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Diffstat (limited to 'llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp')
-rw-r--r--llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp b/llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp
index 8f106c57b43..9f358e1d60a 100644
--- a/llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp
+++ b/llvm/lib/Transforms/Utils/SSAUpdaterBulk.cpp
@@ -57,7 +57,7 @@ bool SSAUpdaterBulk::HasValueForBlock(unsigned Var, BasicBlock *BB) {
Value *SSAUpdaterBulk::computeValueAt(BasicBlock *BB, RewriteInfo &R,
DominatorTree *DT) {
if (!R.Defines.count(BB)) {
- if (PredCache.get(BB).size()) {
+ if (DT->isReachableFromEntry(BB) && PredCache.get(BB).size()) {
BasicBlock *IDom = DT->getNode(BB)->getIDom()->getBlock();
R.Defines[BB] = computeValueAt(IDom, R, DT);
} else
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