[Bug tree-optimization/43434] Missed vectorization: "not vectorized: data ref analysis": pointer incremented by a parameter

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43434

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Apr 18 13:09:53 2016
New Revision: 235147

URL: https://gcc.gnu.org/viewcvs?rev=235147&root=gcc&view=rev
Log:
2016-04-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/43434
        * tree-ssa-structalias.c (struct vls_data): New.
        (visit_loadstore): Handle all pointer-based accesses.
        (compute_dependence_clique): Compute a bitmap of restrict tags
        assigned bases and pass it to visit_loadstore.

        * gcc.dg/vect/pr43434.c: New testcase.
        * c-c++-common/goacc/kernels-alias-3.c: Adjust.
        * c-c++-common/goacc/kernels-alias-4.c: Likewise.
        * c-c++-common/goacc/kernels-alias-5.c: Likewise.
        * c-c++-common/goacc/kernels-alias-6.c: Likewise.
        * c-c++-common/goacc/kernels-alias-7.c: Likewise.
        * c-c++-common/goacc/kernels-alias-8.c: Likewise.
        * gcc.dg/gomp/pr68640.c: Likewise.
        * gfortran.dg/goacc/kernels-alias-3.f95: Likewise.
        * gfortran.dg/goacc/kernels-alias-4.f95: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr43434.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-3.c
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-4.c
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-5.c
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-6.c
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-7.c
    trunk/gcc/testsuite/c-c++-common/goacc/kernels-alias-8.c
    trunk/gcc/testsuite/gcc.dg/gomp/pr68640.c
    trunk/gcc/testsuite/gfortran.dg/goacc/kernels-alias-3.f95
    trunk/gcc/testsuite/gfortran.dg/goacc/kernels-alias-4.f95
    trunk/gcc/tree-ssa-structalias.c