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| author | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2004-06-16 13:39:49 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2004-06-16 13:39:49 +0000 |
| commit | 8a78744fcf2fe2a787ca0315dc6ab80a03c4db6a (patch) | |
| tree | 98cec9a616c251331ab6174ac98fada5ebe4d5d7 | |
| parent | f11e087ed68f35e0f3dc65937283226a3a323f3c (diff) | |
| download | gcc-8a78744fcf2fe2a787ca0315dc6ab80a03c4db6a.zip gcc-8a78744fcf2fe2a787ca0315dc6ab80a03c4db6a.tar.gz gcc-8a78744fcf2fe2a787ca0315dc6ab80a03c4db6a.tar.bz2 | |
re PR tree-optimization/15993 ([lno] Compiler hangs at -O3)
PR tree-optimization/15993
* tree-ssa-dom.c (thread_across_edge): Do not thread edge if its
destination is unchanged.
From-SVN: r83242
| -rw-r--r-- | gcc/tree-ssa-dom.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 20dbb7b..3a0c1aa 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -924,7 +924,7 @@ thread_across_edge (struct dom_walk_data *walk_data, edge e) edge taken_edge = find_taken_edge (e->dest, cached_lhs); basic_block dest = (taken_edge ? taken_edge->dest : NULL); - if (dest == e->src) + if (dest == e->dest) return; /* If we have a known destination for the conditional, then |