[Bug tree-optimization/70729] Loop marked with omp simd pragma is not vectorized

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70729

--- Comment #27 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Wed Jun 29 10:16:43 2016
New Revision: 237844

URL: https://gcc.gnu.org/viewcvs?rev=237844&root=gcc&view=rev
Log:
gcc/

2016-06-29  Yuri Rumyantsev  <ysrum...@gmail.com>

        PR tree-optimization/70729
        * tree-ssa-loop-im.c (ref_indep_loop_p_1): Consider memory reference as
        independent in loops having positive safelen value.
        * tree-vect-loop.c (vect_transform_loop): Clear-up safelen value since
        it may be not valid after vectorization.

gcc/testsuite/

2016-06-29  Yuri Rumyantsev  <ysrum...@gmail.com>

        PR tree-optimization/70729
        * g++.dg/vect/pr70729.cc: New test.

Added:
    trunk/gcc/testsuite/g++.dg/vect/pr70729.cc
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-im.c
    trunk/gcc/tree-vect-loop.c