diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-13 10:59:49 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-13 10:59:49 +0000 |
| commit | db0dd9ee64c88178e5879843731ea05385137e5e (patch) | |
| tree | cf8a861aaf4a005a74183f99364421885cabbbe6 /gcc/tree-ssa-dom.c | |
| parent | 2493c695f40c37b8ef7bd0addd8454f05c5a24d9 (diff) | |
| download | gcc-db0dd9ee64c88178e5879843731ea05385137e5e.tar.gz | |
2015-05-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/66123
* tree-ssa-dom.c (propagate_rhs_into_lhs): Check if we found
a taken edge.
* gcc.dg/torture/pr66123.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223130 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 14f3e9ef928..42324ee6214 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -2918,6 +2918,9 @@ propagate_rhs_into_lhs (gimple stmt, tree lhs, tree rhs, bitmap interesting_name { basic_block bb = gimple_bb (use_stmt); edge te = find_taken_edge (bb, val); + if (!te) + continue; + edge_iterator ei; edge e; gimple_stmt_iterator gsi; |