[Bug tree-optimization/85143] Loop limit prevents (auto)vectorization

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85143

--- Comment #6 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Tue May  1 21:41:05 2018
New Revision: 259812

URL: https://gcc.gnu.org/viewcvs?rev=259812&root=gcc&view=rev
Log:
Generalize a<b&a<c -> a<min(b,c)

2018-05-01  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/85143
gcc/
        * match.pd (A<B&A<C): Extend to BIT_IOR_EXPR.

gcc/testsuite/
        * gcc.dg/tree-ssa/minmax-loopend.c: Extend and split...
        * gcc.dg/tree-ssa/minmax-loopend-2.c: ... here.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/minmax-loopend-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/minmax-loopend.c