Add a missing check, this fixes UnitTests/Vector/sumarray.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27375 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index aacee99ed9936865a6b3b77a2824e3693275496a..c982e5be8fc0d4d2fd4756f492d393767e9c9a2e 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2017,8 +2017,8 @@ SDOperand DAGCombiner::visitVBIT_CONVERT(SDNode *N) {
         break;
       }
         
-    if (isSimple) {
-      MVT::ValueType DestEltVT = cast<VTSDNode>(N->getOperand(2))->getVT();
+    MVT::ValueType DestEltVT = cast<VTSDNode>(N->getOperand(2))->getVT();
+    if (isSimple && !MVT::isVector(DestEltVT)) {
       return ConstantFoldVBIT_CONVERTofVBUILD_VECTOR(N0.Val, DestEltVT);
     }
   }