diff options
author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 16:58:17 +0000 |
---|---|---|
committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-02-07 16:58:17 +0000 |
commit | 8f190c8a91e3d1e682ba1163a9533f9217dd5425 (patch) | |
tree | 97360474f30c6761309e34c3f16854fbc0320127 /gcc/tree-ssa-pre.c | |
parent | 5825ec3f7115c8e7bdb829fed049300532a8666b (diff) | |
download | gcc-8f190c8a91e3d1e682ba1163a9533f9217dd5425.tar.gz |
2011-02-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47615
* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
(run_scc_vn): Initialize it.
(visit_reference_op_load): Use it.
* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
* g++.dg/opt/pr47615.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169888 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-pre.c')
-rw-r--r-- | gcc/tree-ssa-pre.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e179c4f587b..00ff8cc1ab5 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -4853,7 +4853,7 @@ execute_pre (bool do_fre) if (!do_fre) loop_optimizer_init (LOOPS_NORMAL); - if (!run_scc_vn ()) + if (!run_scc_vn (do_fre ? VN_WALKREWRITE : VN_WALK)) { if (!do_fre) loop_optimizer_finalize (); |