* tree-vect-data-refs.c (vect_no_alias_p): New function.
commita5af7a7504e94203be808b0d796bd76e3cfe69e8
authoramker <amker@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 13 Jul 2016 15:06:40 +0000 (13 15:06 +0000)
committeramker <amker@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 13 Jul 2016 15:06:40 +0000 (13 15:06 +0000)
treeda48e610f52224f60624eb2d668dad26e54d3861
parentc6bcae017e1fda58cbab035f3a10f38f3551b16c
* tree-vect-data-refs.c (vect_no_alias_p): New function.
(vect_prune_runtime_alias_test_list): Call vect_no_alias_p to
resolve alias checks which are known at compilation time.
Truncate vector LOOP_VINFO_MAY_ALIAS_DDRS(loop_vinfo) if all
alias checks are resolved.  Move dump info for too many runtime
alias checks to here...
* tree-vect-loop.c (vect_analyze_loop_2): ...From here.

gcc/testsuite
* gcc.dg/vect/vect-35-big-array.c: Refine comment and test.
* gcc.dg/vect/vect-35.c: Ditto.
* gcc.dg/vect/vect-alias-check-2.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238301 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/vect/vect-35-big-array.c
gcc/testsuite/gcc.dg/vect/vect-35.c
gcc/testsuite/gcc.dg/vect/vect-alias-check-2.c [new file with mode: 0644]
gcc/tree-vect-data-refs.c
gcc/tree-vect-loop.c