranav.garg2107@gmail.com>
1698
1699         * graphite-interchange.c (interchange_profitable_p): Make static.
1700         (pbb_interchange_loop_depths, pbb_do_interchange,
1701         scop_do_interchange): New.
1702         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1703         for flag_loop_interchange.
1704         * graphite-poly.h (scop_do_interchange): Declared.
1705         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1706         flag_loop_interchange is used.
1707
1708 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1709
1710         * graphite-dependences.c (dependence_polyhedron): Update use of
1711         pbb_nb_scattering_dims.
1712         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1713         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1714         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1715         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1716
1717 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1718
1719         * graphite.c: Cleanup foo.
1720
1721 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1722
1723         * Merge from mainline (r143684:148293).
1724         * Disabled libpcp until it gets fixed.
1725
1726 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1727             Harsha Jagasia  <harsha.jagasia@amd.com>
1728
1729         * graphite-interchange.c: New.
1730         * Makefile.in (graphite-interchange.o): New.
1731         * graphite-poly.h (interchange_profitable_p): Declared.
1732         * graphite-ppl.h (value_max): New.
1733
1734 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1737         * graphite-poly.h: Fix some comments.
1738         (pdr_dim): New.
1739         (pdr_scop): New.
1740
1741 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1742
1743         * graphite-poly.h
1744         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1745         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1746         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1747         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1748         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1749         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1750         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1751         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1752         * graphite-clast-to-gimple.c: Same.
1753         * graphite-dependences.c: Same.
1754         * graphite-poly.c: Same.
1755         * graphite-sese-to-poly.c: Same.
1756
1757 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1758
1759         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1760         expressions for an IV rename, as returned by clast_to_gcc_expression.
1761         (copy_renames): Rename new_name to expr.
1762         * sese.c (debug_rename_elt): Same.
1763         (get_rename): Same.
1764         (set_rename): Same.
1765         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1766         the information from the rename map.
1767         (rename_variables_in_stmt): Same.
1768         (add_loop_exit_phis): Rename new_name to expr.
1769         (insert_loop_close_phis): Same.
1770         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1771         * sese.h (struct rename_map_elt): Rename new_name to expr.
1772         (new_rename_map_elt): Same.
1773
1774 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1775
1776         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1777         * sese.c (set_rename): Make it extern.
1778         * sese.h (set_rename): Declared.
1779
1780 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-poly.c (extend_scattering): Free values.
1783         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1784         Free iterators.
1785         (ppl_print_powerset_matrix): Same.
1786         * graphite-scop-detection.c (free_scops_1): New.
1787         (limit_scops): Call free_scops_1.
1788         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1789         (build_poly_dr): Free PPL coefficients.
1790         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1791
1792 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1793
1794         * graphite-dependences.c: New.
1795         * graphite-data-ref.c: Removed.
1796         * graphite-data-ref.h: Removed.
1797         * Makefile.in (graphite-data-ref.o): Removed.
1798         (graphite-dependences.o): Added.
1799         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1800         * graphite-poly.c: Same.
1801         Move the data dependence testing to graphite-dependences.c.
1802
1803 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1804
1805         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1806         from graphite_cannot_represent_loop. Code refactored.
1807         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1808
1809 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1810
1811         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1812         Cover all the testcases (not only the filtered ones).
1813
1814 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1815
1816         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1817         unnecessary check. Update comments. Move check for REAL_TYPE here.
1818         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1819         done in (stmt_simple_for_scop_p).
1820
1821 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1822
1823         * graphite.c (print_global_statistics): New.
1824         (print_graphite_scop_statistic): New.
1825         (print_graphite_statistics): New.
1826         (graphite_initialize, graphite_transform_loops): Print statistics.
1827         * graphite-scop-detection (build_scops): Print statistics.
1828         (print_graphite_scop_statistics): New.
1829         (print_graphite_statistics): New.
1830
1831 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1832
1833         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1834         (debug_clast_name_index): Removed.
1835         (debug_clast_name_indexes_1): Removed.
1836         (debug_clast_name_indexes): Removed.
1837         (clast_name_index_elt_info): Removed.
1838         (eq_clast_name_indexes): Removed.
1839         (clast_name_to_index): Removed.
1840         (new_clast_name_index): Removed.
1841         (save_clast_name_index): Removed.
1842         (save_var_name): Moved...
1843         (init_sese_params_index): Removed.
1844         (clast_name_to_gcc): Remove use of name_tree.
1845         (initialize_cloog_names): Same.
1846         (gloog): Do not call init_sese_params_index.
1847         * graphite-sese-to-poly.c (save_var_name): ...here.
1848         (parameter_index_in_region): New.
1849         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1850         (parameter_index_in_region): Removed.
1851         (is_parameter): Remove use of name_tree.
1852         * sese.h (struct name_tree): Removed.
1853         (struct sese): Remove use of name_tree.  New field params_names.
1854         (SESE_PARAMS_NAMES): New.
1855         (SESE_PARAMS): Remove duplicate.
1856         (parameter_index_in_region): Removed.
1857         (sese_nb_params): Remove use of name_tree.
1858         (struct clast_name_index): New.
1859         (new_clast_name_index): New.
1860         (clast_name_to_index): New.
1861         (save_clast_name_index): New.
1862         (debug_clast_name_index): New.
1863         (debug_clast_name_indexes_1): New.
1864         (debug_clast_name_indexes): New.
1865         (clast_name_index_elt_info): New.
1866         (eq_clast_name_indexes): New.
1867
1868 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1869
1870         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1871         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1872         (graphite_loop_normal_form): Do not pass region.  Do not
1873         initialize SESE_OLDIVS.
1874         (build_graphite_loop_normal_form): Update call to
1875         graphite_loop_normal_form.
1876         * sese.c (debug_oldivs): Removed.
1877         (new_sese): Do not initialize SESE_OLDIVS.
1878         (free_sese): Do not free SESE_OLDIVS.
1879         (oldiv_for_loop): Removed.
1880         * sese.h (struct sese): Remove old_ivs.
1881         (SESE_OLDIVS): Removed.
1882         (oldiv_for_loop): Removed.
1883
1884 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1887         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1888         replaced by a call to newivs_to_depth_to_newiv.
1889         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1890         (clast_to_gcc_expression_red): Same.
1891         (gcc_type_for_clast_expr): Same.
1892         (gcc_type_for_clast_eq): Same.
1893         (graphite_translate_clast_equation): Same.
1894         (graphite_create_guard_cond_expr): Same.
1895         (graphite_create_new_guard): Same.
1896         (graphite_create_new_loop): Same.
1897         (build_iv_mapping): Same.
1898         (translate_clast): Same.
1899         (gloog): Same.
1900         (loop_iv_stack_patch_for_consts): Removed.  *
1901         sese.c (iv_stack_entry_is_constant): Removed.
1902         (iv_stack_entry_is_iv): Removed.
1903         (loop_iv_stack_push_iv): Removed.
1904         (loop_iv_stack_insert_constant): Removed.
1905         (loop_iv_stack_pop): Removed.
1906         (loop_iv_stack_get_iv): Removed.
1907         (loop_iv_stack_get_iv_from_name): Removed.
1908         (debug_loop_iv_stack): Removed.
1909         (free_loop_iv_stack): Removed.
1910         (loop_iv_stack_remove_constants): Removed.  *
1911         sese.h (iv_stack_entry_kind): Removed.
1912         (iv_stack_entry_data_union): Removed.
1913         (iv_stack_entry_struct): Removed.
1914         (iv_stack_entry_p): Removed.
1915         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1916         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1917         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1918         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1919         (gbb_loop_at_index): Fix indenting.
1920         (gbb_loop_index): Removed.
1921
1922 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1923
1924         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1925         Call clast_name_to_index.
1926
1927 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1930         do not pass params.  Get params from SESE_PARAMS.
1931         (clast_to_gcc_expression): Same.
1932         (clast_to_gcc_expression_red): Same.
1933         (gcc_type_for_clast_eq): Same.
1934         (graphite_translate_clast_equation): Same.
1935         (graphite_create_new_loop): Same.
1936         * sese.c (rename_variables_in_stmt): Fix comment.
1937
1938 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1941         newivs_index.
1942         Call save_clast_name_index.
1943         (translate_clast): Pass newivs_index.
1944         (gloog): Create and free newivs_index.
1945
1946 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1947
1948         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1949         (clast_name_index_p): New type.
1950         (debug_clast_name_index): New.
1951         (debug_clast_name_indexes_1): New.
1952         (debug_clast_name_indexes): New.
1953         (clast_name_index_elt_info): New.
1954         (eq_clast_name_indexes): New.
1955         (clast_name_to_index): New.
1956         (new_clast_name_index): New.
1957         (save_clast_name_index): New.
1958         (init_sese_params_index): New.
1959         (gloog): Call init_sese_params_index.
1960         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1961         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1962         (free_sese): Free SESE_PARAMS_INDEX.
1963         * sese.h (struct sese): Add params_index.
1964         (SESE_PARAMS_INDEX): New.
1965
1966 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1967
1968         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1969         (graphite_create_new_loop): Pass the newivs vector.  Push the
1970         newly created IV to newivs.
1971         (translate_clast): Pass the newivs vector.
1972         (gloog): Create and destroy the newivs vector.
1973
1974 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1977         (graphite_loop_normal_form): Initialize loop->aux with the unique
1978         IV that has been created.
1979
1980 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1981
1982         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1983         scev with parameters in the base part. They where forbidden
1984         exidently.
1985
1986 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1987
1988         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1989         compile options by file names.
1990         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1991         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1992         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1993         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1994
1995 2009-05-08  Li Feng <nemokingdom@gmail.com>
1996
1997         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1998         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1999         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
2000         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
2001
2002 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2003
2004         * graphite-scop-detection (build_scops_1): Fix little bug introduced
2005         by final cleanup.
2006
2007 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
2008
2009         * graphite-scop-detection.c (graphite_can_represent_scev): Only
2010         allow integer constant strides.
2011         (graphite_can_represent_expr): Depend on outermost_loop.
2012         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2013         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2014         build_scops_1): Same.
2015         (scopdet_basic_block_info): Same and insert layered SCoP
2016         detection.
2017         (try_generate_gimple_bb): Cleanup.
2018         (build_scops): Enable data references.
2019
2020         * testsuite/gcc.dg/graphite/id-5.c: New.
2021         * testsuite/gcc.dg/graphite/id-9.c: New.
2022         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2023         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2024
2025 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2026
2027         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2028         that we have not yet built for this SCoP.
2029
2030 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2031
2032         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2033         for complex numbers.
2034
2035 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2036
2037         * graphite-ppl.c: Fix build if cloog is not available.
2038
2039 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2040
2041         * tree-parloops.c (loop_parallel_p): Remove construction of
2042         NITER and REDUCTION_LIST.
2043         (try_get_loop_niter): New.
2044         (try_create_reduction_list): New.
2045         (parallelize_loops): Bypass the failed checkings in autopar
2046         when can_be_parallel in loop structure is set to true.
2047
2048 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2049
2050         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2051         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2052
2053 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2054
2055         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2056         Enable EQ_EXPR and NE_EXPR again.
2057
2058 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2059
2060         * graphite-scop-detection.c (graphite_can_represent_scev):
2061         Add check if scev is affine multivariate.
2062         (harmful_stmt_in_bb): Check if we can represent the conditions.
2063         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2064         harmful_stmt_in_bb.
2065         * testsuite/gcc.dg/graphite/id-7.c: New.
2066
2067 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2068
2069         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2070         Check all bbs in region, not only the bbs that are represented in
2071         GRAPHITE.
2072         (build_poly_scop): Add newline.
2073         * testsuite/gcc.dg/graphite/id-8.c: New.
2074
2075 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2076
2077         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2078         when loop initialize.
2079         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2080         * common.opt: Declare flag_graphite_force_parallel.
2081         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2082         loop parallel.
2083         * graphite-poly.c (apply_poly_transforms): Introduce
2084         flag_graphite_force_parallel.
2085         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2086         * toplev.c (process_options): ditto and replace a not correctly
2087         encoded space.
2088
2089 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2090
2091         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2092         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2093         to the redefinition.
2094         (compute_cloog_iv_types_1): ditto.
2095         (build_iv_mapping): ditto.
2096         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2097         initialization.
2098         (free_gimple_bb): Removed GBB_LOOPS related free part.
2099         (build_bb_loops): Removed.
2100         * sese.h (struct gimple_bb): Removed loops.
2101         (GBB_LOOPS): Removed.
2102         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2103         (gbb_loop_index): ditto.
2104
2105 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2106
2107         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2108         allow non constant strides.
2109         * testsuite/gcc.dg/graphite/scop-20.c: New.
2110
2111 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * graphite-scop-detection.c (dot_all_scops): Fix system call
2114         return value warning.
2115         (dot_scop): Same.
2116
2117 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2118
2119         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2120         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2121
2122 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2123
2124         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2125         build_pairwise_constraint, dr_equality_constraints,
2126         build_pairwise_scheduling_equality,
2127         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2128         build_lexicographically_gt_constraint, dependence_polyhedron,
2129         graphite_legal_transform_dr, graphite_legal_transform_bb,
2130         graphite_legal_transform): New.
2131         * graphite-poly.h (graphite_legal_transform): Declared.
2132         * graphite-sese-to-poly.c (build_poly_scop): Call to
2133         graphite_legal_transform is disabled for the moment.
2134
2135 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2136
2137         * graphite-poly.h (pbb_nb_scattering_dims): New.
2138         (pbb_nb_scattering): Use it.
2139
2140 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2143         Pointset_Powerset version of ppl_insert_dimensions.
2144         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2145
2146 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2147
2148         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2149
2150 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * graphite-poly.h: Fix comment.
2153
2154 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2155
2156         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2157
2158 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2159
2160         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2161         statements.
2162
2163 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2164
2165         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2166         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2167         conditions.
2168
2169 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2170
2171         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2172         handle EQ_EXPR and NE_EXPR.
2173
2174 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2175
2176         * graphite-poly.h (poly_dr): Fix comment.
2177
2178 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2179             Tobias Grosser  <grosser@fim.uni-passau.de>
2180
2181         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2182         with a zero dimension polyhedron.
2183         (find_scop_parameters): Move the call to scop_set_nb_params here.
2184         (build_loop_iteration_domains): Store in loop->aux the iteration
2185         domain polyhedron.
2186         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2187         by any loop in scop.
2188         (build_poly_scop): Do not call scop_set_nb_params.
2189
2190 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2191             Tobias Grosser  <grosser@fim.uni-passau.de>
2192
2193         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2194         add_condition_to_domain not GT_EXPR.
2195
2196 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2197
2198         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2199         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2200         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2201         upper_bound_assign to calculate unions.
2202         * testsuite/gcc.dg/graphite/id-6.c: New.
2203
2204 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2205
2206         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2207         handle abnormal edges.
2208
2209 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2210
2211         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2212         (free_poly_bb): Also free poly_drs.
2213         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2214         (poly_dr): Polyhedron to Pointset_Powerset.
2215         (pdr_accessp_nb_subscripts): Same.
2216         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2217         poly_drs.
2218
2219 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2222         names into more meaningful names.
2223
2224 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2225
2226         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2227         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2228
2229 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2230
2231         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2232         the reduction_list.
2233         * tree-parloops.c (rewrite_phi_with_iv): New.
2234         (rewrite_all_phi_nodes_with_iv): New.
2235         (canonicalize_loop_ivs): Call them.
2236
2237 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2240         graphite_find_data_references_in_stmt.
2241         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2242         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2243
2244 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2245
2246         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2247
2248 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2249
2250         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2251         instead of bb_in_region.
2252         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2253         (build_sese_conditions): Use flag_bb_in_sese.
2254         * sese.c (register_bb_in_sese): Removed.
2255         (new_sese): Remove initialization of SESE_REGION_BBS.
2256         (free_sese): Do not free SESE_REGION_BBS.
2257         * sese.h (struct sese): Remove field region_basic_blocks.
2258         (SESE_REGION_BBS): Removed.
2259         (bb_in_sese_p): Implement in function of bb_in_region.
2260
2261 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2264         loops.
2265
2266 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2267
2268         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2269         and EQ_EXPR.
2270         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2271         (add_condition_to_domain): New.
2272         (add_condition_to_pbb): New.
2273         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2274         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2275
2276 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2277
2278         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2279         ppl_Pointset_Powerset.
2280         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2281         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2282         (pbb_nb_loops): Same.
2283         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2284         add_conditions_to_domain): Same.
2285         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2286         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2287         ppl_const_Polyhedron_t.
2288         (ppl_print_powerset_matrix): New.
2289         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2290         ppl_print_powerset_matrix): New.
2291         (ppl_print_polyhedron_matrix): Updated.
2292
2293 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2294
2295         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2296
2297 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2298
2299         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2300         (print_iteration_domains, debug_iteration_domain,
2301         debug_iteration_domains): New.
2302         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2303         debug_iteration_domains): Declared.
2304         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2305         indenting.
2306
2307 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2308             Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-poly.h (print_iteration_domain): New.
2311         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2312         (build_sese_conditions_1, build_sese_conditions_after,
2313         build_sese_conditions_before): New.
2314         (build_sese_conditions): Rewritten.
2315
2316 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2317             Tobias Grosser  <grosser@fim.uni-passau.de>
2318
2319         Cleanup of code generation liveouts.
2320         * graphite-clast-to-gimple.c (translate_clast): Use a single
2321         rename_map instead of one per translated statement.
2322         Do not use SESE_LIVEOUT_RENAMES.
2323         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2324         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2325         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2326         phi node of a reduction: when a loop contains a reduction used outside
2327         the loop, there should be a scalar close phi node on the exit block.
2328         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2329         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2330         (free_sese): Do not free them.
2331         (sese_build_liveouts_use): Do not use them.
2332         (sese_build_liveouts_bb): Same.
2333         (sese_build_liveouts): Same.
2334         (sese_insert_phis_for_liveouts): Same.
2335         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2336         (defined_in_loop_p): New.
2337         (alive_after_loop): New.
2338         (close_phi_not_yet_inserted_p): New.
2339         (struct alep, alep_p): New.
2340         (add_loop_exit_phis): Remove from the rename_map all the names defined
2341         in the code generated loop.
2342         (insert_loop_close_phis): Traverse the rename_map passed to it.
2343         Don't use SESE_LIVEOUT_RENAMES.
2344         (default_liveout_before_guard): Renamed default_before_guard.
2345         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2346         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2347         (register_sese_liveout_renames): Removed.
2348         (copy_bb_and_scalar_dependences): Do not call it.
2349         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2350         reduction_list.
2351         (SESE_LIVEOUT): Removed.
2352         (SESE_LIVEOUT_RENAMES): Removed.
2353         (SESE_REDUCTION_LIST): Removed.
2354         (sese_build_liveouts): Removed.
2355         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2356         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2357         (insert_guard_phis): Same.
2358         (rename_map_elt): Declare a VEC of them.
2359         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2360         trees not pointers to trees.
2361
2362         Rewrite in canonical close SSA form:
2363         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2364         (limit_scops): Close the scop after the block containing the close phi
2365         nodes.
2366         (canonicalize_loop_closed_ssa): New.
2367         (canonicalize_loop_closed_ssa_form): New.
2368         (build_scops): Call canonicalize_loop_closed_ssa_form.
2369
2370         * graphite-sese-to-poly.c: Fix typos.
2371
2372 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2375         Extended.
2376         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2377         (print_pbb): Add conditions.
2378
2379 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2380             Sebastian Pop  <sebastian.pop@amd.com>
2381
2382         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2383         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2384         (build_scop_bbs_1): New.
2385         (build_scop_bbs): Rewrite.
2386         * sese.h (bb_in_region): New.
2387
2388 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2389
2390         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2391         poly_drs vector.
2392         (print_scop): Style.
2393         * graphite-poly.h (poly_bb): Add drs vector.
2394         (PBB_DRS): Add accessor.
2395         * graphite-sese-to-poly.c (build_poly_dr): New.
2396         (build_pbb_drs, build_scop_drs): New.
2397         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2398
2399 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2400
2401         * tree-ssa-loop.c: Include forgotten toplev.h
2402
2403 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2404
2405         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2406         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2407         * testsuite/gcc.dg/graphite/pr37928.c: Same
2408         * testsuite/gcc.dg/graphite/pr38409.c: Same
2409         * testsuite/gcc.dg/graphite/pr38498.c: Same
2410         * testsuite/gcc.dg/graphite/pr38559.c: Same
2411         * testsuite/gcc.dg/graphite/pr39335.c: Same
2412         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2413         * testsuite/gfortran.dg/graphite/block-2.f: Same
2414         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2415         with -floop-*.
2416
2417 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2418
2419         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2420         build_access_matrix, build_scop_data_accesses): Remove access function
2421         building. (We get a new version soon).
2422         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2423         * sese.h (nb_loops_around_loop_in_sese): Remove.
2424         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2425
2426 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2427             Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-scop-detection.c (struct scopdet_info): Rename last
2430         field to exit.
2431         (scopdet_basic_block_info, build_scops_1): Don't use
2432         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2433
2434 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2435             Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2438         * sese.c (sese_build_liveouts_use): Renamed from
2439         sese_build_livein_liveouts_use. Remove liveins.
2440         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2441         Call sese_build_liveouts_use.
2442         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2443         Call sese_build_liveouts_bb.
2444         (new_sese, free_sese): Remove liveins.
2445         (sese_add_exit_phis_var): Deleted.
2446         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2447         directly.
2448         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2449
2450         * sese.h (sese): Remove num_ver and livein.
2451         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2452
2453 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2454
2455         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2456
2457 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2458
2459         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2460         (build_scop_scattering): Do not use compare_prefix_loops any more.
2461         (nb_common_loops): New.
2462
2463 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2464
2465         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2466         (register_old_and_new_names): Renamed set_rename.
2467
2468 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2469
2470         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2471         of the decl from the previous commit.
2472
2473 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         * graphite-scop-detection.c (dot_scop): New.
2476         * graphite-scop-detection.h (dot_scop): Declared.
2477
2478 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2479
2480         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2481
2482 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2485         condition at the end of the loop.
2486         * graphite.c (graphite_initialize, graphite_finalize): Print to
2487         dump_file the compiled function.
2488         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2489         of create_empty_loop_on_edge.
2490         (translate_clast): Update the code generation of loops for the new
2491         shape of loops.
2492         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2493
2494 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         Reverted the patch from 2009-03-19.
2497
2498 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2499
2500         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2501         poly_drs vector.
2502         (print_scop): Style.
2503         * graphite-poly.h (poly_bb): Add drs vector.
2504         (PBB_DRS): Add accessor.
2505         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2506         (build_access_matrix_with_af, build_access_matrix,
2507         build_scop_data_accesses): Delete.
2508         (build_poly_dr): New.
2509         (build_pbb_drs, build_scop_drs): New.
2510         (build_poly_scop): call build_scop_drs.
2511
2512 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2515         once per basic block.
2516
2517 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2518
2519         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2520         (graphite_can_represent_expr): Renamed from loop_affine_expr
2521         and enhanced.
2522         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2523         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2524         (scopdet_basic_block_info): Actually define entry_block.
2525         (stmt_simple_memref_p): Moved here from ...
2526
2527         * tree-data-ref.c (stmt_simple_memref_p): here.
2528         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2529
2530 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2531
2532         * testsuite/gcc.dg/graphite/id-4.c: New.
2533
2534 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2535
2536         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2537         (register_old_and_new_names): Update the content of the map.
2538         When there was already a rename_map_elt in the map at that
2539         location, free it.
2540         (copy_bb_and_scalar_dependences): Do rename_variables after
2541         expand_scalar_variables.
2542         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2543         of the map.  When there was already a rename_map_elt in the
2544         map at that location, free it.
2545         (translate_clast): Pass the rename_map.  Do not initialize and free
2546         a rename_map per stmt_user.
2547         (gloog): Initialize and free one rename_map and pass it to
2548         translate_clast.
2549
2550 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2551
2552         * sese.c (expand_scalar_variables_stmt,
2553         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2554         parameter.
2555         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2556         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2557         the gimple_stmt_iterator of the statement to be expanded.
2558         * graphite-scop-detection.c (is_simple_operand): Do handle
2559         REALPART_EXPR.
2560
2561 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2562
2563         * graphite-scop-detection.c (is_simple_operand): Do not handle
2564         REALPART_EXPR.
2565         * testsuite/gcc.dg/graphite/id-2.c: New.
2566
2567         * graphite-sese-to-poly.c (build_bb_loops,
2568         add_value_to_dim, scan_tree_for_params_right_scev,
2569         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2570         find_params_in_bb, build_loop_iteration_domains,
2571         add_conditions_to_domain): Remove subtract.
2572
2573 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2574
2575         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2576         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2577         pbb_loop_at_index -> gbb_loop_at_index.
2578         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2579         (debug_loop_vec): Delete.
2580         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2581         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2582         (PBB_LOOPS): Removed.
2583         (PBB_BLACK_BOX): Insert cast.
2584         (pbb_set_black_box): New setter.
2585         (pbb_loop_at_index, pbb_loop_index): Removed.
2586         (scop_set_region, scop_set_nb_params): New.
2587         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2588         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2589         (build_poly_scop): Use scop_set_nb_params.
2590         * sese.h (gimple_bb): Add LOOPS.
2591         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2592
2593 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2594
2595         Revert previous commit.
2596
2597 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2600         (register_old_and_new_names): Update the content of the map.
2601         When there was already a rename_map_elt in the map at that
2602         location, free it.
2603         (copy_bb_and_scalar_dependences): Do rename_variables after
2604         expand_scalar_variables.
2605         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2606         of the map.  When there was already a rename_map_elt in the
2607         map at that location, free it.
2608         (translate_clast): Pass the rename_map.  Do not initialize and free
2609         a rename_map per stmt_user.
2610         (gloog): Initialize and free one rename_map and pass it to
2611         translate_clast.
2612
2613 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2614
2615         Remove forgotten line in revert.
2616
2617 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2618
2619         Revert previous commit.
2620
2621 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2622
2623         * sese.c (register_old_and_new_names): Update the content
2624         of the map.  When there was already a rename_map_elt in the
2625         map at that location, free it.
2626         (copy_bb_and_scalar_dependences): Do rename_variables after
2627         expand_scalar_variables.
2628         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2629         of the map.  When there was already a rename_map_elt in the
2630         map at that location, free it.
2631         (translate_clast): Pass the rename_map.  Do not initialize and free
2632         a rename_map per stmt_user.
2633         (gloog): Initialize and free one rename_map and pass it to
2634         translate_clast.
2635
2636 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * graphite-clast-to-gimple.c (translate_clast): context_loop
2639         is never NULL.
2640
2641 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2642             Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2645         of the use of ppl_Polyhedron_map_space_dimensions.
2646
2647 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2648             Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2651         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2652         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2653         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2654         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2655         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2656         pbb_nb_params): New.
2657         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2658         nb_loops_around_pbb): Adapt return types.
2659
2660 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2661
2662         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2663         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2664         graphite-scop-detection.o, graphite-poly.o): Add
2665         more headers.
2666
2667 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2668
2669         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2670         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2671         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2672
2673 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2674
2675         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2676         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2677         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2678         * testsuite/gcc.dg/graphite/block-0.c: Same.
2679         * testsuite/gcc.dg/graphite/block-1.c: Same.
2680         * testsuite/gcc.dg/graphite/block-2.c: Same.
2681         * testsuite/gcc.dg/graphite/block-3.c: Same.
2682         * testsuite/gcc.dg/graphite/block-4.c: Same.
2683         * testsuite/gcc.dg/graphite/block-5.c: Same.
2684         * testsuite/gcc.dg/graphite/block-6.c: Same.
2685         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2686         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2687         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2688         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2689         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2690         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2691         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2692         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2693         * opts.c: Remove -floop-block from -O2.
2694         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2695         -floop-strip-mine are used.
2696
2697 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2698             Sebastian Pop  <sebastian.pop@amd.com>
2699
2700         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2701         dimensions.
2702         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2703         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2704         strip_mine_profitable_p, is_interchange_valid,
2705         graphite_trans_bb_block, graphite_trans_loop_block,
2706         graphite_trans_scop_block): Temporary removed.
2707         (extend_scattering, unify_scattering_dimensions): New.
2708         (print_scattering_function, graphite_read_transforms):
2709         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2710         (graphite_generate_scattering_fns): Removed.
2711         (apply_poly_transforms): Cleanup.
2712         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2713         (schedule_to_scattering): Moved.
2714         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2715         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2716         (pbb_nb_scattering): New.
2717         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2718         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2719         Removed.
2720         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2721         shift_poly.
2722         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2723         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2724         -> PBB_TRANSFORMED_SCATTERING.
2725         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2726         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2727         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2728         (check_poly_representation): Do not return bool.
2729         (graphite_transform_loops): Reformat.
2730         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2731
2732 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2735         debug_pbb_domain, debug_pbb, debug_scop): New.
2736         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2737         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2738
2739 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2740
2741         PR middle-end/39335
2742         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2743         when the type precision of the induction variable should be
2744         larger than the type precision of nit.
2745         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2746         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2747         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2748
2749         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2750         * testsuite/gcc.dg/graphite/pr39335.c: New.
2751
2752 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2755         SSA_NAMES not struct reduction_info.
2756
2757 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2758
2759         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2760
2761 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2762             Tobias Grosser  <grosser@fim.uni-passau.de>
2763
2764         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2765         (free_sese): Free SESE_REDUCTION_LIST.
2766         * sese.h (struct sese): Add field reduction_list.
2767         (SESE_REDUCTION_LIST): New.
2768         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2769         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2770
2771 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2772             Tobias Grosser  <grosser@fim.uni-passau.de>
2773
2774         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2775         of loop_p.
2776
2777 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2778             Tobias Grosser  <grosser@fim.uni-passau.de>
2779
2780         * tree-parloops.c (struct brli, build_reduction_list_info,
2781         analyze_reduction_list, gather_scalar_reductions): New.
2782         (loop_parallel_p): Build a reduction list containing only
2783         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2784         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2785         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2786         * tree-flow.h (gather_scalar_reductions): Declared.
2787
2788 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2789
2790         PR middle-end/39308
2791         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2792         number_of_iterations_exit from a gcc_assert.
2793
2794 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2795             Jan Sjodin  <jan.sjodin@amd.com>
2796
2797         * output.h (graphite_out_file, graphite_in_file): Declared.
2798         * toplev.c (graphite_out_file, graphite_in_file): New.
2799         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2800         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2801         Don't call schedule_to_scattering.
2802         * common.opt (fgraphite-write, fgraphite-read): New.
2803         * graphite-poly.c: Include output.h.
2804         (print_scattering_function, print_scattering_functions,
2805         debug_scattering_function, debug_scattering_functions,
2806         graphite_write_transforms, graphite_read_transforms,
2807         graphite_generate_scattering_fns): New.
2808         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2809         Call graphite_generate_scattering_fns, graphite_write_transforms,
2810         graphite_read_transforms.
2811         (new_poly_bb): Initialize PBB_SCATTERING.
2812         (free_poly_bb): Free PBB_SCATTERING.
2813         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2814         * graphite-poly.h (struct poly_bb): Add field scattering.
2815         (PBB_SCATTERING): New.
2816         (print_scattering_function, print_scattering_functions,
2817         debug_scattering_function, debug_scattering_functions): Declared.
2818         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2819         GMP values, not integers!
2820         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2821         ppl_read_polyhedron_matrix): New.
2822         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2823         debug_ppl_polyhedron_matrix,
2824         ppl_read_polyhedron_matrix): Declared.
2825         * Makefile.in (graphite-poly.o): Depends on output.h.
2826
2827 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2828             Tobias Grosser  <grosser@fim.uni-passau.de>
2829
2830         Revert this change:
2831         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2832         scalar evolutions in the scop_entry->loop_father.
2833
2834 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2835             Tobias Grosser  <grosser@fim.uni-passau.de>
2836
2837         * graphite.h (ref_nb_loops): Remove declaration.
2838         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2839         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2840         debug_gbb): Moved to sese.h.
2841         * sese.h: As said.
2842
2843 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2844             Tobias Grosser  <grosser@fim.uni-passau.de>
2845
2846         * graphite-data-ref.[ch]: Disable.
2847
2848 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2849             Tobias Grosser  <grosser@fim.uni-passau.de>
2850
2851         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2852         scalar evolutions in the scop_entry->loop_father.
2853
2854 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2857         (graphite_cannot_represent_loop_niter): Renamed
2858         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2859         (limit_scops): build_sese_loop_nests does not return a bool.
2860         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2861         * sese.c (nb_reductions_in_loop): ... from here.
2862         (graphite_loop_normal_form): ... from here.
2863         (sese_record_loop): Does not fail, so does not return a bool.
2864         (build_sese_loop_nests): Same.
2865         * sese.h (build_sese_loop_nests): Update declaration.
2866         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2867         (build_graphite_loop_normal_form): New.
2868         (gloog): Call build_graphite_loop_normal_form.
2869         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2870         build_sese_loop_nests.
2871
2872         * testsuite/gcc.dg/graphite/id-1.c: New.
2873
2874 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2875             Tobias Grosser  <grosser@fim.uni-passau.de>
2876
2877         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2878         The SCoP detection fix is sufficient.
2879
2880 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2881
2882         PR tree-optimization/39260
2883         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2884         the basic block contains a condition with a real type.
2885         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2886
2887         * gcc.dg/graphite/pr39260.c: New.
2888
2889 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * graphite-poly.c: Inlcude params.h.
2892         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2893         the size of a tile.
2894         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2895         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2896
2897 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2898             Tobias Grosser  <grosser@fim.uni-passau.de>
2899
2900         * graphite-scop-detection.c (dot_all_scops_1,
2901         dot_all_scops): Moved here.
2902         * graphite-scop-detection.h (dot_all_scops): Declared here.
2903         * graphite.c (graphite_initialize, graphite_finalize): New.
2904         (graphite_transform_loops): Cleaned up.
2905         * sese.c (debug_oldivs): Moved here.
2906         * graphite-poly.c (graphite_apply_transformations): Renamed
2907         apply_poly_transforms.
2908         (debug_loop_vec): Moved here.
2909         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2910         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2911         find_scop_parameters, build_scop_iteration_domain,
2912         add_conditions_to_constraints, build_scop_canonical_schedules,
2913         build_scop_data_accesses): Now static.
2914         (build_poly_scop, check_poly_representation): New.
2915
2916 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2917
2918         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2919         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2920         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2921         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2922         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2923         scan_tree_for_params, struct irp_data, dx_record_params,
2924         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2925         build_loop_iteration_domains, add_conditions_to_domain,
2926         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2927         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2928         build_sese_conditions, add_conditions_to_constraints,
2929         build_scop_iteration_domain, build_access_matrix_with_af,
2930         build_access_matrix,
2931         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2932
2933         * graphite-sese-to-poly.c: New.
2934         * graphite-sese-to-poly.h: New.
2935
2936         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2937
2938 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2939
2940         * graphite.c: Split graphite code generation to a new file.
2941         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2942         max_precision_type, clast_to_gcc_expression_red,
2943         clast_to_gcc_expression, gcc_type_for_clast_expr,
2944         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2945         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2946         graphite_create_new_guard, clast_get_body_of_loop,
2947         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2948         graphite_create_new_loop, build_iv_mapping, copy_renames,
2949         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2950         compute_cloog_iv_types, free_scattering, save_var_name,
2951         initialize_cloog_names, build_scop_context, build_cloog_prog,
2952         set_cloog_options, debug_clast_stmt, scop_to_clast,
2953         print_generated_program, debug_generated_program,
2954         gloog): Moved to graphite-clast-to-gimple.c.
2955
2956         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2957
2958         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2959         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2960         loop_iv_stack_pop, loop_iv_stack_get_iv,
2961         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2962         free_loop_iv_stack, loop_iv_stack_remove_constants,
2963         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2964         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2965         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2966         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2967         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2968         get_vdef_before_sese, sese_adjust_vphi,
2969         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2970         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2971         is_iv, expand_scalar_variables_ssa_name,
2972         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2973         expand_scalar_variables, rename_variables, remove_condition,
2974         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2975         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2976         default_liveout_before_guard, add_guard_exit_phis,
2977         insert_guard_phis, register_old_and_new_names,
2978         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2979         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2980         if_region_set_false_region, create_if_region_on_edge,
2981         move_sese_in_condition): Moved to sese.c.
2982
2983         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2984         if_region_exit, if_region_get_condition_block,
2985         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2986         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2987         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2988         ivtype_map_elt, new_ivtype_map_elt,
2989         recompute_all_dominators): Moved to sese.h.
2990
2991         * graphite-clast-to-gimple.c: New.
2992         * graphite-clast-to-gimple.h: New.
2993         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2994         * sese.c: Modified as said above.
2995         * sese.h: Same.
2996
2997 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite.c: Split scop detection to a new file.
3000         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
3001         move_sd_regions, loop_affine_expr, exclude_component_ref,
3002         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
3003         graphite_cannot_represent_loop_niter, struct scopdet_info,
3004         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
3005         find_single_entry_edge, find_single_exit_edge,
3006         create_single_entry_edge, sd_region_without_exit,
3007         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
3008         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
3009         Moved to graphite-scop-detection.c.
3010
3011         * graphite-scop-detection.c: New.
3012         * graphite-scop-detection.h: New.
3013         * Makefile.in: Add new rule for graphite-scop-detection.o.
3014
3015         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3016         tree-scalar-evolution.h.
3017         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3018         build_sese_loop_nests): Moved here from graphite.c.
3019         (param_index): Renamed parameter_index_in_region.
3020
3021 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3022             Sebastian Pop  <sebastian.pop@amd.com>
3023
3024         * gcc.dg/graphite/block-0.c: Expected to fail now.
3025         * gcc.dg/graphite/block-1.c: Same.
3026         * gcc.dg/graphite/block-5.c: Same.
3027         * gcc.dg/graphite/block-6.c: Same.
3028
3029 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3030             Sebastian Pop  <sebastian.pop@amd.com>
3031
3032         * graphite.h: Separate from graphite_bb_p the polyhedral
3033         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3034         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3035         graphite-data-ref.h.
3036         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3037         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3038         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3039         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3040         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3041         scop_nb_params): Moved to graphite-poly.h.
3042         * graphite-data-ref.c: Same.
3043         * graphite-data-ref.h: New.
3044         * graphite.c: Same.
3045         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3046         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3047         is_interchange_valid, graphite_trans_bb_block,
3048         graphite_trans_loop_block, scop_max_loop_depth,
3049         graphite_trans_scop_block, graphite_apply_transformations,
3050         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3051         graphite-poly.c.
3052         * graphite-poly.h: New.
3053         * graphite-poly.c: New.
3054         * Makefile.in (OBJS-common): Add graphite-poly.o.
3055         (graphite-poly.o): New rule.
3056         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3057         (DR_SCOP): Removed.
3058
3059 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3060             Tobias Grosser  <grosser@fim.uni-passau.de>
3061
3062         * graphite.c: Replace gb -> gbb.
3063         * graphite.h: Same.
3064         * graphite-data-ref.c: Same.
3065
3066 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3067             Tobias Grosser  <grosser@fim.uni-passau.de>
3068
3069         * Makefile.in (OBJS-commmon): Add sese.o.
3070         (sese.o): New.
3071         (graphite.o): Add sese.h.
3072         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3073         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3074         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3075         Move to sese.
3076         (block_before_scop): Add missing return.
3077         (new_scop, free_scop): Remove SESE data structures.
3078         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3079         find_scop_parameters, build_loop_iteration_domains,
3080         add_conditions_to_domain, register_scop_liveout_renames,
3081         copy_bb_and_scalar_dependences): Scop -> SESE.
3082
3083         (add_conditions_to_domain): SCoP -> SESE and remove check
3084         (scop_contains_non_iv_scalar_phi_nodes): New.
3085         (build_scop_conditions_1, build_scop_conditions): Remove check for
3086         non iv scalar phi nodes.
3087         (print_scop_statistics): New.
3088         (graphite_transform_loops): Cleanup.
3089
3090         * graphite.h: Move to sese & cleanup.
3091         * sese.c: New.
3092         * sese.h: New.
3093
3094 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3095             Tobias Grosser  <grosser@fim.uni-passau.de>
3096
3097         * graphite.c (build_scop_conditions_1): Conditions are only
3098         at the end of a basic block.
3099
3100 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3101             Tobias Grosser  <grosser@fim.uni-passau>
3102
3103         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3104         field.
3105         (GBB_ALPHA): Removed.
3106
3107 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3108             Tobias Grosser  <grosser@fim.uni-passau.de>
3109
3110         * graphite-data-ref.c (graphite_test_dependence): Don't use
3111         GBB_DYNAMIC_SCHEDULE.
3112         * graphite.c (new_graphite_bb): Same.
3113         (free_graphite_bb): Same.
3114         (build_scop_dynamic_schedules): Removed.
3115         (graphite_transform_loops): Don't call it.
3116         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3117         (GBB_DYNAMIC_SCHEDULE): Removed.
3118
3119 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3120             Tobias Grosser  <grosser@fim.uni-passau.de>
3121
3122         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3123         (print_graphite_bb): Same.
3124         (build_cloog_prog): Same.
3125
3126 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3127             Tobias Grosser  <grosser@fim.uni-passau.de>
3128
3129         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3130
3131 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3132             Tobias Grosser  <grosser@fim.uni-passau.de>
3133
3134         * graphite.c (build_scop_context): Don't use CloogMatrix.
3135         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3136         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3137
3138 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3139             Tobias Grosser  <grosser@fim.uni-passau.de>
3140
3141         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3142         liveout_renames, add_params fields...
3143         (struct sese): ... here.
3144         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3145         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3146
3147 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3148             Tobias Grosser  <grosser@fim.uni-passau.de>
3149
3150         * graphite.c (print_scop): Do not print the CLooG program.
3151         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3152         build_cloog_prog, gloog): Don't use SCOP_PROG.
3153         (find_transform): Renamed scop_to_clast.
3154         (print_generated_program, debug_generated_program): New.
3155         (graphite_transform_loops): Adapt to new interface.
3156         * graphite.h (struct scop): Remove program field.
3157         (SCOP_PROG): Removed.
3158         (print_generated_program, debug_generated_program): Declared.
3159
3160 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3161
3162         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3163         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3164         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3165         free_graphite_bb, build_scop_canonical_schedules,
3166         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3167         schedules are now represented using a ppl_Linear_Expression_t.
3168         * graphite.h (struct graphite_bb): Same.
3169         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3170         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3171
3172 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3173
3174         * graphite.c: Free local memory.
3175         * graphite-ppl.c: Same.
3176
3177 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3178
3179         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3180         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3181         swap_constraint_variables, scale_constraint_variable): Removed.
3182         (graphite_trans_bb_strip_mine): Remove pong.
3183         * graphite-ppl.c: Include missing header files.
3184         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3185         * graphite-ppl.h (ppl_strip_loop): Declared.
3186         * Makefile.in (graphite-ppl.o): Adjust dependences.
3187
3188 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3189
3190         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3191         (build_scop_iteration_domain): Same.
3192
3193 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3194
3195         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3196         ping pong.
3197         (add_value_to_dim, scan_tree_for_params_right_scev,
3198         scan_tree_for_params_int): New.
3199         * graphite-ppl.c (oppose_constraint): New.
3200         (insert_constraint_into_matrix): Implement missing cases.
3201         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3202
3203 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3206         use ppl_move_dimension.
3207
3208 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3211         * graphite.c: Same.
3212         * graphite.h: Same.
3213         * graphite-ppl.c: Same.
3214         * graphite-ppl.h: Same.
3215
3216 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3217
3218         Revert last 3 commits.
3219
3220 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3221
3222         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3223         ping pong.
3224         (add_value_to_dim, scan_tree_for_params_right_scev,
3225         scan_tree_for_params_int): New.
3226         * graphite-ppl.c (oppose_constraint): New.
3227         (insert_constraint_into_matrix): Implement missing cases.
3228         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3229
3230 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3233
3234 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3235             Tobias Grosser  <grosser@fim.uni-passau.de>
3236
3237         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3238         use ppl_move_dimension.
3239         * graphite-ppl.c (ppl_move_dimension): New.
3240         * graphite-ppl.h (ppl_move_dimension): Declared.
3241
3242 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3243
3244         * graphite.c: Do not include cloog/cloog.h.
3245         (print_graphite_bb): Remove ping pong, call PPL print function.
3246
3247 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3248
3249         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3250         (graphite.o): Add dependence on graphite-ppl.h.
3251         (graphite-ppl.o): New.
3252         (graphite-data-ref.c): Ping pong between PPL data structures
3253         and matrices.
3254         * graphite-ppl.c: New.
3255         * graphite-ppl.h: New.
3256         * graphite.c: Include graphite-ppl.h.
3257         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3258         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3259         Ping pong between PPL data structures and matrices.
3260         (new_graphite_bb): Create a PPL constraint system.
3261         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3262         (build_loop_iteration_domains): Use PPL functions.
3263         * graphite.h: Include graphite-ppl.h.  Fix comments.
3264         (graphite_bb): Use a ppl_Constraint_System_t instead of
3265         CloogMatrix for representing the domain.
3266         (scop): Remove static_schedule.
3267         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3268
3269 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3270
3271         * graphite.c: Fix some comments.
3272
3273 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         PR middle-end/38953
3276         * graphite.c (if_region_set_false_region): After moving a region
3277         in the false branch of a condition, remove the empty dummy
3278         basic block.
3279         (gloog): Remove wrong fix for PR38953.
3280
3281 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3282
3283         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3284         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3285         register_bb_in_sese, new_sese, free_sese): Moved.
3286         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3287         outermost_loop_in_scop, build_scop_iteration_domain,
3288         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3289         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3290         Use loop_in_sese_p instead of loop_in_scop_p.
3291         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3292         (free_scop): Do not free SCOP_BBS_B.
3293         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3294         ref_nb_loops): Moved here...
3295         * graphite.h (ref_nb_loops): ... from here.
3296         (struct scop): Remove bbs_b bitmap.
3297         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3298         * testsuite/gcc.dg/graphite/scop-19.c: New
3299
3300 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3301
3302         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3303         detection.
3304
3305 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3306
3307         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3308         eq_loop_to_cloog_loop): Remove.
3309         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3310         * graphite.h (struct scop): Remove loop2cloog_loop.
3311         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3312
3313 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3314
3315         * opts.c (decode_options): Only add graphite options to O2
3316         if we compile with graphite enabled.
3317
3318 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3319
3320         * Merge from mainline (r143163:143684).
3321
3322 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite.c (debug_value): Removed.
3325         * graphite.h (debug_value): Removed.
3326
3327 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3328
3329         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3330         after graphite: pass_copy_prop does not maintain a proper loop closed
3331         SSA form.  pass_copy_prop should be fixed.
3332
3333 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3336
3337 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3338
3339         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3340         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3341         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3342         changed the CFG.
3343
3344 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3345
3346         * graphite.c (gloog): Return true when code gen succeeded.
3347         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3348         the code of the function did not changed.  After cleanup_tree_cfg
3349         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3350         form.
3351
3352 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3355         gimple_call_lhs is NULL.
3356
3357 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3358             Tobias Grosser  <tobi.grosser@amd.com>
3359
3360         * graphite.c (graphite_trans_scop_block): Do not block single
3361         nested loops.
3362
3363 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3364             Tobias Grosser  <tobi.grosser@amd.com>
3365
3366         * graphite.c (build_scop_canonical_schedules): Start schedules at
3367         zero.
3368
3369 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3370             Tobias Grosser  <tobi.grosser@amd.com>
3371
3372         * graphite.c (compare_prefix_loops): New.
3373         (build_scop_canonical_schedules): Rewritten.
3374         (graphite_transform_loops): Move build_scop_canonical_schedules
3375         after build_scop_iteration_domain.
3376
3377 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3378             Tobias Grosser  <tobi.grosser@amd.com>
3379
3380         * graphite.c (add_conditions_to_domain): Add the loops to
3381         the dimension of the iteration domain.  Do copy the domain
3382         only when it exists.
3383         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3384         (add_conditions_to_constraints): New.
3385         (can_generate_code_stmt, can_generate_code): Removed.
3386         (gloog): Do not call can_generate_code.
3387         (graphite_transform_loops): Call add_conditions_to_constraints
3388         after building the iteration domain.
3389
3390 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3391             Tobias Grosser  <tobi.grosser@amd.com>
3392             Jan Sjodin  <jan.sjodin@amd.com>
3393
3394         * graphite.c (scan_tree_for_params): On substractions negate
3395         all the coefficients of the term.
3396         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3397         of more than two operands.
3398         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3399         (get_vdef_before_scop): Handle also the case of default definitions.
3400
3401 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3402
3403         PR middle-end/38431
3404         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3405         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3406         (gloog): Do not call cleanup_tree_cfg.
3407         (graphite_transform_loops): Call cleanup_tree_cfg after all
3408         scops have been code generated.
3409
3410 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3411
3412         * passes.c (init_optimization_passes): Schedule after
3413         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3414
3415 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3418         Fix comment.
3419         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3420         Set the type of an expression to the type of its assign statement.
3421         (expand_scalar_variables_expr):  Do not pass loop_p.
3422         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3423         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3424         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3425
3426 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3429         an expression to the gimple_expr_type of its assign statement.
3430         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3431         or tcc_declaration.
3432
3433 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3434
3435         PR tree-optimization/38786
3436         * testsuite/gcc.dg/graphite/pr38786.c: New.
3437         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3438         the SSA_NAME case of expand_scalar_variables_expr.
3439         (expand_scalar_variables_expr): Also gather the scalar computation
3440         used to index the memory access.
3441         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3442         the gimple_stmt_iterator where it inserts new code.
3443
3444 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3445
3446         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3447
3448 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3449
3450         * opts.c (decode_options): Enable flag_graphite_identity and
3451         flag_loop_block in -O2 and above.
3452
3453 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3454
3455         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3456         Fix merge problem: replace with the file from trunk.
3457
3458 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3459
3460         * Merge from mainline (r141727:143163).
3461
3462 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3463             Jan Sjodin  <jan.sjodin@amd.com>
3464
3465         PR tree-optimization/38559
3466         * testsuite/gcc.dg/graphite/pr38559.c: New.
3467
3468         * graphite.c (debug_value, copy_constraint,
3469         swap_constraint_variables, scale_constraint_variable, ): New.
3470         (get_lower_bound, get_upper_bound): Removed.
3471         (graphite_trans_bb_strip_mine): Clean up this code that works
3472         only for constant number of iterations.  Fully copy upper and
3473         lower bound constraints, not only the constant part of them.
3474         * graphite.h (debug_value): Declared.
3475
3476 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3477
3478         PR tree-optimization/38492
3479         PR tree-optimization/38498
3480         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3481         * tree-chrec.h (scev_is_linear_expression): Declared.
3482         * graphite.c (graphite_cannot_represent_loop_niter): New.
3483         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3484         (graphite_loop_normal_form): Use gcc_assert.
3485         (scan_tree_for_params): Use CASE_CONVERT.
3486         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3487         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3488         Use gcc_assert.  Discard scops that contain unhandled cases.
3489         (build_scop_conditions): Return a boolean status for unhandled cases.
3490         (strip_mine_profitable_p): Print the loop number, not its depth.
3491         (is_interchange_valid): Pass the depth of the loop nest, don't
3492         recompute it wrongly.
3493         (graphite_trans_bb_block): Same.
3494         (graphite_trans_bb_block): Print tentative of loop blocking.
3495         (graphite_trans_scop_block): Do not print that the loop has been
3496         blocked.
3497         (graphite_transform_loops): Do not handle scops that contain condition
3498         scalar phi nodes.
3499
3500         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3501         in trunk.
3502         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3503         * testsuite/gcc.dg/graphite/block-1.c: Same.
3504         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3505         blocking.
3506         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3507         * testsuite/gcc.dg/graphite/block-3.c: New.
3508         * testsuite/gcc.dg/graphite/pr38498.c: New.
3509
3510 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3511
3512         PR tree-optimization/38510
3513         * gcc.dg/graphite/pr38510.c: New.
3514         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3515           (translate_clast): Call recompute_all_dominators before
3516           graphite_verify.
3517           (gloog): Call recompute_all_dominators before graphite_verify.
3518
3519 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3520
3521         PR tree-optimization/38492
3522         * graphite.c (rename_map_elt, debug_rename_elt,
3523         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3524         rename_map_elt_info, eq_rename_map_elts,
3525         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3526         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3527         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3528         (sese_build_livein_liveouts): New.
3529         (new_sese, free_sese): New.
3530         (new_scop): Call new_sese.
3531         (free_scop): Call free_sese.
3532         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3533         (register_old_new_names): Renamed register_old_and_new_names.
3534         (register_scop_liveout_renames, add_loop_exit_phis,
3535         insert_loop_close_phis, struct igp,
3536         default_liveout_before_guard, add_guard_exit_phis,
3537         insert_guard_phis, copy_renames): New.
3538         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3539         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3540         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3541         (scop_adjust_phis_for_liveouts): New.
3542         (gloog): Call scop_adjust_phis_for_liveouts.
3543
3544         * graphite.h (struct sese): Documented.  Added fields liveout,
3545         num_ver and livein.
3546         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3547         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3548         (struct scop): Added field liveout_renames.
3549         (SCOP_LIVEOUT_RENAMES): New.
3550
3551 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3552
3553         PR tree-optimization/38409
3554         * gcc.dg/graphite/pr38409.c: New.
3555         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3556
3557 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite.c (gcc_type_for_cloog_iv): By default return
3560         integer_type_node.
3561         (graphite_create_new_loop): Don't fold_convert the already
3562         fold_convert-ed expression.
3563
3564 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3565
3566         PR tree-optimization/38446
3567         * gcc.dg/graphite/pr38446.c: New.
3568         * graphite.c (register_bb_in_sese): New.
3569         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3570         looking at the bbs in the region.
3571         * graphite.h (sese): Add region_basic_blocks pointer set to
3572         structure and initialize at the time of defining new scop.
3573
3574 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3575
3576         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3577         (find_params_in_bb): Do not free data refs.
3578         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3579
3580 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3581
3582         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3583         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3584         * testsuite/gcc.dg/graphite/block-5.c: New.
3585         * testsuite/gcc.dg/graphite/block-6.c: New.
3586         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3587         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3588         * testsuite/gcc.dg/graphite/block-2.c: Same.
3589
3590         * graphite.c (struct ivtype_map_elt): New.
3591         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3592         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3593         gcc_type_for_cloog_iv): New.
3594         (loop_iv_stack_patch_for_consts): Use the type of the induction
3595         variable from the original loop, except for the automatically
3596         generated loops, i.e., in the case of a strip-mined loop, in
3597         which case there is no original loop: in that case just use
3598         integer_type_node.
3599         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3600         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3601         (clast_name_to_gcc): Accept params to be NULL.
3602         (clast_to_gcc_expression): Take an extra parameter for the type.
3603         Convert to that type all the expressions built by this function.
3604         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3605         (graphite_translate_clast_equation): Compute the type of the
3606         clast_equation before translating its LHS and RHS.
3607         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3608         (graphite_create_new_loop): Compute the type of the induction
3609         variable before translating the lower and upper bounds and before
3610         creating the induction variable.
3611         (rename_variables_from_edge, rename_phis_end_scop): New.
3612         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3613         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3614         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3615         compute_cloog_iv_types): New.
3616         (gloog): Call compute_cloog_iv_types before starting the
3617         translation of the clast.
3618
3619         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3620         (GBB_CLOOG_IV_TYPES): New.
3621         (debug_ivtype_map): Declared.
3622         (oldiv_for_loop): New.
3623
3624 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3625
3626         PR middle-end/38459
3627         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3628         (param_index): Assert if parameter is not know after parameter
3629         detection.
3630         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3631         (find_scop_parameters): Mark, that we have finished parameter
3632         detection.
3633         (graphite_transform_loops): Move condition detection before parameter
3634         detection.
3635         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3636         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3637
3638 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3639
3640         * graphite.c (graphite_transform_loops): Always call find_transform ()
3641         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3642         generate code.
3643
3644 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3645
3646         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3647         (print_scop): Ditto.
3648
3649 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3650
3651         PR middle-end/38084
3652         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3653         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3654         regions more than once.
3655
3656 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3657
3658         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3659         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3660         when not needed.
3661
3662 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3663
3664         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3665         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3666         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3667         (max_precision_type): New.
3668         (value_clast): Removed.
3669         (clast_to_gcc_expression): Be more careful to types of expressions.
3670         Use max_precision_type and update use of gmp_cst_to_tree.
3671         (graphite_translate_clast_equation): Use max_precision_type.
3672         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3673         use the type of the condition.
3674         (graphite_create_new_loop): Do not use integer_type_node, use the
3675         max_precision_type of lb and ub.
3676
3677 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3678
3679         * graphite.c (build_scops_1): Initialize open_scop.exit
3680         and sinfo.last.
3681
3682 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         * testsuite/gcc.dg/graphite/pr38084.c: New.
3685         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3686         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3687         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3688         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3689         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3690
3691 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3692             Jan Sjodin  <jan.sjodin@amd.com>
3693             Harsha Jagasia  <harsha.jagasia@amd.com>
3694
3695         PR middle-end/37852
3696         PR middle-end/37883
3697         PR middle-end/37928
3698         PR middle-end/37980
3699         PR middle-end/38038
3700         PR middle-end/38039
3701         PR middle-end/38073
3702         PR middle-end/38083
3703         PR middle-end/38125
3704
3705         * testsuite/gcc.dg/graphite/pr38073.c: New.
3706         * testsuite/gcc.dg/graphite/pr37928.c: New.
3707         * testsuite/gcc.dg/graphite/pr37883.c: New.
3708         * testsuite/gcc.dg/graphite/pr38125.c: New.
3709         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3710         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3711         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3712
3713         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3714         the number of detected scops.  Copy exact same test for loop
3715         blocking...
3716         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3717         loops to be blocked as reductions are not handled.
3718         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3719
3720         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3721         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3722         ...here.
3723         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3724         * Makefile.in (graphite.o): Depend on value-prof.h.
3725         (graphite.o-warn): Removed -Wno-error.
3726         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3727         to be a NULL pointer.  Call update_stmt.  Return the newly created
3728         cannonical induction variable.
3729
3730         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3731
3732         * graphite.c: Reimplement the code generation from graphite to gimple.
3733         Include value-prof.h.
3734         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3735         (get_old_iv_from_ssa_name): Removed.
3736         (graphite_stmt_p): New.
3737         (new_graphite_bb): Test for useful statements before building a
3738         graphite statement for the basic block.
3739         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3740         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3741         reason.
3742         (recompute_all_dominators, graphite_verify,
3743         nb_reductions_in_loop, graphite_loop_normal_form): New.
3744         (scop_record_loop): Call graphite_loop_normal_form.
3745         (build_scop_loop_nests): Iterate over all the blocks of the
3746         function instead of relying on the incomplete information from
3747         SCOP_BBS.  Return the success of the operation.
3748         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3749         (add_bb_domains): Removed.
3750         (build_loop_iteration_domains): Don't call add_bb_domains.
3751         Add the iteration domain only to the basic blocks that have been
3752         translated to graphite.
3753         (build_scop_conditions_1): Add constraints only if the basic
3754         block have been translated to graphite.
3755         (build_scop_data_accesses): Completely disabled until data
3756         dependence is correctly implemented.
3757         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3758         (remove_all_edges_1, remove_all_edges): Removed.
3759         (get_new_name_from_old_name): New.
3760         (graphite_rename_variables_in_stmt): Renamed
3761         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3762         Use replace_exp and update_stmt.
3763         (is_old_iv): Renamed is_iv.
3764         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3765         Use replace_exp and update_stmt.
3766         (expand_scalar_variables_expr): Same.  Use the map to get the
3767         new names for the renaming of induction variables and for the
3768         renaming of variables after a basic block has been copied.
3769         (expand_scalar_variables): Same.
3770         (graphite_rename_variables): Renamed rename_variables.
3771         (move_phi_nodes): Removed.
3772         (get_false_edge_from_guard_bb): New.
3773         (build_iv_mapping): Do not insert the induction variable of a
3774         loop in the renaming iv map if the basic block does not belong
3775         to that loop.
3776         (register_old_new_names, graphite_copy_stmts_from_block,
3777         copy_bb_and_scalar_dependences): New.
3778         (translate_clast): Heavily reimplemented: copy basic blocks,
3779         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3780         At each translation step call graphite_verify ensuring the
3781         consistency of the SSA, loops and dominators information.
3782         (collect_virtual_phis, find_vdef_for_var_in_bb,
3783         find_vdef_for_var_1, find_vdef_for_var,
3784         patch_phis_for_virtual_defs): Removed huge hack.
3785         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3786         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3787         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3788         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3789         if_region_get_condition_block, if_region_set_false_region,
3790         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3791         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3792         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3793         rewrite_into_sese_closed_ssa): New.
3794         (gloog): Remove dead code.  Early return if code cannot be
3795         generated.  Call cleanup_tree_cfg once the scop has been code
3796         generated.
3797         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3798         block loops with less than two loops.
3799         (graphite_apply_transformations): Remove the call to
3800         scop_remove_ignoreable_gbbs.
3801         (limit_scops): When build_scop_loop_nests fails, continue on
3802         the next scop.  Fix open_scop.entry.
3803         (graphite_transform_loops): Call recompute_all_dominators: force the
3804         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3805         Call initialize_original_copy_tables and free_original_copy_tables
3806         to be able to copy basic blocks during code generation.
3807         When build_scop_loop_nests fails, continue on next scop.
3808         (value_clast): New union.
3809         (clast_to_gcc_expression): Fix type cast warning.
3810
3811 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * Merge from mainline (r140838:141727).
3814
3815 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3816
3817         PR middle-end/37833
3818
3819         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3820
3821 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3822
3823         PR middle-end/37943
3824
3825         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3826         exits and conditions.
3827         * testsuite/gcc.dg/graphite/pr37943.c: New.
3828
3829 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3830
3831         PR middle-end/37886
3832         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3833
3834 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3835
3836         * doc/invoke.texi: Fix spaces.
3837
3838 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3839
3840         PR tree-optimization/37891
3841         Reverted last commit.
3842         * graphite.c (create_single_entry_edge): Set
3843         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3844
3845 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3846             Mitul Thakkar  <mitul.thakkar@amd.com>
3847
3848         * graphite.c (create_single_entry_edge): Set
3849         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3850
3851 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3852
3853         * doc/invoke.texi: Add -fgraphite-identity.
3854         * graphite.c (graphite_apply_transformations): Check for
3855         -fgraphite-identity.
3856         * toplev.c (process_options): Add flag_graphite_identity.
3857         * tree-ssa-loop.c: Add flag_graphite_identity.
3858
3859 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         Undo changes from 2008-10-02:
3862         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3863         operand type when copying the operand to a variable of different type.
3864         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3865         with the IV name after increment.
3866
3867 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3868             Harsha Jagasia  <harsha.jagasia@amd.com>
3869
3870         PR tree-optimization/37828
3871         * testsuite/gcc.dg/graphite/pr37828.c: New.
3872         * graphite.c (graphite_trans_loop_block): Do not loop block
3873         single nested loops.
3874
3875 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3876             Sebastian Pop  <sebastian.pop@amd.com>
3877
3878         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3879         rename_map_elt_info, eq_rename_map_elts): New.
3880         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3881         (expand_scalar_variables_expr): Change parameters.
3882         (expand_scalar_variables_stmt): Same.
3883         (expand_scalar_variables): Same.
3884         (graphite_rename_ivs): Rename graphite_rename_variables.
3885         (build_iv_mapping): New.
3886         (translate_clast): Call build_iv_mapping.
3887         * graphite.h (gbb_p): New name.
3888
3889 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3890
3891         PR tree-optimization/37684
3892         * gcc.dg/graphite/pr37684.c: New.
3893         * graphite.c (exclude_component_ref): New.
3894         (is_simple_operand): Call exclude_component_ref.
3895
3896 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3897             Harsha Jagasia  <harsha.jagasia@amd.com>
3898
3899         PR tree-optimization/37485
3900         * gcc.dg/graphite/block-2.c: New
3901         * graphite.c (gmp_cst_to_tree): Moved.
3902         (iv_stack_entry_is_constant): New.
3903         (iv_stack_entry_is_iv): New.
3904         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3905         (loop_iv_stack_insert_constant): New.
3906         (loop_iv_stack_pop): Use new datatpype.
3907         (loop_iv_stack_get_iv): Same.
3908         (loop_iv_stack_get_iv_from_name): Same.
3909         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3910