1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 8b353a28b6..ab6af1b4d1 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -928,6 +928,13 @@ SDValue SelectionDAG::getConstant(const ConstantInt &Val, EVT VT, bool isT) {
   assert(Val.getBitWidth() == EltVT.getSizeInBits() &&
          "APInt size does not match type size!");
 
+  // In some cases the vector type is legal but the element type is illegal.
+  // In this case, promote the inserted value. The type does not need to match
+  // the vector element type. Any extra bits introduced will be
+  // truncated away.
+  if (VT.isVector())
+    EltVT = TLI.getTypeToTransformTo(*getContext(), EltVT);
+
   unsigned Opc = isT ? ISD::TargetConstant : ISD::Constant;
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(EltVT), 0, 0);