gcc/ChangeLog.graphite

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