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-rw-r--r--lib/Transforms/IPO/MergeFunctions.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp
index f037c4fa20..9c8592e8eb 100644
--- a/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/lib/Transforms/IPO/MergeFunctions.cpp
@@ -188,7 +188,8 @@ static bool
isEquivalentOperation(const Instruction *I1, const Instruction *I2) {
if (I1->getOpcode() != I2->getOpcode() ||
I1->getNumOperands() != I2->getNumOperands() ||
- !isEquivalentType(I1->getType(), I2->getType()))
+ !isEquivalentType(I1->getType(), I2->getType()) ||
+ !I1->hasSameSubclassOptionalData(I2))
return false;
// We have two instructions of identical opcode and #operands. Check to see