[gcc.git] / gcc / ChangeLog.graphite

2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (max_signed_precision_type): Use
        lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
        When converting an unsigned type to signed, double its precision.
        (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
        (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
        (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.

2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (max_signed_precision_type): Use
        build_nonstandard_integer_type.
        (gcc_type_for_interval): Same.

2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
        POINTER_PLUS_EXPR for pointer types.

        * gcc.dg/graphite/id-19.c: New.

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

        PR middle-end/43519
        * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
        * graphite-clast-to-gimple.c: Include langhooks.h.
        (max_signed_precision_type): New.
        (max_precision_type): Takes two types as arguments.
        (precision_for_value): New.
        (precision_for_interval): New.
        (gcc_type_for_interval): New.
        (gcc_type_for_value): New.
        (gcc_type_for_clast_term): New.
        (gcc_type_for_clast_red): New.
        (gcc_type_for_clast_bin): New.
        (gcc_type_for_clast_expr): Split up into several functions.
        (gcc_type_for_clast_eq): Rewritten.
        (compute_bounds_for_level): New.
        (compute_type_for_level_1): New.
        (compute_type_for_level): New.
        (gcc_type_for_cloog_iv): Removed.
        (gcc_type_for_iv_of_clast_loop): Rewritten.
        (graphite_create_new_loop): Compute the lower and upper bound types
        with gcc_type_for_clast_expr.
        (graphite_create_new_loop_guard): Same.
        (find_cloog_iv_in_expr): Removed.
        (compute_cloog_iv_types_1): Removed.
        (compute_cloog_iv_types): Removed.
        (gloog): Do not call compute_cloog_iv_types.
        * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
        GBB_CLOOG_IV_TYPES.
        (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
        * sese.h (struct gimple_bb): Removed field cloog_iv_types.
        (GBB_CLOOG_IV_TYPES): Removed.

        * gcc.dg/graphite/run-id-pr42644.c: Call abort.

2010-04-02  Sebastian Pop  <sebastian.pop@amd.com>

        Reverted this commit: as at this point the loop closed SSA form
        is under a canonical form respecting the single argument condition.
        * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
        close phi nodes may have more than one argument.

2010-04-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
        gimple_phi_num_args of the loop close SSA phi node is equal to 1.
        (detect_commutative_reduction): Same.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (scalar_close_phi_node_p): Loop
        close phi nodes may have more than one argument.

2010-03-30  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43464
        * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
        with multiple arguments.
        (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.

2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call print_pdr with an
        extra argument.
        * graphite-poly.c (debug_pdr): Add an extra argument for the
        verbosity level.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.
        * graphite-poly.h (debug_pdr): Update declaration.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.

2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function_1): New.
        (print_scattering_function): Call it.
        (print_scop_params): Remove spaces at the end of lines.
        (print_cloog): New.
        (debug_cloog): New.
        * graphite-poly.h (print_cloog): Declared.
        (debug_cloog): Declared.

2010-03-23  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-copy.c: Revert this previous change:
        (init_copy_prop): Loop closed phi nodes cancontain more than one
        argument.
        (execute_copy_prop): Revert the previous change: do not call
        rewrite_into_loop_closed_ssa.

2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>
            Richard Guenther  <rguenther@suse.de>

        PR middle-end/43464
        * tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
        contain more than one argument.
        (execute_copy_prop): Revert the previous change: do not call
        rewrite_into_loop_closed_ssa.

        * gcc.dg/graphite/id-pr43464.c: Remove compile warning.
        * gcc.dg/graphite/id-pr43464-1.c: New.

2010-03-21  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43464
        * tree-ssa-copy.c (execute_copy_prop): Call rewrite_into_loop_closed_ssa
        and verify_loop_closed_ssa when copy prop is executed in the LNO.

        * gcc.dg/graphite/id-pr43464.c: New.

2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
        in loop->header.
        * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
        * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
        to switch between adding the IV bump in loop->latch or in loop->header.

2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (init_optimization_passes): Add pass_copy_prop
        after Graphite.

2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function): Pretty print following
        the scoplib format.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (dump_gbb_cases): Same.
        (dump_gbb_conditions): Same.
        (print_pdrs): Same.
        (print_pbb): Same.
        (print_scop_params): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_pbb_body): New.
        (lst_indent_to): New.
        (print_lst): Start new lines with a #.
        * graphite-poly.h (pbb_bb): New.
        (pbb_index): Use pbb_bb.
        * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
        disjuncts.
        * tree-data-ref.c (dump_data_reference): Start new lines with a #.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43351
        * gcc.dg/graphite/id-pr43351.c

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43354
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
        call insert_out_of_ssa_copy for default definitions.
        * gfortran.dg/graphite/id-pr43354.f: New.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43349
        * gfortran.dg/graphite/pr43349.f: New.

2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (my_long_long): Defined.
        (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
        * graphite-sese-to-poly.c (my_long_long): Defined.
        (scop_ivs_can_be_represented): Use it.

2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
        graphite-max-bbs-per-function, and loop-block-tile-size.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
        with "maximum".
        (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.

2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
        forward declaration.
        * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
        (add_upper_bounds_from_estimated_nit): New.
        (build_loop_iteration_domains): Use it.

2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.

2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43306
        * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
        should be an INTEGER_CST.  Also handle CASE_CONVERT.
        * gcc.dg/graphite/pr43306.c: New.

2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_initialize): To bound the number of bbs per
        function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
        * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
        * doc/invoke.texi: Document it.

2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
        * graphite-sese-to-poly.h (build_poly_scop): Same.

2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
        the number of parameters in the scop.  Use as an upper bound
        PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
        * doc/invoke.texi: Document it.

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

        * graphite-sese-to-poly.c (add_param_constraints): Use
        lower_bound_in_type and upper_bound_in_type.

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_domain):
        Extended.
        (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
        (print_pbb): Add conditions.

2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
        * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
        (build_scop_bbs_1): New.
        (build_scop_bbs): Rewrite.
        * sese.h (bb_in_region): New.

2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
        poly_drs vector.
        (print_scop): Style.
        * graphite-poly.h (poly_bb): Add drs vector.
        (PBB_DRS): Add accessor.
        * graphite-sese-to-poly.c (build_poly_dr): New.
        (build_pbb_drs, build_scop_drs): New.
        (build_poly_scop): call build_scop_drs (Disabled at the moment).

2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * tree-ssa-loop.c: Include forgotten toplev.h

2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
        * gcc.dg/graphite/pr37883.c: Remove -floop-*
        * gcc.dg/graphite/pr37928.c: Same
        * gcc.dg/graphite/pr38409.c: Same
        * gcc.dg/graphite/pr38498.c: Same
        * gcc.dg/graphite/pr38559.c: Same
        * gcc.dg/graphite/pr39335.c: Same
        * gcc.dg/graphite/pr39335_1.c: Same
        * gfortran.dg/graphite/block-2.f: Same
        * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
        with -floop-*.

2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
        build_access_matrix, build_scop_data_accesses): Remove access function
        building. (We get a new version soon).
        (build_bb_loops, scan_tree_for_params_right_scev): Update.
        * sese.h (nb_loops_around_loop_in_sese): Remove.
        (sese_loop_depth): Do not use SESE_LOOP_NEST any more.

2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (struct scopdet_info): Rename last
        field to exit.
        (scopdet_basic_block_info, build_scops_1): Don't use
        CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.

2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
        * sese.c (sese_build_liveouts_use): Renamed from
        sese_build_livein_liveouts_use. Remove liveins.
        (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
        Call sese_build_liveouts_use.
        (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
        Call sese_build_liveouts_bb.
        (new_sese, free_sese): Remove liveins.
        (sese_add_exit_phis_var): Deleted.
        (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
        directly.
        (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.

        * sese.h (sese): Remove num_ver and livein.
        (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.

2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.

2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
        (build_scop_scattering): Do not use compare_prefix_loops any more.
        (nb_common_loops): New.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (get_new_name_from_old_name): Renamed get_rename.
        (register_old_and_new_names): Renamed set_rename.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
        of the decl from the previous commit.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (dot_scop): New.
        * graphite-scop-detection.h (dot_scop): Declared.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
        condition at the end of the loop.
        * graphite.c (graphite_initialize, graphite_finalize): Print to
        dump_file the compiled function.
        * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
        of create_empty_loop_on_edge.
        (translate_clast): Update the code generation of loops for the new
        shape of loops.
        * cfgloop.h (create_empty_loop_on_edge): Update declaration.

2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>

        Reverted the patch from 2009-03-19.

2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
        poly_drs vector.
        (print_scop): Style.
        * graphite-poly.h (poly_bb): Add drs vector.
        (PBB_DRS): Add accessor.
        * graphite-sese-to-poly.c (ref_nb_loops): Remove.
        (build_access_matrix_with_af, build_access_matrix,
        build_scop_data_accesses): Delete.
        (build_poly_dr): New.
        (build_pbb_drs, build_scop_drs): New.
        (build_poly_scop): call build_scop_drs.

2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (dot_all_scops_1): Close the table
        once per basic block.

2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_scev): New.
        (graphite_can_represent_expr): Renamed from loop_affine_expr
        and enhanced.
        (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
        (graphite_cannot_represent_loop): Add scop_entry to parameters.
        (scopdet_basic_block_info): Actually define entry_block.
        (stmt_simple_memref_p): Moved here from ...

        * tree-data-ref.c (stmt_simple_memref_p): here.
        * tree-data-ref.h (stmt_simple_memref_p): Removed.

2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>

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

2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
        (register_old_and_new_names): Update the content of the map.
        When there was already a rename_map_elt in the map at that
        location, free it.
        (copy_bb_and_scalar_dependences): Do rename_variables after
        expand_scalar_variables.
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
        of the map.  When there was already a rename_map_elt in the
        map at that location, free it.
        (translate_clast): Pass the rename_map.  Do not initialize and free
        a rename_map per stmt_user.
        (gloog): Initialize and free one rename_map and pass it to
        translate_clast.

2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_stmt,
        expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
        parameter.
        (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
        (expand_scalar_variables): Pass to expand_scalar_variables_stmt
        the gimple_stmt_iterator of the statement to be expanded.
        * graphite-scop-detection.c (is_simple_operand): Do handle
        REALPART_EXPR.

2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (is_simple_operand): Do not handle
        REALPART_EXPR.
        * gcc.dg/graphite/id-2.c: New.

        * graphite-sese-to-poly.c (build_bb_loops,
        add_value_to_dim, scan_tree_for_params_right_scev,
        scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
        find_params_in_bb, build_loop_iteration_domains,
        add_conditions_to_domain): Remove subtract.

2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
        build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
        pbb_loop_at_index -> gbb_loop_at_index.
        * graphite-poly.c (new_poly_bb, new_scop): New accessors.
        (debug_loop_vec): Delete.
        * graphite-poly.h (poly_bb, scop): Change black_box and region to void
        pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
        (PBB_LOOPS): Removed.
        (PBB_BLACK_BOX): Insert cast.
        (pbb_set_black_box): New setter.
        (pbb_loop_at_index, pbb_loop_index): Removed.
        (scop_set_region, scop_set_nb_params): New.
        * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
        build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
        (build_poly_scop): Use scop_set_nb_params.
        * sese.h (gimple_bb): Add LOOPS.
        (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.

2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        Revert previous commit.

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

        * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
        (register_old_and_new_names): Update the content of the map.
        When there was already a rename_map_elt in the map at that
        location, free it.
        (copy_bb_and_scalar_dependences): Do rename_variables after
        expand_scalar_variables.
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
        of the map.  When there was already a rename_map_elt in the
        map at that location, free it.
        (translate_clast): Pass the rename_map.  Do not initialize and free
        a rename_map per stmt_user.
        (gloog): Initialize and free one rename_map and pass it to
        translate_clast.

2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        Remove forgotten line in revert.

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

        Revert previous commit.

2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (register_old_and_new_names): Update the content
        of the map.  When there was already a rename_map_elt in the
        map at that location, free it.
        (copy_bb_and_scalar_dependences): Do rename_variables after
        expand_scalar_variables.
        * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
        of the map.  When there was already a rename_map_elt in the
        map at that location, free it.
        (translate_clast): Pass the rename_map.  Do not initialize and free
        a rename_map per stmt_user.
        (gloog): Initialize and free one rename_map and pass it to
        translate_clast.

2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (translate_clast): context_loop
        is never NULL.

2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
        of the use of ppl_Polyhedron_map_space_dimensions.

2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (unify_scattering_dimensions): Fix types.
        * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
        PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
        pdr_accessp_nb_iterators, pdr_accessp_nb_params,
        pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
        pdr_accessp_iterator_dim, pdr_accessp_param_dim,
        pbb_nb_params): New.
        (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
        nb_loops_around_pbb): Adapt return types.

2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (graphite.o, graphite-sese-to-poly.o,
        graphite-clast-to-gimple.o,  graphite-data-ref.o,
        graphite-scop-detection.o, graphite-poly.o): Add
        more headers.

2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (graphite.o, graphite-sese-to-poly.o,
        graphite-clast-to-gimple.o,  graphite-data-ref.o,
        graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.

2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/pr37485.c: Remove -floop-block
        * gcc.dg/graphite/pr37828.c: Same.
        * gcc.dg/graphite/pr37684.c: Same.
        * gcc.dg/graphite/block-0.c: Same.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/block-2.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.
        * gfortran.dg/graphite/pr38083.f90: Same.
        * gfortran.dg/graphite/block-1.f90: Same.
        * gfortran.dg/graphite/block-3.f90: Same.
        * gfortran.dg/graphite/pr37852.f90: Same.
        * gfortran.dg/graphite/block-4.f90: Same.
        * gfortran.dg/graphite/pr37980.f90: Same.
        * gfortran.dg/graphite/pr38953.f90: Same.
        * gfortran.dg/graphite/pr37857.f90: Same.
        * opts.c: Remove -floop-block from -O2.
        * graphite-poly.c: Fail if -floop-block -floop-interchange or
        -floop-strip-mine are used.

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

        * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
        dimensions.
        * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
        graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
        strip_mine_profitable_p, is_interchange_valid,
        graphite_trans_bb_block, graphite_trans_loop_block,
        graphite_trans_scop_block): Temporary removed.
        (extend_scattering, unify_scattering_dimensions): New.
        (print_scattering_function, graphite_read_transforms):
        PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
        (graphite_generate_scattering_fns): Removed.
        (apply_poly_transforms): Cleanup.
        (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
        (schedule_to_scattering): Moved.
        (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
        (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
        (pbb_nb_scattering): New.
        (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
        SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
        Removed.
        * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
        shift_poly.
        (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
        * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
        -> PBB_TRANSFORMED_SCATTERING.
        * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
        (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
        (build_scop_scattering): Renamed from build_scop_canonical_schedules.
        (check_poly_representation): Do not return bool.
        (graphite_transform_loops): Reformat.
        * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.

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

        * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
        debug_pbb_domain, debug_pbb, debug_scop): New.
        * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
        debug_pbb_domain, debug_pbb, debug_scop): Declared.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39335
        * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
        when the type precision of the induction variable should be
        larger than the type precision of nit.
        (gen_parallel_loop): Update use of canonicalize_loop_ivs.
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
        * tree-flow.h (canonicalize_loop_ivs): Update declaration.

        * gcc.dg/graphite/pr39335_1.c: New.
        * gcc.dg/graphite/pr39335.c: New.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
        SSA_NAMES not struct reduction_info.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
        (free_sese): Free SESE_REDUCTION_LIST.
        * sese.h (struct sese): Add field reduction_list.
        (SESE_REDUCTION_LIST): New.
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
        canonicalize_loop_ivs on SESE_REDUCTION_LIST.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
        of loop_p.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * tree-parloops.c (struct brli, build_reduction_list_info,
        analyze_reduction_list, gather_scalar_reductions): New.
        (loop_parallel_p): Build a reduction list containing only
        PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
        (gen_parallel_loop): Call the analysis analyze_reduction_list.
        (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
        * tree-flow.h (gather_scalar_reductions): Declared.

2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39308
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
        number_of_iterations_exit from a gcc_assert.

2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * output.h (graphite_out_file, graphite_in_file): Declared.
        * toplev.c (graphite_out_file, graphite_in_file): New.
        (init_asm_output): Initialize graphite_in_file and graphite_out_file.
        * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
        Don't call schedule_to_scattering.
        * common.opt (fgraphite-write, fgraphite-read): New.
        * graphite-poly.c: Include output.h.
        (print_scattering_function, print_scattering_functions,
        debug_scattering_function, debug_scattering_functions,
        graphite_write_transforms, graphite_read_transforms,
        graphite_generate_scattering_fns): New.
        (apply_poly_transforms): Do not apply transform if flag_graphite_read.
        Call graphite_generate_scattering_fns, graphite_write_transforms,
        graphite_read_transforms.
        (new_poly_bb): Initialize PBB_SCATTERING.
        (free_poly_bb): Free PBB_SCATTERING.
        (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
        * graphite-poly.h (struct poly_bb): Add field scattering.
        (PBB_SCATTERING): New.
        (print_scattering_function, print_scattering_functions,
        debug_scattering_function, debug_scattering_functions): Declared.
        * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
        GMP values, not integers!
        (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
        ppl_read_polyhedron_matrix): New.
        * graphite-ppl.h (ppl_print_polyhedron_matrix,
        debug_ppl_polyhedron_matrix,
        ppl_read_polyhedron_matrix): Declared.
        * Makefile.in (graphite-poly.o): Depends on output.h.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        Revert this change:
        * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
        scalar evolutions in the scop_entry->loop_father.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.h (ref_nb_loops): Remove declaration.
        (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
        GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
        debug_gbb): Moved to sese.h.
        * sese.h: As said.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-data-ref.[ch]: Disable.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
        scalar evolutions in the scop_entry->loop_father.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
        (graphite_cannot_represent_loop_niter): Renamed
        graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
        (limit_scops): build_sese_loop_nests does not return a bool.
        * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
        * sese.c (nb_reductions_in_loop): ... from here.
        (graphite_loop_normal_form): ... from here.
        (sese_record_loop): Does not fail, so does not return a bool.
        (build_sese_loop_nests): Same.
        * sese.h (build_sese_loop_nests): Update declaration.
        * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
        (build_graphite_loop_normal_form): New.
        (gloog): Call build_graphite_loop_normal_form.
        * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
        build_sese_loop_nests.

        * gcc.dg/graphite/id-1.c: New.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
        The SCoP detection fix is sufficient.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/39260
        * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
        the basic block contains a condition with a real type.
        * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.

        * gcc.dg/graphite/pr39260.c: New.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c: Inlcude params.h.
        (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
        the size of a tile.
        * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
        * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.

2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (dot_all_scops_1,
        dot_all_scops): Moved here.
        * graphite-scop-detection.h (dot_all_scops): Declared here.
        * graphite.c (graphite_initialize, graphite_finalize): New.
        (graphite_transform_loops): Cleaned up.
        * sese.c (debug_oldivs): Moved here.
        * graphite-poly.c (graphite_apply_transformations): Renamed
        apply_poly_transforms.
        (debug_loop_vec): Moved here.
        * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
        scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
        find_scop_parameters, build_scop_iteration_domain,
        add_conditions_to_constraints, build_scop_canonical_schedules,
        build_scop_data_accesses): Now static.
        (build_poly_scop, check_poly_representation): New.

2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
        remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
        build_scop_bbs, ref_nb_loops, compare_prefix_loops,
        build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
        scan_tree_for_params_right_scev, scan_tree_for_params_int,
        scan_tree_for_params, struct irp_data, dx_record_params,
        find_params_in_bb, find_scop_parameters, gbb_from_bb,
        build_loop_iteration_domains, add_conditions_to_domain,
        phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
        scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
        build_sese_conditions, add_conditions_to_constraints,
        build_scop_iteration_domain, build_access_matrix_with_af,
        build_access_matrix,
        build_scop_data_accesses): Moved to graphite-sese-to-poly.c.

        * graphite-sese-to-poly.c: New.
        * graphite-sese-to-poly.h: New.

        * Makefile.in: Add new rule for graphite-sese-to-poly.o.

2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Split graphite code generation to a new file.
        (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
        max_precision_type, clast_to_gcc_expression_red,
        clast_to_gcc_expression, gcc_type_for_clast_expr,
        gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
        graphite_translate_clast_equation, graphite_create_guard_cond_expr,
        graphite_create_new_guard, clast_get_body_of_loop,
        gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
        graphite_create_new_loop, build_iv_mapping, copy_renames,
        translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
        compute_cloog_iv_types, free_scattering, save_var_name,
        initialize_cloog_names, build_scop_context, build_cloog_prog,
        set_cloog_options, debug_clast_stmt, scop_to_clast,
        print_generated_program, debug_generated_program,
        gloog): Moved to graphite-clast-to-gimple.c.

        (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.

        (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
        loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
        loop_iv_stack_pop, loop_iv_stack_get_iv,
        loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
        free_loop_iv_stack, loop_iv_stack_remove_constants,
        debug_rename_elt, debug_rename_map_1, debug_rename_map,
        rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
        debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
        eq_ivtype_map_elts, sese_add_exit_phis_edge,
        sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
        get_vdef_before_sese, sese_adjust_vphi,
        get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
        oldiv_for_loop, rename_variables_in_stmt, is_parameter,
        is_iv, expand_scalar_variables_ssa_name,
        expand_scalar_variables_expr, expand_scalar_variables_stmt,
        expand_scalar_variables, rename_variables, remove_condition,
        get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
        add_loop_exit_phis, insert_loop_close_phis, struct igp,
        default_liveout_before_guard, add_guard_exit_phis,
        insert_guard_phis, register_old_and_new_names,
        graphite_copy_stmts_from_block, register_sese_liveout_renames,
        copy_bb_and_scalar_dependences, outermost_loop_in_sese,
        if_region_set_false_region, create_if_region_on_edge,
        move_sese_in_condition): Moved to sese.c.

        (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
        if_region_exit, if_region_get_condition_block,
        struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
        union iv_stack_entry_data_union, struct iv_stack_entry_struct,
        iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
        ivtype_map_elt, new_ivtype_map_elt,
        recompute_all_dominators): Moved to sese.h.

        * graphite-clast-to-gimple.c: New.
        * graphite-clast-to-gimple.h: New.
        * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
        * sese.c: Modified as said above.
        * sese.h: Same.

2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Split scop detection to a new file.
        (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
        move_sd_regions, loop_affine_expr, exclude_component_ref,
        is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
        graphite_cannot_represent_loop_niter, struct scopdet_info,
        scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
        find_single_entry_edge, find_single_exit_edge,
        create_single_entry_edge, sd_region_without_exit,
        create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
        create_sese_edges, build_graphite_scops, limit_scops, build_scops):
        Moved to graphite-scop-detection.c.

        * graphite-scop-detection.c: New.
        * graphite-scop-detection.h: New.
        * Makefile.in: Add new rule for graphite-scop-detection.o.

        * sese.c: Include tree-chrec.h, tree-data-ref.h, and
        tree-scalar-evolution.h.
        (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
        build_sese_loop_nests): Moved here from graphite.c.
        (param_index): Renamed parameter_index_in_region.

2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/block-0.c: Expected to fail now.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/block-5.c: Same.
        * gcc.dg/graphite/block-6.c: Same.

2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.h: Separate from graphite_bb_p the polyhedral
        representation in poly_bb_p and the GCC specifics in gimple_bb_p.
        (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
        graphite-data-ref.h.
        (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
        PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
        pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
        SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
        SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
        scop_nb_params): Moved to graphite-poly.h.
        * graphite-data-ref.c: Same.
        * graphite-data-ref.h: New.
        * graphite.c: Same.
        (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
        graphite_trans_bb_strip_mine, strip_mine_profitable_p,
        is_interchange_valid, graphite_trans_bb_block,
        graphite_trans_loop_block, scop_max_loop_depth,
        graphite_trans_scop_block, graphite_apply_transformations,
        new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
        graphite-poly.c.
        * graphite-poly.h: New.
        * graphite-poly.c: New.
        * Makefile.in (OBJS-common): Add graphite-poly.o.
        (graphite-poly.o): New rule.
        * tree-data-ref.h (struct data_reference): Remove unused scop field.
        (DR_SCOP): Removed.

2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c: Replace gb -> gbb.
        * graphite.h: Same.
        * graphite-data-ref.c: Same.

2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (OBJS-commmon): Add sese.o.
        (sese.o): New.
        (graphite.o): Add sese.h.
        * graphite.c (bb_in_ss_p, loop_in_sese_p,
        sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
        sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
        Move to sese.
        (block_before_scop): Add missing return.
        (new_scop, free_scop): Remove SESE data structures.
        (scop_record_loop, scan_tree_for_params, find_params_in_bb,
        find_scop_parameters, build_loop_iteration_domains,
        add_conditions_to_domain, register_scop_liveout_renames,
        copy_bb_and_scalar_dependences): Scop -> SESE.

        (add_conditions_to_domain): SCoP -> SESE and remove check
        (scop_contains_non_iv_scalar_phi_nodes): New.
        (build_scop_conditions_1, build_scop_conditions): Remove check for
        non iv scalar phi nodes.
        (print_scop_statistics): New.
        (graphite_transform_loops): Cleanup.

        * graphite.h: Move to sese & cleanup.
        * sese.c: New.
        * sese.h: New.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_scop_conditions_1): Conditions are only
        at the end of a basic block.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau>

        * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
        field.
        (GBB_ALPHA): Removed.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-data-ref.c (graphite_test_dependence): Don't use
        GBB_DYNAMIC_SCHEDULE.
        * graphite.c (new_graphite_bb): Same.
        (free_graphite_bb): Same.
        (build_scop_dynamic_schedules): Removed.
        (graphite_transform_loops): Don't call it.
        * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
        (GBB_DYNAMIC_SCHEDULE): Removed.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
        (print_graphite_bb): Same.
        (build_cloog_prog): Same.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_cloog_prog): Don't use CloogMatrix.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_scop_context): Don't use CloogMatrix.
        * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
        * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
        liveout_renames, add_params fields...
        (struct sese): ... here.
        (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
        SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_scop): Do not print the CLooG program.
        (new_scop, free_scop, initialize_cloog_names, build_scop_context,
        build_cloog_prog, gloog): Don't use SCOP_PROG.
        (find_transform): Renamed scop_to_clast.
        (print_generated_program, debug_generated_program): New.
        (graphite_transform_loops): Adapt to new interface.
        * graphite.h (struct scop): Remove program field.
        (SCOP_PROG): Removed.
        (print_generated_program, debug_generated_program): Declared.

2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
        (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
        * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
        free_graphite_bb, build_scop_canonical_schedules,
        graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
        schedules are now represented using a ppl_Linear_Expression_t.
        * graphite.h (struct graphite_bb): Same.
        * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
        * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.

2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Free local memory.
        * graphite-ppl.c: Same.

2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (const_column_index, get_first_matching_sign_row_index,
        get_lower_bound_row, get_upper_bound_row, copy_constraint,
        swap_constraint_variables, scale_constraint_variable): Removed.
        (graphite_trans_bb_strip_mine): Remove pong.
        * graphite-ppl.c: Include missing header files.
        (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
        * graphite-ppl.h (ppl_strip_loop): Declared.
        * Makefile.in (graphite-ppl.o): Adjust dependences.

2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_loop_iteration_domains): Remove ping pong.
        (build_scop_iteration_domain): Same.

2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
        ping pong.
        (add_value_to_dim, scan_tree_for_params_right_scev,
        scan_tree_for_params_int): New.
        * graphite-ppl.c (oppose_constraint): New.
        (insert_constraint_into_matrix): Implement missing cases.
        * graphite-ppl.h (insert_constraint_into_matrix): Declared.

2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
        use ppl_move_dimension.

2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
        * graphite.c: Same.
        * graphite.h: Same.
        * graphite-ppl.c: Same.
        * graphite-ppl.h: Same.

2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>

        Revert last 3 commits.

2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
        ping pong.
        (add_value_to_dim, scan_tree_for_params_right_scev,
        scan_tree_for_params_int): New.
        * graphite-ppl.c (oppose_constraint): New.
        (insert_constraint_into_matrix): Implement missing cases.
        * graphite-ppl.h (insert_constraint_into_matrix): Declared.

2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.

2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
        use ppl_move_dimension.
        * graphite-ppl.c (ppl_move_dimension): New.
        * graphite-ppl.h (ppl_move_dimension): Declared.

2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Do not include cloog/cloog.h.
        (print_graphite_bb): Remove ping pong, call PPL print function.

2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (OBJS-common): Add graphite-ppl.o.
        (graphite.o): Add dependence on graphite-ppl.h.
        (graphite-ppl.o): New.
        (graphite-data-ref.c): Ping pong between PPL data structures
        and matrices.
        * graphite-ppl.c: New.
        * graphite-ppl.h: New.
        * graphite.c: Include graphite-ppl.h.
        (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
        graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
        Ping pong between PPL data structures and matrices.
        (new_graphite_bb): Create a PPL constraint system.
        Call ppl_delete_Constraint_System instead of cloog_matrix_free.
        (build_loop_iteration_domains): Use PPL functions.
        * graphite.h: Include graphite-ppl.h.  Fix comments.
        (graphite_bb): Use a ppl_Constraint_System_t instead of
        CloogMatrix for representing the domain.
        (scop): Remove static_schedule.
        (gbb_nb_loops): Ping pong between PPL data structures and matrices.

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

        * graphite.c: Fix some comments.

2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38953
        * graphite.c (if_region_set_false_region): After moving a region
        in the false branch of a condition, remove the empty dummy
        basic block.
        (gloog): Remove wrong fix for PR38953.

2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
        sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
        register_bb_in_sese, new_sese, free_sese): Moved.
        (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
        outermost_loop_in_scop, build_scop_iteration_domain,
        expand_scalar_variables_ssa_name, get_vdef_before_scop,
        limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
        Use loop_in_sese_p instead of loop_in_scop_p.
        (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
        (free_scop): Do not free SCOP_BBS_B.
        (nb_loops_around_loop_in_scop, nb_loops_around_gb,
        ref_nb_loops): Moved here...
        * graphite.h (ref_nb_loops): ... from here.
        (struct scop): Remove bbs_b bitmap.
        (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
        * gcc.dg/graphite/scop-19.c: New

2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scopdet_basic_block_info): Fix bug in scop
        detection.

2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
        eq_loop_to_cloog_loop): Remove.
        (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
        * graphite.h (struct scop): Remove loop2cloog_loop.
        (loop_domain_dim, loop_iteration_vector_dim): Remove.

2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>

        * opts.c (decode_options): Only add graphite options to O2
        if we compile with graphite enabled.

2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r143163:143684).

2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (debug_value): Removed.
        * graphite.h (debug_value): Removed.

2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (init_optimization_passes): Do not call pass_copy_prop
        after graphite: pass_copy_prop does not maintain a proper loop closed
        SSA form.  pass_copy_prop should be fixed.

2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.

2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
        (gloog): Split the exit of the scop when the scop exit is a loop exit.
        (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
        changed the CFG.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (gloog): Return true when code gen succeeded.
        (graphite_transform_loops): Do not call cleanup_tree_cfg if
        the code of the function did not changed.  After cleanup_tree_cfg
        call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
        form.

2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (stmt_simple_for_scop_p): Also handle cases when
        gimple_call_lhs is NULL.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (graphite_trans_scop_block): Do not block single
        nested loops.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (build_scop_canonical_schedules): Start schedules at
        zero.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (compare_prefix_loops): New.
        (build_scop_canonical_schedules): Rewritten.
        (graphite_transform_loops): Move build_scop_canonical_schedules
        after build_scop_iteration_domain.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (add_conditions_to_domain): Add the loops to
        the dimension of the iteration domain.  Do copy the domain
        only when it exists.
        (build_scop_conditions_1): Do not call add_conditions_to_domain.
        (add_conditions_to_constraints): New.
        (can_generate_code_stmt, can_generate_code): Removed.
        (gloog): Do not call can_generate_code.
        (graphite_transform_loops): Call add_conditions_to_constraints
        after building the iteration domain.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (scan_tree_for_params): On substractions negate
        all the coefficients of the term.
        (clast_to_gcc_expression_red): New.  Handle reduction expressions
        of more than two operands.
        (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
        (get_vdef_before_scop): Handle also the case of default definitions.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38431
        * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
        (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
        (gloog): Do not call cleanup_tree_cfg.
        (graphite_transform_loops): Call cleanup_tree_cfg after all
        scops have been code generated.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (init_optimization_passes): Schedule after
        graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
        Fix comment.
        (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
        Set the type of an expression to the type of its assign statement.
        (expand_scalar_variables_expr):  Do not pass loop_p.
        Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
        (copy_bb_and_scalar_dependences): Do not pass loop_p.
        (translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (expand_scalar_variables_ssa_name): Set the type of
        an expression to the gimple_expr_type of its assign statement.
        (expand_scalar_variables_expr): Stop recursion on tcc_constant
        or tcc_declaration.

2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38786
        * gcc.dg/graphite/pr38786.c: New.
        * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
        the SSA_NAME case of expand_scalar_variables_expr.
        (expand_scalar_variables_expr): Also gather the scalar computation
        used to index the memory access.
        (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
        the gimple_stmt_iterator where it inserts new code.

2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.

2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>

        * opts.c (decode_options): Enable flag_graphite_identity and
        flag_loop_block in -O2 and above.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>

        * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
        Fix merge problem: replace with the file from trunk.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r141727:143163).

2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38559
        * gcc.dg/graphite/pr38559.c: New.

        * graphite.c (debug_value, copy_constraint,
        swap_constraint_variables, scale_constraint_variable, ): New.
        (get_lower_bound, get_upper_bound): Removed.
        (graphite_trans_bb_strip_mine): Clean up this code that works
        only for constant number of iterations.  Fully copy upper and
        lower bound constraints, not only the constant part of them.
        * graphite.h (debug_value): Declared.

2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38492
        PR tree-optimization/38498
        * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
        * tree-chrec.h (scev_is_linear_expression): Declared.
        * graphite.c (graphite_cannot_represent_loop_niter): New.
        (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
        (graphite_loop_normal_form): Use gcc_assert.
        (scan_tree_for_params): Use CASE_CONVERT.
        (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
        (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
        Use gcc_assert.  Discard scops that contain unhandled cases.
        (build_scop_conditions): Return a boolean status for unhandled cases.
        (strip_mine_profitable_p): Print the loop number, not its depth.
        (is_interchange_valid): Pass the depth of the loop nest, don't
        recompute it wrongly.
        (graphite_trans_bb_block): Same.
        (graphite_trans_bb_block): Print tentative of loop blocking.
        (graphite_trans_scop_block): Do not print that the loop has been
        blocked.
        (graphite_transform_loops): Do not handle scops that contain condition
        scalar phi nodes.

        * gcc.dg/graphite/pr38500.c: Fixed warning as committed
        in trunk.
        * gcc.dg/graphite/block-0.c: Update test.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/block-2.c: Remove xfail and test for
        blocking.
        * gcc.dg/graphite/block-4.c: Remove test for strip mine.
        * gcc.dg/graphite/block-3.c: New.
        * gcc.dg/graphite/pr38498.c: New.

2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/38510
        * gcc.dg/graphite/pr38510.c: New.
        * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
          (translate_clast): Call recompute_all_dominators before
          graphite_verify.
          (gloog): Call recompute_all_dominators before graphite_verify.

2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38492
        * graphite.c (rename_map_elt, debug_rename_elt,
        debug_rename_map_1, debug_rename_map, new_rename_map_elt,
        rename_map_elt_info, eq_rename_map_elts,
        get_new_name_from_old_name, bb_in_sese_p): Moved around.
        (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
        (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
        (sese_build_livein_liveouts): New.
        (new_sese, free_sese): New.
        (new_scop): Call new_sese.
        (free_scop): Call free_sese.
        (rename_variables_from_edge, rename_phis_end_scop): Removed.
        (register_old_new_names): Renamed register_old_and_new_names.
        (register_scop_liveout_renames, add_loop_exit_phis,
        insert_loop_close_phis, struct igp,
        default_liveout_before_guard, add_guard_exit_phis,
        insert_guard_phis, copy_renames): New.
        (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
        (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
        (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
        (scop_adjust_phis_for_liveouts): New.
        (gloog): Call scop_adjust_phis_for_liveouts.

        * graphite.h (struct sese): Documented.  Added fields liveout,
        num_ver and livein.
        (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
        (new_sese, free_sese, sese_build_livein_liveouts): Declared.
        (struct scop): Added field liveout_renames.
        (SCOP_LIVEOUT_RENAMES): New.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38409
        * gcc.dg/graphite/pr38409.c: New.
        * graphite.c (nb_reductions_in_loop): Use simple_iv.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (gcc_type_for_cloog_iv): By default return
        integer_type_node.
        (graphite_create_new_loop): Don't fold_convert the already
        fold_convert-ed expression.

2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/38446
        * gcc.dg/graphite/pr38446.c: New.
        * graphite.c (register_bb_in_sese): New.
        (bb_in_sese_p): Check if bb belongs to sese region by explicitly
        looking at the bbs in the region.
        * graphite.h (sese): Add region_basic_blocks pointer set to
        structure and initialize at the time of defining new scop.

2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
        (find_params_in_bb): Do not free data refs.
        (free_graphite_bb): Add FIXME on disabled free_data_refs.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/scop-16.c: Test only scop specific info.
        * gcc.dg/graphite/scop-17.c: Same.
        * gcc.dg/graphite/block-5.c: New.
        * gcc.dg/graphite/block-6.c: New.
        * gcc.dg/graphite/pr37485.c: Clean dump file after.
        * gcc.dg/graphite/pr37684.c: Same.
        * gcc.dg/graphite/block-2.c: Same.

        * graphite.c (struct ivtype_map_elt): New.
        (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
        new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
        gcc_type_for_cloog_iv): New.
        (loop_iv_stack_patch_for_consts): Use the type of the induction
        variable from the original loop, except for the automatically
        generated loops, i.e., in the case of a strip-mined loop, in
        which case there is no original loop: in that case just use
        integer_type_node.
        (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
        (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
        (clast_name_to_gcc): Accept params to be NULL.
        (clast_to_gcc_expression): Take an extra parameter for the type.
        Convert to that type all the expressions built by this function.
        (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
        (graphite_translate_clast_equation): Compute the type of the
        clast_equation before translating its LHS and RHS.
        (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
        (graphite_create_new_loop): Compute the type of the induction
        variable before translating the lower and upper bounds and before
        creating the induction variable.
        (rename_variables_from_edge, rename_phis_end_scop): New.
        (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
        (sese_add_exit_phis_edge): Do not use integer_zero_node.
        (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
        compute_cloog_iv_types): New.
        (gloog): Call compute_cloog_iv_types before starting the
        translation of the clast.

        * graphite.h (struct graphite_bb): New field cloog_iv_types.
        (GBB_CLOOG_IV_TYPES): New.
        (debug_ivtype_map): Declared.
        (oldiv_for_loop): New.

2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/38459
        * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
        (param_index): Assert if parameter is not know after parameter
        detection.
        (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
        (find_scop_parameters): Mark, that we have finished parameter
        detection.
        (graphite_transform_loops): Move condition detection before parameter
        detection.
        * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
        * gfortran.dg/graphite/pr38459.f90: New.

2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_transform_loops): Always call find_transform ()
        in ENABLE_CHECKING.  So we test these code paths, even if we do not
        generate code.

2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
        (print_scop): Ditto.

2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/38084
        Fix gfortran.dg/graphite/id-3.f90.
        * graphite.c (scopdet_basic_block_info): Fix bug that found some
        regions more than once.

2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>

        Fix gfortran.dg/graphite/id-4.f90.
        * graphite.c (scan_tree_for_params): Do not compute the multiplicand
        when not needed.

2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>

        Fix gfortran.dg/graphite/id-1.f90.
        * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
        (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
        (max_precision_type): New.
        (value_clast): Removed.
        (clast_to_gcc_expression): Be more careful to types of expressions.
        Use max_precision_type and update use of gmp_cst_to_tree.
        (graphite_translate_clast_equation): Use max_precision_type.
        (graphite_create_guard_cond_expr): Do not use integer_type_node,
        use the type of the condition.
        (graphite_create_new_loop): Do not use integer_type_node, use the
        max_precision_type of lb and ub.

2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_scops_1): Initialize open_scop.exit
        and sinfo.last.

2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/pr38084.c: New.
        * gfortran.dg/graphite/id-1.f90: New.
        * gfortran.dg/graphite/id-2.f90: New.
        * gfortran.dg/graphite/id-3.f90: New.
        * gfortran.dg/graphite/id-4.f90: New.
        * gfortran.dg/graphite/pr37857.f90: New.

2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR middle-end/37852
        PR middle-end/37883
        PR middle-end/37928
        PR middle-end/37980
        PR middle-end/38038
        PR middle-end/38039
        PR middle-end/38073
        PR middle-end/38083
        PR middle-end/38125

        * gcc.dg/graphite/pr38073.c: New.
        * gcc.dg/graphite/pr37928.c: New.
        * gcc.dg/graphite/pr37883.c: New.
        * gcc.dg/graphite/pr38125.c: New.
        * gfortran.dg/graphite/pr38083.f90: New.
        * gfortran.dg/graphite/pr37852.f90: New.
        * gfortran.dg/graphite/pr37980.f90: New.

        * gcc.dg/graphite/scop-18.c: Remove reduction, test for
        the number of detected scops.  Copy exact same test for loop
        blocking...
        * gcc.dg/graphite/block-1.c: Fix the number of expected
        loops to be blocked as reductions are not handled.
        * gcc.dg/graphite/block-4.c: ...here.  New.

        * tree-phinodes.c (remove_phi_nodes): New, extracted from...
        * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
        ...here.
        * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
        * Makefile.in (graphite.o): Depend on value-prof.h.
        (graphite.o-warn): Removed -Wno-error.
        * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
        to be a NULL pointer.  Call update_stmt.  Return the newly created
        cannonical induction variable.

        * graphite.h (debug_rename_map): Declared.  Fix some comments.

        * graphite.c: Reimplement the code generation from graphite to gimple.
        Include value-prof.h.
        (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
        (get_old_iv_from_ssa_name): Removed.
        (graphite_stmt_p): New.
        (new_graphite_bb): Test for useful statements before building a
        graphite statement for the basic block.
        (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
        in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
        reason.
        (recompute_all_dominators, graphite_verify,
        nb_reductions_in_loop, graphite_loop_normal_form): New.
        (scop_record_loop): Call graphite_loop_normal_form.
        (build_scop_loop_nests): Iterate over all the blocks of the
        function instead of relying on the incomplete information from
        SCOP_BBS.  Return the success of the operation.
        (find_params_in_bb): Use the data from GBB_DATA_REFS.
        (add_bb_domains): Removed.
        (build_loop_iteration_domains): Don't call add_bb_domains.
        Add the iteration domain only to the basic blocks that have been
        translated to graphite.
        (build_scop_conditions_1): Add constraints only if the basic
        block have been translated to graphite.
        (build_scop_data_accesses): Completely disabled until data
        dependence is correctly implemented.
        (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
        (remove_all_edges_1, remove_all_edges): Removed.
        (get_new_name_from_old_name): New.
        (graphite_rename_variables_in_stmt): Renamed
        rename_variables_in_stmt.  Call get_new_name_from_old_name.
        Use replace_exp and update_stmt.
        (is_old_iv): Renamed is_iv.
        (expand_scalar_variables_stmt): Extra parameter for renaming map.
        Use replace_exp and update_stmt.
        (expand_scalar_variables_expr): Same.  Use the map to get the
        new names for the renaming of induction variables and for the
        renaming of variables after a basic block has been copied.
        (expand_scalar_variables): Same.
        (graphite_rename_variables): Renamed rename_variables.
        (move_phi_nodes): Removed.
        (get_false_edge_from_guard_bb): New.
        (build_iv_mapping): Do not insert the induction variable of a
        loop in the renaming iv map if the basic block does not belong
        to that loop.
        (register_old_new_names, graphite_copy_stmts_from_block,
        copy_bb_and_scalar_dependences): New.
        (translate_clast): Heavily reimplemented: copy basic blocks,
        do not move them.  Finally, in call cleanup_tree_cfg in gloog.
        At each translation step call graphite_verify ensuring the
        consistency of the SSA, loops and dominators information.
        (collect_virtual_phis, find_vdef_for_var_in_bb,
        find_vdef_for_var_1, find_vdef_for_var,
        patch_phis_for_virtual_defs): Removed huge hack.
        (mark_old_loops, remove_dead_loops, skip_phi_defs,
        collect_scop_exit_phi_args, patch_scop_exit_phi_args,
        gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
        (remove_sese_region, ifsese, if_region_entry, if_region_exit,
        if_region_get_condition_block, if_region_set_false_region,
        create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
        sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
        sese_add_exit_phis_edge, sese_add_exit_phis_var,
        rewrite_into_sese_closed_ssa): New.
        (gloog): Remove dead code.  Early return if code cannot be
        generated.  Call cleanup_tree_cfg once the scop has been code
        generated.
        (graphite_trans_scop_block, graphite_trans_loop_block): Do not
        block loops with less than two loops.
        (graphite_apply_transformations): Remove the call to
        scop_remove_ignoreable_gbbs.
        (limit_scops): When build_scop_loop_nests fails, continue on
        the next scop.  Fix open_scop.entry.
        (graphite_transform_loops): Call recompute_all_dominators: force the
        recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
        Call initialize_original_copy_tables and free_original_copy_tables
        to be able to copy basic blocks during code generation.
        When build_scop_loop_nests fails, continue on next scop.
        (value_clast): New union.
        (clast_to_gcc_expression): Fix type cast warning.

2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r140838:141727).

2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/37833

        * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.

2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/37943

        * graphite.c (scopdet_basic_block_info): Fix loops with multiple
        exits and conditions.
        * gcc.dg/graphite/pr37943.c: New.

2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/37886
        * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.

2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * doc/invoke.texi: Fix spaces.

2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/37891
        Reverted last commit.
        * graphite.c (create_single_entry_edge): Set
        EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.

2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
            Mitul Thakkar  <mitul.thakkar@amd.com>

        * graphite.c (create_single_entry_edge): Set
        EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.

2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>

        * doc/invoke.texi: Add -fgraphite-identity.
        * graphite.c (graphite_apply_transformations): Check for
        -fgraphite-identity.
        * toplev.c (process_options): Add flag_graphite_identity.
        * tree-ssa-loop.c: Add flag_graphite_identity.

2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>

        Undo changes from 2008-10-02:
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
        operand type when copying the operand to a variable of different type.
        * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
        with the IV name after increment.

2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37828
        * gcc.dg/graphite/pr37828.c: New.
        * graphite.c (graphite_trans_loop_block): Do not loop block
        single nested loops.

2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (struct rename_map_elt, new_rename_map_elt,
        rename_map_elt_info, eq_rename_map_elts): New.
        (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
        (expand_scalar_variables_expr): Change parameters.
        (expand_scalar_variables_stmt): Same.
        (expand_scalar_variables): Same.
        (graphite_rename_ivs): Rename graphite_rename_variables.
        (build_iv_mapping): New.
        (translate_clast): Call build_iv_mapping.
        * graphite.h (gbb_p): New name.

2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37684
        * gcc.dg/graphite/pr37684.c: New.
        * graphite.c (exclude_component_ref): New.
        (is_simple_operand): Call exclude_component_ref.

2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37485
        * gcc.dg/graphite/block-2.c: New
        * graphite.c (gmp_cst_to_tree): Moved.
        (iv_stack_entry_is_constant): New.
        (iv_stack_entry_is_iv): New.
        (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
        (loop_iv_stack_insert_constant): New.
        (loop_iv_stack_pop): Use new datatpype.
        (loop_iv_stack_get_iv): Same.
        (loop_iv_stack_get_iv_from_name): Same.
        (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
        (loop_iv_stack_patch_for_consts): New.
        (loop_iv_stack_remove_constants): New.
        (graphite_create_new_loop): Use loop_iv_stack_push_iv.
        (translate_clast): Call loop_iv_stack_patch_for_consts and
        loop_iv_stack_remove_constants.
        (gloog): Use new datatype.  Redirect construction edge to end
        block to avoid accidental deletion.
        * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
        iv stack entry.
        (union iv_stack_entry_data): New.  Data in iv stack entry.
        (struct iv_stack_entry): New.  Datatype for iv stack entries.

2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
        operand type when copying the operand to a variable of different type.

2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
        with the IV name after increment.

2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (r140164:140838).

2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite-data-ref.c: New.
        * graphite.c (print_scop): Also dump the dependence graph.
        (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
        (new_scop): Initialize SCOP_DEP_GRAPH.
        (build_scop_dynamic_schedules): New.
        (build_access_matrix_with_af): Fixed column numbering.
        (graphite_transform_loops): Call build_scop_dynamic_schedules.
        * graphite.h: Add ifndef/define guards against multiple inclusion.
        (struct scop): Add dep_graph field.
        (SCOP_DEP_GRAPH): Defined.
        (ref_nb_loops): Fixed and moved to other position.
        (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
        (nb_loops_around_loop_in_scop): New.
        (graphite_dump_dependence_graph): Declared.
        (graphite_build_rdg_all_levels): Declared.
        (graphite_test_dependence): Declared.
        * Makefile.in (graphite-data-ref.o): New target.

2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (139870:140164).

2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (138275:139870).
        * gcc.dg/graphite/scop-matmult.c: XFailed as one of
        the commits from trunk broke the niter detection.

2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Add more documentation.  Fix formatting.
        (debug_loop_vec, debug_oldivs, loop_iv_stack,
        loop_iv_stack_debug): Moved...
        (schedule_to_scattering): Move before use.
        (dot_all_scops): Include in "#if 0" the code for system
        call dotty.

        * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
        loop_iv_stack_debug): ...here.

2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>

        * tree-phinodes.c (make_phi_node): Extern.
        (add_phi_node_to_bb): New.
        (create_phi_node): Call add_phi_node_to_bb.
        * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
        (remove_statement): Handle case where stored phi was updated
        and is no longer the same.
        * graphite.c (is_parameter): New.
        (is_old_iv): New.
        (expand_scalar_variables_expr): New.
        (expand_scalar_variables_stmt): New.
        (expand_scalar_variables): New.
        (move_phi_nodes): Create new phi instead of moving old one.
        (translate_clast): Call expand_scalar_variables.
        (find_vdef_for_var_in_bb): Also scan regular definitions.
        (skip_phi_defs): New.
        (collect_scop_exit_phi_args): New.
        (patch_scop_exit_phi_args): New.
        (gloog): Patch phis after scop.
        * tree-flow.h: (add_phi_node_to_bb): Declared.
        (make_phi_node): Declared.

2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (end_scop): Split the entry of the scop when it
        is the header of the loop in which the scop is ending.
        (build_scops_1, limit_scops): Update uses of end_scop.

2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (dot_all_scops_1): Do not fail on uninitialized
        SCOP_ENTRY or SCOP_EXIT.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (get_construction_edge): Removed.
        (gloog): Construction edge is the scop entry edge.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (can_generate_for_scop): Removed.
        (gloog): Do not call it.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (new_scop): Entry of a scop is an edge.
        Initialize SESE region.
        (free_scop): Free SESE region.
        (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
        (split_difficult_bb): New, split from end_scop.
        (end_scop): Exit of a scop is an edge.
        (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
        not automatically updated and thus is always wrong.
        * graphite.h (struct sese): New.
        (SESE_ENTRY): New.
        (SESE_EXIT): New.
        (struct scop): New field for a SESE region.  Remove entry, exit.
        (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
        semantics as before.  Moved comment around.

2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_transform_loops): Always enable gloog
        and find_transform when ENABLE_CHECKING.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_transform_loops): Move pretty printer
        of SCOPs before doing any transform.  Remove call to print_scops
        and dot_all_scops_1.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
        (print_graphite_bb): Same.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (dot_all_scops_1): Cleanup.
        (move_scops): Fix comment.

2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_scop_bbs): Revert commit 139355:

        2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
                    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

                * graphite.c (build_scop_bbs): Factor up code.

2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (gloog): Update dominator info.

2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (remove_cond_exprs): Do not fail on empty bbs.

2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
        initialization.
        (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
        (translate_clast): Correct formatting.
        * graphite.h (struct num_map): Removed.
        (struct graphite_bb): Remove num_map field.
        (GBB_INDEX_TO_NUM_MAP): Removed.

2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_access_matrix_with_af): Fix comments.
        (build_scop_data_accesses): Same.

2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_scop_data_accesses): Don't construct
        access matrices.  Add a FIXME and an assert condition that
        should pass when the access matrices will be needed.

2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (stmt_simple_memref_p): Don't call
        really_constant_p.
        * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
        Moved close by free_graphite_bb.
        (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
        (new_scop): Move close by free_scop.
        (graphite_transform_loops): Avoid linear scan to reset bb->aux.

2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>

        * cfgloopmanip.c (create_empty_if_region_on_edge): New.
        * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
        instead of recursive call.
        (graphite_translate_clast_equation): New.
        (graphite_create_guard_cond_expr): New.
        (graphite_create_new_guard): New.
        (get_stack_index_from_iv): Removed.
        (graphite_rename_ivs_stmt): Use gbb_loop_index.
        (get_true_edge_from_guard_bb): New.
        (translate_clast): Handle stmt_guard in clast.
        (get_construction_edge): Allow construction edge detection for
        a scope entry with multiple predecessors if one predecessor is
        the immediate dominator of scope entry.
        (can_generate_code_stmt): Enable code generation for clast_guard.
        (gloog): Use correct context loop.  Removed check for post dominators.
        * cfgloop.h (create_empty_if_region_on_edge): Declared.

2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (remove_dead_loops): Document better which
        loops are removed.

2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
        and PPLINC.
        (graphite.o): Also depends on pointer-set.h.

2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scop_record_loop): Fix compile warning.

2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scop_record_loop): DECL_NAME can be NULL.

2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_graphite_bb): Initialize bb->aux to
        point to the graphite_bb_p.
        (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
        content of bb->aux.
        (add_bb_domains): Does not use the scop parameter.
        (graphite_transform_loops): Clean bb->aux at the end.

2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * lib/target-supports.exp
        (check_effective_target_fgraphite): New.

        * gcc.dg/graphite/graphite.exp: Early exit when
        check_effective_target_fgraphite returns false.
        Set dg-do-what-default to compile.
        (scan-graphite-dump-times): Removed.
        * gfortran.dg/graphite/graphite.exp: Same.

        * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
        Use scan-tree-dump-times instead of scan-graphite-dump-times.
        * gcc.dg/graphite/scop-1.c: Same.
        * gcc.dg/graphite/scop-2.c: Same.
        * gcc.dg/graphite/scop-3.c: Same.
        * gcc.dg/graphite/scop-4.c: Same.
        * gcc.dg/graphite/scop-5.c: Same.
        * gcc.dg/graphite/scop-6.c: Same.
        * gcc.dg/graphite/scop-7.c: Same.
        * gcc.dg/graphite/scop-8.c: Same.
        * gcc.dg/graphite/scop-9.c: Same.
        * gcc.dg/graphite/scop-10.c: Same.
        * gcc.dg/graphite/scop-11.c: Same.
        * gcc.dg/graphite/scop-12.c: Same.
        * gcc.dg/graphite/scop-13.c: Same.
        * gcc.dg/graphite/scop-matmult.c: Same.
        * gcc.dg/graphite/scop-14.c: Same.
        * gcc.dg/graphite/scop-15.c: Same.
        * gcc.dg/graphite/block-0.c: Same.
        * gcc.dg/graphite/scop-16.c: Same.
        * gcc.dg/graphite/block-1.c: Same.
        * gcc.dg/graphite/scop-17.c: Same.
        * gcc.dg/graphite/scop-18.c: Same.
        * gfortran.dg/graphite/block-1.f90: Same.
        * gfortran.dg/graphite/scop-1.f: Same.
        * gfortran.dg/graphite/block-2.f: Same.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Fix some XXX comments.
        (build_scop_dynamic_schedules): Removed.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.h (scop_max_loop_depth): Moved...
        * graphite.c (scop_max_loop_depth): ...here.
        (remove_all_edges_1): New.
        (remove_all_edges): Factored code.
        (remove_cond_exprs): Check only the last statement for
        a GIMPLE_COND expression.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scan_tree_for_params): Early return when the
        expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
        (find_scop_parameters): Factor out code.
        (graphite_trans_bb_strip_mine): Remove dead code.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
        graphite_trans_bb_move_loop): Factor asserts.
        (gloog): Perform sanity checks only for ENABLE_CHECKING.
        Do not call calculate_dominance_info and estimate_bb_frequencies.

2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (create_loops_mapping, free_loops_mapping,
        create_loops_mapping_num, debug_loop_mapping_1,
        debug_loop_mapping, graphite_loops_mapping_max_loop_num,
        get_loop_mapping_for_num, graphite_loops_mapping_add_child,
        graphite_loops_mapping_add_child_num,
        graphite_loops_mapping_insert_child,
        graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
        get_loop_mapped_depth, split_loop_mapped_depth_for_num,
        loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
        create_num_from_index, get_num_from_index,
        swap_loop_mapped_depth): Removed.
        (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
        (free_scop): Do not call free_loops_mapping.
        (graphite_get_new_iv_stack_index_from_old_iv): Renamed
        get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
        get_loop_mapped_depth.
        (graphite_trans_bb_move_loop): Do not update the loop mapping.
        (graphite_trans_bb_strip_mine): Same.
        * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
        (struct scop): Remove field loops_mapping.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * graphite.c (scop_record_loop): Factor out one level of the
        condition by early return.
        (build_scop_loop_nests): Format following FSF coding style.
        (build_scop_dynamic_schedules): Factor out code.
        (scopdet_bb_info): Reindent.  Default case should not be reachable.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * graphite.c (loop_affine_expr): Check for DECL_P or struct
        assignments that are not handled as simple operands for now.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * graphite.c (build_scop_bbs): Factor up code.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * graphite.c (stmt_simple_for_scop_p): Factor code out
        of the loop.
        (enum gbb_type): New.  Group all the GBB_* types under it.
        (is_loop_exit): Moved...
        (end_scop): Enable BB spliting.
        * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
        * cfgloop.h (is_loop_exit): Declared.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Remove strides from examples containing
        DO loops when the strides are equal to 1.

2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * graphite.c (graphite_trans_scop_block): Or the result with
        the result from graphite_trans_loop_block.
        * gcc.dg/graphite/block-1.c: New.
        * gfortran.dg/graphite/block-1.f90: New.
        * gfortran.dg/graphite/block-2.f: New.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_transform_loops): Call cloog_initialize
        and cloog_finalize.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c) (stmt_simple_memref_p): New.
        * tree-data-ref.h (stmt_simple_memref_p): Declared.
        * graphite.c (stmt_simple_memref_for_scop_p): Removed.
        (is_simple_operand): Call stmt_simple_memref_p.

        * gcc.dg/graphite/scop-matmult.c: Updated for not
        using pointer arithmetic, as this is optimized by PRE and
        makes the code too difficult to analyze.

        * gcc.dg/graphite/scop-18.c: Same.

2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>

        * gdbinit.in (pgg): New.

2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_trans_loop_block): Fix warning.

2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_trans_loop_block): Fix my merge error.

2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_trans_bb_block): Remove check for
        flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
        Check if loop blocking is profitable for every loop, before applying
        the changes.
        (graphite_apply_transformations): Call graphite_trans_bb_block only,
        if flag_loop_block is set.

2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Add some more documentation for the loop
        mapping.

2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
        * graphite.c: Format on less than 80 columns.
        * graphite.h: Same.

2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (loopify): Use update_dominators_in_loop.

2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (floop-block, floop-strip-mine,
        floop-interchange): Update documentation with examples.

2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
        add_referenced_var.
        * graphite.c (graphite_create_new_loop): Call add_referenced_var.

2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
        Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
        * tree-scalar-evolution.c: Revert useless changes.
        * tree-phinodes.c: Same.
        * cfghooks.c: Same.
        * vec.h: Same.
        * tree-vectorizer.h: Same.
        * tree-flow.h: Same.
        * tree-cfg.c: Same.
        * common.opt (fgraphite): Update documentation.

2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>

        * doc/invoke.texi (-floop-block, -floop-strip-mine,
        -floop-interchange): Add more text for explaining what each of these
        flags is doing.
        * tree-into-ssa.c (gimple_vec): Moved to...
        * graphite.c: Include gimple.h.
        (gimple_vec): Moved to...
        (del_loop_to_cloog_loop): Removed.
        (loop_affine_expr): Do not call create_data_ref when the
        operand is a constant.
        (new_scop): Use free instead of del_loop_to_cloog_loop.
        * Makefile.in (graphite.o): Depend on GIMPLE_H.
        * gimple.h (gimple_vec): ... here.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scopdet_bb_info): Only allow loops with known number of
        latch executions.
        (build_loop_iteration_domains): Fail, if latch executions unknown.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (add_conditions_to_domain): New.
        (build_scop_conditions_1): Call add_conditions_to_domain.
        (set_cloog_options): Allow to disable optimizations.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (find_params_in_bb): Look for parameters in conditions.
        Do not use walk_dominator_tree.
        (find_scop_parameters): Do not use walk_dominator_tree.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scan_tree_for_params) Add / Subtract inequality.
        (idx_record_params): Adapt.
        * graphite.h (scop_gimple_loop_depth): New.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_scop_dynamic_schedules): Remove value_init.
        (scan_tree_for_params): Remove value_init.
        (build_scop_context): Remove value_init.
        (build_loop_iteration_domains): Remove value_init.
        (schedule_to_scattering): Remove value_init.
        (graphite_trans_bb_strip_mine): Remove value_init.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc/graphite.c (limit_scops): New.
        (graphite_transform_loops): Add limit SCoPs.
        * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
        Change loop numbers.
        * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
        Change loop numbers.
        * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
        * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.

2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_transform_loops): Call always find_transform.

2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (free_loops_mapping): New.
        (stmt_simple_for_scop_p): Fix typo.
        (stmt_simple_for_scop_p): Fix tuples functions, that
        broke polyhedron.
        (free_graphite_bb): Fix some memleaks.
        (free_scop): Fix some memleaks.
        (scopdet_bb_info): Do not forget some tmp SCoPs.
        (find_params_in_bb): Fix some memleaks.
        (clast_to_gcc_expression): Fix warning.

2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/scop-16.c: Fix for 32bit.
        * gcc.dg/graphite/scop-17.c: Fix for 32bit.

2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
        Move code ifdef-ed HAVE_cloog...
        * graphite.c: Include toplev.h.
        ... here.
        * Makefile.in (OBJS-common): Always build graphite.o.
        (BACKEND): Remove @GRAPHITE@.
        (tree-ssa-loop.o): Do not depend on TOPLEV_H.
        (graphite.o): Depend on TOPLEV_H.

2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
        Remove typo left from polylib to ppl conversion.
        * graphite.c (graphite_transforms): Use sorry instead of fatal.

2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>

        * toplev.c (process_options): Move the graphite loop optimization
        flags...
        * tree-ssa-loop.c (graphite_transforms): ... here.
        When not configured with CLooG, print to dump_file that
        Graphite transforms were not performed.
        * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
        New.
        * gcc.dg/graphite/*.c: Updated all testcases to use
        scan-graphite-dump-times.

2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (dot_scop, dot_all_scops): Do not call system.
        Do not open /tmp/scop.dot and /tmp/allscops.dot.

2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * configure: Regenerated.
        * omp-low.c (expand_omp_sections): Remove now unused code.
        * config.in (HAVE_polylib): Removed.
        * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
        (PPLLIBS, PPLINC): Added.
        * graphite.c: Replace unsigned with int wherever possible.
        Don't access Cloog's data structures, but use accessor functions.
        Clast's stmt->type is now implemented as a vtable: change the
        switches of stmt->type into ifs.
        (polylib/polylibgmp.h): Don't include.
        (initialize_dependence_polyhedron,
        initialize_data_dependence_polyhedron, is_empty_polyhedron,
        statement_precedes_p, test_dependence, build_rdg_all_levels,
        dump_dependence_graph): Removed until this code is cleaned up
        or ported to Cloog.
        * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
        (POLYLIBINC): Renamed PPLINC.

2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        Finish the merge and tuplification of graphite.

2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        Partial merge from mainline (138072:138275).
        * graphite.c still has to be tuplified.

2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (graphite_loops_mapping_max_loop_num): New.
        (create_num_from_index): New.
        (get_num_from_index): Also pass in the graphite BB.
        (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
        (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
        (graphite_trans_bb_strip_mine): Call create_num_from_index.
        (is_interchange_valid): Return false when failing.
        * graphite.h (struct num_map): New.
        (struct graphite_bb): New field num_map.
        (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.

2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dump_gbb_conditions): Print also conditions like
        "if (a)".  Remove dublicated code and use print_generic_expr ().
        (stmt_simple_for_scop_p): Only allow conditions we can handle
        {<, <=, >, >=}.

2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.h (struct scop): Removed new_ivs field.
        (SCOP_NEWIVS): Deleted.
        * graphite.c (new_scop, free_scop, clast_name_to_gcc,
        clast_to_gcc_expression, graphite_create_new_loop):
        Removed use of new_ivs.

2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
        create_loops_mapping_num, debug_loop_mapping_1): New.
        (debug_loop_mapping): Call debug_loop_mapping_1.
        (get_loop_mapping_for_num,
        graphite_loops_mapping_add_child,
        graphite_loops_mapping_add_child_num,
        graphite_loops_mapping_insert_child,
        graphite_loops_mapping_parent,
        split_loop_mapped_depth_for_num,
        loop_mapped_depth_split_loop): New.
        (increment_loop_mapped_depths): Removed.
        (swap_loop_mapped_depth_for_num): Reimplemented.
        (new_scop): Call create_loops_mapping.
        (scop_record_loop): Call graphite_loops_mapping_insert_child.
        (translate_clast): Pass the old loop father in parameter, and pass
        it to get_old_iv_from_ssa_name.
        (remove_edges_around_useless_blocks, can_generate_code_stmt,
        can_generate_code, can_generate_for_scop): New.
        (graphite_trans_bb_block): Returns false when it fails to transform.
        * graphite.h (graphite_loop_node, graphite_loops_mapping): New.

2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>

        Reverted all the changes related to the streamization and
        loop fusion.
        These changes are now tracked in the streamization branch.

2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (gbb_compare): Correctly constify.
        (gbb_can_be_ignored): Indent.
        (graphite_trans_scop_swap_1and2): Add legality check.
        Remove dead FIXMEs.

2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>

        Remove fallouts from "Reverted the Condate changes".
        * tree.h: Remove unused decl.
        * gcc.dg/tree-checker: Same.
        * timevar.def: Remove counter.

2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (135673:138072).

        Reverted the MIRO changes (from 2008-04-05) that are now
        tracked in the miro branch.
        * tree-bounds.c: Removed.
        * tree-bounds.h: Removed.

        Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
        are now tracked in the condate branch.
        * tree-check.c: Removed.
        * tree-match.c: Removed.
        * condate.y: Removed.

2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * common.opt: New user flag -floop-block, -floop-strip-mine
        and -floop-interchange.
        * toplev.c (process_options): Enable -fgraphite pass if any one of the
        graphite loop optimization flags is turned on.
        * graphite.c (graphite_apply_transformations): Add flag_loop_block,
        flag_loop_strip_mine and flag_loop_interchange checks before
        optimizations.
        * doc/invoke.texi: Remove -fgraphite and add -floop-block,
        -floop-strip-mine and -floop-interchange.
        * gcc.dg/graphite/block-0.c: Add -floop-block and remove
        -fgraphite.
        * gcc.dg/graphite/scop-16.c: Ditto.
        * gcc.dg/graphite/scop-17.c: Ditto.
        * gcc.dg/graphite/scop-18.c: Ditto.

2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (update_dominators_in_loop): Make it static.
        (create_empty_loop_on_edge): More fixes.
        * tree-phinodes.c (resize_phi_node): Extern.
        (unlink_phi_node, move_phi_node): New split from remove_phi_node.
        * cfghooks.c (update_dominator_information): New split from
        split_edge.
        * tree-vectorizer.c (rename_variables_in_bb): Extern.
        * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
        successor of the function entry block.

        * graphite.c: Include pointer-set.h.
        (debug_loop_mapping, increment_loop_mapped_depths,
        get_loop_mapped_depth_for_num, get_loop_mapped_depth,
        set_loop_mapped_depth_for_num, set_loop_mapped_depth,
        swap_loop_mapped_depth_for_num, get_num_from_index,
        swap_loop_mapped_depth, loop_iv_stack_debug,
        loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
        loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
        get_old_iv_from_ssa_name): New.
        (new_scop): Initialize SCOP_LOOPS_MAPPING.
        (free_scop): Free SCOP_LOOPS_MAPPING.
        (scop_record_loop): Record old ivs.
        (create_var_name): Removed.
        (initialize_cloog_names): Allocate double space in case strip mine
        applies to all loops once.
        (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
        (clast_to_gcc_expression): Same.  Implement more clast to gimple
        translation.
        (graphite_create_new_loop): Pass in ivstack.
        (remove_all_edges): Pass in the construction_edge.
        (graphite_remove_iv): Removed.
        (graphite_rename_ivs, graphite_rename_ivs_stmt,
        remove_cond_exprs): Rewritten.
        (move_phi_nodes): New.
        (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
        (translate_clast): Pass in ivstack.  Rewrite some cases.
        (set_cloog_options, debug_clast_stmt): New.
        (find_transform): Use set_cloog_options.
        (outermost_loop_layer): Removed.
        (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
        find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
        mark_old_loops, remove_dead_loops): New.
        (gloog): Rewritten.
        (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
        (const_column_index, get_first_matching_sign_row_index,
        get_lower_bound_row, get_upper_bound_row, get_lower_bound,
        get_upper_bound): New.
        (graphite_trans_bb_strip_mine): Also update the iv map.

        * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
        (struct name_tree): Add a loop field.
        (struct scop): Add a graphite_loops_mapping field.
        (SCOP_LOOPS_MAPPING): New.
        (debug_clast_stmt): Declare.
        * lambda.h (find_induction_var_from_exit_cond): Declare.
        (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
        * cfgloop.h (update_dominators_in_loop): Removed declaration.
        (create_empty_loop_on_edge): Updated.
        * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
        rename_variables_in_bb): Declare.
        * tree-cfg.c (remove_bb): Extern.

        * gcc.dg/graphite/block-0.c: New.

2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (strip_mine_profitable_p): New.
        (graphite_trans_bb_block): Disable strip mining if not profitable.

        * gcc.dg/graphite/scop-18.c: New.
        * gcc.dg/graphite/scop-17.c: Fixed.
        * gcc.dg/graphite/scop-16.c: Fixed.

2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (is_interchange_valid): New.
        (graphite_trans_bb_block): Check loop nest of basic block for legality
        of interchange.

        * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
        outer_most_loop, gbb_outer_most_loop_index): New.

        * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
        * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
        * gcc.dg/graphite/scop-16.c: New.
        * gcc.dg/graphite/scop-17.c: New.

2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
        (graphite_trans_scop_block): Ignore SCoPs without bbs.

2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (new_scop): Initialize SCOP_EXIT.
        (scopdet_info): Add.
        (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
        (build_scops_1): Cleanup, bugfixes.
        (build_scops): Cleanup.

        * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
        * gcc.dg/graphite/scop-15.c: Add SCoP numbers.

2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>

        * gfortran.dg/graphite/scop-1.f: Update to reduced test case.

        * gfortran.dg/graphite/graphite.exp: Use
        DEFAULT_GRAPHITE_FLAGS.

        * gcc.dg/graphite/scop-15.c: Update to reduced test case.

2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>

        * graphite.c (scan_tree_for_params): Do not assert any more if
        MULT_EXPR parameter is negative.

        * gfortran.dg/graphite/scop-1.f: New.

        * gfortran.dg/graphite/graphite.exp: New.

        * gcc.dg/graphite/scop-15.c: New.

2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>

        * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.

2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_trans_bb_swap_loops): Rename from
        graphite_swap_loops.
        (graphite_trans_bb_move_loop): New.
        (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
        (graphite_trans_bb_block): New.
        (graphite_trans_loop_block): New.
        (graphite_trans_scop_swap_1and2): Rename from
        graphite_trans_swap_1and2.
        (graphite_trans_scop_strip): Rename from graphite_trans_strip.
        (graphite_trans_scop_block): New.
        (graphite_apply_transformations): Rename from
        graphite_transformations.

        * gcc.dg/graphite/scop-matmult.c: New.

2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (gbb_compare): New.
        (graphite_sort_gbbs): New.
        (gbb_can_be_ignored): New.
        (scop_remove_ignoreable_gbbs): New.
        (graphite_transformations): Cleanup and add
        scop_remove_ignoreable_gbbs.
        * lambda.h (lambda_vector_compare): New.

2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Correct printing of static schedule.
        (graphite_swap_loops): int -> unsigned
        (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
        (graphite_transformations): New.
        (graphite_transform_loops): Move to graphite_transformations.
        * graphite.h (gbb_nb_loops): Return unsigned.

2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scan_tree_for_params): Fix insertion of parameters into
        the domain matrix.  This makes scop-0.c work again.

2008-06-20  Richard Guenther  <rguenther@suse.de>

        * graphite.h: Adjust copyright to GPLv3.
        * graphite.c: Likewise.
        (stmt_simple_memref_for_scop_p): Split out from ...
        (stmt_simple_for_scop_p): ... here.  Fix handling of calls
        and simplify.
        (get_bb_type): Optimize.
        (is_pred): Remove.
        (is_bb_addable): Fix memleak, replace is_pred call with
        single_pred.
        (build_scops): Use current_loops.
        (param_index): Fix memleak.

2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c: Fix formatting.

2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
        (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
        (create_var_name, save_var_name): Newly defined functions.
        (initialize_cloog_names): Part of the code factored out to
        save_var_name.
        (clast_to_gcc_expression): Now handles the case of clast_red_sum
        in clast_reduction statement.
        (graphite_create_new_loop): Now takes a new parameter
        for outer_loop.
        (translate_clast): Now also takes the context_loop and bb_exit
        parameters. Rewritten the code so that it creates a gimple code
        inside the given context.
        (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
        remove_cond_expr, disconnect_cond_expr,
        disconnect_virtual_phi_nodes): Newly defined functions.
        * graphite.h (struct scop): added old_ivs vector.
        SCOP_OLDIVS: New macro.

2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c: Add missing function comments, fix formatting.

2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * cfgloopmanip.c (update_dominators_in_loop): Defined.
        (create_empty_loop_on_edge): Defined.
        * tree-parloops.c (canonicalize_loop_ivs): Returns tree
        instead of void.
        * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
        (update_dominators_in_loop): Declared as extern
        * tree-flow.h (canonicalize_loop_ivs): Declared as extern.

2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Allow changing number of loops
        in SCoP domain.
        (initialize_cloog_names): Allow changing number of loops.
        (build_cloog_prog): Simplify.
        (find_transform): Enable cloog option --strides.
        (graphite_swap_loops): New.
        (graphite_strip_mine_loop): New.
        (graphite_trans_swap_1and2): New.
        (graphite_trans_strip): New.
        (graphite_transform_loops): Add graphite_trans_strip.
        * graphite.h (scop_max_loop_depth): New.

2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_scop_iteration_domain): Remove forgotten
        line. (Fixes compile)

2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
        (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
        (build_bb_loops): New.
        (graphite_transform_loops): Add build_bb_loops.
        (schedule_to_scattering): Use gbb_nb_loops to support changing loop
        numbers.
        * graphite.h (graphite_bb): Add loops.
        (gbb_nb_loops): New.
        (gbb_loop_at_index): New.
        (gbb_loop_index): New.
        (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
        using nb_params_in_scop.

2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Adapt to minimized schedule.
        (build_scop_canonical_schedules): Build minimized schedule.
        (schedule_to_scattering): Adapt to minimized schedule.
        * graphite.h (graphite_bb): Add/Update descriptions.

2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Add condition printing.
        (dump_value): New.
        (dump_gbb_conditions): New.
        (build_scop_conditions_1): New.
        (build_scop_conditions): New.
        * graphite.h (graphite_bb): Add conditions.

2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb):
        (free_graphite_bb): New.
        (free_scop): Free bbs.
        (get_bb_type): Free doms.
        (build_scop_context): Free context matrix.
        (build_loop_iteration_domains): Remove unused code.
        (build_cloog_prog): Free scattering function and blocklist.
        (find_transform): Free options.

2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
        Remove unnecessery cloog data structures. Make a copy of the domain
        (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
        unnecessary cloog data structures. Fix memory leaks. Remove insert
        into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
        used.
        (build_scop_iteration_domain): Remove unnecessary cloog
        data structures.  Fix memory leaks.
        (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
        uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.

2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (find_scop_params): Remove initialize_cloog_names.

2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (end_scop): Style fix.
        (schedule_to_scattering): Style and comment fix.

2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
        * graphite.c (print_graphite_bb): Fix definiton of
        schedule_to_scattering.
        (initialize_cloog_names): Change nb_scattdims to max loop
        depth in SCoP.
        (schedule_to_scattering): Take parameter for number of scattering
        dimensions.
        (build_cloog_prog): Only build as much scattering dimensions as
        necessary.

2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
        in polyhedron/aermod.f90.

2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
            Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        * graphite.c (is_bb_addable): Fix segfault.

2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (is_bb_addable): Fix memory leak, handling of loops
        with multiple exits and conditional handling in edge cases.
        (is_loop_exit): Fix memory leak. (Forgotten in last commit)

        * gcc.dg/graphite/scop-14.c: New.

2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
            Adrien Eliche  <aeliche@isty.uvsq.fr>

        * graphite.c (is_bb_addable): Add more comments and enhance
        readablity of the source code. Fix memory leak.
        (is_loop_exit): Fix memory leak.

2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (first_loop_in_scop): Deleted.
        (setup_cloog_loop): Only walk the loop chain for inner loops.
        (build_scop_iteration_domain): Execute setup_cloog_loop for
        all loops in the first layer.

2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scan_tree_for_params): Change the way params are
        added to be indepenent of the number of loops.
        (setup_cloog_loop): Revert to short matrix format. Fix parameter
        handling.
        (build_cloog_prog): Revert to short matrix format.

2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
            Dwarak Rajagopal <dwarak.rajagopal@amd.com>

        * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
        warning.

2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (nb_data_refs_in_scop): New.
        (graphite_transform_loops): Print more stats: number of
        loops, basic blocks and data references per scop.

2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (loop_affine_expr, idx_record_params,
        find_scop_parameters, setup_cloog_loop): Use instantiate_scev
        instead of instantiate_parameters.

2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (schedule_to_scattering): Fix scattering dimensions,
        add support for parameters, add STATIC_SCHEDULE at the right places,
        cleanup.

2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_scop_loop_nests): Only add the loops, that
        are contained completely in the SCoP.
        (build_cloog_prog): Disable scattering, until schedule_to_scattering
        and the domains are fixed.
        (build_scop_canonical_schedules): Add support for bbs not contained
        in any SCoP.

2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.h (scop_contains_loop): Update comments to match
        the actual behavior.
        (scop_contains_loop): New.
        * graphite.c (schedule_to_scattering): Use scop_contains_loop.

2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (get_bb_type): On function body, i.e. loop_0,
        don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
        as GBB_COND_HEADER.

2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_transform_loops): Early return when
        there are no loops in the function.

2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
        offset of the last loop.
        (setup_cloog_loop): Copy the entire outer constraint matrix.

2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (stmt_in_scop_p, function_parameter_p,
        invariant_in_scop_p): Removed.
        (scan_tree_for_params): Can be used with no constraint
        matrix for gathering parameters.
        (idx_record_params): Don't use idx_record_param, instead use
        scan_tree_for_params.
        (find_scop_parameters): Same.
        (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
        Fix the size of loop domains.
        (schedule_to_scattering): Exit when the outer loop is not in scop.
        (find_transform): Enable build_cloog_prog.

2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (schedule_to_scattering): Make scattering domains
        uniformly of the same size, as required by CLooG 0.14.0 and before.

2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (schedule_to_scattering): Rewrite, correct the
        translation of the scheduling function to scattering.
        (build_cloog_prog): Call schedule_to_scattering only once.
        * graphite.h (scop_loop_index): Do not fail for loops not
        in the scop: return -1.

2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
        (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
        (setup_cloog_loop): Export GBB_DOMAIN.
        (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
        able to rebuild the original control flow.
        * graphite.h (graphite_bb): Add domain field and access macro.
        (GBB_DOMAIN): New.

2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (debug_gbb): New.
        (print_scop, build_graphite_bb): Use SCOP_BBS.
        (build_scop_bbs): Reimplemented.
        (dfs_bb_in_scop_p): Removed.
        (build_scop_loop_nests): Reorder loops inserted in
        SCOP_LOOP_NEST: outer loops should come first.
        (build_scop_canonical_schedules): Reinitialize at zero
        the components of the SCOP_STATIC_SCHEDULE for the loops
        that have already been parsed.

        * graphite.h (debug_gbb): Declared.

2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
        (graphite_loop_to_gcc_loop): Removed.
        (remove_all_edges): New.
        (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
        (gloog): Remove useless code.

2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (get_bb_type): Reworked. We distinguish between
        loops with one or multiple exits.
        (is_loop_exit): New.
        (is_pred): New.
        (is_bb_addable): Rework condition handling, now support for case
        case statements and loops with multiple exits.

        * gcc.dg/graphite/scop-11.c: New.
        * gcc.dg/graphite/scop-12.c: New.
        * gcc.dg/graphite/scop-13.c: New.

2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
        we have too many colors.

2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>

        * doc/invoke.texi (-ftree-loop-fusion): Document.
        * tree-pass.h (pass_loop_fusion): Declared.
        * tree-loop-fusion.c: New.
        * timevar.def (TV_TREE_LOOP_FUSION): Declared.
        * tree-data-ref.c (find_data_references_in_loop): Make extern.
        * tree-data-ref.h (find_data_references_in_loop): Declared.
        * common.opt (ftree-loop-fusion): Declared.
        * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.

2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_access_matrix): Fix typo from the merge.

2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (130800:135673).

2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (end_scop): The exit of the scop is not part of the scop.
        Update dominators after splitting.

2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (is_bb_addable): Return the harmful statement.
        Factor up some code.
        (end_scop): New.  Splits end of scope bbs on a harmful statement.
        (build_scops_1): Call end_scop.

2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
        all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
        add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
        build_scops_1): Removed.
        (build_scops_2): Renamed build_scops_1.

2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Fix formatting.

2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (get_bb_type): New.
        (move_scops): New.
        (build_scops_2): New.
        (is_bb_addable): New.
        (build_scops): Switch the scop detection.
        (build_scop_bbs): Add entry bb to scop.
        * graphite.h (struct scop): Update comment.

2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
        more colors.

2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/scop-1.c: Update.
        * gcc.dg/graphite/scop-2.c: Update.
        * gcc.dg/graphite/scop-4.c: Update.
        * gcc.dg/graphite/scop-5.c: Add.
        * gcc.dg/graphite/scop-6.c: Add.

2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.dg/graphite/scop-0.c: Add.
        * gcc.dg/graphite/scop-7.c: Add.
        * gcc.dg/graphite/scop-8.c: Add.
        * gcc.dg/graphite/scop-9.c: Add.
        * gcc.dg/graphite/scop-10.c: Add.

2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
        Check affine expressions depending on the outermost loop
        instead of a scop.
        (stmt_simple_for_scop_p): Same.
        (harmfule_stmt_in_scop): Same.

2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
        mark entry and exit, that are not part of the SCoP and update HTML
        formatting.

2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (basic_block_simple_for_scop_p): Renamed
        harmful_stmt_in_bb.
        (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
        (add_dominators_to_open_scops, build_scops_1): Reimplemented.
        (all_preds_visited_p, all_succs_visited_p,
        start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
        scop_end_loop): New.
        (build_scops): Do not use dfs_enumerate_from.

        * gcc.dg/graphite/scop-{1,2,4}.c: Updated.

2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Add comments to functions that are missing a
        description.
        (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.

2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (nb_params_in_scop): Moved...
        (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
        (setup_cloog_loop): Call loop_body_to_cloog_stmts.
        (clast_to_gcc_expression): Reduce column size to less than 80.
        (graphite_create_iv): Return the new name of the IV.
        (find_transform): Set options->esp and options->cpp.
        (gloog): Comment out the invalidation of the old loop code.
        (initialize_dependence_polyhedron): Replace scop_nb_params with
        nb_params_in_scop.

        * graphite.h (nb_params_in_scop): ... here.
        (scop_nb_params): Removed.
        (loop_domain_dim): Return something even when the loop was not
        found in the hash table: avoid ICEing on all the graphite.exp
        testcases.

2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.

        * graphite.c (build_scop_dynamic_schedules): Schedule is built
        according to nesting level.
        (find_scop_parameters): Call instantiate_parameters.
        (scan_tree_for_params): Extend it to handle general affine bounds.
        Inner loop bound can depend on outer loop induction variable.
        (setup_cloog_loop): tmp variable is allocated on stack. Call
        instantiate_parameters with respect to outermost_loop_in_scop.
        (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
        graphite.h.
        (create_empty_loop): Function loopify should be given edge
        probability, instead of edge frequency. Dominance relation from
        switch_bb to loop_header.
        (clast_to_gcc_expression): Added handling of clast_reduction node.
        (gloog): New functionality for removing old loop.
        (test_dependence): Factored out from build_rdg_all_levels.
        (build_rdg_all_levels): Dependence testing factored out to
        test_dependence function.

        * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
        (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
        from graphite.c

2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (free_scop, param_index, initialize_cloog_names,
        nb_params_in_scop): Use name_tree map instead of just a tree
        for keeping track of the variable name associated to that tree.
        (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
        clast_to_gcc_expression, graphite_create_iv,
        graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
        graphite_stmt_to_gcc_stmt): New.
        (gloog): Call these.
        * graphite.h (struct name_tree): New.
        (struct scop): Use name_tree instead of tree for params.
        Store a vector of name_tree for new_ivs.
        (SCOP_NEWIVS): New.
        (scop_nb_params): Use name_tree instead of tree.

2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-bounds.c: New.
        * tree-bounds.h: New.
        * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
        * passes.c: Schedule pass_bounds_early, pass_bounds_late.
        * builtins.c (expand_builtin_alloca): Add flag_bounds as for
        flag_mudflap.
        * gcc.c: Same.
        * toplev.c: Same.
        * c-cppbuiltin.c: Same.
        * c-pragma.c: Same.
        * common.opt: Same.
        * varasm.c: Same.
        * tree-outof-ssa.c: Same.
        * c-common.c: Same.
        * Makefile.in: Same.

2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-distribution.c (remaining_stmts,
        upstream_mem_writes): Removed static variables.
        (copy_loop_before, create_bb_after_loop,
        mark_nodes_having_upstream_mem_writes, free_rdg_components,
        rdg_build_components, rdg_build_partitions,
        dump_rdg_partitions): Extern.
        (generate_loops_for_partition, generate_code_for_partition): Do not
        return a bool.
        (already_processed_vertex_p, predecessor_has_mem_write,
        mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
        rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
        rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
        build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
        Pass remaining_stmts and upstream_mem_writes as parameters.
        (rdg_component): Moved...
        (build_rdg_partition_for_component): Do not aggregate components when
        flag_streamize_loops is set.
        (gen_sequential_loops): New.
        (ldist_gen): Call gen_sequential_loops.

        * tree-pass.h (pass_loop_streamization): Declared.

        * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
        basic blocks when loops structures exist.

        * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.

        * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.

        * tree-parloops.c (take_address_of, eliminate_local_variables_1,
        eliminate_local_variables_stmt, eliminate_local_variables,
        separate_decls_in_loop_name, separate_decls_in_loop_stmt,
        separate_decls_in_loop, gen_parallel_loop): Make them work on a region
        of code delimited by two edges in the CFG.
        (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
        (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
        (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
        the case of parallelisation of reductions.
        (create_loop_fn): Extern.
        (create_omp_parallel_region): New.

        * tree-data-ref.c (dump_data_dependence_relation): Don't call
        dump_data_reference for printing dra and drb.
        (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
        RDGE_RELATION.
        (build_rdg): Don't call free_dependence_relations for the moment, as
        we attach dependence relations on each edge of the RDG.
        To be fixed later.

        * tree-data-ref.h (rdg_component): ...here.
        (struct rdg_edge): New field ddr_p relation.
        (RDGE_RELATION): New.
        (create_bb_after_loop, copy_loop_before,
        mark_nodes_having_upstream_mem_writes, rdg_build_components,
        rdg_build_partitions, dump_rdg_partitions,
        free_rdg_components): Declared.

        * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
        BUILT_IN_GOMP_STREAM_ALIGN_POP): New.

        * tree-loop-streamization.c: New.

        * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
        create_omp_parallel_region, expr_invariant_in_region_p): Declared.

        * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.

        * tree-cfg.c (gather_blocks_in_sese_region): Extern.

        * passes.c: Schedule pass_loop_streamization.

2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
        update comment.

2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops): Update formatting.
        Bbs can now be part of more than one SCoP.

2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
        malloc problems.
        (loop_domain_dim): Check for unregistered toplev SCOP loop.
        * graphite.h (loop_to_cloog_loop): New.

2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c (loop_domain_dim, ref_nb_loops,
        loop_iteration_vector_dim): New.
        (build_access_matrix_with_af, build_access_matrix,
        initialize_dependence_polyhedron): Fixed for new matrix layout.
        No longer assume that all iteration domains are of the same
        dimensionality.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
        defined in a loop at depth 0 is invariant.
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
        be called at loop depth 0.

        * graphite.c (basic_block_simple_for_scop_p): Take the scop as
        a parameter.
        (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
        (down_open_scop): Removed.
        (loop_in_scop_p): Redefined.
        (scop_affine_expr): New argument: scop.
        (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
        a harmful statement ending a scop.
        (basic_block_simple_for_scop_p): New argument: scop.
        (get_loop_start): Removed.
        (new_scop): Initialize SCOP_LOOPS.
        (free_scop): Free SCOP_LOOPS.
        (succs_at_same_depth, preds_at_same_depth): New.
        (end_scop): Test the validity of a scop.
        (add_dominators_to_open_scops): New.
        (test_for_scop_bound): Call add_dominators_to_open_scops.
        Add cases for opening and closing multiple scops.
        (build_scops, build_scop_bbs): Iterate over basic blocks in
        depth first order.
        (build_graphite_bb): Pass scop directly.
        (dfs_bb_in_scop_p): New.
        (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
        several times.
        (nb_loops_around_gb): Use loop_in_scop_p.
        (schedule_to_scattering): Disabled for the moment the code computing
        the "textual order for outer loop".

        * graphite.h (struct scop): New field loops.
        (SCOP_LOOPS): New.
        (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.

        * gcc.dg/graphite/scop-{1,...,7}.c: Updated.

2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
        * common.opt (fstreamize-loops): New.
        * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
        BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
        BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
        BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.

2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * tree-data-ref.c (build_empty_rdg): New.
        (build_rdg): Use it.
        * tree-data-ref.h (build_empty_rdg): Declared.
        * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
        (find_vertex_for_stmt): Removed.
        (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.

2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-distribution.c (generate_builtin): After cancelling the
        loop tree, also delete basic blocks.
        (rdg_flag_uses): Stop recursion when a vertex has already been
        processed.

2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c (build_scop_alpha): Removed.
        (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
        and dump_dependence_graph to avoid compiler warnings.

2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
        * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
        * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
        eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
        (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
        (initialize_dependence_polyhedron, find_vertex_for_stmt,
        initialize_data_dependence_polyhedron, is_empty_polyhedron,
        statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
        dump_dependence_graph): New.
        * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
        (GBB_ALPHA): New.
        (struct scop): New field loop2cloog_loop.
        (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
        RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.

2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c (build_graphite_bb): Fix initialization
        of the graphite basic block.

2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (scan_tree_for_params): Rewrite for the new layout of
        loop domain matrix.  Pass in the number of loops contained in the
        constraint matrix.
        (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
        (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
        loops that are not surrounding the current loop are not represented
        in the domain constraint matrix.
        (build_scop_iteration_domain): Initial domain constraint matrix
        contains only the eq/ineq, cst, and scop parameters columns.

2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
        (print_graphite_bb): Print scattering.

2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (initialize_cloog_names): Initialize names of
        scattering variables.

2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops_1): Disable debug output while
        printing graph.

2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (find_transform): Change cloog output language to C.

2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-distribution.c (generate_memset_zero,
        generate_builtin, generate_code_for_partition,
        rdg_flag_all_uses): New.
        (rdg_flag_uses): Gather in the same partition the statements defining
        the VUSES of the current statement.
        (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
        Gather in the same partition not only the stores to the same memory
        access, but also the reads.
        (ldist_generate_loops): Renamed ldist_gen.

2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (setup_cloog_loop): Chain all cloog loops with the
        next pointer, don't use the inner pointer.

2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (dot_all_scops, dot_all_scops_1): New.
        (find_transform): Call dot_all_1.
        * graphite.h (dot_all_scops): Declared.

2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-distribution.c: Fix apsi.f ICE.
        (create_bb_after_loop): New.
        (generate_loops_for_partition): Use it.
        * gfortran.dg/ldist-1.f90: New.

        * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
        * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.

2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (find_transform): Dump cloog program sent to cloog.

2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (initialize_cloog_names): Initialize cloog
        iterator names.

2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>

        * graphite.c (build_scop_context): Fix typo, for the matrix
        format: insert '0 >= 0' instead of '-1 >= 0'.

2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>

        * Fix merge problems.

2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (setup_cloog_loop): Fix typo.

2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-ftree-loop-distribution): Documented.
        * tree-loop-distribution.c: Reimplemented.
        * tree-pass.h (pass_loop_distribution): New.
        * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
        print_loops.
        * graphds.h (struct graph): New field indexes.
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.

        * tree-vect-analyze.c: Remove declaration of static functions when not
        needed.
        * tree-vectorizer.c: Same.
        (rename_variables_in_loop): Now extern.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
        tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
        calling redirect_edge_and_branch_force.

        * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.

        * tree-data-ref.c: Don't include tree-chrec.h.
        (debug_data_dependence_relations): New.
        (dump_data_dependence_relation): Call dump_data_reference on data refs
        in the relation.
        (same_access_functions): Moved...
        (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
        struct rdg_vertex_info, ): New.
        (create_rdg_edge_for_ddr): Compute the dependence level before looking
        at DDR_REVERSED_P.
        (create_rdg_vertices): Initialize the htab of graph->indexes.
        Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
        (stmts_from_loop): Don't save LABEL_EXPR.
        (hash_stmt_vertex_info, eq_stmt_vertex_info,
        hash_stmt_vertex_del): New.
        (build_rdg): Initialize rdg->indexes.
        (free_rdg, stores_from_loop, ref_base_address,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
        have_similar_memory_accesses_1, ref_base_address_1,
        remove_similar_memory_refs): New.

        * tree-data-ref.h: Include tree-chrec.h.
        (debug_data_dependence_relations): Declared.
        (same_access_functions): ...here.  Now static inline.
        (ddr_is_anti_dependent, ddrs_have_anti_deps,
        ddr_dependence_level): New.
        (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
        (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
        RDG_MEM_READS_STMT): New.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
        rdg_vertex_for_stmt): Declared.
        (struct rdg_edge): New field level.
        (RDGE_LEVEL, free_rdg): New.
        (stores_from_loop, remove_similar_memory_refs,
        rdg_defs_used_in_other_loops_p,
        have_similar_memory_accesses): Declared.
        (rdg_has_similar_memory_accesses): New.

        * lambda.h (dependence_level): New.
        * common.opt (ftree-loop-distribution): New.
        * tree-flow.h (debug_loop_ir): Renamed debug_loops.
        (print_loop_ir): Renamed print_loops.
        (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
        tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
        * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
        (tree-loop-distribution.o): Added.
        * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
        (mark_virtual_ops_in_bb): New.
        (print_loops_bb, debug_loop_num, debug_loop): New.
        * passes.c: Scheduled pass_loop_distribution.

2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>

        * graphite.c (scan_tree_for_params): Correct the number of columns
        for polylib format.
        (nb_flat_iterator): New.
        (setup_cloog_loop): Initialize to 1 the first column for inequalities.
        (build_scop_iteration_domain): Correct the number of columns for
        polylib format.

2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (129697:130800).

2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_graphite_bb): SCoP's basic blocks are post
        dominated by SCoP's exit.
        (graphite_transform_loops): Compute post dominators.

2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>

        * Merge from mainline (127169:129697).

2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
        parameter for the basic block that contains the expression.  Use
        outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
        (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
        the expression.
        * graphite.h (gbb_loop): New.
        (GBB_LOOP): Removed.

2007-08-03  Sebastian Pop  <sebpop@gmail.com>

        * Makefile.in: Fix merge problem.

2007-08-03  Sebastian Pop  <sebpop@gmail.com>

        * Merge from mainline (125309:127169).
        * tree-loop-distribution.c: Disabled.

2007-06-05  Sebastian Pop  <sebpop@gmail.com>

        * Merge from mainline (r123693:125309).

2007-05-30  Sebastian Pop  <sebpop@gmail.com>

        * tree-loop-distribution.c (correct_modify_expr_p): Renamed
        correct_modify_p
        (correct_modify_p, check_statements, number_of_lvalue_uses,
        number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
        instead of MODIFY_EXPR.
        (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
        and push new edges.

2007-05-24  Sebastian Pop  <sebpop@gmail.com>

        * tree-loop-distribution.c (struct rdg): Replace arrays by
        VECs for edges and vertices.
        (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
        (RDGV_NB_PARTITIONS): New.
        (PRDG_NBV, PRDG_NBE): Removed.
        (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
        dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
        number_of_scalar_dependences, create_edges, build_rdg): Use VECs.

2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
            Sebastian Pop  <sebpop@gmail.com>

        * doc/invoke.texi (-ftree-loop-distribution): Document.
        * tree-loop-distribution.c: New file.
        * tree-pass.h (pass_loop_distribution): Declared.
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
        * tree-data-ref.c (initialize_data_dependence_relation): Initialize
        and set reversed_p.
        * tree-data-ref.h (data_dependence_relation): Add reversed_p.
        (DDR_REVERSED_P): New.
        * common.opt (-ftree-loop-distribution): New.
        * tree-flow.h (distribute_loops): Declared.
        * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
        * passes.c (init_optimization_passes): Schedule loop distribution.

2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * graphite.c (print_graphite_bb): Don't call dump_data_references.
        (print_scop): Don't print when scop is NULL.
        (build_scop_context, find_transform): Don't output to stderr.

2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>

        * tree-data-ref.c: Don't include graphite.h.
        Comment out the code for printing data reference's scop.
        (build_access_matrix_with_af): Moved...
        * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
        * graphite.c (build_access_matrix_with_af): ... here.  Now static.
        (print_graphite_bb): Print basic block's schedule.
        (print_scop): Don't print the schedule, call cloog's pretty printer.
        (bb_in_scop_p): A basic block is in a scop only if it is both
        dominated and postdominated by the scop's entry and exit basic blocks.
        (function_parameter_p): New.
        (invariant_in_scop_p): Use function_parameter_p.
        (new_scop, save_scop): New.
        (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
        save_scop.
        (scan_tree_for_params): Directly build the constraint as CloogMatrix.
        (loop_in_scop_p): New.
        (scop_record_loop): Use loop_in_scop_p.
        (build_scop_domain): Renamed build_scop_iteration_domain.
        (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
        nb_params_in_scop, build_scop_context, first_loop_in_scop,
        setup_cloog_loop, dot_scop_1, dot_scop): New.
        * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
        (struct scop): Add a pointer to cloog's representation of a program.

2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>

        * doc/invoke.texi (-ftree-check-verbose): Renamed
        -ftree-checks-verbose.
        * common.opt (flag_tree_check_verbose): Renamed
        flag_tree_checks_verbose.
        * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.

2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>

        * configure: Regenerated.
        * config.in: Regenerated.
        * tree-ssa-loop.c (graphite_transforms): Execute
        graphite_transform_loops only when HAVE_cloog.
        * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
        * graphite.c: Include polylibgmp.h and cloog.h.
        (graphite_transform_loops): Removed loops parameter.
        * tree-flow.h (graphite_transform_loops): Update declaration.
        * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
        (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
        (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
        (OBJS-common): Remove dependence on graphite.o.
        (BACKEND): Depend on @GRAPHITE@.

2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>

        * doc/invoke.texi (-ftree-check-verbose): Documented.
        * gcc.dg/tree-checker/tree-checks-1.c: New.
        * gcc.dg/tree-checker/tree-checks-2.c: New.
        * gcc.dg/tree-checker/tree-checks-3.c: New.
        * gcc.dg/tree-checker/tree-checks-4.c: New.
        * gcc.dg/tree-checker/tree-checks.exp: New.
        * gcc.dg/tree-checker/condates.crp: New.
        * common.opt (ftree-checks-verbose): New.
        * tree-check.c (tree_check_warning): Move extra stderr output
        under control of flag_tree_check_verbose.

2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * tree-match.c: Fix comments formatting.
        * tree-match.h: Fix comments formatting.
        * tree-check.c: Fix comments formatting.
        (tree_check_init): Restructure.

2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>

        * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.

2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>

        * Merge from mainline (r120733:123693).

2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>

        * condate.y: New file.
        * tree-match.h (struct patt_info_s): New field sign.
        (struct condate_s): New field msg.
        (normalize_condate, name_condate, add_condate): New.
        (conds[], condate_parse): Made extern.
        * tree-check.c (tree_check_warning): First arg changed to cond;
        warning reformatted.
        (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
        (tree_scan): New.
        (tree_check): Process trivial condates.
        (read_delimited_string): Removed.
        (print_cond): Print name and msg.
        (conds[]): Made extern.
        (parse_tree_check_file_once): Rewritten to use the parser in
        condate.y.
        Processing of option --tree_check_string moved to tree_scan().
        * Makefile.in: Added condate.y

2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
        Use VECs instead of varrays.
        * diagnostic.h (lazy_dump_generic_node): Update declaration.
        * Makefile.in (pretty-print.o): Depend on vec.h.
        * pretty-print.c: Include tree.h and vec.h.
        (pp_clear_state, pp_write_list_to_stream, pp_base_format,
        pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
        new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
        pp_free_list): Use VECs instead of varrays.
        * pretty-print.h: Do not include varray.h.
        (struct tree_chunk_s): Declaration moved before its use.
        (output_buffer): Rename varray field to chunks.
        * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
        tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
        save_global_holes): Use VECs instead of varrays.
        * tree-match.h: Declare VECs of cfg_node, and hole_p.
        * tree-check.c (scan_cfg_stmts, push_node,
        print_matching_stmt): Removed.
        (tree_check_instance, push_global_holes_if_new, tree_check,
        execute_tree_check): Use VECs instead of varrays.
        (gate_tree_check): Don't execute the CFG check when basic_block_info
        is not available.

2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * Merge from mainline (r115016:120733).

2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * Merge from mainline (r117632:117661).

2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
        * tree-pass.h (TDF_DEBUG, debug_p): New.
        * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
        get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
        get_loop_exit_condition, analyze_evolution_in_loop,
        analyze_initial_condition, analyze_scalar_evolution,
        instantiate_parameters, number_of_latch_executions): Use debug_p.
        * tree-chrec.c (chrec_apply): Use debug_p.
        * tree-data-ref.c: Include graphite.h.
        (dump_data_reference): Print also the access matrix.
        (analyze_array, analyze_indirect_ref, init_data_ref,
        analyze_offset_expr, address_analysis, object_analysis,
        create_data_ref, finalize_ddr_dependent,
        non_affine_dependence_relation, analyze_ziv_subscript,
        analyze_siv_subscript_cst_affine,
        compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
        can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
        analyze_miv_subscript, analyze_overlapping_iterations,
        build_classic_dist_vector, subscript_dependence_tester,
        compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
        (build_access_matrix_with_af): No longer static.
        * tree-data-ref.h (scop_p): ... declaration here.
        (data_reference.scop): New field.
        (DR_SCOP, DR_ACCESS_MATRIX): New.
        (build_access_matrix_with_af, dr_num_subscripts): Declared.
        * graphite.c (print_graphite_bb): Call dump_data_references.
        (print_scop): Use scop_nb_loops and scop_dim_domain.
        (test_for_scop_bound): Use debug_p.
        (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
        scop_nb_params.
        (scop_loop_index): Moved...
        (scop_record_loop): New.
        (build_scop_loop_nests): Use scop_record_loop.
        (build_scop_domain): Use scop_dim_domain.
        (build_access_matrix): Implemented.
        (build_scop_canonical_schedules): Use scop_nb_loops.
        (build_graphite_bb): Initialize GBB_SCOP.
        * graphite.h (scop_p): Moved...
        (graphite_bb.scop): New field.
        (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
        scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
        SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
        (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
        scop_loop_index): New.
        * Makefile.in (tree-data-ref.o): Depends on graphite.h.

2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>

        * Merge from mainline (r117661:120450).

2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>

        * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
        at the first declaration outside the varying loop, instantiate as
        far as possible.
        * tree-chrec.c (for_each_scev_op): New.
        * tree-chrec.h (for_each_scev_op): Declared.
        * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
        * tree-data-ref.c (get_references_in_stmt,
        find_data_references_in_stmt): New, from trunk.
        (find_data_references_in_loop): Use get_references_in_stmt
        and find_data_references_in_loop, modified as in trunk.
        (build_access_matrix_with_af): New.
        * tree-data-ref.h (data_reference): Add a field access_matrix.
        (data_ref_loc): New, as in trunk.
        * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
        invariant_in_scop_p, param_index, scan_tree_for_params,
        scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
        idx_record_param, idx_record_params, build_access_matrix,
        build_scop_data_accesses, build_scop_canonical_schedules,
        build_graphite_bb, build_scop_bbs, find_params_in_bb,
        build_scop_params): New.
        * graphite.h (graphite_bb): New.
        (scop): Add fields static_schedule, params, loop_nest,
        iteration_domain.
        * lambda.h: Declare vecs of lambda_matrix.
        * tree-flow.h (print_loop_ir_bb): Declared.
        * tree-cfg.c (print_loop_ir_bb): New.
        (print_loop): Use print_loop_ir_bb.

2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>

        * Merge from mainline (r115016:117632).

2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>

        * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
        break due to a warning.

2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>

        * graphite.c (print_scops, debug_scops): New.
        (graphite_transform): Renamed graphite_find_transform.
        * graphite.h (debug_scops): Declared.

2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-match.c: Reformat following the GNU style.
        * tree-match.h: Reformat following the GNU style.
        * tree-pattern.h: Removed empty file.
        * Makefile.in: Remove references to tree-pattern.h.
        * tree-check.c: Reformat following the GNU style.
        (execute_tree_check): Move gate condition code to...
        (gate_tree_check): ...here.  New function.
        (pass_check): Use the gate function.

2006-07-04  Nic Volanschi <nic.volanschi@free.fr>

        * tree-pattern.h: New. Tree pattern matching and checking using
        concrete syntax.
        * tree-check.c: New. Tree/CFG checking pass.
        * tree-match.c: New. Library for tree pattern matching.
        * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
        * toplev.c, flags.h: Add globals for tree-check pass.
        * Makefile.in: Integrate the files in tree-check pass.
        * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
        * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
        Introduce a "lazy" pretty-print mode.
        * tree.c, tree.h: Add tree_name.

2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>

        * doc/invoke.texi (-fgraphite): Correct typo.
        * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
        use of print_loop_ir.
        * gcc.dg/graphite/scop-1.c: New.
        * gcc.dg/graphite/scop-2.c: New.
        * gcc.dg/graphite/graphite.exp: New.
        * graphite.c: Include domwalk.h.
        (print_scop): Print only the entry and exit blocks.
        (debug_scop): No longer static.
        (affine_expr): Fix formating.  Return also true when the expression is
        constant.
        (stmt_simple_for_scop_p): Fix formating.
        (build_scops): Use domwalk.
        (get_loop_start, end_scop, test_for_scop_bound): New.
        (graphite_transform_loops): Avoid printing on stderr.
        * graphite.h (debug_scop): Declared.
        * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
        * Makefile.in (graphite.o): Depend on domwalk.h.
        * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
        declarations for static functions.
        (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
        controlling output verbosity.

2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
            Plesco Alexandru  <shurikx@gmail.com>

        * doc/invoke.texi (-fgraphite): Document.
        * tree-pass.h (pass_graphite_transforms): Declared.
        * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
        * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
        (pass_graphite_transforms): Defined.
        * tree-data-ref.c (free_data_ref, data_reference): Extern.
        * tree-data-ref.h (free_data_ref, data_reference): Declared.
        * graphite.c, graphite.h: New.
        * common.opt (fgraphite): Declared.
        * tree-flow.h (graphite_transform_loops): Declared.
        * Makefile.in (OBJS-common): Add graphite.o.
        (graphite.o): New rule.
        * passes.c (pass_graphite_transforms): Scheduled.