1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index 4b5cf6de5a5..ee9b3fde711 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -169,9 +169,15 @@ SDValue DAGTypeLegalizer::ScalarizeVecRes_MERGE_VALUES(SDNode *N,
 }
 
 SDValue DAGTypeLegalizer::ScalarizeVecRes_BITCAST(SDNode *N) {
+  SDValue Op = N->getOperand(0);
+  if (Op.getValueType().isVector()
+      && Op.getValueType().getVectorNumElements() == 1) {
+    assert(!isSimpleLegalType(Op.getValueType()));
+    Op = GetScalarizedVector(Op);
+  }
   EVT NewVT = N->getValueType(0).getVectorElementType();
   return DAG.getNode(ISD::BITCAST, SDLoc(N),
-                     NewVT, N->getOperand(0));
+                     NewVT, Op);
 }
 
 SDValue DAGTypeLegalizer::ScalarizeVecRes_BUILD_VECTOR(SDNode *N) {