gcc/ChangeLog.graphite

   1 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * g++.dg/graphite/pr41305.C: New.
   4
   5 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
   6
   7         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
   8         construction of parameter constraints from loop iteration analysis.
   9         * gcc.dg/graphite/run-id-2.c: New test.
  10
  11 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
  14         and new_cstr.
  15
  16 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  17
  18         * graphite-dependences.c (dependence_polyhedron_1): Remove
  19         unused gdim dimensions from the DDR polyhedron.
  20
  21 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  22
  23         * graphite-dependences.c (pddr_transformed_scattering): New.
  24         (dot_original_deps_stmt_1): New.
  25         (dot_transformed_deps_stmt_1): New.
  26         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
  27         dot_transformed_deps_stmt_1.
  28         (dot_original_deps): New.
  29         (dot_transformed_deps): New.
  30         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
  31
  32 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         * graphite-dependences.c (reduction_dr_1): Remove wrong
  35         assert: reduction BBs can have multiple reduction writes
  36         to memory.  interchange-3.f90 is an example.
  37
  38 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  39
  40         * gfortran.dg/graphite/interchange-3.f90: New.
  41
  42 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
  45
  46 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         * graphite-dependences.c (dependence_polyhedron_1): Add the
  49         context to the dependence polyhedron.
  50
  51 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  52
  53         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
  54         PBB_PDR_DUPLICATES_REMOVED.
  55         (new_poly_bb): Same.
  56
  57 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  58
  59         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
  60         SCOP_CONTEXT.
  61         (build_loop_iteration_domains): Extract bounds on parameters
  62         based on the data size.
  63         (build_scop_context): Do not initialize SCOP_CONTEXT;
  64         add new constraints.
  65
  66 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  67
  68         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
  69         * graphite-ppl.h (graphite-ppl.h): Declared.
  70
  71 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
  72
  73         * graphite-ppl.c (ppl_print_linear_expr): New.
  74         (debug_ppl_linear_expr): New.
  75         * graphite-ppl.h (ppl_print_linear_expr): Declared.
  76         (debug_ppl_linear_expr): Declared.
  77
  78 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  79
  80         * graphite-interchange.c: Fix comments.
  81         * gcc.dg/graphite/block-1.c: Fix comments.
  82
  83 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
  86         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
  87
  88 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         Reapply the patch from Alexander Monakov that disappeared during
  91         the last merges from trunk.
  92
  93         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
  94
  95         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
  96         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
  97
  98 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
  99
 100         * graphite-interchange.c (memory_stride_in_loop): The depth
 101         argument corresponds to a dynamic time dimension, so use
 102         psct_dynamic_dim to refer to the transformed scattering dimension.
 103
 104 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 105
 106         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 107
 108 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
 111         root of the LST.
 112         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
 113         the root of the LST.
 114         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
 115         fake loop.
 116         (print_lst): Print the root of LST in a different format.
 117         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
 118
 119 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
 122
 123 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 124
 125         * doc/passes.texi: Document the Graphite infrastructure.
 126
 127 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
 130         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
 131         and check the SSA representation.
 132
 133         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
 134
 135 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 136
 137         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
 138
 139 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 140
 141         * gcc.dg/graphite/interchange-11.c: New.
 142
 143 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 144
 145         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
 146
 147 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 150         Add -fno-loop-strip-mine and -fno-loop-interchange.
 151         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
 152         -fno-loop-strip-mine.
 153         * gfortran.dg/graphite/graphite.exp: Same.
 154
 155 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 156
 157         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 158         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
 159         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
 160         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
 161         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
 162         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
 163         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
 164         DEFAULT_FLAGS_GRAPHITE_SCOP.
 165         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
 166         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
 167
 168 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 169
 170         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
 171
 172 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 173             Sebastian Pop  <sebastian.pop@amd.com>
 174
 175         * graphite-interchange.c (build_linearized_memory_access): Pass an
 176         offset as parameter.
 177         (memory_stride_in_loop): Include transform scattering in the
 178         access functions to be able to querry the strides in the
 179         transformed loops.
 180         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
 181         not the psct_iterator_dim.
 182
 183 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 184
 185         * graphite-blocking.c (pbb_do_strip_mine): Removed.
 186         (lst_do_strip_mine_loop): New.
 187         (lst_do_strip_mine): New.
 188         (scop_do_strip_mine): Call lst_do_strip_mine.
 189         * graphite-poly.h (lst_add_loop_under_loop): New.
 190         (lst_find_first_pbb): New.
 191
 192 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
 193
 194         * graphite-poly.c (loop_to_lst): Fix LST creation.
 195
 196 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 197
 198         * testsuite/gcc.dg/graphite/id-15.c: (8 * 8) replaced with
 199         sizeof(unsigned long) to make it run on 32bit systems.
 200
 201 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
 202
 203         * testsuite/gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
 204         SEGFAULT on 32bit.
 205
 206 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 207
 208         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
 209         Comment.
 210         (write_alias_graph_to_ascii_dot): New.
 211         (write_alias_graph_to_ascii_ecc): Ditto.
 212         (partition_drs_to_sets): Add testing of optimality of current method
 213         which assigns alias numbers according to DFS Comopnent number.  used
 214         as heuristic for the upcoming ECC algorithm.
 215         (build_scop_drs): Write to file also with the ecc and dot format.
 216
 217 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 218
 219         * gfortran.dg/graphite/interchange-1.f: XFail.
 220
 221 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 222
 223         * graphite.c (graphite_initialize): Do not handle functions with
 224         more than 100 basic blocks.
 225
 226 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         * graphite-blocking.c (pbb_do_strip_mine): Use
 229         PARAM_LOOP_BLOCK_TILE_SIZE.
 230
 231 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * graphite-poly.c (dot_lst_1): New.
 234         (dot_lst): New.
 235         * graphite-poly.h (dot_lst): Declared.
 236
 237 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
 238
 239         * graphite-dependences.c (dot_deps_stmt_1): New.
 240         (dot_deps_stmt): New.
 241         * graphite-dependences.h (dot_deps_stmt): Declared.
 242
 243 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 244
 245         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
 246         not replace cross BB scalar dependences ending on PHI nodes.
 247         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
 248
 249 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 250
 251         * graphite-poly.c (apply_poly_transforms): Implement the high
 252         level driver for flag_loop_block.
 253         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
 254         flag_loop_block.
 255
 256         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
 257         -floop-block.
 258         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
 259         Add -floop-block.
 260
 261 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 262
 263         * graphite-poly.h (lst_find_pbb): New.
 264         (find_lst_loop): New.
 265
 266 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 267
 268         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
 269         * graphite-poly.h (struct scop): Remove dep_graph field.
 270         (SCOP_DEP_GRAPH): Removed.
 271
 272 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
 273
 274         * graphite-poly.h (copy_lst): Do full copy of LST.
 275
 276 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
 277
 278         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
 279         when the loop stride is zero.
 280
 281         * gcc.dg/graphite/id-16.c: New.
 282
 283 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 284
 285         * graphite-dependences.c (reduction_dr_1): New.
 286         (reduction_dr_p): New.
 287         (graphite_legal_transform_dr): Call reduction_dr_p.
 288         (reduction_ddr): Renamed reduction_ddr_p.
 289         * graphite-poly.h (same_pdr_p): New.
 290         (number_of_write_pdrs): New.
 291         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
 292         (split_reduction_stmt): Do not split reduction statements
 293         when there are no writes to memory.
 294         (translate_scalar_reduction_to_array_for_stmt): Insert the
 295         memory reduction statement just after the scalar reduction statement.
 296
 297         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
 298         Un-XFAIL-ed.
 299         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
 300         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
 301
 302 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 303
 304         * graphite-interchange.c (lst_apply_interchange): New.
 305         (lst_interchange_profitable_p): New.
 306         (lst_try_interchange_loops): New.
 307         (lst_try_interchange): New.
 308         (lst_do_interchange): New.
 309         (pbb_do_interchange): Removed.
 310         (scop_do_interchange): Call lst_do_interchange.
 311
 312 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
 313
 314         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
 315         SCOP_TRANSFORMED_SCHEDULE.
 316         (loop_to_lst): New.
 317         (scop_to_lst): New.
 318         (print_lst): New.
 319         (debug_lst): New.
 320         * graphite-poly.h (lst_p): New.
 321         (struct lst): New.
 322         (LST_LOOP_P): New.
 323         (LST_LOOP_FATHER): New.
 324         (LST_PBB): New.
 325         (LST_SEQ): New.
 326         (scop_to_lst): Declared.
 327         (print_lst): Declared.
 328         (debug_lst): Declared.
 329         (new_lst_loop): New.
 330         (new_lst_stmt): New.
 331         (copy_lst): New.
 332         (lst_depth): New.
 333         (lst_dewey_number): New.
 334         (struct scop): Add original_schedule and transformed_schedule fields.
 335         (SCOP_ORIGINAL_SCHEDULE): New.
 336         (SCOP_TRANSFORMED_SCHEDULE): New.
 337         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
 338
 339 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 340
 341         * graphite-dependences.c (reduction_ddr): New.
 342         (graphite_legal_transform_bb): Call reduction_ddr.
 343         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
 344         Initialize PBB_IS_REDUCTION.
 345         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
 346         (PBB_IS_REDUCTION): New.
 347         (new_poly_bb): Update declaration.
 348         * graphite-scop-detection.h (build_scop_bbs): Removed.
 349         (nb_reductions_in_loop): Removed.
 350         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
 351         parameter for reductions.
 352         (try_generate_gimple_bb): Update call to new_poly_bb.
 353         (build_scop_bbs_1): Same.
 354         (build_scop_bbs): Same.
 355         (gsi_for_phi_node): New.
 356         (scalar_close_phi_node_p): Remove gcc_assert.
 357         (split_reduction_stmt): New.
 358         (is_reduction_operation_p): New.
 359         (phi_contains_arg): New.
 360         (follow_ssa_with_commutative_ops): New.
 361         (detect_commutative_reduction_arg): New.
 362         (detect_commutative_reduction_assign): New.
 363         (follow_inital_value_to_phi): New.
 364         (edge_initial_value_for_loop_phi): New.
 365         (initial_value_for_loop_phi): New.
 366         (detect_commutative_reduction): New.
 367         (translate_scalar_reduction_to_array_for_stmt): New.
 368         (insert_copyout): New.
 369         (insert_copyin): New.
 370         (translate_scalar_reduction_to_array): New.
 371         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
 372         (rewrite_commutative_reductions_out_of_ssa_loop): New.
 373         (rewrite_commutative_reductions_out_of_ssa): New.
 374         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
 375         * sese.h (split_region_for_bb): New.
 376
 377         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
 378         * gcc.dg/graphite/interchange-1.c: Fix format.
 379         * gcc.dg/graphite/interchange-10.c: New.
 380
 381 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 382
 383         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
 384         buggy assert.
 385
 386 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 387
 388         * graphite-sese-to-poly.c (scev_analyzable_p): New.
 389         (rewrite_cross_bb_scalar_dependence): New.
 390         (rewrite_cross_bb_scalar_deps): New.
 391         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
 392         Call rewrite_cross_bb_scalar_deps.
 393
 394 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 395
 396         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
 397         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
 398         gsi_for_stmt.
 399
 400 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
 401
 402         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
 403         * graphite-interchange.c (pbb_do_interchange): Same.
 404         * graphite-poly.c (print_scattering_function): Same.
 405         (debug_pdrs): Same.
 406         * graphite-poly.h (pbb_loop): New.
 407         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
 408
 409 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 410
 411         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
 412
 413 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
 416         so don't pass a pointer to it.
 417         (build_alias_set_for_drs): Same.
 418         (build_base_obj_set_for_drs): Same.
 419         (build_scop_drs): Same.
 420
 421 2009-09-26  Li Feng  <nemokingdom@gmail.com>
 422
 423         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
 424         the alias graph of data references.
 425
 426 2009-09-25  Li Feng  <nemokingdom@gmail.com>
 427
 428         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
 429         (build_scop_drs): When debugging, write the alias graph to file,
 430         otherwise, should be disabled.
 431
 432 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
 433
 434         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
 435         (is_simple_operand): Remove call to stmt_simple_memref_p.
 436         (stmt_simple_for_scop_p): Update call to is_simple_operand.
 437
 438 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
 439
 440         * testsuite/gcc.dg/graphite/interchange-mvt.c: New File.
 441         * testsuite/gcc.dg/graphite/scop-dsyrk.c: New File.
 442         * testsuite/gcc.dg/graphite/scop-dsyr2k.c: New File.
 443         * testsuite/gcc.dg/graphite/scop-mvt.c: New File.
 444         * testsuite/gcc.dg/graphite/scop-sor.c: New File.
 445
 446 2009-09-17 Li Feng  <nemokingdom@gmail.com>
 447
 448         PR middle-end/41118
 449         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
 450         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
 451         (graphite_carried_dependence_level_k): Ditto.
 452         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
 453         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
 454         (new_poly_dr): Adjust declaration.
 455         * graphite-sese-to-poly.c (free_data_refs_aux): New.
 456         (free_gimple_bb): Added free_data_refs_aux.
 457         (build_poly_dr): Add dr_base_object_set.
 458         (partition_drs_to_sets): New.
 459         (dr_same_base_object_p): New.
 460         (build_alias_set_for_drs): New.
 461         (build_base_object_set_for_drs): New.
 462         (build_scop_drs): Add build_base_obj_set_for_drs.
 463         * graphite-sese-to-poly.h: Added #define for alias set number index and
 464         base object set index.
 465         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
 466         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
 467
 468 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
 469
 470         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
 471         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
 472
 473 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 474
 475         * graphite-sese-to-poly.c (struct irp_data): Removed.
 476         (idx_record_params): Removed.
 477         (find_params_in_bb): Scan for parameters the access functions; don't
 478         parse the tree representation.
 479
 480 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 481
 482         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
 483         passes at -O1 and below.
 484
 485 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
 486
 487         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 488         tree-scalar-evolution.h, and then tree-data-ref.h.
 489         * graphite-clast-to-gimple.c: Same.
 490         * graphite-dependences.c: Same.
 491         * graphite-interchange.c: Same.
 492         * graphite-poly.c: Same.
 493         * graphite-scop-detection.c: Same.
 494         * graphite-sese-to-poly.c: Same.
 495         * graphite.c: Same.
 496         * lambda-code.c: Same.
 497         * matrix-reorg.c: Same.
 498         * tree-data-ref.c: Same.
 499         * tree-if-conv.c: Same.
 500         * tree-loop-distribu: Same.: Same.
 501         * tree-loop-linear.c: Same.
 502         * tree-parloops.c: Same.
 503         * tree-predcom.c: Same.
 504         * tree-vect-patterns.c: Same.
 505
 506 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
 507
 508         Partially revert the previous patch, except the following.
 509         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
 510         as parameters the operands of the not expression.
 511
 512 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 513
 514         * tree-scalar-evolution.c (instantiate_scev_assign): New.
 515         Do not call analyze_scalar_evolution on assignments.
 516         (instantiate_scev_phi): Call analyze_scalar_evolution.
 517         (instantiate_scev_name): Call instantiate_scev_assign and
 518         instantiate_scev_phi.
 519         (instantiate_scev_not): Adapted to pass as parameters the operands
 520         of the not expression.
 521
 522 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 523
 524         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
 525         to pass as parameters the operands of the binary expression.
 526
 527 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 528
 529         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
 530         instantiate_scev_not.  Handle NEGATE_EXPR.
 531         (instantiate_scev_r): Handle NEGATE_EXPR.
 532
 533 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
 536         instantiate_scev_r.
 537         (instantiate_scev_r): Move code in instantiate_scev_2
 538         and instantiate_scev_1.
 539
 540 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 541
 542         * tree-scalar-evolution.c (instantiate_scev_3): New.
 543         (instantiate_scev_1): Move code in instantiate_scev_3.
 544
 545 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 546
 547         * tree-scalar-evolution.c (instantiate_scev_poly): New.
 548         (instantiate_scev_1): Move code in instantiate_scev_poly.
 549
 550 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 551
 552         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
 553         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
 554
 555 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 556
 557         * tree-scalar-evolution.c (instantiate_scev_convert): New.
 558         (instantiate_scev_1): Move code in instantiate_scev_convert.
 559
 560 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 561
 562         * tree-scalar-evolution.c (instantiate_scev_binary): New.
 563         (instantiate_scev_1): Move code in instantiate_scev_binary.
 564
 565 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
 566
 567         * tree-scalar-evolution.c (instantiate_scev_name): New.
 568         (instantiate_scev_1): Move code in instantiate_scev_name.
 569
 570 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
 571
 572         * Merge from mainline (150992:151171).
 573
 574 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 575
 576         * graphite-dependences.c (graphite_legal_transform_bb): Call
 577         pbb_remove_duplicate_pdrs.
 578         * graphite-poly.c (can_collapse_pdr): Removed.
 579         (pdr_find_duplicate): Removed.
 580         (can_collapse_pdrs): New.
 581         (pbb_remove_duplicate_pdrs): New.
 582         (new_poly_dr): Do not look for duplicates.
 583         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
 584         (PBB_PDR_DUPLICATES_REMOVED): New.
 585         (pbb_remove_duplicate_pdrs): Declared.
 586
 587 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 588
 589         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
 590         the strides by multiplying by PDR_NB_REFS.
 591         * graphite-poly.c (can_collapse_pdr): New.
 592         (pdr_find_duplicate): New.
 593         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
 594         Initialize PDR_NB_REFS.
 595         * graphite-poly.h (struct poly_dr): Add field nb_refs.
 596         (PDR_NB_REFS): New.
 597         (new_poly_dr): Number of subscripts is a graphite_dim_t.
 598
 599 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 600
 601         Revert one of the previous commits:
 602         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 603         the computation of symmetric data dependence relations.
 604         (dependency_between_pbbs_p): Same.
 605
 606 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 607
 608         PR middle-end/40965
 609         * graphite-poly.c (apply_poly_transforms): Remove legality test before
 610         any transform.
 611
 612 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 613
 614         * graphite-dependences.c (pddr_original_scattering): Return NULL
 615         for read-read dependence relations.
 616         * graphite-poly.h (enum poly_dr_type): Fix comment.
 617         (pdr_read_p): New.
 618         (pdr_write_p): New.
 619         (pdr_may_write_p): New.
 620
 621 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 622
 623         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
 624         (struct poly_dr): Same.
 625         (new_poly_dr): Same.
 626         * graphite-poly.c (new_poly_dr): Same.
 627
 628 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 629             Sebastian Pop  <sebastian.pop@amd.com>
 630
 631         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
 632         pbb_strip_mine_time_depth.  Changed the implementation so that
 633         transformation is expressed as a transformation on
 634         time (scatttering) dimensions.  Also, ensures that the 2d+1
 635         scheduling format is preserved.
 636         (pbb_strip_mine_profitable_p): Profitability is based on the
 637         iteration number of a given time (scattering) dimension,
 638         and not on a original loop depth dimension.
 639         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
 640         (pbb_do_strip_mine): Call psct_dynamic_dim.
 641         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
 642         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
 643         (pbb_nb_dynamic_scattering_transform): New.
 644         (psct_dynamic_dim): New.
 645
 646 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 647
 648         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 649         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
 650         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
 651         * graphite-interchange.c (build_linearized_memory_access): Same.
 652         (memory_stride_in_loop): Same.
 653
 654 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         * graphite-dependences.c (pddr_original_scattering): New.
 657         (graphite_legal_transform_dr): Call pddr_original_scattering.
 658         (dot_deps_1): New.
 659         (dot_deps): New.
 660         * graphite-dependences.h (dot_deps): Declared.
 661         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
 662         (print_pdr): Print PDR_ID.
 663         * graphite-poly.h (struct poly_dr): Add field id.
 664         (PDR_ID): New.
 665         (pbb_index): New.
 666         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
 667
 668 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
 669
 670         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
 671         not delete the original dependence relation.
 672
 673 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 674
 675         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
 676         the computation of symmetric data dependence relations.
 677         (dependency_between_pbbs_p): Same.
 678
 679 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 680
 681         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
 682         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
 683         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
 684         (free_poly_ddr): New.
 685         (pddr_is_empty): New.
 686         (dependence_polyhedron_1): Now returns a poly_ddr_p.
 687         (dependence_polyhedron): Same.  Remove useless gcc_assert.
 688         Remove fprintfs.
 689         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
 690         (graphite_carried_dependence_level_k): Call pddr_is_empty.
 691         * graphite-dependences.h (enum poly_dependence_kind): New.
 692         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
 693         (PDRP_SOURCE): Renamed PDDR_SOURCE.
 694         (PDRP_SINK): Renamed PDDR_SINK.
 695         (PDRP_DDP): Renamed PDDR_DDP.
 696         (PDDR_KIND): New.
 697         (free_poly_ddr): Declared.
 698         * graphite-poly.c (new_scop): Use the new hash function names.
 699         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
 700         into original_pddrs.
 701         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
 702
 703 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * Merge from mainline (150764:150992).
 706
 707 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 708
 709         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
 710         bounds with LT_EXPR to make niter analysis more precise on code
 711         generated by Graphite.
 712
 713 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
 714
 715         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
 716         (graphite_legal_transform_bb): Same.
 717         (poly_drs_may_alias_p): Same.
 718
 719 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         PR middle-end/40981
 722         * graphite-ppl.c (ppl_max_for_le): Correct the use of
 723         ppl_Pointset_Powerset_C_Polyhedron_maximize.
 724
 725 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 726
 727         * graphite-poly.c (print_pbb): Print PBB index.
 728
 729 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 730
 731         * Merge from mainline (r150672:150764).
 732
 733 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
 734
 735         * graphite-interchange.c (ppl_max_for_le): Moved...
 736         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
 737         * graphite-ppl.c (ppl_max_for_le): ... here.
 738         * graphite-ppl.h (ppl_max_for_le): Declared.
 739
 740 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 741
 742         * Merge from mainline (r150372:150672).
 743
 744 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 745
 746         PR middle-end/40980
 747         * sese.c (convert_for_phi_arg): New.
 748         (add_guard_exit_phis): Use convert_for_phi_arg.
 749
 750         * testsuite/gfortran.dg/graphite/id-17.f: New.
 751
 752 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 753
 754         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
 755         unknown subscript upper bounds.
 756
 757         * testsuite/gcc.dg/graphite/interchange-6.c: Un-XFAIL.
 758
 759 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 760             Pranav Garg  <pranav.garg2107@gmail.com>
 761
 762         * graphite-interchange.c (gather_access_strides): Removed.
 763         (ppl_max_for_le): New.
 764         (build_linearized_memory_access): New.
 765         (memory_stride_in_loop): New.
 766         (pbb_interchange_profitable_p): Reimplemented.
 767         * graphite-ppl.h (ppl_new_id_map): New.
 768         (ppl_interchange): New.
 769
 770         * testsuite/gcc.dg/graphite/interchange-6.c: XFAILed.
 771
 772 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 773
 774         * graphite-interchange.c (compute_subscript): Removed.
 775         (compute_array_size_cstr): Removed.
 776         (compute_array_size_poly): Removed.
 777         (compute_array_size): Removed.
 778         (gather_access_strides_poly): Removed.
 779         (gather_access_strides): Empty.
 780
 781 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 782
 783         * graphite-dependences.c (dependence_polyhedron_1): Replace
 784         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
 785         (graphite_legal_transform_dr): Same.
 786         (graphite_carried_dependence_level_k): Same.
 787         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
 788         Initialize PDR_NB_SUBSCRIPTS.
 789         (print_pdr_access_layout): Replace pdr_nb_subscripts with
 790         PDR_NB_SUBSCRIPTS.
 791         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
 792         (PDR_NB_SUBSCRIPTS): New.
 793         (pdr_nb_subscripts): Removed.
 794         (pdr_dim): Simplified.
 795         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
 796         with PDR_NB_SUBSCRIPTS.
 797
 798 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 799
 800         * graphite-interchange.c (compute_array_size): Remove use of
 801         PDR_DATA_CONTAINER.
 802         * graphite-poly.c (new_poly_dr): Remove argument data_container.
 803         Do not initialize PDR_DATA_CONTAINER.
 804         (print_pdr): Do not print PDR_DATA_CONTAINER.
 805         * graphite-poly.h (struct poly_dr): Remove data_container field.
 806         (PDR_DATA_CONTAINER): Removed.
 807         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
 808         PDR_DATA_CONTAINER.
 809         (build_poly_dr): Same.
 810
 811 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
 812
 813         * testsuite/gcc.dg/graphite/interchange-9.c: New.
 814
 815 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 816             Sebastian Pop  <sebastian.pop@amd.com>
 817
 818         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
 819         copy of the dependence polyhedron.  Free the temporary objects.
 820         (graphite_carried_dependence_level_k): Free unused objects before
 821         returning.
 822
 823         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
 824         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
 825         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
 826         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
 827         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
 828
 829 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 830
 831         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
 832         Early return without analyzing the data dependences if no
 833         transform has been done.  Call restore_scattering if the transform
 834         is not legal.
 835         (graphite-interchange.c): Same.
 836         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
 837         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
 838         (apply_poly_transforms): Do not gcc_assert that
 839         the transform is legal.
 840         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 841         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
 842         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
 843         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
 844         * graphite-poly.h (struct poly_scattering): New.
 845         (struct poly_bb): Add original, transformed, and saved fields.
 846         Remove transformed_scattering, original_scattering, nb_local_variables,
 847         and nb_scattering_transform fields.
 848         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
 849         (poly_scattering_new): New.
 850         (poly_scattering_free): New.
 851         (poly_scattering_copy): New.
 852         (store_scattering_pbb): New.
 853         (store_scattering): New.
 854         (restore_scattering_pbb): New.
 855         (restore_scattering): New.
 856         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
 857         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
 858
 859 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 860
 861         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
 862         (print_scop): Same.
 863
 864 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         * Makefile.in (graphite.o): Depends on PREDICT_H.
 867         * graphite.c: Include predict.h.
 868         (graphite_finalize): Call tree_estimate_probability.
 869         * predict.c (predict_loops): Do not call scev_initialize and
 870         scev_finalize.
 871         (tree_estimate_probability_bb): New.
 872         (tree_estimate_probability): Do not initialize loops: move that
 873         code to the driver.  Call tree_estimate_probability_bb.
 874         (tree_estimate_probability_driver): New.
 875         (pass_profile): Use tree_estimate_probability_driver.
 876         * predict.h (tree_estimate_probability): Declared.
 877
 878 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
 881         * graphite-dependences.c (graphite_legal_transform): Add time to
 882         TV_GRAPHITE_DATA_DEPS.
 883         (dependency_between_pbbs_p): Same.
 884         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
 885
 886 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
 887
 888         * Merge from mainline (r149952:150372).
 889
 890 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 891
 892         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
 893         * graphite-blocking.c: Same.
 894         * graphite-clast-to-gimple.c: Same.
 895         * graphite-dependences.c: Same.
 896         * graphite-poly.c: Same.
 897         * graphite-poly.h: Same.
 898         * graphite-ppl.c: Same.
 899         * graphite-scop-detection.c: Same.
 900         * graphite-sese-to-poly.c: Same.
 901         * graphite.c: Same.
 902
 903 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 904
 905         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
 906         (remove_simple_copy_phi): New.
 907         (remove_invariant_phi): New.
 908         (simple_copy_phi_p): New.
 909         (reduction_phi_p): New.
 910         (gsi_for_ssa_name_def): New.
 911         (insert_out_of_ssa_copy): New.
 912         (insert_out_of_ssa_copy_on_edge): New.
 913         (create_zero_dim_array): New.
 914         (scalar_close_phi_node_p): New.
 915         (rewrite_close_phi_out_of_ssa): New.
 916         (rewrite_phi_out_of_ssa): New.
 917         (rewrite_reductions_out_of_ssa): New.
 918         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
 919
 920         * testsuite/gcc.dg/graphite/id-11.c: New.
 921         * testsuite/gcc.dg/graphite/id-15.c: New.
 922         * testsuite/gcc.dg/graphite/interchange-1.c: Un-XFAIL.
 923         * testsuite/gcc.dg/graphite/interchange-2.c: Un-XFAIL.
 924         * testsuite/gcc.dg/graphite/interchange-3.c: Un-XFAIL.
 925         * testsuite/gcc.dg/graphite/interchange-4.c: Un-XFAIL.
 926         * testsuite/gcc.dg/graphite/interchange-7.c: Un-XFAIL.
 927         * testsuite/gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
 928         * testsuite/gfortran.dg/graphite/id-13.f: New.
 929         * testsuite/gfortran.dg/graphite/id-5.f: New.
 930
 931 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 932
 933         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
 934         check that nb_reductions_in_loop is zero.
 935         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
 936         reduction phi nodes.
 937         (nb_reductions_in_loop): Removed.
 938         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
 939         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
 940         (bb_contains_non_iv_scalar_phi_nodes): Removed.
 941         (scop_contains_non_iv_scalar_phi_nodes): Removed.
 942         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
 943
 944 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 945
 946         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
 947         statements that have an empty iteration domain.
 948         * testsuite/gfortran.dg/graphite/id-16.f: New.
 949
 950 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 951
 952         * tree-scalar-evolution.c (instantiate_scev_1): Return
 953         chrec_dont_know when the result is not above instantiate_below.
 954         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
 955         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
 956         the tree has a known scalar evolution.
 957         * testsuite/gfortran.dg/graphite/id-14.f: New.
 958         * testsuite/gfortran.dg/graphite/id-15.f: New.
 959
 960 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 961
 962         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
 963         insert_gsi.
 964         (rename_variables): Keep inserting renames after the ones already
 965         inserted.
 966
 967 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 968
 969         * graphite-sese-to-poly.c (compare_bb_depths): New.
 970         (graphite_sort_dominated_info): New.
 971         (build_scop_bbs_1): Call graphite_sort_dominated_info.
 972         (build_scop_scattering): Fix comment.
 973
 974 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * graphite.c (graphite_finalize): Call print_loops instead of
 977         dump_function_to_file.
 978         * testsuite/gcc.dg/graphite/graphite.exp: Fix formatting.
 979         * testsuite/gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
 980         loops generated in the graphite output file.
 981         * testsuite/gcc.dg/graphite/pr35356-2.c: New.
 982         * testsuite/gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
 983         * testsuite/gfortran.dg/graphite/id-12.f: New.
 984
 985 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 986
 987         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
 988         Remove 2 XFAIL.
 989
 990 2009-07-24  Li Feng  <nemokingdom@gmail.com>
 991             Tobias Grosser  <grosser@fim.uni-passau.de>
 992
 993         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
 994         alias set number build alias in ACCESSES polyhedron.
 995         (build_alias_set_for_drs): New.
 996         (build_pbb_drs): Added build_alias_set_for_drs.
 997         * graphite-dependences.c (poly_drs_may_alias_p): New.
 998         (graphite_carried_dependence_level_k): Check alias information
 999         before building polyhedron.
1000
1001 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1002
1003         * Makefile.in (lambda-code.o): Fix formatting.
1004
1005 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1006
1007         * Merge from mainline (r149350-149952)
1008
1009 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1010
1011         * graphite-poly.c (apply_poly_transforms): Move strip_mine
1012         before interchange to prepare for loop blocking.
1013
1014 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
1015
1016         * graphite-poly.c (apply_poly_transforms): Add checks after every
1017         transformation.
1018         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
1019         done in apply_poly_transforms.
1020
1021 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1022
1023         * graphite-dependences.c (build_lexicographically_gt_constraint):
1024         Replace RES parameter with *RES.
1025         (dependence_polyhedron_1): Pass an address of the parameter RES
1026         instead of value of RES.
1027
1028 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1029
1030         * graphite.c (graphite_finalize): Fix comment.
1031         (graphite_transform_loops): Reset scev info after code generation
1032         of each scop.
1033
1034 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1035
1036         * graphite.c (graphite_finalize): Call scev_reset.
1037
1038 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1039
1040         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
1041         GBB_CLOOG_IV_TYPES hash table twice.
1042         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
1043         (add_condition_to_domain): Clear GMP values.
1044
1045 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1046
1047         * graphite-dependences.c: Fix formatting.
1048         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
1049         (pbb_number_of_iterations): Free ppl_Linear_Expression.
1050         * graphite-sese-to-poly.c: Fix formatting.
1051         * graphite.c (graphite_transform_loops): Create the hash table
1052         after the early return.
1053
1054 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1055
1056         * testsuite/gcc.dg/graphite/id-14.c: New.
1057         * testsuite/gcc.dg/graphite/pr40157.c: New.
1058         * testsuite/gfortran.dg/graphite/id-11.f: New.
1059
1060 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1061
1062         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
1063         (build_poly_scop): Return false when there are no pbbs within
1064         loops to avoid to pass to cloog scops with no loops.
1065
1066 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
1067
1068         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
1069         useless test "i % 2".
1070         (build_pbb_scattering_polyhedrons): Fix formatting.
1071         (build_poly_dr): Same.
1072         * graphite.c (graphite_transform_loops): Restructure.
1073
1074 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
1075
1076         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
1077         reduction_list parameter.
1078         (rewrite_all_phi_nodes_with_iv): Same.
1079         (canonicalize_loop_ivs): Same.
1080         * tree-parloops.c (struct brli): Removed.
1081         (build_reduction_list_info): Removed.
1082         (build_new_reduction): New.
1083         (analyze_reduction_list): Removed.
1084         (gather_scalar_reductions): Find reductions instead of phi
1085         nodes that can't be canonicalized.
1086         (try_create_reduction_list): Remove reduction_list parameter.
1087         (gen_parallel_loop): Same.
1088         (parallelize_loops): Remove analyze_reductions variable,
1089         initialization and free.
1090         Change reduction_list htab initialization to reduction_info
1091         elements instead of ssa names.
1092         Call try_create_reduction_list and gen_parallel_loop without
1093         analyzed_reduction argument.
1094         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
1095         canonicalize_loop_ivs with one less argument.
1096         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
1097
1098 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1099
1100         * graphite-dependences.c (new_poly_dr_pair): New.
1101         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
1102         (new_poly_dr_pair): New.
1103         (eq_poly_dr_pair_p): New.
1104         (hash_poly_dr_pair_p): New.
1105         * graphite-dependences.h (struct poly_dr_pair): New.
1106         (eq_poly_dr_pair_p): Declared.
1107         (hash_poly_dr_pair_p): Declared.
1108         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
1109         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
1110         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
1111         * Makefile.in (graphite-poly.o): Add dependence on
1112         graphite-dependences.h.
1113
1114 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
1117         polynomials of degree > 1 pass to Graphite.
1118         * tree-chrec.c (scev_is_linear_expression): Call
1119         evolution_function_is_affine_multivariate_p.
1120         * testsuite/gfortran.dg/graphite/id-10.f90: New.
1121
1122 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1123
1124         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
1125         Instantiate scevs varying in outer loops.
1126         * testsuite/gfortran.dg/graphite/id-9.f: Correct testcase.
1127
1128 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
1131         redundant constraint.
1132
1133 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1134
1135         * testsuite/gcc.dg/graphite/graphite.exp: Fix comments.
1136         * testsuite/gfortran.dg/graphite/graphite.exp: Trigger actions
1137         based on the file names as in the C testsuite.
1138         * testsuite/gfortran.dg/graphite/block-1.f90: Fix patterns.
1139         * testsuite/gfortran.dg/graphite/block-2.f: Same.
1140         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
1141         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
1142         * testsuite/gfortran.dg/graphite/id-1.f90: Same.
1143         * testsuite/gfortran.dg/graphite/id-2.f90: Same.
1144         * testsuite/gfortran.dg/graphite/id-3.f90: Same.
1145         * testsuite/gfortran.dg/graphite/id-4.f90: Same.
1146         * testsuite/gfortran.dg/graphite/id-6.f: Same.
1147         * testsuite/gfortran.dg/graphite/id-9.f: Same.
1148         * testsuite/gfortran.dg/graphite/interchange-1.f: Same.
1149         * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
1150         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
1151
1152 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * sese.c (expand_scalar_variables_call): New.
1155         (expand_scalar_variables_ssa_name): Handle calls in expander.
1156
1157 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1158
1159         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
1160         Expect to see the pattern twice.
1161         * testsuite/gcc.dg/graphite/interchange-0.c: Un-XFAIL.
1162         * testsuite/gcc.dg/graphite/interchange-5.c: Same.
1163         * testsuite/gcc.dg/graphite/interchange-6.c: Same.
1164
1165 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1166
1167         * testsuite/gcc.dg/graphite/id-10.c: New.
1168         * testsuite/gcc.dg/graphite/id-12.c: New.
1169         * testsuite/gfortran.dg/graphite/id-7.f: New.
1170         * testsuite/gfortran.dg/graphite/id-8.f: New.
1171
1172 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1173
1174         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
1175         zero.
1176
1177 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
1180
1181 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
1184
1185 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1186
1187         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
1188         building PDR subscripts.
1189
1190 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1191
1192         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
1193         computation of array sizes.
1194
1195 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
1196
1197         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
1198
1199 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
1200
1201         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
1202         build_pairwise_constraint, dr_equality_constraints,
1203         build_pairwise_scheduling_equality,
1204         build_pairwise_scheduling_inequality, lexicographically_gt_p,
1205         build_lexicographically_gt_constraint, dependence_polyhedron,
1206         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
1207         Move from NNC_Polyhedron to C_Polyhedron.
1208         * graphite-interchange.c (compute_array_size_poly,
1209         gather_access_strides): Dito.
1210         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
1211         free_scop, pbb_number_of_iterations): Dito.
1212         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
1213         pbb_dim_iter_domain, struct scop): Dito.
1214         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
1215         new_Cloog_Domain_from_ppl_Polyhedron,
1216         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
1217         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
1218         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
1219         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
1220         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
1221         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
1222         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
1223         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
1224         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
1225         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
1226         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
1227         build_scop_iteration_domain, build_poly_dr): Dito
1228
1229 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1230
1231         * testsuite/gcc.dg/graphite/graphite.exp: Added a rule to execute
1232         run-id-*.c files.
1233         * testsuite/gcc.dg/graphite/run-id-1.c: New.
1234
1235 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1236
1237         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
1238         positivity constraint on the symbolic number of iterations.
1239
1240 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1241
1242         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
1243
1244 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1245             Tobias Grosser  <grosser@fim.uni-passau.de>
1246
1247         * graphite-clast-to-gimple.c (build_scop_context): Removed.
1248         (build_cloog_prog): Directly use SCOP_CONTEXT.
1249         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
1250         (free_scop): Free SCOP_CONTEXT.
1251         (print_scop_context): New.
1252         (print_scop): Call print_scop_context.
1253         (debug_scop_context): New.
1254         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
1255         (struct scop): Added field context.
1256         (SCOP_CONTEXT): New.
1257         * graphite-sese-to-poly.c (add_param_constraints): New.
1258         (build_scop_context): New.
1259         (build_poly_scop): Call build_scop_context.
1260
1261 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1262
1263         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
1264         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
1265         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
1266         * graphite-ppl.h: Include double-int.h and tree.h.
1267         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
1268         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
1269         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
1270         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
1271
1272 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1273
1274         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
1275         POINTER_PLUS_EXPR for pointer types.
1276         (clast_to_gcc_expression): Same.
1277
1278 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * graphite-poly.c (print_scattering_function): Early return when
1281         PBB_TRANSFORMED_SCATTERING is not initialized.
1282         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
1283
1284 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
1285
1286         * tree-parloops.c (analyze_reduction_list): Remove unused variable
1287         to fix bootstrap.
1288
1289 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
1290
1291         * tree-parloops.c (analyze_reduction_list): Change return
1292         value to void.
1293         (try_create_reduction_list): Move the call to
1294         analyze_reduction_list to the beginining.
1295         Call reduction_phi with analyzed_reductions as argument
1296         instead of reduction_list.
1297
1298 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
1299
1300         *  Merge from mainline (r148296:149346)
1301
1302 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1303
1304         * graphite-scop-detection.c (graphite_can_represent_init): New.
1305         (graphite_can_represent_scev): Call graphite_can_represent_init:
1306         check that the initial value does not contain multiplications of
1307         parameters.
1308         (stmt_has_simple_data_refs_p): New.
1309         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
1310         (is_simple_operand): Fix formatting.
1311         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
1312
1313 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1314
1315         * testsuite/gcc.dg/graphite/id-13.c: New.
1316         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
1317         analyze_scalar_evolution, use scalar_evolution_in_region.
1318         (scan_tree_for_params_right_scev): Add extra assert.
1319         (parameter_index_in_region_1): Split from parameter_index_in_region.
1320         (idx_record_params): Use scalar_evolution_in_region.
1321         (find_params_in_bb): Same.
1322         (find_scop_parameters): Same.
1323         (build_loop_iteration_domains): Same.
1324         (create_linear_expr_from_tree): Same.
1325         * sese.c (scalar_evolution_in_region): New.
1326         * sese.h (scalar_evolution_in_region): Declared.
1327         (defined_in_sese_p): New.
1328         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
1329         static anymore.
1330         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
1331         Declared.
1332
1333 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1334
1335         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
1336         TREE_DATA_REF_H also implies SCEV_H.
1337
1338 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
1339
1340         * graphite-poly.c (print_scop_params): New.
1341         (print_scop): Call print_scop_params.
1342         (debug_scop_params): New.
1343         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
1344
1345 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1346
1347         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
1348         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
1349         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
1350         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
1351         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
1352         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
1353
1354 2009-07-07  Li Feng  <nemokingdom@gmail.com>
1355
1356         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
1357         for dependency checking part.
1358         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
1359         tests for dependency checking.
1360         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1361         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1362         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
1363         flag -fdump-tree-graphite-all for autopar testsuites.
1364
1365 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1366
1367         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
1368         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
1369         canonicalize_loop_ivs): Moved...
1370         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
1371
1372 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * tree-parloops.c (try_create_reduction_list): Pass an extra
1375         argument analyzed_reductions.  Call analyze_reduction_list.
1376         (gen_parallel_loop): Do not call analyze_reduction_list.
1377         (parallelize_loops): Init and finalize analyzed_reductions.
1378
1379 2009-07-06  Li Feng  <nemokingdom@gmail.com>
1380
1381         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1382         Added flag -fno-loop-strip-mine for autopar testcase.
1383
1384 2009-07-04  Li Feng  <nemokingdom@gmail.com>
1385
1386         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
1387         transformed scattering dimension instead of unmatch orignal when
1388         calling dependence_polyhedron.
1389
1390 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1391
1392         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
1393
1394 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1395
1396         * graphite-poly.c (pbb_number_of_iterations): Check for returned
1397         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
1398
1399 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
1402         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
1403         * graphite-poly.c (pbb_number_of_iterations): New.
1404         * graphite-poly.h (pbb_number_of_iterations): Declared.
1405         (pbb_iterator_dim, pbb_parameter_dim): New.
1406
1407 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
1408
1409         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
1410         last commit on type of lower and upper bound of loops.
1411
1412 2009-06-29  Li Feng  <nemokingdom@gmail.com>
1413
1414         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
1415         graphite-dependences.h.
1416         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
1417         (mark_bb_with_pbb): New.
1418         (get_stmtfor_depth): New.
1419         (find_pbb_via_hash): New.
1420         (dependency_in_loop_p): New.
1421         (mark_loops_parallel): New.
1422         (free_aux_in_new_loops): New.
1423         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
1424         bb with it's relevant pbb. Mark newly created loops.  Remove mark
1425         innermost loop parallel without checking.
1426         (gloog): Add parameter BB_PBB_MAPPING.
1427         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
1428         (gloog): Change declaration.
1429         (mark_loop_parallel): Make extern.
1430         (free_aux_in_new_loops): Declare.
1431         (bb_pbb_map_hash): New.
1432         (eq_bb_pbb_map): New.
1433         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
1434         auto parallelization when flag_graphite_force_parallel is set.
1435         (graphite_finalize): Added free_aux_in_new_loops.
1436         * tree-parloops.c (parallelize_loops): Only generate parallel code for
1437         the innermost loop that marked parallel.  Use
1438         flag_graphite_force_parallel instead of loop->can_be_parallel.
1439         (loop_parallel_p): Move inner most checking out of function.
1440
1441 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
1444         type of lower and upper bound of loops signed long int.
1445
1446 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1447
1448         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
1449         expression outside the loop.
1450
1451 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1452
1453         * gcc.dg/graphite/interchange-8.c: New.
1454
1455 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1456
1457         * gcc.dg/graphite/interchange-0.c: XFailed.
1458         * gcc.dg/graphite/interchange-5.c: XFailed.
1459         * gcc.dg/graphite/interchange-6.c: XFailed.
1460
1461 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-interchange.c (compute_array_size_poly): The end of the
1464         recursion should return 1.
1465
1466 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-interchange.c (compute_array_size_cstr): Allow the
1469         subscript multiplier to be -1.
1470         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
1471         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
1472         data_container.  Initializes PDR_DATA_CONTAINER.
1473         (print_pdr_access_layout): New.
1474         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
1475         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
1476         data_container.
1477         (PDR_DATA_CONTAINER): New.
1478         (new_poly_dr): Update declaration.
1479         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
1480         (build_poly_dr): Call pdr_add_data_dimensions.
1481
1482 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-poly.h (struct poly_dr): Fix comment.
1485         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
1486         (pdr_add_memory_accesses): New.
1487         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
1488
1489 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
1490
1491         * graphite-poly.c (print_pdrs, debug_pdrs): New.
1492         (print_pbb): Add call to print_pdrs.
1493         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
1494
1495 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
1496             Li Feng <nemokingdom@gmail.com>
1497
1498         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
1499         (dependency_between_pbbs_p): New.
1500         (lexicographically_gt_p): Assure !empty_p before polyhedron
1501         intersection assign.
1502         (build_lexicographically_gt_constraint): Correct lexicographically
1503         judging.
1504         * graphite-dependences.h: New.
1505         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
1506
1507 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1508
1509         * graphite-clast-to-gimple.c (print_clast_stmt): New.
1510         (gloog): Print to dump_file the generated clast.
1511         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
1512         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
1513
1514 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1515
1516         * graphite-poly.c (extend_scattering): Increment
1517         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
1518
1519 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
1520
1521         * graphite-interchange.c (compute_array_size_poly): Added exit of
1522         recursion condition.  Continue iterating even after the first equality.
1523         (compute_array_size): Same.
1524
1525 2009-06-24  Li Feng  <nemokingdom@gmail.com>
1526
1527         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
1528         -fdump-tree-final_cleanup to -fdump-tree-optimized.
1529         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
1530         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
1531         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
1532
1533 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1534
1535         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
1536         only when the use verifies is_gimple_reg.
1537
1538 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1539
1540         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
1541         Allocate scaldims after call to unify_scattering_dimensions.
1542
1543 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1544
1545         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
1546
1547 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1548             Albert Cohen  <albert.cohen@inria.fr>
1549
1550         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
1551         variables for the strip mining.
1552
1553 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1554             Pranav Garg  <pranav.garg2107@gmail.com>
1555
1556         * Makefile.in (OBJS-common): Added graphite-blocking.o.
1557         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
1558         (graphite-blocking.o): New rule.
1559         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
1560         * graphite-blocking.c: New.
1561         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
1562         flag_loop_strip_mine.
1563         (psct_scattering_dim_for_loop_depth): New.
1564         * graphite-poly.h (scop_do_strip_mine): Declared.
1565         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
1566         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
1567         flag_loop_strip_mine.
1568
1569 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1570
1571         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
1572         a GMP value and a PPL coefficient at each iteration of a loop.
1573
1574 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1575
1576         * graphite-dependences.c (dependence_polyhedron): Do not use
1577         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
1578         pbb_nb_scattering_transform.
1579         (graphite_legal_transform_dr): Same.
1580         * graphite-poly.c (extend_scattering): Same.
1581         (unify_scattering_dimensions): Same.
1582         (print_scattering_function): Same.
1583         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
1584         PBB_NB_LOCAL_VARIABLES.
1585         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
1586         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
1587         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
1588         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
1589         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
1590         (pbb_nb_scattering_transform): New.
1591         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
1592         (psco_scattering_dim): Add assert on parameters.
1593         (psct_scattering_dim): Same.
1594         (psct_scattering_dim_for_loop_depth): Declared.
1595         (psct_local_var_dim): New.
1596         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
1597         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
1598         correct layout, call pbb_nb_local_vars.
1599         (psct_add_local_variable, psct_add_scattering_dimension): New.
1600         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
1601         Initialize PBB_NB_SCATTERING_TRANSFORM.
1602
1603 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
1606         (set_coef): Renamed ppl_set_coef.
1607         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
1608
1609 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
1610
1611         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
1612         test a boolean against 1.
1613         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
1614         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
1615         (pbb_do_interchange): Returns true when a transform has been performed.
1616         (scop_do_interchange): Same.
1617         * graphite-poly.c (apply_poly_transforms): Use the return value of
1618         scop_do_interchange.
1619         * graphite-poly.h (scop_do_interchange): Update declaration.
1620
1621 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1622
1623         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
1624         after last use.
1625         * sese.c (sese_reset_aux_in_loops): New.
1626         * sese.h (sese_reset_aux_in_loops): New.
1627
1628 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
1631         multiplier and multiply the constant by the multiplier.
1632         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
1633         (build_poly_dr): Do not use the multiplier to define the subscript.
1634
1635 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1636
1637         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
1638         compiler's data reference.  Initialize PDR_CDR.
1639         (print_pdr): Call dump_data_reference.
1640         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
1641         Add compiler_dr field.
1642         (PDR_BB): Renamed PDR_PBB.
1643         (PDR_CDR): New.
1644         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
1645         GCC's data reference representation.
1646         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
1647         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
1648
1649 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1650
1651         * graphite-poly.c (print_scattering_function): Also print the layout.
1652         * graphite-poly.h (pbb_nb_local_vars): New.
1653
1654 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * graphite-poly.c (print_pbb_domain): Also print the layout names.
1657
1658 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
1659
1660         * graphite-poly.c (print_pdr, debug_pdr): New.
1661         * graphite-poly.h (print_pdr, debug_pdr): Declared.
1662         (PDR_BASE): Removed.
1663
1664 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1665
1666         * gcc/testsuite/gcc.dg/graphite/interchange-{1..7}.c: New avatars of
1667         ltrans-{1..6,8}.c.
1668
1669 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1670
1671         * graphite-interchange.c (compute_subscript): Allow also -1 in the
1672         subscript identification column.
1673         (pbb_do_interchange): Print to dump_file that some loops "will be
1674         interchanged".  Rely on that chain of characters in the testcases.
1675         * gcc.dg/graphite/interchange-0.c: New.
1676         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
1677         interchange-*.c files and compile them with -floop-interchange.
1678
1679 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
1680
1681         * graphite-interchange.c (interchange_profitable_p): Renamed
1682         pbb_interchange_profitable_p.
1683
1684 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1685             Harsha Jagasia  <harsha.jagasia@amd.com>
1686             Pranav Garg  <pranav.garg2107@gmail.com>
1687
1688         * graphite-interchange.c (interchange_profitable_p): Make static.
1689         (pbb_interchange_loop_depths, pbb_do_interchange,
1690         scop_do_interchange): New.
1691         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
1692         for flag_loop_interchange.
1693         * graphite-poly.h (scop_do_interchange): Declared.
1694         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
1695         flag_loop_interchange is used.
1696
1697 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         * graphite-dependences.c (dependence_polyhedron): Update use of
1700         pbb_nb_scattering_dims.
1701         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
1702         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
1703         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
1704         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
1705
1706 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite.c: Cleanup foo.
1709
1710 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * Merge from mainline (r143684:148293).
1713         * Disabled libpcp until it gets fixed.
1714
1715 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
1716             Harsha Jagasia  <harsha.jagasia@amd.com>
1717
1718         * graphite-interchange.c: New.
1719         * Makefile.in (graphite-interchange.o): New.
1720         * graphite-poly.h (interchange_profitable_p): Declared.
1721         * graphite-ppl.h (value_max): New.
1722
1723 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1724
1725         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
1726         * graphite-poly.h: Fix some comments.
1727         (pdr_dim): New.
1728         (pdr_scop): New.
1729
1730 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
1731
1732         * graphite-poly.h
1733         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
1734         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
1735         (pdr_accessp_nb_params): Renamed pdr_nb_params.
1736         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
1737         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
1738         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
1739         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
1740         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
1741         * graphite-clast-to-gimple.c: Same.
1742         * graphite-dependences.c: Same.
1743         * graphite-poly.c: Same.
1744         * graphite-sese-to-poly.c: Same.
1745
1746 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
1749         expressions for an IV rename, as returned by clast_to_gcc_expression.
1750         (copy_renames): Rename new_name to expr.
1751         * sese.c (debug_rename_elt): Same.
1752         (get_rename): Same.
1753         (set_rename): Same.
1754         (sese_adjust_liveout_phis): Call force_gimple_operand before using
1755         the information from the rename map.
1756         (rename_variables_in_stmt): Same.
1757         (add_loop_exit_phis): Rename new_name to expr.
1758         (insert_loop_close_phis): Same.
1759         (add_guard_exit_phis): Same.  Call force_gimple_operand.
1760         * sese.h (struct rename_map_elt): Rename new_name to expr.
1761         (new_rename_map_elt): Same.
1762
1763 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1764
1765         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
1766         * sese.c (set_rename): Make it extern.
1767         * sese.h (set_rename): Declared.
1768
1769 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
1770
1771         * graphite-poly.c (extend_scattering): Free values.
1772         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
1773         Free iterators.
1774         (ppl_print_powerset_matrix): Same.
1775         * graphite-scop-detection.c (free_scops_1): New.
1776         (limit_scops): Call free_scops_1.
1777         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
1778         (build_poly_dr): Free PPL coefficients.
1779         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
1780
1781 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
1782
1783         * graphite-dependences.c: New.
1784         * graphite-data-ref.c: Removed.
1785         * graphite-data-ref.h: Removed.
1786         * Makefile.in (graphite-data-ref.o): Removed.
1787         (graphite-dependences.o): Added.
1788         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
1789         * graphite-poly.c: Same.
1790         Move the data dependence testing to graphite-dependences.c.
1791
1792 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
1793
1794         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
1795         from graphite_cannot_represent_loop. Code refactored.
1796         (scopdet_basic_block_info): Call graphite_can_represent_loop.
1797
1798 2009-05-17  Li Feng  <nemokingdom@gmail.com>
1799
1800         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
1801         Cover all the testcases (not only the filtered ones).
1802
1803 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
1804
1805         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
1806         unnecessary check. Update comments. Move check for REAL_TYPE here.
1807         (harmful_stmt_in_bb): Remove checks for conditions. This is already
1808         done in (stmt_simple_for_scop_p).
1809
1810 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
1811
1812         * graphite.c (print_global_statistics): New.
1813         (print_graphite_scop_statistic): New.
1814         (print_graphite_statistics): New.
1815         (graphite_initialize, graphite_transform_loops): Print statistics.
1816         * graphite-scop-detection (build_scops): Print statistics.
1817         (print_graphite_scop_statistics): New.
1818         (print_graphite_statistics): New.
1819
1820 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1821
1822         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
1823         (debug_clast_name_index): Removed.
1824         (debug_clast_name_indexes_1): Removed.
1825         (debug_clast_name_indexes): Removed.
1826         (clast_name_index_elt_info): Removed.
1827         (eq_clast_name_indexes): Removed.
1828         (clast_name_to_index): Removed.
1829         (new_clast_name_index): Removed.
1830         (save_clast_name_index): Removed.
1831         (save_var_name): Moved...
1832         (init_sese_params_index): Removed.
1833         (clast_name_to_gcc): Remove use of name_tree.
1834         (initialize_cloog_names): Same.
1835         (gloog): Do not call init_sese_params_index.
1836         * graphite-sese-to-poly.c (save_var_name): ...here.
1837         (parameter_index_in_region): New.
1838         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
1839         (parameter_index_in_region): Removed.
1840         (is_parameter): Remove use of name_tree.
1841         * sese.h (struct name_tree): Removed.
1842         (struct sese): Remove use of name_tree.  New field params_names.
1843         (SESE_PARAMS_NAMES): New.
1844         (SESE_PARAMS): Remove duplicate.
1845         (parameter_index_in_region): Removed.
1846         (sese_nb_params): Remove use of name_tree.
1847         (struct clast_name_index): New.
1848         (new_clast_name_index): New.
1849         (clast_name_to_index): New.
1850         (save_clast_name_index): New.
1851         (debug_clast_name_index): New.
1852         (debug_clast_name_indexes_1): New.
1853         (debug_clast_name_indexes): New.
1854         (clast_name_index_elt_info): New.
1855         (eq_clast_name_indexes): New.
1856
1857 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1858
1859         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
1860         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
1861         (graphite_loop_normal_form): Do not pass region.  Do not
1862         initialize SESE_OLDIVS.
1863         (build_graphite_loop_normal_form): Update call to
1864         graphite_loop_normal_form.
1865         * sese.c (debug_oldivs): Removed.
1866         (new_sese): Do not initialize SESE_OLDIVS.
1867         (free_sese): Do not free SESE_OLDIVS.
1868         (oldiv_for_loop): Removed.
1869         * sese.h (struct sese): Remove old_ivs.
1870         (SESE_OLDIVS): Removed.
1871         (oldiv_for_loop): Removed.
1872
1873 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
1876         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
1877         replaced by a call to newivs_to_depth_to_newiv.
1878         (clast_to_gcc_expression): Pass newivs, remove ivstack.
1879         (clast_to_gcc_expression_red): Same.
1880         (gcc_type_for_clast_expr): Same.
1881         (gcc_type_for_clast_eq): Same.
1882         (graphite_translate_clast_equation): Same.
1883         (graphite_create_guard_cond_expr): Same.
1884         (graphite_create_new_guard): Same.
1885         (graphite_create_new_loop): Same.
1886         (build_iv_mapping): Same.
1887         (translate_clast): Same.
1888         (gloog): Same.
1889         (loop_iv_stack_patch_for_consts): Removed.  *
1890         sese.c (iv_stack_entry_is_constant): Removed.
1891         (iv_stack_entry_is_iv): Removed.
1892         (loop_iv_stack_push_iv): Removed.
1893         (loop_iv_stack_insert_constant): Removed.
1894         (loop_iv_stack_pop): Removed.
1895         (loop_iv_stack_get_iv): Removed.
1896         (loop_iv_stack_get_iv_from_name): Removed.
1897         (debug_loop_iv_stack): Removed.
1898         (free_loop_iv_stack): Removed.
1899         (loop_iv_stack_remove_constants): Removed.  *
1900         sese.h (iv_stack_entry_kind): Removed.
1901         (iv_stack_entry_data_union): Removed.
1902         (iv_stack_entry_struct): Removed.
1903         (iv_stack_entry_p): Removed.
1904         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
1905         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
1906         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
1907         loop_iv_stack_pop, free_loop_iv_stack): Removed.
1908         (gbb_loop_at_index): Fix indenting.
1909         (gbb_loop_index): Removed.
1910
1911 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
1914         Call clast_name_to_index.
1915
1916 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
1919         do not pass params.  Get params from SESE_PARAMS.
1920         (clast_to_gcc_expression): Same.
1921         (clast_to_gcc_expression_red): Same.
1922         (gcc_type_for_clast_eq): Same.
1923         (graphite_translate_clast_equation): Same.
1924         (graphite_create_new_loop): Same.
1925         * sese.c (rename_variables_in_stmt): Fix comment.
1926
1927 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
1930         newivs_index.
1931         Call save_clast_name_index.
1932         (translate_clast): Pass newivs_index.
1933         (gloog): Create and free newivs_index.
1934
1935 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1936
1937         * graphite-clast-to-gimple.c (clast_name_index): New structure.
1938         (clast_name_index_p): New type.
1939         (debug_clast_name_index): New.
1940         (debug_clast_name_indexes_1): New.
1941         (debug_clast_name_indexes): New.
1942         (clast_name_index_elt_info): New.
1943         (eq_clast_name_indexes): New.
1944         (clast_name_to_index): New.
1945         (new_clast_name_index): New.
1946         (save_clast_name_index): New.
1947         (init_sese_params_index): New.
1948         (gloog): Call init_sese_params_index.
1949         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
1950         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
1951         (free_sese): Free SESE_PARAMS_INDEX.
1952         * sese.h (struct sese): Add params_index.
1953         (SESE_PARAMS_INDEX): New.
1954
1955 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1956
1957         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
1958         (graphite_create_new_loop): Pass the newivs vector.  Push the
1959         newly created IV to newivs.
1960         (translate_clast): Pass the newivs vector.
1961         (gloog): Create and destroy the newivs vector.
1962
1963 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
1964
1965         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
1966         (graphite_loop_normal_form): Initialize loop->aux with the unique
1967         IV that has been created.
1968
1969 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
1970
1971         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
1972         scev with parameters in the base part. They where forbidden
1973         exidently.
1974
1975 2009-05-11  Li Feng  <nemokingdom@gmail.com>
1976
1977         * testsuite/gcc.dg/graphite/graphite.exp: Set different default
1978         compile options by file names.
1979         * testsuite/gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
1980         * testsuite/gcc.dg/graphite/id-{1-9}.c: Ditto.
1981         * testsuite/gcc.dg/graphite/scop-{0-20}.c: Ditto.
1982         * testsuite/gcc.dg/graphite/scop-matmult.c: Ditto.
1983
1984 2009-05-08  Li Feng <nemokingdom@gmail.com>
1985
1986         * testsuite/gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
1987         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
1988         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
1989         * testsuite/gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
1990
1991 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1992
1993         * graphite-scop-detection (build_scops_1): Fix little bug introduced
1994         by final cleanup.
1995
1996 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
1997
1998         * graphite-scop-detection.c (graphite_can_represent_scev): Only
1999         allow integer constant strides.
2000         (graphite_can_represent_expr): Depend on outermost_loop.
2001         (stmt_simple_memref_p, graphite_cannot_represent_loop,
2002         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
2003         build_scops_1): Same.
2004         (scopdet_basic_block_info): Same and insert layered SCoP
2005         detection.
2006         (try_generate_gimple_bb): Cleanup.
2007         (build_scops): Enable data references.
2008
2009         * testsuite/gcc.dg/graphite/id-5.c: New.
2010         * testsuite/gcc.dg/graphite/id-9.c: New.
2011         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
2012         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
2013
2014 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2015
2016         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
2017         that we have not yet built for this SCoP.
2018
2019 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2020
2021         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
2022         for complex numbers.
2023
2024 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
2025
2026         * graphite-ppl.c: Fix build if cloog is not available.
2027
2028 2009-05-04  Li Feng  <nemokingdom@gmail.com>
2029
2030         * tree-parloops.c (loop_parallel_p): Remove construction of
2031         NITER and REDUCTION_LIST.
2032         (try_get_loop_niter): New.
2033         (try_create_reduction_list): New.
2034         (parallelize_loops): Bypass the failed checkings in autopar
2035         when can_be_parallel in loop structure is set to true.
2036
2037 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2038
2039         * testsuite/gcc.dg/graphite/id-6.c: Update testcase.
2040         * testsuite/gcc.dg/graphite/scop-3.c: Dito.
2041
2042 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2043
2044         * graphite-scop-detection.c (stmt_simple_for_scop_p):
2045         Enable EQ_EXPR and NE_EXPR again.
2046
2047 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2048
2049         * graphite-scop-detection.c (graphite_can_represent_scev):
2050         Add check if scev is affine multivariate.
2051         (harmful_stmt_in_bb): Check if we can represent the conditions.
2052         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
2053         harmful_stmt_in_bb.
2054         * testsuite/gcc.dg/graphite/id-7.c: New.
2055
2056 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
2057
2058         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
2059         Check all bbs in region, not only the bbs that are represented in
2060         GRAPHITE.
2061         (build_poly_scop): Add newline.
2062         * testsuite/gcc.dg/graphite/id-8.c: New.
2063
2064 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2065
2066         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
2067         when loop initialize.
2068         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
2069         * common.opt: Declare flag_graphite_force_parallel.
2070         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
2071         loop parallel.
2072         * graphite-poly.c (apply_poly_transforms): Introduce
2073         flag_graphite_force_parallel.
2074         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
2075         * toplev.c (process_options): ditto and replace a not correctly
2076         encoded space.
2077
2078 2009-04-30  Li Feng  <nemokingdom@gmail.com>
2079
2080         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
2081         Change the call of gbb_loop_at_index and/or gbb_loop_index due
2082         to the redefinition.
2083         (compute_cloog_iv_types_1): ditto.
2084         (build_iv_mapping): ditto.
2085         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
2086         initialization.
2087         (free_gimple_bb): Removed GBB_LOOPS related free part.
2088         (build_bb_loops): Removed.
2089         * sese.h (struct gimple_bb): Removed loops.
2090         (GBB_LOOPS): Removed.
2091         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
2092         (gbb_loop_index): ditto.
2093
2094 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2095
2096         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
2097         allow non constant strides.
2098         * testsuite/gcc.dg/graphite/scop-20.c: New.
2099
2100 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2101
2102         * graphite-scop-detection.c (dot_all_scops): Fix system call
2103         return value warning.
2104         (dot_scop): Same.
2105
2106 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2107
2108         * testsuite/gcc.dg/graphite/id-6.c: Fix pattern.
2109         * testsuite/gcc.dg/graphite/scop-3.c: Same.
2110
2111 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2112
2113         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
2114         build_pairwise_constraint, dr_equality_constraints,
2115         build_pairwise_scheduling_equality,
2116         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2117         build_lexicographically_gt_constraint, dependence_polyhedron,
2118         graphite_legal_transform_dr, graphite_legal_transform_bb,
2119         graphite_legal_transform): New.
2120         * graphite-poly.h (graphite_legal_transform): Declared.
2121         * graphite-sese-to-poly.c (build_poly_scop): Call to
2122         graphite_legal_transform is disabled for the moment.
2123
2124 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2125
2126         * graphite-poly.h (pbb_nb_scattering_dims): New.
2127         (pbb_nb_scattering): Use it.
2128
2129 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2130
2131         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
2132         Pointset_Powerset version of ppl_insert_dimensions.
2133         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
2134
2135 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2136
2137         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
2138
2139 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2140
2141         * graphite-poly.h: Fix comment.
2142
2143 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
2144
2145         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
2146
2147 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2148
2149         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
2150         statements.
2151
2152 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2153
2154         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
2155         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
2156         conditions.
2157
2158 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
2159
2160         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
2161         handle EQ_EXPR and NE_EXPR.
2162
2163 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2164
2165         * graphite-poly.h (poly_dr): Fix comment.
2166
2167 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2168             Tobias Grosser  <grosser@fim.uni-passau.de>
2169
2170         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
2171         with a zero dimension polyhedron.
2172         (find_scop_parameters): Move the call to scop_set_nb_params here.
2173         (build_loop_iteration_domains): Store in loop->aux the iteration
2174         domain polyhedron.
2175         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
2176         by any loop in scop.
2177         (build_poly_scop): Do not call scop_set_nb_params.
2178
2179 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
2180             Tobias Grosser  <grosser@fim.uni-passau.de>
2181
2182         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
2183         add_condition_to_domain not GT_EXPR.
2184
2185 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2186
2187         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
2188         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
2189         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
2190         upper_bound_assign to calculate unions.
2191         * testsuite/gcc.dg/graphite/id-6.c: New.
2192
2193 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2194
2195         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
2196         handle abnormal edges.
2197
2198 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2199
2200         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
2201         (free_poly_bb): Also free poly_drs.
2202         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
2203         (poly_dr): Polyhedron to Pointset_Powerset.
2204         (pdr_accessp_nb_subscripts): Same.
2205         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
2206         poly_drs.
2207
2208 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2209
2210         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
2211         names into more meaningful names.
2212
2213 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         * testsuite/gfortran.dg/graphite/interchange-1.c: New.
2216         * testsuite/gfortran.dg/graphite/interchange-2.c: New.
2217
2218 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2219
2220         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
2221         the reduction_list.
2222         * tree-parloops.c (rewrite_phi_with_iv): New.
2223         (rewrite_all_phi_nodes_with_iv): New.
2224         (canonicalize_loop_ivs): Call them.
2225
2226 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
2229         graphite_find_data_references_in_stmt.
2230         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
2231         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
2232
2233 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2234
2235         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
2236
2237 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2238
2239         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
2240         instead of bb_in_region.
2241         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
2242         (build_sese_conditions): Use flag_bb_in_sese.
2243         * sese.c (register_bb_in_sese): Removed.
2244         (new_sese): Remove initialization of SESE_REGION_BBS.
2245         (free_sese): Do not free SESE_REGION_BBS.
2246         * sese.h (struct sese): Remove field region_basic_blocks.
2247         (SESE_REGION_BBS): Removed.
2248         (bb_in_sese_p): Implement in function of bb_in_region.
2249
2250 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         * graphite-scop-detection.c (limit_scops): Deal only with single exit
2253         loops.
2254
2255 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2256
2257         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
2258         and EQ_EXPR.
2259         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
2260         (add_condition_to_domain): New.
2261         (add_condition_to_pbb): New.
2262         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
2263         * testsuite/gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
2264
2265 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2266
2267         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
2268         ppl_Pointset_Powerset.
2269         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
2270         * graphite-poly.h (poly_bb): poly_bb.domain Same.
2271         (pbb_nb_loops): Same.
2272         * graphite-sese-to-poly.c (build_loop_iteration_domains,
2273         add_conditions_to_domain): Same.
2274         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
2275         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
2276         ppl_const_Polyhedron_t.
2277         (ppl_print_powerset_matrix): New.
2278         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
2279         ppl_print_powerset_matrix): New.
2280         (ppl_print_polyhedron_matrix): Updated.
2281
2282 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
2285
2286 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2287
2288         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
2289         (print_iteration_domains, debug_iteration_domain,
2290         debug_iteration_domains): New.
2291         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
2292         debug_iteration_domains): Declared.
2293         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
2294         indenting.
2295
2296 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
2297             Sebastian Pop  <sebastian.pop@amd.com>
2298
2299         * graphite-poly.h (print_iteration_domain): New.
2300         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
2301         (build_sese_conditions_1, build_sese_conditions_after,
2302         build_sese_conditions_before): New.
2303         (build_sese_conditions): Rewritten.
2304
2305 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2306             Tobias Grosser  <grosser@fim.uni-passau.de>
2307
2308         Cleanup of code generation liveouts.
2309         * graphite-clast-to-gimple.c (translate_clast): Use a single
2310         rename_map instead of one per translated statement.
2311         Do not use SESE_LIVEOUT_RENAMES.
2312         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
2313         (gloog): Do not use SESE_LIVEOUT_RENAMES.
2314         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
2315         phi node of a reduction: when a loop contains a reduction used outside
2316         the loop, there should be a scalar close phi node on the exit block.
2317         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
2318         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
2319         (free_sese): Do not free them.
2320         (sese_build_liveouts_use): Do not use them.
2321         (sese_build_liveouts_bb): Same.
2322         (sese_build_liveouts): Same.
2323         (sese_insert_phis_for_liveouts): Same.
2324         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
2325         (defined_in_loop_p): New.
2326         (alive_after_loop): New.
2327         (close_phi_not_yet_inserted_p): New.
2328         (struct alep, alep_p): New.
2329         (add_loop_exit_phis): Remove from the rename_map all the names defined
2330         in the code generated loop.
2331         (insert_loop_close_phis): Traverse the rename_map passed to it.
2332         Don't use SESE_LIVEOUT_RENAMES.
2333         (default_liveout_before_guard): Renamed default_before_guard.
2334         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
2335         (graphite_copy_stmts_from_block): Do not directly call set_rename.
2336         (register_sese_liveout_renames): Removed.
2337         (copy_bb_and_scalar_dependences): Do not call it.
2338         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
2339         reduction_list.
2340         (SESE_LIVEOUT): Removed.
2341         (SESE_LIVEOUT_RENAMES): Removed.
2342         (SESE_REDUCTION_LIST): Removed.
2343         (sese_build_liveouts): Removed.
2344         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
2345         (insert_loop_close_phis): Pass a htab_t instead of a sese.
2346         (insert_guard_phis): Same.
2347         (rename_map_elt): Declare a VEC of them.
2348         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2349         trees not pointers to trees.
2350
2351         Rewrite in canonical close SSA form:
2352         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
2353         (limit_scops): Close the scop after the block containing the close phi
2354         nodes.
2355         (canonicalize_loop_closed_ssa): New.
2356         (canonicalize_loop_closed_ssa_form): New.
2357         (build_scops): Call canonicalize_loop_closed_ssa_form.
2358
2359         * graphite-sese-to-poly.c: Fix typos.
2360
2361 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
2362
2363         * graphite-poly.c (print_scattering_function, print_pbb_domain):
2364         Extended.
2365         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
2366         (print_pbb): Add conditions.
2367
2368 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
2369             Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
2372         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
2373         (build_scop_bbs_1): New.
2374         (build_scop_bbs): Rewrite.
2375         * sese.h (bb_in_region): New.
2376
2377 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2378
2379         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2380         poly_drs vector.
2381         (print_scop): Style.
2382         * graphite-poly.h (poly_bb): Add drs vector.
2383         (PBB_DRS): Add accessor.
2384         * graphite-sese-to-poly.c (build_poly_dr): New.
2385         (build_pbb_drs, build_scop_drs): New.
2386         (build_poly_scop): call build_scop_drs (Disabled at the moment).
2387
2388 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2389
2390         * tree-ssa-loop.c: Include forgotten toplev.h
2391
2392 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
2393
2394         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
2395         * testsuite/gcc.dg/graphite/pr37883.c: Remove -floop-*
2396         * testsuite/gcc.dg/graphite/pr37928.c: Same
2397         * testsuite/gcc.dg/graphite/pr38409.c: Same
2398         * testsuite/gcc.dg/graphite/pr38498.c: Same
2399         * testsuite/gcc.dg/graphite/pr38559.c: Same
2400         * testsuite/gcc.dg/graphite/pr39335.c: Same
2401         * testsuite/gcc.dg/graphite/pr39335_1.c: Same
2402         * testsuite/gfortran.dg/graphite/block-2.f: Same
2403         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
2404         with -floop-*.
2405
2406 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
2407
2408         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
2409         build_access_matrix, build_scop_data_accesses): Remove access function
2410         building. (We get a new version soon).
2411         (build_bb_loops, scan_tree_for_params_right_scev): Update.
2412         * sese.h (nb_loops_around_loop_in_sese): Remove.
2413         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
2414
2415 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
2416             Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * graphite-scop-detection.c (struct scopdet_info): Rename last
2419         field to exit.
2420         (scopdet_basic_block_info, build_scops_1): Don't use
2421         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
2422
2423 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
2424             Sebastian Pop  <sebastian.pop@amd.com>
2425
2426         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
2427         * sese.c (sese_build_liveouts_use): Renamed from
2428         sese_build_livein_liveouts_use. Remove liveins.
2429         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
2430         Call sese_build_liveouts_use.
2431         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
2432         Call sese_build_liveouts_bb.
2433         (new_sese, free_sese): Remove liveins.
2434         (sese_add_exit_phis_var): Deleted.
2435         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
2436         directly.
2437         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
2438
2439         * sese.h (sese): Remove num_ver and livein.
2440         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
2441
2442 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2443
2444         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
2445
2446 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2447
2448         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
2449         (build_scop_scattering): Do not use compare_prefix_loops any more.
2450         (nb_common_loops): New.
2451
2452 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2453
2454         * sese.c (get_new_name_from_old_name): Renamed get_rename.
2455         (register_old_and_new_names): Renamed set_rename.
2456
2457 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2458
2459         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
2460         of the decl from the previous commit.
2461
2462 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2463
2464         * graphite-scop-detection.c (dot_scop): New.
2465         * graphite-scop-detection.h (dot_scop): Declared.
2466
2467 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2468
2469         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
2470
2471 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2472
2473         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
2474         condition at the end of the loop.
2475         * graphite.c (graphite_initialize, graphite_finalize): Print to
2476         dump_file the compiled function.
2477         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
2478         of create_empty_loop_on_edge.
2479         (translate_clast): Update the code generation of loops for the new
2480         shape of loops.
2481         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
2482
2483 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
2484
2485         Reverted the patch from 2009-03-19.
2486
2487 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2488
2489         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
2490         poly_drs vector.
2491         (print_scop): Style.
2492         * graphite-poly.h (poly_bb): Add drs vector.
2493         (PBB_DRS): Add accessor.
2494         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
2495         (build_access_matrix_with_af, build_access_matrix,
2496         build_scop_data_accesses): Delete.
2497         (build_poly_dr): New.
2498         (build_pbb_drs, build_scop_drs): New.
2499         (build_poly_scop): call build_scop_drs.
2500
2501 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * graphite-scop-detection.c (dot_all_scops_1): Close the table
2504         once per basic block.
2505
2506 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2507
2508         * graphite-scop-detection.c (graphite_can_represent_scev): New.
2509         (graphite_can_represent_expr): Renamed from loop_affine_expr
2510         and enhanced.
2511         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
2512         (graphite_cannot_represent_loop): Add scop_entry to parameters.
2513         (scopdet_basic_block_info): Actually define entry_block.
2514         (stmt_simple_memref_p): Moved here from ...
2515
2516         * tree-data-ref.c (stmt_simple_memref_p): here.
2517         * tree-data-ref.h (stmt_simple_memref_p): Removed.
2518
2519 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
2520
2521         * testsuite/gcc.dg/graphite/id-4.c: New.
2522
2523 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2524
2525         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2526         (register_old_and_new_names): Update the content of the map.
2527         When there was already a rename_map_elt in the map at that
2528         location, free it.
2529         (copy_bb_and_scalar_dependences): Do rename_variables after
2530         expand_scalar_variables.
2531         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2532         of the map.  When there was already a rename_map_elt in the
2533         map at that location, free it.
2534         (translate_clast): Pass the rename_map.  Do not initialize and free
2535         a rename_map per stmt_user.
2536         (gloog): Initialize and free one rename_map and pass it to
2537         translate_clast.
2538
2539 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
2540
2541         * sese.c (expand_scalar_variables_stmt,
2542         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
2543         parameter.
2544         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
2545         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
2546         the gimple_stmt_iterator of the statement to be expanded.
2547         * graphite-scop-detection.c (is_simple_operand): Do handle
2548         REALPART_EXPR.
2549
2550 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2551
2552         * graphite-scop-detection.c (is_simple_operand): Do not handle
2553         REALPART_EXPR.
2554         * testsuite/gcc.dg/graphite/id-2.c: New.
2555
2556         * graphite-sese-to-poly.c (build_bb_loops,
2557         add_value_to_dim, scan_tree_for_params_right_scev,
2558         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
2559         find_params_in_bb, build_loop_iteration_domains,
2560         add_conditions_to_domain): Remove subtract.
2561
2562 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2563
2564         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
2565         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
2566         pbb_loop_at_index -> gbb_loop_at_index.
2567         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
2568         (debug_loop_vec): Delete.
2569         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
2570         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
2571         (PBB_LOOPS): Removed.
2572         (PBB_BLACK_BOX): Insert cast.
2573         (pbb_set_black_box): New setter.
2574         (pbb_loop_at_index, pbb_loop_index): Removed.
2575         (scop_set_region, scop_set_nb_params): New.
2576         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
2577         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
2578         (build_poly_scop): Use scop_set_nb_params.
2579         * sese.h (gimple_bb): Add LOOPS.
2580         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
2581
2582 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2583
2584         Revert previous commit.
2585
2586 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
2589         (register_old_and_new_names): Update the content of the map.
2590         When there was already a rename_map_elt in the map at that
2591         location, free it.
2592         (copy_bb_and_scalar_dependences): Do rename_variables after
2593         expand_scalar_variables.
2594         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2595         of the map.  When there was already a rename_map_elt in the
2596         map at that location, free it.
2597         (translate_clast): Pass the rename_map.  Do not initialize and free
2598         a rename_map per stmt_user.
2599         (gloog): Initialize and free one rename_map and pass it to
2600         translate_clast.
2601
2602 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
2603
2604         Remove forgotten line in revert.
2605
2606 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         Revert previous commit.
2609
2610 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * sese.c (register_old_and_new_names): Update the content
2613         of the map.  When there was already a rename_map_elt in the
2614         map at that location, free it.
2615         (copy_bb_and_scalar_dependences): Do rename_variables after
2616         expand_scalar_variables.
2617         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
2618         of the map.  When there was already a rename_map_elt in the
2619         map at that location, free it.
2620         (translate_clast): Pass the rename_map.  Do not initialize and free
2621         a rename_map per stmt_user.
2622         (gloog): Initialize and free one rename_map and pass it to
2623         translate_clast.
2624
2625 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-clast-to-gimple.c (translate_clast): context_loop
2628         is never NULL.
2629
2630 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2631             Sebastian Pop  <sebastian.pop@amd.com>
2632
2633         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
2634         of the use of ppl_Polyhedron_map_space_dimensions.
2635
2636 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2637             Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-poly.c (unify_scattering_dimensions): Fix types.
2640         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
2641         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
2642         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
2643         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
2644         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
2645         pbb_nb_params): New.
2646         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
2647         nb_loops_around_pbb): Adapt return types.
2648
2649 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
2650
2651         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2652         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2653         graphite-scop-detection.o, graphite-poly.o): Add
2654         more headers.
2655
2656 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
2657
2658         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
2659         graphite-clast-to-gimple.o,  graphite-data-ref.o,
2660         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
2661
2662 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2663
2664         * testsuite/gcc.dg/graphite/pr37485.c: Remove -floop-block
2665         * testsuite/gcc.dg/graphite/pr37828.c: Same.
2666         * testsuite/gcc.dg/graphite/pr37684.c: Same.
2667         * testsuite/gcc.dg/graphite/block-0.c: Same.
2668         * testsuite/gcc.dg/graphite/block-1.c: Same.
2669         * testsuite/gcc.dg/graphite/block-2.c: Same.
2670         * testsuite/gcc.dg/graphite/block-3.c: Same.
2671         * testsuite/gcc.dg/graphite/block-4.c: Same.
2672         * testsuite/gcc.dg/graphite/block-5.c: Same.
2673         * testsuite/gcc.dg/graphite/block-6.c: Same.
2674         * testsuite/gfortran.dg/graphite/pr38083.f90: Same.
2675         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
2676         * testsuite/gfortran.dg/graphite/block-3.f90: Same.
2677         * testsuite/gfortran.dg/graphite/pr37852.f90: Same.
2678         * testsuite/gfortran.dg/graphite/block-4.f90: Same.
2679         * testsuite/gfortran.dg/graphite/pr37980.f90: Same.
2680         * testsuite/gfortran.dg/graphite/pr38953.f90: Same.
2681         * testsuite/gfortran.dg/graphite/pr37857.f90: Same.
2682         * opts.c: Remove -floop-block from -O2.
2683         * graphite-poly.c: Fail if -floop-block -floop-interchange or
2684         -floop-strip-mine are used.
2685
2686 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
2687             Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
2690         dimensions.
2691         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
2692         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
2693         strip_mine_profitable_p, is_interchange_valid,
2694         graphite_trans_bb_block, graphite_trans_loop_block,
2695         graphite_trans_scop_block): Temporary removed.
2696         (extend_scattering, unify_scattering_dimensions): New.
2697         (print_scattering_function, graphite_read_transforms):
2698         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2699         (graphite_generate_scattering_fns): Removed.
2700         (apply_poly_transforms): Cleanup.
2701         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2702         (schedule_to_scattering): Moved.
2703         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
2704         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
2705         (pbb_nb_scattering): New.
2706         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
2707         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
2708         Removed.
2709         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
2710         shift_poly.
2711         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
2712         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
2713         -> PBB_TRANSFORMED_SCATTERING.
2714         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
2715         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
2716         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
2717         (check_poly_representation): Do not return bool.
2718         (graphite_transform_loops): Reformat.
2719         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
2720
2721 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
2722
2723         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
2724         debug_pbb_domain, debug_pbb, debug_scop): New.
2725         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
2726         debug_pbb_domain, debug_pbb, debug_scop): Declared.
2727
2728 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         PR middle-end/39335
2731         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
2732         when the type precision of the induction variable should be
2733         larger than the type precision of nit.
2734         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
2735         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
2736         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
2737
2738         * testsuite/gcc.dg/graphite/pr39335_1.c: New.
2739         * testsuite/gcc.dg/graphite/pr39335.c: New.
2740
2741 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2742
2743         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
2744         SSA_NAMES not struct reduction_info.
2745
2746 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
2749
2750 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2751             Tobias Grosser  <grosser@fim.uni-passau.de>
2752
2753         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
2754         (free_sese): Free SESE_REDUCTION_LIST.
2755         * sese.h (struct sese): Add field reduction_list.
2756         (SESE_REDUCTION_LIST): New.
2757         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
2758         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
2759
2760 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2761             Tobias Grosser  <grosser@fim.uni-passau.de>
2762
2763         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
2764         of loop_p.
2765
2766 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
2767             Tobias Grosser  <grosser@fim.uni-passau.de>
2768
2769         * tree-parloops.c (struct brli, build_reduction_list_info,
2770         analyze_reduction_list, gather_scalar_reductions): New.
2771         (loop_parallel_p): Build a reduction list containing only
2772         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
2773         (gen_parallel_loop): Call the analysis analyze_reduction_list.
2774         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
2775         * tree-flow.h (gather_scalar_reductions): Declared.
2776
2777 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         PR middle-end/39308
2780         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
2781         number_of_iterations_exit from a gcc_assert.
2782
2783 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
2784             Jan Sjodin  <jan.sjodin@amd.com>
2785
2786         * output.h (graphite_out_file, graphite_in_file): Declared.
2787         * toplev.c (graphite_out_file, graphite_in_file): New.
2788         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
2789         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
2790         Don't call schedule_to_scattering.
2791         * common.opt (fgraphite-write, fgraphite-read): New.
2792         * graphite-poly.c: Include output.h.
2793         (print_scattering_function, print_scattering_functions,
2794         debug_scattering_function, debug_scattering_functions,
2795         graphite_write_transforms, graphite_read_transforms,
2796         graphite_generate_scattering_fns): New.
2797         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
2798         Call graphite_generate_scattering_fns, graphite_write_transforms,
2799         graphite_read_transforms.
2800         (new_poly_bb): Initialize PBB_SCATTERING.
2801         (free_poly_bb): Free PBB_SCATTERING.
2802         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
2803         * graphite-poly.h (struct poly_bb): Add field scattering.
2804         (PBB_SCATTERING): New.
2805         (print_scattering_function, print_scattering_functions,
2806         debug_scattering_function, debug_scattering_functions): Declared.
2807         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
2808         GMP values, not integers!
2809         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
2810         ppl_read_polyhedron_matrix): New.
2811         * graphite-ppl.h (ppl_print_polyhedron_matrix,
2812         debug_ppl_polyhedron_matrix,
2813         ppl_read_polyhedron_matrix): Declared.
2814         * Makefile.in (graphite-poly.o): Depends on output.h.
2815
2816 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2817             Tobias Grosser  <grosser@fim.uni-passau.de>
2818
2819         Revert this change:
2820         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2821         scalar evolutions in the scop_entry->loop_father.
2822
2823 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2824             Tobias Grosser  <grosser@fim.uni-passau.de>
2825
2826         * graphite.h (ref_nb_loops): Remove declaration.
2827         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
2828         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
2829         debug_gbb): Moved to sese.h.
2830         * sese.h: As said.
2831
2832 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2833             Tobias Grosser  <grosser@fim.uni-passau.de>
2834
2835         * graphite-data-ref.[ch]: Disable.
2836
2837 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2838             Tobias Grosser  <grosser@fim.uni-passau.de>
2839
2840         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
2841         scalar evolutions in the scop_entry->loop_father.
2842
2843 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2844
2845         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
2846         (graphite_cannot_represent_loop_niter): Renamed
2847         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
2848         (limit_scops): build_sese_loop_nests does not return a bool.
2849         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
2850         * sese.c (nb_reductions_in_loop): ... from here.
2851         (graphite_loop_normal_form): ... from here.
2852         (sese_record_loop): Does not fail, so does not return a bool.
2853         (build_sese_loop_nests): Same.
2854         * sese.h (build_sese_loop_nests): Update declaration.
2855         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
2856         (build_graphite_loop_normal_form): New.
2857         (gloog): Call build_graphite_loop_normal_form.
2858         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
2859         build_sese_loop_nests.
2860
2861         * testsuite/gcc.dg/graphite/id-1.c: New.
2862
2863 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
2864             Tobias Grosser  <grosser@fim.uni-passau.de>
2865
2866         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
2867         The SCoP detection fix is sufficient.
2868
2869 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         PR tree-optimization/39260
2872         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
2873         the basic block contains a condition with a real type.
2874         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
2875
2876         * gcc.dg/graphite/pr39260.c: New.
2877
2878 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
2879
2880         * graphite-poly.c: Inlcude params.h.
2881         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
2882         the size of a tile.
2883         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
2884         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
2885
2886 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2887             Tobias Grosser  <grosser@fim.uni-passau.de>
2888
2889         * graphite-scop-detection.c (dot_all_scops_1,
2890         dot_all_scops): Moved here.
2891         * graphite-scop-detection.h (dot_all_scops): Declared here.
2892         * graphite.c (graphite_initialize, graphite_finalize): New.
2893         (graphite_transform_loops): Cleaned up.
2894         * sese.c (debug_oldivs): Moved here.
2895         * graphite-poly.c (graphite_apply_transformations): Renamed
2896         apply_poly_transforms.
2897         (debug_loop_vec): Moved here.
2898         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
2899         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
2900         find_scop_parameters, build_scop_iteration_domain,
2901         add_conditions_to_constraints, build_scop_canonical_schedules,
2902         build_scop_data_accesses): Now static.
2903         (build_poly_scop, check_poly_representation): New.
2904
2905 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
2908         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
2909         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
2910         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
2911         scan_tree_for_params_right_scev, scan_tree_for_params_int,
2912         scan_tree_for_params, struct irp_data, dx_record_params,
2913         find_params_in_bb, find_scop_parameters, gbb_from_bb,
2914         build_loop_iteration_domains, add_conditions_to_domain,
2915         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
2916         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
2917         build_sese_conditions, add_conditions_to_constraints,
2918         build_scop_iteration_domain, build_access_matrix_with_af,
2919         build_access_matrix,
2920         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
2921
2922         * graphite-sese-to-poly.c: New.
2923         * graphite-sese-to-poly.h: New.
2924
2925         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
2926
2927 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * graphite.c: Split graphite code generation to a new file.
2930         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
2931         max_precision_type, clast_to_gcc_expression_red,
2932         clast_to_gcc_expression, gcc_type_for_clast_expr,
2933         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
2934         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
2935         graphite_create_new_guard, clast_get_body_of_loop,
2936         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
2937         graphite_create_new_loop, build_iv_mapping, copy_renames,
2938         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
2939         compute_cloog_iv_types, free_scattering, save_var_name,
2940         initialize_cloog_names, build_scop_context, build_cloog_prog,
2941         set_cloog_options, debug_clast_stmt, scop_to_clast,
2942         print_generated_program, debug_generated_program,
2943         gloog): Moved to graphite-clast-to-gimple.c.
2944
2945         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
2946
2947         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
2948         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
2949         loop_iv_stack_pop, loop_iv_stack_get_iv,
2950         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
2951         free_loop_iv_stack, loop_iv_stack_remove_constants,
2952         debug_rename_elt, debug_rename_map_1, debug_rename_map,
2953         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
2954         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
2955         eq_ivtype_map_elts, sese_add_exit_phis_edge,
2956         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
2957         get_vdef_before_sese, sese_adjust_vphi,
2958         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
2959         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
2960         is_iv, expand_scalar_variables_ssa_name,
2961         expand_scalar_variables_expr, expand_scalar_variables_stmt,
2962         expand_scalar_variables, rename_variables, remove_condition,
2963         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
2964         add_loop_exit_phis, insert_loop_close_phis, struct igp,
2965         default_liveout_before_guard, add_guard_exit_phis,
2966         insert_guard_phis, register_old_and_new_names,
2967         graphite_copy_stmts_from_block, register_sese_liveout_renames,
2968         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
2969         if_region_set_false_region, create_if_region_on_edge,
2970         move_sese_in_condition): Moved to sese.c.
2971
2972         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
2973         if_region_exit, if_region_get_condition_block,
2974         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
2975         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
2976         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
2977         ivtype_map_elt, new_ivtype_map_elt,
2978         recompute_all_dominators): Moved to sese.h.
2979
2980         * graphite-clast-to-gimple.c: New.
2981         * graphite-clast-to-gimple.h: New.
2982         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
2983         * sese.c: Modified as said above.
2984         * sese.h: Same.
2985
2986 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
2987
2988         * graphite.c: Split scop detection to a new file.
2989         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
2990         move_sd_regions, loop_affine_expr, exclude_component_ref,
2991         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
2992         graphite_cannot_represent_loop_niter, struct scopdet_info,
2993         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
2994         find_single_entry_edge, find_single_exit_edge,
2995         create_single_entry_edge, sd_region_without_exit,
2996         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
2997         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
2998         Moved to graphite-scop-detection.c.
2999
3000         * graphite-scop-detection.c: New.
3001         * graphite-scop-detection.h: New.
3002         * Makefile.in: Add new rule for graphite-scop-detection.o.
3003
3004         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
3005         tree-scalar-evolution.h.
3006         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
3007         build_sese_loop_nests): Moved here from graphite.c.
3008         (param_index): Renamed parameter_index_in_region.
3009
3010 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3011             Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * gcc.dg/graphite/block-0.c: Expected to fail now.
3014         * gcc.dg/graphite/block-1.c: Same.
3015         * gcc.dg/graphite/block-5.c: Same.
3016         * gcc.dg/graphite/block-6.c: Same.
3017
3018 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3019             Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * graphite.h: Separate from graphite_bb_p the polyhedral
3022         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
3023         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
3024         graphite-data-ref.h.
3025         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
3026         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
3027         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
3028         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3029         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
3030         scop_nb_params): Moved to graphite-poly.h.
3031         * graphite-data-ref.c: Same.
3032         * graphite-data-ref.h: New.
3033         * graphite.c: Same.
3034         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
3035         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
3036         is_interchange_valid, graphite_trans_bb_block,
3037         graphite_trans_loop_block, scop_max_loop_depth,
3038         graphite_trans_scop_block, graphite_apply_transformations,
3039         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
3040         graphite-poly.c.
3041         * graphite-poly.h: New.
3042         * graphite-poly.c: New.
3043         * Makefile.in (OBJS-common): Add graphite-poly.o.
3044         (graphite-poly.o): New rule.
3045         * tree-data-ref.h (struct data_reference): Remove unused scop field.
3046         (DR_SCOP): Removed.
3047
3048 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3049             Tobias Grosser  <grosser@fim.uni-passau.de>
3050
3051         * graphite.c: Replace gb -> gbb.
3052         * graphite.h: Same.
3053         * graphite-data-ref.c: Same.
3054
3055 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
3056             Tobias Grosser  <grosser@fim.uni-passau.de>
3057
3058         * Makefile.in (OBJS-commmon): Add sese.o.
3059         (sese.o): New.
3060         (graphite.o): Add sese.h.
3061         * graphite.c (bb_in_ss_p, loop_in_sese_p,
3062         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
3063         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
3064         Move to sese.
3065         (block_before_scop): Add missing return.
3066         (new_scop, free_scop): Remove SESE data structures.
3067         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
3068         find_scop_parameters, build_loop_iteration_domains,
3069         add_conditions_to_domain, register_scop_liveout_renames,
3070         copy_bb_and_scalar_dependences): Scop -> SESE.
3071
3072         (add_conditions_to_domain): SCoP -> SESE and remove check
3073         (scop_contains_non_iv_scalar_phi_nodes): New.
3074         (build_scop_conditions_1, build_scop_conditions): Remove check for
3075         non iv scalar phi nodes.
3076         (print_scop_statistics): New.
3077         (graphite_transform_loops): Cleanup.
3078
3079         * graphite.h: Move to sese & cleanup.
3080         * sese.c: New.
3081         * sese.h: New.
3082
3083 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3084             Tobias Grosser  <grosser@fim.uni-passau.de>
3085
3086         * graphite.c (build_scop_conditions_1): Conditions are only
3087         at the end of a basic block.
3088
3089 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3090             Tobias Grosser  <grosser@fim.uni-passau>
3091
3092         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
3093         field.
3094         (GBB_ALPHA): Removed.
3095
3096 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3097             Tobias Grosser  <grosser@fim.uni-passau.de>
3098
3099         * graphite-data-ref.c (graphite_test_dependence): Don't use
3100         GBB_DYNAMIC_SCHEDULE.
3101         * graphite.c (new_graphite_bb): Same.
3102         (free_graphite_bb): Same.
3103         (build_scop_dynamic_schedules): Removed.
3104         (graphite_transform_loops): Don't call it.
3105         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
3106         (GBB_DYNAMIC_SCHEDULE): Removed.
3107
3108 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3109             Tobias Grosser  <grosser@fim.uni-passau.de>
3110
3111         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
3112         (print_graphite_bb): Same.
3113         (build_cloog_prog): Same.
3114
3115 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3116             Tobias Grosser  <grosser@fim.uni-passau.de>
3117
3118         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
3119
3120 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3121             Tobias Grosser  <grosser@fim.uni-passau.de>
3122
3123         * graphite.c (build_scop_context): Don't use CloogMatrix.
3124         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
3125         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
3126
3127 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3128             Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
3131         liveout_renames, add_params fields...
3132         (struct sese): ... here.
3133         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
3134         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
3135
3136 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3137             Tobias Grosser  <grosser@fim.uni-passau.de>
3138
3139         * graphite.c (print_scop): Do not print the CLooG program.
3140         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
3141         build_cloog_prog, gloog): Don't use SCOP_PROG.
3142         (find_transform): Renamed scop_to_clast.
3143         (print_generated_program, debug_generated_program): New.
3144         (graphite_transform_loops): Adapt to new interface.
3145         * graphite.h (struct scop): Remove program field.
3146         (SCOP_PROG): Removed.
3147         (print_generated_program, debug_generated_program): Declared.
3148
3149 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
3152         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
3153         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
3154         free_graphite_bb, build_scop_canonical_schedules,
3155         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
3156         schedules are now represented using a ppl_Linear_Expression_t.
3157         * graphite.h (struct graphite_bb): Same.
3158         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
3159         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
3160
3161 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3162
3163         * graphite.c: Free local memory.
3164         * graphite-ppl.c: Same.
3165
3166 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite.c (const_column_index, get_first_matching_sign_row_index,
3169         get_lower_bound_row, get_upper_bound_row, copy_constraint,
3170         swap_constraint_variables, scale_constraint_variable): Removed.
3171         (graphite_trans_bb_strip_mine): Remove pong.
3172         * graphite-ppl.c: Include missing header files.
3173         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
3174         * graphite-ppl.h (ppl_strip_loop): Declared.
3175         * Makefile.in (graphite-ppl.o): Adjust dependences.
3176
3177 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
3178
3179         * graphite.c (build_loop_iteration_domains): Remove ping pong.
3180         (build_scop_iteration_domain): Same.
3181
3182 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3185         ping pong.
3186         (add_value_to_dim, scan_tree_for_params_right_scev,
3187         scan_tree_for_params_int): New.
3188         * graphite-ppl.c (oppose_constraint): New.
3189         (insert_constraint_into_matrix): Implement missing cases.
3190         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3191
3192 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
3193
3194         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3195         use ppl_move_dimension.
3196
3197 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3198
3199         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
3200         * graphite.c: Same.
3201         * graphite.h: Same.
3202         * graphite-ppl.c: Same.
3203         * graphite-ppl.h: Same.
3204
3205 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
3206
3207         Revert last 3 commits.
3208
3209 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3210
3211         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
3212         ping pong.
3213         (add_value_to_dim, scan_tree_for_params_right_scev,
3214         scan_tree_for_params_int): New.
3215         * graphite-ppl.c (oppose_constraint): New.
3216         (insert_constraint_into_matrix): Implement missing cases.
3217         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
3218
3219 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3220
3221         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
3222
3223 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3224             Tobias Grosser  <grosser@fim.uni-passau.de>
3225
3226         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
3227         use ppl_move_dimension.
3228         * graphite-ppl.c (ppl_move_dimension): New.
3229         * graphite-ppl.h (ppl_move_dimension): Declared.
3230
3231 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite.c: Do not include cloog/cloog.h.
3234         (print_graphite_bb): Remove ping pong, call PPL print function.
3235
3236 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3237
3238         * Makefile.in (OBJS-common): Add graphite-ppl.o.
3239         (graphite.o): Add dependence on graphite-ppl.h.
3240         (graphite-ppl.o): New.
3241         (graphite-data-ref.c): Ping pong between PPL data structures
3242         and matrices.
3243         * graphite-ppl.c: New.
3244         * graphite-ppl.h: New.
3245         * graphite.c: Include graphite-ppl.h.
3246         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
3247         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
3248         Ping pong between PPL data structures and matrices.
3249         (new_graphite_bb): Create a PPL constraint system.
3250         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
3251         (build_loop_iteration_domains): Use PPL functions.
3252         * graphite.h: Include graphite-ppl.h.  Fix comments.
3253         (graphite_bb): Use a ppl_Constraint_System_t instead of
3254         CloogMatrix for representing the domain.
3255         (scop): Remove static_schedule.
3256         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
3257
3258 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
3259
3260         * graphite.c: Fix some comments.
3261
3262 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
3263
3264         PR middle-end/38953
3265         * graphite.c (if_region_set_false_region): After moving a region
3266         in the false branch of a condition, remove the empty dummy
3267         basic block.
3268         (gloog): Remove wrong fix for PR38953.
3269
3270 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3271
3272         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
3273         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
3274         register_bb_in_sese, new_sese, free_sese): Moved.
3275         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
3276         outermost_loop_in_scop, build_scop_iteration_domain,
3277         expand_scalar_variables_ssa_name, get_vdef_before_scop,
3278         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
3279         Use loop_in_sese_p instead of loop_in_scop_p.
3280         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
3281         (free_scop): Do not free SCOP_BBS_B.
3282         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
3283         ref_nb_loops): Moved here...
3284         * graphite.h (ref_nb_loops): ... from here.
3285         (struct scop): Remove bbs_b bitmap.
3286         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
3287         * testsuite/gcc.dg/graphite/scop-19.c: New
3288
3289 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3290
3291         * graphite.c (scopdet_basic_block_info): Fix bug in scop
3292         detection.
3293
3294 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3295
3296         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
3297         eq_loop_to_cloog_loop): Remove.
3298         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
3299         * graphite.h (struct scop): Remove loop2cloog_loop.
3300         (loop_domain_dim, loop_iteration_vector_dim): Remove.
3301
3302 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3303
3304         * opts.c (decode_options): Only add graphite options to O2
3305         if we compile with graphite enabled.
3306
3307 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3308
3309         * Merge from mainline (r143163:143684).
3310
3311 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         * graphite.c (debug_value): Removed.
3314         * graphite.h (debug_value): Removed.
3315
3316 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * passes.c (init_optimization_passes): Do not call pass_copy_prop
3319         after graphite: pass_copy_prop does not maintain a proper loop closed
3320         SSA form.  pass_copy_prop should be fixed.
3321
3322 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3323
3324         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
3325
3326 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
3327
3328         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
3329         (gloog): Split the exit of the scop when the scop exit is a loop exit.
3330         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
3331         changed the CFG.
3332
3333 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
3334
3335         * graphite.c (gloog): Return true when code gen succeeded.
3336         (graphite_transform_loops): Do not call cleanup_tree_cfg if
3337         the code of the function did not changed.  After cleanup_tree_cfg
3338         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
3339         form.
3340
3341 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
3344         gimple_call_lhs is NULL.
3345
3346 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3347             Tobias Grosser  <tobi.grosser@amd.com>
3348
3349         * graphite.c (graphite_trans_scop_block): Do not block single
3350         nested loops.
3351
3352 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3353             Tobias Grosser  <tobi.grosser@amd.com>
3354
3355         * graphite.c (build_scop_canonical_schedules): Start schedules at
3356         zero.
3357
3358 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3359             Tobias Grosser  <tobi.grosser@amd.com>
3360
3361         * graphite.c (compare_prefix_loops): New.
3362         (build_scop_canonical_schedules): Rewritten.
3363         (graphite_transform_loops): Move build_scop_canonical_schedules
3364         after build_scop_iteration_domain.
3365
3366 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3367             Tobias Grosser  <tobi.grosser@amd.com>
3368
3369         * graphite.c (add_conditions_to_domain): Add the loops to
3370         the dimension of the iteration domain.  Do copy the domain
3371         only when it exists.
3372         (build_scop_conditions_1): Do not call add_conditions_to_domain.
3373         (add_conditions_to_constraints): New.
3374         (can_generate_code_stmt, can_generate_code): Removed.
3375         (gloog): Do not call can_generate_code.
3376         (graphite_transform_loops): Call add_conditions_to_constraints
3377         after building the iteration domain.
3378
3379 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3380             Tobias Grosser  <tobi.grosser@amd.com>
3381             Jan Sjodin  <jan.sjodin@amd.com>
3382
3383         * graphite.c (scan_tree_for_params): On substractions negate
3384         all the coefficients of the term.
3385         (clast_to_gcc_expression_red): New.  Handle reduction expressions
3386         of more than two operands.
3387         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3388         (get_vdef_before_scop): Handle also the case of default definitions.
3389
3390 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         PR middle-end/38431
3393         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3394         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3395         (gloog): Do not call cleanup_tree_cfg.
3396         (graphite_transform_loops): Call cleanup_tree_cfg after all
3397         scops have been code generated.
3398
3399 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * passes.c (init_optimization_passes): Schedule after
3402         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
3403
3404 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
3405
3406         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
3407         Fix comment.
3408         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
3409         Set the type of an expression to the type of its assign statement.
3410         (expand_scalar_variables_expr):  Do not pass loop_p.
3411         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
3412         (copy_bb_and_scalar_dependences): Do not pass loop_p.
3413         (translate_clast): Update call to copy_bb_and_scalar_dependences.
3414
3415 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3416
3417         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
3418         an expression to the gimple_expr_type of its assign statement.
3419         (expand_scalar_variables_expr): Stop recursion on tcc_constant
3420         or tcc_declaration.
3421
3422 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         PR tree-optimization/38786
3425         * testsuite/gcc.dg/graphite/pr38786.c: New.
3426         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3427         the SSA_NAME case of expand_scalar_variables_expr.
3428         (expand_scalar_variables_expr): Also gather the scalar computation
3429         used to index the memory access.
3430         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3431         the gimple_stmt_iterator where it inserts new code.
3432
3433 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3434
3435         * testsuite/gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
3436
3437 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
3438
3439         * opts.c (decode_options): Enable flag_graphite_identity and
3440         flag_loop_block in -O2 and above.
3441
3442 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
3445         Fix merge problem: replace with the file from trunk.
3446
3447 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
3448
3449         * Merge from mainline (r141727:143163).
3450
3451 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
3452             Jan Sjodin  <jan.sjodin@amd.com>
3453
3454         PR tree-optimization/38559
3455         * testsuite/gcc.dg/graphite/pr38559.c: New.
3456
3457         * graphite.c (debug_value, copy_constraint,
3458         swap_constraint_variables, scale_constraint_variable, ): New.
3459         (get_lower_bound, get_upper_bound): Removed.
3460         (graphite_trans_bb_strip_mine): Clean up this code that works
3461         only for constant number of iterations.  Fully copy upper and
3462         lower bound constraints, not only the constant part of them.
3463         * graphite.h (debug_value): Declared.
3464
3465 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
3466
3467         PR tree-optimization/38492
3468         PR tree-optimization/38498
3469         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3470         * tree-chrec.h (scev_is_linear_expression): Declared.
3471         * graphite.c (graphite_cannot_represent_loop_niter): New.
3472         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3473         (graphite_loop_normal_form): Use gcc_assert.
3474         (scan_tree_for_params): Use CASE_CONVERT.
3475         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3476         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3477         Use gcc_assert.  Discard scops that contain unhandled cases.
3478         (build_scop_conditions): Return a boolean status for unhandled cases.
3479         (strip_mine_profitable_p): Print the loop number, not its depth.
3480         (is_interchange_valid): Pass the depth of the loop nest, don't
3481         recompute it wrongly.
3482         (graphite_trans_bb_block): Same.
3483         (graphite_trans_bb_block): Print tentative of loop blocking.
3484         (graphite_trans_scop_block): Do not print that the loop has been
3485         blocked.
3486         (graphite_transform_loops): Do not handle scops that contain condition
3487         scalar phi nodes.
3488
3489         * testsuite/gcc.dg/graphite/pr38500.c: Fixed warning as committed
3490         in trunk.
3491         * testsuite/gcc.dg/graphite/block-0.c: Update test.
3492         * testsuite/gcc.dg/graphite/block-1.c: Same.
3493         * testsuite/gcc.dg/graphite/block-2.c: Remove xfail and test for
3494         blocking.
3495         * testsuite/gcc.dg/graphite/block-4.c: Remove test for strip mine.
3496         * testsuite/gcc.dg/graphite/block-3.c: New.
3497         * testsuite/gcc.dg/graphite/pr38498.c: New.
3498
3499 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
3500
3501         PR tree-optimization/38510
3502         * gcc.dg/graphite/pr38510.c: New.
3503         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3504           (translate_clast): Call recompute_all_dominators before
3505           graphite_verify.
3506           (gloog): Call recompute_all_dominators before graphite_verify.
3507
3508 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
3509
3510         PR tree-optimization/38492
3511         * graphite.c (rename_map_elt, debug_rename_elt,
3512         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3513         rename_map_elt_info, eq_rename_map_elts,
3514         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3515         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3516         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3517         (sese_build_livein_liveouts): New.
3518         (new_sese, free_sese): New.
3519         (new_scop): Call new_sese.
3520         (free_scop): Call free_sese.
3521         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3522         (register_old_new_names): Renamed register_old_and_new_names.
3523         (register_scop_liveout_renames, add_loop_exit_phis,
3524         insert_loop_close_phis, struct igp,
3525         default_liveout_before_guard, add_guard_exit_phis,
3526         insert_guard_phis, copy_renames): New.
3527         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3528         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3529         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3530         (scop_adjust_phis_for_liveouts): New.
3531         (gloog): Call scop_adjust_phis_for_liveouts.
3532
3533         * graphite.h (struct sese): Documented.  Added fields liveout,
3534         num_ver and livein.
3535         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3536         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3537         (struct scop): Added field liveout_renames.
3538         (SCOP_LIVEOUT_RENAMES): New.
3539
3540 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3541
3542         PR tree-optimization/38409
3543         * gcc.dg/graphite/pr38409.c: New.
3544         * graphite.c (nb_reductions_in_loop): Use simple_iv.
3545
3546 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * graphite.c (gcc_type_for_cloog_iv): By default return
3549         integer_type_node.
3550         (graphite_create_new_loop): Don't fold_convert the already
3551         fold_convert-ed expression.
3552
3553 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
3554
3555         PR tree-optimization/38446
3556         * gcc.dg/graphite/pr38446.c: New.
3557         * graphite.c (register_bb_in_sese): New.
3558         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
3559         looking at the bbs in the region.
3560         * graphite.h (sese): Add region_basic_blocks pointer set to
3561         structure and initialize at the time of defining new scop.
3562
3563 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3564
3565         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
3566         (find_params_in_bb): Do not free data refs.
3567         (free_graphite_bb): Add FIXME on disabled free_data_refs.
3568
3569 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
3570
3571         * testsuite/gcc.dg/graphite/scop-16.c: Test only scop specific info.
3572         * testsuite/gcc.dg/graphite/scop-17.c: Same.
3573         * testsuite/gcc.dg/graphite/block-5.c: New.
3574         * testsuite/gcc.dg/graphite/block-6.c: New.
3575         * testsuite/gcc.dg/graphite/pr37485.c: Clean dump file after.
3576         * testsuite/gcc.dg/graphite/pr37684.c: Same.
3577         * testsuite/gcc.dg/graphite/block-2.c: Same.
3578
3579         * graphite.c (struct ivtype_map_elt): New.
3580         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
3581         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
3582         gcc_type_for_cloog_iv): New.
3583         (loop_iv_stack_patch_for_consts): Use the type of the induction
3584         variable from the original loop, except for the automatically
3585         generated loops, i.e., in the case of a strip-mined loop, in
3586         which case there is no original loop: in that case just use
3587         integer_type_node.
3588         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
3589         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
3590         (clast_name_to_gcc): Accept params to be NULL.
3591         (clast_to_gcc_expression): Take an extra parameter for the type.
3592         Convert to that type all the expressions built by this function.
3593         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
3594         (graphite_translate_clast_equation): Compute the type of the
3595         clast_equation before translating its LHS and RHS.
3596         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
3597         (graphite_create_new_loop): Compute the type of the induction
3598         variable before translating the lower and upper bounds and before
3599         creating the induction variable.
3600         (rename_variables_from_edge, rename_phis_end_scop): New.
3601         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
3602         (sese_add_exit_phis_edge): Do not use integer_zero_node.
3603         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
3604         compute_cloog_iv_types): New.
3605         (gloog): Call compute_cloog_iv_types before starting the
3606         translation of the clast.
3607
3608         * graphite.h (struct graphite_bb): New field cloog_iv_types.
3609         (GBB_CLOOG_IV_TYPES): New.
3610         (debug_ivtype_map): Declared.
3611         (oldiv_for_loop): New.
3612
3613 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3614
3615         PR middle-end/38459
3616         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
3617         (param_index): Assert if parameter is not know after parameter
3618         detection.
3619         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
3620         (find_scop_parameters): Mark, that we have finished parameter
3621         detection.
3622         (graphite_transform_loops): Move condition detection before parameter
3623         detection.
3624         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
3625         * testsuite/gfortran.dg/graphite/pr38459.f90: New.
3626
3627 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3628
3629         * graphite.c (graphite_transform_loops): Always call find_transform ()
3630         in ENABLE_CHECKING.  So we test these code paths, even if we do not
3631         generate code.
3632
3633 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3634
3635         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
3636         (print_scop): Ditto.
3637
3638 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3639
3640         PR middle-end/38084
3641         Fix testsuite/gfortran.dg/graphite/id-3.f90.
3642         * graphite.c (scopdet_basic_block_info): Fix bug that found some
3643         regions more than once.
3644
3645 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3646
3647         Fix testsuite/gfortran.dg/graphite/id-4.f90.
3648         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
3649         when not needed.
3650
3651 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3652
3653         Fix testsuite/gfortran.dg/graphite/id-1.f90.
3654         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
3655         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
3656         (max_precision_type): New.
3657         (value_clast): Removed.
3658         (clast_to_gcc_expression): Be more careful to types of expressions.
3659         Use max_precision_type and update use of gmp_cst_to_tree.
3660         (graphite_translate_clast_equation): Use max_precision_type.
3661         (graphite_create_guard_cond_expr): Do not use integer_type_node,
3662         use the type of the condition.
3663         (graphite_create_new_loop): Do not use integer_type_node, use the
3664         max_precision_type of lb and ub.
3665
3666 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
3667
3668         * graphite.c (build_scops_1): Initialize open_scop.exit
3669         and sinfo.last.
3670
3671 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3672
3673         * testsuite/gcc.dg/graphite/pr38084.c: New.
3674         * testsuite/gfortran.dg/graphite/id-1.f90: New.
3675         * testsuite/gfortran.dg/graphite/id-2.f90: New.
3676         * testsuite/gfortran.dg/graphite/id-3.f90: New.
3677         * testsuite/gfortran.dg/graphite/id-4.f90: New.
3678         * testsuite/gfortran.dg/graphite/pr37857.f90: New.
3679
3680 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
3681             Jan Sjodin  <jan.sjodin@amd.com>
3682             Harsha Jagasia  <harsha.jagasia@amd.com>
3683
3684         PR middle-end/37852
3685         PR middle-end/37883
3686         PR middle-end/37928
3687         PR middle-end/37980
3688         PR middle-end/38038
3689         PR middle-end/38039
3690         PR middle-end/38073
3691         PR middle-end/38083
3692         PR middle-end/38125
3693
3694         * testsuite/gcc.dg/graphite/pr38073.c: New.
3695         * testsuite/gcc.dg/graphite/pr37928.c: New.
3696         * testsuite/gcc.dg/graphite/pr37883.c: New.
3697         * testsuite/gcc.dg/graphite/pr38125.c: New.
3698         * testsuite/gfortran.dg/graphite/pr38083.f90: New.
3699         * testsuite/gfortran.dg/graphite/pr37852.f90: New.
3700         * testsuite/gfortran.dg/graphite/pr37980.f90: New.
3701
3702         * testsuite/gcc.dg/graphite/scop-18.c: Remove reduction, test for
3703         the number of detected scops.  Copy exact same test for loop
3704         blocking...
3705         * testsuite/gcc.dg/graphite/block-1.c: Fix the number of expected
3706         loops to be blocked as reductions are not handled.
3707         * testsuite/gcc.dg/graphite/block-4.c: ...here.  New.
3708
3709         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
3710         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
3711         ...here.
3712         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
3713         * Makefile.in (graphite.o): Depend on value-prof.h.
3714         (graphite.o-warn): Removed -Wno-error.
3715         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
3716         to be a NULL pointer.  Call update_stmt.  Return the newly created
3717         cannonical induction variable.
3718
3719         * graphite.h (debug_rename_map): Declared.  Fix some comments.
3720
3721         * graphite.c: Reimplement the code generation from graphite to gimple.
3722         Include value-prof.h.
3723         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
3724         (get_old_iv_from_ssa_name): Removed.
3725         (graphite_stmt_p): New.
3726         (new_graphite_bb): Test for useful statements before building a
3727         graphite statement for the basic block.
3728         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
3729         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
3730         reason.
3731         (recompute_all_dominators, graphite_verify,
3732         nb_reductions_in_loop, graphite_loop_normal_form): New.
3733         (scop_record_loop): Call graphite_loop_normal_form.
3734         (build_scop_loop_nests): Iterate over all the blocks of the
3735         function instead of relying on the incomplete information from
3736         SCOP_BBS.  Return the success of the operation.
3737         (find_params_in_bb): Use the data from GBB_DATA_REFS.
3738         (add_bb_domains): Removed.
3739         (build_loop_iteration_domains): Don't call add_bb_domains.
3740         Add the iteration domain only to the basic blocks that have been
3741         translated to graphite.
3742         (build_scop_conditions_1): Add constraints only if the basic
3743         block have been translated to graphite.
3744         (build_scop_data_accesses): Completely disabled until data
3745         dependence is correctly implemented.
3746         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
3747         (remove_all_edges_1, remove_all_edges): Removed.
3748         (get_new_name_from_old_name): New.
3749         (graphite_rename_variables_in_stmt): Renamed
3750         rename_variables_in_stmt.  Call get_new_name_from_old_name.
3751         Use replace_exp and update_stmt.
3752         (is_old_iv): Renamed is_iv.
3753         (expand_scalar_variables_stmt): Extra parameter for renaming map.
3754         Use replace_exp and update_stmt.
3755         (expand_scalar_variables_expr): Same.  Use the map to get the
3756         new names for the renaming of induction variables and for the
3757         renaming of variables after a basic block has been copied.
3758         (expand_scalar_variables): Same.
3759         (graphite_rename_variables): Renamed rename_variables.
3760         (move_phi_nodes): Removed.
3761         (get_false_edge_from_guard_bb): New.
3762         (build_iv_mapping): Do not insert the induction variable of a
3763         loop in the renaming iv map if the basic block does not belong
3764         to that loop.
3765         (register_old_new_names, graphite_copy_stmts_from_block,
3766         copy_bb_and_scalar_dependences): New.
3767         (translate_clast): Heavily reimplemented: copy basic blocks,
3768         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
3769         At each translation step call graphite_verify ensuring the
3770         consistency of the SSA, loops and dominators information.
3771         (collect_virtual_phis, find_vdef_for_var_in_bb,
3772         find_vdef_for_var_1, find_vdef_for_var,
3773         patch_phis_for_virtual_defs): Removed huge hack.
3774         (mark_old_loops, remove_dead_loops, skip_phi_defs,
3775         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
3776         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
3777         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
3778         if_region_get_condition_block, if_region_set_false_region,
3779         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
3780         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
3781         sese_add_exit_phis_edge, sese_add_exit_phis_var,
3782         rewrite_into_sese_closed_ssa): New.
3783         (gloog): Remove dead code.  Early return if code cannot be
3784         generated.  Call cleanup_tree_cfg once the scop has been code
3785         generated.
3786         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
3787         block loops with less than two loops.
3788         (graphite_apply_transformations): Remove the call to
3789         scop_remove_ignoreable_gbbs.
3790         (limit_scops): When build_scop_loop_nests fails, continue on
3791         the next scop.  Fix open_scop.entry.
3792         (graphite_transform_loops): Call recompute_all_dominators: force the
3793         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
3794         Call initialize_original_copy_tables and free_original_copy_tables
3795         to be able to copy basic blocks during code generation.
3796         When build_scop_loop_nests fails, continue on next scop.
3797         (value_clast): New union.
3798         (clast_to_gcc_expression): Fix type cast warning.
3799
3800 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
3801
3802         * Merge from mainline (r140838:141727).
3803
3804 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3805
3806         PR middle-end/37833
3807
3808         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
3809
3810 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3811
3812         PR middle-end/37943
3813
3814         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
3815         exits and conditions.
3816         * testsuite/gcc.dg/graphite/pr37943.c: New.
3817
3818 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3819
3820         PR middle-end/37886
3821         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
3822
3823 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
3824
3825         * doc/invoke.texi: Fix spaces.
3826
3827 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
3828
3829         PR tree-optimization/37891
3830         Reverted last commit.
3831         * graphite.c (create_single_entry_edge): Set
3832         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3833
3834 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3835             Mitul Thakkar  <mitul.thakkar@amd.com>
3836
3837         * graphite.c (create_single_entry_edge): Set
3838         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
3839
3840 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
3841
3842         * doc/invoke.texi: Add -fgraphite-identity.
3843         * graphite.c (graphite_apply_transformations): Check for
3844         -fgraphite-identity.
3845         * toplev.c (process_options): Add flag_graphite_identity.
3846         * tree-ssa-loop.c: Add flag_graphite_identity.
3847
3848 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         Undo changes from 2008-10-02:
3851         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3852         operand type when copying the operand to a variable of different type.
3853         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3854         with the IV name after increment.
3855
3856 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
3857             Harsha Jagasia  <harsha.jagasia@amd.com>
3858
3859         PR tree-optimization/37828
3860         * testsuite/gcc.dg/graphite/pr37828.c: New.
3861         * graphite.c (graphite_trans_loop_block): Do not loop block
3862         single nested loops.
3863
3864 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
3865             Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * graphite.c (struct rename_map_elt, new_rename_map_elt,
3868         rename_map_elt_info, eq_rename_map_elts): New.
3869         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
3870         (expand_scalar_variables_expr): Change parameters.
3871         (expand_scalar_variables_stmt): Same.
3872         (expand_scalar_variables): Same.
3873         (graphite_rename_ivs): Rename graphite_rename_variables.
3874         (build_iv_mapping): New.
3875         (translate_clast): Call build_iv_mapping.
3876         * graphite.h (gbb_p): New name.
3877
3878 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
3879
3880         PR tree-optimization/37684
3881         * gcc.dg/graphite/pr37684.c: New.
3882         * graphite.c (exclude_component_ref): New.
3883         (is_simple_operand): Call exclude_component_ref.
3884
3885 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
3886             Harsha Jagasia  <harsha.jagasia@amd.com>
3887
3888         PR tree-optimization/37485
3889         * gcc.dg/graphite/block-2.c: New
3890         * graphite.c (gmp_cst_to_tree): Moved.
3891         (iv_stack_entry_is_constant): New.
3892         (iv_stack_entry_is_iv): New.
3893         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
3894         (loop_iv_stack_insert_constant): New.
3895         (loop_iv_stack_pop): Use new datatpype.
3896         (loop_iv_stack_get_iv): Same.
3897         (loop_iv_stack_get_iv_from_name): Same.
3898         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
3899         (loop_iv_stack_patch_for_consts): New.
3900         (loop_iv_stack_remove_constants): New.
3901         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
3902         (translate_clast): Call loop_iv_stack_patch_for_consts and
3903         loop_iv_stack_remove_constants.
3904         (gloog): Use new datatype.  Redirect construction edge to end
3905         block to avoid accidental deletion.
3906         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
3907         iv stack entry.
3908         (union iv_stack_entry_data): New.  Data in iv stack entry.
3909         (struct iv_stack_entry): New.  Datatype for iv stack entries.
3910
3911 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3912
3913         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
3914         operand type when copying the operand to a variable of different type.
3915
3916 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3917
3918         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
3919         with the IV name after increment.
3920
3921 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
3922
3923         * Merge from mainline (r140164:140838).
3924
3925 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
3926
3927         * graphite-data-ref.c: New.
3928         * graphite.c (print_scop): Also dump the dependence graph.
3929         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
3930         (new_scop): Initialize SCOP_DEP_GRAPH.
3931         (build_scop_dynamic_schedules): New.
3932         (build_access_matrix_with_af): Fixed column numbering.
3933         (graphite_transform_loops): Call build_scop_dynamic_schedules.
3934         * graphite.h: Add ifndef/define guards against multiple inclusion.
3935         (struct scop): Add dep_graph field.
3936         (SCOP_DEP_GRAPH): Defined.
3937         (ref_nb_loops): Fixed and moved to other position.
3938         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
3939         (nb_loops_around_loop_in_scop): New.
3940         (graphite_dump_dependence_graph): Declared.
3941         (graphite_build_rdg_all_levels): Declared.
3942         (graphite_test_dependence): Declared.
3943         * Makefile.in (graphite-data-ref.o): New target.
3944
3945 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * Merge from mainline (139870:140164).
3948
3949 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3950
3951         * Merge from mainline (138275:139870).
3952         * testsuite/gcc.dg/graphite/scop-matmult.c: XFailed as one of
3953         the commits from trunk broke the niter detection.
3954
3955 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         * graphite.c: Add more documentation.  Fix formatting.
3958         (debug_loop_vec, debug_oldivs, loop_iv_stack,
3959         loop_iv_stack_debug): Moved...
3960         (schedule_to_scattering): Move before use.
3961         (dot_all_scops): Include in "#if 0" the code for system
3962         call dotty.
3963
3964         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
3965         loop_iv_stack_debug): ...here.
3966
3967 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
3968
3969         * tree-phinodes.c (make_phi_node): Extern.
3970         (add_phi_node_to_bb): New.
3971         (create_phi_node): Call add_phi_node_to_bb.
3972         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
3973         (remove_statement): Handle case where stored phi was updated
3974         and is no longer the same.
3975         * graphite.c (is_parameter): New.
3976         (is_old_iv): New.
3977         (expand_scalar_variables_expr): New.
3978         (expand_scalar_variables_stmt): New.
3979         (expand_scalar_variables): New.
3980         (move_phi_nodes): Create new phi instead of moving old one.
3981         (translate_clast): Call expand_scalar_variables.
3982         (find_vdef_for_var_in_bb): Also scan regular definitions.
3983         (skip_phi_defs): New.
3984         (collect_scop_exit_phi_args): New.
3985         (patch_scop_exit_phi_args): New.
3986         (gloog): Patch phis after scop.
3987         * tree-flow.h: (add_phi_node_to_bb): Declared.
3988         (make_phi_node): Declared.
3989
3990 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3991
3992         * graphite.c (end_scop): Split the entry of the scop when it
3993         is the header of the loop in which the scop is ending.
3994         (build_scops_1, limit_scops): Update uses of end_scop.
3995
3996 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
3997
3998         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
3999         SCOP_ENTRY or SCOP_EXIT.
4000
4001 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4002
4003         * graphite.c (get_construction_edge): Removed.
4004         (gloog): Construction edge is the scop entry edge.
4005
4006 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4007
4008         * graphite.c (can_generate_for_scop): Removed.
4009         (gloog): Do not call it.
4010
4011 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4012
4013         * graphite.c (new_scop): Entry of a scop is an edge.
4014         Initialize SESE region.
4015         (free_scop): Free SESE region.
4016         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
4017         (split_difficult_bb): New, split from end_scop.
4018         (end_scop): Exit of a scop is an edge.
4019         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
4020         not automatically updated and thus is always wrong.
4021         * graphite.h (struct sese): New.
4022         (SESE_ENTRY): New.
4023         (SESE_EXIT): New.
4024         (struct scop): New field for a SESE region.  Remove entry, exit.
4025         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
4026         semantics as before.  Moved comment around.
4027
4028 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4029             Sebastian Pop  <sebastian.pop@amd.com>
4030
4031         * graphite.c (graphite_transform_loops): Always enable gloog
4032         and find_transform when ENABLE_CHECKING.
4033
4034 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4035
4036         * graphite.c (graphite_transform_loops): Move pretty printer
4037         of SCOPs before doing any transform.  Remove call to print_scops
4038         and dot_all_scops_1.
4039
4040 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4041
4042         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
4043         (print_graphite_bb): Same.
4044
4045 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4046
4047         * graphite.c (dot_all_scops_1): Cleanup.
4048         (move_scops): Fix comment.
4049
4050 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
4051
4052         * graphite.c (build_scop_bbs): Revert commit 139355:
4053
4054         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4055                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4056
4057                 * graphite.c (build_scop_bbs): Factor up code.
4058
4059 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4060
4061         * graphite.c (gloog): Update dominator info.
4062
4063 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4064
4065         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
4066
4067 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4068
4069         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
4070         initialization.
4071         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
4072         (translate_clast): Correct formatting.
4073         * graphite.h (struct num_map): Removed.
4074         (struct graphite_bb): Remove num_map field.
4075         (GBB_INDEX_TO_NUM_MAP): Removed.
4076
4077 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4078
4079         * graphite.c (build_access_matrix_with_af): Fix comments.
4080         (build_scop_data_accesses): Same.
4081
4082 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * graphite.c (build_scop_data_accesses): Don't construct
4085         access matrices.  Add a FIXME and an assert condition that
4086         should pass when the access matrices will be needed.
4087
4088 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4089
4090         * tree-data-ref.c (stmt_simple_memref_p): Don't call
4091         really_constant_p.
4092         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
4093         Moved close by free_graphite_bb.
4094         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
4095         (new_scop): Move close by free_scop.
4096         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
4097
4098 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
4099
4100         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
4101         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
4102         instead of recursive call.
4103         (graphite_translate_clast_equation): New.
4104         (graphite_create_guard_cond_expr): New.
4105         (graphite_create_new_guard): New.
4106         (get_stack_index_from_iv): Removed.
4107         (graphite_rename_ivs_stmt): Use gbb_loop_index.
4108         (get_true_edge_from_guard_bb): New.
4109         (translate_clast): Handle stmt_guard in clast.
4110         (get_construction_edge): Allow construction edge detection for
4111         a scope entry with multiple predecessors if one predecessor is
4112         the immediate dominator of scope entry.
4113         (can_generate_code_stmt): Enable code generation for clast_guard.
4114         (gloog): Use correct context loop.  Removed check for post dominators.
4115         * cfgloop.h (create_empty_if_region_on_edge): Declared.
4116
4117 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4118
4119         * graphite.c (remove_dead_loops): Document better which
4120         loops are removed.
4121
4122 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4123
4124         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
4125         and PPLINC.
4126         (graphite.o): Also depends on pointer-set.h.
4127
4128 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4129
4130         * graphite.c (scop_record_loop): Fix compile warning.
4131
4132 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
4133             Sebastian Pop  <sebastian.pop@amd.com>
4134
4135         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
4136
4137 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
4138
4139         * graphite.c (build_graphite_bb): Initialize bb->aux to
4140         point to the graphite_bb_p.
4141         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
4142         content of bb->aux.
4143         (add_bb_domains): Does not use the scop parameter.
4144         (graphite_transform_loops): Clean bb->aux at the end.
4145
4146 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4147             Sebastian Pop  <sebastian.pop@amd.com>
4148
4149         * testsuite/lib/target-supports.exp
4150         (check_effective_target_fgraphite): New.
4151
4152         * testsuite/gcc.dg/graphite/graphite.exp: Early exit when
4153         check_effective_target_fgraphite returns false.
4154         Set dg-do-what-default to compile.
4155         (scan-graphite-dump-times): Removed.
4156         * testsuite/gfortran.dg/graphite/graphite.exp: Same.
4157
4158         * testsuite/gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
4159         Use scan-tree-dump-times instead of scan-graphite-dump-times.
4160         * testsuite/gcc.dg/graphite/scop-1.c: Same.
4161         * testsuite/gcc.dg/graphite/scop-2.c: Same.
4162         * testsuite/gcc.dg/graphite/scop-3.c: Same.
4163         * testsuite/gcc.dg/graphite/scop-4.c: Same.
4164         * testsuite/gcc.dg/graphite/scop-5.c: Same.
4165         * testsuite/gcc.dg/graphite/scop-6.c: Same.
4166         * testsuite/gcc.dg/graphite/scop-7.c: Same.
4167         * testsuite/gcc.dg/graphite/scop-8.c: Same.
4168         * testsuite/gcc.dg/graphite/scop-9.c: Same.
4169         * testsuite/gcc.dg/graphite/scop-10.c: Same.
4170         * testsuite/gcc.dg/graphite/scop-11.c: Same.
4171         * testsuite/gcc.dg/graphite/scop-12.c: Same.
4172         * testsuite/gcc.dg/graphite/scop-13.c: Same.
4173         * testsuite/gcc.dg/graphite/scop-matmult.c: Same.
4174         * testsuite/gcc.dg/graphite/scop-14.c: Same.
4175         * testsuite/gcc.dg/graphite/scop-15.c: Same.
4176         * testsuite/gcc.dg/graphite/block-0.c: Same.
4177         * testsuite/gcc.dg/graphite/scop-16.c: Same.
4178         * testsuite/gcc.dg/graphite/block-1.c: Same.
4179         * testsuite/gcc.dg/graphite/scop-17.c: Same.
4180         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4181         * testsuite/gfortran.dg/graphite/block-1.f90: Same.
4182         * testsuite/gfortran.dg/graphite/scop-1.f: Same.
4183         * testsuite/gfortran.dg/graphite/block-2.f: Same.
4184
4185 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4186
4187         * graphite.c: Fix some XXX comments.
4188         (build_scop_dynamic_schedules): Removed.
4189
4190 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4191
4192         * graphite.h (scop_max_loop_depth): Moved...
4193         * graphite.c (scop_max_loop_depth): ...here.
4194         (remove_all_edges_1): New.
4195         (remove_all_edges): Factored code.
4196         (remove_cond_exprs): Check only the last statement for
4197         a GIMPLE_COND expression.
4198
4199 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4200
4201         * graphite.c (scan_tree_for_params): Early return when the
4202         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
4203         (find_scop_parameters): Factor out code.
4204         (graphite_trans_bb_strip_mine): Remove dead code.
4205
4206 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4207
4208         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
4209         graphite_trans_bb_move_loop): Factor asserts.
4210         (gloog): Perform sanity checks only for ENABLE_CHECKING.
4211         Do not call calculate_dominance_info and estimate_bb_frequencies.
4212
4213 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
4214
4215         * graphite.c (create_loops_mapping, free_loops_mapping,
4216         create_loops_mapping_num, debug_loop_mapping_1,
4217         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
4218         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
4219         graphite_loops_mapping_add_child_num,
4220         graphite_loops_mapping_insert_child,
4221         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
4222         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
4223         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
4224         create_num_from_index, get_num_from_index,
4225         swap_loop_mapped_depth): Removed.
4226         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
4227         (free_scop): Do not call free_loops_mapping.
4228         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
4229         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
4230         get_loop_mapped_depth.
4231         (graphite_trans_bb_move_loop): Do not update the loop mapping.
4232         (graphite_trans_bb_strip_mine): Same.
4233         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
4234         (struct scop): Remove field loops_mapping.
4235
4236 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4237             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4238
4239         * graphite.c (scop_record_loop): Factor out one level of the
4240         condition by early return.
4241         (build_scop_loop_nests): Format following FSF coding style.
4242         (build_scop_dynamic_schedules): Factor out code.
4243         (scopdet_bb_info): Reindent.  Default case should not be reachable.
4244
4245 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4246             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4247
4248         * graphite.c (loop_affine_expr): Check for DECL_P or struct
4249         assignments that are not handled as simple operands for now.
4250
4251 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4252             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4253
4254         * graphite.c (build_scop_bbs): Factor up code.
4255
4256 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4257             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4258
4259         * graphite.c (stmt_simple_for_scop_p): Factor code out
4260         of the loop.
4261         (enum gbb_type): New.  Group all the GBB_* types under it.
4262         (is_loop_exit): Moved...
4263         (end_scop): Enable BB spliting.
4264         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
4265         * cfgloop.h (is_loop_exit): Declared.
4266
4267 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4268
4269         * doc/invoke.texi: Remove strides from examples containing
4270         DO loops when the strides are equal to 1.
4271
4272 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
4273             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4274
4275         * graphite.c (graphite_trans_scop_block): Or the result with
4276         the result from graphite_trans_loop_block.
4277         * testsuite/gcc.dg/graphite/block-1.c: New.
4278         * testsuite/gfortran.dg/graphite/block-1.f90: New.
4279         * testsuite/gfortran.dg/graphite/block-2.f: New.
4280
4281 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4282
4283         * graphite.c (graphite_transform_loops): Call cloog_initialize
4284         and cloog_finalize.
4285
4286 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4287
4288         * tree-data-ref.c) (stmt_simple_memref_p): New.
4289         * tree-data-ref.h (stmt_simple_memref_p): Declared.
4290         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
4291         (is_simple_operand): Call stmt_simple_memref_p.
4292
4293         * testsuite/gcc.dg/graphite/scop-matmult.c: Updated for not
4294         using pointer arithmetic, as this is optimized by PRE and
4295         makes the code too difficult to analyze.
4296
4297         * testsuite/gcc.dg/graphite/scop-18.c: Same.
4298
4299 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
4300
4301         * gdbinit.in (pgg): New.
4302
4303 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4304
4305         * graphite.c (graphite_trans_loop_block): Fix warning.
4306
4307 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4308
4309         * graphite.c (graphite_trans_loop_block): Fix my merge error.
4310
4311 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4312
4313         * graphite.c (graphite_trans_bb_block): Remove check for
4314         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
4315         Check if loop blocking is profitable for every loop, before applying
4316         the changes.
4317         (graphite_apply_transformations): Call graphite_trans_bb_block only,
4318         if flag_loop_block is set.
4319
4320 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4321
4322         * graphite.c: Add some more documentation for the loop
4323         mapping.
4324
4325 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4326
4327         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
4328         * graphite.c: Format on less than 80 columns.
4329         * graphite.h: Same.
4330
4331 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4332
4333         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
4334
4335 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
4336
4337         * doc/invoke.texi (floop-block, floop-strip-mine,
4338         floop-interchange): Update documentation with examples.
4339
4340 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4341
4342         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
4343         add_referenced_var.
4344         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
4345
4346 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
4347
4348         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
4349         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
4350         * tree-scalar-evolution.c: Revert useless changes.
4351         * tree-phinodes.c: Same.
4352         * cfghooks.c: Same.
4353         * vec.h: Same.
4354         * tree-vectorizer.h: Same.
4355         * tree-flow.h: Same.
4356         * tree-cfg.c: Same.
4357         * common.opt (fgraphite): Update documentation.
4358
4359 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
4360
4361         * doc/invoke.texi (-floop-block, -floop-strip-mine,
4362         -floop-interchange): Add more text for explaining what each of these
4363         flags is doing.
4364         * tree-into-ssa.c (gimple_vec): Moved to...
4365         * graphite.c: Include gimple.h.
4366         (gimple_vec): Moved to...
4367         (del_loop_to_cloog_loop): Removed.
4368         (loop_affine_expr): Do not call create_data_ref when the
4369         operand is a constant.
4370         (new_scop): Use free instead of del_loop_to_cloog_loop.
4371         * Makefile.in (graphite.o): Depend on GIMPLE_H.
4372         * gimple.h (gimple_vec): ... here.
4373
4374 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4375
4376         * graphite.c (scopdet_bb_info): Only allow loops with known number of
4377         latch executions.
4378         (build_loop_iteration_domains): Fail, if latch executions unknown.
4379
4380 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4381
4382         * graphite.c (add_conditions_to_domain): New.
4383         (build_scop_conditions_1): Call add_conditions_to_domain.
4384         (set_cloog_options): Allow to disable optimizations.
4385
4386 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4387
4388         * graphite.c (find_params_in_bb): Look for parameters in conditions.
4389         Do not use walk_dominator_tree.
4390         (find_scop_parameters): Do not use walk_dominator_tree.
4391
4392 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4393
4394         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
4395         (idx_record_params): Adapt.
4396         * graphite.h (scop_gimple_loop_depth): New.
4397
4398 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4399
4400         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
4401         (scan_tree_for_params): Remove value_init.
4402         (build_scop_context): Remove value_init.
4403         (build_loop_iteration_domains): Remove value_init.
4404         (schedule_to_scattering): Remove value_init.
4405         (graphite_trans_bb_strip_mine): Remove value_init.
4406
4407 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4408
4409         * gcc/graphite.c (limit_scops): New.
4410         (graphite_transform_loops): Add limit SCoPs.
4411         * gcc/testsuite/gcc.dg/graphite/scop-0.c: Update number of SCoPs.
4412         * gcc/testsuite/gcc.dg/graphite/scop-1.c: Update number of SCoPs.
4413         * gcc/testsuite/gcc.dg/graphite/scop-10.c: Update number of SCoPs.
4414         * gcc/testsuite/gcc.dg/graphite/scop-11.c: Update number of SCoPs.
4415         * gcc/testsuite/gcc.dg/graphite/scop-12.c: Update number of SCoPs.
4416         * gcc/testsuite/gcc.dg/graphite/scop-13.c: Update number of SCoPs.
4417         * gcc/testsuite/gcc.dg/graphite/scop-14.c: Update number of SCoPs.
4418         * gcc/testsuite/gcc.dg/graphite/scop-15.c: Update number of SCoPs.
4419         * gcc/testsuite/gcc.dg/graphite/scop-16.c: Update number of SCoPs.
4420         Change loop numbers.
4421         * gcc/testsuite/gcc.dg/graphite/scop-17.c: Update number of SCoPs.
4422         Change loop numbers.
4423         * gcc/testsuite/gcc.dg/graphite/scop-18.c: Update number of SCoPs.
4424         * gcc/testsuite/gcc.dg/graphite/scop-2.c: Update number of SCoPs.
4425         * gcc/testsuite/gcc.dg/graphite/scop-3.c: Update number of SCoPs.
4426         * gcc/testsuite/gcc.dg/graphite/scop-4.c: Update number of SCoPs.
4427         * gcc/testsuite/gcc.dg/graphite/scop-5.c: Update number of SCoPs.
4428         * gcc/testsuite/gcc.dg/graphite/scop-6.c: Update number of SCoPs.
4429         * gcc/testsuite/gcc.dg/graphite/scop-7.c: Update number of SCoPs.
4430         * gcc/testsuite/gcc.dg/graphite/scop-8.c: Update number of SCoPs.
4431         * gcc/testsuite/gcc.dg/graphite/scop-9.c: Update number of SCoPs.
4432         * gcc/testsuite/gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
4433
4434 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4435
4436         * graphite.c (graphite_transform_loops): Call always find_transform.
4437
4438 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4439
4440         * graphite.c (free_loops_mapping): New.
4441         (stmt_simple_for_scop_p): Fix typo.
4442         (stmt_simple_for_scop_p): Fix tuples functions, that
4443         broke polyhedron.
4444         (free_graphite_bb): Fix some memleaks.
4445         (free_scop): Fix some memleaks.
4446         (scopdet_bb_info): Do not forget some tmp SCoPs.
4447         (find_params_in_bb): Fix some memleaks.
4448         (clast_to_gcc_expression): Fix warning.
4449
4450 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4451
4452         * testsuite/gcc.dg/graphite/scop-16.c: Fix for 32bit.
4453         * testsuite/gcc.dg/graphite/scop-17.c: Fix for 32bit.
4454
4455 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4456
4457         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
4458         Move code ifdef-ed HAVE_cloog...
4459         * graphite.c: Include toplev.h.
4460         ... here.
4461         * Makefile.in (OBJS-common): Always build graphite.o.
4462         (BACKEND): Remove @GRAPHITE@.
4463         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
4464         (graphite.o): Depend on TOPLEV_H.
4465
4466 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
4469         Remove typo left from polylib to ppl conversion.
4470         * graphite.c (graphite_transforms): Use sorry instead of fatal.
4471
4472 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4473
4474         * toplev.c (process_options): Move the graphite loop optimization
4475         flags...
4476         * tree-ssa-loop.c (graphite_transforms): ... here.
4477         When not configured with CLooG, print to dump_file that
4478         Graphite transforms were not performed.
4479         * testsuite/gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
4480         New.
4481         * testsuite/gcc.dg/graphite/*.c: Updated all testcases to use
4482         scan-graphite-dump-times.
4483
4484 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
4485
4486         * graphite.c (dot_scop, dot_all_scops): Do not call system.
4487         Do not open /tmp/scop.dot and /tmp/allscops.dot.
4488
4489 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
4490             Jan Sjodin  <jan.sjodin@amd.com>
4491
4492         * configure: Regenerated.
4493         * omp-low.c (expand_omp_sections): Remove now unused code.
4494         * config.in (HAVE_polylib): Removed.
4495         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
4496         (PPLLIBS, PPLINC): Added.
4497         * graphite.c: Replace unsigned with int wherever possible.
4498         Don't access Cloog's data structures, but use accessor functions.
4499         Clast's stmt->type is now implemented as a vtable: change the
4500         switches of stmt->type into ifs.
4501         (polylib/polylibgmp.h): Don't include.
4502         (initialize_dependence_polyhedron,
4503         initialize_data_dependence_polyhedron, is_empty_polyhedron,
4504         statement_precedes_p, test_dependence, build_rdg_all_levels,
4505         dump_dependence_graph): Removed until this code is cleaned up
4506         or ported to Cloog.
4507         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
4508         (POLYLIBINC): Renamed PPLINC.
4509
4510 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
4511             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4512             Jan Sjodin  <jan.sjodin@amd.com>
4513
4514         Finish the merge and tuplification of graphite.
4515
4516 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4517             Jan Sjodin  <jan.sjodin@amd.com>
4518
4519         Partial merge from mainline (138072:138275).
4520         * graphite.c still has to be tuplified.
4521
4522 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
4523
4524         * graphite.c (graphite_loops_mapping_max_loop_num): New.
4525         (create_num_from_index): New.
4526         (get_num_from_index): Also pass in the graphite BB.
4527         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
4528         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
4529         (graphite_trans_bb_strip_mine): Call create_num_from_index.
4530         (is_interchange_valid): Return false when failing.
4531         * graphite.h (struct num_map): New.
4532         (struct graphite_bb): New field num_map.
4533         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
4534
4535 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4536
4537         * graphite.c (dump_gbb_conditions): Print also conditions like
4538         "if (a)".  Remove dublicated code and use print_generic_expr ().
4539         (stmt_simple_for_scop_p): Only allow conditions we can handle
4540         {<, <=, >, >=}.
4541
4542 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4543
4544         * graphite.h (struct scop): Removed new_ivs field.
4545         (SCOP_NEWIVS): Deleted.
4546         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
4547         clast_to_gcc_expression, graphite_create_new_loop):
4548         Removed use of new_ivs.
4549
4550 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
4551
4552         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
4553         create_loops_mapping_num, debug_loop_mapping_1): New.
4554         (debug_loop_mapping): Call debug_loop_mapping_1.
4555         (get_loop_mapping_for_num,
4556         graphite_loops_mapping_add_child,
4557         graphite_loops_mapping_add_child_num,
4558         graphite_loops_mapping_insert_child,
4559         graphite_loops_mapping_parent,
4560         split_loop_mapped_depth_for_num,
4561         loop_mapped_depth_split_loop): New.
4562         (increment_loop_mapped_depths): Removed.
4563         (swap_loop_mapped_depth_for_num): Reimplemented.
4564         (new_scop): Call create_loops_mapping.
4565         (scop_record_loop): Call graphite_loops_mapping_insert_child.
4566         (translate_clast): Pass the old loop father in parameter, and pass
4567         it to get_old_iv_from_ssa_name.
4568         (remove_edges_around_useless_blocks, can_generate_code_stmt,
4569         can_generate_code, can_generate_for_scop): New.
4570         (graphite_trans_bb_block): Returns false when it fails to transform.
4571         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
4572
4573 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4574
4575         Reverted all the changes related to the streamization and
4576         loop fusion.
4577         These changes are now tracked in the streamization branch.
4578
4579 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4580             Jan Sjodin  <jan.sjodin@amd.com>
4581
4582         * graphite.c (gbb_compare): Correctly constify.
4583         (gbb_can_be_ignored): Indent.
4584         (graphite_trans_scop_swap_1and2): Add legality check.
4585         Remove dead FIXMEs.
4586
4587 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
4588
4589         Remove fallouts from "Reverted the Condate changes".
4590         * tree.h: Remove unused decl.
4591         * testsuite/gcc.dg/tree-checker: Same.
4592         * timevar.def: Remove counter.
4593
4594 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
4595
4596         * Merge from mainline (135673:138072).
4597
4598         Reverted the MIRO changes (from 2008-04-05) that are now
4599         tracked in the miro branch.
4600         * tree-bounds.c: Removed.
4601         * tree-bounds.h: Removed.
4602
4603         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
4604         are now tracked in the condate branch.
4605         * tree-check.c: Removed.
4606         * tree-match.c: Removed.
4607         * condate.y: Removed.
4608
4609 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4610
4611         * common.opt: New user flag -floop-block, -floop-strip-mine
4612         and -floop-interchange.
4613         * toplev.c (process_options): Enable -fgraphite pass if any one of the
4614         graphite loop optimization flags is turned on.
4615         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
4616         flag_loop_strip_mine and flag_loop_interchange checks before
4617         optimizations.
4618         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
4619         -floop-strip-mine and -floop-interchange.
4620         * testsuite/gcc.dg/graphite/block-0.c: Add -floop-block and remove
4621         -fgraphite.
4622         * testsuite/gcc.dg/graphite/scop-16.c: Ditto.
4623         * testsuite/gcc.dg/graphite/scop-17.c: Ditto.
4624         * testsuite/gcc.dg/graphite/scop-18.c: Ditto.
4625
4626 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
4627             Sebastian Pop  <sebastian.pop@amd.com>
4628
4629         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
4630         (create_empty_loop_on_edge): More fixes.
4631         * tree-phinodes.c (resize_phi_node): Extern.
4632         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
4633         * cfghooks.c (update_dominator_information): New split from
4634         split_edge.
4635         * tree-vectorizer.c (rename_variables_in_bb): Extern.
4636         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
4637         successor of the function entry block.
4638
4639         * graphite.c: Include pointer-set.h.
4640         (debug_loop_mapping, increment_loop_mapped_depths,
4641         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
4642         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
4643         swap_loop_mapped_depth_for_num, get_num_from_index,
4644         swap_loop_mapped_depth, loop_iv_stack_debug,
4645         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
4646         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
4647         get_old_iv_from_ssa_name): New.
4648         (new_scop): Initialize SCOP_LOOPS_MAPPING.
4649         (free_scop): Free SCOP_LOOPS_MAPPING.
4650         (scop_record_loop): Record old ivs.
4651         (create_var_name): Removed.
4652         (initialize_cloog_names): Allocate double space in case strip mine
4653         applies to all loops once.
4654         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
4655         (clast_to_gcc_expression): Same.  Implement more clast to gimple
4656         translation.
4657         (graphite_create_new_loop): Pass in ivstack.
4658         (remove_all_edges): Pass in the construction_edge.
4659         (graphite_remove_iv): Removed.
4660         (graphite_rename_ivs, graphite_rename_ivs_stmt,
4661         remove_cond_exprs): Rewritten.
4662         (move_phi_nodes): New.
4663         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
4664         (translate_clast): Pass in ivstack.  Rewrite some cases.
4665         (set_cloog_options, debug_clast_stmt): New.
4666         (find_transform): Use set_cloog_options.
4667         (outermost_loop_layer): Removed.
4668         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
4669         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
4670         mark_old_loops, remove_dead_loops): New.
4671         (gloog): Rewritten.
4672         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
4673         (const_column_index, get_first_matching_sign_row_index,
4674         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
4675         get_upper_bound): New.
4676         (graphite_trans_bb_strip_mine): Also update the iv map.
4677
4678         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
4679         (struct name_tree): Add a loop field.
4680         (struct scop): Add a graphite_loops_mapping field.
4681         (SCOP_LOOPS_MAPPING): New.
4682         (debug_clast_stmt): Declare.
4683         * lambda.h (find_induction_var_from_exit_cond): Declare.
4684         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
4685         * cfgloop.h (update_dominators_in_loop): Removed declaration.
4686         (create_empty_loop_on_edge): Updated.
4687         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
4688         rename_variables_in_bb): Declare.
4689         * tree-cfg.c (remove_bb): Extern.
4690
4691         * testsuite/gcc.dg/graphite/block-0.c: New.
4692
4693 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4694             Sebastian Pop  <sebastian.pop@amd.com>
4695
4696         * graphite.c (strip_mine_profitable_p): New.
4697         (graphite_trans_bb_block): Disable strip mining if not profitable.
4698
4699         * testsuite/gcc.dg/graphite/scop-18.c: New.
4700         * testsuite/gcc.dg/graphite/scop-17.c: Fixed.
4701         * testsuite/gcc.dg/graphite/scop-16.c: Fixed.
4702
4703 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
4704             Jan Sjodin  <jan.sjodin@amd.com>
4705             Sebastian Pop  <sebastian.pop@amd.com>
4706
4707         * graphite.c (is_interchange_valid): New.
4708         (graphite_trans_bb_block): Check loop nest of basic block for legality
4709         of interchange.
4710
4711         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
4712         outer_most_loop, gbb_outer_most_loop_index): New.
4713
4714         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
4715         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
4716         * testsuite/gcc.dg/graphite/scop-16.c: New.
4717         * testsuite/gcc.dg/graphite/scop-17.c: New.
4718
4719 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4720
4721         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
4722         (graphite_trans_scop_block): Ignore SCoPs without bbs.
4723
4724 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4725
4726         * graphite.c (new_scop): Initialize SCOP_EXIT.
4727         (scopdet_info): Add.
4728         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
4729         (build_scops_1): Cleanup, bugfixes.
4730         (build_scops): Cleanup.
4731
4732         * testsuite/gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
4733         * testsuite/gcc.dg/graphite/scop-15.c: Add SCoP numbers.
4734
4735 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4736
4737         * testsuite/gfortran.dg/graphite/scop-1.f: Update to reduced test case.
4738
4739         * testsuite/gfortran.dg/graphite/graphite.exp: Use
4740         DEFAULT_GRAPHITE_FLAGS.
4741
4742         * testsuite/gcc.dg/graphite/scop-15.c: Update to reduced test case.
4743
4744 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4745
4746         * graphite.c (scan_tree_for_params): Do not assert any more if
4747         MULT_EXPR parameter is negative.
4748
4749         * testsuite/gfortran.dg/graphite/scop-1.f: New.
4750
4751         * testsuite/gfortran.dg/graphite/graphite.exp: New.
4752
4753         * testsuite/gcc.dg/graphite/scop-15.c: New.
4754
4755 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
4756
4757         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
4758
4759 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4760
4761         * graphite.c (graphite_trans_bb_swap_loops): Rename from
4762         graphite_swap_loops.
4763         (graphite_trans_bb_move_loop): New.
4764         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
4765         (graphite_trans_bb_block): New.
4766         (graphite_trans_loop_block): New.
4767         (graphite_trans_scop_swap_1and2): Rename from
4768         graphite_trans_swap_1and2.
4769         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
4770         (graphite_trans_scop_block): New.
4771         (graphite_apply_transformations): Rename from
4772         graphite_transformations.
4773
4774         * testsuite/gcc.dg/graphite/scop-matmult.c: New.
4775
4776 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4777
4778         * graphite.c (gbb_compare): New.
4779         (graphite_sort_gbbs): New.
4780         (gbb_can_be_ignored): New.
4781         (scop_remove_ignoreable_gbbs): New.
4782         (graphite_transformations): Cleanup and add
4783         scop_remove_ignoreable_gbbs.
4784         * lambda.h (lambda_vector_compare): New.
4785
4786 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4787
4788         * graphite.c (print_graphite_bb): Correct printing of static schedule.
4789         (graphite_swap_loops): int -> unsigned
4790         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
4791         (graphite_transformations): New.
4792         (graphite_transform_loops): Move to graphite_transformations.
4793         * graphite.h (gbb_nb_loops): Return unsigned.
4794
4795 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
4796
4797         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
4798         the domain matrix.  This makes scop-0.c work again.
4799
4800 2008-06-20  Richard Guenther  <rguenther@suse.de>
4801
4802         * graphite.h: Adjust copyright to GPLv3.
4803         * graphite.c: Likewise.
4804         (stmt_simple_memref_for_scop_p): Split out from ...
4805         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
4806         and simplify.
4807         (get_bb_type): Optimize.
4808         (is_pred): Remove.
4809         (is_bb_addable): Fix memleak, replace is_pred call with
4810         single_pred.
4811         (build_scops): Use current_loops.
4812         (param_index): Fix memleak.
4813
4814 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4815
4816         * graphite.c: Fix formatting.
4817
4818 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4819
4820         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
4821         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
4822         (create_var_name, save_var_name): Newly defined functions.
4823         (initialize_cloog_names): Part of the code factored out to
4824         save_var_name.
4825         (clast_to_gcc_expression): Now handles the case of clast_red_sum
4826         in clast_reduction statement.
4827         (graphite_create_new_loop): Now takes a new parameter
4828         for outer_loop.
4829         (translate_clast): Now also takes the context_loop and bb_exit
4830         parameters. Rewritten the code so that it creates a gimple code
4831         inside the given context.
4832         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
4833         remove_cond_expr, disconnect_cond_expr,
4834         disconnect_virtual_phi_nodes): Newly defined functions.
4835         * graphite.h (struct scop): added old_ivs vector.
4836         SCOP_OLDIVS: New macro.
4837
4838 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4839
4840         * cfgloopmanip.c: Add missing function comments, fix formatting.
4841
4842 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
4843
4844         * cfgloopmanip.c (update_dominators_in_loop): Defined.
4845         (create_empty_loop_on_edge): Defined.
4846         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
4847         instead of void.
4848         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
4849         (update_dominators_in_loop): Declared as extern
4850         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
4851
4852 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
4853
4854         * graphite.c (print_graphite_bb): Allow changing number of loops
4855         in SCoP domain.
4856         (initialize_cloog_names): Allow changing number of loops.
4857         (build_cloog_prog): Simplify.
4858         (find_transform): Enable cloog option --strides.
4859         (graphite_swap_loops): New.
4860         (graphite_strip_mine_loop): New.
4861         (graphite_trans_swap_1and2): New.
4862         (graphite_trans_strip): New.
4863         (graphite_transform_loops): Add graphite_trans_strip.
4864         * graphite.h (scop_max_loop_depth): New.
4865
4866 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4867
4868         * graphite.c (build_scop_iteration_domain): Remove forgotten
4869         line. (Fixes compile)
4870
4871 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
4872
4873         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
4874         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
4875         (build_bb_loops): New.
4876         (graphite_transform_loops): Add build_bb_loops.
4877         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
4878         numbers.
4879         * graphite.h (graphite_bb): Add loops.
4880         (gbb_nb_loops): New.
4881         (gbb_loop_at_index): New.
4882         (gbb_loop_index): New.
4883         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
4884         using nb_params_in_scop.
4885
4886 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4887
4888         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
4889         (build_scop_canonical_schedules): Build minimized schedule.
4890         (schedule_to_scattering): Adapt to minimized schedule.
4891         * graphite.h (graphite_bb): Add/Update descriptions.
4892
4893 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
4894             Tobias Grosser  <grosser@fim.uni-passau.de>
4895
4896         * graphite.c (print_graphite_bb): Add condition printing.
4897         (dump_value): New.
4898         (dump_gbb_conditions): New.
4899         (build_scop_conditions_1): New.
4900         (build_scop_conditions): New.
4901         * graphite.h (graphite_bb): Add conditions.
4902
4903 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
4904
4905         * graphite.c (print_graphite_bb):
4906         (free_graphite_bb): New.
4907         (free_scop): Free bbs.
4908         (get_bb_type): Free doms.
4909         (build_scop_context): Free context matrix.
4910         (build_loop_iteration_domains): Remove unused code.
4911         (build_cloog_prog): Free scattering function and blocklist.
4912         (find_transform): Free options.
4913
4914 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4915
4916         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
4917         Remove unnecessery cloog data structures. Make a copy of the domain
4918         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
4919         unnecessary cloog data structures. Fix memory leaks. Remove insert
4920         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
4921         used.
4922         (build_scop_iteration_domain): Remove unnecessary cloog
4923         data structures.  Fix memory leaks.
4924         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
4925         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
4926
4927 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4928
4929         * graphite.c (find_scop_params): Remove initialize_cloog_names.
4930
4931 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4932
4933         * graphite.c (end_scop): Style fix.
4934         (schedule_to_scattering): Style and comment fix.
4935
4936 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4937         * graphite.c (print_graphite_bb): Fix definiton of
4938         schedule_to_scattering.
4939         (initialize_cloog_names): Change nb_scattdims to max loop
4940         depth in SCoP.
4941         (schedule_to_scattering): Take parameter for number of scattering
4942         dimensions.
4943         (build_cloog_prog): Only build as much scattering dimensions as
4944         necessary.
4945
4946 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4947
4948         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
4949         in polyhedron/aermod.f90.
4950
4951 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4952             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
4953             Harsha Jagasia  <harsha.jagasia@amd.com>
4954
4955         * graphite.c (is_bb_addable): Fix segfault.
4956
4957 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4958
4959         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
4960         with multiple exits and conditional handling in edge cases.
4961         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
4962
4963         * testsuite/gcc.dg/graphite/scop-14.c: New.
4964
4965 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4966             Adrien Eliche  <aeliche@isty.uvsq.fr>
4967
4968         * graphite.c (is_bb_addable): Add more comments and enhance
4969         readablity of the source code. Fix memory leak.
4970         (is_loop_exit): Fix memory leak.
4971
4972 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4973
4974         * graphite.c (first_loop_in_scop): Deleted.
4975         (setup_cloog_loop): Only walk the loop chain for inner loops.
4976         (build_scop_iteration_domain): Execute setup_cloog_loop for
4977         all loops in the first layer.
4978
4979 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4980
4981         * graphite.c (scan_tree_for_params): Change the way params are
4982         added to be indepenent of the number of loops.
4983         (setup_cloog_loop): Revert to short matrix format. Fix parameter
4984         handling.
4985         (build_cloog_prog): Revert to short matrix format.
4986
4987 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4988             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
4989
4990         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
4991         warning.
4992
4993 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4994
4995         * graphite.c (nb_data_refs_in_scop): New.
4996         (graphite_transform_loops): Print more stats: number of
4997         loops, basic blocks and data references per scop.
4998
4999 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5000             Jan Sjodin  <jan.sjodin@amd.com>
5001
5002         * graphite.c (loop_affine_expr, idx_record_params,
5003         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
5004         instead of instantiate_parameters.
5005
5006 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5007
5008         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
5009         add support for parameters, add STATIC_SCHEDULE at the right places,
5010         cleanup.
5011
5012 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5013
5014         * graphite.c (build_scop_loop_nests): Only add the loops, that
5015         are contained completely in the SCoP.
5016         (build_cloog_prog): Disable scattering, until schedule_to_scattering
5017         and the domains are fixed.
5018         (build_scop_canonical_schedules): Add support for bbs not contained
5019         in any SCoP.
5020
5021 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5022
5023         * graphite.h (scop_contains_loop): Update comments to match
5024         the actual behavior.
5025         (scop_contains_loop): New.
5026         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
5027
5028 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5029
5030         * graphite.c (get_bb_type): On function body, i.e. loop_0,
5031         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
5032         as GBB_COND_HEADER.
5033
5034 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
5035             Tobias Grosser  <grosser@fim.uni-passau.de>
5036
5037         * graphite.c (graphite_transform_loops): Early return when
5038         there are no loops in the function.
5039
5040 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5041             Jan Sjodin  <jan.sjodin@amd.com>
5042
5043         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
5044         offset of the last loop.
5045         (setup_cloog_loop): Copy the entire outer constraint matrix.
5046
5047 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5048             Jan Sjodin  <jan.sjodin@amd.com>
5049
5050         * graphite.c (stmt_in_scop_p, function_parameter_p,
5051         invariant_in_scop_p): Removed.
5052         (scan_tree_for_params): Can be used with no constraint
5053         matrix for gathering parameters.
5054         (idx_record_params): Don't use idx_record_param, instead use
5055         scan_tree_for_params.
5056         (find_scop_parameters): Same.
5057         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
5058         Fix the size of loop domains.
5059         (schedule_to_scattering): Exit when the outer loop is not in scop.
5060         (find_transform): Enable build_cloog_prog.
5061
5062 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5063             Jan Sjodin  <jan.sjodin@amd.com>
5064
5065         * graphite.c (schedule_to_scattering): Make scattering domains
5066         uniformly of the same size, as required by CLooG 0.14.0 and before.
5067
5068 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
5069             Jan Sjodin  <jan.sjodin@amd.com>
5070
5071         * graphite.c (schedule_to_scattering): Rewrite, correct the
5072         translation of the scheduling function to scattering.
5073         (build_cloog_prog): Call schedule_to_scattering only once.
5074         * graphite.h (scop_loop_index): Do not fail for loops not
5075         in the scop: return -1.
5076
5077 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
5078
5079         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
5080         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
5081         (setup_cloog_loop): Export GBB_DOMAIN.
5082         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
5083         able to rebuild the original control flow.
5084         * graphite.h (graphite_bb): Add domain field and access macro.
5085         (GBB_DOMAIN): New.
5086
5087 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5088
5089         * graphite.c (debug_gbb): New.
5090         (print_scop, build_graphite_bb): Use SCOP_BBS.
5091         (build_scop_bbs): Reimplemented.
5092         (dfs_bb_in_scop_p): Removed.
5093         (build_scop_loop_nests): Reorder loops inserted in
5094         SCOP_LOOP_NEST: outer loops should come first.
5095         (build_scop_canonical_schedules): Reinitialize at zero
5096         the components of the SCOP_STATIC_SCHEDULE for the loops
5097         that have already been parsed.
5098
5099         * graphite.h (debug_gbb): Declared.
5100
5101 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
5102             Jan Sjodin  <jan.sjodin@amd.com>
5103
5104         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
5105         (graphite_loop_to_gcc_loop): Removed.
5106         (remove_all_edges): New.
5107         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
5108         (gloog): Remove useless code.
5109
5110 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5111
5112         * graphite.c (get_bb_type): Reworked. We distinguish between
5113         loops with one or multiple exits.
5114         (is_loop_exit): New.
5115         (is_pred): New.
5116         (is_bb_addable): Rework condition handling, now support for case
5117         case statements and loops with multiple exits.
5118
5119         * testsuite/gcc.dg/graphite/scop-11.c: New.
5120         * testsuite/gcc.dg/graphite/scop-12.c: New.
5121         * testsuite/gcc.dg/graphite/scop-13.c: New.
5122
5123 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5124
5125         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
5126         we have too many colors.
5127
5128 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
5129
5130         * doc/invoke.texi (-ftree-loop-fusion): Document.
5131         * tree-pass.h (pass_loop_fusion): Declared.
5132         * tree-loop-fusion.c: New.
5133         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
5134         * tree-data-ref.c (find_data_references_in_loop): Make extern.
5135         * tree-data-ref.h (find_data_references_in_loop): Declared.
5136         * common.opt (ftree-loop-fusion): Declared.
5137         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
5138
5139 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
5140
5141         * graphite.c (build_access_matrix): Fix typo from the merge.
5142
5143 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
5144
5145         * Merge from mainline (130800:135673).
5146
5147 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5148
5149         * graphite.c (end_scop): The exit of the scop is not part of the scop.
5150         Update dominators after splitting.
5151
5152 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5153
5154         * graphite.c (is_bb_addable): Return the harmful statement.
5155         Factor up some code.
5156         (end_scop): New.  Splits end of scope bbs on a harmful statement.
5157         (build_scops_1): Call end_scop.
5158
5159 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
5160
5161         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
5162         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
5163         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
5164         build_scops_1): Removed.
5165         (build_scops_2): Renamed build_scops_1.
5166
5167 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5168
5169         * graphite.c: Fix formatting.
5170
5171 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5172
5173         * graphite.c (get_bb_type): New.
5174         (move_scops): New.
5175         (build_scops_2): New.
5176         (is_bb_addable): New.
5177         (build_scops): Switch the scop detection.
5178         (build_scop_bbs): Add entry bb to scop.
5179         * graphite.h (struct scop): Update comment.
5180
5181 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5182
5183         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
5184         more colors.
5185
5186 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5187
5188         * testsuite/gcc.dg/graphite/scop-1.c: Update.
5189         * testsuite/gcc.dg/graphite/scop-2.c: Update.
5190         * testsuite/gcc.dg/graphite/scop-4.c: Update.
5191         * testsuite/gcc.dg/graphite/scop-5.c: Add.
5192         * testsuite/gcc.dg/graphite/scop-6.c: Add.
5193
5194 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
5195
5196         * testsuite/gcc.dg/graphite/scop-0.c: Add.
5197         * testsuite/gcc.dg/graphite/scop-7.c: Add.
5198         * testsuite/gcc.dg/graphite/scop-8.c: Add.
5199         * testsuite/gcc.dg/graphite/scop-9.c: Add.
5200         * testsuite/gcc.dg/graphite/scop-10.c: Add.
5201
5202 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
5203
5204         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
5205         Check affine expressions depending on the outermost loop
5206         instead of a scop.
5207         (stmt_simple_for_scop_p): Same.
5208         (harmfule_stmt_in_scop): Same.
5209
5210 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
5211
5212         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
5213         mark entry and exit, that are not part of the SCoP and update HTML
5214         formatting.
5215
5216 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
5217
5218         * graphite.c (basic_block_simple_for_scop_p): Renamed
5219         harmful_stmt_in_bb.
5220         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
5221         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
5222         (all_preds_visited_p, all_succs_visited_p,
5223         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
5224         scop_end_loop): New.
5225         (build_scops): Do not use dfs_enumerate_from.
5226
5227         * testsuite/gcc.dg/graphite/scop-{1,2,4}.c: Updated.
5228
5229 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5230
5231         * graphite.c: Add comments to functions that are missing a
5232         description.
5233         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
5234
5235 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
5236
5237         * graphite.c (nb_params_in_scop): Moved...
5238         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
5239         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
5240         (clast_to_gcc_expression): Reduce column size to less than 80.
5241         (graphite_create_iv): Return the new name of the IV.
5242         (find_transform): Set options->esp and options->cpp.
5243         (gloog): Comment out the invalidation of the old loop code.
5244         (initialize_dependence_polyhedron): Replace scop_nb_params with
5245         nb_params_in_scop.
5246
5247         * graphite.h (nb_params_in_scop): ... here.
5248         (scop_nb_params): Removed.
5249         (loop_domain_dim): Return something even when the loop was not
5250         found in the hash table: avoid ICEing on all the graphite.exp
5251         testcases.
5252
5253 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5254
5255         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
5256
5257         * graphite.c (build_scop_dynamic_schedules): Schedule is built
5258         according to nesting level.
5259         (find_scop_parameters): Call instantiate_parameters.
5260         (scan_tree_for_params): Extend it to handle general affine bounds.
5261         Inner loop bound can depend on outer loop induction variable.
5262         (setup_cloog_loop): tmp variable is allocated on stack. Call
5263         instantiate_parameters with respect to outermost_loop_in_scop.
5264         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
5265         graphite.h.
5266         (create_empty_loop): Function loopify should be given edge
5267         probability, instead of edge frequency. Dominance relation from
5268         switch_bb to loop_header.
5269         (clast_to_gcc_expression): Added handling of clast_reduction node.
5270         (gloog): New functionality for removing old loop.
5271         (test_dependence): Factored out from build_rdg_all_levels.
5272         (build_rdg_all_levels): Dependence testing factored out to
5273         test_dependence function.
5274
5275         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
5276         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
5277         from graphite.c
5278
5279 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
5280
5281         * graphite.c (free_scop, param_index, initialize_cloog_names,
5282         nb_params_in_scop): Use name_tree map instead of just a tree
5283         for keeping track of the variable name associated to that tree.
5284         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
5285         clast_to_gcc_expression, graphite_create_iv,
5286         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
5287         graphite_stmt_to_gcc_stmt): New.
5288         (gloog): Call these.
5289         * graphite.h (struct name_tree): New.
5290         (struct scop): Use name_tree instead of tree for params.
5291         Store a vector of name_tree for new_ivs.
5292         (SCOP_NEWIVS): New.
5293         (scop_nb_params): Use name_tree instead of tree.
5294
5295 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
5296             Sebastian Pop  <sebastian.pop@amd.com>
5297
5298         * tree-bounds.c: New.
5299         * tree-bounds.h: New.
5300         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
5301         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
5302         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
5303         flag_mudflap.
5304         * gcc.c: Same.
5305         * toplev.c: Same.
5306         * c-cppbuiltin.c: Same.
5307         * c-pragma.c: Same.
5308         * common.opt: Same.
5309         * varasm.c: Same.
5310         * tree-outof-ssa.c: Same.
5311         * c-common.c: Same.
5312         * Makefile.in: Same.
5313
5314 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
5315             Sebastian Pop  <sebastian.pop@amd.com>
5316
5317         * tree-loop-distribution.c (remaining_stmts,
5318         upstream_mem_writes): Removed static variables.
5319         (copy_loop_before, create_bb_after_loop,
5320         mark_nodes_having_upstream_mem_writes, free_rdg_components,
5321         rdg_build_components, rdg_build_partitions,
5322         dump_rdg_partitions): Extern.
5323         (generate_loops_for_partition, generate_code_for_partition): Do not
5324         return a bool.
5325         (already_processed_vertex_p, predecessor_has_mem_write,
5326         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
5327         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
5328         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
5329         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
5330         Pass remaining_stmts and upstream_mem_writes as parameters.
5331         (rdg_component): Moved...
5332         (build_rdg_partition_for_component): Do not aggregate components when
5333         flag_streamize_loops is set.
5334         (gen_sequential_loops): New.
5335         (ldist_gen): Call gen_sequential_loops.
5336
5337         * tree-pass.h (pass_loop_streamization): Declared.
5338
5339         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
5340         basic blocks when loops structures exist.
5341
5342         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
5343
5344         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
5345
5346         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
5347         eliminate_local_variables_stmt, eliminate_local_variables,
5348         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
5349         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
5350         of code delimited by two edges in the CFG.
5351         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
5352         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
5353         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
5354         the case of parallelisation of reductions.
5355         (create_loop_fn): Extern.
5356         (create_omp_parallel_region): New.
5357
5358         * tree-data-ref.c (dump_data_dependence_relation): Don't call
5359         dump_data_reference for printing dra and drb.
5360         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
5361         RDGE_RELATION.
5362         (build_rdg): Don't call free_dependence_relations for the moment, as
5363         we attach dependence relations on each edge of the RDG.
5364         To be fixed later.
5365
5366         * tree-data-ref.h (rdg_component): ...here.
5367         (struct rdg_edge): New field ddr_p relation.
5368         (RDGE_RELATION): New.
5369         (create_bb_after_loop, copy_loop_before,
5370         mark_nodes_having_upstream_mem_writes, rdg_build_components,
5371         rdg_build_partitions, dump_rdg_partitions,
5372         free_rdg_components): Declared.
5373
5374         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
5375         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
5376
5377         * tree-loop-streamization.c: New.
5378
5379         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
5380         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
5381
5382         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
5383
5384         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
5385
5386         * passes.c: Schedule pass_loop_streamization.
5387
5388 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
5389
5390         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
5391         update comment.
5392
5393 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5394
5395         * graphite.c (dot_all_scops): Update formatting.
5396         Bbs can now be part of more than one SCoP.
5397
5398 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5399
5400         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
5401         malloc problems.
5402         (loop_domain_dim): Check for unregistered toplev SCOP loop.
5403         * graphite.h (loop_to_cloog_loop): New.
5404
5405 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5406
5407         * graphite.c (loop_domain_dim, ref_nb_loops,
5408         loop_iteration_vector_dim): New.
5409         (build_access_matrix_with_af, build_access_matrix,
5410         initialize_dependence_polyhedron): Fixed for new matrix layout.
5411         No longer assume that all iteration domains are of the same
5412         dimensionality.
5413
5414 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5415
5416         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5417         defined in a loop at depth 0 is invariant.
5418         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5419         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5420         be called at loop depth 0.
5421
5422         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
5423         a parameter.
5424         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
5425         (down_open_scop): Removed.
5426         (loop_in_scop_p): Redefined.
5427         (scop_affine_expr): New argument: scop.
5428         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
5429         a harmful statement ending a scop.
5430         (basic_block_simple_for_scop_p): New argument: scop.
5431         (get_loop_start): Removed.
5432         (new_scop): Initialize SCOP_LOOPS.
5433         (free_scop): Free SCOP_LOOPS.
5434         (succs_at_same_depth, preds_at_same_depth): New.
5435         (end_scop): Test the validity of a scop.
5436         (add_dominators_to_open_scops): New.
5437         (test_for_scop_bound): Call add_dominators_to_open_scops.
5438         Add cases for opening and closing multiple scops.
5439         (build_scops, build_scop_bbs): Iterate over basic blocks in
5440         depth first order.
5441         (build_graphite_bb): Pass scop directly.
5442         (dfs_bb_in_scop_p): New.
5443         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
5444         several times.
5445         (nb_loops_around_gb): Use loop_in_scop_p.
5446         (schedule_to_scattering): Disabled for the moment the code computing
5447         the "textual order for outer loop".
5448
5449         * graphite.h (struct scop): New field loops.
5450         (SCOP_LOOPS): New.
5451         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
5452
5453         * testsuite/gcc.dg/graphite/scop-{1,...,7}.c: Updated.
5454
5455 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
5456             Sebastian Pop  <sebastian.pop@amd.com>
5457
5458         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
5459         * common.opt (fstreamize-loops): New.
5460         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
5461         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
5462         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
5463         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
5464
5465 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5466
5467         * tree-data-ref.c (build_empty_rdg): New.
5468         (build_rdg): Use it.
5469         * tree-data-ref.h (build_empty_rdg): Declared.
5470         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
5471         (find_vertex_for_stmt): Removed.
5472         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
5473
5474 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5475
5476         * tree-loop-distribution.c (generate_builtin): After cancelling the
5477         loop tree, also delete basic blocks.
5478         (rdg_flag_uses): Stop recursion when a vertex has already been
5479         processed.
5480
5481 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5482
5483         * graphite.c (build_scop_alpha): Removed.
5484         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
5485         and dump_dependence_graph to avoid compiler warnings.
5486
5487 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5488
5489         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
5490         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
5491         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5492         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
5493         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
5494         (initialize_dependence_polyhedron, find_vertex_for_stmt,
5495         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5496         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
5497         dump_dependence_graph): New.
5498         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
5499         (GBB_ALPHA): New.
5500         (struct scop): New field loop2cloog_loop.
5501         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
5502         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
5503
5504 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5505
5506         * graphite.c (build_graphite_bb): Fix initialization
5507         of the graphite basic block.
5508
5509 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5510
5511         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
5512         loop domain matrix.  Pass in the number of loops contained in the
5513         constraint matrix.
5514         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
5515         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
5516         loops that are not surrounding the current loop are not represented
5517         in the domain constraint matrix.
5518         (build_scop_iteration_domain): Initial domain constraint matrix
5519         contains only the eq/ineq, cst, and scop parameters columns.
5520
5521 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5522
5523         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
5524         (print_graphite_bb): Print scattering.
5525
5526 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5527
5528         * graphite.c (initialize_cloog_names): Initialize names of
5529         scattering variables.
5530
5531 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5532
5533         * graphite.c (dot_all_scops_1): Disable debug output while
5534         printing graph.
5535
5536 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5537
5538         * graphite.c (find_transform): Change cloog output language to C.
5539
5540 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
5541
5542         * tree-loop-distribution.c (generate_memset_zero,
5543         generate_builtin, generate_code_for_partition,
5544         rdg_flag_all_uses): New.
5545         (rdg_flag_uses): Gather in the same partition the statements defining
5546         the VUSES of the current statement.
5547         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
5548         Gather in the same partition not only the stores to the same memory
5549         access, but also the reads.
5550         (ldist_generate_loops): Renamed ldist_gen.
5551
5552 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
5553             Tobias Grosser  <grosser@fmi.uni-passau.de>
5554
5555         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
5556         next pointer, don't use the inner pointer.
5557
5558 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
5559
5560         * graphite.c (dot_all_scops, dot_all_scops_1): New.
5561         (find_transform): Call dot_all_1.
5562         * graphite.h (dot_all_scops): Declared.
5563
5564 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
5565
5566         * tree-loop-distribution.c: Fix apsi.f ICE.
5567         (create_bb_after_loop): New.
5568         (generate_loops_for_partition): Use it.
5569         * testsuite/gfortran.dg/ldist-1.f90: New.
5570
5571         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
5572         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
5573
5574 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5575
5576         * graphite.c (find_transform): Dump cloog program sent to cloog.
5577
5578 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5579
5580         * graphite.c (initialize_cloog_names): Initialize cloog
5581         iterator names.
5582
5583 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
5584
5585         * graphite.c (build_scop_context): Fix typo, for the matrix
5586         format: insert '0 >= 0' instead of '-1 >= 0'.
5587
5588 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5589
5590         * Fix merge problems.
5591
5592 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
5593
5594         * graphite.c (setup_cloog_loop): Fix typo.
5595
5596 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5597
5598         * doc/invoke.texi (-ftree-loop-distribution): Documented.
5599         * tree-loop-distribution.c: Reimplemented.
5600         * tree-pass.h (pass_loop_distribution): New.
5601         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
5602         print_loops.
5603         * graphds.h (struct graph): New field indexes.
5604         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5605
5606         * tree-vect-analyze.c: Remove declaration of static functions when not
5607         needed.
5608         * tree-vectorizer.c: Same.
5609         (rename_variables_in_loop): Now extern.
5610         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
5611         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
5612         calling redirect_edge_and_branch_force.
5613
5614         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5615
5616         * tree-data-ref.c: Don't include tree-chrec.h.
5617         (debug_data_dependence_relations): New.
5618         (dump_data_dependence_relation): Call dump_data_reference on data refs
5619         in the relation.
5620         (same_access_functions): Moved...
5621         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5622         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5623         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5624         struct rdg_vertex_info, ): New.
5625         (create_rdg_edge_for_ddr): Compute the dependence level before looking
5626         at DDR_REVERSED_P.
5627         (create_rdg_vertices): Initialize the htab of graph->indexes.
5628         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
5629         (stmts_from_loop): Don't save LABEL_EXPR.
5630         (hash_stmt_vertex_info, eq_stmt_vertex_info,
5631         hash_stmt_vertex_del): New.
5632         (build_rdg): Initialize rdg->indexes.
5633         (free_rdg, stores_from_loop, ref_base_address,
5634         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5635         have_similar_memory_accesses_1, ref_base_address_1,
5636         remove_similar_memory_refs): New.
5637
5638         * tree-data-ref.h: Include tree-chrec.h.
5639         (debug_data_dependence_relations): Declared.
5640         (same_access_functions): ...here.  Now static inline.
5641         (ddr_is_anti_dependent, ddrs_have_anti_deps,
5642         ddr_dependence_level): New.
5643         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
5644         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
5645         RDG_MEM_READS_STMT): New.
5646         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5647         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5648         rdg_vertex_for_stmt): Declared.
5649         (struct rdg_edge): New field level.
5650         (RDGE_LEVEL, free_rdg): New.
5651         (stores_from_loop, remove_similar_memory_refs,
5652         rdg_defs_used_in_other_loops_p,
5653         have_similar_memory_accesses): Declared.
5654         (rdg_has_similar_memory_accesses): New.
5655
5656         * lambda.h (dependence_level): New.
5657         * common.opt (ftree-loop-distribution): New.
5658         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
5659         (print_loop_ir): Renamed print_loops.
5660         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
5661         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
5662         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
5663         (tree-loop-distribution.o): Added.
5664         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5665         (mark_virtual_ops_in_bb): New.
5666         (print_loops_bb, debug_loop_num, debug_loop): New.
5667         * passes.c: Scheduled pass_loop_distribution.
5668
5669 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5670
5671         * graphite.c (scan_tree_for_params): Correct the number of columns
5672         for polylib format.
5673         (nb_flat_iterator): New.
5674         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
5675         (build_scop_iteration_domain): Correct the number of columns for
5676         polylib format.
5677
5678 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5679
5680         * Merge from mainline (129697:130800).
5681
5682 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
5685         dominated by SCoP's exit.
5686         (graphite_transform_loops): Compute post dominators.
5687
5688 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5689
5690         * Merge from mainline (127169:129697).
5691
5692 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
5693
5694         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
5695         parameter for the basic block that contains the expression.  Use
5696         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
5697         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
5698         the expression.
5699         * graphite.h (gbb_loop): New.
5700         (GBB_LOOP): Removed.
5701
5702 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5703
5704         * Makefile.in: Fix merge problem.
5705
5706 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
5707
5708         * Merge from mainline (125309:127169).
5709         * tree-loop-distribution.c: Disabled.
5710
5711 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
5712
5713         * Merge from mainline (r123693:125309).
5714
5715 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
5716
5717         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
5718         correct_modify_p
5719         (correct_modify_p, check_statements, number_of_lvalue_uses,
5720         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
5721         instead of MODIFY_EXPR.
5722         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
5723         and push new edges.
5724
5725 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
5726
5727         * tree-loop-distribution.c (struct rdg): Replace arrays by
5728         VECs for edges and vertices.
5729         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
5730         (RDGV_NB_PARTITIONS): New.
5731         (PRDG_NBV, PRDG_NBE): Removed.
5732         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
5733         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
5734         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
5735
5736 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
5737             Sebastian Pop  <sebpop@gmail.com>
5738
5739         * doc/invoke.texi (-ftree-loop-distribution): Document.
5740         * tree-loop-distribution.c: New file.
5741         * tree-pass.h (pass_loop_distribution): Declared.
5742         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5743         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
5744         and set reversed_p.
5745         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
5746         (DDR_REVERSED_P): New.
5747         * common.opt (-ftree-loop-distribution): New.
5748         * tree-flow.h (distribute_loops): Declared.
5749         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
5750         * passes.c (init_optimization_passes): Schedule loop distribution.
5751
5752 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
5753
5754         * graphite.c (print_graphite_bb): Don't call dump_data_references.
5755         (print_scop): Don't print when scop is NULL.
5756         (build_scop_context, find_transform): Don't output to stderr.
5757
5758 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
5759
5760         * tree-data-ref.c: Don't include graphite.h.
5761         Comment out the code for printing data reference's scop.
5762         (build_access_matrix_with_af): Moved...
5763         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
5764         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
5765         (print_graphite_bb): Print basic block's schedule.
5766         (print_scop): Don't print the schedule, call cloog's pretty printer.
5767         (bb_in_scop_p): A basic block is in a scop only if it is both
5768         dominated and postdominated by the scop's entry and exit basic blocks.
5769         (function_parameter_p): New.
5770         (invariant_in_scop_p): Use function_parameter_p.
5771         (new_scop, save_scop): New.
5772         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
5773         save_scop.
5774         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
5775         (loop_in_scop_p): New.
5776         (scop_record_loop): Use loop_in_scop_p.
5777         (build_scop_domain): Renamed build_scop_iteration_domain.
5778         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
5779         nb_params_in_scop, build_scop_context, first_loop_in_scop,
5780         setup_cloog_loop, dot_scop_1, dot_scop): New.
5781         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
5782         (struct scop): Add a pointer to cloog's representation of a program.
5783
5784 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5785
5786         * doc/invoke.texi (-ftree-check-verbose): Renamed
5787         -ftree-checks-verbose.
5788         * common.opt (flag_tree_check_verbose): Renamed
5789         flag_tree_checks_verbose.
5790         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
5791
5792 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
5793
5794         * configure: Regenerated.
5795         * config.in: Regenerated.
5796         * tree-ssa-loop.c (graphite_transforms): Execute
5797         graphite_transform_loops only when HAVE_cloog.
5798         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
5799         * graphite.c: Include polylibgmp.h and cloog.h.
5800         (graphite_transform_loops): Removed loops parameter.
5801         * tree-flow.h (graphite_transform_loops): Update declaration.
5802         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
5803         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
5804         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
5805         (OBJS-common): Remove dependence on graphite.o.
5806         (BACKEND): Depend on @GRAPHITE@.
5807
5808 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
5809
5810         * doc/invoke.texi (-ftree-check-verbose): Documented.
5811         * testsuite/gcc.dg/tree-checker/tree-checks-1.c: New.
5812         * testsuite/gcc.dg/tree-checker/tree-checks-2.c: New.
5813         * testsuite/gcc.dg/tree-checker/tree-checks-3.c: New.
5814         * testsuite/gcc.dg/tree-checker/tree-checks-4.c: New.
5815         * testsuite/gcc.dg/tree-checker/tree-checks.exp: New.
5816         * testsuite/gcc.dg/tree-checker/condates.crp: New.
5817         * common.opt (ftree-checks-verbose): New.
5818         * tree-check.c (tree_check_warning): Move extra stderr output
5819         under control of flag_tree_check_verbose.
5820
5821 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
5822
5823         * tree-match.c: Fix comments formatting.
5824         * tree-match.h: Fix comments formatting.
5825         * tree-check.c: Fix comments formatting.
5826         (tree_check_init): Restructure.
5827
5828 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
5829
5830         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
5831
5832 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
5833
5834         * Merge from mainline (r120733:123693).
5835
5836 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
5837
5838         * condate.y: New file.
5839         * tree-match.h (struct patt_info_s): New field sign.
5840         (struct condate_s): New field msg.
5841         (normalize_condate, name_condate, add_condate): New.
5842         (conds[], condate_parse): Made extern.
5843         * tree-check.c (tree_check_warning): First arg changed to cond;
5844         warning reformatted.
5845         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
5846         (tree_scan): New.
5847         (tree_check): Process trivial condates.
5848         (read_delimited_string): Removed.
5849         (print_cond): Print name and msg.
5850         (conds[]): Made extern.
5851         (parse_tree_check_file_once): Rewritten to use the parser in
5852         condate.y.
5853         Processing of option --tree_check_string moved to tree_scan().
5854         * Makefile.in: Added condate.y
5855
5856 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
5857
5858         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
5859         Use VECs instead of varrays.
5860         * diagnostic.h (lazy_dump_generic_node): Update declaration.
5861         * Makefile.in (pretty-print.o): Depend on vec.h.
5862         * pretty-print.c: Include tree.h and vec.h.
5863         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
5864         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
5865         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
5866         pp_free_list): Use VECs instead of varrays.
5867         * pretty-print.h: Do not include varray.h.
5868         (struct tree_chunk_s): Declaration moved before its use.
5869         (output_buffer): Rename varray field to chunks.
5870         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
5871         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
5872         save_global_holes): Use VECs instead of varrays.
5873         * tree-match.h: Declare VECs of cfg_node, and hole_p.
5874         * tree-check.c (scan_cfg_stmts, push_node,
5875         print_matching_stmt): Removed.
5876         (tree_check_instance, push_global_holes_if_new, tree_check,
5877         execute_tree_check): Use VECs instead of varrays.
5878         (gate_tree_check): Don't execute the CFG check when basic_block_info
5879         is not available.
5880
5881 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5882
5883         * Merge from mainline (r115016:120733).
5884
5885 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5886
5887         * Merge from mainline (r117632:117661).
5888
5889 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
5890
5891         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
5892         * tree-pass.h (TDF_DEBUG, debug_p): New.
5893         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
5894         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
5895         get_loop_exit_condition, analyze_evolution_in_loop,
5896         analyze_initial_condition, analyze_scalar_evolution,
5897         instantiate_parameters, number_of_latch_executions): Use debug_p.
5898         * tree-chrec.c (chrec_apply): Use debug_p.
5899         * tree-data-ref.c: Include graphite.h.
5900         (dump_data_reference): Print also the access matrix.
5901         (analyze_array, analyze_indirect_ref, init_data_ref,
5902         analyze_offset_expr, address_analysis, object_analysis,
5903         create_data_ref, finalize_ddr_dependent,
5904         non_affine_dependence_relation, analyze_ziv_subscript,
5905         analyze_siv_subscript_cst_affine,
5906         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
5907         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
5908         analyze_miv_subscript, analyze_overlapping_iterations,
5909         build_classic_dist_vector, subscript_dependence_tester,
5910         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
5911         (build_access_matrix_with_af): No longer static.
5912         * tree-data-ref.h (scop_p): ... declaration here.
5913         (data_reference.scop): New field.
5914         (DR_SCOP, DR_ACCESS_MATRIX): New.
5915         (build_access_matrix_with_af, dr_num_subscripts): Declared.
5916         * graphite.c (print_graphite_bb): Call dump_data_references.
5917         (print_scop): Use scop_nb_loops and scop_dim_domain.
5918         (test_for_scop_bound): Use debug_p.
5919         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
5920         scop_nb_params.
5921         (scop_loop_index): Moved...
5922         (scop_record_loop): New.
5923         (build_scop_loop_nests): Use scop_record_loop.
5924         (build_scop_domain): Use scop_dim_domain.
5925         (build_access_matrix): Implemented.
5926         (build_scop_canonical_schedules): Use scop_nb_loops.
5927         (build_graphite_bb): Initialize GBB_SCOP.
5928         * graphite.h (scop_p): Moved...
5929         (graphite_bb.scop): New field.
5930         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
5931         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
5932         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
5933         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
5934         scop_loop_index): New.
5935         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
5936
5937 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
5938
5939         * Merge from mainline (r117661:120450).
5940
5941 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
5942
5943         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
5944         at the first declaration outside the varying loop, instantiate as
5945         far as possible.
5946         * tree-chrec.c (for_each_scev_op): New.
5947         * tree-chrec.h (for_each_scev_op): Declared.
5948         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
5949         * tree-data-ref.c (get_references_in_stmt,
5950         find_data_references_in_stmt): New, from trunk.
5951         (find_data_references_in_loop): Use get_references_in_stmt
5952         and find_data_references_in_loop, modified as in trunk.
5953         (build_access_matrix_with_af): New.
5954         * tree-data-ref.h (data_reference): Add a field access_matrix.
5955         (data_ref_loc): New, as in trunk.
5956         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
5957         invariant_in_scop_p, param_index, scan_tree_for_params,
5958         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
5959         idx_record_param, idx_record_params, build_access_matrix,
5960         build_scop_data_accesses, build_scop_canonical_schedules,
5961         build_graphite_bb, build_scop_bbs, find_params_in_bb,
5962         build_scop_params): New.
5963         * graphite.h (graphite_bb): New.
5964         (scop): Add fields static_schedule, params, loop_nest,
5965         iteration_domain.
5966         * lambda.h: Declare vecs of lambda_matrix.
5967         * tree-flow.h (print_loop_ir_bb): Declared.
5968         * tree-cfg.c (print_loop_ir_bb): New.
5969         (print_loop): Use print_loop_ir_bb.
5970
5971 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5972
5973         * Merge from mainline (r115016:117632).
5974
5975 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
5976
5977         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
5978         break due to a warning.
5979
5980 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
5981
5982         * graphite.c (print_scops, debug_scops): New.
5983         (graphite_transform): Renamed graphite_find_transform.
5984         * graphite.h (debug_scops): Declared.
5985
5986 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
5987
5988         * tree-match.c: Reformat following the GNU style.
5989         * tree-match.h: Reformat following the GNU style.
5990         * tree-pattern.h: Removed empty file.
5991         * Makefile.in: Remove references to tree-pattern.h.
5992         * tree-check.c: Reformat following the GNU style.
5993         (execute_tree_check): Move gate condition code to...
5994         (gate_tree_check): ...here.  New function.
5995         (pass_check): Use the gate function.
5996
5997 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
5998
5999         * tree-pattern.h: New. Tree pattern matching and checking using
6000         concrete syntax.
6001         * tree-check.c: New. Tree/CFG checking pass.
6002         * tree-match.c: New. Library for tree pattern matching.
6003         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
6004         * toplev.c, flags.h: Add globals for tree-check pass.
6005         * Makefile.in: Integrate the files in tree-check pass.
6006         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
6007         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
6008         Introduce a "lazy" pretty-print mode.
6009         * tree.c, tree.h: Add tree_name.
6010
6011 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
6012
6013         * doc/invoke.texi (-fgraphite): Correct typo.
6014         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
6015         use of print_loop_ir.
6016         * testsuite/gcc.dg/graphite/scop-1.c: New.
6017         * testsuite/gcc.dg/graphite/scop-2.c: New.
6018         * testsuite/gcc.dg/graphite/graphite.exp: New.
6019         * graphite.c: Include domwalk.h.
6020         (print_scop): Print only the entry and exit blocks.
6021         (debug_scop): No longer static.
6022         (affine_expr): Fix formating.  Return also true when the expression is
6023         constant.
6024         (stmt_simple_for_scop_p): Fix formating.
6025         (build_scops): Use domwalk.
6026         (get_loop_start, end_scop, test_for_scop_bound): New.
6027         (graphite_transform_loops): Avoid printing on stderr.
6028         * graphite.h (debug_scop): Declared.
6029         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
6030         * Makefile.in (graphite.o): Depend on domwalk.h.
6031         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
6032         declarations for static functions.
6033         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
6034         controlling output verbosity.
6035
6036 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
6037             Plesco Alexandru  <shurikx@gmail.com>
6038
6039         * doc/invoke.texi (-fgraphite): Document.
6040         * tree-pass.h (pass_graphite_transforms): Declared.
6041         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
6042         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
6043         (pass_graphite_transforms): Defined.
6044         * tree-data-ref.c (free_data_ref, data_reference): Extern.
6045         * tree-data-ref.h (free_data_ref, data_reference): Declared.
6046         * graphite.c, graphite.h: New.
6047         * common.opt (fgraphite): Declared.
6048         * tree-flow.h (graphite_transform_loops): Declared.
6049         * Makefile.in (OBJS-common): Add graphite.o.
6050         (graphite.o): New rule.
6051         * passes.c (pass_graphite_transforms): Scheduled.
6052