2018-05-18 Richard Biener <rguenther@suse.de>
commitee1b405f3c5e1fb9ca503990882a1b57726c6d8e
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 18 May 2018 10:12:20 +0000 (18 10:12 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 18 May 2018 10:12:20 +0000 (18 10:12 +0000)
treefd645ec37779713599dd830519f77baa421a0e2a
parentbe7e9ea57347b5f4fa15b1853ad0da7be728dbff
2018-05-18  Richard Biener  <rguenther@suse.de>

* tree-dfa.c (get_ref_base_and_extent): Use range-info to refine
results when processing array refs with variable index.

* gcc.dg/tree-ssa/ssa-dse-35.c: New testcase.
* gcc.dg/graphite/scop-10.c: Adjust to avoid dead code.
* gcc.dg/graphite/scop-6.c: Likewise.
* gcc.dg/graphite/scop-7.c: Likewise.
* gcc.dg/graphite/scop-8.c: Likewise.
* gcc.dg/graphite/scop-9.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260354 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/graphite/scop-10.c
gcc/testsuite/gcc.dg/graphite/scop-6.c
gcc/testsuite/gcc.dg/graphite/scop-7.c
gcc/testsuite/gcc.dg/graphite/scop-8.c
gcc/testsuite/gcc.dg/graphite/scop-9.c
gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-35.c [new file with mode: 0644]
gcc/tree-dfa.c