diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-11-17 10:43:21 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-11-17 10:43:21 +0000 |
| commit | 01631cfb28a1ae100fb3f50aeacea6ce92d2cb68 (patch) | |
| tree | 8a3856ee19be9fd261934bc468d94768c6bd420d /gcc/tree-ssa-dce.c | |
| parent | ab10d69dec2ac025bf68fb1a18fad9f7444d97de (diff) | |
| download | gcc-01631cfb28a1ae100fb3f50aeacea6ce92d2cb68.tar.gz | |
2010-11-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46498
* tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166861 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dce.c')
| -rw-r--r-- | gcc/tree-ssa-dce.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c index a1a51914fa6..a9c886f0a8f 100644 --- a/gcc/tree-ssa-dce.c +++ b/gcc/tree-ssa-dce.c @@ -1408,6 +1408,8 @@ perform_tree_ssa_dce (bool aggressive) struct edge_list *el = NULL; bool something_changed = 0; + calculate_dominance_info (CDI_DOMINATORS); + /* Preheaders are needed for SCEV to work. Simple lateches and recorded exits improve chances that loop will proved to be finite in testcases such as in loop-15.c and loop-24.c */ |