Cherry-pick: PR tree-optimization/65447

commit ad478851f7dd45438a9b33ecd7f30a4e6ab00388
Author: amker <amker@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Wed May 20 05:15:56 2015 +0000

        PR tree-optimization/65447
        * tree-ssa-loop-ivopts.c (struct iv_use): New fields.
        (dump_use, dump_uses): Support to dump sub use.
        (record_use): New parameters to support sub use.  Remove call to
        dump_use.
        (record_sub_use, record_group_use): New functions.
        (compute_max_addr_offset, split_all_small_groups): New functions.
        (group_address_uses, rewrite_use_address): New functions.
        (strip_offset): New declaration.
        (find_interesting_uses_address): Call record_group_use.
        (add_candidate): New assertion.
        (infinite_cost_p): Move definition forward.
        (add_costs): Check INFTY cost and return immediately.
        (get_computation_cost_at): Clear setup cost and dependent bitmap
        for sub uses.
        (determine_use_iv_cost_address): Compute cost for sub uses.
        (rewrite_use_address_1): Rename from old rewrite_use_address.
        (free_loop_data): Free sub uses.
        (tree_ssa_iv_optimize_loop): Call group_address_uses.

        gcc/testsuite
        PR tree-optimization/65447
        * gcc.dg/tree-ssa/pr65447.c: New test.

    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223433 138bc75d-0d04-0410-961f-82ee72b054a4

0 files changed, 0 insertions, 0 deletions