1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/ValueMapper.cpp b/lib/Transforms/Utils/ValueMapper.cpp
index 3093acafab..b309f9c0e2 100644
--- a/lib/Transforms/Utils/ValueMapper.cpp
+++ b/lib/Transforms/Utils/ValueMapper.cpp
@@ -94,6 +94,11 @@ Value *llvm::MapValue(const Value *V, std::map<const Value*, Value*> &VM) {
         Constant *MV1 = cast<Constant>(MapValue(CE->getOperand(0), VM));
         Constant *MV2 = cast<Constant>(MapValue(CE->getOperand(1), VM));
         return VMSlot = ConstantExpr::getExtractElement(MV1, MV2);
+      } else if (CE->getOpcode() == Instruction::ShuffleVector) {
+        Constant *MV1 = cast<Constant>(MapValue(CE->getOperand(0), VM));
+        Constant *MV2 = cast<Constant>(MapValue(CE->getOperand(1), VM));
+        Constant *MV3 = cast<Constant>(CE->getOperand(2));
+        return VMSlot = ConstantExpr::getShuffleVector(MV1, MV2, MV3);
       } else {
         assert(CE->getNumOperands() == 2 && "Must be binary operator?");
         Constant *MV1 = cast<Constant>(MapValue(CE->getOperand(0), VM));