gcc/ChangeLog.graphite

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