[Bug tree-optimization/66142] Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66142

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri May 29 13:06:23 2015
New Revision: 223863

URL: https://gcc.gnu.org/viewcvs?rev=223863&root=gcc&view=rev
Log:
        PR tree-optimization/66142
        * tree-if-conv.c (if_convertible_phi_p): Don't give up on
        virtual phis that feed themselves.

        * gcc.dg/vect/pr66142.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr66142.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c