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authorAndrew Trick <atrick@apple.com>2012-01-06 21:23:43 +0000
committerAndrew Trick <atrick@apple.com>2012-01-06 21:23:43 +0000
commit3326ec18423716da3a768caae2691e7858913548 (patch)
treecb0dd6815f64d3a8f91fc040baf33cd227609f93 /lib/Analysis/ScalarEvolutionExpander.cpp
parentb937b76045d4442165009c8e6276c7c8df9efa78 (diff)
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SCEVExpander: hoistStep should check strict dominance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147683 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolutionExpander.cpp')
-rw-r--r--lib/Analysis/ScalarEvolutionExpander.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 0a3cda998f..b9c2304b31 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -1564,7 +1564,7 @@ bool SCEVExpander::hoistStep(Instruction *IncV, Instruction *InsertPos,
for (User::op_iterator OI = IncV->op_begin(), OE = IncV->op_end();
OI != OE; ++OI) {
Instruction *OInst = dyn_cast<Instruction>(OI);
- if (OInst && !DT->dominates(OInst, InsertPos))
+ if (OInst && (OInst == InsertPos || !DT->dominates(OInst, InsertPos)))
return false;
}
IncV->moveBefore(InsertPos);