Use sizetype instead of unsigned_type_node.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
        instead of unsigned_type_node.

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
            Reza Yazdani  <reza.yazdani@amd.com>

        PR middle-end/43065
        * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
        on pointer type parameters.

        * gcc.dg/graphite/run-id-4.c: New.

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43065
        * gcc.dg/graphite/run-id-3.c: New.

2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
            Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>

        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
        handle conversions from pointer to integers.
        (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
        induction variable, to be able to work with code generated by CLooG.
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
        (build_poly_scop): Bail out if we cannot codegen a loop.

2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
        code generation with gloog_error.

2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
        Call fold_convert on all the returned values.
        (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
        the type of the resulting expression.

2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
        ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
        * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.

2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (map_into_dep_poly): Removed.
        (dependence_polyhedron_1): Use combine_context_id_scat.

2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (struct poly_scattering): Add layout documentation.
        (struct poly_bb): Same.
        (combine_context_id_scat): New.

2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42326
        * sese.c (name_defined_in_loop_p): Return false for default
        definitions.

        * gcc.dg/graphite/pr42326.c: New.

2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
        and clean up the logic.

2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
        early return.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43083
        * graphite-scop-detection.c (create_single_exit_edge): Move
        the call to find_single_exit_edge to....
        (create_sese_edges): ...here.  Don't handle multiple edges
        exiting the function.
        (build_graphite_scops): Don't handle multiple edges
        exiting the function.

        * gcc.dg/graphite/pr43083.c: New.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43097
        * sese.c (get_rename): Assert that old_name is an SSA_NAME.
        (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.

        * gfortran.dg/graphite/pr43097.f: New.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR middle-end/43140
        * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43026
        * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.

        * g++.dg/graphite/pr43026.C: New.

2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Merge from mainline (154736:156693).

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43012
        * gcc.dg/graphite/pr43012.c: New.

2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        * g++.dg/graphite/pr42930.C: New.

2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42930
        * graphite-scop-detection.c (graphite_can_represent_scev): Call
        graphite_can_represent_init for MULT_EXPR.

2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42914
        PR middle-end/42530
        * graphite-sese-to-poly.c (remove_phi): New.
        (translate_scalar_reduction_to_array): Call remove_phi.

        * gcc.dg/graphite/pr42530.c: New.
        * gcc.dg/graphite/pr42914.c: New.

2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42771
        * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
        * graphite-clast-to-gimple.h (gloog): Update declaration.
        * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
        * graphite-poly.h (struct poly_bb): Add missing comments.
        (struct scop): Add poly_scop_p field.
        (POLY_SCOP_P): New.
        * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
        * graphite.c (graphite_transform_loops): Build the polyhedral
        representation for each scop before code generation.
        * sese.c (rename_variables_in_operand): Removed.
        (rename_variables_in_expr): Return the renamed expression.
        (rename_sese_parameters): New.
        * sese.h (rename_sese_parameters): Declared.

        * gcc.dg/graphite/pr42771.c: New.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
        return 0 from main.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/block-3.c: Same.
        * gcc.dg/graphite/block-4.c: Same.
        * gcc.dg/graphite/block-5.c: Same.
        * gcc.dg/graphite/block-6.c: Same.
        * gcc.dg/graphite/block-7.c: Same.
        * gcc.dg/graphite/interchange-0.c: Same.
        * gcc.dg/graphite/interchange-1.c: Same.
        * gcc.dg/graphite/interchange-10.c: Same.
        * gcc.dg/graphite/interchange-11.c: Same.
        * gcc.dg/graphite/interchange-12.c: Same.
        * gcc.dg/graphite/interchange-2.c: Same.
        * gcc.dg/graphite/interchange-3.c: Same.
        * gcc.dg/graphite/interchange-4.c: Same.
        * gcc.dg/graphite/interchange-5.c: Same.
        * gcc.dg/graphite/interchange-6.c: Same.
        * gcc.dg/graphite/interchange-7.c: Same.
        * gcc.dg/graphite/interchange-8.c: Same.
        * gcc.dg/graphite/interchange-9.c: Same.
        * gcc.dg/graphite/interchange-mvt.c: Same.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        * gfortran.dg/graphite/id-19.f: New.
        * gfortran.dg/graphite/pr14741.f90: New.
        * gfortran.dg/graphite/pr41924.f90: New.
        * gfortran.dg/graphite/run-id-2.f90: New.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42988
        * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
        to unknown_dependence.
        (graphite_legal_transform_dr): Handle the unknown_dependence.
        (graphite_carried_dependence_level_k): Same.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.

2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
            Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        PR middle-end/42637
        * graphite-dependences.c (build_lexicographical_constraint): Return
        a union of dependence polyhedra.
        (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.

        * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
        * gcc.dg/graphite/block-4.c: Same.
        * gcc.dg/graphite/block-7.c: Same.
        * gcc.dg/graphite/interchange-12.c: Same.
        * gcc.dg/graphite/interchange-mvt.c: Same.
        * gfortran.dg/graphite/interchange-1.f: XFAILed.
        * gfortran.dg/graphite/interchange-3.f90: XFAILed.
        * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.

2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
        the execution check to FAIL.  This testcase is miscompiled by Graphite
        and the check should be re-enabled.
        * gcc.dg/graphite/interchange-mvt.c: Same.
        * gcc.dg/graphite/block-0.c: Same.
        * gcc.dg/graphite/block-4.c: Same.
        * gcc.dg/graphite/block-7.c: Same.

2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
        * gcc.dg/graphite/scop-0.c: Fix spaces.
        * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
        * gfortran.dg/graphite/block-2.f: Same.
        * gfortran.dg/graphite/block-3.f90: Same.
        * gfortran.dg/graphite/block-4.f90: Same.
        * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
        * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.

2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
        PDDR_ORIGINAL_SCATTERING_P.
        (pddr_is_empty): Rewritten.
        (print_dependence_polyhedron_layout): New.
        (print_pddr): New.
        (debug_pddr): New.
        (build_alias_set_powerset): Moved up.
        (poly_drs_may_alias_p): Moved up.
        (lexicographically_gt_p): Removed.
        (build_lexicographically_gt_constraint): Renamed
        build_lexicographical_constraint, reimplemented.
        (dependence_polyhedron_1): Simplified parameters.
        (dependence_polyhedron): Same.  Keep along empty PDDRs
        to make efficient use of the cache.
        (reduction_dr_p): Compute the PBBs don't pass them as parameters.
        (graphite_legal_transform_dr): Rewritten.
        (graphite_legal_transform_bb): Pass fewer arguments to
        graphite_legal_transform_dr.
        (graphite_carried_dependence_level_k): Simplified implementation.
        (dot_original_deps_stmt_1): Call dependence_polyhedron.
        (dot_transformed_deps_stmt_1): Same.
        (dot_original_deps): Same.
        (dot_transformed_deps): Same.
        * graphite-dependences.h (struct poly_ddr): Added a new field
        original_scattering_p.
        (PDDR_ORIGINAL_SCATTERING_P): New.
        (print_pddr): Declared.
        (debug_pddr): Declared.
        * graphite-ppl.c: Clarify comment.
        * sese.h (print_gimple_bb): Removed unused declaration.
        (debug_gbb): Same.

2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>

        * g++.dg/graphite/graphite.exp: Rewritten.
        * gcc.dg/graphite/graphite.exp: Rewritten.
        * gfortran.dg/graphite/graphite.exp: Rewritten.
        * gcc.dg/graphite/block-0.c: Added runtime test.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/block-3.c: Same.
        * gcc.dg/graphite/block-4.c: Same.
        * gcc.dg/graphite/block-5.c: Same.
        * gcc.dg/graphite/block-6.c: Same.
        * gcc.dg/graphite/block-7.c: Same.
        * gcc.dg/graphite/interchange-0.c: Same.
        * gcc.dg/graphite/interchange-1.c: Same.
        * gcc.dg/graphite/interchange-10.c: Same.
        * gcc.dg/graphite/interchange-11.c: Same.
        * gcc.dg/graphite/interchange-12.c: Same.
        * gcc.dg/graphite/interchange-2.c: Same.
        * gcc.dg/graphite/interchange-3.c: Same.
        * gcc.dg/graphite/interchange-4.c: Same.
        * gcc.dg/graphite/interchange-5.c: Same.
        * gcc.dg/graphite/interchange-6.c: Same.
        * gcc.dg/graphite/interchange-7.c: Same.
        * gcc.dg/graphite/interchange-8.c: Same.
        * gcc.dg/graphite/interchange-9.c: Same.
        * gcc.dg/graphite/interchange-mvt.c: Same.
        * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.

2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>

        * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
          background.

2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>

        * common.opt: Add -fgraphite-cloog-opts.
        * graphite-clast-to-gimple.c (set_cloog_options): Same.
        * opts.c (decode_options): Same.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/id-17.c: New.
        * gcc.dg/graphite/pr41888.c: New.
        * gcc.dg/graphite/scop-22.c: New.
        * gfortran.dg/graphite/pr40982.f90: New.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: Clarify comments.
        (build_pddr): Add an extra parameter direction.
        (graphite_legal_transform_dr): Use build_pddr.
        (dot_original_deps_stmt_1): Update use of build_pddr.
        (dot_transformed_deps_stmt_1): Same.
        (dot_original_deps): Same.
        (dot_transformed_deps): Same.

        * gcc.dg/graphite/interchange-12.c: New.
        * gcc.dg/graphite/block-7.c: New.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
        (pddr_transformed_scattering): Removed.
        (graphite_legal_transform_dr): Use build_pddr.
        (dot_original_deps_stmt_1): Same.
        (dot_transformed_deps_stmt_1): Same.
        (dot_original_deps): Same.
        (dot_transformed_deps): Same.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (lexicographically_gt_p): Add comments.
        (build_lexicographically_gt_constraint): Same.
        (dependence_polyhedron_1): Same.
        (dependence_polyhedron): Same.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
        (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
        (lexicographically_gt_p): Change type of direction to int.
        (build_lexicographically_gt_constraint): Same.
        (dependence_polyhedron_1): Same.
        (dependence_polyhedron): Same.
        (pddr_original_scattering): Use integers for direction.
        (pddr_transformed_scattering): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.

2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_constraint): Renamed
        ppl_build_relation.  Moved...
        (dr_equality_constraints): Use ppl_build_relation.
        (build_pairwise_scheduling_equality): Same.
        (build_pairwise_scheduling_inequality): Same.
        * graphite-ppl.c (ppl_build_relation): ...here.
        * graphite-ppl.h (ppl_build_relation): Declared.

2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42681
        * graphite-clast-to-gimple.c (gloog_error): New static variable.
        (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
        Set gloog_error when such an expression failed to be built.
        (translate_clast): Early return when gloog_error is set.
        (gloog): Clear gloog_error.  When gloog_error is set, call
        set_ifsese_condition to enable the original code.  Return the status
        of the code generation based on gloog_error.
        * sese.c (set_ifsese_condition): New.
        * sese.h (set_ifsese_condition): Declared.

        * g++.dg/graphite/pr42681.C: New.

2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42732
        * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
        rename_nb_iterations.
        * sese.c (rename_variables_in_operand): New.
        (rename_variables_in_expr): New.
        (rename_nb_iterations): New.
        (sese_adjust_liveout_phis): Update the rename_map.
        * sese.h (rename_nb_iterations): Declared.
        * tree-scalar-evolution.c (scev_reset_htab): New.
        (scev_reset): Call scev_reset_htab.
        * tree-scalar-evolution.h (scev_reset_htab): Declared.

        * gfortran.dg/graphite/pr42732.f: New.

2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42393
        * graphite-clast-to-gimple.c: Fix formatting.
        * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
        (expr_defined_in_loop_p): New.
        (add_loop_exit_phis): Also handle full expressions: remove from
        the rename_map the expressions defined in the loop that we're closing.

        * gfortran.dg/graphite/pr42393-1.f90: New.
        * gfortran.dg/graphite/pr42393.f90: Add new flags
        -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
        make this testcase useful in the Graphite branch.

2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (exclude_component_ref): Removed.
        (is_simple_operand): Removed.
        (stmt_simple_for_scop_p): Remove use of is_simple_operand.

2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42221
        * sese.c (expand_scalar_variables_expr): Follow the SSA links into
        the array indexing of ADDR_EXPRs.

        * gcc.dg/graphite/pr42221.c: New.

2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42521
        * graphite.c (graphite_finalize): Call scev_reset.
        (graphite_transform_loops): Do not call scev_reset between the code
        generation of scops.

        * gcc.dg/graphite/pr42521.c: New.

2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_stride_in_loop): Renamed
        pdr_stride_in_loop.
        (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
        (memory_strides_in_loop): Memoize the memory strides per loop.
        (lst_interchange_profitable_p): Do not initialize to zero the memory
        strides.
        * graphite-poly.h (struct lst): Add a field memory_strides.
        (LST_LOOP_MEMORY_STRIDES): New.
        (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
        (free_lst): Clear LST_LOOP_MEMORY_STRIDES.

2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
        memory_strides_in_loop.  Gather memory strides on a whole loop.
        (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
        (lst_interchange_profitable_p): Removed.
        (lst_try_interchange_loops): Call lst_interchange_profitable_p.

2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>

        Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
        * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
        (translate_clast_for, translate_clast_guard, translate_clast, gloog):
        Remove context_loop and level.

2010-01-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42641
        * sese.c (rename_map_elt_info): Use the SSA name version, do
        not hash pointers.

2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
        blocked" only when both the strip mine and the interchange have
        been applied.

        * gcc.dg/graphite/block-2.c: Removed.
        * gcc.dg/graphite/block-3.c: Add scan pattern.
        * gcc.dg/graphite/block-4.c: Same.
        * gcc.dg/graphite/block-5.c: Same.
        * gcc.dg/graphite/block-6.c: Same.

2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
        before allocating a new one.
        (copy_renames): Check that slot is not NULL.
        (mark_bb_with_pbb): Same.
        (compute_cloog_iv_types_1): Same.
        * graphite-interchange.c (lst_perfect_nestify): Free the before,
        nest, and after LSTs.
        (lst_try_interchange_loops): Same.

2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        * graphite-interchange.c (lst_try_interchange_loops): Do not return
        the before, nest, and after LSTs.
        (lst_try_interchange): Removed.
        (lst_interchange_select_inner): Do not iterate over the LSTs if they
        were modified.
        (lst_interchange_select_outer): Apply interchange on the outer loop
        until there are no more changes in the inner loops.

2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>

        Revert patch fixing PR middle-end/42221.

2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42180
        * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
        GIMPLE_CALL.

        * gfortran.dg/graphite/pr42180.f90: Add compile flags.

2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42180
        * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
        that contain only one statement.

        * gfortran.dg/graphite/pr42180.f90: New.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42393
        * gfortran.dg/graphite/pr42393.f90: New.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42186
        * gfortran.dg/graphite/pr42186.f90: New.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42205
        * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
        Insert the reduction copy in the same block as the phi node.
        (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.

        * gcc.dg/graphite/pr42205-1.c: New.
        * gcc.dg/graphite/pr42205-2.c: New.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42221
        * sese.c (expand_scalar_variables_expr): Follow the SSA links into
        the array indexing of ADDR_EXPRs.

        * gcc.dg/graphite/pr42221.c: New.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
        index.  Call lst_interchange_select_inner only once.
        (lst_interchange_select_inner): Update use of lst_try_interchange.
        (lst_interchange_select_outer): Update.

2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_try_interchange): Do not increment the
        the OUTER index when there is no AFTER kernel.  Do not increment the
        OUTER index for after processing the AFTER kernel.
        (lst_interchange_select_inner): Call lst_try_interchange only on loops.
        (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
        index.  Do not pass to lst_interchange_select_inner the OUTER index.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * gfortran.dg/graphite/graphite.exp
        (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
        * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
        the graphite dump file.
        * gfortran.dg/graphite/interchange-2.f: Same.
        * gfortran.dg/graphite/pr42334-1.f: New.

2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
        that are empty.
        (lst_do_interchange_1): Renamed lst_interchange_select_inner.
        (lst_try_interchange): Reimplemented.
        (lst_interchange_select_inner): Same.
        (lst_do_interchange): Renamed lst_interchange_select_outer.
        Reimplemented.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
        * gcc.dg/graphite/block-0.c: Un-XFAILed.
        * gcc.dg/graphite/pr42211.c: New.
        * gfortran.dg/graphite/pr42334.f90: New.

2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42181
        * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
        carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.

        * gfortran.dg/graphite/pr42181.f90: New.

2009-12-12  Sebastian Pop  <sebpop@gmail.com>

        PR middle-end/42284
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
        insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
        (detect_commutative_reduction_arg): Simplified.
        (detect_commutative_reduction): Early return when the argument of
        the close phi is not of an SSA_NAME.

        * gcc.dg/graphite/pr42284.c: New.

2009-12-11  Alexander Monakov  <amonakov@ispras.ru>

        * dbgcnt.def (graphite_scop): New counter.
        * graphite.c: Include dbgcnt.h
        (graphite_transform_loops): Use new counter to limit transformations.

2009-12-08  Sebastian Pop  <sebpop@gmail.com>

        PR middle-end/42285
        * graphite-scop-detection.c (graphite_can_represent_init): Also
        handle more complex MULT_EXPRs containing parameters by recursion
        on the structure.

        * gfortran.dg/graphite/pr42285.f90: New.

2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>

        * g++.dg/graphite/pr42130.C: Fix type.

2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>

        * g++.dg/graphite/pr42130.C: Correct testcase.

2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>

        * Merge from mainline (154493:154734).

2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>

        * Merge from mainline (151362:154491).

2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (try_mark_loop_parallel,
        graphite_create_new_loop_guard, translate_clast_for): Fix comments.

2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/42130
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
        translate_clast_for_loop): New.
        (translate_clast_for): Add a condition around the loop, to do not
        execute loops with zero iterations.
        * g++.dg/graphite/pr42130.C: New.
        * gcc.dg/graphite/pr35356-2.c: Adapt.

2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
        (translate_clast_for, translate_clast_guard, translate_clast, gloog):
        Remove context_loop and level.

2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (translate_clast_user,
        translate_clast_for, translate_clast_guard): Simplify and move common
        elements to translate_clast().
        (translate_clast): Simplify and get common elements.

2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (translate_clast_user,
        translate_clast_for, translate_clast_guard): Split out of
        translate_clast.

2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
        clast_name_to_index, save_clast_name_index, debug_clast_name_index,
        debug_clast_name_indexes_1, debug_clast_name_indexes,
        clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
        (clast_name_to_gcc, clast_to_gcc_expression,
        clast_to_gcc_expression_red, gcc_type_for_clast_expr,
        gcc_type_for_clast_eq, graphite_translate_clast_equation,
        graphite_create_guard_cond_expr, graphite_create_new_loop,
        translate_clast): Add params_index.
        (initialize_cloog_names): Create parameter strings from scratch, do
        not reference other strings.
        (create_params_index): New.
        (gloog): Initialize params_index.
        * graphite-scop-detection (free_scops_1): Removed.
        (limit_scops): Use normal free_scops.
        * graphite-sese-to-poly.c (save_var_names): Removed.
        (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
        and SESE_PARAMS_INDEX.
        * sese.c (new_sese, free_sese): Dito.
        * sese.h (struct sese): Remove params_index, params_names.
        (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.

2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>

        Revert the following patch from 2009-09-14:
        * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
        tree-scalar-evolution.h, and then tree-data-ref.h.
        * graphite-clast-to-gimple.c: Same.
        * graphite-dependences.c: Same.
        * graphite-interchange.c: Same.
        * graphite-poly.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.
        * lambda-code.c: Same.
        * matrix-reorg.c: Same.
        * tree-data-ref.c: Same.
        * tree-if-conv.c: Same.
        * tree-loop-distribu: Same.: Same.
        * tree-loop-linear.c: Same.
        * tree-parloops.c: Same.
        * tree-predcom.c: Same.
        * tree-vect-patterns.c: Same.

2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>

        Revert patch from 2009-09-14.
        * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
        passes at -O1 and below.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40281
        * gcc.dg/graphite/pr40281.c: New.

        * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
        evolutions should not variate in inner loops.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42050
        * gfortran.dg/graphite/pr42050.f90: New.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_strides_in_loop_depth): New.
        (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (scop_do_block): New.
        * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
        * graphite-poly.h (scop_do_block): Declared.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
        depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
        to transform depth into the time_depth before calling
        pbb_number_of_iterations_at_time.
        (lst_do_strip_mine): Use a scalar variable instead of recomputing
        lst_depth.

2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>

        Reverted the patch for "scattering permutations" from 2009-10-28.

        * graphite-poly.c (print_permutation): New.
        (debug_permutation): New.
        (new_poly_bb): Initialize PBB_PERMUTATION.
        (free_poly_bb): Free PBB_PERMUTATION.
        * graphite-poly.h (pbb_permutation_elt_p): Declared.
        (struct pbb_permutation_elt): New.
        (PBB_PERMUTATION_ELT_STRIDE): New.
        (PBB_PERMUTATION_ELT_STRIDED_P): New.
        (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
        (new_pbb_permutation_elt): New.
        (pbb_permutation_elt_free): New.
        (struct poly_bb): Add field permutation.
        (PBB_PERMUTATION): New.
        (print_permutation): Declared.
        (debug_permutation): Declared.

2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite-interchange.c (build_partial_difference): New.
        (memory_stride_in_loop): Refactored the computation of
        equality constraints into build_partial_difference function.
        Added support for debugging stride computations.

2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Free if_region,
        if_region->true_region, and if_region->region.
        * sese.c (if_region_set_false_region): Free if_region->false_region.
        (create_if_region_on_edge): Do not use GGC_NEW.
        (move_sese_in_condition): Remove useless initialization.

2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
        for the loops created by the loop distribution.  Do not modify the
        input LSTs.
        (lst_try_interchange_loops): Same.  Use a temporary LST for the
        transformed schedule.  Call lst_update_scattering before data
        dependence analysis.
        (lst_try_interchange): Pass an extra parameter INDEX.
        (lst_do_interchange_1): New.
        (lst_do_interchange): Call lst_do_interchange_1.
        (scop_do_interchange): Call lst_update_scattering.
        * graphite-poly.c (apply_poly_transforms): Do not call
        lst_update_scattering.
        * graphite-poly.h (lst_pred): New.
        (lst_succ): New.
        (lst_find_first_pbb): Return NULL when not found.
        (lst_empty_p): New.
        (lst_insert_in_sequence): Allow LST1 to be NULL.
        (lst_replace): New.
        (lst_substitute_3): New.
        * gcc.dg/graphite/interchange-1.c: XFail.
        * gcc.dg/graphite/interchange-8.c: XFail.
        * gcc.dg/graphite/interchange-11.c: XFail.

2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_perfectly_nested_p): New.
        (lst_perfect_nestify): New.
        (lst_try_interchange_loops): Call store_lst_schedule,
        lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
        (scop_do_interchange): Avoid redundant legality test.
        Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
        * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
        * graphite-poly.h (psct_static_dim): New.
        (lst_dewey_number_at_depth): New.
        (lst_find_pbb): Restructured.
        (lst_find_first_pbb): Restructured.
        (lst_find_last_pbb): New.
        (lst_contains_p): New.
        (lst_contains_pbb): New.
        (lst_create_nest): New.
        (lst_remove_from_sequence): New.
        (pbb_update_scattering): New.
        (lst_update_scattering_under): New.
        (lst_update_scattering_seq): New.
        (lst_update_scattering): New.
        (lst_insert_in_sequence): New.
        (lst_distribute_lst): New.
        (lst_remove_all_before_including_pbb): New.
        (lst_remove_all_before_excluding_pbb): New.

2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
        get_loop_exit_edges.

2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.

2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>

        * graphite-poly.c (print_permutation): New.
        (debug_permutation): New.
        (new_poly_bb): Initialize PBB_PERMUTATION.
        (free_poly_bb): Free PBB_PERMUTATION.
        * graphite-poly.h (pbb_permutation_elt_p): Declared.
        (struct pbb_permutation_elt): New.
        (PBB_PERMUTATION_ELT_STRIDE): New.
        (PBB_PERMUTATION_ELT_STRIDED_P): New.
        (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
        (new_pbb_permutation_elt): New.
        (pbb_permutation_elt_free): New.
        (struct poly_bb): Add field permutation.
        (PBB_PERMUTATION): New.
        (print_permutation): Declared.
        (debug_permutation): Declared.

2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Do not call
        sese_reset_aux_in_loops.
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
        extra argument for domains.  Do not use loop->aux.
        (build_scop_iteration_domain): Initialize and free domains, pass it
        to build_loop_iteration_domains and extract the information from
        domains.  Do not use loop->aux.
        * sese.c (sese_reset_aux_in_loops): Removed.
        * sese.h (sese_reset_aux_in_loops): Removed.

2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
        (dependency_in_loop_p): Same.
        (translate_clast): Do not use loop->aux.  Initialize
        loop->can_be_parallel.
        (mark_loops_parallel): Removed.
        * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
        * graphite.c (free_aux_in_new_loops): Removed.
        (graphite_finalize): Do not call free_aux_in_new_loops.
        (graphite_transform_loops): Do not call mark_loops_parallel.

2009-10-26  Li Feng  <nemokingdom@gmail.com>

        * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
        (translate_clast): Pass an extra parameter LEVEL.
        Call get_scattering_level.
        * graphite-clast-to-gimple.h (get_scattering_level): New.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloop.c (alloc_loop): Initialize loop->single_iv.
        * cfgloop.h (struct loop): New field single_iv.

        * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
        loop->aux anymore: use loop->single_iv.
        (graphite_loop_normal_form): Moved...
        (build_graphite_loop_normal_form): Removed.
        (gloog): Do not call build_graphite_loop_normal_form.
        (free_aux_in_new_loops): Moved...
        (mark_loops_parallel): Restructure.
        * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
        * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
        (scop_canonicalize_loops): New.
        (build_poly_scop): Call scop_canonicalize_loops.
        * graphite.c (free_aux_in_new_loops): ...here.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * g++.dg/graphite/graphite.exp: Add the same rules as in
        gcc.dg/graphite/graphite.exp.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * g++.dg/graphite/id-1.C: New.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
        argument base_name.
        (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
        (rewrite_phi_out_of_ssa): Same.
        (rewrite_cross_bb_scalar_deps): Same.
        (translate_scalar_reduction_to_array): Same.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_scop_drs): Disable call to
        dump_alias_graphs.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (dump_alias_graphs): New.
        (build_scop_drs): Call dump_alias_graphs.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
        SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
        (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
        SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
        * graphite-poly.h (free_lst): New.
        (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
        (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.

2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (struct scop): Add a field saved_schedule.
        (SCOP_SAVED_SCHEDULE): New.
        (store_lst_schedule): New.
        (restore_lst_schedule): New.
        (store_scattering): Call store_lst_schedule.
        (restore_scattering): Call restore_lst_schedule.

2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
        (pdr_add_alias_set): Same.
        (build_poly_dr): Same.
        (build_alias_set_optimal_p): Same.
        (build_base_obj_set_for_drs): Same.  Do not store the result of
        graphds_dfs.

2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
        all_components_are_cliques to 1.

2009-10-20  Li Feng  <nemokingdom@gmail.com>

        * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
        the new structure.
        (pdr_add_alias_set): Update retrieving alias_set_num.
        (build_poly_dr): Update retrieving dr_base_object_set.
        (partition_drs_to_sets): Remove.
        (build_alias_set_optimal_p): New.
        (build_alias_set_for_drs): Rename.
        (build_scop_drs): Update.
        * graphite-sese-to-poly.h (struct base_alias_pair): New.
        (ALIAS_SET_INDEX): Remove.
        (BASE_OBJECT_SET_INDEX): Remove.

2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.

2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
        loop upper bounds for 1-element arrays at end of structures.
        * tree-flow.h (array_at_struct_end_p): Declared.
        * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.

2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>

        * g++.dg/graphite/pr41305.C: New.

2009-10-20  Alexander Monakov  <amonakov@ispras.ru>

        * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
        construction of parameter constraints from loop iteration analysis.
        * gcc.dg/graphite/run-id-2.c: New test.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
        and new_cstr.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron_1): Remove
        unused gdim dimensions from the DDR polyhedron.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_transformed_scattering): New.
        (dot_original_deps_stmt_1): New.
        (dot_transformed_deps_stmt_1): New.
        (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
        dot_transformed_deps_stmt_1.
        (dot_original_deps): New.
        (dot_transformed_deps): New.
        (dot_deps_1): Call dot_original_deps and dot_transformed_deps.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_dr_1): Remove wrong
        assert: reduction BBs can have multiple reduction writes
        to memory.  interchange-3.f90 is an example.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * gfortran.dg/graphite/interchange-3.f90: New.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-1.c: Un-XFAILed.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron_1): Add the
        context to the dependence polyhedron.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
        PBB_PDR_DUPLICATES_REMOVED.
        (new_poly_bb): Same.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (find_scop_parameters): Initialize
        SCOP_CONTEXT.
        (build_loop_iteration_domains): Extract bounds on parameters
        based on the data size.
        (build_scop_context): Do not initialize SCOP_CONTEXT;
        add new constraints.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
        * graphite-ppl.h (graphite-ppl.h): Declared.

2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_print_linear_expr): New.
        (debug_ppl_linear_expr): New.
        * graphite-ppl.h (ppl_print_linear_expr): Declared.
        (debug_ppl_linear_expr): Declared.

2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c: Fix comments.
        * gcc.dg/graphite/block-1.c: Fix comments.

2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
        * gcc.dg/graphite/interchange-9.c: Un-XFAILed.

2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>

        Reapply the patch from Alexander Monakov that disappeared during
        the last merges from trunk.

        2009-09-16  Alexander Monakov  <amonakov@ispras.ru>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_stride_in_loop): The depth
        argument corresponds to a dynamic time dimension, so use
        psct_dynamic_dim to refer to the transformed scattering dimension.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (memory_stride_in_loop): Fix comments.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
        root of the LST.
        * graphite-interchange.c (lst_do_interchange): Avoid interchanging
        the root of the LST.
        * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
        fake loop.
        (print_lst): Print the root of LST in a different format.
        * graphite-poly.h (lst_depth): Adjust to include the root of the LST.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/passes.texi: Document the Graphite infrastructure.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
        (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
        and check the SSA representation.

        * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.

2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-11.c: New.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-8.c: Enable loop interchange.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
        Add -fno-loop-strip-mine and -fno-loop-interchange.
        (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
        -fno-loop-strip-mine.
        * gfortran.dg/graphite/graphite.exp: Same.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
        Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
        (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
        DEFAULT_FLAGS_GRAPHITE_IDENTITY.
        (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
        DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
        (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
        DEFAULT_FLAGS_GRAPHITE_SCOP.
        (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
        (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.

2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (build_linearized_memory_access): Pass an
        offset as parameter.
        (memory_stride_in_loop): Include transform scattering in the
        access functions to be able to querry the strides in the
        transformed loops.
        (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
        not the psct_iterator_dim.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_do_strip_mine): Removed.
        (lst_do_strip_mine_loop): New.
        (lst_do_strip_mine): New.
        (scop_do_strip_mine): Call lst_do_strip_mine.
        * graphite-poly.h (lst_add_loop_under_loop): New.
        (lst_find_first_pbb): New.

2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (loop_to_lst): Fix LST creation.

2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
        sizeof(unsigned long) to make it run on 32bit systems.

2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
        SEGFAULT on 32bit.

2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>

        * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
        Comment.
        (write_alias_graph_to_ascii_dot): New.
        (write_alias_graph_to_ascii_ecc): Ditto.
        (partition_drs_to_sets): Add testing of optimality of current method
        which assigns alias numbers according to DFS Comopnent number.  used
        as heuristic for the upcoming ECC algorithm.
        (build_scop_drs): Write to file also with the ecc and dot format.

2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>

        * gfortran.dg/graphite/interchange-1.f: XFail.

2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_initialize): Do not handle functions with
        more than 100 basic blocks.

2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_do_strip_mine): Use
        PARAM_LOOP_BLOCK_TILE_SIZE.

2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (dot_lst_1): New.
        (dot_lst): New.
        * graphite-poly.h (dot_lst): Declared.

2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dot_deps_stmt_1): New.
        (dot_deps_stmt): New.
        * graphite-dependences.h (dot_deps_stmt): Declared.

2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
        not replace cross BB scalar dependences ending on PHI nodes.
        (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.

2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (apply_poly_transforms): Implement the high
        level driver for flag_loop_block.
        * opts.c (decode_options): Enable flag_loop_block at -O2.
        * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
        flag_loop_block.

        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
        -floop-block.
        * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
        Add -floop-block.

2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (lst_find_pbb): New.
        (find_lst_loop): New.

2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
        * graphite-poly.h (struct scop): Remove dep_graph field.
        (SCOP_DEP_GRAPH): Removed.

2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (copy_lst): Do full copy of LST.

2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
        when the loop stride is zero.

        * gcc.dg/graphite/id-16.c: New.

2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_dr_1): New.
        (reduction_dr_p): New.
        (graphite_legal_transform_dr): Call reduction_dr_p.
        (reduction_ddr): Renamed reduction_ddr_p.
        * graphite-poly.h (same_pdr_p): New.
        (number_of_write_pdrs): New.
        * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
        (split_reduction_stmt): Do not split reduction statements
        when there are no writes to memory.
        (translate_scalar_reduction_to_array_for_stmt): Insert the
        memory reduction statement just after the scalar reduction statement.

        * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
        Un-XFAIL-ed.
        * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
        * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.

2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_apply_interchange): New.
        (lst_interchange_profitable_p): New.
        (lst_try_interchange_loops): New.
        (lst_try_interchange): New.
        (lst_do_interchange): New.
        (pbb_do_interchange): Removed.
        (scop_do_interchange): Call lst_do_interchange.

2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
        SCOP_TRANSFORMED_SCHEDULE.
        (loop_to_lst): New.
        (scop_to_lst): New.
        (print_lst): New.
        (debug_lst): New.
        * graphite-poly.h (lst_p): New.
        (struct lst): New.
        (LST_LOOP_P): New.
        (LST_LOOP_FATHER): New.
        (LST_PBB): New.
        (LST_SEQ): New.
        (scop_to_lst): Declared.
        (print_lst): Declared.
        (debug_lst): Declared.
        (new_lst_loop): New.
        (new_lst_stmt): New.
        (copy_lst): New.
        (lst_depth): New.
        (lst_dewey_number): New.
        (struct scop): Add original_schedule and transformed_schedule fields.
        (SCOP_ORIGINAL_SCHEDULE): New.
        (SCOP_TRANSFORMED_SCHEDULE): New.
        * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.

2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_ddr): New.
        (graphite_legal_transform_bb): Call reduction_ddr.
        * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
        Initialize PBB_IS_REDUCTION.
        * graphite-poly.h (struct poly_bb): New bool field is_reduction.
        (PBB_IS_REDUCTION): New.
        (new_poly_bb): Update declaration.
        * graphite-scop-detection.h (build_scop_bbs): Removed.
        (nb_reductions_in_loop): Removed.
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
        parameter for reductions.
        (try_generate_gimple_bb): Update call to new_poly_bb.
        (build_scop_bbs_1): Same.
        (build_scop_bbs): Same.
        (gsi_for_phi_node): New.
        (scalar_close_phi_node_p): Remove gcc_assert.
        (split_reduction_stmt): New.
        (is_reduction_operation_p): New.
        (phi_contains_arg): New.
        (follow_ssa_with_commutative_ops): New.
        (detect_commutative_reduction_arg): New.
        (detect_commutative_reduction_assign): New.
        (follow_inital_value_to_phi): New.
        (edge_initial_value_for_loop_phi): New.
        (initial_value_for_loop_phi): New.
        (detect_commutative_reduction): New.
        (translate_scalar_reduction_to_array_for_stmt): New.
        (insert_copyout): New.
        (insert_copyin): New.
        (translate_scalar_reduction_to_array): New.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
        (rewrite_commutative_reductions_out_of_ssa_loop): New.
        (rewrite_commutative_reductions_out_of_ssa): New.
        (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
        * sese.h (split_region_for_bb): New.

        * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
        * gcc.dg/graphite/interchange-1.c: Fix format.
        * gcc.dg/graphite/interchange-10.c: New.

2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
        buggy assert.

2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (scev_analyzable_p): New.
        (rewrite_cross_bb_scalar_dependence): New.
        (rewrite_cross_bb_scalar_deps): New.
        (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
        Call rewrite_cross_bb_scalar_deps.

2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
        (insert_out_of_ssa_copy): Directly use gsi_after_labels and
        gsi_for_stmt.

2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
        * graphite-interchange.c (pbb_do_interchange): Same.
        * graphite-poly.c (print_scattering_function): Same.
        (debug_pdrs): Same.
        * graphite-poly.h (pbb_loop): New.
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.

2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.

2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
        so don't pass a pointer to it.
        (build_alias_set_for_drs): Same.
        (build_base_obj_set_for_drs): Same.
        (build_scop_drs): Same.

2009-09-26  Li Feng  <nemokingdom@gmail.com>

        * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
        the alias graph of data references.

2009-09-25  Li Feng  <nemokingdom@gmail.com>

        * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
        (build_scop_drs): When debugging, write the alias graph to file,
        otherwise, should be disabled.

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (151310:151361).

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (151171:151310).

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (151171:151806).

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * Revert the last commit.

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (151171:151819).

2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
        (is_simple_operand): Remove call to stmt_simple_memref_p.
        (stmt_simple_for_scop_p): Update call to is_simple_operand.

2009-09-17  David Edelsohn  <edelsohn@gnu.org>

        * gcc.dg/graphite/interchange-mvt.c: New File.
        * gcc.dg/graphite/scop-dsyrk.c: New File.
        * gcc.dg/graphite/scop-dsyr2k.c: New File.
        * gcc.dg/graphite/scop-mvt.c: New File.
        * gcc.dg/graphite/scop-sor.c: New File.

2009-09-17 Li Feng  <nemokingdom@gmail.com>

        * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
        (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
        (graphite_carried_dependence_level_k): Ditto.
        * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
        * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
        (new_poly_dr): Adjust declaration.
        * graphite-sese-to-poly.c (free_data_refs_aux): New.
        (free_gimple_bb): Added free_data_refs_aux.
        (build_poly_dr): Add dr_base_object_set.
        (partition_drs_to_sets): New.
        (dr_same_base_object_p): New.
        (build_alias_set_for_drs): New.
        (build_base_object_set_for_drs): New.
        (build_scop_drs): Add build_base_obj_set_for_drs.
        * graphite-sese-to-poly.h: Added #define for alias set number index and
        base object set index.
        * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
        * libgomp/testsuite/libgomp.graphite/pr4118.c: New.

2009-09-16  Alexander Monakov  <amonakov@ispras.ru>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.

2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (struct irp_data): Removed.
        (idx_record_params): Removed.
        (find_params_in_bb): Scan for parameters the access functions; don't
        parse the tree representation.

2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
        passes at -O1 and below.

2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
        tree-scalar-evolution.h, and then tree-data-ref.h.
        * graphite-clast-to-gimple.c: Same.
        * graphite-dependences.c: Same.
        * graphite-interchange.c: Same.
        * graphite-poly.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.
        * lambda-code.c: Same.
        * matrix-reorg.c: Same.
        * tree-data-ref.c: Same.
        * tree-if-conv.c: Same.
        * tree-loop-distribu: Same.: Same.
        * tree-loop-linear.c: Same.
        * tree-parloops.c: Same.
        * tree-predcom.c: Same.
        * tree-vect-patterns.c: Same.

2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>

        Partially revert the previous patch, except the following.
        * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
        as parameters the operands of the not expression.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_assign): New.
        Do not call analyze_scalar_evolution on assignments.
        (instantiate_scev_phi): Call analyze_scalar_evolution.
        (instantiate_scev_name): Call instantiate_scev_assign and
        instantiate_scev_phi.
        (instantiate_scev_not): Adapted to pass as parameters the operands
        of the not expression.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
        to pass as parameters the operands of the binary expression.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
        instantiate_scev_not.  Handle NEGATE_EXPR.
        (instantiate_scev_r): Handle NEGATE_EXPR.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_1): Renamed
        instantiate_scev_r.
        (instantiate_scev_r): Move code in instantiate_scev_2
        and instantiate_scev_1.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_3): New.
        (instantiate_scev_1): Move code in instantiate_scev_3.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_poly): New.
        (instantiate_scev_1): Move code in instantiate_scev_poly.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
        (instantiate_scev_1): Move code in instantiate_scev_bitnot.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_convert): New.
        (instantiate_scev_1): Move code in instantiate_scev_convert.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_binary): New.
        (instantiate_scev_1): Move code in instantiate_scev_binary.

2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_name): New.
        (instantiate_scev_1): Move code in instantiate_scev_name.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (150992:151171).

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * opts.c (decode_options): Enable flag_loop_interchange at -O2.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_bb): Call
        pbb_remove_duplicate_pdrs.
        * graphite-poly.c (can_collapse_pdr): Removed.
        (pdr_find_duplicate): Removed.
        (can_collapse_pdrs): New.
        (pbb_remove_duplicate_pdrs): New.
        (new_poly_dr): Do not look for duplicates.
        * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
        (PBB_PDR_DUPLICATES_REMOVED): New.
        (pbb_remove_duplicate_pdrs): Declared.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
        the strides by multiplying by PDR_NB_REFS.
        * graphite-poly.c (can_collapse_pdr): New.
        (pdr_find_duplicate): New.
        (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
        Initialize PDR_NB_REFS.
        * graphite-poly.h (struct poly_dr): Add field nb_refs.
        (PDR_NB_REFS): New.
        (new_poly_dr): Number of subscripts is a graphite_dim_t.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        Revert one of the previous commits:
        * graphite-dependences.c (graphite_legal_transform_bb): Avoid
        the computation of symmetric data dependence relations.
        (dependency_between_pbbs_p): Same.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40965
        * graphite-poly.c (apply_poly_transforms): Remove legality test before
        any transform.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_original_scattering): Return NULL
        for read-read dependence relations.
        * graphite-poly.h (enum poly_dr_type): Fix comment.
        (pdr_read_p): New.
        (pdr_write_p): New.
        (pdr_may_write_p): New.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
        (struct poly_dr): Same.
        (new_poly_dr): Same.
        * graphite-poly.c (new_poly_dr): Same.

2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
        pbb_strip_mine_time_depth.  Changed the implementation so that
        transformation is expressed as a transformation on
        time (scatttering) dimensions.  Also, ensures that the 2d+1
        scheduling format is preserved.
        (pbb_strip_mine_profitable_p): Profitability is based on the
        iteration number of a given time (scattering) dimension,
        and not on a original loop depth dimension.
        (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
        (pbb_do_strip_mine): Call psct_dynamic_dim.
        * graphite-poly.c (pbb_number_of_iterations_at_time): New.
        * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
        (pbb_nb_dynamic_scattering_transform): New.
        (psct_dynamic_dim): New.

2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>

        * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
        * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
        * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
        * graphite-interchange.c (build_linearized_memory_access): Same.
        (memory_stride_in_loop): Same.

2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_original_scattering): New.
        (graphite_legal_transform_dr): Call pddr_original_scattering.
        (dot_deps_1): New.
        (dot_deps): New.
        * graphite-dependences.h (dot_deps): Declared.
        * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
        (print_pdr): Print PDR_ID.
        * graphite-poly.h (struct poly_dr): Add field id.
        (PDR_ID): New.
        (pbb_index): New.
        * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.

2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_carried_dependence_level_k): Do
        not delete the original dependence relation.

2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_bb): Avoid
        the computation of symmetric data dependence relations.
        (dependency_between_pbbs_p): Same.

2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
        (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
        (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
        (free_poly_ddr): New.
        (pddr_is_empty): New.
        (dependence_polyhedron_1): Now returns a poly_ddr_p.
        (dependence_polyhedron): Same.  Remove useless gcc_assert.
        Remove fprintfs.
        (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
        (graphite_carried_dependence_level_k): Call pddr_is_empty.
        * graphite-dependences.h (enum poly_dependence_kind): New.
        (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
        (PDRP_SOURCE): Renamed PDDR_SOURCE.
        (PDRP_SINK): Renamed PDDR_SINK.
        (PDRP_DDP): Renamed PDDR_DDP.
        (PDDR_KIND): New.
        (free_poly_ddr): Declared.
        * graphite-poly.c (new_scop): Use the new hash function names.
        * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
        into original_pddrs.
        (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.

2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (150764:150992).

2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
        bounds with LT_EXPR to make niter analysis more precise on code
        generated by Graphite.

2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
        (graphite_legal_transform_bb): Same.
        (poly_drs_may_alias_p): Same.

2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40981
        * graphite-ppl.c (ppl_max_for_le): Correct the use of
        ppl_Pointset_Powerset_C_Polyhedron_maximize.

2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb): Print PBB index.

2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r150672:150764).

2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (ppl_max_for_le): Moved...
        * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
        * graphite-ppl.c (ppl_max_for_le): ... here.
        * graphite-ppl.h (ppl_max_for_le): Declared.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r150372:150672).

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40980
        * sese.c (convert_for_phi_arg): New.
        (add_guard_exit_phis): Use convert_for_phi_arg.

        * gfortran.dg/graphite/id-17.f: New.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
        unknown subscript upper bounds.

        * gcc.dg/graphite/interchange-6.c: Un-XFAIL.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
            Pranav Garg  <pranav.garg2107@gmail.com>

        * graphite-interchange.c (gather_access_strides): Removed.
        (ppl_max_for_le): New.
        (build_linearized_memory_access): New.
        (memory_stride_in_loop): New.
        (pbb_interchange_profitable_p): Reimplemented.
        * graphite-ppl.h (ppl_new_id_map): New.
        (ppl_interchange): New.

        * gcc.dg/graphite/interchange-6.c: XFAILed.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_subscript): Removed.
        (compute_array_size_cstr): Removed.
        (compute_array_size_poly): Removed.
        (compute_array_size): Removed.
        (gather_access_strides_poly): Removed.
        (gather_access_strides): Empty.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron_1): Replace
        pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
        Initialize PDR_NB_SUBSCRIPTS.
        (print_pdr_access_layout): Replace pdr_nb_subscripts with
        PDR_NB_SUBSCRIPTS.
        * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
        (PDR_NB_SUBSCRIPTS): New.
        (pdr_nb_subscripts): Removed.
        (pdr_dim): Simplified.
        * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
        with PDR_NB_SUBSCRIPTS.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_array_size): Remove use of
        PDR_DATA_CONTAINER.
        * graphite-poly.c (new_poly_dr): Remove argument data_container.
        Do not initialize PDR_DATA_CONTAINER.
        (print_pdr): Do not print PDR_DATA_CONTAINER.
        * graphite-poly.h (struct poly_dr): Remove data_container field.
        (PDR_DATA_CONTAINER): Removed.
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
        PDR_DATA_CONTAINER.
        (build_poly_dr): Same.

2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-9.c: New.

2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_dr): Work on a
        copy of the dependence polyhedron.  Free the temporary objects.
        (graphite_carried_dependence_level_k): Free unused objects before
        returning.

        * gcc.dg/graphite/interchange-1.c: XFAILed.
        * gcc.dg/graphite/interchange-2.c: XFAILed.
        * gcc.dg/graphite/interchange-3.c: XFAILed.
        * gcc.dg/graphite/interchange-4.c: XFAILed.
        * gcc.dg/graphite/interchange-7.c: XFAILed.

2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
        Early return without analyzing the data dependences if no
        transform has been done.  Call restore_scattering if the transform
        is not legal.
        (graphite-interchange.c): Same.
        * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
        (graphite_read_transforms): Initialize PBB_TRANSFORMED.
        (apply_poly_transforms): Do not gcc_assert that
        the transform is legal.
        (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
        Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
        PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
        (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
        * graphite-poly.h (struct poly_scattering): New.
        (struct poly_bb): Add original, transformed, and saved fields.
        Remove transformed_scattering, original_scattering, nb_local_variables,
        and nb_scattering_transform fields.
        (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
        (poly_scattering_new): New.
        (poly_scattering_free): New.
        (poly_scattering_copy): New.
        (store_scattering_pbb): New.
        (store_scattering): New.
        (restore_scattering_pbb): New.
        (restore_scattering): New.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
        Initialize PBB_TRANSFORMED and PBB_ORIGINAL.

2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
        (print_scop): Same.

2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (graphite.o): Depends on PREDICT_H.
        * graphite.c: Include predict.h.
        (graphite_finalize): Call tree_estimate_probability.
        * predict.c (predict_loops): Do not call scev_initialize and
        scev_finalize.
        (tree_estimate_probability_bb): New.
        (tree_estimate_probability): Do not initialize loops: move that
        code to the driver.  Call tree_estimate_probability_bb.
        (tree_estimate_probability_driver): New.
        (pass_profile): Use tree_estimate_probability_driver.
        * predict.h (tree_estimate_probability): Declared.

2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
        * graphite-dependences.c (graphite_legal_transform): Add time to
        TV_GRAPHITE_DATA_DEPS.
        (dependency_between_pbbs_p): Same.
        * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.

2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r149952:150372).

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
        * graphite-blocking.c: Same.
        * graphite-clast-to-gimple.c: Same.
        * graphite-dependences.c: Same.
        * graphite-poly.c: Same.
        * graphite-poly.h: Same.
        * graphite-ppl.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c: Same.
        * graphite.c: Same.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
        (remove_simple_copy_phi): New.
        (remove_invariant_phi): New.
        (simple_copy_phi_p): New.
        (reduction_phi_p): New.
        (gsi_for_ssa_name_def): New.
        (insert_out_of_ssa_copy): New.
        (insert_out_of_ssa_copy_on_edge): New.
        (create_zero_dim_array): New.
        (scalar_close_phi_node_p): New.
        (rewrite_close_phi_out_of_ssa): New.
        (rewrite_phi_out_of_ssa): New.
        (rewrite_reductions_out_of_ssa): New.
        (build_poly_scop): Call rewrite_reductions_out_of_ssa.

        * gcc.dg/graphite/id-11.c: New.
        * gcc.dg/graphite/id-15.c: New.
        * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
        * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
        * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
        * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
        * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
        * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
        * gfortran.dg/graphite/id-13.f: New.
        * gfortran.dg/graphite/id-5.f: New.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
        check that nb_reductions_in_loop is zero.
        * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
        reduction phi nodes.
        (nb_reductions_in_loop): Removed.
        (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
        * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
        (bb_contains_non_iv_scalar_phi_nodes): Removed.
        (scop_contains_non_iv_scalar_phi_nodes): Removed.
        (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
        statements that have an empty iteration domain.
        * gfortran.dg/graphite/id-16.f: New.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_1): Return
        chrec_dont_know when the result is not above instantiate_below.
        * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
        the tree has a known scalar evolution.
        * gfortran.dg/graphite/id-14.f: New.
        * gfortran.dg/graphite/id-15.f: New.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_variables_in_stmt): Pass in an extra parameter
        insert_gsi.
        (rename_variables): Keep inserting renames after the ones already
        inserted.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (compare_bb_depths): New.
        (graphite_sort_dominated_info): New.
        (build_scop_bbs_1): Call graphite_sort_dominated_info.
        (build_scop_scattering): Fix comment.

2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_finalize): Call print_loops instead of
        dump_function_to_file.
        * gcc.dg/graphite/graphite.exp: Fix formatting.
        * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
        loops generated in the graphite output file.
        * gcc.dg/graphite/pr35356-2.c: New.
        * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
        * gfortran.dg/graphite/id-12.f: New.

2009-07-24  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
        Remove 2 XFAIL.

2009-07-24  Li Feng  <nemokingdom@gmail.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
        alias set number build alias in ACCESSES polyhedron.
        (build_alias_set_for_drs): New.
        (build_pbb_drs): Added build_alias_set_for_drs.
        * graphite-dependences.c (poly_drs_may_alias_p): New.
        (graphite_carried_dependence_level_k): Check alias information
        before building polyhedron.

2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (lambda-code.o): Fix formatting.

2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Merge from mainline (r149350-149952)

2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (apply_poly_transforms): Move strip_mine
        before interchange to prepare for loop blocking.

2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (apply_poly_transforms): Add checks after every
        transformation.
        * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
        done in apply_poly_transforms.

2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>

        * graphite-dependences.c (build_lexicographically_gt_constraint):
        Replace RES parameter with *RES.
        (dependence_polyhedron_1): Pass an address of the parameter RES
        instead of value of RES.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_finalize): Fix comment.
        (graphite_transform_loops): Reset scev info after code generation
        of each scop.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_finalize): Call scev_reset.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
        GBB_CLOOG_IV_TYPES hash table twice.
        * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
        (add_condition_to_domain): Clear GMP values.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: Fix formatting.
        * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
        (pbb_number_of_iterations): Free ppl_Linear_Expression.
        * graphite-sese-to-poly.c: Fix formatting.
        * graphite.c (graphite_transform_loops): Create the hash table
        after the early return.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/id-14.c: New.
        * gcc.dg/graphite/pr40157.c: New.
        * gfortran.dg/graphite/id-11.f: New.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
        (build_poly_scop): Return false when there are no pbbs within
        loops to avoid to pass to cloog scops with no loops.

2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
        useless test "i % 2".
        (build_pbb_scattering_polyhedrons): Fix formatting.
        (build_poly_dr): Same.
        * graphite.c (graphite_transform_loops): Restructure.

2009-07-14  Razya Ladelsky  <razya@il.ibm.com>

        * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
        reduction_list parameter.
        (rewrite_all_phi_nodes_with_iv): Same.
        (canonicalize_loop_ivs): Same.
        * tree-parloops.c (struct brli): Removed.
        (build_reduction_list_info): Removed.
        (build_new_reduction): New.
        (analyze_reduction_list): Removed.
        (gather_scalar_reductions): Find reductions instead of phi
        nodes that can't be canonicalized.
        (try_create_reduction_list): Remove reduction_list parameter.
        (gen_parallel_loop): Same.
        (parallelize_loops): Remove analyze_reductions variable,
        initialization and free.
        Change reduction_list htab initialization to reduction_info
        elements instead of ssa names.
        Call try_create_reduction_list and gen_parallel_loop without
        analyzed_reduction argument.
        * graphite-clast-to-gimple (graphite_loop_normal_form): Call
        canonicalize_loop_ivs with one less argument.
        * tree-flow.h (canonicalize_loop_ivs): Remove one argument.

2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>

        * graphite-dependences.c (new_poly_dr_pair): New.
        (dependence_polyhedron): Renamed into dependence_polyhedron_1.
        (new_poly_dr_pair): New.
        (eq_poly_dr_pair_p): New.
        (hash_poly_dr_pair_p): New.
        * graphite-dependences.h (struct poly_dr_pair): New.
        (eq_poly_dr_pair_p): Declared.
        (hash_poly_dr_pair_p): Declared.
        * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
        (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
        * graphite-poly.h (struct scop): Add original_pdr_pairs field.
        * Makefile.in (graphite-poly.o): Add dependence on
        graphite-dependences.h.

2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
        polynomials of degree > 1 pass to Graphite.
        * tree-chrec.c (scev_is_linear_expression): Call
        evolution_function_is_affine_multivariate_p.
        * gfortran.dg/graphite/id-10.f90: New.

2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
        Instantiate scevs varying in outer loops.
        * gfortran.dg/graphite/id-9.f: Correct testcase.

2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
        redundant constraint.

2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/graphite.exp: Fix comments.
        * gfortran.dg/graphite/graphite.exp: Trigger actions
        based on the file names as in the C testsuite.
        * gfortran.dg/graphite/block-1.f90: Fix patterns.
        * gfortran.dg/graphite/block-2.f: Same.
        * gfortran.dg/graphite/block-3.f90: Same.
        * gfortran.dg/graphite/block-4.f90: Same.
        * gfortran.dg/graphite/id-1.f90: Same.
        * gfortran.dg/graphite/id-2.f90: Same.
        * gfortran.dg/graphite/id-3.f90: Same.
        * gfortran.dg/graphite/id-4.f90: Same.
        * gfortran.dg/graphite/id-6.f: Same.
        * gfortran.dg/graphite/id-9.f: Same.
        * gfortran.dg/graphite/interchange-1.f: Same.
        * gfortran.dg/graphite/interchange-2.f: Same.
        * gfortran.dg/graphite/scop-1.f: Same.

2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_call): New.
        (expand_scalar_variables_ssa_name): Handle calls in expander.

2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
        Expect to see the pattern twice.
        * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
        * gcc.dg/graphite/interchange-5.c: Same.
        * gcc.dg/graphite/interchange-6.c: Same.

2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/id-10.c: New.
        * gcc.dg/graphite/id-12.c: New.
        * gfortran.dg/graphite/id-7.f: New.
        * gfortran.dg/graphite/id-8.f: New.

2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
        zero.

2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.

2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.

2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
        building PDR subscripts.

2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
        computation of array sizes.

2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Disabled.

2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
        build_pairwise_constraint, dr_equality_constraints,
        build_pairwise_scheduling_equality,
        build_pairwise_scheduling_inequality, lexicographically_gt_p,
        build_lexicographically_gt_constraint, dependence_polyhedron,
        graphite_legal_transform_dr, graphite_carried_dependence_level_k):
        Move from NNC_Polyhedron to C_Polyhedron.
        * graphite-interchange.c (compute_array_size_poly,
        gather_access_strides): Dito.
        * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
        free_scop, pbb_number_of_iterations): Dito.
        * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
        pbb_dim_iter_domain, struct scop): Dito.
        * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
        new_Cloog_Domain_from_ppl_Polyhedron,
        new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
        ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
        ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
        ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
        debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
        * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
        new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
        debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
        build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
        add_condition_to_domain, add_condition_to_pbb, build_scop_context,
        build_scop_iteration_domain, build_poly_dr): Dito

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/graphite.exp: Added a rule to execute
        run-id-*.c files.
        * gcc.dg/graphite/run-id-1.c: New.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
        positivity constraint on the symbolic number of iterations.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (build_scop_context): Removed.
        (build_cloog_prog): Directly use SCOP_CONTEXT.
        * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
        (free_scop): Free SCOP_CONTEXT.
        (print_scop_context): New.
        (print_scop): Call print_scop_context.
        (debug_scop_context): New.
        * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
        (struct scop): Added field context.
        (SCOP_CONTEXT): New.
        * graphite-sese-to-poly.c (add_param_constraints): New.
        (build_scop_context): New.
        (build_poly_scop): Call build_scop_context.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
        * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
        (ppl_set_inhomogeneous, ppl_set_coef): Moved...
        * graphite-ppl.h: Include double-int.h and tree.h.
        (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
        (ppl_set_inhomogeneous, ppl_set_coef): ...here.
        (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
        (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
        POINTER_PLUS_EXPR for pointer types.
        (clast_to_gcc_expression): Same.

2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function): Early return when
        PBB_TRANSFORMED_SCATTERING is not initialized.
        (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.

2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (analyze_reduction_list): Remove unused variable
        to fix bootstrap.

2009-07-08  Razya Ladelsky  <razya@il.ibm.com>

        * tree-parloops.c (analyze_reduction_list): Change return
        value to void.
        (try_create_reduction_list): Move the call to
        analyze_reduction_list to the beginining.
        Call reduction_phi with analyzed_reductions as argument
        instead of reduction_list.

2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        *  Merge from mainline (r148296:149346)

2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (graphite_can_represent_init): New.
        (graphite_can_represent_scev): Call graphite_can_represent_init:
        check that the initial value does not contain multiplications of
        parameters.
        (stmt_has_simple_data_refs_p): New.
        (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
        (is_simple_operand): Fix formatting.
        * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.

2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/id-13.c: New.
        * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
        analyze_scalar_evolution, use scalar_evolution_in_region.
        (scan_tree_for_params_right_scev): Add extra assert.
        (parameter_index_in_region_1): Split from parameter_index_in_region.
        (idx_record_params): Use scalar_evolution_in_region.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        (build_loop_iteration_domains): Same.
        (create_linear_expr_from_tree): Same.
        * sese.c (scalar_evolution_in_region): New.
        * sese.h (scalar_evolution_in_region): Declared.
        (defined_in_sese_p): New.
        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
        static anymore.
        * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
        Declared.

2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
        TREE_DATA_REF_H also implies SCEV_H.

2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scop_params): New.
        (print_scop): Call print_scop_params.
        (debug_scop_params): New.
        * graphite-poly.h (print_scop_params, debug_scop_params): Declared.

2009-07-07  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.

2009-07-07  Li Feng  <nemokingdom@gmail.com>

        * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
        for dependency checking part.
        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
        tests for dependency checking.
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
        flag -fdump-tree-graphite-all for autopar testsuites.

2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
        * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
        canonicalize_loop_ivs): Moved...
        * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.

2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (try_create_reduction_list): Pass an extra
        argument analyzed_reductions.  Call analyze_reduction_list.
        (gen_parallel_loop): Do not call analyze_reduction_list.
        (parallelize_loops): Init and finalize analyzed_reductions.

2009-07-06  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
        Added flag -fno-loop-strip-mine for autopar testcase.

2009-07-04  Li Feng  <nemokingdom@gmail.com>

        * graphite-dependences.c (graphite_carried_dependence_level_k): Use
        transformed scattering dimension instead of unmatch orignal when
        calling dependence_polyhedron.

2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>

        * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.

2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_number_of_iterations): Check for returned
        value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.

2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
        (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
        * graphite-poly.c (pbb_number_of_iterations): New.
        * graphite-poly.h (pbb_number_of_iterations): Declared.
        (pbb_iterator_dim, pbb_parameter_dim): New.

2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
        last commit on type of lower and upper bound of loops.

2009-06-29  Li Feng  <nemokingdom@gmail.com>

        * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
        graphite-dependences.h.
        * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
        (mark_bb_with_pbb): New.
        (get_stmtfor_depth): New.
        (find_pbb_via_hash): New.
        (dependency_in_loop_p): New.
        (mark_loops_parallel): New.
        (free_aux_in_new_loops): New.
        (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
        bb with it's relevant pbb. Mark newly created loops.  Remove mark
        innermost loop parallel without checking.
        (gloog): Add parameter BB_PBB_MAPPING.
        * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
        (gloog): Change declaration.
        (mark_loop_parallel): Make extern.
        (free_aux_in_new_loops): Declare.
        (bb_pbb_map_hash): New.
        (eq_bb_pbb_map): New.
        * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
        auto parallelization when flag_graphite_force_parallel is set.
        (graphite_finalize): Added free_aux_in_new_loops.
        * tree-parloops.c (parallelize_loops): Only generate parallel code for
        the innermost loop that marked parallel.  Use
        flag_graphite_force_parallel instead of loop->can_be_parallel.
        (loop_parallel_p): Move inner most checking out of function.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
        type of lower and upper bound of loops signed long int.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
        expression outside the loop.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-8.c: New.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-0.c: XFailed.
        * gcc.dg/graphite/interchange-5.c: XFailed.
        * gcc.dg/graphite/interchange-6.c: XFailed.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_array_size_poly): The end of the
        recursion should return 1.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_array_size_cstr): Allow the
        subscript multiplier to be -1.
        (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
        * graphite-poly.c (new_poly_dr): Takes an extra argument for the
        data_container.  Initializes PDR_DATA_CONTAINER.
        (print_pdr_access_layout): New.
        (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
        * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
        data_container.
        (PDR_DATA_CONTAINER): New.
        (new_poly_dr): Update declaration.
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
        (build_poly_dr): Call pdr_add_data_dimensions.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (struct poly_dr): Fix comment.
        * graphite-sese-to-poly.c (pdr_add_alias_set): New.
        (pdr_add_memory_accesses): New.
        (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.

2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pdrs, debug_pdrs): New.
        (print_pbb): Add call to print_pdrs.
        * graphite-poly.h (print_pdrs, debug_pdrs): Declared.

2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
            Li Feng <nemokingdom@gmail.com>

        * graphite-dependences.c (graphite_carried_dependence_level_k): New.
        (dependency_between_pbbs_p): New.
        (lexicographically_gt_p): Assure !empty_p before polyhedron
        intersection assign.
        (build_lexicographically_gt_constraint): Correct lexicographically
        judging.
        * graphite-dependences.h: New.
        * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.

2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (print_clast_stmt): New.
        (gloog): Print to dump_file the generated clast.
        * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
        * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.

2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (extend_scattering): Increment
        PBB_NB_LOCAL_VARIABLES by the number of added dimensions.

2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_array_size_poly): Added exit of
        recursion condition.  Continue iterating even after the first equality.
        (compute_array_size): Same.

2009-06-24  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
        -fdump-tree-final_cleanup to -fdump-tree-optimized.
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_stmt): Expand scalar variables
        only when the use verifies is_gimple_reg.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
        Allocate scaldims after call to unify_scattering_dimensions.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
            Albert Cohen  <albert.cohen@inria.fr>

        * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
        variables for the strip mining.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
            Pranav Garg  <pranav.garg2107@gmail.com>

        * Makefile.in (OBJS-common): Added graphite-blocking.o.
        (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
        (graphite-blocking.o): New rule.
        (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
        * graphite-blocking.c: New.
        * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
        flag_loop_strip_mine.
        (psct_scattering_dim_for_loop_depth): New.
        * graphite-poly.h (scop_do_strip_mine): Declared.
        (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
        * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
        flag_loop_strip_mine.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (extend_scattering): Avoid initializing and freeing
        a GMP value and a PPL coefficient at each iteration of a loop.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron): Do not use
        pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
        pbb_nb_scattering_transform.
        (graphite_legal_transform_dr): Same.
        * graphite-poly.c (extend_scattering): Same.
        (unify_scattering_dimensions): Same.
        (print_scattering_function): Same.
        (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
        PBB_NB_LOCAL_VARIABLES.
        * graphite-poly.h (pbb_nb_scattering): Removed declaration.
        (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
        (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
        (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
        (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
        (pbb_nb_scattering_transform): New.
        (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
        (psco_scattering_dim): Add assert on parameters.
        (psct_scattering_dim): Same.
        (psct_scattering_dim_for_loop_depth): Declared.
        (psct_local_var_dim): New.
        (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
        (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
        correct layout, call pbb_nb_local_vars.
        (psct_add_local_variable, psct_add_scattering_dimension): New.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
        Initialize PBB_NB_SCATTERING_TRANSFORM.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
        (set_coef): Renamed ppl_set_coef.
        * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.

2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
        test a boolean against 1.
        * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
        a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
        (pbb_do_interchange): Returns true when a transform has been performed.
        (scop_do_interchange): Same.
        * graphite-poly.c (apply_poly_transforms): Use the return value of
        scop_do_interchange.
        * graphite-poly.h (scop_do_interchange): Update declaration.

2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
        after last use.
        * sese.c (sese_reset_aux_in_loops): New.
        * sese.h (sese_reset_aux_in_loops): New.

2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
        multiplier and multiply the constant by the multiplier.
        (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
        (build_poly_dr): Do not use the multiplier to define the subscript.

2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (new_poly_dr): Pass an extra argument for the
        compiler's data reference.  Initialize PDR_CDR.
        (print_pdr): Call dump_data_reference.
        * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
        Add compiler_dr field.
        (PDR_BB): Renamed PDR_PBB.
        (PDR_CDR): New.
        * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
        GCC's data reference representation.
        * tree-data-ref.c (debug_data_references, debug_data_reference): New.
        * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.

2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function): Also print the layout.
        * graphite-poly.h (pbb_nb_local_vars): New.

2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb_domain): Also print the layout names.

2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pdr, debug_pdr): New.
        * graphite-poly.h (print_pdr, debug_pdr): Declared.
        (PDR_BASE): Removed.

2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
        ltrans-{1..6,8}.c.

2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_subscript): Allow also -1 in the
        subscript identification column.
        (pbb_do_interchange): Print to dump_file that some loops "will be
        interchanged".  Rely on that chain of characters in the testcases.
        * gcc.dg/graphite/interchange-0.c: New.
        * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
        interchange-*.c files and compile them with -floop-interchange.

2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>

        * graphite-interchange.c (interchange_profitable_p): Renamed
        pbb_interchange_profitable_p.

2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>
            Pranav Garg  <pranav.garg2107@gmail.com>

        * graphite-interchange.c (interchange_profitable_p): Make static.
        (pbb_interchange_loop_depths, pbb_do_interchange,
        scop_do_interchange): New.
        * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
        for flag_loop_interchange.
        * graphite-poly.h (scop_do_interchange): Declared.
        * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
        flag_loop_interchange is used.

2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron): Update use of
        pbb_nb_scattering_dims.
        * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
        (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
        (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
        psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.

2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Cleanup foo.

2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r143684:148293).
        * Disabled libpcp until it gets fixed.

2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        * graphite-interchange.c: New.
        * Makefile.in (graphite-interchange.o): New.
        * graphite-poly.h (interchange_profitable_p): Declared.
        * graphite-ppl.h (value_max): New.

2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
        * graphite-poly.h: Fix some comments.
        (pdr_dim): New.
        (pdr_scop): New.

2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h
        (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
        (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
        (pdr_accessp_nb_params): Renamed pdr_nb_params.
        (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
        (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
        (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
        (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
        (pbb_nb_loops): Renamed pbb_dim_iter_domain.
        * graphite-clast-to-gimple.c: Same.
        * graphite-dependences.c: Same.
        * graphite-poly.c: Same.
        * graphite-sese-to-poly.c: Same.

2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
        expressions for an IV rename, as returned by clast_to_gcc_expression.
        (copy_renames): Rename new_name to expr.
        * sese.c (debug_rename_elt): Same.
        (get_rename): Same.
        (set_rename): Same.
        (sese_adjust_liveout_phis): Call force_gimple_operand before using
        the information from the rename map.
        (rename_variables_in_stmt): Same.
        (add_loop_exit_phis): Rename new_name to expr.
        (insert_loop_close_phis): Same.
        (add_guard_exit_phis): Same.  Call force_gimple_operand.
        * sese.h (struct rename_map_elt): Rename new_name to expr.
        (new_rename_map_elt): Same.

2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
        * sese.c (set_rename): Make it extern.
        * sese.h (set_rename): Declared.

2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (extend_scattering): Free values.
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
        Free iterators.
        (ppl_print_powerset_matrix): Same.
        * graphite-scop-detection.c (free_scops_1): New.
        (limit_scops): Call free_scops_1.
        * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
        (build_poly_dr): Free PPL coefficients.
        * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.

2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: New.
        * graphite-data-ref.c: Removed.
        * graphite-data-ref.h: Removed.
        * Makefile.in (graphite-data-ref.o): Removed.
        (graphite-dependences.o): Added.
        * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
        * graphite-poly.c: Same.
        Move the data dependence testing to graphite-dependences.c.

2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
        from graphite_cannot_represent_loop. Code refactored.
        (scopdet_basic_block_info): Call graphite_can_represent_loop.

2009-05-17  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
        Cover all the testcases (not only the filtered ones).

2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
        unnecessary check. Update comments. Move check for REAL_TYPE here.
        (harmful_stmt_in_bb): Remove checks for conditions. This is already
        done in (stmt_simple_for_scop_p).

2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_global_statistics): New.
        (print_graphite_scop_statistic): New.
        (print_graphite_statistics): New.
        (graphite_initialize, graphite_transform_loops): Print statistics.
        * graphite-scop-detection (build_scops): Print statistics.
        (print_graphite_scop_statistics): New.
        (print_graphite_statistics): New.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
        (debug_clast_name_index): Removed.
        (debug_clast_name_indexes_1): Removed.
        (debug_clast_name_indexes): Removed.
        (clast_name_index_elt_info): Removed.
        (eq_clast_name_indexes): Removed.
        (clast_name_to_index): Removed.
        (new_clast_name_index): Removed.
        (save_clast_name_index): Removed.
        (save_var_name): Moved...
        (init_sese_params_index): Removed.
        (clast_name_to_gcc): Remove use of name_tree.
        (initialize_cloog_names): Same.
        (gloog): Do not call init_sese_params_index.
        * graphite-sese-to-poly.c (save_var_name): ...here.
        (parameter_index_in_region): New.
        * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
        (parameter_index_in_region): Removed.
        (is_parameter): Remove use of name_tree.
        * sese.h (struct name_tree): Removed.
        (struct sese): Remove use of name_tree.  New field params_names.
        (SESE_PARAMS_NAMES): New.
        (SESE_PARAMS): Remove duplicate.
        (parameter_index_in_region): Removed.
        (sese_nb_params): Remove use of name_tree.
        (struct clast_name_index): New.
        (new_clast_name_index): New.
        (clast_name_to_index): New.
        (save_clast_name_index): New.
        (debug_clast_name_index): New.
        (debug_clast_name_indexes_1): New.
        (debug_clast_name_indexes): New.
        (clast_name_index_elt_info): New.
        (eq_clast_name_indexes): New.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
        pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
        (graphite_loop_normal_form): Do not pass region.  Do not
        initialize SESE_OLDIVS.
        (build_graphite_loop_normal_form): Update call to
        graphite_loop_normal_form.
        * sese.c (debug_oldivs): Removed.
        (new_sese): Do not initialize SESE_OLDIVS.
        (free_sese): Do not free SESE_OLDIVS.
        (oldiv_for_loop): Removed.
        * sese.h (struct sese): Remove old_ivs.
        (SESE_OLDIVS): Removed.
        (oldiv_for_loop): Removed.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
        remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
        replaced by a call to newivs_to_depth_to_newiv.
        (clast_to_gcc_expression): Pass newivs, remove ivstack.
        (clast_to_gcc_expression_red): Same.
        (gcc_type_for_clast_expr): Same.
        (gcc_type_for_clast_eq): Same.
        (graphite_translate_clast_equation): Same.
        (graphite_create_guard_cond_expr): Same.
        (graphite_create_new_guard): Same.
        (graphite_create_new_loop): Same.
        (build_iv_mapping): Same.
        (translate_clast): Same.
        (gloog): Same.
        (loop_iv_stack_patch_for_consts): Removed.  *
        sese.c (iv_stack_entry_is_constant): Removed.
        (iv_stack_entry_is_iv): Removed.
        (loop_iv_stack_push_iv): Removed.
        (loop_iv_stack_insert_constant): Removed.
        (loop_iv_stack_pop): Removed.
        (loop_iv_stack_get_iv): Removed.
        (loop_iv_stack_get_iv_from_name): Removed.
        (debug_loop_iv_stack): Removed.
        (free_loop_iv_stack): Removed.
        (loop_iv_stack_remove_constants): Removed.  *
        sese.h (iv_stack_entry_kind): Removed.
        (iv_stack_entry_data_union): Removed.
        (iv_stack_entry_struct): Removed.
        (iv_stack_entry_p): Removed.
        (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
        loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
        loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
        loop_iv_stack_pop, free_loop_iv_stack): Removed.
        (gbb_loop_at_index): Fix indenting.
        (gbb_loop_index): Removed.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
        Call clast_name_to_index.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
        do not pass params.  Get params from SESE_PARAMS.
        (clast_to_gcc_expression): Same.
        (clast_to_gcc_expression_red): Same.
        (gcc_type_for_clast_eq): Same.
        (graphite_translate_clast_equation): Same.
        (graphite_create_new_loop): Same.
        * sese.c (rename_variables_in_stmt): Fix comment.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
        newivs_index.
        Call save_clast_name_index.
        (translate_clast): Pass newivs_index.
        (gloog): Create and free newivs_index.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (clast_name_index): New structure.
        (clast_name_index_p): New type.
        (debug_clast_name_index): New.
        (debug_clast_name_indexes_1): New.
        (debug_clast_name_indexes): New.
        (clast_name_index_elt_info): New.
        (eq_clast_name_indexes): New.
        (clast_name_to_index): New.
        (new_clast_name_index): New.
        (save_clast_name_index): New.
        (init_sese_params_index): New.
        (gloog): Call init_sese_params_index.
        * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
        * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
        (free_sese): Free SESE_PARAMS_INDEX.
        * sese.h (struct sese): Add params_index.
        (SESE_PARAMS_INDEX): New.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
        (graphite_create_new_loop): Pass the newivs vector.  Push the
        newly created IV to newivs.
        (translate_clast): Pass the newivs vector.
        (gloog): Create and destroy the newivs vector.

2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
        (graphite_loop_normal_form): Initialize loop->aux with the unique
        IV that has been created.

2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>

        * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
        scev with parameters in the base part. They where forbidden
        exidently.

2009-05-11  Li Feng  <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite.exp: Set different default
        compile options by file names.
        * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
        * gcc.dg/graphite/id-{1-9}.c: Ditto.
        * gcc.dg/graphite/scop-{0-20}.c: Ditto.
        * gcc.dg/graphite/scop-matmult.c: Ditto.

2009-05-08  Li Feng <nemokingdom@gmail.com>

        * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
        * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.

2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection (build_scops_1): Fix little bug introduced
        by final cleanup.

2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_scev): Only
        allow integer constant strides.
        (graphite_can_represent_expr): Depend on outermost_loop.
        (stmt_simple_memref_p, graphite_cannot_represent_loop,
        harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
        build_scops_1): Same.
        (scopdet_basic_block_info): Same and insert layered SCoP
        detection.
        (try_generate_gimple_bb): Cleanup.
        (build_scops): Enable data references.

        * gcc.dg/graphite/id-5.c: New.
        * gcc.dg/graphite/id-9.c: New.
        * tree-chrec.c (evolution_function_right_is_integer_cst): New.
        * tree-chrec.h (evolution_function_right_is_integer_cst): New.

2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
        that we have not yet built for this SCoP.

2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
        for complex numbers.

2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-ppl.c: Fix build if cloog is not available.

2009-05-04  Li Feng  <nemokingdom@gmail.com>

        * tree-parloops.c (loop_parallel_p): Remove construction of
        NITER and REDUCTION_LIST.
        (try_get_loop_niter): New.
        (try_create_reduction_list): New.
        (parallelize_loops): Bypass the failed checkings in autopar
        when can_be_parallel in loop structure is set to true.

2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/id-6.c: Update testcase.
        * gcc.dg/graphite/scop-3.c: Dito.

2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (stmt_simple_for_scop_p):
        Enable EQ_EXPR and NE_EXPR again.

2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_scev):
        Add check if scev is affine multivariate.
        (harmful_stmt_in_bb): Check if we can represent the conditions.
        (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
        harmful_stmt_in_bb.
        * gcc.dg/graphite/id-7.c: New.

2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
        Check all bbs in region, not only the bbs that are represented in
        GRAPHITE.
        (build_poly_scop): Add newline.
        * gcc.dg/graphite/id-8.c: New.

2009-04-30  Li Feng  <nemokingdom@gmail.com>

        * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
        when loop initialize.
        * cfgloop.h (struct loop): Introduce flag can_be_parallel.
        * common.opt: Declare flag_graphite_force_parallel.
        * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
        loop parallel.
        * graphite-poly.c (apply_poly_transforms): Introduce
        flag_graphite_force_parallel.
        * tree-ssa-loop.c (gate_graphite_transforms): ditto.
        * toplev.c (process_options): ditto and replace a not correctly
        encoded space.

2009-04-30  Li Feng  <nemokingdom@gmail.com>

        * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
        Change the call of gbb_loop_at_index and/or gbb_loop_index due
        to the redefinition.
        (compute_cloog_iv_types_1): ditto.
        (build_iv_mapping): ditto.
        * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
        initialization.
        (free_gimple_bb): Removed GBB_LOOPS related free part.
        (build_bb_loops): Removed.
        * sese.h (struct gimple_bb): Removed loops.
        (GBB_LOOPS): Removed.
        (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
        (gbb_loop_index): ditto.

2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_scev): Do not
        allow non constant strides.
        * gcc.dg/graphite/scop-20.c: New.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (dot_all_scops): Fix system call
        return value warning.
        (dot_scop): Same.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/id-6.c: Fix pattern.
        * gcc.dg/graphite/scop-3.c: Same.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
        build_pairwise_constraint, dr_equality_constraints,
        build_pairwise_scheduling_equality,
        build_pairwise_scheduling_inequality, lexicographically_gt_p,
        build_lexicographically_gt_constraint, dependence_polyhedron,
        graphite_legal_transform_dr, graphite_legal_transform_bb,
        graphite_legal_transform): New.
        * graphite-poly.h (graphite_legal_transform): Declared.
        * graphite-sese-to-poly.c (build_poly_scop): Call to
        graphite_legal_transform is disabled for the moment.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (pbb_nb_scattering_dims): New.
        (pbb_nb_scattering): Use it.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
        Pointset_Powerset version of ppl_insert_dimensions.
        * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h: Fix comment.

2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.

2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * sese.c (expand_scalar_variables_stmt): Only iterate over the old
        statements.

2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
        (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
        conditions.

2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
        handle EQ_EXPR and NE_EXPR.

2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.h (poly_dr): Fix comment.

2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
        with a zero dimension polyhedron.
        (find_scop_parameters): Move the call to scop_set_nb_params here.
        (build_loop_iteration_domains): Store in loop->aux the iteration
        domain polyhedron.
        (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
        by any loop in scop.
        (build_poly_scop): Do not call scop_set_nb_params.

2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
        add_condition_to_domain not GT_EXPR.

2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-ppl.c (debug_ppl_powerset_matrix): New.
        * graphite-ppl.h (debug_ppl_powerset_matrix): New.
        * graphite-sese-to-poly.c (add_condition_to_pbb): Use
        upper_bound_assign to calculate unions.
        * gcc.dg/graphite/id-6.c: New.

2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
        handle abnormal edges.

2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (new_poly_dr, free_poly_dr): New.
        (free_poly_bb): Also free poly_drs.
        * graphite-poly.h (new_poly_dr, free_poly_dr): New.
        (poly_dr): Polyhedron to Pointset_Powerset.
        (pdr_accessp_nb_subscripts): Same.
        * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
        poly_drs.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
        names into more meaningful names.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * gfortran.dg/graphite/interchange-1.c: New.
        * gfortran.dg/graphite/interchange-2.c: New.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
        the reduction_list.
        * tree-parloops.c (rewrite_phi_with_iv): New.
        (rewrite_all_phi_nodes_with_iv): New.
        (canonicalize_loop_ivs): Call them.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
        graphite_find_data_references_in_stmt.
        * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
        instead of bb_in_region.
        (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
        (build_sese_conditions): Use flag_bb_in_sese.
        * sese.c (register_bb_in_sese): Removed.
        (new_sese): Remove initialization of SESE_REGION_BBS.
        (free_sese): Do not free SESE_REGION_BBS.
        * sese.h (struct sese): Remove field region_basic_blocks.
        (SESE_REGION_BBS): Removed.
        (bb_in_sese_p): Implement in function of bb_in_region.

2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (limit_scops): Deal only with single exit
        loops.

2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
        and EQ_EXPR.
        * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
        (add_condition_to_domain): New.
        (add_condition_to_pbb): New.
        (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
        * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.

2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
        ppl_Pointset_Powerset.
        * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
        * graphite-poly.h (poly_bb): poly_bb.domain Same.
        (pbb_nb_loops): Same.
        * graphite-sese-to-poly.c (build_loop_iteration_domains,
        add_conditions_to_domain): Same.
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
        (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
        ppl_const_Polyhedron_t.
        (ppl_print_powerset_matrix): New.
        * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
        ppl_print_powerset_matrix): New.
        (ppl_print_polyhedron_matrix): Updated.

2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.

2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
        (print_iteration_domains, debug_iteration_domain,
        debug_iteration_domains): New.
        * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
        debug_iteration_domains): Declared.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
        indenting.

2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (print_iteration_domain): New.
        * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
        (build_sese_conditions_1, build_sese_conditions_after,
        build_sese_conditions_before): New.
        (build_sese_conditions): Rewritten.

2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        Cleanup of code generation liveouts.
        * graphite-clast-to-gimple.c (translate_clast): Use a single
        rename_map instead of one per translated statement.
        Do not use SESE_LIVEOUT_RENAMES.
        (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
        (gloog): Do not use SESE_LIVEOUT_RENAMES.
        * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
        phi node of a reduction: when a loop contains a reduction used outside
        the loop, there should be a scalar close phi node on the exit block.
        * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
        SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
        (free_sese): Do not free them.
        (sese_build_liveouts_use): Do not use them.
        (sese_build_liveouts_bb): Same.
        (sese_build_liveouts): Same.
        (sese_insert_phis_for_liveouts): Same.
        (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
        (defined_in_loop_p): New.
        (alive_after_loop): New.
        (close_phi_not_yet_inserted_p): New.
        (struct alep, alep_p): New.
        (add_loop_exit_phis): Remove from the rename_map all the names defined
        in the code generated loop.
        (insert_loop_close_phis): Traverse the rename_map passed to it.
        Don't use SESE_LIVEOUT_RENAMES.
        (default_liveout_before_guard): Renamed default_before_guard.
        (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
        (graphite_copy_stmts_from_block): Do not directly call set_rename.
        (register_sese_liveout_renames): Removed.
        (copy_bb_and_scalar_dependences): Do not call it.
        * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
        reduction_list.
        (SESE_LIVEOUT): Removed.
        (SESE_LIVEOUT_RENAMES): Removed.
        (SESE_REDUCTION_LIST): Removed.
        (sese_build_liveouts): Removed.
        (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
        (insert_loop_close_phis): Pass a htab_t instead of a sese.
        (insert_guard_phis): Same.
        (rename_map_elt): Declare a VEC of them.
        * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
        trees not pointers to trees.

        Rewrite in canonical close SSA form:
        * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
        (limit_scops): Close the scop after the block containing the close phi
        nodes.
        (canonicalize_loop_closed_ssa): New.
        (canonicalize_loop_closed_ssa_form): New.
        (build_scops): Call canonicalize_loop_closed_ssa_form.

        * graphite-sese-to-poly.c: Fix typos.

2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function, print_pbb_