1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 36af244c2b8..b7c468a9579 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -7207,7 +7207,9 @@ SDValue DAGCombiner::visitTRUNCATE(SDNode *N) {
   if (N0.getOpcode() == ISD::BITCAST && !VT.isVector()) {
     SDValue VecSrc = N0.getOperand(0);
     EVT SrcVT = VecSrc.getValueType();
-    if (SrcVT.isVector() && SrcVT.getScalarType() == VT) {
+    if (SrcVT.isVector() && SrcVT.getScalarType() == VT &&
+        (!LegalOperations ||
+         TLI.isOperationLegal(ISD::EXTRACT_VECTOR_ELT, SrcVT))) {
       SDLoc SL(N);
 
       EVT IdxVT = TLI.getVectorIdxTy(DAG.getDataLayout());