Fixed extract element when the result needs to be promoted and the input widened.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63217 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index f3897fa..f9813b0 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -292,6 +292,8 @@ SDValue DAGTypeLegalizer::PromoteIntRes_CTTZ(SDNode *N) {
 SDValue DAGTypeLegalizer::PromoteIntRes_EXTRACT_VECTOR_ELT(SDNode *N) {
   MVT OldVT = N->getValueType(0);
   SDValue OldVec = N->getOperand(0);
+  if (getTypeAction(OldVec.getValueType()) == WidenVector)
+    OldVec = GetWidenedVector(N->getOperand(0));
   unsigned OldElts = OldVec.getValueType().getVectorNumElements();
 
   if (OldElts == 1) {