Forgot a check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36910 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index e21655112149c6ecbdad9c7fb6a6a7a56a7903c7..290d621cf0edafce91fdf421ce06cfca10d9957e 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -3428,7 +3428,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) {
     MVT::ValueType SVT = Value.getOperand(0).getValueType();
     unsigned OrigAlign = TLI.getTargetMachine().getTargetData()->
       getPrefTypeAlignment(getTypeForValueType(SVT));
-    if (Align <= OrigAlign)
+    if (Align <= OrigAlign && TLI.isOperationLegal(ISD::STORE, SVT))
       return DAG.getStore(Chain, Value.getOperand(0), Ptr, ST->getSrcValue(),
                           ST->getSrcValueOffset());
   }