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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-10 12:20:36 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-10 12:20:36 +0000 |
| commit | fca2aa676599d1c16b1e5a95fb8bac7bef0232af (patch) | |
| tree | 6d5a0374956e898ec63d7024bc819ef828c737b8 /gcc/tree-ssa-loop-ivcanon.c | |
| parent | 432dd330807c633428562eb7d66ede067fd87262 (diff) | |
| download | gcc-fca2aa676599d1c16b1e5a95fb8bac7bef0232af.tar.gz | |
2013-05-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/57214
* tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling): Do
not propagate from SSA names that occur in abnormal PHI nodes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198773 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index c57e4f6a30d..b5751cb7f7f 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -1085,8 +1085,9 @@ propagate_constants_for_unrolling (basic_block bb) tree lhs; if (is_gimple_assign (stmt) + && gimple_assign_rhs_code (stmt) == INTEGER_CST && (lhs = gimple_assign_lhs (stmt), TREE_CODE (lhs) == SSA_NAME) - && gimple_assign_rhs_code (stmt) == INTEGER_CST) + && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (lhs)) { propagate_into_all_uses (lhs, gimple_assign_rhs1 (stmt)); gsi_remove (&gsi, true); |