gcc/ChangeLog.graphite

   1 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-flattening.c: Fix comments.
   4
   5 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
   6
   7         * Makefile.in (OBJS-common): Add graphite-flattening.o.
   8         (graphite-flattening.o): New rule.
   9         * common.opt (floop-flatten): New flag.
  10         * doc/invoke.texi (-floop-flatten): Documented.
  11         * graphite-flattening.c: New.
  12         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
  13         * graphite-poly.h (flatten_all_loops): Declared.
  14         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
  15         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
  16         is set, also set flag_graphite.
  17
  18 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  19
  20         * graphite-poly.c (cloog_checksum): New.
  21         * graphite-poly.h (cloog_checksum): Declared.
  22
  23 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  24
  25         * graphite-poly.c (pbb_number_of_iterations): Removed.
  26         (pbb_number_of_iterations_at_time): Correctly compute the number
  27         of iterations in the transformed loop.
  28         * graphite-poly.h (pbb_number_of_iterations): Removed.
  29
  30 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  31
  32         * graphite-poly.h (lst_update_scattering_seq): Removed.
  33         (lst_update_scattering): Correctly handle outermost loop dewey
  34         renumbering.
  35
  36 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  37
  38         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
  39         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
  40         * graphite-poly.h (lst_niter_for_loop): New.
  41
  42 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         * graphite-poly.c (apply_poly_transforms): Do not abort when the
  45         transform read from disk is not legal.  Call fatal_error instead.
  46
  47 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  48
  49         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
  50         (print_scop_header): Removed.  Inlined in the only call place...
  51         (print_scop): ... here.
  52
  53 2010-09-09  Sebastian Pop  <sebastian.pop@amd.com>
  54
  55         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
  56
  57 2010-09-02  Vladimir Kargov  <kargov@gmail.com>
  58
  59         * graphite-scop-detection.c (is_valid_expr_p, is_valid_loop_p): New.
  60         (is_valid_stmt_p): Add data reference and operation-specific checks.
  61         (is_valid_bb_p): Change structure, add loop validity check.
  62         (is_scop_p): Move the TODO list
  63         (find_scops_new): New.
  64         (build_scops_new): Move part of functionality to find_scops_new and
  65         build_scops.  Add necessary steps for successful SCoP construction.
  66         (build_scops): Compute SCoP sets for both detection algorithms, choose
  67         the resulting one depending on static condition.
  68
  69 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
  72
  73 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
  74
  75         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
  76         (dot_deps_stmt): Same.
  77         * graphite-poly.c (dot_lst): Same.
  78
  79 2010-08-23  Sebastian Pop  <sebastian.pop@amd.com>
  80
  81         * graphite-blocking.c (scop_do_strip_mine): Do not call
  82         graphite_legal_transform.
  83         (scop_do_block): Same.
  84
  85 2010-08-20  Vladimir Kargov  <kargov@gmail.com>
  86
  87         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
  88         description.
  89
  90 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         PR middle-end/45230
  93         * gcc.dg/graphite/id-pr45230.c: New.
  94
  95 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * tree-scalar-evolution.c (instantiate_array_ref): New.
  98         (instantiate_scev_r): Also handle ARRAY_REFs.
  99
 100 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 103         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
 104         RESULT_DECL, and FIELD_DECL.  Return false for an
 105         SSA_NAME_IS_DEFAULT_DEF.
 106         (compute_scalar_evolution_in_loop): Do not further analyze the
 107         scalar evolution when no_evolution_in_loop_p returns true.
 108
 109 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 110
 111         * tree-chrec.h (evolution_function_is_affine_p): Do not check
 112         whether CHREC_LEFT is invariant.  A function is affine when
 113         CHREC_RIGHT is invariant.
 114
 115 2010-08-20  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
 118         is_gimple_reg.
 119         (rewrite_degenerate_phi): Same.
 120         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
 121
 122 2010-08-18  Vladimir Kargov  <kargov@gmail.com>
 123
 124         * graphite-scop-detection.c (graphite_can_represent_scev,
 125         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
 126         graphite_can_represent_loop): Remove outermost_loop.
 127
 128 2010-08-17  Sebastian Pop  <sebastian.pop@amd.com>
 129
 130         PR middle-end/45229
 131         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
 132         handle GIMPLE_CALLs with no LHS.
 133
 134 2010-08-17  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
 135             Sebastian Pop  <sebastian.pop@amd.com>
 136
 137         * gcc.dg/graphite/graphite.exp: Add test rules for openscop read/write.
 138         Call remove-build-file to clean up the generated *.graphite files.
 139
 140 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 141
 142         * doc/invoke.texi (debugging options): Update documentation.
 143         (-floop-interchange): Same.
 144         (-flopp-strip-mine): Same.
 145         (-floop-block): Same.
 146         (-fgraphite-read): Add documentation.
 147         (-fgraphite-write): Same.
 148
 149 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 150
 151         * toplev.c (process_options): Disable graphite loop optimization
 152         options when -fgraphite-read flag is used.
 153
 154 2010-08-17  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 155
 156         * graphite-poly.c (init_graphite_out_file): New.
 157         (init_graphite_in_file): New.
 158         (apply_poly_transforms): Updated to enable reading and writing of
 159         multiple scop files.
 160         * toplev.c (init_asm_output): Remove graphite in/out file initialization.
 161
 162 2010-08-17  Tobias Grosser  <grosser@fim.uni-passau.de>
 163
 164         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
 165         redundant checks.
 166
 167 2010-08-12  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         * graphite-clast-to-gimple.c (precision_for_value): Adjust
 170         computation of precision by 1.
 171
 172 2010-08-12  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 173
 174         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
 175         (openscop_read_polyhedron_matrix): New.
 176         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
 177         (openscop_read_N_int): Same.
 178         * graphite-poly.c (openscop_read_N_int): New.
 179         (openscop_read_one_int): New.
 180         (openscop_read_N_string): New.
 181         (openscop_read_one_string): New.
 182         (openscop_read_powerset_matrix): New.
 183         (graphite_read_transforms): Remove.
 184         (graphite_read_scatt): New.
 185         (graphite_read_scop_file): New.
 186         (apply_poly_transforms): Updated to call graphite_read_scop_file.
 187
 188 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 189
 190         * graphite-poly.c: Change include order.
 191
 192 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 193
 194         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
 195         (cloog_matrix_nrows): New.
 196
 197 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 198
 199         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
 200         from matrix lines.
 201         * graphite-poly.c (openscop_print_scattering_function_1): Same.
 202         (print_scattering_function_1): Same.
 203         (openscop_print_pbb_domain): Same.
 204         (openscop_print_scop_context): Same.
 205         (print_scop_context): Same.
 206
 207 2010-08-11  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 208
 209         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
 210         (openscop_print_pdr_polyhedron): Print pph.
 211
 212 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 213
 214         * gcc.dg/graphite/graphite.exp: Add compile rules for vect-* files.
 215         * gfortran.dg/graphite/graphite.exp: Same.
 216         * gcc.dg/graphite/vect-pr43423.c: New.
 217
 218 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 219
 220         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
 221         priority signed types.
 222
 223 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 224
 225         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
 226         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
 227
 228 2010-07-29  Riyadh Baghdadi <baghdadi.mr@gmail.com>
 229
 230         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
 231         (openscop_print_polyhedron_matrix): New.
 232         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
 233         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
 234         (openscop_print_pdr_powerset): New.
 235         (openscop_print_powerset_matrix): New.
 236         (openscop_print_scattering_function_1): New.
 237         (print_scattering_function): Add support for scattering names and
 238         OpenScop format.
 239         (graphite_write_transforms): Remove.
 240         (apply_poly_transforms): Updated to call print_scop.
 241         (print_pdr_access_layout): Updated to support OpenScop format.
 242         (print_pdr): Same.
 243         (openscop_print_pbb_domain): New.
 244         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
 245         not provided.
 246         (print_pbb): Updated to call the new print_pbb_body.
 247         (openscop_print_scop_context): New.
 248         (print_scop_header): New.
 249         (print_scop): Updated to call print_scop_header.
 250         * graphite-poly.h: Document OpenScop format.
 251
 252 2010-07-29  Sebastian Pop  <sebastian.pop@amd.com>
 253
 254         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
 255         the case removed in the previous patch, when the only phi argument
 256         is defined in the same loop as the phi node itself.  Handle it
 257         separately from the invariant case by both propagating it outside
 258         the region and replacing the phi node with an assign.
 259
 260 2010-07-28  Sebastian Pop  <sebastian.pop@amd.com>
 261
 262         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
 263         constant phi nodes with one argument are is_gimple_min_invariant
 264         and SSA_NAME_IS_DEFAULT_DEF.
 265
 266         * gfortran.dg/graphite/id-22.f: New.
 267
 268 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 269
 270         * graphite.c (graphite_initialize): Do not initialize
 271         CLooG and initialize the Parma Polyhedra Library
 272         manually when using CLOOG_ORG.
 273         (graphite_finalize): Do not finalize CLooG and finalize
 274         the Parma Polyhedra Library manually when using CLOOG_ORG.
 275         * graphite-cloog-compat.h (cloog_initialize): Hide function
 276         when using CLOOG_ORG.
 277         (cloog_finalize): Same.
 278
 279 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 280
 281         * graphite-clast-to-gimple.c (free_scattering): Change
 282         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
 283         (CLOOG_ORG).
 284         (build_cloog_prog): Same.
 285         * graphite-cloog-compat.h (cloog_domain): Removed.
 286         (cloog_scattering): New.
 287         (cloog_set_domain): Removed.
 288         (cloog_set_scattering): New.
 289         (cloog_next_domain): Removed.
 290         (cloog_next_scattering): New.
 291         (cloog_set_next_domain): Removed.
 292         (cloog_set_next_scattering): New.
 293         (CloogScatteringList): New.
 294         (CloogScattering): New.
 295         (cloog_scattering_free): New.
 296         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
 297         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
 298         New.
 299
 300 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 301
 302         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
 303         CloogState.
 304         (set_cloog_options): Same.
 305         (print_clast_stmt): Same.
 306         (scop_to_clast): Same.
 307         (print_generated_program): Same.
 308         (gloog): Same.
 309         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
 310         (scop_to_clast): Extend with CloogState.
 311         * graphite-cloog-util.c: Include graphite-cloog-compat.h
 312         (new_Cloog_Domain_from_ppl_Polyhedron):
 313         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
 314         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
 315         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 316         * graphite-cloog-util.h (build_cloog_prog): Same.
 317         * graphite-cloog-copat.h (build_cloog_prog): New.
 318         (CloogState): New.
 319         (cloog_state_malloc): New.
 320         (cloog_state_free): New.
 321         (cloog_loop_malloc): New.
 322         (cloog_options_malloc): New.
 323         (cloog_statement_alloc): New.
 324         (cloog_domain_from_cloog_matrix): New.
 325         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
 326         (new_Cloog_Domain_from_ppl_Polyhedron): New.
 327
 328 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 329
 330         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
 331         type of NAME now depends on used CLooG version.
 332         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
 333         (gcc_type_for_clast_expr): Same.
 334         (print_clast_stmt): Replace pprint with clast_pprint.
 335         * graphite-cloog-compat.h: Provide compatibility macros for
 336         CLooG Legacy.
 337         (clast_name_p): New.
 338         (clast_expr_term): New.
 339         (clast_expr_red): New.
 340         (clast_expr_bin): New.
 341         (clast_pprint): New.
 342
 343 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 344
 345         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
 346         compatible to newer CLooG releases (CLOOG_ORG).
 347         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
 348         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
 349         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
 350         (build_cloog_prog) : New.
 351         (cloog_program_extract_scalars): New.
 352         (cloog_program_scatter): New.
 353
 354 2010-07-27  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 355
 356         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
 357         conditionally (CLOOG_ORG).
 358         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
 359         (cloog_statement_usr): New.
 360         (cloog_domain): Same.
 361         (cloog_set_domain): Same.
 362         (cloog_next_domain): Same.
 363         (cloog_set_next_domain): Same.
 364         (cloog_program_nb_scattdims): Same.
 365         (cloog_program_set_nb_scattdims): Same.
 366         (cloog_program_names): Same.
 367         (cloog_program_set_names): Same.
 368         (cloog_program_set_context): Same.
 369         (cloog_program_set_loop): Same.
 370         (cloog_program_blocklist): Same.
 371         (cloog_program_set_blocklist): Same.
 372         (cloog_program_scaldims): Same.
 373         (cloog_program_set_scaldims): Same.
 374         (cloog_names_nb_parameters): Same.
 375         (cloog_names_set_nb_parameters): Same.
 376         (cloog_names_parameters): Same.
 377         (cloog_names_set_parameters): Same.
 378         (cloog_names_set_nb_iterators): Same.
 379         (cloog_names_set_iterators): Same.
 380         (cloog_names_set_nb_scattering): Same.
 381         (cloog_names_set_scattering): Same.
 382         (cloog_statement_set_usr): Same.
 383         (cloog_loop_set_next): Same.
 384         (cloog_loop_set_domain): Same.
 385         (cloog_loop_set_block): Same.
 386         (cloog_block_list_next): Same.
 387         (cloog_block_list_set_next):
 388         (cloog_block_list_set_block): Same.
 389
 390 2010-07-27  Sebastian Pop  <sebastian.pop@amd.com>
 391
 392         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
 393         a bool.
 394         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
 395         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
 396         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
 397         when something has been changed.
 398         (rewrite_commutative_reductions_out_of_ssa): Same.
 399
 400         * gcc.dg/graphite/id-26.c: New.
 401
 402 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 403
 404         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
 405         handle the case when def is in the sese region.
 406         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
 407         for invariant expressions.
 408         (rewrite_cross_bb_phi_deps): Removed.
 409         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
 410         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
 411         rewrite_cross_bb_phi_deps.
 412
 413 2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>
 414
 415         * graphite-sese-to-poly.c
 416         (rewrite_commutative_reductions_out_of_ssa_loop): Call
 417         scev_analyzable_p only on is_gimple_reg
 418
 419         * gcc.dg/graphite/id-25.c: New.
 420
 421 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 422
 423         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
 424         (rewrite_close_phi_out_of_ssa): Propagate constant values or
 425         parametric expressions outside the scop region.
 426         (rewrite_cross_bb_scalar_deps): Same.
 427         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
 428
 429         * gcc.dg/graphite/run-id-5.c: New.
 430         * gcc.dg/graphite/run-id-6.c: New.
 431         * gfortran.dg/graphite/id-21.f: New.
 432
 433 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 434
 435         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
 436         SSA_NAME_DEF_STMT only on SSA_NAMEs.
 437
 438         * gcc.dg/graphite/id-24.c: New.
 439
 440 2010-07-22  Sebastian Pop  <sebastian.pop@amd.com>
 441
 442         * tree-scalar-evolution.c (instantiate_scev_name): Do not
 443         instantiate default definitions.
 444
 445 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 446
 447         * graphite-scop-detection.c (is_valid_stmt_p): New.
 448         (is_valid_bb_p): New.
 449
 450 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 451             Sebastian Pop  <sebastian.pop@amd.com>
 452
 453         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
 454         (loop_exits_from_bb_p): New.
 455         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
 456         (loop_exits_from_bb_p): Declared.
 457         * graphite-scop-detection.c (scopdet_basic_block_info): Call
 458         loop_exits_to_bb_p.
 459
 460 2010-07-20  Vladimir Kargov  <kargov@gmail.com>
 461
 462         * refined-regions.c: Include tree-pass.h, cfgloop.h, gimple.h, and
 463         tree-data-ref.h.
 464         (dot_regions_1): New.
 465         (dot_regions): New.
 466         * refined-regions.h (dot_regions): Declared.
 467         * Makefile.in (refined-regions.o): Update dependences.
 468
 469 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 470
 471         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
 472         extra parameter for the region.  Call scev_analyzable_p.
 473         (rewrite_reductions_out_of_ssa): Update call to
 474         rewrite_close_phi_out_of_ssa.
 475         (rewrite_cross_bb_phi_deps): Same.
 476         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
 477         parameter for the region.  Call scev_analyzable_p.
 478         (rewrite_commutative_reductions_out_of_ssa): Update call to
 479         rewrite_commutative_reductions_out_of_ssa_loop.
 480
 481 2010-07-20  Sebastian Pop  <sebastian.pop@amd.com>
 482
 483         * gcc.dg/tree-ssa/pr20742.c: New.
 484
 485 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 486
 487         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
 488
 489         * gcc.dg/graphite/id-23.c: New.
 490
 491 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 492
 493         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
 494         SSA scalar phi nodes that can be scev_analyzable_p.
 495
 496         * gfortran.dg/graphite/id-20.f: Adjust testcase.
 497
 498 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 499
 500         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
 501         handle SSA_NAME_IS_DEFAULT_DEF.
 502
 503 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
 506
 507         * gcc.dg/graphite/pr42729.c: New.
 508
 509 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 510
 511         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
 512         case non close-phi nodes with one argument.
 513
 514 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 515
 516         * sese.h (scev_analyzable_p): Scevs could be expressions without
 517         chrecs and still be scev_analyzable_p.
 518
 519 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
 522
 523 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 524
 525         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
 526         * cfgloop.h (struct loop): Remove single_iv field.
 527         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
 528         (scop_canonicalize_loops): Removed.
 529         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
 530         over all the loop phi nodes in loop->header.
 531         (build_poly_scop): Remove use of scop_canonicalize_loops.
 532
 533 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
 536         handle GIMPLE_CALL.
 537
 538 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 539
 540         * tree-chrec.c (chrec_apply): Should only apply to the specified
 541         variable.  Also handle multivariate chains of recurrences that
 542         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
 543
 544 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 545
 546         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
 547         (debug_clast_name_indexes_1): Removed.
 548         (debug_clast_name_indexes): Removed.
 549         (pbb_to_depth_to_oldiv): Removed.
 550         (build_iv_mapping): Replace the use of rename_map with iv_map.
 551         (translate_clast_user): Remove uses of rename_map.  Allocate and
 552         free iv_map.
 553         (translate_clast_for_loop): Remove uses of rename_map.
 554         (translate_clast_for): Same.
 555         (translate_clast_guard): Same.
 556         (translate_clast): Same.
 557         (gloog): Same.
 558         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
 559         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
 560         * sese.c (set_rename): Now static.
 561         (rename_variables_in_stmt): Removed.
 562         (rename_uses): New.
 563         (is_parameter): Removed.
 564         (is_iv): Removed.
 565         (expand_scalar_variables_call): Removed.
 566         (expand_scalar_variables_ssa_name): Removed.
 567         (expand_scalar_variables_expr): Removed.
 568         (expand_scalar_variables_stmt): Removed.
 569         (expand_scalar_variables): Removed.
 570         (rename_variables): Removed.
 571         (remove_condition): Removed.
 572         (get_true_edge_from_guard_bb): Removed.
 573         (get_false_edge_from_guard_bb): Removed.
 574         (struct igp): Removed.
 575         (default_before_guard): Removed.
 576         (convert_for_phi_arg): Removed.
 577         (add_guard_exit_phis): Removed.
 578         (insert_guard_phis): Removed.
 579         (graphite_copy_stmts_from_block): Now also uses iv_map and a
 580         region.  Do not copy conditions.  Do not copy induction variables.
 581         Call rename_uses.
 582         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
 583         the translated statement.  Use the iv_map for the induction
 584         variable renaming.
 585         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
 586         (set_rename): Removed declaration.
 587         (scev_analyzable_p): ...here.
 588         * tree-chrec.c (chrec_apply_map): New.
 589         * tree-chrec.h (chrec_apply_map): Declared.
 590
 591 2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
 594         insert_loop_close_phis.
 595         * sese.c (name_defined_in_loop_p): Removed.
 596         (expr_defined_in_loop_p): Removed.
 597         (alive_after_loop): Removed.
 598         (close_phi_not_yet_inserted_p): Removed.
 599         (struct alep): Removed.
 600         (add_loop_exit_phis): Removed.
 601         (insert_loop_close_phis): Removed.
 602
 603 2010-07-15  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 604
 605         * graphite-cloog-util.c (cloog_matrix_to_ppl_constraint): Fix flipped
 606         condition.
 607         * graphite-poly.c (psct_scattering_dim_for_loop_depth): Same.
 608
 609 2010-07-07  Sebastian Pop  <sebastian.pop@amd.com>
 610
 611         * gfortran.dg/graphite/id-20.f: New.
 612
 613 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 614
 615         * graphite-cloog-util.h: Added cloog.h.
 616         * graphite-blocking.c: Removed cloog.h.
 617         * graphite-dependences.c: Same.
 618         * graphite-interchange.c: Same.
 619         * graphite-poly.c: Same.
 620         * graphite-ppl.c: Same.
 621         * graphite-scop-detection.c: Same.
 622         * graphite-sese-to-poly.c:
 623         Removed cloog.h.
 624         Removed graphite-clast-to-gimple.h.
 625         (check_poly_representation): Removed (unused).
 626         * graphite-sese-to-poly.h
 627         (check_poly_representation): Removed (unused).
 628
 629 2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 630
 631         * Makefile.in
 632         (OBJS-common): Added graphite-cloog-util.o.
 633         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
 634         (graphite-cloog-util.o): New.
 635         (graphite-ppl.o): Added graphite-cloog-util.h.
 636         * graphite-clast-to-gimple.c:
 637         Added graphite-cloog-util.h to include statements.
 638         * graphite-cloog-util.c: New.
 639         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
 640         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 641         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 642         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 643         (ppl_Constrain_System_number_of_constraints): Same.
 644         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 645         (oppose_constraint): Same.
 646         (cloog_matrix_to_ppl_constraint): Same.
 647         (new_Constraint_System_from_Cloog_Matrix): Same.
 648         (insert_constraint_into_matrix): Same. Declared static.
 649         * graphite-cloog-util.h: New.
 650         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
 651         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 652         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 653         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 654         (insert_constraint_into_matrix): Same.
 655         * graphite-ppl.c:
 656         Added graphite-cloog-util.h to include statements.
 657         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
 658         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 659         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 660         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 661         (insert_constraint_into_matrix): Same.
 662         (ppl_Constrain_System_number_of_constraints): Same.
 663         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
 664         (oppose_constraint): Same.
 665         (cloog_matrix_to_ppl_constraint): Same.
 666         (new_Constraint_System_from_Cloog_Matrix): Same.
 667         * graphite-ppl.h:
 668         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
 669         graphite-cloog-util.h.
 670         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
 671         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 672         (new_C_Polyhedron_from_Cloog_Matrix): Same.
 673         (insert_constraint_into_matrix): Removed.
 674
 675 2010-07-04  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 676
 677         * graphite-clast-to-gimple.c
 678         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
 679         (precision_for_interval): Same.
 680         (gcc_type_for_interval): Same.
 681         (compute_type_for_level): Same.
 682         * graphite-interchange.c
 683         (lst_interchange_profitable_p): Same.
 684         * graphite-poly.c
 685         (psct_scattering_dim_for_loop_depth): Same.
 686         * graphite-ppl.c
 687         (ppl_max_for_le_pointset): Same.
 688         (ppl_min_for_le_pointset): Same.
 689
 690 2010-06-25  Vladimir Kargov  <kargov@gmail.com>
 691
 692         * refined-regions.c (bb_index_compare): New.
 693         (get_bbs_in_region): New.
 694         (print_bbs_in_region): New.
 695         (print_refined_region): Add an argument that allows to print
 696         all basic blocks contained in regions.
 697         (debug_refined_region): Update call to print_refined_region.
 698         * refined-regions.h (print_refined_region): Update declaration.
 699         (get_bbs_in_region): Declared.
 700         * graphite-scop-detection.c (build_scops_new): Print the refined
 701         region tree into the Grahite dump file.
 702
 703 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
 706         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
 707
 708 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 709
 710         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
 711         rewrite_close_phi_out_of_ssa.
 712
 713         * gcc.dg/graphite/id-22.c: New.
 714
 715 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 716
 717         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
 718
 719 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 720
 721         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
 722         rename_map.
 723         * sese.c (debug_rename_map): Same.
 724         (get_rename): Same.
 725         (set_rename): Same.
 726         (rename_variables_in_stmt): Same.
 727         (expand_scalar_variables_call): Same.
 728         (expand_scalar_variables_ssa_name): Same.
 729         (expand_scalar_variables_expr): Same.
 730         (expand_scalar_variables_stmt): Same.
 731         (expand_scalar_variables): Same.
 732         (rename_variables): Same.
 733         (graphite_copy_stmts_from_block): Same.
 734         (copy_bb_and_scalar_dependences): Same.
 735
 736 2010-06-24  Sebastian Pop  <sebastian.pop@amd.com>
 737
 738         * graphite-clast-to-gimple.c (copy_renames): Removed.
 739         (translate_clast_for): Do not call copy_renames.
 740         (translate_clast_guard): Same.
 741
 742 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 743
 744         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
 745         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
 746         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
 747         before rewrite_cross_bb_scalar_deps.
 748
 749 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 750
 751         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
 752         Early return in when flag_associative_math is not set.
 753
 754 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 755
 756         * gcc.dg/graphite/run-id-2.c: Call abort.
 757
 758 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 759
 760         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
 761         of SSA copies on edges except for loop->latch.
 762
 763 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 764
 765         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
 766         Split out of rewrite_reductions_out_of_ssa.
 767         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
 768         Declared.
 769         * graphite.c (graphite_transform_loops): Call it.
 770
 771 2010-06-23  Sebastian Pop  <sebastian.pop@amd.com>
 772
 773         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
 774
 775 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
 776
 777         * passes.c (init_optimization_passes): Add pass_graphite.
 778         Schedule a pass_copy_prop before pass_graphite_transforms.
 779         * timevar.def (TV_GRAPHITE): Declared.
 780         * tree-pass.h (pass_graphite): Declared.
 781         * tree-ssa-loop.c (pass_graphite): New.
 782
 783         * gcc.dg/graphite/id-20.c: New.
 784
 785 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 786
 787         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
 788         Remove calls to rename_nb_iterations and rename_sese_parameters.
 789         * graphite-clast-to-gimple.h (gloog): Update declaration.
 790         * graphite.c (graphite_transform_loops): Update call to gloog.
 791         * sese.c (rename_variables_in_expr): Removed.
 792         (rename_nb_iterations): Removed.
 793         (rename_sese_parameters): Removed.
 794         * sese.h (rename_nb_iterations): Removed.
 795         (rename_sese_parameters): Removed.
 796
 797 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 798
 799         * graphite-clast-to-gimple.c (gloog): Remove call to
 800         sese_adjust_liveout_phis.
 801         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
 802         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
 803         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
 804         rewrite_phi_out_of_ssa.
 805         * sese.c (get_vdef_before_sese): Removed.
 806         (sese_adjust_vphi): Removed.
 807         (sese_adjust_liveout_phis): Removed.
 808         * sese.h (sese_adjust_liveout_phis): Removed.
 809
 810 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 811
 812         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
 813         argument for the place after which to insert the out of SSA copy.
 814         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
 815         (rewrite_phi_out_of_ssa): Same.
 816         (rewrite_cross_bb_scalar_deps): Same.
 817         (insert_copyout): Removed.
 818         (insert_copyin): Removed.
 819         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
 820         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
 821         insert_copyin.
 822
 823 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 824
 825         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
 826         (rewrite_reductions_out_of_ssa): Same.
 827         (rewrite_commutative_reductions_out_of_ssa): Same.
 828         (build_poly_scop): Do not call these functions.
 829         * graphite-sese-to-poly.h (build_poly_scop): Declared.
 830         (rewrite_reductions_out_of_ssa): Declared.
 831         (rewrite_commutative_reductions_out_of_ssa): Declared.
 832         * graphite.c (graphite_transform_loops): Call on every scop
 833         rewrite_commutative_reductions_out_of_ssa before calling
 834         rewrite_reductions_out_of_ssa and build_scop_bbs.
 835
 836 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
 837
 838         * graphite-dependences.c (dot_deps): Make system call to dotty run
 839         in background.
 840         (dot_deps_stmt): Same.
 841         * graphite-poly.c (dot_lst): Same.
 842
 843 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
 844
 845         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
 846         old_type in parameter.
 847         (gcc_type_for_value): Update call to gcc_type_for_interval.
 848         (compute_type_for_level_1): Renamed compute_type_for_level.
 849         Update call to gcc_type_for_interval.
 850
 851 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 852
 853         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
 854         the scev analysis when the variable is not used outside the loop
 855         in a close phi node: call compute_overall_effect_of_inner_loop.
 856
 857 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 858
 859         * graphite-sese-to-poly.c (single_pred_cond): Renamed
 860         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
 861         (build_sese_conditions_before): Renamed call to single_pred_cond.
 862         (build_sese_conditions_after): Same.
 863
 864 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
 865
 866         * graphite-poly.h: Fix comments and indentation.
 867         * graphite-sese-to-poly.c: Same.
 868         (build_sese_conditions_before): Compute stmt and gbb only when needed.
 869         * tree-chrec.c: Fix comments and indentation.
 870         (tree-ssa-loop-niter.c): Same.
 871
 872 2010-06-08  Tobias Grosser  <grosser@fim.uni-passau.de>
 873
 874         * refined-regions.c (create_region): Only initialize the region.
 875         (find_regions_with_entry): Initialize parent relation and bbmap
 876         correctly.
 877         (build_regions_tree): Set outermost_region to region instead of
 878         topmost_region.
 879         (calculate_region_tree): Remove unneeded parameters.
 880
 881 2010-06-02  Tobias Grosser  <grosser@fim.uni-passau.de>
 882
 883         * graphite-scop-detection.c (is_scop_p): New.
 884         (build_scops_new): New. A skeleton for the new scop detection.
 885         (build_scops_old): Renamed from build_scops.
 886         (build_scops): New version. Call the new and the old scop
 887         detection.
 888
 889 2010-05-27  Tobias Grosser  <grosser@fim.uni-passau.de>
 890             Antoniu Pop  <antoniu.pop@gmail.com>
 891
 892         * Makefile.in (OBJS-common): Add refined-regions.o.
 893         (refined-regions.o): New.
 894         (graphite-scop-detection.o): Use refined-regions.h.
 895         * graphite-scop-detection.c: Include refined-regions.h
 896         (build_scops): Also build the refined region tree.
 897         * refined-regions.c: New. Adds an algorithm to detect refined
 898         regions.
 899         (print_refined_region): New.
 900         (debug_refined_region): New.
 901         (refined_region_contains_bb_p): New.
 902         (refined_region_contains_region_p): New.
 903         (is_common_df): New.
 904         (struct find_regions_global_data): New.
 905         (is_region): New.
 906         (typedef struct bb_bb_def): New.
 907         (new_bb_bb_def): New.
 908         (bb_bb_map_hash): New.
 909         (eq_bb_bb_map): New.
 910         (find_new_bb): New.
 911         (bb_reg_def): New.
 912         (new_bb_reg_def): New.
 913         (bb_reg_map_hash): New.
 914         (eq_bb_reg_map): New.
 915         (find_new_region): New.
 916         (insert_new_reg): New.
 917         (insert_new_bb): New.
 918         (insert_shortcut): New.
 919         (get_next_postdom): New.
 920         (create_region): New.
 921         (find_regions_with_entry): New.
 922         (find_regions_adc): New.
 923         (find_regions): New.
 924         (get_topmost_parent): New.
 925         (build_regions_tree): New.
 926         (calculate_region_tree): New.
 927         (free_region_tree): New.
 928         * refined-regions.h: New.
 929         (struct refined_region): New.
 930         (calculate_region_tree): New.
 931         (free_region_tree): New.
 932         (refined_region_contains_bb_p): New.
 933         (refined_region_contains_region_p): New.
 934         (print_refined_region): New.
 935         (debug_refined_region): New.
 936
 937 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
 938
 939         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
 940         size_one_node.
 941
 942 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 943
 944         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Fix
 945         type of integer_one_node for fold_build of POINTER_PLUS_EXPR.
 946
 947 2010-05-07  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
 950         phi_arg_in_outermost_loop.
 951         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
 952         (remove_invariant_phi): Same.
 953
 954 2010-04-12  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
 955
 956         * graphite-blocking.c
 957         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
 958         * graphite-clast-to-gimple.c
 959         (clast_to_gcc_expression): Same.
 960         (precision_for_value): Same.
 961         (precision_for_interval): Same.
 962         (gcc_type_for_interval): Same.
 963         (graphite_create_new_guard): Same.
 964         (compute_bounds_for_level): Same.
 965         (graphite_create_new_loop_guard): Same.
 966         * graphite-interchange.c
 967         (build_linearized_memory_access): Same.
 968         (pdr_stride_in_loop): Same.
 969         (memory_strides_in_loop_1): Same.
 970         (memory_strides_in_loop): Same.
 971         (extend_scattering): Same.
 972         (psct_scattering_dim_for_loop_depth): Same.
 973         (pbb_number_of_iterations): Same.
 974         * graphite-poly.h
 975         (debug_iteration_domains): Same.
 976         * graphite-ppl.c
 977         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
 978         (ppl_set_inhomogeneous_gmp): Same.
 979         (ppl_strip_loop): Same.
 980         (ppl_lexico_compare_linear_expressions): Same.
 981         (ppl_read_polyhedron_matrix): Same.
 982         (ppl_max_for_le_pointset): Same.
 983         * graphite-ppl.h
 984         (ppl_read_polyhedron_matrix): Same.
 985         (tree_int_to_gmp): Same.
 986         (gmp_cst_to_tree): Same.
 987         (ppl_set_inhomogeneous): Same.
 988         (ppl_set_inhomogeneous_tree): Same.
 989         (ppl_set_coef): Same.
 990         (ppl_set_coef_tree): Same.
 991         * graphite-sese-to-poly.c
 992         (build_pbb_scattering_polyhedrons): Same.
 993         (build_scop_scattering): Same.
 994         (scan_tree_for_params_right_scev): Same.
 995         (scan_tree_for_params): Same.
 996         (find_params_in_bb): Same.
 997         (find_scop_parameters): Same.
 998         (add_upper_bounds_from_estimated_nit): Same.
 999         (build_loop_iteration_domains): Same.
1000         (add_condition_to_domain): Same.
1001         (pdr_add_memory_accesses): Same.
1002
1003 2010-04-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
1004
1005         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1006         CLooG's value_* macros to their respective mpz_* counterparts.
1007         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1008         (graphite_create_new_loop_guard): Same.
1009         * graphite-interchange.c (build_linearized_memory_access): Same.
1010         (pdr_stride_in_loop): Same.
1011         (memory_strides_in_loop_1): Same.
1012         (1st_interchange_profitable_p): Same.
1013         * graphite-poly.c (extend_scattering): Same.
1014         (psct_scattering_dim_for_loop_depth): Same.
1015         (pbb_number_of_iterations): Same.
1016         (pbb_number_of_iterations_at_time): Same.
1017         * graphite-poly.h (new_1st_loop): Same.
1018         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1019         (oppose_constraint): Same.
1020         (insert_constraint_into_matrix): Same.
1021         (ppl_set_inhomogeneous_gmp): Same.
1022         (ppl_set_coef_gmp): Same.
1023         (ppl_strip_loop): Same.
1024         (ppl_lexico_compare_linear_expressions): Same.
1025         (ppl_max_for_le_pointset): Same.
1026         (ppl_min_for_le_pointset): Same.
1027         (ppl_build_realtion): Same.
1028         * graphite-ppl.h (gmp_cst_to_tree): Same.
1029         (ppl_set_inhomogeneous): Same.
1030         (ppl_set_inhomogeneous_tree): Same.
1031         (ppl_set_coef): Same.
1032         (ppl_set_coef_tree): Same.
1033         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1034         (build_scop_scattering): Same.
1035         (add_value_to_dim): Same.
1036         (scan_tree_for_params_right_scev): Same.
1037         (scan_tree_for_params_int): Same.
1038         (scan_tree_for_params): Same.
1039         (find_params_in_bb): Same.
1040         (find_scop_parameters): Same.
1041         (add_upper_bounds_from_estimated_nit): Same.
1042         (build_loop_iteration_domains): Same.
1043         (create_linear_expr_from_tree): Same.
1044         (add_condition_to_domain): Same.
1045         (pdr_add_memory_accesses): Same.
1046
1047 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1048
1049         PR middle-end/43519
1050         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1051         lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
1052         When converting an unsigned type to signed, double its precision.
1053         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1054         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1055         (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
1056
1057 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1058
1059         PR middle-end/43519
1060         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1061         build_nonstandard_integer_type.
1062         (gcc_type_for_interval): Same.
1063
1064 2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
1065
1066         PR middle-end/43519
1067         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1068         POINTER_PLUS_EXPR for pointer types.
1069
1070         * gcc.dg/graphite/id-19.c: New.
1071
1072 2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
1073
1074         PR middle-end/43519
1075         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1076         * graphite-clast-to-gimple.c: Include langhooks.h.
1077         (max_signed_precision_type): New.
1078         (max_precision_type): Takes two types as arguments.
1079         (precision_for_value): New.
1080         (precision_for_interval): New.
1081         (gcc_type_for_interval): New.
1082         (gcc_type_for_value): New.
1083         (gcc_type_for_clast_term): New.
1084         (gcc_type_for_clast_red): New.
1085         (gcc_type_for_clast_bin): New.
1086         (gcc_type_for_clast_expr): Split up into several functions.
1087         (gcc_type_for_clast_eq): Rewritten.
1088         (compute_bounds_for_level): New.
1089         (compute_type_for_level_1): New.
1090         (compute_type_for_level): New.
1091         (gcc_type_for_cloog_iv): Removed.
1092         (gcc_type_for_iv_of_clast_loop): Rewritten.
1093         (graphite_create_new_loop): Compute the lower and upper bound types
1094         with gcc_type_for_clast_expr.
1095         (graphite_create_new_loop_guard): Same.
1096         (find_cloog_iv_in_expr): Removed.
1097         (compute_cloog_iv_types_1): Removed.
1098         (compute_cloog_iv_types): Removed.
1099         (gloog): Do not call compute_cloog_iv_types.
1100         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1101         GBB_CLOOG_IV_TYPES.
1102         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1103         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1104         (GBB_CLOOG_IV_TYPES): Removed.
1105
1106         * gcc.dg/graphite/run-id-pr42644.c: Call abort.
1107
1108 2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>
1109
1110         Reverted this commit: as at this point the loop closed SSA form
1111         is under a canonical form respecting the single argument condition.
1112         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1113         close phi nodes may have more than one argument.
1114
1115 2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>
1116
1117         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1118         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1119         (detect_commutative_reduction): Same.
1120
1121 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
1122
1123         * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
1124         close phi nodes may have more than one argument.
1125
1126 2010-03-30  Richard Guenther  <rguenther@suse.de>
1127             Zdenek Dvorak  <ook@ucw.cz>
1128             Sebastian Pop  <sebastian.pop@amd.com>
1129
1130         PR middle-end/43464
1131         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1132         with multiple arguments.
1133         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1134
1135 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1136
1137         * graphite-dependences.c (print_pddr): Call print_pdr with an
1138         extra argument.
1139         * graphite-poly.c (debug_pdr): Add an extra argument for the
1140         verbosity level.
1141         (print_pdr): Same.
1142         (print_pbb_domain): Same.
1143         (print_pbb): Same.
1144         (print_scop_context): Same.
1145         (print_scop): Same.
1146         (print_cloog): Same.
1147         (debug_pbb_domain): Same.
1148         (debug_pbb): Same.
1149         (print_pdrs): Same.
1150         (debug_pdrs): Same.
1151         (debug_scop_context): Same.
1152         (debug_scop): Same.
1153         (debug_cloog): Same.
1154         (print_scop_params): Same.
1155         (debug_scop_params): Same.
1156         (print_iteration_domain): Same.
1157         (print_iteration_domains): Same.
1158         (debug_iteration_domain): Same.
1159         (debug_iteration_domains): Same.
1160         (print_scattering_function): Same.
1161         (print_scattering_functions): Same.
1162         (debug_scattering_function): Same.
1163         (debug_scattering_functions): Same.
1164         * graphite-poly.h (debug_pdr): Update declaration.
1165         (print_pdr): Same.
1166         (print_pbb_domain): Same.
1167         (print_pbb): Same.
1168         (print_scop_context): Same.
1169         (print_scop): Same.
1170         (print_cloog): Same.
1171         (debug_pbb_domain): Same.
1172         (debug_pbb): Same.
1173         (print_pdrs): Same.
1174         (debug_pdrs): Same.
1175         (debug_scop_context): Same.
1176         (debug_scop): Same.
1177         (debug_cloog): Same.
1178         (print_scop_params): Same.
1179         (debug_scop_params): Same.
1180         (print_iteration_domain): Same.
1181         (print_iteration_domains): Same.
1182         (debug_iteration_domain): Same.
1183         (debug_iteration_domains): Same.
1184         (print_scattering_function): Same.
1185         (print_scattering_functions): Same.
1186         (debug_scattering_function): Same.
1187         (debug_scattering_functions): Same.
1188
1189 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1190
1191         * graphite-poly.c (print_scattering_function_1): New.
1192         (print_scattering_function): Call it.
1193         (print_scop_params): Remove spaces at the end of lines.
1194         (print_cloog): New.
1195         (debug_cloog): New.
1196         * graphite-poly.h (print_cloog): Declared.
1197         (debug_cloog): Declared.
1198
1199 2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>
1200
1201         * tree-ssa-copy.c: Revert this previous change:
1202         (init_copy_prop): Loop closed phi nodes cancontain more than one
1203         argument.
1204         (execute_copy_prop): Revert the previous change: do not call
1205         rewrite_into_loop_closed_ssa.
1206
1207 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1208             Richard Guenther  <rguenther@suse.de>
1209
1210         PR middle-end/43464
1211         * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
1212         contain more than one argument.
1213         (execute_copy_prop): Revert the previous change: do not call
1214         rewrite_into_loop_closed_ssa.
1215
1216         * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
1217         * gcc.dg/graphite/id-pr43464-1.c: New.
1218
1219 2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         PR middle-end/43464
1222         * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
1223         and verify_loop_closed_ssa when copy prop is executed in the LNO.
1224
1225         * gcc.dg/graphite/id-pr43464.c: New.
1226
1227 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1228
1229         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1230         in loop->header.
1231         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1232         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1233         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1234         to switch between adding the IV bump in loop->latch or in loop->header.
1235
1236 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1237
1238         * passes.c (init_optimization_passes): Add pass_copy_prop
1239         after Graphite.
1240
1241 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
1242
1243         * graphite-poly.c (print_scattering_function): Pretty print following
1244         the scoplib format.
1245         (print_pdr): Same.
1246         (print_pbb_domain): Same.
1247         (dump_gbb_cases): Same.
1248         (dump_gbb_conditions): Same.
1249         (print_pdrs): Same.
1250         (print_pbb): Same.
1251         (print_scop_params): Same.
1252         (print_scop_context): Same.
1253         (print_scop): Same.
1254         (print_pbb_body): New.
1255         (lst_indent_to): New.
1256         (print_lst): Start new lines with a #.
1257         * graphite-poly.h (pbb_bb): New.
1258         (pbb_index): Use pbb_bb.
1259         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1260         disjuncts.
1261         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1262
1263 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1264
1265         PR middle-end/43351
1266         * gcc.dg/graphite/id-pr43351.c
1267
1268 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1269
1270         PR middle-end/43354
1271         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1272         call insert_out_of_ssa_copy for default definitions.
1273         * gfortran.dg/graphite/id-pr43354.f: New.
1274
1275 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
1276
1277         PR middle-end/43349
1278         * gfortran.dg/graphite/pr43349.f: New.
1279
1280 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
1281
1282         * graphite-clast-to-gimple.c (my_long_long): Defined.
1283         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1284         * graphite-sese-to-poly.c (my_long_long): Defined.
1285         (scop_ivs_can_be_represented): Use it.
1286
1287 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1288
1289         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1290         graphite-max-bbs-per-function, and loop-block-tile-size.
1291         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1292         with "maximum".
1293         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1294
1295 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1296
1297         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1298         forward declaration.
1299         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1300         (add_upper_bounds_from_estimated_nit): New.
1301         (build_loop_iteration_domains): Use it.
1302
1303 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1304
1305         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1306
1307 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1308
1309         PR middle-end/43306
1310         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1311         should be an INTEGER_CST.  Also handle CASE_CONVERT.
1312         * gcc.dg/graphite/pr43306.c: New.
1313
1314 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1315
1316         * graphite.c (graphite_initialize): To bound the number of bbs per
1317         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1318         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1319         * doc/invoke.texi: Document it.
1320
1321 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1324         * graphite-sese-to-poly.h (build_poly_scop): Same.
1325
1326 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
1327
1328         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1329         the number of parameters in the scop.  Use as an upper bound
1330         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1331         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1332         * doc/invoke.texi: Document it.
1333
1334 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1335
1336         * graphite-sese-to-poly.c (add_param_constraints): Use
1337         lower_bound_in_type and upper_bound_in_type.
1338
1339 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1342         instead of unsigned_type_node.
1343
1344 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1345             Reza Yazdani  <reza.yazdani@amd.com>
1346
1347         PR middle-end/43065
1348         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1349         on pointer type parameters.
1350
1351         * gcc.dg/graphite/run-id-4.c: New.
1352
1353 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
1354
1355         PR middle-end/43065
1356         * gcc.dg/graphite/run-id-3.c: New.
1357
1358 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
1359             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1360
1361         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1362         handle conversions from pointer to integers.
1363         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1364         induction variable, to be able to work with code generated by CLooG.
1365         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1366         (build_poly_scop): Bail out if we cannot codegen a loop.
1367
1368 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
1369
1370         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1371         code generation with gloog_error.
1372
1373 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1374
1375         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1376         Call fold_convert on all the returned values.
1377         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
1378         the type of the resulting expression.
1379
1380 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1381
1382         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1383         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1384         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1385
1386 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-dependences.c (map_into_dep_poly): Removed.
1389         (dependence_polyhedron_1): Use combine_context_id_scat.
1390
1391 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
1392
1393         * graphite-poly.h (struct poly_scattering): Add layout documentation.
1394         (struct poly_bb): Same.
1395         (combine_context_id_scat): New.
1396
1397 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         PR middle-end/42326
1400         * sese.c (name_defined_in_loop_p): Return false for default
1401         definitions.
1402
1403         * gcc.dg/graphite/pr42326.c: New.
1404
1405 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1406
1407         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1408         and clean up the logic.
1409
1410 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1411
1412         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1413         early return.
1414
1415 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1416
1417         PR middle-end/43083
1418         * graphite-scop-detection.c (create_single_exit_edge): Move
1419         the call to find_single_exit_edge to....
1420         (create_sese_edges): ...here.  Don't handle multiple edges
1421         exiting the function.
1422         (build_graphite_scops): Don't handle multiple edges
1423         exiting the function.
1424
1425         * gcc.dg/graphite/pr43083.c: New.
1426
1427 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1428
1429         PR middle-end/43097
1430         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1431         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1432
1433         * gfortran.dg/graphite/pr43097.f: New.
1434
1435 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1436             Manuel López-Ibáñez  <manu@gcc.gnu.org>
1437
1438         PR middle-end/43140
1439         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
1440
1441 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         PR middle-end/43026
1444         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1445
1446         * g++.dg/graphite/pr43026.C: New.
1447
1448 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
1449
1450         * Merge from mainline (154736:156693).
1451
1452 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
1453
1454         PR middle-end/43012
1455         * gcc.dg/graphite/pr43012.c: New.
1456
1457 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1458
1459         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
1460 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1461
1462         * g++.dg/graphite/pr42930.C: New.
1463
1464 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1465
1466         PR middle-end/42930
1467         * graphite-scop-detection.c (graphite_can_represent_scev): Call
1468         graphite_can_represent_init for MULT_EXPR.
1469
1470 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         PR middle-end/42914
1473         PR middle-end/42530
1474         * graphite-sese-to-poly.c (remove_phi): New.
1475         (translate_scalar_reduction_to_array): Call remove_phi.
1476
1477         * gcc.dg/graphite/pr42530.c: New.
1478         * gcc.dg/graphite/pr42914.c: New.
1479
1480 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
1481
1482         PR middle-end/42771
1483         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1484         * graphite-clast-to-gimple.h (gloog): Update declaration.
1485         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1486         * graphite-poly.h (struct poly_bb): Add missing comments.
1487         (struct scop): Add poly_scop_p field.
1488         (POLY_SCOP_P): New.
1489         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1490         * graphite.c (graphite_transform_loops): Build the polyhedral
1491         representation for each scop before code generation.
1492         * sese.c (rename_variables_in_operand): Removed.
1493         (rename_variables_in_expr): Return the renamed expression.
1494         (rename_sese_parameters): New.
1495         * sese.h (rename_sese_parameters): Declared.
1496
1497         * gcc.dg/graphite/pr42771.c: New.
1498
1499 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1500
1501         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
1502         return 0 from main.
1503         * gcc.dg/graphite/block-1.c: Same.
1504         * gcc.dg/graphite/block-3.c: Same.
1505         * gcc.dg/graphite/block-4.c: Same.
1506         * gcc.dg/graphite/block-5.c: Same.
1507         * gcc.dg/graphite/block-6.c: Same.
1508         * gcc.dg/graphite/block-7.c: Same.
1509         * gcc.dg/graphite/interchange-0.c: Same.
1510         * gcc.dg/graphite/interchange-1.c: Same.
1511         * gcc.dg/graphite/interchange-10.c: Same.
1512         * gcc.dg/graphite/interchange-11.c: Same.
1513         * gcc.dg/graphite/interchange-12.c: Same.
1514         * gcc.dg/graphite/interchange-2.c: Same.
1515         * gcc.dg/graphite/interchange-3.c: Same.
1516         * gcc.dg/graphite/interchange-4.c: Same.
1517         * gcc.dg/graphite/interchange-5.c: Same.
1518         * gcc.dg/graphite/interchange-6.c: Same.
1519         * gcc.dg/graphite/interchange-7.c: Same.
1520         * gcc.dg/graphite/interchange-8.c: Same.
1521         * gcc.dg/graphite/interchange-9.c: Same.
1522         * gcc.dg/graphite/interchange-mvt.c: Same.
1523
1524 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1525
1526         * gfortran.dg/graphite/id-19.f: New.
1527         * gfortran.dg/graphite/pr14741.f90: New.
1528         * gfortran.dg/graphite/pr41924.f90: New.
1529         * gfortran.dg/graphite/run-id-2.f90: New.
1530
1531 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1532
1533         PR middle-end/42988
1534         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1535         to unknown_dependence.
1536         (graphite_legal_transform_dr): Handle the unknown_dependence.
1537         (graphite_carried_dependence_level_k): Same.
1538
1539 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
1540
1541         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1542
1543 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
1544             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
1545
1546         PR middle-end/42637
1547         * graphite-dependences.c (build_lexicographical_constraint): Return
1548         a union of dependence polyhedra.
1549         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
1550
1551         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
1552         * gcc.dg/graphite/block-4.c: Same.
1553         * gcc.dg/graphite/block-7.c: Same.
1554         * gcc.dg/graphite/interchange-12.c: Same.
1555         * gcc.dg/graphite/interchange-mvt.c: Same.
1556         * gfortran.dg/graphite/interchange-1.f: XFAILed.
1557         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
1558         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
1559
1560 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1561
1562         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
1563         the execution check to FAIL.  This testcase is miscompiled by Graphite
1564         and the check should be re-enabled.
1565         * gcc.dg/graphite/interchange-mvt.c: Same.
1566         * gcc.dg/graphite/block-0.c: Same.
1567         * gcc.dg/graphite/block-4.c: Same.
1568         * gcc.dg/graphite/block-7.c: Same.
1569
1570 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1571
1572         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
1573         * gcc.dg/graphite/scop-0.c: Fix spaces.
1574         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
1575         * gfortran.dg/graphite/block-2.f: Same.
1576         * gfortran.dg/graphite/block-3.f90: Same.
1577         * gfortran.dg/graphite/block-4.f90: Same.
1578         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
1579         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
1580
1581 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1582
1583         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
1584         PDDR_ORIGINAL_SCATTERING_P.
1585         (pddr_is_empty): Rewritten.
1586         (print_dependence_polyhedron_layout): New.
1587         (print_pddr): New.
1588         (debug_pddr): New.
1589         (build_alias_set_powerset): Moved up.
1590         (poly_drs_may_alias_p): Moved up.
1591         (lexicographically_gt_p): Removed.
1592         (build_lexicographically_gt_constraint): Renamed
1593         build_lexicographical_constraint, reimplemented.
1594         (dependence_polyhedron_1): Simplified parameters.
1595         (dependence_polyhedron): Same.  Keep along empty PDDRs
1596         to make efficient use of the cache.
1597         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
1598         (graphite_legal_transform_dr): Rewritten.
1599         (graphite_legal_transform_bb): Pass fewer arguments to
1600         graphite_legal_transform_dr.
1601         (graphite_carried_dependence_level_k): Simplified implementation.
1602         (dot_original_deps_stmt_1): Call dependence_polyhedron.
1603         (dot_transformed_deps_stmt_1): Same.
1604         (dot_original_deps): Same.
1605         (dot_transformed_deps): Same.
1606         * graphite-dependences.h (struct poly_ddr): Added a new field
1607         original_scattering_p.
1608         (PDDR_ORIGINAL_SCATTERING_P): New.
1609         (print_pddr): Declared.
1610         (debug_pddr): Declared.
1611         * graphite-ppl.c: Clarify comment.
1612         * sese.h (print_gimple_bb): Removed unused declaration.
1613         (debug_gbb): Same.
1614
1615 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * g++.dg/graphite/graphite.exp: Rewritten.
1618         * gcc.dg/graphite/graphite.exp: Rewritten.
1619         * gfortran.dg/graphite/graphite.exp: Rewritten.
1620         * gcc.dg/graphite/block-0.c: Added runtime test.
1621         * gcc.dg/graphite/block-1.c: Same.
1622         * gcc.dg/graphite/block-3.c: Same.
1623         * gcc.dg/graphite/block-4.c: Same.
1624         * gcc.dg/graphite/block-5.c: Same.
1625         * gcc.dg/graphite/block-6.c: Same.
1626         * gcc.dg/graphite/block-7.c: Same.
1627         * gcc.dg/graphite/interchange-0.c: Same.
1628         * gcc.dg/graphite/interchange-1.c: Same.
1629         * gcc.dg/graphite/interchange-10.c: Same.
1630         * gcc.dg/graphite/interchange-11.c: Same.
1631         * gcc.dg/graphite/interchange-12.c: Same.
1632         * gcc.dg/graphite/interchange-2.c: Same.
1633         * gcc.dg/graphite/interchange-3.c: Same.
1634         * gcc.dg/graphite/interchange-4.c: Same.
1635         * gcc.dg/graphite/interchange-5.c: Same.
1636         * gcc.dg/graphite/interchange-6.c: Same.
1637         * gcc.dg/graphite/interchange-7.c: Same.
1638         * gcc.dg/graphite/interchange-8.c: Same.
1639         * gcc.dg/graphite/interchange-9.c: Same.
1640         * gcc.dg/graphite/interchange-mvt.c: Same.
1641         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
1642
1643 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1644
1645         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
1646           background.
1647
1648 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1649
1650         * common.opt: Add -fgraphite-cloog-opts.
1651         * graphite-clast-to-gimple.c (set_cloog_options): Same.
1652         * opts.c (decode_options): Same.
1653
1654 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1655
1656         * gcc.dg/graphite/id-17.c: New.
1657         * gcc.dg/graphite/pr41888.c: New.
1658         * gcc.dg/graphite/scop-22.c: New.
1659         * gfortran.dg/graphite/pr40982.f90: New.
1660
1661 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         * graphite-dependences.c: Clarify comments.
1664         (build_pddr): Add an extra parameter direction.
1665         (graphite_legal_transform_dr): Use build_pddr.
1666         (dot_original_deps_stmt_1): Update use of build_pddr.
1667         (dot_transformed_deps_stmt_1): Same.
1668         (dot_original_deps): Same.
1669         (dot_transformed_deps): Same.
1670
1671         * gcc.dg/graphite/interchange-12.c: New.
1672         * gcc.dg/graphite/block-7.c: New.
1673
1674 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1675
1676         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
1677         (pddr_transformed_scattering): Removed.
1678         (graphite_legal_transform_dr): Use build_pddr.
1679         (dot_original_deps_stmt_1): Same.
1680         (dot_transformed_deps_stmt_1): Same.
1681         (dot_original_deps): Same.
1682         (dot_transformed_deps): Same.
1683
1684 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         * graphite-dependences.c (lexicographically_gt_p): Add comments.
1687         (build_lexicographically_gt_constraint): Same.
1688         (dependence_polyhedron_1): Same.
1689         (dependence_polyhedron): Same.
1690
1691 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1692
1693         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
1694         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
1695         (lexicographically_gt_p): Change type of direction to int.
1696         (build_lexicographically_gt_constraint): Same.
1697         (dependence_polyhedron_1): Same.
1698         (dependence_polyhedron): Same.
1699         (pddr_original_scattering): Use integers for direction.
1700         (pddr_transformed_scattering): Same.
1701         (graphite_legal_transform_dr): Same.
1702         (graphite_carried_dependence_level_k): Same.
1703
1704 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1705
1706         * graphite-dependences.c (build_pairwise_constraint): Renamed
1707         ppl_build_relation.  Moved...
1708         (dr_equality_constraints): Use ppl_build_relation.
1709         (build_pairwise_scheduling_equality): Same.
1710         (build_pairwise_scheduling_inequality): Same.
1711         * graphite-ppl.c (ppl_build_relation): ...here.
1712         * graphite-ppl.h (ppl_build_relation): Declared.
1713
1714 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1715
1716         PR middle-end/42681
1717         * graphite-clast-to-gimple.c (gloog_error): New static variable.
1718         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
1719         Set gloog_error when such an expression failed to be built.
1720         (translate_clast): Early return when gloog_error is set.
1721         (gloog): Clear gloog_error.  When gloog_error is set, call
1722         set_ifsese_condition to enable the original code.  Return the status
1723         of the code generation based on gloog_error.
1724         * sese.c (set_ifsese_condition): New.
1725         * sese.h (set_ifsese_condition): Declared.
1726
1727         * g++.dg/graphite/pr42681.C: New.
1728
1729 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         PR middle-end/42732
1732         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
1733         rename_nb_iterations.
1734         * sese.c (rename_variables_in_operand): New.
1735         (rename_variables_in_expr): New.
1736         (rename_nb_iterations): New.
1737         (sese_adjust_liveout_phis): Update the rename_map.
1738         * sese.h (rename_nb_iterations): Declared.
1739         * tree-scalar-evolution.c (scev_reset_htab): New.
1740         (scev_reset): Call scev_reset_htab.
1741         * tree-scalar-evolution.h (scev_reset_htab): Declared.
1742
1743         * gfortran.dg/graphite/pr42732.f: New.
1744
1745 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1746
1747         PR middle-end/42393
1748         * graphite-clast-to-gimple.c: Fix formatting.
1749         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
1750         (expr_defined_in_loop_p): New.
1751         (add_loop_exit_phis): Also handle full expressions: remove from
1752         the rename_map the expressions defined in the loop that we're closing.
1753
1754         * gfortran.dg/graphite/pr42393-1.f90: New.
1755         * gfortran.dg/graphite/pr42393.f90: Add new flags
1756         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
1757         make this testcase useful in the Graphite branch.
1758
1759 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         * graphite-scop-detection.c (exclude_component_ref): Removed.
1762         (is_simple_operand): Removed.
1763         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
1764
1765 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         PR middle-end/42221
1768         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1769         the array indexing of ADDR_EXPRs.
1770
1771         * gcc.dg/graphite/pr42221.c: New.
1772
1773 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         PR middle-end/42521
1776         * graphite.c (graphite_finalize): Call scev_reset.
1777         (graphite_transform_loops): Do not call scev_reset between the code
1778         generation of scops.
1779
1780         * gcc.dg/graphite/pr42521.c: New.
1781
1782 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1783
1784         * graphite-interchange.c (memory_stride_in_loop): Renamed
1785         pdr_stride_in_loop.
1786         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
1787         (memory_strides_in_loop): Memoize the memory strides per loop.
1788         (lst_interchange_profitable_p): Do not initialize to zero the memory
1789         strides.
1790         * graphite-poly.h (struct lst): Add a field memory_strides.
1791         (LST_LOOP_MEMORY_STRIDES): New.
1792         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
1793         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
1794
1795 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
1798         memory_strides_in_loop.  Gather memory strides on a whole loop.
1799         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
1800         (lst_interchange_profitable_p): Removed.
1801         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
1802
1803 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
1804
1805         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
1806         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
1807         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
1808         Remove context_loop and level.
1809
1810 2010-01-07  Richard Guenther  <rguenther@suse.de>
1811
1812         PR tree-optimization/42641
1813         * sese.c (rename_map_elt_info): Use the SSA name version, do
1814         not hash pointers.
1815
1816 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1817
1818         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
1819         blocked" only when both the strip mine and the interchange have
1820         been applied.
1821
1822         * gcc.dg/graphite/block-2.c: Removed.
1823         * gcc.dg/graphite/block-3.c: Add scan pattern.
1824         * gcc.dg/graphite/block-4.c: Same.
1825         * gcc.dg/graphite/block-5.c: Same.
1826         * gcc.dg/graphite/block-6.c: Same.
1827
1828 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
1829
1830         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
1831         before allocating a new one.
1832         (copy_renames): Check that slot is not NULL.
1833         (mark_bb_with_pbb): Same.
1834         (compute_cloog_iv_types_1): Same.
1835         * graphite-interchange.c (lst_perfect_nestify): Free the before,
1836         nest, and after LSTs.
1837         (lst_try_interchange_loops): Same.
1838
1839 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
1840
1841         PR middle-end/42178
1842         * graphite-interchange.c (lst_try_interchange_loops): Do not return
1843         the before, nest, and after LSTs.
1844         (lst_try_interchange): Removed.
1845         (lst_interchange_select_inner): Do not iterate over the LSTs if they
1846         were modified.
1847         (lst_interchange_select_outer): Apply interchange on the outer loop
1848         until there are no more changes in the inner loops.
1849
1850 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         Revert patch fixing PR middle-end/42221.
1853
1854 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         PR middle-end/42180
1857         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
1858         GIMPLE_CALL.
1859
1860         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
1861
1862 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         PR middle-end/42180
1865         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
1866         that contain only one statement.
1867
1868         * gfortran.dg/graphite/pr42180.f90: New.
1869
1870 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1871
1872         PR middle-end/42393
1873         * gfortran.dg/graphite/pr42393.f90: New.
1874
1875 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1876
1877         PR middle-end/42186
1878         * gfortran.dg/graphite/pr42186.f90: New.
1879
1880 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         PR middle-end/42205
1883         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
1884         Insert the reduction copy in the same block as the phi node.
1885         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
1886
1887         * gcc.dg/graphite/pr42205-1.c: New.
1888         * gcc.dg/graphite/pr42205-2.c: New.
1889
1890 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         PR middle-end/42221
1893         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
1894         the array indexing of ADDR_EXPRs.
1895
1896         * gcc.dg/graphite/pr42221.c: New.
1897
1898 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
1899
1900         PR middle-end/42178
1901         PR middle-end/42334
1902         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
1903         index.  Call lst_interchange_select_inner only once.
1904         (lst_interchange_select_inner): Update use of lst_try_interchange.
1905         (lst_interchange_select_outer): Update.
1906
1907 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1908
1909         PR middle-end/42178
1910         PR middle-end/42334
1911         * graphite-interchange.c (lst_try_interchange): Do not increment the
1912         the OUTER index when there is no AFTER kernel.  Do not increment the
1913         OUTER index for after processing the AFTER kernel.
1914         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
1915         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
1916         index.  Do not pass to lst_interchange_select_inner the OUTER index.
1917         (scop_do_interchange): Update use of lst_interchange_select_outer.
1918
1919         * gfortran.dg/graphite/graphite.exp
1920         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
1921         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
1922         the graphite dump file.
1923         * gfortran.dg/graphite/interchange-2.f: Same.
1924         * gfortran.dg/graphite/pr42334-1.f: New.
1925
1926 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
1927
1928         PR middle-end/42178
1929         PR middle-end/42334
1930         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
1931         that are empty.
1932         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
1933         (lst_try_interchange): Reimplemented.
1934         (lst_interchange_select_inner): Same.
1935         (lst_do_interchange): Renamed lst_interchange_select_outer.
1936         Reimplemented.
1937         (scop_do_interchange): Update use of lst_interchange_select_outer.
1938
1939         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
1940         * gcc.dg/graphite/block-0.c: Un-XFAILed.
1941         * gcc.dg/graphite/pr42211.c: New.
1942         * gfortran.dg/graphite/pr42334.f90: New.
1943
1944 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
1945
1946         PR middle-end/42181
1947         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
1948         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
1949
1950         * gfortran.dg/graphite/pr42181.f90: New.
1951
1952 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
1953
1954         PR middle-end/42284
1955         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
1956         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
1957         (detect_commutative_reduction_arg): Simplified.
1958         (detect_commutative_reduction): Early return when the argument of
1959         the close phi is not of an SSA_NAME.
1960
1961         * gcc.dg/graphite/pr42284.c: New.
1962
1963 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
1964
1965         * dbgcnt.def (graphite_scop): New counter.
1966         * graphite.c: Include dbgcnt.h
1967         (graphite_transform_loops): Use new counter to limit transformations.
1968
1969 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
1970
1971         PR middle-end/42285
1972         * graphite-scop-detection.c (graphite_can_represent_init): Also
1973         handle more complex MULT_EXPRs containing parameters by recursion
1974         on the structure.
1975
1976         * gfortran.dg/graphite/pr42285.f90: New.
1977
1978 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
1979
1980         * g++.dg/graphite/pr42130.C: Fix type.
1981
1982 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
1983
1984         * g++.dg/graphite/pr42130.C: Correct testcase.
1985
1986 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1987
1988         * Merge from mainline (154493:154734).
1989
1990 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
1991
1992         * Merge from mainline (151362:154491).
1993
1994 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
1995
1996         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
1997         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
1998
1999 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2000
2001         PR middle-end/42130
2002         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
2003         translate_clast_for_loop): New.
2004         (translate_clast_for): Add a condition around the loop, to do not
2005         execute loops with zero iterations.
2006         * g++.dg/graphite/pr42130.C: New.
2007         * gcc.dg/graphite/pr35356-2.c: Adapt.
2008
2009 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2010
2011         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
2012         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
2013         Remove context_loop and level.
2014
2015 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2016
2017         * graphite-clast-to-gimple.c (translate_clast_user,
2018         translate_clast_for, translate_clast_guard): Simplify and move common
2019         elements to translate_clast().
2020         (translate_clast): Simplify and get common elements.
2021
2022 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2023
2024         * graphite-clast-to-gimple.c (translate_clast_user,
2025         translate_clast_for, translate_clast_guard): Split out of
2026         translate_clast.
2027
2028 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
2029
2030         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
2031         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
2032         debug_clast_name_indexes_1, debug_clast_name_indexes,
2033         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
2034         (clast_name_to_gcc, clast_to_gcc_expression,
2035         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
2036         gcc_type_for_clast_eq, graphite_translate_clast_equation,
2037         graphite_create_guard_cond_expr, graphite_create_new_loop,
2038         translate_clast): Add params_index.
2039         (initialize_cloog_names): Create parameter strings from scratch, do
2040         not reference other strings.
2041         (create_params_index): New.
2042         (gloog): Initialize params_index.
2043         * graphite-scop-detection (free_scops_1): Removed.
2044         (limit_scops): Use normal free_scops.
2045         * graphite-sese-to-poly.c (save_var_names): Removed.
2046         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
2047         and SESE_PARAMS_INDEX.
2048         * sese.c (new_sese, free_sese): Dito.
2049         * sese.h (struct sese): Remove params_index, params_names.
2050         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
2051
2052 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2053
2054         Revert the following patch from 2009-09-14:
2055         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2056         tree-scalar-evolution.h, and then tree-data-ref.h.
2057         * graphite-clast-to-gimple.c: Same.
2058         * graphite-dependences.c: Same.
2059         * graphite-interchange.c: Same.
2060         * graphite-poly.c: Same.
2061         * graphite-scop-detection.c: Same.
2062         * graphite-sese-to-poly.c: Same.
2063         * graphite.c: Same.
2064         * lambda-code.c: Same.
2065         * matrix-reorg.c: Same.
2066         * tree-data-ref.c: Same.
2067         * tree-if-conv.c: Same.
2068         * tree-loop-distribu: Same.: Same.
2069         * tree-loop-linear.c: Same.
2070         * tree-parloops.c: Same.
2071         * tree-predcom.c: Same.
2072         * tree-vect-patterns.c: Same.
2073
2074 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
2075
2076         Revert patch from 2009-09-14.
2077         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
2078         passes at -O1 and below.
2079
2080 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         PR middle-end/40281
2083         * gcc.dg/graphite/pr40281.c: New.
2084
2085         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
2086         evolutions should not variate in inner loops.
2087
2088 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2089
2090         PR middle-end/42050
2091         * gfortran.dg/graphite/pr42050.f90: New.
2092
2093 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2094
2095         * graphite-interchange.c (memory_strides_in_loop_depth): New.
2096         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
2097
2098 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2099
2100         * graphite-blocking.c (scop_do_block): New.
2101         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
2102         * graphite-poly.h (scop_do_block): Declared.
2103
2104 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2105
2106         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
2107         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
2108         to transform depth into the time_depth before calling
2109         pbb_number_of_iterations_at_time.
2110         (lst_do_strip_mine): Use a scalar variable instead of recomputing
2111         lst_depth.
2112
2113 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
2114
2115         Reverted the patch for "scattering permutations" from 2009-10-28.
2116
2117         * graphite-poly.c (print_permutation): New.
2118         (debug_permutation): New.
2119         (new_poly_bb): Initialize PBB_PERMUTATION.
2120         (free_poly_bb): Free PBB_PERMUTATION.
2121         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2122         (struct pbb_permutation_elt): New.
2123         (PBB_PERMUTATION_ELT_STRIDE): New.
2124         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2125         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2126         (new_pbb_permutation_elt): New.
2127         (pbb_permutation_elt_free): New.
2128         (struct poly_bb): Add field permutation.
2129         (PBB_PERMUTATION): New.
2130         (print_permutation): Declared.
2131         (debug_permutation): Declared.
2132
2133 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
2134
2135         * graphite-interchange.c (build_partial_difference): New.
2136         (memory_stride_in_loop): Refactored the computation of
2137         equality constraints into build_partial_difference function.
2138         Added support for debugging stride computations.
2139
2140 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2141
2142         * graphite-clast-to-gimple.c (gloog): Free if_region,
2143         if_region->true_region, and if_region->region.
2144         * sese.c (if_region_set_false_region): Free if_region->false_region.
2145         (create_if_region_on_edge): Do not use GGC_NEW.
2146         (move_sese_in_condition): Remove useless initialization.
2147
2148 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
2151         for the loops created by the loop distribution.  Do not modify the
2152         input LSTs.
2153         (lst_try_interchange_loops): Same.  Use a temporary LST for the
2154         transformed schedule.  Call lst_update_scattering before data
2155         dependence analysis.
2156         (lst_try_interchange): Pass an extra parameter INDEX.
2157         (lst_do_interchange_1): New.
2158         (lst_do_interchange): Call lst_do_interchange_1.
2159         (scop_do_interchange): Call lst_update_scattering.
2160         * graphite-poly.c (apply_poly_transforms): Do not call
2161         lst_update_scattering.
2162         * graphite-poly.h (lst_pred): New.
2163         (lst_succ): New.
2164         (lst_find_first_pbb): Return NULL when not found.
2165         (lst_empty_p): New.
2166         (lst_insert_in_sequence): Allow LST1 to be NULL.
2167         (lst_replace): New.
2168         (lst_substitute_3): New.
2169         * gcc.dg/graphite/interchange-1.c: XFail.
2170         * gcc.dg/graphite/interchange-8.c: XFail.
2171         * gcc.dg/graphite/interchange-11.c: XFail.
2172
2173 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2174
2175         * graphite-interchange.c (lst_perfectly_nested_p): New.
2176         (lst_perfect_nestify): New.
2177         (lst_try_interchange_loops): Call store_lst_schedule,
2178         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
2179         (scop_do_interchange): Avoid redundant legality test.
2180         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
2181         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
2182         * graphite-poly.h (psct_static_dim): New.
2183         (lst_dewey_number_at_depth): New.
2184         (lst_find_pbb): Restructured.
2185         (lst_find_first_pbb): Restructured.
2186         (lst_find_last_pbb): New.
2187         (lst_contains_p): New.
2188         (lst_contains_pbb): New.
2189         (lst_create_nest): New.
2190         (lst_remove_from_sequence): New.
2191         (pbb_update_scattering): New.
2192         (lst_update_scattering_under): New.
2193         (lst_update_scattering_seq): New.
2194         (lst_update_scattering): New.
2195         (lst_insert_in_sequence): New.
2196         (lst_distribute_lst): New.
2197         (lst_remove_all_before_including_pbb): New.
2198         (lst_remove_all_before_excluding_pbb): New.
2199
2200 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2201
2202         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
2203         get_loop_exit_edges.
2204
2205 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
2206
2207         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
2208
2209 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2210
2211         * graphite-poly.c (print_permutation): New.
2212         (debug_permutation): New.
2213         (new_poly_bb): Initialize PBB_PERMUTATION.
2214         (free_poly_bb): Free PBB_PERMUTATION.
2215         * graphite-poly.h (pbb_permutation_elt_p): Declared.
2216         (struct pbb_permutation_elt): New.
2217         (PBB_PERMUTATION_ELT_STRIDE): New.
2218         (PBB_PERMUTATION_ELT_STRIDED_P): New.
2219         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
2220         (new_pbb_permutation_elt): New.
2221         (pbb_permutation_elt_free): New.
2222         (struct poly_bb): Add field permutation.
2223         (PBB_PERMUTATION): New.
2224         (print_permutation): Declared.
2225         (debug_permutation): Declared.
2226
2227 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-clast-to-gimple.c (gloog): Do not call
2230         sese_reset_aux_in_loops.
2231         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
2232         extra argument for domains.  Do not use loop->aux.
2233         (build_scop_iteration_domain): Initialize and free domains, pass it
2234         to build_loop_iteration_domains and extract the information from
2235         domains.  Do not use loop->aux.
2236         * sese.c (sese_reset_aux_in_loops): Removed.
2237         * sese.h (sese_reset_aux_in_loops): Removed.
2238
2239 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
2240
2241         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
2242         (dependency_in_loop_p): Same.
2243         (translate_clast): Do not use loop->aux.  Initialize
2244         loop->can_be_parallel.
2245         (mark_loops_parallel): Removed.
2246         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
2247         * graphite.c (free_aux_in_new_loops): Removed.
2248         (graphite_finalize): Do not call free_aux_in_new_loops.
2249         (graphite_transform_loops): Do not call mark_loops_parallel.
2250
2251 2009-10-26  Li Feng  <nemokingdom@gmail.com>
2252
2253         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
2254         (translate_clast): Pass an extra parameter LEVEL.
2255         Call get_scattering_level.
2256         * graphite-clast-to-gimple.h (get_scattering_level): New.
2257
2258 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
2261         * cfgloop.h (struct loop): New field single_iv.
2262
2263         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
2264         loop->aux anymore: use loop->single_iv.
2265         (graphite_loop_normal_form): Moved...
2266         (build_graphite_loop_normal_form): Removed.
2267         (gloog): Do not call build_graphite_loop_normal_form.
2268         (free_aux_in_new_loops): Moved...
2269         (mark_loops_parallel): Restructure.
2270         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
2271         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
2272         (scop_canonicalize_loops): New.
2273         (build_poly_scop): Call scop_canonicalize_loops.
2274         * graphite.c (free_aux_in_new_loops): ...here.
2275
2276 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2277
2278         * g++.dg/graphite/graphite.exp: Add the same rules as in
2279         gcc.dg/graphite/graphite.exp.
2280
2281 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * g++.dg/graphite/id-1.C: New.
2284
2285 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
2288         argument base_name.
2289         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
2290         (rewrite_phi_out_of_ssa): Same.
2291         (rewrite_cross_bb_scalar_deps): Same.
2292         (translate_scalar_reduction_to_array): Same.
2293
2294 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
2297         dump_alias_graphs.
2298
2299 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2300
2301         * graphite-sese-to-poly.c (dump_alias_graphs): New.
2302         (build_scop_drs): Call dump_alias_graphs.
2303
2304 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2305
2306         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
2307         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2308         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
2309         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
2310         * graphite-poly.h (free_lst): New.
2311         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
2312         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
2313
2314 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
2315
2316         * graphite-poly.h (struct scop): Add a field saved_schedule.
2317         (SCOP_SAVED_SCHEDULE): New.
2318         (store_lst_schedule): New.
2319         (restore_lst_schedule): New.
2320         (store_scattering): Call store_lst_schedule.
2321         (restore_scattering): Call restore_lst_schedule.
2322
2323 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2324
2325         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
2326         (pdr_add_alias_set): Same.
2327         (build_poly_dr): Same.
2328         (build_alias_set_optimal_p): Same.
2329         (build_base_obj_set_for_drs): Same.  Do not store the result of
2330         graphds_dfs.
2331
2332 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2333
2334         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
2335         all_components_are_cliques to 1.
2336
2337 2009-10-20  Li Feng  <nemokingdom@gmail.com>
2338
2339         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
2340         the new structure.
2341         (pdr_add_alias_set): Update retrieving alias_set_num.
2342         (build_poly_dr): Update retrieving dr_base_object_set.
2343         (partition_drs_to_sets): Remove.
2344         (build_alias_set_optimal_p): New.
2345         (build_alias_set_for_drs): Rename.
2346         (build_scop_drs): Update.
2347         * graphite-sese-to-poly.h (struct base_alias_pair): New.
2348         (ALIAS_SET_INDEX): Remove.
2349         (BASE_OBJECT_SET_INDEX): Remove.
2350
2351 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2352
2353         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
2354
2355 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
2358         loop upper bounds for 1-element arrays at end of structures.
2359         * tree-flow.h (array_at_struct_end_p): Declared.
2360         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
2361
2362 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
2363
2364         * g++.dg/graphite/pr41305.C: New.
2365
2366 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
2367
2368         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
2369         construction of parameter constraints from loop iteration analysis.
2370         * gcc.dg/graphite/run-id-2.c: New test.
2371
2372 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2373
2374         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
2375         and new_cstr.
2376
2377 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2378
2379         * graphite-dependences.c (dependence_polyhedron_1): Remove
2380         unused gdim dimensions from the DDR polyhedron.
2381
2382 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-dependences.c (pddr_transformed_scattering): New.
2385         (dot_original_deps_stmt_1): New.
2386         (dot_transformed_deps_stmt_1): New.
2387         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
2388         dot_transformed_deps_stmt_1.
2389         (dot_original_deps): New.
2390         (dot_transformed_deps): New.
2391         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
2392
2393 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-dependences.c (reduction_dr_1): Remove wrong
2396         assert: reduction BBs can have multiple reduction writes
2397         to memory.  interchange-3.f90 is an example.
2398
2399 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * gfortran.dg/graphite/interchange-3.f90: New.
2402
2403 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
2406
2407 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2408
2409         * graphite-dependences.c (dependence_polyhedron_1): Add the
2410         context to the dependence polyhedron.
2411
2412 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2413
2414         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
2415         PBB_PDR_DUPLICATES_REMOVED.
2416         (new_poly_bb): Same.
2417
2418 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2419
2420         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
2421         SCOP_CONTEXT.
2422         (build_loop_iteration_domains): Extract bounds on parameters
2423         based on the data size.
2424         (build_scop_context): Do not initialize SCOP_CONTEXT;
2425         add new constraints.
2426
2427 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
2430         * graphite-ppl.h (graphite-ppl.h): Declared.
2431
2432 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
2433
2434         * graphite-ppl.c (ppl_print_linear_expr): New.
2435         (debug_ppl_linear_expr): New.
2436         * graphite-ppl.h (ppl_print_linear_expr): Declared.
2437         (debug_ppl_linear_expr): Declared.
2438
2439 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * graphite-interchange.c: Fix comments.
2442         * gcc.dg/graphite/block-1.c: Fix comments.
2443
2444 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
2447         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
2448
2449 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         Reapply the patch from Alexander Monakov that disappeared during
2452         the last merges from trunk.
2453
2454         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2455
2456         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2457         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2458
2459 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         * graphite-interchange.c (memory_stride_in_loop): The depth
2462         argument corresponds to a dynamic time dimension, so use
2463         psct_dynamic_dim to refer to the transformed scattering dimension.
2464
2465 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
2468
2469 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
2472         root of the LST.
2473         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
2474         the root of the LST.
2475         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
2476         fake loop.
2477         (print_lst): Print the root of LST in a different format.
2478         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
2479
2480 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
2483
2484 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2485
2486         * doc/passes.texi: Document the Graphite infrastructure.
2487
2488 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2489
2490         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
2491         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
2492         and check the SSA representation.
2493
2494         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
2495
2496 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
2497
2498         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
2499
2500 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * gcc.dg/graphite/interchange-11.c: New.
2503
2504 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2505
2506         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
2507
2508 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2509
2510         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2511         Add -fno-loop-strip-mine and -fno-loop-interchange.
2512         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
2513         -fno-loop-strip-mine.
2514         * gfortran.dg/graphite/graphite.exp: Same.
2515
2516 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2517
2518         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2519         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
2520         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
2521         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
2522         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
2523         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
2524         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
2525         DEFAULT_FLAGS_GRAPHITE_SCOP.
2526         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
2527         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
2528
2529 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2530
2531         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
2532
2533 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2534             Sebastian Pop  <sebastian.pop@amd.com>
2535
2536         * graphite-interchange.c (build_linearized_memory_access): Pass an
2537         offset as parameter.
2538         (memory_stride_in_loop): Include transform scattering in the
2539         access functions to be able to querry the strides in the
2540         transformed loops.
2541         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
2542         not the psct_iterator_dim.
2543
2544 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2545
2546         * graphite-blocking.c (pbb_do_strip_mine): Removed.
2547         (lst_do_strip_mine_loop): New.
2548         (lst_do_strip_mine): New.
2549         (scop_do_strip_mine): Call lst_do_strip_mine.
2550         * graphite-poly.h (lst_add_loop_under_loop): New.
2551         (lst_find_first_pbb): New.
2552
2553 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite-poly.c (loop_to_lst): Fix LST creation.
2556
2557 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2558
2559         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
2560         sizeof(unsigned long) to make it run on 32bit systems.
2561
2562 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
2563
2564         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
2565         SEGFAULT on 32bit.
2566
2567 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
2568
2569         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
2570         Comment.
2571         (write_alias_graph_to_ascii_dot): New.
2572         (write_alias_graph_to_ascii_ecc): Ditto.
2573         (partition_drs_to_sets): Add testing of optimality of current method
2574         which assigns alias numbers according to DFS Comopnent number.  used
2575         as heuristic for the upcoming ECC algorithm.
2576         (build_scop_drs): Write to file also with the ecc and dot format.
2577
2578 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2579
2580         * gfortran.dg/graphite/interchange-1.f: XFail.
2581
2582 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2583
2584         * graphite.c (graphite_initialize): Do not handle functions with
2585         more than 100 basic blocks.
2586
2587 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * graphite-blocking.c (pbb_do_strip_mine): Use
2590         PARAM_LOOP_BLOCK_TILE_SIZE.
2591
2592 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2593
2594         * graphite-poly.c (dot_lst_1): New.
2595         (dot_lst): New.
2596         * graphite-poly.h (dot_lst): Declared.
2597
2598 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
2599
2600         * graphite-dependences.c (dot_deps_stmt_1): New.
2601         (dot_deps_stmt): New.
2602         * graphite-dependences.h (dot_deps_stmt): Declared.
2603
2604 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2605
2606         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
2607         not replace cross BB scalar dependences ending on PHI nodes.
2608         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
2609
2610 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * graphite-poly.c (apply_poly_transforms): Implement the high
2613         level driver for flag_loop_block.
2614         * opts.c (decode_options): Enable flag_loop_block at -O2.
2615         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
2616         flag_loop_block.
2617
2618         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
2619         -floop-block.
2620         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
2621         Add -floop-block.
2622
2623 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2624
2625         * graphite-poly.h (lst_find_pbb): New.
2626         (find_lst_loop): New.
2627
2628 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2629
2630         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
2631         * graphite-poly.h (struct scop): Remove dep_graph field.
2632         (SCOP_DEP_GRAPH): Removed.
2633
2634 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
2635
2636         * graphite-poly.h (copy_lst): Do full copy of LST.
2637
2638 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
2639
2640         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
2641         when the loop stride is zero.
2642
2643         * gcc.dg/graphite/id-16.c: New.
2644
2645 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2646
2647         * graphite-dependences.c (reduction_dr_1): New.
2648         (reduction_dr_p): New.
2649         (graphite_legal_transform_dr): Call reduction_dr_p.
2650         (reduction_ddr): Renamed reduction_ddr_p.
2651         * graphite-poly.h (same_pdr_p): New.
2652         (number_of_write_pdrs): New.
2653         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
2654         (split_reduction_stmt): Do not split reduction statements
2655         when there are no writes to memory.
2656         (translate_scalar_reduction_to_array_for_stmt): Insert the
2657         memory reduction statement just after the scalar reduction statement.
2658
2659         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
2660         Un-XFAIL-ed.
2661         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
2662         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
2663
2664 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2665
2666         * graphite-interchange.c (lst_apply_interchange): New.
2667         (lst_interchange_profitable_p): New.
2668         (lst_try_interchange_loops): New.
2669         (lst_try_interchange): New.
2670         (lst_do_interchange): New.
2671         (pbb_do_interchange): Removed.
2672         (scop_do_interchange): Call lst_do_interchange.
2673
2674 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
2675
2676         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
2677         SCOP_TRANSFORMED_SCHEDULE.
2678         (loop_to_lst): New.
2679         (scop_to_lst): New.
2680         (print_lst): New.
2681         (debug_lst): New.
2682         * graphite-poly.h (lst_p): New.
2683         (struct lst): New.
2684         (LST_LOOP_P): New.
2685         (LST_LOOP_FATHER): New.
2686         (LST_PBB): New.
2687         (LST_SEQ): New.
2688         (scop_to_lst): Declared.
2689         (print_lst): Declared.
2690         (debug_lst): Declared.
2691         (new_lst_loop): New.
2692         (new_lst_stmt): New.
2693         (copy_lst): New.
2694         (lst_depth): New.
2695         (lst_dewey_number): New.
2696         (struct scop): Add original_schedule and transformed_schedule fields.
2697         (SCOP_ORIGINAL_SCHEDULE): New.
2698         (SCOP_TRANSFORMED_SCHEDULE): New.
2699         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
2700
2701 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-dependences.c (reduction_ddr): New.
2704         (graphite_legal_transform_bb): Call reduction_ddr.
2705         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
2706         Initialize PBB_IS_REDUCTION.
2707         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
2708         (PBB_IS_REDUCTION): New.
2709         (new_poly_bb): Update declaration.
2710         * graphite-scop-detection.h (build_scop_bbs): Removed.
2711         (nb_reductions_in_loop): Removed.
2712         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
2713         parameter for reductions.
2714         (try_generate_gimple_bb): Update call to new_poly_bb.
2715         (build_scop_bbs_1): Same.
2716         (build_scop_bbs): Same.
2717         (gsi_for_phi_node): New.
2718         (scalar_close_phi_node_p): Remove gcc_assert.
2719         (split_reduction_stmt): New.
2720         (is_reduction_operation_p): New.
2721         (phi_contains_arg): New.
2722         (follow_ssa_with_commutative_ops): New.
2723         (detect_commutative_reduction_arg): New.
2724         (detect_commutative_reduction_assign): New.
2725         (follow_inital_value_to_phi): New.
2726         (edge_initial_value_for_loop_phi): New.
2727         (initial_value_for_loop_phi): New.
2728         (detect_commutative_reduction): New.
2729         (translate_scalar_reduction_to_array_for_stmt): New.
2730         (insert_copyout): New.
2731         (insert_copyin): New.
2732         (translate_scalar_reduction_to_array): New.
2733         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
2734         (rewrite_commutative_reductions_out_of_ssa_loop): New.
2735         (rewrite_commutative_reductions_out_of_ssa): New.
2736         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
2737         * sese.h (split_region_for_bb): New.
2738
2739         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
2740         * gcc.dg/graphite/interchange-1.c: Fix format.
2741         * gcc.dg/graphite/interchange-10.c: New.
2742
2743 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
2746         buggy assert.
2747
2748 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * graphite-sese-to-poly.c (scev_analyzable_p): New.
2751         (rewrite_cross_bb_scalar_dependence): New.
2752         (rewrite_cross_bb_scalar_deps): New.
2753         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
2754         Call rewrite_cross_bb_scalar_deps.
2755
2756 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
2759         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
2760         gsi_for_stmt.
2761
2762 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
2765         * graphite-interchange.c (pbb_do_interchange): Same.
2766         * graphite-poly.c (print_scattering_function): Same.
2767         (debug_pdrs): Same.
2768         * graphite-poly.h (pbb_loop): New.
2769         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
2770
2771 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2772
2773         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
2774
2775 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
2778         so don't pass a pointer to it.
2779         (build_alias_set_for_drs): Same.
2780         (build_base_obj_set_for_drs): Same.
2781         (build_scop_drs): Same.
2782
2783 2009-09-26  Li Feng  <nemokingdom@gmail.com>
2784
2785         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
2786         the alias graph of data references.
2787
2788 2009-09-25  Li Feng  <nemokingdom@gmail.com>
2789
2790         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
2791         (build_scop_drs): When debugging, write the alias graph to file,
2792         otherwise, should be disabled.
2793
2794 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * Merge from mainline (151310:151361).
2797
2798 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2799
2800         * Merge from mainline (151171:151310).
2801
2802 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2803
2804         * Merge from mainline (151171:151806).
2805
2806 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2807
2808         * Revert the last commit.
2809
2810 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * Merge from mainline (151171:151819).
2813
2814 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
2815
2816         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
2817         (is_simple_operand): Remove call to stmt_simple_memref_p.
2818         (stmt_simple_for_scop_p): Update call to is_simple_operand.
2819
2820 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
2821
2822         * gcc.dg/graphite/interchange-mvt.c: New File.
2823         * gcc.dg/graphite/scop-dsyrk.c: New File.
2824         * gcc.dg/graphite/scop-dsyr2k.c: New File.
2825         * gcc.dg/graphite/scop-mvt.c: New File.
2826         * gcc.dg/graphite/scop-sor.c: New File.
2827
2828 2009-09-17 Li Feng  <nemokingdom@gmail.com>
2829
2830         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
2831         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
2832         (graphite_carried_dependence_level_k): Ditto.
2833         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
2834         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
2835         (new_poly_dr): Adjust declaration.
2836         * graphite-sese-to-poly.c (free_data_refs_aux): New.
2837         (free_gimple_bb): Added free_data_refs_aux.
2838         (build_poly_dr): Add dr_base_object_set.
2839         (partition_drs_to_sets): New.
2840         (dr_same_base_object_p): New.
2841         (build_alias_set_for_drs): New.
2842         (build_base_object_set_for_drs): New.
2843         (build_scop_drs): Add build_base_obj_set_for_drs.
2844         * graphite-sese-to-poly.h: Added #define for alias set number index and
2845         base object set index.
2846         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
2847         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
2848
2849 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
2850
2851         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
2852         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
2853
2854 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2855
2856         * graphite-sese-to-poly.c (struct irp_data): Removed.
2857         (idx_record_params): Removed.
2858         (find_params_in_bb): Scan for parameters the access functions; don't
2859         parse the tree representation.
2860
2861 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2862
2863         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
2864         passes at -O1 and below.
2865
2866 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
2867
2868         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
2869         tree-scalar-evolution.h, and then tree-data-ref.h.
2870         * graphite-clast-to-gimple.c: Same.
2871         * graphite-dependences.c: Same.
2872         * graphite-interchange.c: Same.
2873         * graphite-poly.c: Same.
2874         * graphite-scop-detection.c: Same.
2875         * graphite-sese-to-poly.c: Same.
2876         * graphite.c: Same.
2877         * lambda-code.c: Same.
2878         * matrix-reorg.c: Same.
2879         * tree-data-ref.c: Same.
2880         * tree-if-conv.c: Same.
2881         * tree-loop-distribu: Same.: Same.
2882         * tree-loop-linear.c: Same.
2883         * tree-parloops.c: Same.
2884         * tree-predcom.c: Same.
2885         * tree-vect-patterns.c: Same.
2886
2887 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         Partially revert the previous patch, except the following.
2890         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
2891         as parameters the operands of the not expression.
2892
2893 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * tree-scalar-evolution.c (instantiate_scev_assign): New.
2896         Do not call analyze_scalar_evolution on assignments.
2897         (instantiate_scev_phi): Call analyze_scalar_evolution.
2898         (instantiate_scev_name): Call instantiate_scev_assign and
2899         instantiate_scev_phi.
2900         (instantiate_scev_not): Adapted to pass as parameters the operands
2901         of the not expression.
2902
2903 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
2906         to pass as parameters the operands of the binary expression.
2907
2908 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
2911         instantiate_scev_not.  Handle NEGATE_EXPR.
2912         (instantiate_scev_r): Handle NEGATE_EXPR.
2913
2914 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
2917         instantiate_scev_r.
2918         (instantiate_scev_r): Move code in instantiate_scev_2
2919         and instantiate_scev_1.
2920
2921 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2922
2923         * tree-scalar-evolution.c (instantiate_scev_3): New.
2924         (instantiate_scev_1): Move code in instantiate_scev_3.
2925
2926 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         * tree-scalar-evolution.c (instantiate_scev_poly): New.
2929         (instantiate_scev_1): Move code in instantiate_scev_poly.
2930
2931 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2932
2933         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
2934         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
2935
2936 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * tree-scalar-evolution.c (instantiate_scev_convert): New.
2939         (instantiate_scev_1): Move code in instantiate_scev_convert.
2940
2941 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2942
2943         * tree-scalar-evolution.c (instantiate_scev_binary): New.
2944         (instantiate_scev_1): Move code in instantiate_scev_binary.
2945
2946 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
2947
2948         * tree-scalar-evolution.c (instantiate_scev_name): New.
2949         (instantiate_scev_1): Move code in instantiate_scev_name.
2950
2951 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         * Merge from mainline (150992:151171).
2954
2955 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
2958
2959 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         * graphite-dependences.c (graphite_legal_transform_bb): Call
2962         pbb_remove_duplicate_pdrs.
2963         * graphite-poly.c (can_collapse_pdr): Removed.
2964         (pdr_find_duplicate): Removed.
2965         (can_collapse_pdrs): New.
2966         (pbb_remove_duplicate_pdrs): New.
2967         (new_poly_dr): Do not look for duplicates.
2968         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2969         (PBB_PDR_DUPLICATES_REMOVED): New.
2970         (pbb_remove_duplicate_pdrs): Declared.
2971
2972 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2973
2974         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2975         the strides by multiplying by PDR_NB_REFS.
2976         * graphite-poly.c (can_collapse_pdr): New.
2977         (pdr_find_duplicate): New.
2978         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2979         Initialize PDR_NB_REFS.
2980         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2981         (PDR_NB_REFS): New.
2982         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2983
2984 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         Revert one of the previous commits:
2987         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
2988         the computation of symmetric data dependence relations.
2989         (dependency_between_pbbs_p): Same.
2990
2991 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         PR middle-end/40965
2994         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2995         any transform.
2996
2997 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
2998
2999         * graphite-dependences.c (pddr_original_scattering): Return NULL
3000         for read-read dependence relations.
3001         * graphite-poly.h (enum poly_dr_type): Fix comment.
3002         (pdr_read_p): New.
3003         (pdr_write_p): New.
3004         (pdr_may_write_p): New.
3005
3006 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
3009         (struct poly_dr): Same.
3010         (new_poly_dr): Same.
3011         * graphite-poly.c (new_poly_dr): Same.
3012
3013 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3014             Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
3017         pbb_strip_mine_time_depth.  Changed the implementation so that
3018         transformation is expressed as a transformation on
3019         time (scatttering) dimensions.  Also, ensures that the 2d+1
3020         scheduling format is preserved.
3021         (pbb_strip_mine_profitable_p): Profitability is based on the
3022         iteration number of a given time (scattering) dimension,
3023         and not on a original loop depth dimension.
3024         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
3025         (pbb_do_strip_mine): Call psct_dynamic_dim.
3026         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
3027         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
3028         (pbb_nb_dynamic_scattering_transform): New.
3029         (psct_dynamic_dim): New.
3030
3031 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3032
3033         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3034         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
3035         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
3036         * graphite-interchange.c (build_linearized_memory_access): Same.
3037         (memory_stride_in_loop): Same.
3038
3039 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         * graphite-dependences.c (pddr_original_scattering): New.
3042         (graphite_legal_transform_dr): Call pddr_original_scattering.
3043         (dot_deps_1): New.
3044         (dot_deps): New.
3045         * graphite-dependences.h (dot_deps): Declared.
3046         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
3047         (print_pdr): Print PDR_ID.
3048         * graphite-poly.h (struct poly_dr): Add field id.
3049         (PDR_ID): New.
3050         (pbb_index): New.
3051         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
3052
3053 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
3054
3055         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
3056         not delete the original dependence relation.
3057
3058 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
3061         the computation of symmetric data dependence relations.
3062         (dependency_between_pbbs_p): Same.
3063
3064 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
3067         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
3068         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
3069         (free_poly_ddr): New.
3070         (pddr_is_empty): New.
3071         (dependence_polyhedron_1): Now returns a poly_ddr_p.
3072         (dependence_polyhedron): Same.  Remove useless gcc_assert.
3073         Remove fprintfs.
3074         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
3075         (graphite_carried_dependence_level_k): Call pddr_is_empty.
3076         * graphite-dependences.h (enum poly_dependence_kind): New.
3077         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
3078         (PDRP_SOURCE): Renamed PDDR_SOURCE.
3079         (PDRP_SINK): Renamed PDDR_SINK.
3080         (PDRP_DDP): Renamed PDDR_DDP.
3081         (PDDR_KIND): New.
3082         (free_poly_ddr): Declared.
3083         * graphite-poly.c (new_scop): Use the new hash function names.
3084         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
3085         into original_pddrs.
3086         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
3087
3088 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         * Merge from mainline (150764:150992).
3091
3092 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3093
3094         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
3095         bounds with LT_EXPR to make niter analysis more precise on code
3096         generated by Graphite.
3097
3098 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
3099
3100         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
3101         (graphite_legal_transform_bb): Same.
3102         (poly_drs_may_alias_p): Same.
3103
3104 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
3105
3106         PR middle-end/40981
3107         * graphite-ppl.c (ppl_max_for_le): Correct the use of
3108         ppl_Pointset_Powerset_C_Polyhedron_maximize.
3109
3110 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * graphite-poly.c (print_pbb): Print PBB index.
3113
3114 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * Merge from mainline (r150672:150764).
3117
3118 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120         * graphite-interchange.c (ppl_max_for_le): Moved...
3121         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
3122         * graphite-ppl.c (ppl_max_for_le): ... here.
3123         * graphite-ppl.h (ppl_max_for_le): Declared.
3124
3125 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
3126
3127         * Merge from mainline (r150372:150672).
3128
3129 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3130
3131         PR middle-end/40980
3132         * sese.c (convert_for_phi_arg): New.
3133         (add_guard_exit_phis): Use convert_for_phi_arg.
3134
3135         * gfortran.dg/graphite/id-17.f: New.
3136
3137 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3138
3139         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
3140         unknown subscript upper bounds.
3141
3142         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
3143
3144 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3145             Pranav Garg  <pranav.garg2107@gmail.com>
3146
3147         * graphite-interchange.c (gather_access_strides): Removed.
3148         (ppl_max_for_le): New.
3149         (build_linearized_memory_access): New.
3150         (memory_stride_in_loop): New.
3151         (pbb_interchange_profitable_p): Reimplemented.
3152         * graphite-ppl.h (ppl_new_id_map): New.
3153         (ppl_interchange): New.
3154
3155         * gcc.dg/graphite/interchange-6.c: XFAILed.
3156
3157 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         * graphite-interchange.c (compute_subscript): Removed.
3160         (compute_array_size_cstr): Removed.
3161         (compute_array_size_poly): Removed.
3162         (compute_array_size): Removed.
3163         (gather_access_strides_poly): Removed.
3164         (gather_access_strides): Empty.
3165
3166 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3167
3168         * graphite-dependences.c (dependence_polyhedron_1): Replace
3169         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
3170         (graphite_legal_transform_dr): Same.
3171         (graphite_carried_dependence_level_k): Same.
3172         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
3173         Initialize PDR_NB_SUBSCRIPTS.
3174         (print_pdr_access_layout): Replace pdr_nb_subscripts with
3175         PDR_NB_SUBSCRIPTS.
3176         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
3177         (PDR_NB_SUBSCRIPTS): New.
3178         (pdr_nb_subscripts): Removed.
3179         (pdr_dim): Simplified.
3180         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
3181         with PDR_NB_SUBSCRIPTS.
3182
3183 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3184
3185         * graphite-interchange.c (compute_array_size): Remove use of
3186         PDR_DATA_CONTAINER.
3187         * graphite-poly.c (new_poly_dr): Remove argument data_container.
3188         Do not initialize PDR_DATA_CONTAINER.
3189         (print_pdr): Do not print PDR_DATA_CONTAINER.
3190         * graphite-poly.h (struct poly_dr): Remove data_container field.
3191         (PDR_DATA_CONTAINER): Removed.
3192         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
3193         PDR_DATA_CONTAINER.
3194         (build_poly_dr): Same.
3195
3196 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * gcc.dg/graphite/interchange-9.c: New.
3199
3200 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3201             Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
3204         copy of the dependence polyhedron.  Free the temporary objects.
3205         (graphite_carried_dependence_level_k): Free unused objects before
3206         returning.
3207
3208         * gcc.dg/graphite/interchange-1.c: XFAILed.
3209         * gcc.dg/graphite/interchange-2.c: XFAILed.
3210         * gcc.dg/graphite/interchange-3.c: XFAILed.
3211         * gcc.dg/graphite/interchange-4.c: XFAILed.
3212         * gcc.dg/graphite/interchange-7.c: XFAILed.
3213
3214 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
3217         Early return without analyzing the data dependences if no
3218         transform has been done.  Call restore_scattering if the transform
3219         is not legal.
3220         (graphite-interchange.c): Same.
3221         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
3222         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
3223         (apply_poly_transforms): Do not gcc_assert that
3224         the transform is legal.
3225         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3226         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
3227         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
3228         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
3229         * graphite-poly.h (struct poly_scattering): New.
3230         (struct poly_bb): Add original, transformed, and saved fields.
3231         Remove transformed_scattering, original_scattering, nb_local_variables,
3232         and nb_scattering_transform fields.
3233         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
3234         (poly_scattering_new): New.
3235         (poly_scattering_free): New.
3236         (poly_scattering_copy): New.
3237         (store_scattering_pbb): New.
3238         (store_scattering): New.
3239         (restore_scattering_pbb): New.
3240         (restore_scattering): New.
3241         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3242         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
3243
3244 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
3247         (print_scop): Same.
3248
3249 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * Makefile.in (graphite.o): Depends on PREDICT_H.
3252         * graphite.c: Include predict.h.
3253         (graphite_finalize): Call tree_estimate_probability.
3254         * predict.c (predict_loops): Do not call scev_initialize and
3255         scev_finalize.
3256         (tree_estimate_probability_bb): New.
3257         (tree_estimate_probability): Do not initialize loops: move that
3258         code to the driver.  Call tree_estimate_probability_bb.
3259         (tree_estimate_probability_driver): New.
3260         (pass_profile): Use tree_estimate_probability_driver.
3261         * predict.h (tree_estimate_probability): Declared.
3262
3263 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
3264
3265         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
3266         * graphite-dependences.c (graphite_legal_transform): Add time to
3267         TV_GRAPHITE_DATA_DEPS.
3268         (dependency_between_pbbs_p): Same.
3269         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
3270
3271 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * Merge from mainline (r149952:150372).
3274
3275 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
3278         * graphite-blocking.c: Same.
3279         * graphite-clast-to-gimple.c: Same.
3280         * graphite-dependences.c: Same.
3281         * graphite-poly.c: Same.
3282         * graphite-poly.h: Same.
3283         * graphite-ppl.c: Same.
3284         * graphite-scop-detection.c: Same.
3285         * graphite-sese-to-poly.c: Same.
3286         * graphite.c: Same.
3287
3288 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
3291         (remove_simple_copy_phi): New.
3292         (remove_invariant_phi): New.
3293         (simple_copy_phi_p): New.
3294         (reduction_phi_p): New.
3295         (gsi_for_ssa_name_def): New.
3296         (insert_out_of_ssa_copy): New.
3297         (insert_out_of_ssa_copy_on_edge): New.
3298         (create_zero_dim_array): New.
3299         (scalar_close_phi_node_p): New.
3300         (rewrite_close_phi_out_of_ssa): New.
3301         (rewrite_phi_out_of_ssa): New.
3302         (rewrite_reductions_out_of_ssa): New.
3303         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
3304
3305         * gcc.dg/graphite/id-11.c: New.
3306         * gcc.dg/graphite/id-15.c: New.
3307         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
3308         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
3309         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
3310         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
3311         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
3312         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
3313         * gfortran.dg/graphite/id-13.f: New.
3314         * gfortran.dg/graphite/id-5.f: New.
3315
3316 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
3319         check that nb_reductions_in_loop is zero.
3320         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
3321         reduction phi nodes.
3322         (nb_reductions_in_loop): Removed.
3323         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
3324         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
3325         (bb_contains_non_iv_scalar_phi_nodes): Removed.
3326         (scop_contains_non_iv_scalar_phi_nodes): Removed.
3327         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
3328
3329 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3330
3331         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
3332         statements that have an empty iteration domain.
3333         * gfortran.dg/graphite/id-16.f: New.
3334
3335 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3336
3337         * tree-scalar-evolution.c (instantiate_scev_1): Return
3338         chrec_dont_know when the result is not above instantiate_below.
3339         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
3340         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
3341         the tree has a known scalar evolution.
3342         * gfortran.dg/graphite/id-14.f: New.
3343         * gfortran.dg/graphite/id-15.f: New.
3344
3345 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
3348         insert_gsi.
3349         (rename_variables): Keep inserting renames after the ones already
3350         inserted.
3351
3352 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3353
3354         * graphite-sese-to-poly.c (compare_bb_depths): New.
3355         (graphite_sort_dominated_info): New.
3356         (build_scop_bbs_1): Call graphite_sort_dominated_info.
3357         (build_scop_scattering): Fix comment.
3358
3359 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
3360
3361         * graphite.c (graphite_finalize): Call print_loops instead of
3362         dump_function_to_file.
3363         * gcc.dg/graphite/graphite.exp: Fix formatting.
3364         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
3365         loops generated in the graphite output file.
3366         * gcc.dg/graphite/pr35356-2.c: New.
3367         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
3368         * gfortran.dg/graphite/id-12.f: New.
3369
3370 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3371
3372         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
3373         Remove 2 XFAIL.
3374
3375 2009-07-24  Li Feng  <nemokingdom@gmail.com>
3376             Tobias Grosser  <grosser@fim.uni-passau.de>
3377
3378         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
3379         alias set number build alias in ACCESSES polyhedron.
3380         (build_alias_set_for_drs): New.
3381         (build_pbb_drs): Added build_alias_set_for_drs.
3382         * graphite-dependences.c (poly_drs_may_alias_p): New.
3383         (graphite_carried_dependence_level_k): Check alias information
3384         before building polyhedron.
3385
3386 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3387
3388         * Makefile.in (lambda-code.o): Fix formatting.
3389
3390 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3391
3392         * Merge from mainline (r149350-149952)
3393
3394 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3395
3396         * graphite-poly.c (apply_poly_transforms): Move strip_mine
3397         before interchange to prepare for loop blocking.
3398
3399 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
3400
3401         * graphite-poly.c (apply_poly_transforms): Add checks after every
3402         transformation.
3403         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
3404         done in apply_poly_transforms.
3405
3406 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
3407
3408         * graphite-dependences.c (build_lexicographically_gt_constraint):
3409         Replace RES parameter with *RES.
3410         (dependence_polyhedron_1): Pass an address of the parameter RES
3411         instead of value of RES.
3412
3413 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3414
3415         * graphite.c (graphite_finalize): Fix comment.
3416         (graphite_transform_loops): Reset scev info after code generation
3417         of each scop.
3418
3419 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3420
3421         * graphite.c (graphite_finalize): Call scev_reset.
3422
3423 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3424
3425         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
3426         GBB_CLOOG_IV_TYPES hash table twice.
3427         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
3428         (add_condition_to_domain): Clear GMP values.
3429
3430 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3431
3432         * graphite-dependences.c: Fix formatting.
3433         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
3434         (pbb_number_of_iterations): Free ppl_Linear_Expression.
3435         * graphite-sese-to-poly.c: Fix formatting.
3436         * graphite.c (graphite_transform_loops): Create the hash table
3437         after the early return.
3438
3439 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3440
3441         * gcc.dg/graphite/id-14.c: New.
3442         * gcc.dg/graphite/pr40157.c: New.
3443         * gfortran.dg/graphite/id-11.f: New.
3444
3445 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3446
3447         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
3448         (build_poly_scop): Return false when there are no pbbs within
3449         loops to avoid to pass to cloog scops with no loops.
3450
3451 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
3452
3453         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
3454         useless test "i % 2".
3455         (build_pbb_scattering_polyhedrons): Fix formatting.
3456         (build_poly_dr): Same.
3457         * graphite.c (graphite_transform_loops): Restructure.
3458
3459 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
3460
3461         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
3462         reduction_list parameter.
3463         (rewrite_all_phi_nodes_with_iv): Same.
3464         (canonicalize_loop_ivs): Same.
3465         * tree-parloops.c (struct brli): Removed.
3466         (build_reduction_list_info): Removed.
3467         (build_new_reduction): New.
3468         (analyze_reduction_list): Removed.
3469         (gather_scalar_reductions): Find reductions instead of phi
3470         nodes that can't be canonicalized.
3471         (try_create_reduction_list): Remove reduction_list parameter.
3472         (gen_parallel_loop): Same.
3473         (parallelize_loops): Remove analyze_reductions variable,
3474         initialization and free.
3475         Change reduction_list htab initialization to reduction_info
3476         elements instead of ssa names.
3477         Call try_create_reduction_list and gen_parallel_loop without
3478         analyzed_reduction argument.
3479         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
3480         canonicalize_loop_ivs with one less argument.
3481         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
3482
3483 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3484
3485         * graphite-dependences.c (new_poly_dr_pair): New.
3486         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
3487         (new_poly_dr_pair): New.
3488         (eq_poly_dr_pair_p): New.
3489         (hash_poly_dr_pair_p): New.
3490         * graphite-dependences.h (struct poly_dr_pair): New.
3491         (eq_poly_dr_pair_p): Declared.
3492         (hash_poly_dr_pair_p): Declared.
3493         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
3494         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
3495         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
3496         * Makefile.in (graphite-poly.o): Add dependence on
3497         graphite-dependences.h.
3498
3499 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3500
3501         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
3502         polynomials of degree > 1 pass to Graphite.
3503         * tree-chrec.c (scev_is_linear_expression): Call
3504         evolution_function_is_affine_multivariate_p.
3505         * gfortran.dg/graphite/id-10.f90: New.
3506
3507 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3508
3509         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
3510         Instantiate scevs varying in outer loops.
3511         * gfortran.dg/graphite/id-9.f: Correct testcase.
3512
3513 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3514
3515         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
3516         redundant constraint.
3517
3518 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         * gcc.dg/graphite/graphite.exp: Fix comments.
3521         * gfortran.dg/graphite/graphite.exp: Trigger actions
3522         based on the file names as in the C testsuite.
3523         * gfortran.dg/graphite/block-1.f90: Fix patterns.
3524         * gfortran.dg/graphite/block-2.f: Same.
3525         * gfortran.dg/graphite/block-3.f90: Same.
3526         * gfortran.dg/graphite/block-4.f90: Same.
3527         * gfortran.dg/graphite/id-1.f90: Same.
3528         * gfortran.dg/graphite/id-2.f90: Same.
3529         * gfortran.dg/graphite/id-3.f90: Same.
3530         * gfortran.dg/graphite/id-4.f90: Same.
3531         * gfortran.dg/graphite/id-6.f: Same.
3532         * gfortran.dg/graphite/id-9.f: Same.
3533         * gfortran.dg/graphite/interchange-1.f: Same.
3534         * gfortran.dg/graphite/interchange-2.f: Same.
3535         * gfortran.dg/graphite/scop-1.f: Same.
3536
3537 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
3538
3539         * sese.c (expand_scalar_variables_call): New.
3540         (expand_scalar_variables_ssa_name): Handle calls in expander.
3541
3542 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3543
3544         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
3545         Expect to see the pattern twice.
3546         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
3547         * gcc.dg/graphite/interchange-5.c: Same.
3548         * gcc.dg/graphite/interchange-6.c: Same.
3549
3550 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         * gcc.dg/graphite/id-10.c: New.
3553         * gcc.dg/graphite/id-12.c: New.
3554         * gfortran.dg/graphite/id-7.f: New.
3555         * gfortran.dg/graphite/id-8.f: New.
3556
3557 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3558
3559         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
3560         zero.
3561
3562 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
3565
3566 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
3567
3568         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
3569
3570 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
3573         building PDR subscripts.
3574
3575 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3576
3577         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
3578         computation of array sizes.
3579
3580 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
3581
3582         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
3583
3584 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3585
3586         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
3587         build_pairwise_constraint, dr_equality_constraints,
3588         build_pairwise_scheduling_equality,
3589         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3590         build_lexicographically_gt_constraint, dependence_polyhedron,
3591         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
3592         Move from NNC_Polyhedron to C_Polyhedron.
3593         * graphite-interchange.c (compute_array_size_poly,
3594         gather_access_strides): Dito.
3595         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
3596         free_scop, pbb_number_of_iterations): Dito.
3597         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
3598         pbb_dim_iter_domain, struct scop): Dito.
3599         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
3600         new_Cloog_Domain_from_ppl_Polyhedron,
3601         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
3602         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
3603         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
3604         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
3605         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
3606         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
3607         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
3608         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
3609         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
3610         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
3611         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
3612         build_scop_iteration_domain, build_poly_dr): Dito
3613
3614 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3615
3616         * gcc.dg/graphite/graphite.exp: Added a rule to execute
3617         run-id-*.c files.
3618         * gcc.dg/graphite/run-id-1.c: New.
3619
3620 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3621
3622         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
3623         positivity constraint on the symbolic number of iterations.
3624
3625 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3626
3627         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
3628
3629 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3630             Tobias Grosser  <grosser@fim.uni-passau.de>
3631
3632         * graphite-clast-to-gimple.c (build_scop_context): Removed.
3633         (build_cloog_prog): Directly use SCOP_CONTEXT.
3634         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
3635         (free_scop): Free SCOP_CONTEXT.
3636         (print_scop_context): New.
3637         (print_scop): Call print_scop_context.
3638         (debug_scop_context): New.
3639         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
3640         (struct scop): Added field context.
3641         (SCOP_CONTEXT): New.
3642         * graphite-sese-to-poly.c (add_param_constraints): New.
3643         (build_scop_context): New.
3644         (build_poly_scop): Call build_scop_context.
3645
3646 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3647
3648         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
3649         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
3650         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
3651         * graphite-ppl.h: Include double-int.h and tree.h.
3652         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
3653         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
3654         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
3655         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
3656
3657 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3658
3659         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
3660         POINTER_PLUS_EXPR for pointer types.
3661         (clast_to_gcc_expression): Same.
3662
3663 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
3664
3665         * graphite-poly.c (print_scattering_function): Early return when
3666         PBB_TRANSFORMED_SCATTERING is not initialized.
3667         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
3668
3669 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
3670
3671         * tree-parloops.c (analyze_reduction_list): Remove unused variable
3672         to fix bootstrap.
3673
3674 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
3675
3676         * tree-parloops.c (analyze_reduction_list): Change return
3677         value to void.
3678         (try_create_reduction_list): Move the call to
3679         analyze_reduction_list to the beginining.
3680         Call reduction_phi with analyzed_reductions as argument
3681         instead of reduction_list.
3682
3683 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3684
3685         *  Merge from mainline (r148296:149346)
3686
3687 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite-scop-detection.c (graphite_can_represent_init): New.
3690         (graphite_can_represent_scev): Call graphite_can_represent_init:
3691         check that the initial value does not contain multiplications of
3692         parameters.
3693         (stmt_has_simple_data_refs_p): New.
3694         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
3695         (is_simple_operand): Fix formatting.
3696         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
3697
3698 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * gcc.dg/graphite/id-13.c: New.
3701         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
3702         analyze_scalar_evolution, use scalar_evolution_in_region.
3703         (scan_tree_for_params_right_scev): Add extra assert.
3704         (parameter_index_in_region_1): Split from parameter_index_in_region.
3705         (idx_record_params): Use scalar_evolution_in_region.
3706         (find_params_in_bb): Same.
3707         (find_scop_parameters): Same.
3708         (build_loop_iteration_domains): Same.
3709         (create_linear_expr_from_tree): Same.
3710         * sese.c (scalar_evolution_in_region): New.
3711         * sese.h (scalar_evolution_in_region): Declared.
3712         (defined_in_sese_p): New.
3713         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
3714         static anymore.
3715         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
3716         Declared.
3717
3718 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3719
3720         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
3721         TREE_DATA_REF_H also implies SCEV_H.
3722
3723 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
3724
3725         * graphite-poly.c (print_scop_params): New.
3726         (print_scop): Call print_scop_params.
3727         (debug_scop_params): New.
3728         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
3729
3730 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3731
3732         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
3733         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
3734         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
3735         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
3736         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
3737         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
3738
3739 2009-07-07  Li Feng  <nemokingdom@gmail.com>
3740
3741         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
3742         for dependency checking part.
3743         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
3744         tests for dependency checking.
3745         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3746         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3747         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
3748         flag -fdump-tree-graphite-all for autopar testsuites.
3749
3750 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3751
3752         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
3753         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
3754         canonicalize_loop_ivs): Moved...
3755         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
3756
3757 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
3758
3759         * tree-parloops.c (try_create_reduction_list): Pass an extra
3760         argument analyzed_reductions.  Call analyze_reduction_list.
3761         (gen_parallel_loop): Do not call analyze_reduction_list.
3762         (parallelize_loops): Init and finalize analyzed_reductions.
3763
3764 2009-07-06  Li Feng  <nemokingdom@gmail.com>
3765
3766         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
3767         Added flag -fno-loop-strip-mine for autopar testcase.
3768
3769 2009-07-04  Li Feng  <nemokingdom@gmail.com>
3770
3771         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
3772         transformed scattering dimension instead of unmatch orignal when
3773         calling dependence_polyhedron.
3774
3775 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
3778
3779 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3780
3781         * graphite-poly.c (pbb_number_of_iterations): Check for returned
3782         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
3783
3784 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
3785
3786         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
3787         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
3788         * graphite-poly.c (pbb_number_of_iterations): New.
3789         * graphite-poly.h (pbb_number_of_iterations): Declared.
3790         (pbb_iterator_dim, pbb_parameter_dim): New.
3791
3792 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
3793
3794         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
3795         last commit on type of lower and upper bound of loops.
3796
3797 2009-06-29  Li Feng  <nemokingdom@gmail.com>
3798
3799         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
3800         graphite-dependences.h.
3801         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
3802         (mark_bb_with_pbb): New.
3803         (get_stmtfor_depth): New.
3804         (find_pbb_via_hash): New.
3805         (dependency_in_loop_p): New.
3806         (mark_loops_parallel): New.
3807         (free_aux_in_new_loops): New.
3808         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
3809         bb with it's relevant pbb. Mark newly created loops.  Remove mark
3810         innermost loop parallel without checking.
3811         (gloog): Add parameter BB_PBB_MAPPING.
3812         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
3813         (gloog): Change declaration.
3814         (mark_loop_parallel): Make extern.
3815         (free_aux_in_new_loops): Declare.
3816         (bb_pbb_map_hash): New.
3817         (eq_bb_pbb_map): New.
3818         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
3819         auto parallelization when flag_graphite_force_parallel is set.
3820         (graphite_finalize): Added free_aux_in_new_loops.
3821         * tree-parloops.c (parallelize_loops): Only generate parallel code for
3822         the innermost loop that marked parallel.  Use
3823         flag_graphite_force_parallel instead of loop->can_be_parallel.
3824         (loop_parallel_p): Move inner most checking out of function.
3825
3826 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
3829         type of lower and upper bound of loops signed long int.
3830
3831 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3832
3833         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
3834         expression outside the loop.
3835
3836 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3837
3838         * gcc.dg/graphite/interchange-8.c: New.
3839
3840 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3841
3842         * gcc.dg/graphite/interchange-0.c: XFailed.
3843         * gcc.dg/graphite/interchange-5.c: XFailed.
3844         * gcc.dg/graphite/interchange-6.c: XFailed.
3845
3846 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3847
3848         * graphite-interchange.c (compute_array_size_poly): The end of the
3849         recursion should return 1.
3850
3851 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3852
3853         * graphite-interchange.c (compute_array_size_cstr): Allow the
3854         subscript multiplier to be -1.
3855         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
3856         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
3857         data_container.  Initializes PDR_DATA_CONTAINER.
3858         (print_pdr_access_layout): New.
3859         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
3860         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
3861         data_container.
3862         (PDR_DATA_CONTAINER): New.
3863         (new_poly_dr): Update declaration.
3864         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
3865         (build_poly_dr): Call pdr_add_data_dimensions.
3866
3867 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * graphite-poly.h (struct poly_dr): Fix comment.
3870         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
3871         (pdr_add_memory_accesses): New.
3872         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
3873
3874 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
3875
3876         * graphite-poly.c (print_pdrs, debug_pdrs): New.
3877         (print_pbb): Add call to print_pdrs.
3878         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
3879
3880 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
3881             Li Feng <nemokingdom@gmail.com>
3882
3883         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
3884         (dependency_between_pbbs_p): New.
3885         (lexicographically_gt_p): Assure !empty_p before polyhedron
3886         intersection assign.
3887         (build_lexicographically_gt_constraint): Correct lexicographically
3888         judging.
3889         * graphite-dependences.h: New.
3890         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
3891
3892 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3893
3894         * graphite-clast-to-gimple.c (print_clast_stmt): New.
3895         (gloog): Print to dump_file the generated clast.
3896         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
3897         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
3898
3899 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite-poly.c (extend_scattering): Increment
3902         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
3903
3904 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         * graphite-interchange.c (compute_array_size_poly): Added exit of
3907         recursion condition.  Continue iterating even after the first equality.
3908         (compute_array_size): Same.
3909
3910 2009-06-24  Li Feng  <nemokingdom@gmail.com>
3911
3912         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
3913         -fdump-tree-final_cleanup to -fdump-tree-optimized.
3914         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
3915         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
3916         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
3917
3918 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3919
3920         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
3921         only when the use verifies is_gimple_reg.
3922
3923 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3924
3925         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
3926         Allocate scaldims after call to unify_scattering_dimensions.
3927
3928 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3929
3930         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
3931
3932 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3933             Albert Cohen  <albert.cohen@inria.fr>
3934
3935         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
3936         variables for the strip mining.
3937
3938 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3939             Pranav Garg  <pranav.garg2107@gmail.com>
3940
3941         * Makefile.in (OBJS-common): Added graphite-blocking.o.
3942         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
3943         (graphite-blocking.o): New rule.
3944         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
3945         * graphite-blocking.c: New.
3946         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
3947         flag_loop_strip_mine.
3948         (psct_scattering_dim_for_loop_depth): New.
3949         * graphite-poly.h (scop_do_strip_mine): Declared.
3950         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
3951         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
3952         flag_loop_strip_mine.
3953
3954 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3955
3956         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
3957         a GMP value and a PPL coefficient at each iteration of a loop.
3958
3959 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         * graphite-dependences.c (dependence_polyhedron): Do not use
3962         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
3963         pbb_nb_scattering_transform.
3964         (graphite_legal_transform_dr): Same.
3965         * graphite-poly.c (extend_scattering): Same.
3966         (unify_scattering_dimensions): Same.
3967         (print_scattering_function): Same.
3968         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
3969         PBB_NB_LOCAL_VARIABLES.
3970         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
3971         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
3972         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
3973         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
3974         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
3975         (pbb_nb_scattering_transform): New.
3976         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
3977         (psco_scattering_dim): Add assert on parameters.
3978         (psct_scattering_dim): Same.
3979         (psct_scattering_dim_for_loop_depth): Declared.
3980         (psct_local_var_dim): New.
3981         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
3982         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
3983         correct layout, call pbb_nb_local_vars.
3984         (psct_add_local_variable, psct_add_scattering_dimension): New.
3985         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
3986         Initialize PBB_NB_SCATTERING_TRANSFORM.
3987
3988 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3989
3990         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
3991         (set_coef): Renamed ppl_set_coef.
3992         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
3993
3994 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
3995
3996         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
3997         test a boolean against 1.
3998         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
3999         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
4000         (pbb_do_interchange): Returns true when a transform has been performed.
4001         (scop_do_interchange): Same.
4002         * graphite-poly.c (apply_poly_transforms): Use the return value of
4003         scop_do_interchange.
4004         * graphite-poly.h (scop_do_interchange): Update declaration.
4005
4006 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4007
4008         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
4009         after last use.
4010         * sese.c (sese_reset_aux_in_loops): New.
4011         * sese.h (sese_reset_aux_in_loops): New.
4012
4013 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4014
4015         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
4016         multiplier and multiply the constant by the multiplier.
4017         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
4018         (build_poly_dr): Do not use the multiplier to define the subscript.
4019
4020 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4021
4022         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
4023         compiler's data reference.  Initialize PDR_CDR.
4024         (print_pdr): Call dump_data_reference.
4025         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
4026         Add compiler_dr field.
4027         (PDR_BB): Renamed PDR_PBB.
4028         (PDR_CDR): New.
4029         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
4030         GCC's data reference representation.
4031         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
4032         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
4033
4034 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4035
4036         * graphite-poly.c (print_scattering_function): Also print the layout.
4037         * graphite-poly.h (pbb_nb_local_vars): New.
4038
4039 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4040
4041         * graphite-poly.c (print_pbb_domain): Also print the layout names.
4042
4043 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
4044
4045         * graphite-poly.c (print_pdr, debug_pdr): New.
4046         * graphite-poly.h (print_pdr, debug_pdr): Declared.
4047         (PDR_BASE): Removed.
4048
4049 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4050
4051         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
4052         ltrans-{1..6,8}.c.
4053
4054 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4055
4056         * graphite-interchange.c (compute_subscript): Allow also -1 in the
4057         subscript identification column.
4058         (pbb_do_interchange): Print to dump_file that some loops "will be
4059         interchanged".  Rely on that chain of characters in the testcases.
4060         * gcc.dg/graphite/interchange-0.c: New.
4061         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
4062         interchange-*.c files and compile them with -floop-interchange.
4063
4064 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
4065
4066         * graphite-interchange.c (interchange_profitable_p): Renamed
4067         pbb_interchange_profitable_p.
4068
4069 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4070             Harsha Jagasia  <harsha.jagasia@amd.com>
4071             Pranav Garg  <pranav.garg2107@gmail.com>
4072
4073         * graphite-interchange.c (interchange_profitable_p): Make static.
4074         (pbb_interchange_loop_depths, pbb_do_interchange,
4075         scop_do_interchange): New.
4076         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
4077         for flag_loop_interchange.
4078         * graphite-poly.h (scop_do_interchange): Declared.
4079         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
4080         flag_loop_interchange is used.
4081
4082 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
4083
4084         * graphite-dependences.c (dependence_polyhedron): Update use of
4085         pbb_nb_scattering_dims.
4086         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
4087         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
4088         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
4089         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
4090
4091 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4092
4093         * graphite.c: Cleanup foo.
4094
4095 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
4096
4097         * Merge from mainline (r143684:148293).
4098         * Disabled libpcp until it gets fixed.
4099
4100 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
4101             Harsha Jagasia  <harsha.jagasia@amd.com>
4102
4103         * graphite-interchange.c: New.
4104         * Makefile.in (graphite-interchange.o): New.
4105         * graphite-poly.h (interchange_profitable_p): Declared.
4106         * graphite-ppl.h (value_max): New.
4107
4108 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4109
4110         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
4111         * graphite-poly.h: Fix some comments.
4112         (pdr_dim): New.
4113         (pdr_scop): New.
4114
4115 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
4116
4117         * graphite-poly.h
4118         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
4119         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
4120         (pdr_accessp_nb_params): Renamed pdr_nb_params.
4121         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
4122         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
4123         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
4124         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
4125         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
4126         * graphite-clast-to-gimple.c: Same.
4127         * graphite-dependences.c: Same.
4128         * graphite-poly.c: Same.
4129         * graphite-sese-to-poly.c: Same.
4130
4131 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4132
4133         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
4134         expressions for an IV rename, as returned by clast_to_gcc_expression.
4135         (copy_renames): Rename new_name to expr.
4136         * sese.c (debug_rename_elt): Same.
4137         (get_rename): Same.
4138         (set_rename): Same.
4139         (sese_adjust_liveout_phis): Call force_gimple_operand before using
4140         the information from the rename map.
4141         (rename_variables_in_stmt): Same.
4142         (add_loop_exit_phis): Rename new_name to expr.
4143         (insert_loop_close_phis): Same.
4144         (add_guard_exit_phis): Same.  Call force_gimple_operand.
4145         * sese.h (struct rename_map_elt): Rename new_name to expr.
4146         (new_rename_map_elt): Same.
4147
4148 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4149
4150         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
4151         * sese.c (set_rename): Make it extern.
4152         * sese.h (set_rename): Declared.
4153
4154 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
4155
4156         * graphite-poly.c (extend_scattering): Free values.
4157         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
4158         Free iterators.
4159         (ppl_print_powerset_matrix): Same.
4160         * graphite-scop-detection.c (free_scops_1): New.
4161         (limit_scops): Call free_scops_1.
4162         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
4163         (build_poly_dr): Free PPL coefficients.
4164         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
4165
4166 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
4167
4168         * graphite-dependences.c: New.
4169         * graphite-data-ref.c: Removed.
4170         * graphite-data-ref.h: Removed.
4171         * Makefile.in (graphite-data-ref.o): Removed.
4172         (graphite-dependences.o): Added.
4173         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
4174         * graphite-poly.c: Same.
4175         Move the data dependence testing to graphite-dependences.c.
4176
4177 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4178
4179         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
4180         from graphite_cannot_represent_loop. Code refactored.
4181         (scopdet_basic_block_info): Call graphite_can_represent_loop.
4182
4183 2009-05-17  Li Feng  <nemokingdom@gmail.com>
4184
4185         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
4186         Cover all the testcases (not only the filtered ones).
4187
4188 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4189
4190         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
4191         unnecessary check. Update comments. Move check for REAL_TYPE here.
4192         (harmful_stmt_in_bb): Remove checks for conditions. This is already
4193         done in (stmt_simple_for_scop_p).
4194
4195 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
4196
4197         * graphite.c (print_global_statistics): New.
4198         (print_graphite_scop_statistic): New.
4199         (print_graphite_statistics): New.
4200         (graphite_initialize, graphite_transform_loops): Print statistics.
4201         * graphite-scop-detection (build_scops): Print statistics.
4202         (print_graphite_scop_statistics): New.
4203         (print_graphite_statistics): New.
4204
4205 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4206
4207         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
4208         (debug_clast_name_index): Removed.
4209         (debug_clast_name_indexes_1): Removed.
4210         (debug_clast_name_indexes): Removed.
4211         (clast_name_index_elt_info): Removed.
4212         (eq_clast_name_indexes): Removed.
4213         (clast_name_to_index): Removed.
4214         (new_clast_name_index): Removed.
4215         (save_clast_name_index): Removed.
4216         (save_var_name): Moved...
4217         (init_sese_params_index): Removed.
4218         (clast_name_to_gcc): Remove use of name_tree.
4219         (initialize_cloog_names): Same.
4220         (gloog): Do not call init_sese_params_index.
4221         * graphite-sese-to-poly.c (save_var_name): ...here.
4222         (parameter_index_in_region): New.
4223         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
4224         (parameter_index_in_region): Removed.
4225         (is_parameter): Remove use of name_tree.
4226         * sese.h (struct name_tree): Removed.
4227         (struct sese): Remove use of name_tree.  New field params_names.
4228         (SESE_PARAMS_NAMES): New.
4229         (SESE_PARAMS): Remove duplicate.
4230         (parameter_index_in_region): Removed.
4231         (sese_nb_params): Remove use of name_tree.
4232         (struct clast_name_index): New.
4233         (new_clast_name_index): New.
4234         (clast_name_to_index): New.
4235         (save_clast_name_index): New.
4236         (debug_clast_name_index): New.
4237         (debug_clast_name_indexes_1): New.
4238         (debug_clast_name_indexes): New.
4239         (clast_name_index_elt_info): New.
4240         (eq_clast_name_indexes): New.
4241
4242 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4243
4244         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
4245         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
4246         (graphite_loop_normal_form): Do not pass region.  Do not
4247         initialize SESE_OLDIVS.
4248         (build_graphite_loop_normal_form): Update call to
4249         graphite_loop_normal_form.
4250         * sese.c (debug_oldivs): Removed.
4251         (new_sese): Do not initialize SESE_OLDIVS.
4252         (free_sese): Do not free SESE_OLDIVS.
4253         (oldiv_for_loop): Removed.
4254         * sese.h (struct sese): Remove old_ivs.
4255         (SESE_OLDIVS): Removed.
4256         (oldiv_for_loop): Removed.
4257
4258 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4259
4260         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
4261         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
4262         replaced by a call to newivs_to_depth_to_newiv.
4263         (clast_to_gcc_expression): Pass newivs, remove ivstack.
4264         (clast_to_gcc_expression_red): Same.
4265         (gcc_type_for_clast_expr): Same.
4266         (gcc_type_for_clast_eq): Same.
4267         (graphite_translate_clast_equation): Same.
4268         (graphite_create_guard_cond_expr): Same.
4269         (graphite_create_new_guard): Same.
4270         (graphite_create_new_loop): Same.
4271         (build_iv_mapping): Same.
4272         (translate_clast): Same.
4273         (gloog): Same.
4274         (loop_iv_stack_patch_for_consts): Removed.  *
4275         sese.c (iv_stack_entry_is_constant): Removed.
4276         (iv_stack_entry_is_iv): Removed.
4277         (loop_iv_stack_push_iv): Removed.
4278         (loop_iv_stack_insert_constant): Removed.
4279         (loop_iv_stack_pop): Removed.
4280         (loop_iv_stack_get_iv): Removed.
4281         (loop_iv_stack_get_iv_from_name): Removed.
4282         (debug_loop_iv_stack): Removed.
4283         (free_loop_iv_stack): Removed.
4284         (loop_iv_stack_remove_constants): Removed.  *
4285         sese.h (iv_stack_entry_kind): Removed.
4286         (iv_stack_entry_data_union): Removed.
4287         (iv_stack_entry_struct): Removed.
4288         (iv_stack_entry_p): Removed.
4289         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
4290         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
4291         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
4292         loop_iv_stack_pop, free_loop_iv_stack): Removed.
4293         (gbb_loop_at_index): Fix indenting.
4294         (gbb_loop_index): Removed.
4295
4296 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4297
4298         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
4299         Call clast_name_to_index.
4300
4301 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4302
4303         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
4304         do not pass params.  Get params from SESE_PARAMS.
4305         (clast_to_gcc_expression): Same.
4306         (clast_to_gcc_expression_red): Same.
4307         (gcc_type_for_clast_eq): Same.
4308         (graphite_translate_clast_equation): Same.
4309         (graphite_create_new_loop): Same.
4310         * sese.c (rename_variables_in_stmt): Fix comment.
4311
4312 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4313
4314         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
4315         newivs_index.
4316         Call save_clast_name_index.
4317         (translate_clast): Pass newivs_index.
4318         (gloog): Create and free newivs_index.
4319
4320 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4321
4322         * graphite-clast-to-gimple.c (clast_name_index): New structure.
4323         (clast_name_index_p): New type.
4324         (debug_clast_name_index): New.
4325         (debug_clast_name_indexes_1): New.
4326         (debug_clast_name_indexes): New.
4327         (clast_name_index_elt_info): New.
4328         (eq_clast_name_indexes): New.
4329         (clast_name_to_index): New.
4330         (new_clast_name_index): New.
4331         (save_clast_name_index): New.
4332         (init_sese_params_index): New.
4333         (gloog): Call init_sese_params_index.
4334         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
4335         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
4336         (free_sese): Free SESE_PARAMS_INDEX.
4337         * sese.h (struct sese): Add params_index.
4338         (SESE_PARAMS_INDEX): New.
4339
4340 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4341
4342         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
4343         (graphite_create_new_loop): Pass the newivs vector.  Push the
4344         newly created IV to newivs.
4345         (translate_clast): Pass the newivs vector.
4346         (gloog): Create and destroy the newivs vector.
4347
4348 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
4349
4350         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
4351         (graphite_loop_normal_form): Initialize loop->aux with the unique
4352         IV that has been created.
4353
4354 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
4355
4356         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
4357         scev with parameters in the base part. They where forbidden
4358         exidently.
4359
4360 2009-05-11  Li Feng  <nemokingdom@gmail.com>
4361
4362         * gcc.dg/graphite/graphite.exp: Set different default
4363         compile options by file names.
4364         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
4365         * gcc.dg/graphite/id-{1-9}.c: Ditto.
4366         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
4367         * gcc.dg/graphite/scop-matmult.c: Ditto.
4368
4369 2009-05-08  Li Feng <nemokingdom@gmail.com>
4370
4371         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
4372         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
4373         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
4374         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
4375
4376 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4377
4378         * graphite-scop-detection (build_scops_1): Fix little bug introduced
4379         by final cleanup.
4380
4381 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
4382
4383         * graphite-scop-detection.c (graphite_can_represent_scev): Only
4384         allow integer constant strides.
4385         (graphite_can_represent_expr): Depend on outermost_loop.
4386         (stmt_simple_memref_p, graphite_cannot_represent_loop,
4387         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
4388         build_scops_1): Same.
4389         (scopdet_basic_block_info): Same and insert layered SCoP
4390         detection.
4391         (try_generate_gimple_bb): Cleanup.
4392         (build_scops): Enable data references.
4393
4394         * gcc.dg/graphite/id-5.c: New.
4395         * gcc.dg/graphite/id-9.c: New.
4396         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
4397         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
4398
4399 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4400
4401         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
4402         that we have not yet built for this SCoP.
4403
4404 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4405
4406         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
4407         for complex numbers.
4408
4409 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
4410
4411         * graphite-ppl.c: Fix build if cloog is not available.
4412
4413 2009-05-04  Li Feng  <nemokingdom@gmail.com>
4414
4415         * tree-parloops.c (loop_parallel_p): Remove construction of
4416         NITER and REDUCTION_LIST.
4417         (try_get_loop_niter): New.
4418         (try_create_reduction_list): New.
4419         (parallelize_loops): Bypass the failed checkings in autopar
4420         when can_be_parallel in loop structure is set to true.
4421
4422 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4423
4424         * gcc.dg/graphite/id-6.c: Update testcase.
4425         * gcc.dg/graphite/scop-3.c: Dito.
4426
4427 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4428
4429         * graphite-scop-detection.c (stmt_simple_for_scop_p):
4430         Enable EQ_EXPR and NE_EXPR again.
4431
4432 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4433
4434         * graphite-scop-detection.c (graphite_can_represent_scev):
4435         Add check if scev is affine multivariate.
4436         (harmful_stmt_in_bb): Check if we can represent the conditions.
4437         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
4438         harmful_stmt_in_bb.
4439         * gcc.dg/graphite/id-7.c: New.
4440
4441 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4442
4443         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
4444         Check all bbs in region, not only the bbs that are represented in
4445         GRAPHITE.
4446         (build_poly_scop): Add newline.
4447         * gcc.dg/graphite/id-8.c: New.
4448
4449 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4450
4451         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
4452         when loop initialize.
4453         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
4454         * common.opt: Declare flag_graphite_force_parallel.
4455         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
4456         loop parallel.
4457         * graphite-poly.c (apply_poly_transforms): Introduce
4458         flag_graphite_force_parallel.
4459         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
4460         * toplev.c (process_options): ditto and replace a not correctly
4461         encoded space.
4462
4463 2009-04-30  Li Feng  <nemokingdom@gmail.com>
4464
4465         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
4466         Change the call of gbb_loop_at_index and/or gbb_loop_index due
4467         to the redefinition.
4468         (compute_cloog_iv_types_1): ditto.
4469         (build_iv_mapping): ditto.
4470         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
4471         initialization.
4472         (free_gimple_bb): Removed GBB_LOOPS related free part.
4473         (build_bb_loops): Removed.
4474         * sese.h (struct gimple_bb): Removed loops.
4475         (GBB_LOOPS): Removed.
4476         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
4477         (gbb_loop_index): ditto.
4478
4479 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4480
4481         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
4482         allow non constant strides.
4483         * gcc.dg/graphite/scop-20.c: New.
4484
4485 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4486
4487         * graphite-scop-detection.c (dot_all_scops): Fix system call
4488         return value warning.
4489         (dot_scop): Same.
4490
4491 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4492
4493         * gcc.dg/graphite/id-6.c: Fix pattern.
4494         * gcc.dg/graphite/scop-3.c: Same.
4495
4496 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4497
4498         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
4499         build_pairwise_constraint, dr_equality_constraints,
4500         build_pairwise_scheduling_equality,
4501         build_pairwise_scheduling_inequality, lexicographically_gt_p,
4502         build_lexicographically_gt_constraint, dependence_polyhedron,
4503         graphite_legal_transform_dr, graphite_legal_transform_bb,
4504         graphite_legal_transform): New.
4505         * graphite-poly.h (graphite_legal_transform): Declared.
4506         * graphite-sese-to-poly.c (build_poly_scop): Call to
4507         graphite_legal_transform is disabled for the moment.
4508
4509 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4510
4511         * graphite-poly.h (pbb_nb_scattering_dims): New.
4512         (pbb_nb_scattering): Use it.
4513
4514 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4515
4516         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
4517         Pointset_Powerset version of ppl_insert_dimensions.
4518         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
4519
4520 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4521
4522         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
4523
4524 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4525
4526         * graphite-poly.h: Fix comment.
4527
4528 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
4529
4530         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
4531
4532 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4533
4534         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
4535         statements.
4536
4537 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
4538
4539         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
4540         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
4541         conditions.
4542
4543 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
4544
4545         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
4546         handle EQ_EXPR and NE_EXPR.
4547
4548 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
4549
4550         * graphite-poly.h (poly_dr): Fix comment.
4551
4552 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4553             Tobias Grosser  <grosser@fim.uni-passau.de>
4554
4555         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
4556         with a zero dimension polyhedron.
4557         (find_scop_parameters): Move the call to scop_set_nb_params here.
4558         (build_loop_iteration_domains): Store in loop->aux the iteration
4559         domain polyhedron.
4560         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
4561         by any loop in scop.
4562         (build_poly_scop): Do not call scop_set_nb_params.
4563
4564 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
4565             Tobias Grosser  <grosser@fim.uni-passau.de>
4566
4567         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
4568         add_condition_to_domain not GT_EXPR.
4569
4570 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4571
4572         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
4573         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
4574         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
4575         upper_bound_assign to calculate unions.
4576         * gcc.dg/graphite/id-6.c: New.
4577
4578 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4579
4580         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
4581         handle abnormal edges.
4582
4583 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4584
4585         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
4586         (free_poly_bb): Also free poly_drs.
4587         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
4588         (poly_dr): Polyhedron to Pointset_Powerset.
4589         (pdr_accessp_nb_subscripts): Same.
4590         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
4591         poly_drs.
4592
4593 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4594
4595         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
4596         names into more meaningful names.
4597
4598 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4599
4600         * gfortran.dg/graphite/interchange-1.c: New.
4601         * gfortran.dg/graphite/interchange-2.c: New.
4602
4603 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4604
4605         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
4606         the reduction_list.
4607         * tree-parloops.c (rewrite_phi_with_iv): New.
4608         (rewrite_all_phi_nodes_with_iv): New.
4609         (canonicalize_loop_ivs): Call them.
4610
4611 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4612
4613         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
4614         graphite_find_data_references_in_stmt.
4615         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
4616         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
4617
4618 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4619
4620         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
4621
4622 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4623
4624         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
4625         instead of bb_in_region.
4626         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
4627         (build_sese_conditions): Use flag_bb_in_sese.
4628         * sese.c (register_bb_in_sese): Removed.
4629         (new_sese): Remove initialization of SESE_REGION_BBS.
4630         (free_sese): Do not free SESE_REGION_BBS.
4631         * sese.h (struct sese): Remove field region_basic_blocks.
4632         (SESE_REGION_BBS): Removed.
4633         (bb_in_sese_p): Implement in function of bb_in_region.
4634
4635 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
4636
4637         * graphite-scop-detection.c (limit_scops): Deal only with single exit
4638         loops.
4639
4640 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4641
4642         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
4643         and EQ_EXPR.
4644         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
4645         (add_condition_to_domain): New.
4646         (add_condition_to_pbb): New.
4647         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
4648         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
4649
4650 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4651
4652         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
4653         ppl_Pointset_Powerset.
4654         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
4655         * graphite-poly.h (poly_bb): poly_bb.domain Same.
4656         (pbb_nb_loops): Same.
4657         * graphite-sese-to-poly.c (build_loop_iteration_domains,
4658         add_conditions_to_domain): Same.
4659         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
4660         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
4661         ppl_const_Polyhedron_t.
4662         (ppl_print_powerset_matrix): New.
4663         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
4664         ppl_print_powerset_matrix): New.
4665         (ppl_print_polyhedron_matrix): Updated.
4666
4667 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4668
4669         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
4670
4671 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
4672
4673         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
4674         (print_iteration_domains, debug_iteration_domain,
4675         debug_iteration_domains): New.
4676         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
4677         debug_iteration_domains): Declared.
4678         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
4679         indenting.
4680
4681 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4682             Sebastian Pop  <sebastian.pop@amd.com>
4683
4684         * graphite-poly.h (print_iteration_domain): New.
4685         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
4686         (build_sese_conditions_1, build_sese_conditions_after,
4687         build_sese_conditions_before): New.
4688         (build_sese_conditions): Rewritten.
4689
4690 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4691             Tobias Grosser  <grosser@fim.uni-passau.de>
4692
4693         Cleanup of code generation liveouts.
4694         * graphite-clast-to-gimple.c (translate_clast): Use a single
4695         rename_map instead of one per translated statement.
4696         Do not use SESE_LIVEOUT_RENAMES.
4697         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
4698         (gloog): Do not use SESE_LIVEOUT_RENAMES.
4699         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
4700         phi node of a reduction: when a loop contains a reduction used outside
4701         the loop, there should be a scalar close phi node on the exit block.
4702         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
4703         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
4704         (free_sese): Do not free them.
4705         (sese_build_liveouts_use): Do not use them.
4706         (sese_build_liveouts_bb): Same.
4707         (sese_build_liveouts): Same.
4708         (sese_insert_phis_for_liveouts): Same.
4709         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
4710         (defined_in_loop_p): New.
4711         (alive_after_loop): New.
4712         (close_phi_not_yet_inserted_p): New.
4713         (struct alep, alep_p): New.
4714         (add_loop_exit_phis): Remove from the rename_map all the names defined
4715         in the code generated loop.
4716         (insert_loop_close_phis): Traverse the rename_map passed to it.
4717         Don't use SESE_LIVEOUT_RENAMES.
4718         (default_liveout_before_guard): Renamed default_before_guard.
4719         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
4720         (graphite_copy_stmts_from_block): Do not directly call set_rename.
4721         (register_sese_liveout_renames): Removed.
4722         (copy_bb_and_scalar_dependences): Do not call it.
4723         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
4724         reduction_list.
4725         (SESE_LIVEOUT): Removed.
4726         (SESE_LIVEOUT_RENAMES): Removed.
4727         (SESE_REDUCTION_LIST): Removed.
4728         (sese_build_liveouts): Removed.
4729         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
4730         (insert_loop_close_phis): Pass a htab_t instead of a sese.
4731         (insert_guard_phis): Same.
4732         (rename_map_elt): Declare a VEC of them.
4733         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
4734         trees not pointers to trees.
4735
4736         Rewrite in canonical close SSA form:
4737         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
4738         (limit_scops): Close the scop after the block containing the close phi
4739         nodes.
4740         (canonicalize_loop_closed_ssa): New.
4741         (canonicalize_loop_closed_ssa_form): New.
4742         (build_scops): Call canonicalize_loop_closed_ssa_form.
4743
4744         * graphite-sese-to-poly.c: Fix typos.
4745
4746 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
4747
4748         * graphite-poly.c (print_scattering_function, print_pbb_domain):
4749         Extended.
4750         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
4751         (print_pbb): Add conditions.
4752
4753 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
4754             Sebastian Pop  <sebastian.pop@amd.com>
4755
4756         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
4757         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
4758         (build_scop_bbs_1): New.
4759         (build_scop_bbs): Rewrite.
4760         * sese.h (bb_in_region): New.
4761
4762 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4763
4764         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4765         poly_drs vector.
4766         (print_scop): Style.
4767         * graphite-poly.h (poly_bb): Add drs vector.
4768         (PBB_DRS): Add accessor.
4769         * graphite-sese-to-poly.c (build_poly_dr): New.
4770         (build_pbb_drs, build_scop_drs): New.
4771         (build_poly_scop): call build_scop_drs (Disabled at the moment).
4772
4773 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4774
4775         * tree-ssa-loop.c: Include forgotten toplev.h
4776
4777 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
4778
4779         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
4780         * gcc.dg/graphite/pr37883.c: Remove -floop-*
4781         * gcc.dg/graphite/pr37928.c: Same
4782         * gcc.dg/graphite/pr38409.c: Same
4783         * gcc.dg/graphite/pr38498.c: Same
4784         * gcc.dg/graphite/pr38559.c: Same
4785         * gcc.dg/graphite/pr39335.c: Same
4786         * gcc.dg/graphite/pr39335_1.c: Same
4787         * gfortran.dg/graphite/block-2.f: Same
4788         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
4789         with -floop-*.
4790
4791 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
4792
4793         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
4794         build_access_matrix, build_scop_data_accesses): Remove access function
4795         building. (We get a new version soon).
4796         (build_bb_loops, scan_tree_for_params_right_scev): Update.
4797         * sese.h (nb_loops_around_loop_in_sese): Remove.
4798         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
4799
4800 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
4801             Sebastian Pop  <sebastian.pop@amd.com>
4802
4803         * graphite-scop-detection.c (struct scopdet_info): Rename last
4804         field to exit.
4805         (scopdet_basic_block_info, build_scops_1): Don't use
4806         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
4807
4808 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
4809             Sebastian Pop  <sebastian.pop@amd.com>
4810
4811         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
4812         * sese.c (sese_build_liveouts_use): Renamed from
4813         sese_build_livein_liveouts_use. Remove liveins.
4814         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
4815         Call sese_build_liveouts_use.
4816         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
4817         Call sese_build_liveouts_bb.
4818         (new_sese, free_sese): Remove liveins.
4819         (sese_add_exit_phis_var): Deleted.
4820         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
4821         directly.
4822         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
4823
4824         * sese.h (sese): Remove num_ver and livein.
4825         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
4826
4827 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4828
4829         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
4830
4831 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
4832
4833         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
4834         (build_scop_scattering): Do not use compare_prefix_loops any more.
4835         (nb_common_loops): New.
4836
4837 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4838
4839         * sese.c (get_new_name_from_old_name): Renamed get_rename.
4840         (register_old_and_new_names): Renamed set_rename.
4841
4842 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4843
4844         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
4845         of the decl from the previous commit.
4846
4847 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4848
4849         * graphite-scop-detection.c (dot_scop): New.
4850         * graphite-scop-detection.h (dot_scop): Declared.
4851
4852 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4853
4854         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
4855
4856 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4857
4858         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
4859         condition at the end of the loop.
4860         * graphite.c (graphite_initialize, graphite_finalize): Print to
4861         dump_file the compiled function.
4862         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
4863         of create_empty_loop_on_edge.
4864         (translate_clast): Update the code generation of loops for the new
4865         shape of loops.
4866         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
4867
4868 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
4869
4870         Reverted the patch from 2009-03-19.
4871
4872 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
4873
4874         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
4875         poly_drs vector.
4876         (print_scop): Style.
4877         * graphite-poly.h (poly_bb): Add drs vector.
4878         (PBB_DRS): Add accessor.
4879         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
4880         (build_access_matrix_with_af, build_access_matrix,
4881         build_scop_data_accesses): Delete.
4882         (build_poly_dr): New.
4883         (build_pbb_drs, build_scop_drs): New.
4884         (build_poly_scop): call build_scop_drs.
4885
4886 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4887
4888         * graphite-scop-detection.c (dot_all_scops_1): Close the table
4889         once per basic block.
4890
4891 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4892
4893         * graphite-scop-detection.c (graphite_can_represent_scev): New.
4894         (graphite_can_represent_expr): Renamed from loop_affine_expr
4895         and enhanced.
4896         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
4897         (graphite_cannot_represent_loop): Add scop_entry to parameters.
4898         (scopdet_basic_block_info): Actually define entry_block.
4899         (stmt_simple_memref_p): Moved here from ...
4900
4901         * tree-data-ref.c (stmt_simple_memref_p): here.
4902         * tree-data-ref.h (stmt_simple_memref_p): Removed.
4903
4904 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
4905
4906         * gcc.dg/graphite/id-4.c: New.
4907
4908 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4909
4910         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4911         (register_old_and_new_names): Update the content of the map.
4912         When there was already a rename_map_elt in the map at that
4913         location, free it.
4914         (copy_bb_and_scalar_dependences): Do rename_variables after
4915         expand_scalar_variables.
4916         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4917         of the map.  When there was already a rename_map_elt in the
4918         map at that location, free it.
4919         (translate_clast): Pass the rename_map.  Do not initialize and free
4920         a rename_map per stmt_user.
4921         (gloog): Initialize and free one rename_map and pass it to
4922         translate_clast.
4923
4924 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
4925
4926         * sese.c (expand_scalar_variables_stmt,
4927         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
4928         parameter.
4929         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
4930         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
4931         the gimple_stmt_iterator of the statement to be expanded.
4932         * graphite-scop-detection.c (is_simple_operand): Do handle
4933         REALPART_EXPR.
4934
4935 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4936
4937         * graphite-scop-detection.c (is_simple_operand): Do not handle
4938         REALPART_EXPR.
4939         * gcc.dg/graphite/id-2.c: New.
4940
4941         * graphite-sese-to-poly.c (build_bb_loops,
4942         add_value_to_dim, scan_tree_for_params_right_scev,
4943         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
4944         find_params_in_bb, build_loop_iteration_domains,
4945         add_conditions_to_domain): Remove subtract.
4946
4947 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4948
4949         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
4950         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
4951         pbb_loop_at_index -> gbb_loop_at_index.
4952         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
4953         (debug_loop_vec): Delete.
4954         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
4955         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
4956         (PBB_LOOPS): Removed.
4957         (PBB_BLACK_BOX): Insert cast.
4958         (pbb_set_black_box): New setter.
4959         (pbb_loop_at_index, pbb_loop_index): Removed.
4960         (scop_set_region, scop_set_nb_params): New.
4961         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
4962         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
4963         (build_poly_scop): Use scop_set_nb_params.
4964         * sese.h (gimple_bb): Add LOOPS.
4965         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
4966
4967 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4968
4969         Revert previous commit.
4970
4971 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4972
4973         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
4974         (register_old_and_new_names): Update the content of the map.
4975         When there was already a rename_map_elt in the map at that
4976         location, free it.
4977         (copy_bb_and_scalar_dependences): Do rename_variables after
4978         expand_scalar_variables.
4979         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
4980         of the map.  When there was already a rename_map_elt in the
4981         map at that location, free it.
4982         (translate_clast): Pass the rename_map.  Do not initialize and free
4983         a rename_map per stmt_user.
4984         (gloog): Initialize and free one rename_map and pass it to
4985         translate_clast.
4986
4987 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4988
4989         Remove forgotten line in revert.
4990
4991 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
4992
4993         Revert previous commit.
4994
4995 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4996
4997         * sese.c (register_old_and_new_names): Update the content
4998         of the map.  When there was already a rename_map_elt in the
4999         map at that location, free it.
5000         (copy_bb_and_scalar_dependences): Do rename_variables after
5001         expand_scalar_variables.
5002         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
5003         of the map.  When there was already a rename_map_elt in the
5004         map at that location, free it.
5005         (translate_clast): Pass the rename_map.  Do not initialize and free
5006         a rename_map per stmt_user.
5007         (gloog): Initialize and free one rename_map and pass it to
5008         translate_clast.
5009
5010 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
5011
5012         * graphite-clast-to-gimple.c (translate_clast): context_loop
5013         is never NULL.
5014
5015 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5016             Sebastian Pop  <sebastian.pop@amd.com>
5017
5018         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
5019         of the use of ppl_Polyhedron_map_space_dimensions.
5020
5021 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5022             Sebastian Pop  <sebastian.pop@amd.com>
5023
5024         * graphite-poly.c (unify_scattering_dimensions): Fix types.
5025         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
5026         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
5027         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
5028         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
5029         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
5030         pbb_nb_params): New.
5031         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
5032         nb_loops_around_pbb): Adapt return types.
5033
5034 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5035
5036         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5037         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5038         graphite-scop-detection.o, graphite-poly.o): Add
5039         more headers.
5040
5041 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
5042
5043         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
5044         graphite-clast-to-gimple.o,  graphite-data-ref.o,
5045         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
5046
5047 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5048
5049         * gcc.dg/graphite/pr37485.c: Remove -floop-block
5050         * gcc.dg/graphite/pr37828.c: Same.
5051         * gcc.dg/graphite/pr37684.c: Same.
5052         * gcc.dg/graphite/block-0.c: Same.
5053         * gcc.dg/graphite/block-1.c: Same.
5054         * gcc.dg/graphite/block-2.c: Same.
5055         * gcc.dg/graphite/block-3.c: Same.
5056         * gcc.dg/graphite/block-4.c: Same.
5057         * gcc.dg/graphite/block-5.c: Same.
5058         * gcc.dg/graphite/block-6.c: Same.
5059         * gfortran.dg/graphite/pr38083.f90: Same.
5060         * gfortran.dg/graphite/block-1.f90: Same.
5061         * gfortran.dg/graphite/block-3.f90: Same.
5062         * gfortran.dg/graphite/pr37852.f90: Same.
5063         * gfortran.dg/graphite/block-4.f90: Same.
5064         * gfortran.dg/graphite/pr37980.f90: Same.
5065         * gfortran.dg/graphite/pr38953.f90: Same.
5066         * gfortran.dg/graphite/pr37857.f90: Same.
5067         * opts.c: Remove -floop-block from -O2.
5068         * graphite-poly.c: Fail if -floop-block -floop-interchange or
5069         -floop-strip-mine are used.
5070
5071 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5072             Sebastian Pop  <sebastian.pop@amd.com>
5073
5074         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
5075         dimensions.
5076         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
5077         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
5078         strip_mine_profitable_p, is_interchange_valid,
5079         graphite_trans_bb_block, graphite_trans_loop_block,
5080         graphite_trans_scop_block): Temporary removed.
5081         (extend_scattering, unify_scattering_dimensions): New.
5082         (print_scattering_function, graphite_read_transforms):
5083         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5084         (graphite_generate_scattering_fns): Removed.
5085         (apply_poly_transforms): Cleanup.
5086         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5087         (schedule_to_scattering): Moved.
5088         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
5089         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
5090         (pbb_nb_scattering): New.
5091         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5092         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
5093         Removed.
5094         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
5095         shift_poly.
5096         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
5097         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
5098         -> PBB_TRANSFORMED_SCATTERING.
5099         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
5100         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
5101         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
5102         (check_poly_representation): Do not return bool.
5103         (graphite_transform_loops): Reformat.
5104         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
5105
5106 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
5107
5108         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
5109         debug_pbb_domain, debug_pbb, debug_scop): New.
5110         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
5111         debug_pbb_domain, debug_pbb, debug_scop): Declared.
5112
5113 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5114
5115         PR middle-end/39335
5116         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5117         when the type precision of the induction variable should be
5118         larger than the type precision of nit.
5119         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5120         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
5121         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5122
5123         * gcc.dg/graphite/pr39335_1.c: New.
5124         * gcc.dg/graphite/pr39335.c: New.
5125
5126 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5127
5128         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
5129         SSA_NAMES not struct reduction_info.
5130
5131 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5132
5133         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
5134
5135 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5136             Tobias Grosser  <grosser@fim.uni-passau.de>
5137
5138         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
5139         (free_sese): Free SESE_REDUCTION_LIST.
5140         * sese.h (struct sese): Add field reduction_list.
5141         (SESE_REDUCTION_LIST): New.
5142         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
5143         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
5144
5145 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5146             Tobias Grosser  <grosser@fim.uni-passau.de>
5147
5148         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
5149         of loop_p.
5150
5151 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5152             Tobias Grosser  <grosser@fim.uni-passau.de>
5153
5154         * tree-parloops.c (struct brli, build_reduction_list_info,
5155         analyze_reduction_list, gather_scalar_reductions): New.
5156         (loop_parallel_p): Build a reduction list containing only
5157         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
5158         (gen_parallel_loop): Call the analysis analyze_reduction_list.
5159         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
5160         * tree-flow.h (gather_scalar_reductions): Declared.
5161
5162 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
5163
5164         PR middle-end/39308
5165         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
5166         number_of_iterations_exit from a gcc_assert.
5167
5168 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
5169             Jan Sjodin  <jan.sjodin@amd.com>
5170
5171         * output.h (graphite_out_file, graphite_in_file): Declared.
5172         * toplev.c (graphite_out_file, graphite_in_file): New.
5173         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
5174         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
5175         Don't call schedule_to_scattering.
5176         * common.opt (fgraphite-write, fgraphite-read): New.
5177         * graphite-poly.c: Include output.h.
5178         (print_scattering_function, print_scattering_functions,
5179         debug_scattering_function, debug_scattering_functions,
5180         graphite_write_transforms, graphite_read_transforms,
5181         graphite_generate_scattering_fns): New.
5182         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
5183         Call graphite_generate_scattering_fns, graphite_write_transforms,
5184         graphite_read_transforms.
5185         (new_poly_bb): Initialize PBB_SCATTERING.
5186         (free_poly_bb): Free PBB_SCATTERING.
5187         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
5188         * graphite-poly.h (struct poly_bb): Add field scattering.
5189         (PBB_SCATTERING): New.
5190         (print_scattering_function, print_scattering_functions,
5191         debug_scattering_function, debug_scattering_functions): Declared.
5192         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
5193         GMP values, not integers!
5194         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
5195         ppl_read_polyhedron_matrix): New.
5196         * graphite-ppl.h (ppl_print_polyhedron_matrix,
5197         debug_ppl_polyhedron_matrix,
5198         ppl_read_polyhedron_matrix): Declared.
5199         * Makefile.in (graphite-poly.o): Depends on output.h.
5200
5201 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5202             Tobias Grosser  <grosser@fim.uni-passau.de>
5203
5204         Revert this change:
5205         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5206         scalar evolutions in the scop_entry->loop_father.
5207
5208 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5209             Tobias Grosser  <grosser@fim.uni-passau.de>
5210
5211         * graphite.h (ref_nb_loops): Remove declaration.
5212         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
5213         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
5214         debug_gbb): Moved to sese.h.
5215         * sese.h: As said.
5216
5217 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5218             Tobias Grosser  <grosser@fim.uni-passau.de>
5219
5220         * graphite-data-ref.[ch]: Disable.
5221
5222 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5223             Tobias Grosser  <grosser@fim.uni-passau.de>
5224
5225         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
5226         scalar evolutions in the scop_entry->loop_father.
5227
5228 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5229
5230         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
5231         (graphite_cannot_represent_loop_niter): Renamed
5232         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
5233         (limit_scops): build_sese_loop_nests does not return a bool.
5234         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
5235         * sese.c (nb_reductions_in_loop): ... from here.
5236         (graphite_loop_normal_form): ... from here.
5237         (sese_record_loop): Does not fail, so does not return a bool.
5238         (build_sese_loop_nests): Same.
5239         * sese.h (build_sese_loop_nests): Update declaration.
5240         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
5241         (build_graphite_loop_normal_form): New.
5242         (gloog): Call build_graphite_loop_normal_form.
5243         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
5244         build_sese_loop_nests.
5245
5246         * gcc.dg/graphite/id-1.c: New.
5247
5248 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5249             Tobias Grosser  <grosser@fim.uni-passau.de>
5250
5251         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
5252         The SCoP detection fix is sufficient.
5253
5254 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5255
5256         PR tree-optimization/39260
5257         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
5258         the basic block contains a condition with a real type.
5259         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
5260
5261         * gcc.dg/graphite/pr39260.c: New.
5262
5263 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5264
5265         * graphite-poly.c: Inlcude params.h.
5266         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
5267         the size of a tile.
5268         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
5269         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
5270
5271 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5272             Tobias Grosser  <grosser@fim.uni-passau.de>
5273
5274         * graphite-scop-detection.c (dot_all_scops_1,
5275         dot_all_scops): Moved here.
5276         * graphite-scop-detection.h (dot_all_scops): Declared here.
5277         * graphite.c (graphite_initialize, graphite_finalize): New.
5278         (graphite_transform_loops): Cleaned up.
5279         * sese.c (debug_oldivs): Moved here.
5280         * graphite-poly.c (graphite_apply_transformations): Renamed
5281         apply_poly_transforms.
5282         (debug_loop_vec): Moved here.
5283         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
5284         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
5285         find_scop_parameters, build_scop_iteration_domain,
5286         add_conditions_to_constraints, build_scop_canonical_schedules,
5287         build_scop_data_accesses): Now static.
5288         (build_poly_scop, check_poly_representation): New.
5289
5290 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5291
5292         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
5293         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
5294         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
5295         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
5296         scan_tree_for_params_right_scev, scan_tree_for_params_int,
5297         scan_tree_for_params, struct irp_data, dx_record_params,
5298         find_params_in_bb, find_scop_parameters, gbb_from_bb,
5299         build_loop_iteration_domains, add_conditions_to_domain,
5300         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
5301         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
5302         build_sese_conditions, add_conditions_to_constraints,
5303         build_scop_iteration_domain, build_access_matrix_with_af,
5304         build_access_matrix,
5305         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
5306
5307         * graphite-sese-to-poly.c: New.
5308         * graphite-sese-to-poly.h: New.
5309
5310         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
5311
5312 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5313
5314         * graphite.c: Split graphite code generation to a new file.
5315         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
5316         max_precision_type, clast_to_gcc_expression_red,
5317         clast_to_gcc_expression, gcc_type_for_clast_expr,
5318         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
5319         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
5320         graphite_create_new_guard, clast_get_body_of_loop,
5321         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
5322         graphite_create_new_loop, build_iv_mapping, copy_renames,
5323         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5324         compute_cloog_iv_types, free_scattering, save_var_name,
5325         initialize_cloog_names, build_scop_context, build_cloog_prog,
5326         set_cloog_options, debug_clast_stmt, scop_to_clast,
5327         print_generated_program, debug_generated_program,
5328         gloog): Moved to graphite-clast-to-gimple.c.
5329
5330         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
5331
5332         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
5333         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
5334         loop_iv_stack_pop, loop_iv_stack_get_iv,
5335         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
5336         free_loop_iv_stack, loop_iv_stack_remove_constants,
5337         debug_rename_elt, debug_rename_map_1, debug_rename_map,
5338         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
5339         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
5340         eq_ivtype_map_elts, sese_add_exit_phis_edge,
5341         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
5342         get_vdef_before_sese, sese_adjust_vphi,
5343         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
5344         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
5345         is_iv, expand_scalar_variables_ssa_name,
5346         expand_scalar_variables_expr, expand_scalar_variables_stmt,
5347         expand_scalar_variables, rename_variables, remove_condition,
5348         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
5349         add_loop_exit_phis, insert_loop_close_phis, struct igp,
5350         default_liveout_before_guard, add_guard_exit_phis,
5351         insert_guard_phis, register_old_and_new_names,
5352         graphite_copy_stmts_from_block, register_sese_liveout_renames,
5353         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
5354         if_region_set_false_region, create_if_region_on_edge,
5355         move_sese_in_condition): Moved to sese.c.
5356
5357         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
5358         if_region_exit, if_region_get_condition_block,
5359         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
5360         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
5361         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
5362         ivtype_map_elt, new_ivtype_map_elt,
5363         recompute_all_dominators): Moved to sese.h.
5364
5365         * graphite-clast-to-gimple.c: New.
5366         * graphite-clast-to-gimple.h: New.
5367         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
5368         * sese.c: Modified as said above.
5369         * sese.h: Same.
5370
5371 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
5372
5373         * graphite.c: Split scop detection to a new file.
5374         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
5375         move_sd_regions, loop_affine_expr, exclude_component_ref,
5376         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
5377         graphite_cannot_represent_loop_niter, struct scopdet_info,
5378         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
5379         find_single_entry_edge, find_single_exit_edge,
5380         create_single_entry_edge, sd_region_without_exit,
5381         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
5382         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
5383         Moved to graphite-scop-detection.c.
5384
5385         * graphite-scop-detection.c: New.
5386         * graphite-scop-detection.h: New.
5387         * Makefile.in: Add new rule for graphite-scop-detection.o.
5388
5389         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
5390         tree-scalar-evolution.h.
5391         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
5392         build_sese_loop_nests): Moved here from graphite.c.
5393         (param_index): Renamed parameter_index_in_region.
5394
5395 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5396             Sebastian Pop  <sebastian.pop@amd.com>
5397
5398         * gcc.dg/graphite/block-0.c: Expected to fail now.
5399         * gcc.dg/graphite/block-1.c: Same.
5400         * gcc.dg/graphite/block-5.c: Same.
5401         * gcc.dg/graphite/block-6.c: Same.
5402
5403 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
5404             Sebastian Pop  <sebastian.pop@amd.com>
5405
5406         * graphite.h: Separate from graphite_bb_p the polyhedral
5407         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
5408         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
5409         graphite-data-ref.h.
5410         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
5411         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
5412         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
5413         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
5414         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
5415         scop_nb_params): Moved to graphite-poly.h.
5416         * graphite-data-ref.c: Same.
5417         * graphite-data-ref.h: New.
5418         * graphite.c: Same.
5419         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
5420         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
5421         is_interchange_valid, graphite_trans_bb_block,
5422         graphite_trans_loop_block, scop_max_loop_depth,
5423         graphite_trans_scop_block, graphite_apply_transformations,
5424         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
5425         graphite-poly.c.
5426         * graphite-poly.h: New.
5427         * graphite-poly.c: New.
5428         * Makefile.in (OBJS-common): Add graphite-poly.o.
5429         (graphite-poly.o): New rule.
5430         * tree-data-ref.h (struct data_reference): Remove unused scop field.
5431         (DR_SCOP): Removed.
5432
5433 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5434             Tobias Grosser  <grosser@fim.uni-passau.de>
5435
5436         * graphite.c: Replace gb -> gbb.
5437         * graphite.h: Same.
5438         * graphite-data-ref.c: Same.
5439
5440 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
5441             Tobias Grosser  <grosser@fim.uni-passau.de>
5442
5443         * Makefile.in (OBJS-commmon): Add sese.o.
5444         (sese.o): New.
5445         (graphite.o): Add sese.h.
5446         * graphite.c (bb_in_ss_p, loop_in_sese_p,
5447         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
5448         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
5449         Move to sese.
5450         (block_before_scop): Add missing return.
5451         (new_scop, free_scop): Remove SESE data structures.
5452         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
5453         find_scop_parameters, build_loop_iteration_domains,
5454         add_conditions_to_domain, register_scop_liveout_renames,
5455         copy_bb_and_scalar_dependences): Scop -> SESE.
5456
5457         (add_conditions_to_domain): SCoP -> SESE and remove check
5458         (scop_contains_non_iv_scalar_phi_nodes): New.
5459         (build_scop_conditions_1, build_scop_conditions): Remove check for
5460         non iv scalar phi nodes.
5461         (print_scop_statistics): New.
5462         (graphite_transform_loops): Cleanup.
5463
5464         * graphite.h: Move to sese & cleanup.
5465         * sese.c: New.
5466         * sese.h: New.
5467
5468 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5469             Tobias Grosser  <grosser@fim.uni-passau.de>
5470
5471         * graphite.c (build_scop_conditions_1): Conditions are only
5472         at the end of a basic block.
5473
5474 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5475             Tobias Grosser  <grosser@fim.uni-passau>
5476
5477         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
5478         field.
5479         (GBB_ALPHA): Removed.
5480
5481 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5482             Tobias Grosser  <grosser@fim.uni-passau.de>
5483
5484         * graphite-data-ref.c (graphite_test_dependence): Don't use
5485         GBB_DYNAMIC_SCHEDULE.
5486         * graphite.c (new_graphite_bb): Same.
5487         (free_graphite_bb): Same.
5488         (build_scop_dynamic_schedules): Removed.
5489         (graphite_transform_loops): Don't call it.
5490         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
5491         (GBB_DYNAMIC_SCHEDULE): Removed.
5492
5493 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5494             Tobias Grosser  <grosser@fim.uni-passau.de>
5495
5496         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
5497         (print_graphite_bb): Same.
5498         (build_cloog_prog): Same.
5499
5500 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5501             Tobias Grosser  <grosser@fim.uni-passau.de>
5502
5503         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
5504
5505 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5506             Tobias Grosser  <grosser@fim.uni-passau.de>
5507
5508         * graphite.c (build_scop_context): Don't use CloogMatrix.
5509         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
5510         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
5511
5512 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5513             Tobias Grosser  <grosser@fim.uni-passau.de>
5514
5515         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
5516         liveout_renames, add_params fields...
5517         (struct sese): ... here.
5518         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
5519         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
5520
5521 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5522             Tobias Grosser  <grosser@fim.uni-passau.de>
5523
5524         * graphite.c (print_scop): Do not print the CLooG program.
5525         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
5526         build_cloog_prog, gloog): Don't use SCOP_PROG.
5527         (find_transform): Renamed scop_to_clast.
5528         (print_generated_program, debug_generated_program): New.
5529         (graphite_transform_loops): Adapt to new interface.
5530         * graphite.h (struct scop): Remove program field.
5531         (SCOP_PROG): Removed.
5532         (print_generated_program, debug_generated_program): Declared.
5533
5534 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
5535
5536         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
5537         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
5538         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
5539         free_graphite_bb, build_scop_canonical_schedules,
5540         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
5541         schedules are now represented using a ppl_Linear_Expression_t.
5542         * graphite.h (struct graphite_bb): Same.
5543         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
5544         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
5545
5546 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5547
5548         * graphite.c: Free local memory.
5549         * graphite-ppl.c: Same.
5550
5551 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
5552
5553         * graphite.c (const_column_index, get_first_matching_sign_row_index,
5554         get_lower_bound_row, get_upper_bound_row, copy_constraint,
5555         swap_constraint_variables, scale_constraint_variable): Removed.
5556         (graphite_trans_bb_strip_mine): Remove pong.
5557         * graphite-ppl.c: Include missing header files.
5558         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
5559         * graphite-ppl.h (ppl_strip_loop): Declared.
5560         * Makefile.in (graphite-ppl.o): Adjust dependences.
5561
5562 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
5563
5564         * graphite.c (build_loop_iteration_domains): Remove ping pong.
5565         (build_scop_iteration_domain): Same.
5566
5567 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5568
5569         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5570         ping pong.
5571         (add_value_to_dim, scan_tree_for_params_right_scev,
5572         scan_tree_for_params_int): New.
5573         * graphite-ppl.c (oppose_constraint): New.
5574         (insert_constraint_into_matrix): Implement missing cases.
5575         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5576
5577 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
5578
5579         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5580         use ppl_move_dimension.
5581
5582 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5583
5584         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
5585         * graphite.c: Same.
5586         * graphite.h: Same.
5587         * graphite-ppl.c: Same.
5588         * graphite-ppl.h: Same.
5589
5590 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
5591
5592         Revert last 3 commits.
5593
5594 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5595
5596         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
5597         ping pong.
5598         (add_value_to_dim, scan_tree_for_params_right_scev,
5599         scan_tree_for_params_int): New.
5600         * graphite-ppl.c (oppose_constraint): New.
5601         (insert_constraint_into_matrix): Implement missing cases.
5602         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
5603
5604 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5605
5606         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
5607
5608 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5609             Tobias Grosser  <grosser@fim.uni-passau.de>
5610
5611         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
5612         use ppl_move_dimension.
5613         * graphite-ppl.c (ppl_move_dimension): New.
5614         * graphite-ppl.h (ppl_move_dimension): Declared.
5615
5616 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
5617
5618         * graphite.c: Do not include cloog/cloog.h.
5619         (print_graphite_bb): Remove ping pong, call PPL print function.
5620
5621 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5622
5623         * Makefile.in (OBJS-common): Add graphite-ppl.o.
5624         (graphite.o): Add dependence on graphite-ppl.h.
5625         (graphite-ppl.o): New.
5626         (graphite-data-ref.c): Ping pong between PPL data structures
5627         and matrices.
5628         * graphite-ppl.c: New.
5629         * graphite-ppl.h: New.
5630         * graphite.c: Include graphite-ppl.h.
5631         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
5632         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
5633         Ping pong between PPL data structures and matrices.
5634         (new_graphite_bb): Create a PPL constraint system.
5635         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
5636         (build_loop_iteration_domains): Use PPL functions.
5637         * graphite.h: Include graphite-ppl.h.  Fix comments.
5638         (graphite_bb): Use a ppl_Constraint_System_t instead of
5639         CloogMatrix for representing the domain.
5640         (scop): Remove static_schedule.
5641         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
5642
5643 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c: Fix some comments.
5646
5647 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
5648
5649         PR middle-end/38953
5650         * graphite.c (if_region_set_false_region): After moving a region
5651         in the false branch of a condition, remove the empty dummy
5652         basic block.
5653         (gloog): Remove wrong fix for PR38953.
5654
5655 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5656
5657         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5658         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5659         register_bb_in_sese, new_sese, free_sese): Moved.
5660         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5661         outermost_loop_in_scop, build_scop_iteration_domain,
5662         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5663         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5664         Use loop_in_sese_p instead of loop_in_scop_p.
5665         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
5666         (free_scop): Do not free SCOP_BBS_B.
5667         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
5668         ref_nb_loops): Moved here...
5669         * graphite.h (ref_nb_loops): ... from here.
5670         (struct scop): Remove bbs_b bitmap.
5671         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5672         * gcc.dg/graphite/scop-19.c: New
5673
5674 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
5675
5676         * graphite.c (scopdet_basic_block_info): Fix bug in scop
5677         detection.
5678
5679 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5680
5681         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5682         eq_loop_to_cloog_loop): Remove.
5683         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
5684         * graphite.h (struct scop): Remove loop2cloog_loop.
5685         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5686
5687 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
5688
5689         * opts.c (decode_options): Only add graphite options to O2
5690         if we compile with graphite enabled.
5691
5692 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5693
5694         * Merge from mainline (r143163:143684).
5695
5696 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         * graphite.c (debug_value): Removed.
5699         * graphite.h (debug_value): Removed.
5700
5701 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5702
5703         * passes.c (init_optimization_passes): Do not call pass_copy_prop
5704         after graphite: pass_copy_prop does not maintain a proper loop closed
5705         SSA form.  pass_copy_prop should be fixed.
5706
5707 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5708
5709         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
5710
5711 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
5712
5713         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
5714         (gloog): Split the exit of the scop when the scop exit is a loop exit.
5715         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
5716         changed the CFG.
5717
5718 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
5719
5720         * graphite.c (gloog): Return true when code gen succeeded.
5721         (graphite_transform_loops): Do not call cleanup_tree_cfg if
5722         the code of the function did not changed.  After cleanup_tree_cfg
5723         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
5724         form.
5725
5726 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
5727
5728         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
5729         gimple_call_lhs is NULL.
5730
5731 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5732             Tobias Grosser  <tobi.grosser@amd.com>
5733
5734         * graphite.c (graphite_trans_scop_block): Do not block single
5735         nested loops.
5736
5737 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5738             Tobias Grosser  <tobi.grosser@amd.com>
5739
5740         * graphite.c (build_scop_canonical_schedules): Start schedules at
5741         zero.
5742
5743 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5744             Tobias Grosser  <tobi.grosser@amd.com>
5745
5746         * graphite.c (compare_prefix_loops): New.
5747         (build_scop_canonical_schedules): Rewritten.
5748         (graphite_transform_loops): Move build_scop_canonical_schedules
5749         after build_scop_iteration_domain.
5750
5751 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5752             Tobias Grosser  <tobi.grosser@amd.com>
5753
5754         * graphite.c (add_conditions_to_domain): Add the loops to
5755         the dimension of the iteration domain.  Do copy the domain
5756         only when it exists.
5757         (build_scop_conditions_1): Do not call add_conditions_to_domain.
5758         (add_conditions_to_constraints): New.
5759         (can_generate_code_stmt, can_generate_code): Removed.
5760         (gloog): Do not call can_generate_code.
5761         (graphite_transform_loops): Call add_conditions_to_constraints
5762         after building the iteration domain.
5763
5764 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5765             Tobias Grosser  <tobi.grosser@amd.com>
5766             Jan Sjodin  <jan.sjodin@amd.com>
5767
5768         * graphite.c (scan_tree_for_params): On substractions negate
5769         all the coefficients of the term.
5770         (clast_to_gcc_expression_red): New.  Handle reduction expressions
5771         of more than two operands.
5772         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
5773         (get_vdef_before_scop): Handle also the case of default definitions.
5774
5775 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
5776
5777         PR middle-end/38431
5778         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5779         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5780         (gloog): Do not call cleanup_tree_cfg.
5781         (graphite_transform_loops): Call cleanup_tree_cfg after all
5782         scops have been code generated.
5783
5784 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5785
5786         * passes.c (init_optimization_passes): Schedule after
5787         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
5788
5789 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
5790
5791         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
5792         Fix comment.
5793         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
5794         Set the type of an expression to the type of its assign statement.
5795         (expand_scalar_variables_expr):  Do not pass loop_p.
5796         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
5797         (copy_bb_and_scalar_dependences): Do not pass loop_p.
5798         (translate_clast): Update call to copy_bb_and_scalar_dependences.
5799
5800 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5801
5802         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
5803         an expression to the gimple_expr_type of its assign statement.
5804         (expand_scalar_variables_expr): Stop recursion on tcc_constant
5805         or tcc_declaration.
5806
5807 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
5808
5809         PR tree-optimization/38786
5810         * gcc.dg/graphite/pr38786.c: New.
5811         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5812         the SSA_NAME case of expand_scalar_variables_expr.
5813         (expand_scalar_variables_expr): Also gather the scalar computation
5814         used to index the memory access.
5815         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5816         the gimple_stmt_iterator where it inserts new code.
5817
5818 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5819
5820         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
5821
5822 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
5823
5824         * opts.c (decode_options): Enable flag_graphite_identity and
5825         flag_loop_block in -O2 and above.
5826
5827 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5828
5829         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
5830         Fix merge problem: replace with the file from trunk.
5831
5832 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
5833
5834         * Merge from mainline (r141727:143163).
5835
5836 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
5837             Jan Sjodin  <jan.sjodin@amd.com>
5838
5839         PR tree-optimization/38559
5840         * gcc.dg/graphite/pr38559.c: New.
5841
5842         * graphite.c (debug_value, copy_constraint,
5843         swap_constraint_variables, scale_constraint_variable, ): New.
5844         (get_lower_bound, get_upper_bound): Removed.
5845         (graphite_trans_bb_strip_mine): Clean up this code that works
5846         only for constant number of iterations.  Fully copy upper and
5847         lower bound constraints, not only the constant part of them.
5848         * graphite.h (debug_value): Declared.
5849
5850 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
5851
5852         PR tree-optimization/38492
5853         PR tree-optimization/38498
5854         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5855         * tree-chrec.h (scev_is_linear_expression): Declared.
5856         * graphite.c (graphite_cannot_represent_loop_niter): New.
5857         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5858         (graphite_loop_normal_form): Use gcc_assert.
5859         (scan_tree_for_params): Use CASE_CONVERT.
5860         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5861         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5862         Use gcc_assert.  Discard scops that contain unhandled cases.
5863         (build_scop_conditions): Return a boolean status for unhandled cases.
5864         (strip_mine_profitable_p): Print the loop number, not its depth.
5865         (is_interchange_valid): Pass the depth of the loop nest, don't
5866         recompute it wrongly.
5867         (graphite_trans_bb_block): Same.
5868         (graphite_trans_bb_block): Print tentative of loop blocking.
5869         (graphite_trans_scop_block): Do not print that the loop has been
5870         blocked.
5871         (graphite_transform_loops): Do not handle scops that contain condition
5872         scalar phi nodes.
5873
5874         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
5875         in trunk.
5876         * gcc.dg/graphite/block-0.c: Update test.
5877         * gcc.dg/graphite/block-1.c: Same.
5878         * gcc.dg/graphite/block-2.c: Remove xfail and test for
5879         blocking.
5880         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
5881         * gcc.dg/graphite/block-3.c: New.
5882         * gcc.dg/graphite/pr38498.c: New.
5883
5884 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
5885
5886         PR tree-optimization/38510
5887         * gcc.dg/graphite/pr38510.c: New.
5888         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5889           (translate_clast): Call recompute_all_dominators before
5890           graphite_verify.
5891           (gloog): Call recompute_all_dominators before graphite_verify.
5892
5893 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
5894
5895         PR tree-optimization/38492
5896         * graphite.c (rename_map_elt, debug_rename_elt,
5897         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5898         rename_map_elt_info, eq_rename_map_elts,
5899         get_new_name_from_old_name, bb_in_sese_p): Moved around.
5900         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5901         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5902         (sese_build_livein_liveouts): New.
5903         (new_sese, free_sese): New.
5904         (new_scop): Call new_sese.
5905         (free_scop): Call free_sese.
5906         (rename_variables_from_edge, rename_phis_end_scop): Removed.
5907         (register_old_new_names): Renamed register_old_and_new_names.
5908         (register_scop_liveout_renames, add_loop_exit_phis,
5909         insert_loop_close_phis, struct igp,
5910         default_liveout_before_guard, add_guard_exit_phis,
5911         insert_guard_phis, copy_renames): New.
5912         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5913         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5914         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5915         (scop_adjust_phis_for_liveouts): New.
5916         (gloog): Call scop_adjust_phis_for_liveouts.
5917
5918         * graphite.h (struct sese): Documented.  Added fields liveout,
5919         num_ver and livein.
5920         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5921         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5922         (struct scop): Added field liveout_renames.
5923         (SCOP_LIVEOUT_RENAMES): New.
5924
5925 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5926
5927         PR tree-optimization/38409
5928         * gcc.dg/graphite/pr38409.c: New.
5929         * graphite.c (nb_reductions_in_loop): Use simple_iv.
5930
5931 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5932
5933         * graphite.c (gcc_type_for_cloog_iv): By default return
5934         integer_type_node.
5935         (graphite_create_new_loop): Don't fold_convert the already
5936         fold_convert-ed expression.
5937
5938 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
5939
5940         PR tree-optimization/38446
5941         * gcc.dg/graphite/pr38446.c: New.
5942         * graphite.c (register_bb_in_sese): New.
5943         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
5944         looking at the bbs in the region.
5945         * graphite.h (sese): Add region_basic_blocks pointer set to
5946         structure and initialize at the time of defining new scop.
5947
5948 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5949
5950         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
5951         (find_params_in_bb): Do not free data refs.
5952         (free_graphite_bb): Add FIXME on disabled free_data_refs.
5953
5954 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
5955
5956         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
5957         * gcc.dg/graphite/scop-17.c: Same.
5958         * gcc.dg/graphite/block-5.c: New.
5959         * gcc.dg/graphite/block-6.c: New.
5960         * gcc.dg/graphite/pr37485.c: Clean dump file after.
5961         * gcc.dg/graphite/pr37684.c: Same.
5962         * gcc.dg/graphite/block-2.c: Same.
5963
5964         * graphite.c (struct ivtype_map_elt): New.
5965         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
5966         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
5967         gcc_type_for_cloog_iv): New.
5968         (loop_iv_stack_patch_for_consts): Use the type of the induction
5969         variable from the original loop, except for the automatically
5970         generated loops, i.e., in the case of a strip-mined loop, in
5971         which case there is no original loop: in that case just use
5972         integer_type_node.
5973         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
5974         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
5975         (clast_name_to_gcc): Accept params to be NULL.
5976         (clast_to_gcc_expression): Take an extra parameter for the type.
5977         Convert to that type all the expressions built by this function.
5978         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
5979         (graphite_translate_clast_equation): Compute the type of the
5980         clast_equation before translating its LHS and RHS.
5981         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
5982         (graphite_create_new_loop): Compute the type of the induction
5983         variable before translating the lower and upper bounds and before
5984         creating the induction variable.
5985         (rename_variables_from_edge, rename_phis_end_scop): New.
5986         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
5987         (sese_add_exit_phis_edge): Do not use integer_zero_node.
5988         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
5989         compute_cloog_iv_types): New.
5990         (gloog): Call compute_cloog_iv_types before starting the
5991         translation of the clast.
5992
5993         * graphite.h (struct graphite_bb): New field cloog_iv_types.
5994         (GBB_CLOOG_IV_TYPES): New.
5995         (debug_ivtype_map): Declared.
5996         (oldiv_for_loop): New.
5997
5998 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5999
6000         PR middle-end/38459
6001         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
6002         (param_index): Assert if parameter is not know after parameter
6003         detection.
6004         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
6005         (find_scop_parameters): Mark, that we have finished parameter
6006         detection.
6007         (graphite_transform_loops): Move condition detection before parameter
6008         detection.
6009         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
6010         * gfortran.dg/graphite/pr38459.f90: New.
6011
6012 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6013
6014         * graphite.c (graphite_transform_loops): Always call find_transform ()
6015         in ENABLE_CHECKING.  So we test these code paths, even if we do not
6016         generate code.
6017
6018 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
6019
6020         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
6021         (print_scop): Ditto.
6022
6023 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6024
6025         PR middle-end/38084
6026         Fix gfortran.dg/graphite/id-3.f90.
6027         * graphite.c (scopdet_basic_block_info): Fix bug that found some
6028         regions more than once.
6029
6030 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6031
6032         Fix gfortran.dg/graphite/id-4.f90.
6033         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
6034         when not needed.
6035
6036 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6037
6038         Fix gfortran.dg/graphite/id-1.f90.
6039         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
6040         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
6041         (max_precision_type): New.
6042         (value_clast): Removed.
6043         (clast_to_gcc_expression): Be more careful to types of expressions.
6044         Use max_precision_type and update use of gmp_cst_to_tree.
6045         (graphite_translate_clast_equation): Use max_precision_type.
6046         (graphite_create_guard_cond_expr): Do not use integer_type_node,
6047         use the type of the condition.
6048         (graphite_create_new_loop): Do not use integer_type_node, use the
6049         max_precision_type of lb and ub.
6050
6051 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
6052
6053         * graphite.c (build_scops_1): Initialize open_scop.exit
6054         and sinfo.last.
6055
6056 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6057
6058         * gcc.dg/graphite/pr38084.c: New.
6059         * gfortran.dg/graphite/id-1.f90: New.
6060         * gfortran.dg/graphite/id-2.f90: New.
6061         * gfortran.dg/graphite/id-3.f90: New.
6062         * gfortran.dg/graphite/id-4.f90: New.
6063         * gfortran.dg/graphite/pr37857.f90: New.
6064
6065 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
6066             Jan Sjodin  <jan.sjodin@amd.com>
6067             Harsha Jagasia  <harsha.jagasia@amd.com>
6068
6069         PR middle-end/37852
6070         PR middle-end/37883
6071         PR middle-end/37928
6072         PR middle-end/37980
6073         PR middle-end/38038
6074         PR middle-end/38039
6075         PR middle-end/38073
6076         PR middle-end/38083
6077         PR middle-end/38125
6078
6079         * gcc.dg/graphite/pr38073.c: New.
6080         * gcc.dg/graphite/pr37928.c: New.
6081         * gcc.dg/graphite/pr37883.c: New.
6082         * gcc.dg/graphite/pr38125.c: New.
6083         * gfortran.dg/graphite/pr38083.f90: New.
6084         * gfortran.dg/graphite/pr37852.f90: New.
6085         * gfortran.dg/graphite/pr37980.f90: New.
6086
6087         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
6088         the number of detected scops.  Copy exact same test for loop
6089         blocking...
6090         * gcc.dg/graphite/block-1.c: Fix the number of expected
6091         loops to be blocked as reductions are not handled.
6092         * gcc.dg/graphite/block-4.c: ...here.  New.
6093
6094         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
6095         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
6096         ...here.
6097         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
6098         * Makefile.in (graphite.o): Depend on value-prof.h.
6099         (graphite.o-warn): Removed -Wno-error.
6100         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
6101         to be a NULL pointer.  Call update_stmt.  Return the newly created
6102         cannonical induction variable.
6103
6104         * graphite.h (debug_rename_map): Declared.  Fix some comments.
6105
6106         * graphite.c: Reimplement the code generation from graphite to gimple.
6107         Include value-prof.h.
6108         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
6109         (get_old_iv_from_ssa_name): Removed.
6110         (graphite_stmt_p): New.
6111         (new_graphite_bb): Test for useful statements before building a
6112         graphite statement for the basic block.
6113         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
6114         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
6115         reason.
6116         (recompute_all_dominators, graphite_verify,
6117         nb_reductions_in_loop, graphite_loop_normal_form): New.
6118         (scop_record_loop): Call graphite_loop_normal_form.
6119         (build_scop_loop_nests): Iterate over all the blocks of the
6120         function instead of relying on the incomplete information from
6121         SCOP_BBS.  Return the success of the operation.
6122         (find_params_in_bb): Use the data from GBB_DATA_REFS.
6123         (add_bb_domains): Removed.
6124         (build_loop_iteration_domains): Don't call add_bb_domains.
6125         Add the iteration domain only to the basic blocks that have been
6126         translated to graphite.
6127         (build_scop_conditions_1): Add constraints only if the basic
6128         block have been translated to graphite.
6129         (build_scop_data_accesses): Completely disabled until data
6130         dependence is correctly implemented.
6131         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
6132         (remove_all_edges_1, remove_all_edges): Removed.
6133         (get_new_name_from_old_name): New.
6134         (graphite_rename_variables_in_stmt): Renamed
6135         rename_variables_in_stmt.  Call get_new_name_from_old_name.
6136         Use replace_exp and update_stmt.
6137         (is_old_iv): Renamed is_iv.
6138         (expand_scalar_variables_stmt): Extra parameter for renaming map.
6139         Use replace_exp and update_stmt.
6140         (expand_scalar_variables_expr): Same.  Use the map to get the
6141         new names for the renaming of induction variables and for the
6142         renaming of variables after a basic block has been copied.
6143         (expand_scalar_variables): Same.
6144         (graphite_rename_variables): Renamed rename_variables.
6145         (move_phi_nodes): Removed.
6146         (get_false_edge_from_guard_bb): New.
6147         (build_iv_mapping): Do not insert the induction variable of a
6148         loop in the renaming iv map if the basic block does not belong
6149         to that loop.
6150         (register_old_new_names, graphite_copy_stmts_from_block,
6151         copy_bb_and_scalar_dependences): New.
6152         (translate_clast): Heavily reimplemented: copy basic blocks,
6153         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
6154         At each translation step call graphite_verify ensuring the
6155         consistency of the SSA, loops and dominators information.
6156         (collect_virtual_phis, find_vdef_for_var_in_bb,
6157         find_vdef_for_var_1, find_vdef_for_var,
6158         patch_phis_for_virtual_defs): Removed huge hack.
6159         (mark_old_loops, remove_dead_loops, skip_phi_defs,
6160         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
6161         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
6162         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
6163         if_region_get_condition_block, if_region_set_false_region,
6164         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
6165         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
6166         sese_add_exit_phis_edge, sese_add_exit_phis_var,
6167         rewrite_into_sese_closed_ssa): New.
6168         (gloog): Remove dead code.  Early return if code cannot be
6169         generated.  Call cleanup_tree_cfg once the scop has been code
6170         generated.
6171         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
6172         block loops with less than two loops.
6173         (graphite_apply_transformations): Remove the call to
6174         scop_remove_ignoreable_gbbs.
6175         (limit_scops): When build_scop_loop_nests fails, continue on
6176         the next scop.  Fix open_scop.entry.
6177         (graphite_transform_loops): Call recompute_all_dominators: force the
6178         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
6179         Call initialize_original_copy_tables and free_original_copy_tables
6180         to be able to copy basic blocks during code generation.
6181         When build_scop_loop_nests fails, continue on next scop.
6182         (value_clast): New union.
6183         (clast_to_gcc_expression): Fix type cast warning.
6184
6185 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
6186
6187         * Merge from mainline (r140838:141727).
6188
6189 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6190
6191         PR middle-end/37833
6192
6193         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
6194
6195 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6196
6197         PR middle-end/37943
6198
6199         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
6200         exits and conditions.
6201         * gcc.dg/graphite/pr37943.c: New.
6202
6203 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6204
6205         PR middle-end/37886
6206         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
6207
6208 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
6209
6210         * doc/invoke.texi: Fix spaces.
6211
6212 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
6213
6214         PR tree-optimization/37891
6215         Reverted last commit.
6216         * graphite.c (create_single_entry_edge): Set
6217         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6218
6219 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
6220             Mitul Thakkar  <mitul.thakkar@amd.com>
6221
6222         * graphite.c (create_single_entry_edge): Set
6223         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
6224
6225 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6226
6227         * doc/invoke.texi: Add -fgraphite-identity.
6228         * graphite.c (graphite_apply_transformations): Check for
6229         -fgraphite-identity.
6230         * toplev.c (process_options): Add flag_graphite_identity.
6231         * tree-ssa-loop.c: Add flag_graphite_identity.
6232
6233 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6234
6235         Undo changes from 2008-10-02:
6236         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6237         operand type when copying the operand to a variable of different type.
6238         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6239         with the IV name after increment.
6240
6241 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
6242             Harsha Jagasia  <harsha.jagasia@amd.com>
6243
6244         PR tree-optimization/37828
6245         * gcc.dg/graphite/pr37828.c: New.
6246         * graphite.c (graphite_trans_loop_block): Do not loop block
6247         single nested loops.
6248
6249 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
6250             Sebastian Pop  <sebastian.pop@amd.com>
6251
6252         * graphite.c (struct rename_map_elt, new_rename_map_elt,
6253         rename_map_elt_info, eq_rename_map_elts): New.
6254         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
6255         (expand_scalar_variables_expr): Change parameters.
6256         (expand_scalar_variables_stmt): Same.
6257         (expand_scalar_variables): Same.
6258         (graphite_rename_ivs): Rename graphite_rename_variables.
6259         (build_iv_mapping): New.
6260         (translate_clast): Call build_iv_mapping.
6261         * graphite.h (gbb_p): New name.
6262
6263 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
6264
6265         PR tree-optimization/37684
6266         * gcc.dg/graphite/pr37684.c: New.
6267         * graphite.c (exclude_component_ref): New.
6268         (is_simple_operand): Call exclude_component_ref.
6269
6270 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
6271             Harsha Jagasia  <harsha.jagasia@amd.com>
6272
6273         PR tree-optimization/37485
6274         * gcc.dg/graphite/block-2.c: New
6275         * graphite.c (gmp_cst_to_tree): Moved.
6276         (iv_stack_entry_is_constant): New.
6277         (iv_stack_entry_is_iv): New.
6278         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
6279         (loop_iv_stack_insert_constant): New.
6280         (loop_iv_stack_pop): Use new datatpype.
6281         (loop_iv_stack_get_iv): Same.
6282         (loop_iv_stack_get_iv_from_name): Same.
6283         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
6284         (loop_iv_stack_patch_for_consts): New.
6285         (loop_iv_stack_remove_constants): New.
6286         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
6287         (translate_clast): Call loop_iv_stack_patch_for_consts and
6288         loop_iv_stack_remove_constants.
6289         (gloog): Use new datatype.  Redirect construction edge to end
6290         block to avoid accidental deletion.
6291         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
6292         iv stack entry.
6293         (union iv_stack_entry_data): New.  Data in iv stack entry.
6294         (struct iv_stack_entry): New.  Datatype for iv stack entries.
6295
6296 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6297
6298         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
6299         operand type when copying the operand to a variable of different type.
6300
6301 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6302
6303         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
6304         with the IV name after increment.
6305
6306 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
6307
6308         * Merge from mainline (r140164:140838).
6309
6310 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6311
6312         * graphite-data-ref.c: New.
6313         * graphite.c (print_scop): Also dump the dependence graph.
6314         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
6315         (new_scop): Initialize SCOP_DEP_GRAPH.
6316         (build_scop_dynamic_schedules): New.
6317         (build_access_matrix_with_af): Fixed column numbering.
6318         (graphite_transform_loops): Call build_scop_dynamic_schedules.
6319         * graphite.h: Add ifndef/define guards against multiple inclusion.
6320         (struct scop): Add dep_graph field.
6321         (SCOP_DEP_GRAPH): Defined.
6322         (ref_nb_loops): Fixed and moved to other position.
6323         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
6324         (nb_loops_around_loop_in_scop): New.
6325         (graphite_dump_dependence_graph): Declared.
6326         (graphite_build_rdg_all_levels): Declared.
6327         (graphite_test_dependence): Declared.
6328         * Makefile.in (graphite-data-ref.o): New target.
6329
6330 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
6331
6332         * Merge from mainline (139870:140164).
6333
6334 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * Merge from mainline (138275:139870).
6337         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
6338         the commits from trunk broke the niter detection.
6339
6340 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
6341
6342         * graphite.c: Add more documentation.  Fix formatting.
6343         (debug_loop_vec, debug_oldivs, loop_iv_stack,
6344         loop_iv_stack_debug): Moved...
6345         (schedule_to_scattering): Move before use.
6346         (dot_all_scops): Include in "#if 0" the code for system
6347         call dotty.
6348
6349         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
6350         loop_iv_stack_debug): ...here.
6351
6352 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
6353
6354         * tree-phinodes.c (make_phi_node): Extern.
6355         (add_phi_node_to_bb): New.
6356         (create_phi_node): Call add_phi_node_to_bb.
6357         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
6358         (remove_statement): Handle case where stored phi was updated
6359         and is no longer the same.
6360         * graphite.c (is_parameter): New.
6361         (is_old_iv): New.
6362         (expand_scalar_variables_expr): New.
6363         (expand_scalar_variables_stmt): New.
6364         (expand_scalar_variables): New.
6365         (move_phi_nodes): Create new phi instead of moving old one.
6366         (translate_clast): Call expand_scalar_variables.
6367         (find_vdef_for_var_in_bb): Also scan regular definitions.
6368         (skip_phi_defs): New.
6369         (collect_scop_exit_phi_args): New.
6370         (patch_scop_exit_phi_args): New.
6371         (gloog): Patch phis after scop.
6372         * tree-flow.h: (add_phi_node_to_bb): Declared.
6373         (make_phi_node): Declared.
6374
6375 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6376
6377         * graphite.c (end_scop): Split the entry of the scop when it
6378         is the header of the loop in which the scop is ending.
6379         (build_scops_1, limit_scops): Update uses of end_scop.
6380
6381 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
6382
6383         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
6384         SCOP_ENTRY or SCOP_EXIT.
6385
6386 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6387
6388         * graphite.c (get_construction_edge): Removed.
6389         (gloog): Construction edge is the scop entry edge.
6390
6391 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6392
6393         * graphite.c (can_generate_for_scop): Removed.
6394         (gloog): Do not call it.
6395
6396 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6397
6398         * graphite.c (new_scop): Entry of a scop is an edge.
6399         Initialize SESE region.
6400         (free_scop): Free SESE region.
6401         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
6402         (split_difficult_bb): New, split from end_scop.
6403         (end_scop): Exit of a scop is an edge.
6404         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
6405         not automatically updated and thus is always wrong.
6406         * graphite.h (struct sese): New.
6407         (SESE_ENTRY): New.
6408         (SESE_EXIT): New.
6409         (struct scop): New field for a SESE region.  Remove entry, exit.
6410         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
6411         semantics as before.  Moved comment around.
6412
6413 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6414             Sebastian Pop  <sebastian.pop@amd.com>
6415
6416         * graphite.c (graphite_transform_loops): Always enable gloog
6417         and find_transform when ENABLE_CHECKING.
6418
6419 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6420
6421         * graphite.c (graphite_transform_loops): Move pretty printer
6422         of SCOPs before doing any transform.  Remove call to print_scops
6423         and dot_all_scops_1.
6424
6425 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6426
6427         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
6428         (print_graphite_bb): Same.
6429
6430 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6431
6432         * graphite.c (dot_all_scops_1): Cleanup.
6433         (move_scops): Fix comment.
6434
6435 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
6436
6437         * graphite.c (build_scop_bbs): Revert commit 139355:
6438
6439         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6440                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6441
6442                 * graphite.c (build_scop_bbs): Factor up code.
6443
6444 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6445
6446         * graphite.c (gloog): Update dominator info.
6447
6448 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
6449
6450         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
6451
6452 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6453
6454         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
6455         initialization.
6456         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
6457         (translate_clast): Correct formatting.
6458         * graphite.h (struct num_map): Removed.
6459         (struct graphite_bb): Remove num_map field.
6460         (GBB_INDEX_TO_NUM_MAP): Removed.
6461
6462 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6463
6464         * graphite.c (build_access_matrix_with_af): Fix comments.
6465         (build_scop_data_accesses): Same.
6466
6467 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6468
6469         * graphite.c (build_scop_data_accesses): Don't construct
6470         access matrices.  Add a FIXME and an assert condition that
6471         should pass when the access matrices will be needed.
6472
6473 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
6474
6475         * tree-data-ref.c (stmt_simple_memref_p): Don't call
6476         really_constant_p.
6477         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
6478         Moved close by free_graphite_bb.
6479         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
6480         (new_scop): Move close by free_scop.
6481         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
6482
6483 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
6484
6485         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
6486         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
6487         instead of recursive call.
6488         (graphite_translate_clast_equation): New.
6489         (graphite_create_guard_cond_expr): New.
6490         (graphite_create_new_guard): New.
6491         (get_stack_index_from_iv): Removed.
6492         (graphite_rename_ivs_stmt): Use gbb_loop_index.
6493         (get_true_edge_from_guard_bb): New.
6494         (translate_clast): Handle stmt_guard in clast.
6495         (get_construction_edge): Allow construction edge detection for
6496         a scope entry with multiple predecessors if one predecessor is
6497         the immediate dominator of scope entry.
6498         (can_generate_code_stmt): Enable code generation for clast_guard.
6499         (gloog): Use correct context loop.  Removed check for post dominators.
6500         * cfgloop.h (create_empty_if_region_on_edge): Declared.
6501
6502 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6503
6504         * graphite.c (remove_dead_loops): Document better which
6505         loops are removed.
6506
6507 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6508
6509         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
6510         and PPLINC.
6511         (graphite.o): Also depends on pointer-set.h.
6512
6513 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6514
6515         * graphite.c (scop_record_loop): Fix compile warning.
6516
6517 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
6518             Sebastian Pop  <sebastian.pop@amd.com>
6519
6520         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
6521
6522 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
6523
6524         * graphite.c (build_graphite_bb): Initialize bb->aux to
6525         point to the graphite_bb_p.
6526         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
6527         content of bb->aux.
6528         (add_bb_domains): Does not use the scop parameter.
6529         (graphite_transform_loops): Clean bb->aux at the end.
6530
6531 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6532             Sebastian Pop  <sebastian.pop@amd.com>
6533
6534         * lib/target-supports.exp
6535         (check_effective_target_fgraphite): New.
6536
6537         * gcc.dg/graphite/graphite.exp: Early exit when
6538         check_effective_target_fgraphite returns false.
6539         Set dg-do-what-default to compile.
6540         (scan-graphite-dump-times): Removed.
6541         * gfortran.dg/graphite/graphite.exp: Same.
6542
6543         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
6544         Use scan-tree-dump-times instead of scan-graphite-dump-times.
6545         * gcc.dg/graphite/scop-1.c: Same.
6546         * gcc.dg/graphite/scop-2.c: Same.
6547         * gcc.dg/graphite/scop-3.c: Same.
6548         * gcc.dg/graphite/scop-4.c: Same.
6549         * gcc.dg/graphite/scop-5.c: Same.
6550         * gcc.dg/graphite/scop-6.c: Same.
6551         * gcc.dg/graphite/scop-7.c: Same.
6552         * gcc.dg/graphite/scop-8.c: Same.
6553         * gcc.dg/graphite/scop-9.c: Same.
6554         * gcc.dg/graphite/scop-10.c: Same.
6555         * gcc.dg/graphite/scop-11.c: Same.
6556         * gcc.dg/graphite/scop-12.c: Same.
6557         * gcc.dg/graphite/scop-13.c: Same.
6558         * gcc.dg/graphite/scop-matmult.c: Same.
6559         * gcc.dg/graphite/scop-14.c: Same.
6560         * gcc.dg/graphite/scop-15.c: Same.
6561         * gcc.dg/graphite/block-0.c: Same.
6562         * gcc.dg/graphite/scop-16.c: Same.
6563         * gcc.dg/graphite/block-1.c: Same.
6564         * gcc.dg/graphite/scop-17.c: Same.
6565         * gcc.dg/graphite/scop-18.c: Same.
6566         * gfortran.dg/graphite/block-1.f90: Same.
6567         * gfortran.dg/graphite/scop-1.f: Same.
6568         * gfortran.dg/graphite/block-2.f: Same.
6569
6570 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6571
6572         * graphite.c: Fix some XXX comments.
6573         (build_scop_dynamic_schedules): Removed.
6574
6575 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6576
6577         * graphite.h (scop_max_loop_depth): Moved...
6578         * graphite.c (scop_max_loop_depth): ...here.
6579         (remove_all_edges_1): New.
6580         (remove_all_edges): Factored code.
6581         (remove_cond_exprs): Check only the last statement for
6582         a GIMPLE_COND expression.
6583
6584 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6585
6586         * graphite.c (scan_tree_for_params): Early return when the
6587         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
6588         (find_scop_parameters): Factor out code.
6589         (graphite_trans_bb_strip_mine): Remove dead code.
6590
6591 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6592
6593         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
6594         graphite_trans_bb_move_loop): Factor asserts.
6595         (gloog): Perform sanity checks only for ENABLE_CHECKING.
6596         Do not call calculate_dominance_info and estimate_bb_frequencies.
6597
6598 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
6599
6600         * graphite.c (create_loops_mapping, free_loops_mapping,
6601         create_loops_mapping_num, debug_loop_mapping_1,
6602         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
6603         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
6604         graphite_loops_mapping_add_child_num,
6605         graphite_loops_mapping_insert_child,
6606         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
6607         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
6608         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
6609         create_num_from_index, get_num_from_index,
6610         swap_loop_mapped_depth): Removed.
6611         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
6612         (free_scop): Do not call free_loops_mapping.
6613         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
6614         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
6615         get_loop_mapped_depth.
6616         (graphite_trans_bb_move_loop): Do not update the loop mapping.
6617         (graphite_trans_bb_strip_mine): Same.
6618         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
6619         (struct scop): Remove field loops_mapping.
6620
6621 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6622             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6623
6624         * graphite.c (scop_record_loop): Factor out one level of the
6625         condition by early return.
6626         (build_scop_loop_nests): Format following FSF coding style.
6627         (build_scop_dynamic_schedules): Factor out code.
6628         (scopdet_bb_info): Reindent.  Default case should not be reachable.
6629
6630 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6631             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6632
6633         * graphite.c (loop_affine_expr): Check for DECL_P or struct
6634         assignments that are not handled as simple operands for now.
6635
6636 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6637             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6638
6639         * graphite.c (build_scop_bbs): Factor up code.
6640
6641 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6642             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6643
6644         * graphite.c (stmt_simple_for_scop_p): Factor code out
6645         of the loop.
6646         (enum gbb_type): New.  Group all the GBB_* types under it.
6647         (is_loop_exit): Moved...
6648         (end_scop): Enable BB spliting.
6649         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
6650         * cfgloop.h (is_loop_exit): Declared.
6651
6652 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6653
6654         * doc/invoke.texi: Remove strides from examples containing
6655         DO loops when the strides are equal to 1.
6656
6657 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
6658             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6659
6660         * graphite.c (graphite_trans_scop_block): Or the result with
6661         the result from graphite_trans_loop_block.
6662         * gcc.dg/graphite/block-1.c: New.
6663         * gfortran.dg/graphite/block-1.f90: New.
6664         * gfortran.dg/graphite/block-2.f: New.
6665
6666 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6667
6668         * graphite.c (graphite_transform_loops): Call cloog_initialize
6669         and cloog_finalize.
6670
6671 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6672
6673         * tree-data-ref.c) (stmt_simple_memref_p): New.
6674         * tree-data-ref.h (stmt_simple_memref_p): Declared.
6675         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
6676         (is_simple_operand): Call stmt_simple_memref_p.
6677
6678         * gcc.dg/graphite/scop-matmult.c: Updated for not
6679         using pointer arithmetic, as this is optimized by PRE and
6680         makes the code too difficult to analyze.
6681
6682         * gcc.dg/graphite/scop-18.c: Same.
6683
6684 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
6685
6686         * gdbinit.in (pgg): New.
6687
6688 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6689
6690         * graphite.c (graphite_trans_loop_block): Fix warning.
6691
6692 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6693
6694         * graphite.c (graphite_trans_loop_block): Fix my merge error.
6695
6696 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6697
6698         * graphite.c (graphite_trans_bb_block): Remove check for
6699         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
6700         Check if loop blocking is profitable for every loop, before applying
6701         the changes.
6702         (graphite_apply_transformations): Call graphite_trans_bb_block only,
6703         if flag_loop_block is set.
6704
6705 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6706
6707         * graphite.c: Add some more documentation for the loop
6708         mapping.
6709
6710 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6711
6712         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
6713         * graphite.c: Format on less than 80 columns.
6714         * graphite.h: Same.
6715
6716 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6717
6718         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
6719
6720 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
6721
6722         * doc/invoke.texi (floop-block, floop-strip-mine,
6723         floop-interchange): Update documentation with examples.
6724
6725 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6726
6727         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
6728         add_referenced_var.
6729         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
6730
6731 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
6732
6733         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
6734         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
6735         * tree-scalar-evolution.c: Revert useless changes.
6736         * tree-phinodes.c: Same.
6737         * cfghooks.c: Same.
6738         * vec.h: Same.
6739         * tree-vectorizer.h: Same.
6740         * tree-flow.h: Same.
6741         * tree-cfg.c: Same.
6742         * common.opt (fgraphite): Update documentation.
6743
6744 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
6745
6746         * doc/invoke.texi (-floop-block, -floop-strip-mine,
6747         -floop-interchange): Add more text for explaining what each of these
6748         flags is doing.
6749         * tree-into-ssa.c (gimple_vec): Moved to...
6750         * graphite.c: Include gimple.h.
6751         (gimple_vec): Moved to...
6752         (del_loop_to_cloog_loop): Removed.
6753         (loop_affine_expr): Do not call create_data_ref when the
6754         operand is a constant.
6755         (new_scop): Use free instead of del_loop_to_cloog_loop.
6756         * Makefile.in (graphite.o): Depend on GIMPLE_H.
6757         * gimple.h (gimple_vec): ... here.
6758
6759 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6760
6761         * graphite.c (scopdet_bb_info): Only allow loops with known number of
6762         latch executions.
6763         (build_loop_iteration_domains): Fail, if latch executions unknown.
6764
6765 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6766
6767         * graphite.c (add_conditions_to_domain): New.
6768         (build_scop_conditions_1): Call add_conditions_to_domain.
6769         (set_cloog_options): Allow to disable optimizations.
6770
6771 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6772
6773         * graphite.c (find_params_in_bb): Look for parameters in conditions.
6774         Do not use walk_dominator_tree.
6775         (find_scop_parameters): Do not use walk_dominator_tree.
6776
6777 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6778
6779         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
6780         (idx_record_params): Adapt.
6781         * graphite.h (scop_gimple_loop_depth): New.
6782
6783 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6784
6785         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
6786         (scan_tree_for_params): Remove value_init.
6787         (build_scop_context): Remove value_init.
6788         (build_loop_iteration_domains): Remove value_init.
6789         (schedule_to_scattering): Remove value_init.
6790         (graphite_trans_bb_strip_mine): Remove value_init.
6791
6792 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6793
6794         * gcc/graphite.c (limit_scops): New.
6795         (graphite_transform_loops): Add limit SCoPs.
6796         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
6797         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
6798         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
6799         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
6800         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
6801         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
6802         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
6803         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
6804         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
6805         Change loop numbers.
6806         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
6807         Change loop numbers.
6808         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
6809         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
6810         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
6811         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
6812         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
6813         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
6814         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
6815         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
6816         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
6817         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
6818
6819 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6820
6821         * graphite.c (graphite_transform_loops): Call always find_transform.
6822
6823 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
6824
6825         * graphite.c (free_loops_mapping): New.
6826         (stmt_simple_for_scop_p): Fix typo.
6827         (stmt_simple_for_scop_p): Fix tuples functions, that
6828         broke polyhedron.
6829         (free_graphite_bb): Fix some memleaks.
6830         (free_scop): Fix some memleaks.
6831         (scopdet_bb_info): Do not forget some tmp SCoPs.
6832         (find_params_in_bb): Fix some memleaks.
6833         (clast_to_gcc_expression): Fix warning.
6834
6835 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6836
6837         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
6838         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
6839
6840 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6841
6842         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
6843         Move code ifdef-ed HAVE_cloog...
6844         * graphite.c: Include toplev.h.
6845         ... here.
6846         * Makefile.in (OBJS-common): Always build graphite.o.
6847         (BACKEND): Remove @GRAPHITE@.
6848         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
6849         (graphite.o): Depend on TOPLEV_H.
6850
6851 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
6852
6853         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
6854         Remove typo left from polylib to ppl conversion.
6855         * graphite.c (graphite_transforms): Use sorry instead of fatal.
6856
6857 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6858
6859         * toplev.c (process_options): Move the graphite loop optimization
6860         flags...
6861         * tree-ssa-loop.c (graphite_transforms): ... here.
6862         When not configured with CLooG, print to dump_file that
6863         Graphite transforms were not performed.
6864         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
6865         New.
6866         * gcc.dg/graphite/*.c: Updated all testcases to use
6867         scan-graphite-dump-times.
6868
6869 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
6870
6871         * graphite.c (dot_scop, dot_all_scops): Do not call system.
6872         Do not open /tmp/scop.dot and /tmp/allscops.dot.
6873
6874 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
6875             Jan Sjodin  <jan.sjodin@amd.com>
6876
6877         * configure: Regenerated.
6878         * omp-low.c (expand_omp_sections): Remove now unused code.
6879         * config.in (HAVE_polylib): Removed.
6880         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
6881         (PPLLIBS, PPLINC): Added.
6882         * graphite.c: Replace unsigned with int wherever possible.
6883         Don't access Cloog's data structures, but use accessor functions.
6884         Clast's stmt->type is now implemented as a vtable: change the
6885         switches of stmt->type into ifs.
6886         (polylib/polylibgmp.h): Don't include.
6887         (initialize_dependence_polyhedron,
6888         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6889         statement_precedes_p, test_dependence, build_rdg_all_levels,
6890         dump_dependence_graph): Removed until this code is cleaned up
6891         or ported to Cloog.
6892         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
6893         (POLYLIBINC): Renamed PPLINC.
6894
6895 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
6896             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6897             Jan Sjodin  <jan.sjodin@amd.com>
6898
6899         Finish the merge and tuplification of graphite.
6900
6901 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6902             Jan Sjodin  <jan.sjodin@amd.com>
6903
6904         Partial merge from mainline (138072:138275).
6905         * graphite.c still has to be tuplified.
6906
6907 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
6908
6909         * graphite.c (graphite_loops_mapping_max_loop_num): New.
6910         (create_num_from_index): New.
6911         (get_num_from_index): Also pass in the graphite BB.
6912         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
6913         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
6914         (graphite_trans_bb_strip_mine): Call create_num_from_index.
6915         (is_interchange_valid): Return false when failing.
6916         * graphite.h (struct num_map): New.
6917         (struct graphite_bb): New field num_map.
6918         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
6919
6920 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6921
6922         * graphite.c (dump_gbb_conditions): Print also conditions like
6923         "if (a)".  Remove dublicated code and use print_generic_expr ().
6924         (stmt_simple_for_scop_p): Only allow conditions we can handle
6925         {<, <=, >, >=}.
6926
6927 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6928
6929         * graphite.h (struct scop): Removed new_ivs field.
6930         (SCOP_NEWIVS): Deleted.
6931         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
6932         clast_to_gcc_expression, graphite_create_new_loop):
6933         Removed use of new_ivs.
6934
6935 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
6936
6937         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
6938         create_loops_mapping_num, debug_loop_mapping_1): New.
6939         (debug_loop_mapping): Call debug_loop_mapping_1.
6940         (get_loop_mapping_for_num,
6941         graphite_loops_mapping_add_child,
6942         graphite_loops_mapping_add_child_num,
6943         graphite_loops_mapping_insert_child,
6944         graphite_loops_mapping_parent,
6945         split_loop_mapped_depth_for_num,
6946         loop_mapped_depth_split_loop): New.
6947         (increment_loop_mapped_depths): Removed.
6948         (swap_loop_mapped_depth_for_num): Reimplemented.
6949         (new_scop): Call create_loops_mapping.
6950         (scop_record_loop): Call graphite_loops_mapping_insert_child.
6951         (translate_clast): Pass the old loop father in parameter, and pass
6952         it to get_old_iv_from_ssa_name.
6953         (remove_edges_around_useless_blocks, can_generate_code_stmt,
6954         can_generate_code, can_generate_for_scop): New.
6955         (graphite_trans_bb_block): Returns false when it fails to transform.
6956         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
6957
6958 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6959
6960         Reverted all the changes related to the streamization and
6961         loop fusion.
6962         These changes are now tracked in the streamization branch.
6963
6964 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6965             Jan Sjodin  <jan.sjodin@amd.com>
6966
6967         * graphite.c (gbb_compare): Correctly constify.
6968         (gbb_can_be_ignored): Indent.
6969         (graphite_trans_scop_swap_1and2): Add legality check.
6970         Remove dead FIXMEs.
6971
6972 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
6973
6974         Remove fallouts from "Reverted the Condate changes".
6975         * tree.h: Remove unused decl.
6976         * gcc.dg/tree-checker: Same.
6977         * timevar.def: Remove counter.
6978
6979 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
6980
6981         * Merge from mainline (135673:138072).
6982
6983         Reverted the MIRO changes (from 2008-04-05) that are now
6984         tracked in the miro branch.
6985         * tree-bounds.c: Removed.
6986         * tree-bounds.h: Removed.
6987
6988         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
6989         are now tracked in the condate branch.
6990         * tree-check.c: Removed.
6991         * tree-match.c: Removed.
6992         * condate.y: Removed.
6993
6994 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6995
6996         * common.opt: New user flag -floop-block, -floop-strip-mine
6997         and -floop-interchange.
6998         * toplev.c (process_options): Enable -fgraphite pass if any one of the
6999         graphite loop optimization flags is turned on.
7000         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
7001         flag_loop_strip_mine and flag_loop_interchange checks before
7002         optimizations.
7003         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
7004         -floop-strip-mine and -floop-interchange.
7005         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
7006         -fgraphite.
7007         * gcc.dg/graphite/scop-16.c: Ditto.
7008         * gcc.dg/graphite/scop-17.c: Ditto.
7009         * gcc.dg/graphite/scop-18.c: Ditto.
7010
7011 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
7012             Sebastian Pop  <sebastian.pop@amd.com>
7013
7014         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
7015         (create_empty_loop_on_edge): More fixes.
7016         * tree-phinodes.c (resize_phi_node): Extern.
7017         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
7018         * cfghooks.c (update_dominator_information): New split from
7019         split_edge.
7020         * tree-vectorizer.c (rename_variables_in_bb): Extern.
7021         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
7022         successor of the function entry block.
7023
7024         * graphite.c: Include pointer-set.h.
7025         (debug_loop_mapping, increment_loop_mapped_depths,
7026         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
7027         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
7028         swap_loop_mapped_depth_for_num, get_num_from_index,
7029         swap_loop_mapped_depth, loop_iv_stack_debug,
7030         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
7031         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
7032         get_old_iv_from_ssa_name): New.
7033         (new_scop): Initialize SCOP_LOOPS_MAPPING.
7034         (free_scop): Free SCOP_LOOPS_MAPPING.
7035         (scop_record_loop): Record old ivs.
7036         (create_var_name): Removed.
7037         (initialize_cloog_names): Allocate double space in case strip mine
7038         applies to all loops once.
7039         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
7040         (clast_to_gcc_expression): Same.  Implement more clast to gimple
7041         translation.
7042         (graphite_create_new_loop): Pass in ivstack.
7043         (remove_all_edges): Pass in the construction_edge.
7044         (graphite_remove_iv): Removed.
7045         (graphite_rename_ivs, graphite_rename_ivs_stmt,
7046         remove_cond_exprs): Rewritten.
7047         (move_phi_nodes): New.
7048         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
7049         (translate_clast): Pass in ivstack.  Rewrite some cases.
7050         (set_cloog_options, debug_clast_stmt): New.
7051         (find_transform): Use set_cloog_options.
7052         (outermost_loop_layer): Removed.
7053         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
7054         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
7055         mark_old_loops, remove_dead_loops): New.
7056         (gloog): Rewritten.
7057         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
7058         (const_column_index, get_first_matching_sign_row_index,
7059         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
7060         get_upper_bound): New.
7061         (graphite_trans_bb_strip_mine): Also update the iv map.
7062
7063         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
7064         (struct name_tree): Add a loop field.
7065         (struct scop): Add a graphite_loops_mapping field.
7066         (SCOP_LOOPS_MAPPING): New.
7067         (debug_clast_stmt): Declare.
7068         * lambda.h (find_induction_var_from_exit_cond): Declare.
7069         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
7070         * cfgloop.h (update_dominators_in_loop): Removed declaration.
7071         (create_empty_loop_on_edge): Updated.
7072         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
7073         rename_variables_in_bb): Declare.
7074         * tree-cfg.c (remove_bb): Extern.
7075
7076         * gcc.dg/graphite/block-0.c: New.
7077
7078 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7079             Sebastian Pop  <sebastian.pop@amd.com>
7080
7081         * graphite.c (strip_mine_profitable_p): New.
7082         (graphite_trans_bb_block): Disable strip mining if not profitable.
7083
7084         * gcc.dg/graphite/scop-18.c: New.
7085         * gcc.dg/graphite/scop-17.c: Fixed.
7086         * gcc.dg/graphite/scop-16.c: Fixed.
7087
7088 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
7089             Jan Sjodin  <jan.sjodin@amd.com>
7090             Sebastian Pop  <sebastian.pop@amd.com>
7091
7092         * graphite.c (is_interchange_valid): New.
7093         (graphite_trans_bb_block): Check loop nest of basic block for legality
7094         of interchange.
7095
7096         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
7097         outer_most_loop, gbb_outer_most_loop_index): New.
7098
7099         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
7100         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
7101         * gcc.dg/graphite/scop-16.c: New.
7102         * gcc.dg/graphite/scop-17.c: New.
7103
7104 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7105
7106         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
7107         (graphite_trans_scop_block): Ignore SCoPs without bbs.
7108
7109 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7110
7111         * graphite.c (new_scop): Initialize SCOP_EXIT.
7112         (scopdet_info): Add.
7113         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
7114         (build_scops_1): Cleanup, bugfixes.
7115         (build_scops): Cleanup.
7116
7117         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
7118         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
7119
7120 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7121
7122         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
7123
7124         * gfortran.dg/graphite/graphite.exp: Use
7125         DEFAULT_GRAPHITE_FLAGS.
7126
7127         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
7128
7129 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7130
7131         * graphite.c (scan_tree_for_params): Do not assert any more if
7132         MULT_EXPR parameter is negative.
7133
7134         * gfortran.dg/graphite/scop-1.f: New.
7135
7136         * gfortran.dg/graphite/graphite.exp: New.
7137
7138         * gcc.dg/graphite/scop-15.c: New.
7139
7140 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
7141
7142         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
7143
7144 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7145
7146         * graphite.c (graphite_trans_bb_swap_loops): Rename from
7147         graphite_swap_loops.
7148         (graphite_trans_bb_move_loop): New.
7149         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
7150         (graphite_trans_bb_block): New.
7151         (graphite_trans_loop_block): New.
7152         (graphite_trans_scop_swap_1and2): Rename from
7153         graphite_trans_swap_1and2.
7154         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
7155         (graphite_trans_scop_block): New.
7156         (graphite_apply_transformations): Rename from
7157         graphite_transformations.
7158
7159         * gcc.dg/graphite/scop-matmult.c: New.
7160
7161 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7162
7163         * graphite.c (gbb_compare): New.
7164         (graphite_sort_gbbs): New.
7165         (gbb_can_be_ignored): New.
7166         (scop_remove_ignoreable_gbbs): New.
7167         (graphite_transformations): Cleanup and add
7168         scop_remove_ignoreable_gbbs.
7169         * lambda.h (lambda_vector_compare): New.
7170
7171 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
7172
7173         * graphite.c (print_graphite_bb): Correct printing of static schedule.
7174         (graphite_swap_loops): int -> unsigned
7175         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
7176         (graphite_transformations): New.
7177         (graphite_transform_loops): Move to graphite_transformations.
7178         * graphite.h (gbb_nb_loops): Return unsigned.
7179
7180 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7181
7182         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
7183         the domain matrix.  This makes scop-0.c work again.
7184
7185 2008-06-20  Richard Guenther  <rguenther@suse.de>
7186
7187         * graphite.h: Adjust copyright to GPLv3.
7188         * graphite.c: Likewise.
7189         (stmt_simple_memref_for_scop_p): Split out from ...
7190         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
7191         and simplify.
7192         (get_bb_type): Optimize.
7193         (is_pred): Remove.
7194         (is_bb_addable): Fix memleak, replace is_pred call with
7195         single_pred.
7196         (build_scops): Use current_loops.
7197         (param_index): Fix memleak.
7198
7199 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7200
7201         * graphite.c: Fix formatting.
7202
7203 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7204
7205         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
7206         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
7207         (create_var_name, save_var_name): Newly defined functions.
7208         (initialize_cloog_names): Part of the code factored out to
7209         save_var_name.
7210         (clast_to_gcc_expression): Now handles the case of clast_red_sum
7211         in clast_reduction statement.
7212         (graphite_create_new_loop): Now takes a new parameter
7213         for outer_loop.
7214         (translate_clast): Now also takes the context_loop and bb_exit
7215         parameters. Rewritten the code so that it creates a gimple code
7216         inside the given context.
7217         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
7218         remove_cond_expr, disconnect_cond_expr,
7219         disconnect_virtual_phi_nodes): Newly defined functions.
7220         * graphite.h (struct scop): added old_ivs vector.
7221         SCOP_OLDIVS: New macro.
7222
7223 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
7224
7225         * cfgloopmanip.c: Add missing function comments, fix formatting.
7226
7227 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7228
7229         * cfgloopmanip.c (update_dominators_in_loop): Defined.
7230         (create_empty_loop_on_edge): Defined.
7231         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
7232         instead of void.
7233         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
7234         (update_dominators_in_loop): Declared as extern
7235         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
7236
7237 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
7238
7239         * graphite.c (print_graphite_bb): Allow changing number of loops
7240         in SCoP domain.
7241         (initialize_cloog_names): Allow changing number of loops.
7242         (build_cloog_prog): Simplify.
7243         (find_transform): Enable cloog option --strides.
7244         (graphite_swap_loops): New.
7245         (graphite_strip_mine_loop): New.
7246         (graphite_trans_swap_1and2): New.
7247         (graphite_trans_strip): New.
7248         (graphite_transform_loops): Add graphite_trans_strip.
7249         * graphite.h (scop_max_loop_depth): New.
7250
7251 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7252
7253         * graphite.c (build_scop_iteration_domain): Remove forgotten
7254         line. (Fixes compile)
7255
7256 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
7257
7258         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
7259         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
7260         (build_bb_loops): New.
7261         (graphite_transform_loops): Add build_bb_loops.
7262         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
7263         numbers.
7264         * graphite.h (graphite_bb): Add loops.
7265         (gbb_nb_loops): New.
7266         (gbb_loop_at_index): New.
7267         (gbb_loop_index): New.
7268         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
7269         using nb_params_in_scop.
7270
7271 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7272
7273         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
7274         (build_scop_canonical_schedules): Build minimized schedule.
7275         (schedule_to_scattering): Adapt to minimized schedule.
7276         * graphite.h (graphite_bb): Add/Update descriptions.
7277
7278 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
7279             Tobias Grosser  <grosser@fim.uni-passau.de>
7280
7281         * graphite.c (print_graphite_bb): Add condition printing.
7282         (dump_value): New.
7283         (dump_gbb_conditions): New.
7284         (build_scop_conditions_1): New.
7285         (build_scop_conditions): New.
7286         * graphite.h (graphite_bb): Add conditions.
7287
7288 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
7289
7290         * graphite.c (print_graphite_bb):
7291         (free_graphite_bb): New.
7292         (free_scop): Free bbs.
7293         (get_bb_type): Free doms.
7294         (build_scop_context): Free context matrix.
7295         (build_loop_iteration_domains): Remove unused code.
7296         (build_cloog_prog): Free scattering function and blocklist.
7297         (find_transform): Free options.
7298
7299 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
7300
7301         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
7302         Remove unnecessery cloog data structures. Make a copy of the domain
7303         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
7304         unnecessary cloog data structures. Fix memory leaks. Remove insert
7305         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
7306         used.
7307         (build_scop_iteration_domain): Remove unnecessary cloog
7308         data structures.  Fix memory leaks.
7309         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
7310         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
7311
7312 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7313
7314         * graphite.c (find_scop_params): Remove initialize_cloog_names.
7315
7316 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7317
7318         * graphite.c (end_scop): Style fix.
7319         (schedule_to_scattering): Style and comment fix.
7320
7321 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7322         * graphite.c (print_graphite_bb): Fix definiton of
7323         schedule_to_scattering.
7324         (initialize_cloog_names): Change nb_scattdims to max loop
7325         depth in SCoP.
7326         (schedule_to_scattering): Take parameter for number of scattering
7327         dimensions.
7328         (build_cloog_prog): Only build as much scattering dimensions as
7329         necessary.
7330
7331 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
7332
7333         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
7334         in polyhedron/aermod.f90.
7335
7336 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
7337             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
7338             Harsha Jagasia  <harsha.jagasia@amd.com>
7339
7340         * graphite.c (is_bb_addable): Fix segfault.
7341
7342 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
7343
7344         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
7345         with multiple exits and conditional handling in edge cases.
7346         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
7347
7348         * gcc.dg/graphite/scop-14.c: New.
7349
7350 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7351             Adrien Eliche  <aeliche@isty.uvsq.fr>
7352
7353         * graphite.c (is_bb_addable): Add more comments and enhance
7354         readablity of the source code. Fix memory leak.
7355         (is_loop_exit): Fix memory leak.
7356
7357 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7358
7359         * graphite.c (first_loop_in_scop): Deleted.
7360         (setup_cloog_loop): Only walk the loop chain for inner loops.
7361         (build_scop_iteration_domain): Execute setup_cloog_loop for
7362         all loops in the first layer.
7363
7364 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
7365
7366         * graphite.c (scan_tree_for_params): Change the way params are
7367         added to be indepenent of the number of loops.
7368         (setup_cloog_loop): Revert to short matrix format. Fix parameter
7369         handling.
7370         (build_cloog_prog): Revert to short matrix format.
7371
7372 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7373             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
7374
7375         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
7376         warning.
7377
7378 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
7379
7380         * graphite.c (nb_data_refs_in_scop): New.
7381         (graphite_transform_loops): Print more stats: number of
7382         loops, basic blocks and data references per scop.
7383
7384 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7385             Jan Sjodin  <jan.sjodin@amd.com>
7386
7387         * graphite.c (loop_affine_expr, idx_record_params,
7388         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
7389         instead of instantiate_parameters.
7390
7391 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7392
7393         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
7394         add support for parameters, add STATIC_SCHEDULE at the right places,
7395         cleanup.
7396
7397 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7398
7399         * graphite.c (build_scop_loop_nests): Only add the loops, that
7400         are contained completely in the SCoP.
7401         (build_cloog_prog): Disable scattering, until schedule_to_scattering
7402         and the domains are fixed.
7403         (build_scop_canonical_schedules): Add support for bbs not contained
7404         in any SCoP.
7405
7406 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
7407
7408         * graphite.h (scop_contains_loop): Update comments to match
7409         the actual behavior.
7410         (scop_contains_loop): New.
7411         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
7412
7413 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7414
7415         * graphite.c (get_bb_type): On function body, i.e. loop_0,
7416         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
7417         as GBB_COND_HEADER.
7418
7419 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
7420             Tobias Grosser  <grosser@fim.uni-passau.de>
7421
7422         * graphite.c (graphite_transform_loops): Early return when
7423         there are no loops in the function.
7424
7425 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7426             Jan Sjodin  <jan.sjodin@amd.com>
7427
7428         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
7429         offset of the last loop.
7430         (setup_cloog_loop): Copy the entire outer constraint matrix.
7431
7432 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7433             Jan Sjodin  <jan.sjodin@amd.com>
7434
7435         * graphite.c (stmt_in_scop_p, function_parameter_p,
7436         invariant_in_scop_p): Removed.
7437         (scan_tree_for_params): Can be used with no constraint
7438         matrix for gathering parameters.
7439         (idx_record_params): Don't use idx_record_param, instead use
7440         scan_tree_for_params.
7441         (find_scop_parameters): Same.
7442         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
7443         Fix the size of loop domains.
7444         (schedule_to_scattering): Exit when the outer loop is not in scop.
7445         (find_transform): Enable build_cloog_prog.
7446
7447 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7448             Jan Sjodin  <jan.sjodin@amd.com>
7449
7450         * graphite.c (schedule_to_scattering): Make scattering domains
7451         uniformly of the same size, as required by CLooG 0.14.0 and before.
7452
7453 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
7454             Jan Sjodin  <jan.sjodin@amd.com>
7455
7456         * graphite.c (schedule_to_scattering): Rewrite, correct the
7457         translation of the scheduling function to scattering.
7458         (build_cloog_prog): Call schedule_to_scattering only once.
7459         * graphite.h (scop_loop_index): Do not fail for loops not
7460         in the scop: return -1.
7461
7462 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
7463
7464         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
7465         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
7466         (setup_cloog_loop): Export GBB_DOMAIN.
7467         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
7468         able to rebuild the original control flow.
7469         * graphite.h (graphite_bb): Add domain field and access macro.
7470         (GBB_DOMAIN): New.
7471
7472 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7473
7474         * graphite.c (debug_gbb): New.
7475         (print_scop, build_graphite_bb): Use SCOP_BBS.
7476         (build_scop_bbs): Reimplemented.
7477         (dfs_bb_in_scop_p): Removed.
7478         (build_scop_loop_nests): Reorder loops inserted in
7479         SCOP_LOOP_NEST: outer loops should come first.
7480         (build_scop_canonical_schedules): Reinitialize at zero
7481         the components of the SCOP_STATIC_SCHEDULE for the loops
7482         that have already been parsed.
7483
7484         * graphite.h (debug_gbb): Declared.
7485
7486 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
7487             Jan Sjodin  <jan.sjodin@amd.com>
7488
7489         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
7490         (graphite_loop_to_gcc_loop): Removed.
7491         (remove_all_edges): New.
7492         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
7493         (gloog): Remove useless code.
7494
7495 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7496
7497         * graphite.c (get_bb_type): Reworked. We distinguish between
7498         loops with one or multiple exits.
7499         (is_loop_exit): New.
7500         (is_pred): New.
7501         (is_bb_addable): Rework condition handling, now support for case
7502         case statements and loops with multiple exits.
7503
7504         * gcc.dg/graphite/scop-11.c: New.
7505         * gcc.dg/graphite/scop-12.c: New.
7506         * gcc.dg/graphite/scop-13.c: New.
7507
7508 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7509
7510         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
7511         we have too many colors.
7512
7513 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
7514
7515         * doc/invoke.texi (-ftree-loop-fusion): Document.
7516         * tree-pass.h (pass_loop_fusion): Declared.
7517         * tree-loop-fusion.c: New.
7518         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
7519         * tree-data-ref.c (find_data_references_in_loop): Make extern.
7520         * tree-data-ref.h (find_data_references_in_loop): Declared.
7521         * common.opt (ftree-loop-fusion): Declared.
7522         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
7523
7524 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
7525
7526         * graphite.c (build_access_matrix): Fix typo from the merge.
7527
7528 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
7529
7530         * Merge from mainline (130800:135673).
7531
7532 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7533
7534         * graphite.c (end_scop): The exit of the scop is not part of the scop.
7535         Update dominators after splitting.
7536
7537 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7538
7539         * graphite.c (is_bb_addable): Return the harmful statement.
7540         Factor up some code.
7541         (end_scop): New.  Splits end of scope bbs on a harmful statement.
7542         (build_scops_1): Call end_scop.
7543
7544 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
7545
7546         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
7547         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
7548         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
7549         build_scops_1): Removed.
7550         (build_scops_2): Renamed build_scops_1.
7551
7552 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7553
7554         * graphite.c: Fix formatting.
7555
7556 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7557
7558         * graphite.c (get_bb_type): New.
7559         (move_scops): New.
7560         (build_scops_2): New.
7561         (is_bb_addable): New.
7562         (build_scops): Switch the scop detection.
7563         (build_scop_bbs): Add entry bb to scop.
7564         * graphite.h (struct scop): Update comment.
7565
7566 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7567
7568         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
7569         more colors.
7570
7571 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7572
7573         * gcc.dg/graphite/scop-1.c: Update.
7574         * gcc.dg/graphite/scop-2.c: Update.
7575         * gcc.dg/graphite/scop-4.c: Update.
7576         * gcc.dg/graphite/scop-5.c: Add.
7577         * gcc.dg/graphite/scop-6.c: Add.
7578
7579 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
7580
7581         * gcc.dg/graphite/scop-0.c: Add.
7582         * gcc.dg/graphite/scop-7.c: Add.
7583         * gcc.dg/graphite/scop-8.c: Add.
7584         * gcc.dg/graphite/scop-9.c: Add.
7585         * gcc.dg/graphite/scop-10.c: Add.
7586
7587 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
7588
7589         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
7590         Check affine expressions depending on the outermost loop
7591         instead of a scop.
7592         (stmt_simple_for_scop_p): Same.
7593         (harmfule_stmt_in_scop): Same.
7594
7595 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
7596
7597         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
7598         mark entry and exit, that are not part of the SCoP and update HTML
7599         formatting.
7600
7601 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
7602
7603         * graphite.c (basic_block_simple_for_scop_p): Renamed
7604         harmful_stmt_in_bb.
7605         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
7606         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
7607         (all_preds_visited_p, all_succs_visited_p,
7608         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
7609         scop_end_loop): New.
7610         (build_scops): Do not use dfs_enumerate_from.
7611
7612         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
7613
7614 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7615
7616         * graphite.c: Add comments to functions that are missing a
7617         description.
7618         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
7619
7620 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
7621
7622         * graphite.c (nb_params_in_scop): Moved...
7623         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
7624         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
7625         (clast_to_gcc_expression): Reduce column size to less than 80.
7626         (graphite_create_iv): Return the new name of the IV.
7627         (find_transform): Set options->esp and options->cpp.
7628         (gloog): Comment out the invalidation of the old loop code.
7629         (initialize_dependence_polyhedron): Replace scop_nb_params with
7630         nb_params_in_scop.
7631
7632         * graphite.h (nb_params_in_scop): ... here.
7633         (scop_nb_params): Removed.
7634         (loop_domain_dim): Return something even when the loop was not
7635         found in the hash table: avoid ICEing on all the graphite.exp
7636         testcases.
7637
7638 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7639
7640         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
7641
7642         * graphite.c (build_scop_dynamic_schedules): Schedule is built
7643         according to nesting level.
7644         (find_scop_parameters): Call instantiate_parameters.
7645         (scan_tree_for_params): Extend it to handle general affine bounds.
7646         Inner loop bound can depend on outer loop induction variable.
7647         (setup_cloog_loop): tmp variable is allocated on stack. Call
7648         instantiate_parameters with respect to outermost_loop_in_scop.
7649         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
7650         graphite.h.
7651         (create_empty_loop): Function loopify should be given edge
7652         probability, instead of edge frequency. Dominance relation from
7653         switch_bb to loop_header.
7654         (clast_to_gcc_expression): Added handling of clast_reduction node.
7655         (gloog): New functionality for removing old loop.
7656         (test_dependence): Factored out from build_rdg_all_levels.
7657         (build_rdg_all_levels): Dependence testing factored out to
7658         test_dependence function.
7659
7660         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
7661         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
7662         from graphite.c
7663
7664 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
7665
7666         * graphite.c (free_scop, param_index, initialize_cloog_names,
7667         nb_params_in_scop): Use name_tree map instead of just a tree
7668         for keeping track of the variable name associated to that tree.
7669         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
7670         clast_to_gcc_expression, graphite_create_iv,
7671         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
7672         graphite_stmt_to_gcc_stmt): New.
7673         (gloog): Call these.
7674         * graphite.h (struct name_tree): New.
7675         (struct scop): Use name_tree instead of tree for params.
7676         Store a vector of name_tree for new_ivs.
7677         (SCOP_NEWIVS): New.
7678         (scop_nb_params): Use name_tree instead of tree.
7679
7680 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
7681             Sebastian Pop  <sebastian.pop@amd.com>
7682
7683         * tree-bounds.c: New.
7684         * tree-bounds.h: New.
7685         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
7686         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
7687         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
7688         flag_mudflap.
7689         * gcc.c: Same.
7690         * toplev.c: Same.
7691         * c-cppbuiltin.c: Same.
7692         * c-pragma.c: Same.
7693         * common.opt: Same.
7694         * varasm.c: Same.
7695         * tree-outof-ssa.c: Same.
7696         * c-common.c: Same.
7697         * Makefile.in: Same.
7698
7699 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
7700             Sebastian Pop  <sebastian.pop@amd.com>
7701
7702         * tree-loop-distribution.c (remaining_stmts,
7703         upstream_mem_writes): Removed static variables.
7704         (copy_loop_before, create_bb_after_loop,
7705         mark_nodes_having_upstream_mem_writes, free_rdg_components,
7706         rdg_build_components, rdg_build_partitions,
7707         dump_rdg_partitions): Extern.
7708         (generate_loops_for_partition, generate_code_for_partition): Do not
7709         return a bool.
7710         (already_processed_vertex_p, predecessor_has_mem_write,
7711         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
7712         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
7713         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
7714         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
7715         Pass remaining_stmts and upstream_mem_writes as parameters.
7716         (rdg_component): Moved...
7717         (build_rdg_partition_for_component): Do not aggregate components when
7718         flag_streamize_loops is set.
7719         (gen_sequential_loops): New.
7720         (ldist_gen): Call gen_sequential_loops.
7721
7722         * tree-pass.h (pass_loop_streamization): Declared.
7723
7724         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
7725         basic blocks when loops structures exist.
7726
7727         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
7728
7729         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
7730
7731         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
7732         eliminate_local_variables_stmt, eliminate_local_variables,
7733         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
7734         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
7735         of code delimited by two edges in the CFG.
7736         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
7737         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
7738         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
7739         the case of parallelisation of reductions.
7740         (create_loop_fn): Extern.
7741         (create_omp_parallel_region): New.
7742
7743         * tree-data-ref.c (dump_data_dependence_relation): Don't call
7744         dump_data_reference for printing dra and drb.
7745         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
7746         RDGE_RELATION.
7747         (build_rdg): Don't call free_dependence_relations for the moment, as
7748         we attach dependence relations on each edge of the RDG.
7749         To be fixed later.
7750
7751         * tree-data-ref.h (rdg_component): ...here.
7752         (struct rdg_edge): New field ddr_p relation.
7753         (RDGE_RELATION): New.
7754         (create_bb_after_loop, copy_loop_before,
7755         mark_nodes_having_upstream_mem_writes, rdg_build_components,
7756         rdg_build_partitions, dump_rdg_partitions,
7757         free_rdg_components): Declared.
7758
7759         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
7760         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
7761
7762         * tree-loop-streamization.c: New.
7763
7764         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
7765         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
7766
7767         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
7768
7769         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
7770
7771         * passes.c: Schedule pass_loop_streamization.
7772
7773 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
7774
7775         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
7776         update comment.
7777
7778 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
7779
7780         * graphite.c (dot_all_scops): Update formatting.
7781         Bbs can now be part of more than one SCoP.
7782
7783 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
7784
7785         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
7786         malloc problems.
7787         (loop_domain_dim): Check for unregistered toplev SCOP loop.
7788         * graphite.h (loop_to_cloog_loop): New.
7789
7790 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7791
7792         * graphite.c (loop_domain_dim, ref_nb_loops,
7793         loop_iteration_vector_dim): New.
7794         (build_access_matrix_with_af, build_access_matrix,
7795         initialize_dependence_polyhedron): Fixed for new matrix layout.
7796         No longer assume that all iteration domains are of the same
7797         dimensionality.
7798
7799 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7800
7801         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
7802         defined in a loop at depth 0 is invariant.
7803         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
7804         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
7805         be called at loop depth 0.
7806
7807         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
7808         a parameter.
7809         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
7810         (down_open_scop): Removed.
7811         (loop_in_scop_p): Redefined.
7812         (scop_affine_expr): New argument: scop.
7813         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
7814         a harmful statement ending a scop.
7815         (basic_block_simple_for_scop_p): New argument: scop.
7816         (get_loop_start): Removed.
7817         (new_scop): Initialize SCOP_LOOPS.
7818         (free_scop): Free SCOP_LOOPS.
7819         (succs_at_same_depth, preds_at_same_depth): New.
7820         (end_scop): Test the validity of a scop.
7821         (add_dominators_to_open_scops): New.
7822         (test_for_scop_bound): Call add_dominators_to_open_scops.
7823         Add cases for opening and closing multiple scops.
7824         (build_scops, build_scop_bbs): Iterate over basic blocks in
7825         depth first order.
7826         (build_graphite_bb): Pass scop directly.
7827         (dfs_bb_in_scop_p): New.
7828         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
7829         several times.
7830         (nb_loops_around_gb): Use loop_in_scop_p.
7831         (schedule_to_scattering): Disabled for the moment the code computing
7832         the "textual order for outer loop".
7833
7834         * graphite.h (struct scop): New field loops.
7835         (SCOP_LOOPS): New.
7836         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
7837
7838         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
7839
7840 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
7841             Sebastian Pop  <sebastian.pop@amd.com>
7842
7843         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
7844         * common.opt (fstreamize-loops): New.
7845         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
7846         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
7847         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
7848         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
7849
7850 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7851
7852         * tree-data-ref.c (build_empty_rdg): New.
7853         (build_rdg): Use it.
7854         * tree-data-ref.h (build_empty_rdg): Declared.
7855         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
7856         (find_vertex_for_stmt): Removed.
7857         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
7858
7859 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
7860
7861         * tree-loop-distribution.c (generate_builtin): After cancelling the
7862         loop tree, also delete basic blocks.
7863         (rdg_flag_uses): Stop recursion when a vertex has already been
7864         processed.
7865
7866 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7867
7868         * graphite.c (build_scop_alpha): Removed.
7869         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
7870         and dump_dependence_graph to avoid compiler warnings.
7871
7872 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7873
7874         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
7875         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
7876         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
7877         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
7878         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
7879         (initialize_dependence_polyhedron, find_vertex_for_stmt,
7880         initialize_data_dependence_polyhedron, is_empty_polyhedron,
7881         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
7882         dump_dependence_graph): New.
7883         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
7884         (GBB_ALPHA): New.
7885         (struct scop): New field loop2cloog_loop.
7886         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
7887         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
7888
7889 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
7890
7891         * graphite.c (build_graphite_bb): Fix initialization
7892         of the graphite basic block.
7893
7894 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
7895
7896         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
7897         loop domain matrix.  Pass in the number of loops contained in the
7898         constraint matrix.
7899         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
7900         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
7901         loops that are not surrounding the current loop are not represented
7902         in the domain constraint matrix.
7903         (build_scop_iteration_domain): Initial domain constraint matrix
7904         contains only the eq/ineq, cst, and scop parameters columns.
7905
7906 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7907
7908         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
7909         (print_graphite_bb): Print scattering.
7910
7911 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7912
7913         * graphite.c (initialize_cloog_names): Initialize names of
7914         scattering variables.
7915
7916 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7917
7918         * graphite.c (dot_all_scops_1): Disable debug output while
7919         printing graph.
7920
7921 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
7922
7923         * graphite.c (find_transform): Change cloog output language to C.
7924
7925 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
7926
7927         * tree-loop-distribution.c (generate_memset_zero,
7928         generate_builtin, generate_code_for_partition,
7929         rdg_flag_all_uses): New.
7930         (rdg_flag_uses): Gather in the same partition the statements defining
7931         the VUSES of the current statement.
7932         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
7933         Gather in the same partition not only the stores to the same memory
7934         access, but also the reads.
7935         (ldist_generate_loops): Renamed ldist_gen.
7936
7937 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7938             Tobias Grosser  <grosser@fmi.uni-passau.de>
7939
7940         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
7941         next pointer, don't use the inner pointer.
7942
7943 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
7944
7945         * graphite.c (dot_all_scops, dot_all_scops_1): New.
7946         (find_transform): Call dot_all_1.
7947         * graphite.h (dot_all_scops): Declared.
7948
7949 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
7950
7951         * tree-loop-distribution.c: Fix apsi.f ICE.
7952         (create_bb_after_loop): New.
7953         (generate_loops_for_partition): Use it.
7954         * gfortran.dg/ldist-1.f90: New.
7955
7956         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
7957         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
7958
7959 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7960
7961         * graphite.c (find_transform): Dump cloog program sent to cloog.
7962
7963 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7964
7965         * graphite.c (initialize_cloog_names): Initialize cloog
7966         iterator names.
7967
7968 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
7969
7970         * graphite.c (build_scop_context): Fix typo, for the matrix
7971         format: insert '0 >= 0' instead of '-1 >= 0'.
7972
7973 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7974
7975         * Fix merge problems.
7976
7977 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
7978
7979         * graphite.c (setup_cloog_loop): Fix typo.
7980
7981 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
7982
7983         * doc/invoke.texi (-ftree-loop-distribution): Documented.
7984         * tree-loop-distribution.c: Reimplemented.
7985         * tree-pass.h (pass_loop_distribution): New.
7986         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
7987         print_loops.
7988         * graphds.h (struct graph): New field indexes.
7989         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7990
7991         * tree-vect-analyze.c: Remove declaration of static functions when not
7992         needed.
7993         * tree-vectorizer.c: Same.
7994         (rename_variables_in_loop): Now extern.
7995         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
7996         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
7997         calling redirect_edge_and_branch_force.
7998
7999         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
8000
8001         * tree-data-ref.c: Don't include tree-chrec.h.
8002         (debug_data_dependence_relations): New.
8003         (dump_data_dependence_relation): Call dump_data_reference on data refs
8004         in the relation.
8005         (same_access_functions): Moved...
8006         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
8007         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8008         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
8009         struct rdg_vertex_info, ): New.
8010         (create_rdg_edge_for_ddr): Compute the dependence level before looking
8011         at DDR_REVERSED_P.
8012         (create_rdg_vertices): Initialize the htab of graph->indexes.
8013         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
8014         (stmts_from_loop): Don't save LABEL_EXPR.
8015         (hash_stmt_vertex_info, eq_stmt_vertex_info,
8016         hash_stmt_vertex_del): New.
8017         (build_rdg): Initialize rdg->indexes.
8018         (free_rdg, stores_from_loop, ref_base_address,
8019         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
8020         have_similar_memory_accesses_1, ref_base_address_1,
8021         remove_similar_memory_refs): New.
8022
8023         * tree-data-ref.h: Include tree-chrec.h.
8024         (debug_data_dependence_relations): Declared.
8025         (same_access_functions): ...here.  Now static inline.
8026         (ddr_is_anti_dependent, ddrs_have_anti_deps,
8027         ddr_dependence_level): New.
8028         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
8029         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
8030         RDG_MEM_READS_STMT): New.
8031         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
8032         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
8033         rdg_vertex_for_stmt): Declared.
8034         (struct rdg_edge): New field level.
8035         (RDGE_LEVEL, free_rdg): New.
8036         (stores_from_loop, remove_similar_memory_refs,
8037         rdg_defs_used_in_other_loops_p,
8038         have_similar_memory_accesses): Declared.
8039         (rdg_has_similar_memory_accesses): New.
8040
8041         * lambda.h (dependence_level): New.
8042         * common.opt (ftree-loop-distribution): New.
8043         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
8044         (print_loop_ir): Renamed print_loops.
8045         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
8046         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
8047         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
8048         (tree-loop-distribution.o): Added.
8049         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
8050         (mark_virtual_ops_in_bb): New.
8051         (print_loops_bb, debug_loop_num, debug_loop): New.
8052         * passes.c: Scheduled pass_loop_distribution.
8053
8054 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
8055
8056         * graphite.c (scan_tree_for_params): Correct the number of columns
8057         for polylib format.
8058         (nb_flat_iterator): New.
8059         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
8060         (build_scop_iteration_domain): Correct the number of columns for
8061         polylib format.
8062
8063 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
8064
8065         * Merge from mainline (129697:130800).
8066
8067 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
8068
8069         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
8070         dominated by SCoP's exit.
8071         (graphite_transform_loops): Compute post dominators.
8072
8073 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8074
8075         * Merge from mainline (127169:129697).
8076
8077 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
8078
8079         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
8080         parameter for the basic block that contains the expression.  Use
8081         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
8082         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
8083         the expression.
8084         * graphite.h (gbb_loop): New.
8085         (GBB_LOOP): Removed.
8086
8087 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8088
8089         * Makefile.in: Fix merge problem.
8090
8091 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
8092
8093         * Merge from mainline (125309:127169).
8094         * tree-loop-distribution.c: Disabled.
8095
8096 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
8097
8098         * Merge from mainline (r123693:125309).
8099
8100 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
8101
8102         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
8103         correct_modify_p
8104         (correct_modify_p, check_statements, number_of_lvalue_uses,
8105         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
8106         instead of MODIFY_EXPR.
8107         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
8108         and push new edges.
8109
8110 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
8111
8112         * tree-loop-distribution.c (struct rdg): Replace arrays by
8113         VECs for edges and vertices.
8114         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
8115         (RDGV_NB_PARTITIONS): New.
8116         (PRDG_NBV, PRDG_NBE): Removed.
8117         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
8118         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
8119         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
8120
8121 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
8122             Sebastian Pop  <sebpop@gmail.com>
8123
8124         * doc/invoke.texi (-ftree-loop-distribution): Document.
8125         * tree-loop-distribution.c: New file.
8126         * tree-pass.h (pass_loop_distribution): Declared.
8127         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
8128         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
8129         and set reversed_p.
8130         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
8131         (DDR_REVERSED_P): New.
8132         * common.opt (-ftree-loop-distribution): New.
8133         * tree-flow.h (distribute_loops): Declared.
8134         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
8135         * passes.c (init_optimization_passes): Schedule loop distribution.
8136
8137 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
8138
8139         * graphite.c (print_graphite_bb): Don't call dump_data_references.
8140         (print_scop): Don't print when scop is NULL.
8141         (build_scop_context, find_transform): Don't output to stderr.
8142
8143 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
8144
8145         * tree-data-ref.c: Don't include graphite.h.
8146         Comment out the code for printing data reference's scop.
8147         (build_access_matrix_with_af): Moved...
8148         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
8149         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
8150         (print_graphite_bb): Print basic block's schedule.
8151         (print_scop): Don't print the schedule, call cloog's pretty printer.
8152         (bb_in_scop_p): A basic block is in a scop only if it is both
8153         dominated and postdominated by the scop's entry and exit basic blocks.
8154         (function_parameter_p): New.
8155         (invariant_in_scop_p): Use function_parameter_p.
8156         (new_scop, save_scop): New.
8157         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
8158         save_scop.
8159         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
8160         (loop_in_scop_p): New.
8161         (scop_record_loop): Use loop_in_scop_p.
8162         (build_scop_domain): Renamed build_scop_iteration_domain.
8163         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
8164         nb_params_in_scop, build_scop_context, first_loop_in_scop,
8165         setup_cloog_loop, dot_scop_1, dot_scop): New.
8166         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
8167         (struct scop): Add a pointer to cloog's representation of a program.
8168
8169 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8170
8171         * doc/invoke.texi (-ftree-check-verbose): Renamed
8172         -ftree-checks-verbose.
8173         * common.opt (flag_tree_check_verbose): Renamed
8174         flag_tree_checks_verbose.
8175         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
8176
8177 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
8178
8179         * configure: Regenerated.
8180         * config.in: Regenerated.
8181         * tree-ssa-loop.c (graphite_transforms): Execute
8182         graphite_transform_loops only when HAVE_cloog.
8183         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
8184         * graphite.c: Include polylibgmp.h and cloog.h.
8185         (graphite_transform_loops): Removed loops parameter.
8186         * tree-flow.h (graphite_transform_loops): Update declaration.
8187         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
8188         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
8189         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
8190         (OBJS-common): Remove dependence on graphite.o.
8191         (BACKEND): Depend on @GRAPHITE@.
8192
8193 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
8194
8195         * doc/invoke.texi (-ftree-check-verbose): Documented.
8196         * gcc.dg/tree-checker/tree-checks-1.c: New.
8197         * gcc.dg/tree-checker/tree-checks-2.c: New.
8198         * gcc.dg/tree-checker/tree-checks-3.c: New.
8199         * gcc.dg/tree-checker/tree-checks-4.c: New.
8200         * gcc.dg/tree-checker/tree-checks.exp: New.
8201         * gcc.dg/tree-checker/condates.crp: New.
8202         * common.opt (ftree-checks-verbose): New.
8203         * tree-check.c (tree_check_warning): Move extra stderr output
8204         under control of flag_tree_check_verbose.
8205
8206 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
8207
8208         * tree-match.c: Fix comments formatting.
8209         * tree-match.h: Fix comments formatting.
8210         * tree-check.c: Fix comments formatting.
8211         (tree_check_init): Restructure.
8212
8213 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
8214
8215         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
8216
8217 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
8218
8219         * Merge from mainline (r120733:123693).
8220
8221 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
8222
8223         * condate.y: New file.
8224         * tree-match.h (struct patt_info_s): New field sign.
8225         (struct condate_s): New field msg.
8226         (normalize_condate, name_condate, add_condate): New.
8227         (conds[], condate_parse): Made extern.
8228         * tree-check.c (tree_check_warning): First arg changed to cond;
8229         warning reformatted.
8230         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
8231         (tree_scan): New.
8232         (tree_check): Process trivial condates.
8233         (read_delimited_string): Removed.
8234         (print_cond): Print name and msg.
8235         (conds[]): Made extern.
8236         (parse_tree_check_file_once): Rewritten to use the parser in
8237         condate.y.
8238         Processing of option --tree_check_string moved to tree_scan().
8239         * Makefile.in: Added condate.y
8240
8241 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
8242
8243         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
8244         Use VECs instead of varrays.
8245         * diagnostic.h (lazy_dump_generic_node): Update declaration.
8246         * Makefile.in (pretty-print.o): Depend on vec.h.
8247         * pretty-print.c: Include tree.h and vec.h.
8248         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
8249         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
8250         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
8251         pp_free_list): Use VECs instead of varrays.
8252         * pretty-print.h: Do not include varray.h.
8253         (struct tree_chunk_s): Declaration moved before its use.
8254         (output_buffer): Rename varray field to chunks.
8255         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
8256         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
8257         save_global_holes): Use VECs instead of varrays.
8258         * tree-match.h: Declare VECs of cfg_node, and hole_p.
8259         * tree-check.c (scan_cfg_stmts, push_node,
8260         print_matching_stmt): Removed.
8261         (tree_check_instance, push_global_holes_if_new, tree_check,
8262         execute_tree_check): Use VECs instead of varrays.
8263         (gate_tree_check): Don't execute the CFG check when basic_block_info
8264         is not available.
8265
8266 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8267
8268         * Merge from mainline (r115016:120733).
8269
8270 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8271
8272         * Merge from mainline (r117632:117661).
8273
8274 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
8275
8276         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
8277         * tree-pass.h (TDF_DEBUG, debug_p): New.
8278         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
8279         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
8280         get_loop_exit_condition, analyze_evolution_in_loop,
8281         analyze_initial_condition, analyze_scalar_evolution,
8282         instantiate_parameters, number_of_latch_executions): Use debug_p.
8283         * tree-chrec.c (chrec_apply): Use debug_p.
8284         * tree-data-ref.c: Include graphite.h.
8285         (dump_data_reference): Print also the access matrix.
8286         (analyze_array, analyze_indirect_ref, init_data_ref,
8287         analyze_offset_expr, address_analysis, object_analysis,
8288         create_data_ref, finalize_ddr_dependent,
8289         non_affine_dependence_relation, analyze_ziv_subscript,
8290         analyze_siv_subscript_cst_affine,
8291         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8292         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
8293         analyze_miv_subscript, analyze_overlapping_iterations,
8294         build_classic_dist_vector, subscript_dependence_tester,
8295         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
8296         (build_access_matrix_with_af): No longer static.
8297         * tree-data-ref.h (scop_p): ... declaration here.
8298         (data_reference.scop): New field.
8299         (DR_SCOP, DR_ACCESS_MATRIX): New.
8300         (build_access_matrix_with_af, dr_num_subscripts): Declared.
8301         * graphite.c (print_graphite_bb): Call dump_data_references.
8302         (print_scop): Use scop_nb_loops and scop_dim_domain.
8303         (test_for_scop_bound): Use debug_p.
8304         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
8305         scop_nb_params.
8306         (scop_loop_index): Moved...
8307         (scop_record_loop): New.
8308         (build_scop_loop_nests): Use scop_record_loop.
8309         (build_scop_domain): Use scop_dim_domain.
8310         (build_access_matrix): Implemented.
8311         (build_scop_canonical_schedules): Use scop_nb_loops.
8312         (build_graphite_bb): Initialize GBB_SCOP.
8313         * graphite.h (scop_p): Moved...
8314         (graphite_bb.scop): New field.
8315         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
8316         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
8317         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
8318         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
8319         scop_loop_index): New.
8320         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
8321
8322 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
8323
8324         * Merge from mainline (r117661:120450).
8325
8326 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
8327
8328         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
8329         at the first declaration outside the varying loop, instantiate as
8330         far as possible.
8331         * tree-chrec.c (for_each_scev_op): New.
8332         * tree-chrec.h (for_each_scev_op): Declared.
8333         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
8334         * tree-data-ref.c (get_references_in_stmt,
8335         find_data_references_in_stmt): New, from trunk.
8336         (find_data_references_in_loop): Use get_references_in_stmt
8337         and find_data_references_in_loop, modified as in trunk.
8338         (build_access_matrix_with_af): New.
8339         * tree-data-ref.h (data_reference): Add a field access_matrix.
8340         (data_ref_loc): New, as in trunk.
8341         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
8342         invariant_in_scop_p, param_index, scan_tree_for_params,
8343         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
8344         idx_record_param, idx_record_params, build_access_matrix,
8345         build_scop_data_accesses, build_scop_canonical_schedules,
8346         build_graphite_bb, build_scop_bbs, find_params_in_bb,
8347         build_scop_params): New.
8348         * graphite.h (graphite_bb): New.
8349         (scop): Add fields static_schedule, params, loop_nest,
8350         iteration_domain.
8351         * lambda.h: Declare vecs of lambda_matrix.
8352         * tree-flow.h (print_loop_ir_bb): Declared.
8353         * tree-cfg.c (print_loop_ir_bb): New.
8354         (print_loop): Use print_loop_ir_bb.
8355
8356 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
8357
8358         * Merge from mainline (r115016:117632).
8359
8360 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
8361
8362         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
8363         break due to a warning.
8364
8365 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
8366
8367         * graphite.c (print_scops, debug_scops): New.
8368         (graphite_transform): Renamed graphite_find_transform.
8369         * graphite.h (debug_scops): Declared.
8370
8371 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
8372
8373         * tree-match.c: Reformat following the GNU style.
8374         * tree-match.h: Reformat following the GNU style.
8375         * tree-pattern.h: Removed empty file.
8376         * Makefile.in: Remove references to tree-pattern.h.
8377         * tree-check.c: Reformat following the GNU style.
8378         (execute_tree_check): Move gate condition code to...
8379         (gate_tree_check): ...here.  New function.
8380         (pass_check): Use the gate function.
8381
8382 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
8383
8384         * tree-pattern.h: New. Tree pattern matching and checking using
8385         concrete syntax.
8386         * tree-check.c: New. Tree/CFG checking pass.
8387         * tree-match.c: New. Library for tree pattern matching.
8388         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
8389         * toplev.c, flags.h: Add globals for tree-check pass.
8390         * Makefile.in: Integrate the files in tree-check pass.
8391         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
8392         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
8393         Introduce a "lazy" pretty-print mode.
8394         * tree.c, tree.h: Add tree_name.
8395
8396 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
8397
8398         * doc/invoke.texi (-fgraphite): Correct typo.
8399         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
8400         use of print_loop_ir.
8401         * gcc.dg/graphite/scop-1.c: New.
8402         * gcc.dg/graphite/scop-2.c: New.
8403         * gcc.dg/graphite/graphite.exp: New.
8404         * graphite.c: Include domwalk.h.
8405         (print_scop): Print only the entry and exit blocks.
8406         (debug_scop): No longer static.
8407         (affine_expr): Fix formating.  Return also true when the expression is
8408         constant.
8409         (stmt_simple_for_scop_p): Fix formating.
8410         (build_scops): Use domwalk.
8411         (get_loop_start, end_scop, test_for_scop_bound): New.
8412         (graphite_transform_loops): Avoid printing on stderr.
8413         * graphite.h (debug_scop): Declared.
8414         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
8415         * Makefile.in (graphite.o): Depend on domwalk.h.
8416         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
8417         declarations for static functions.
8418         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
8419         controlling output verbosity.
8420
8421 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
8422             Plesco Alexandru  <shurikx@gmail.com>
8423
8424         * doc/invoke.texi (-fgraphite): Document.
8425         * tree-pass.h (pass_graphite_transforms): Declared.
8426         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
8427         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
8428         (pass_graphite_transforms): Defined.
8429         * tree-data-ref.c (free_data_ref, data_reference): Extern.
8430         * tree-data-ref.h (free_data_ref, data_reference): Declared.
8431         * graphite.c, graphite.h: New.
8432         * common.opt (fgraphite): Declared.
8433         * tree-flow.h (graphite_transform_loops): Declared.
8434         * Makefile.in (OBJS-common): Add graphite.o.
8435         (graphite.o): New rule.
8436         * passes.c (pass_graphite_transforms): Scheduled.
8437