[Bug tree-optimization/68327] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu in vect_is_simple_use, at tree-vect-stmts.c:8562

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68327

--- Comment #4 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Mon Nov 23 10:01:51 2015
New Revision: 230743

URL: https://gcc.gnu.org/viewcvs?rev=230743&root=gcc&view=rev
Log:
gcc/

        PR tree-optimization/68327
        * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
        compute vectype for non-relevant mask producers.
        * gcc/tree-vect-stmts.c (vectorizable_comparison): Check stmt
        relevance earlier.

gcc/testsuite/

        PR tree-optimization/68327
        * gcc.dg/pr68327.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr68327.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-stmts.c