silence a warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25184 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 6ed69124a6f6bf87a022bf4cf459884fa50d3364..db5c8e2ff99e8af9803f7e17421e775e8b70a09e 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1975,13 +1975,14 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
     case TargetLowering::Custom: {
       SDOperand Tmp = TLI.LowerOperation(Result, DAG);
       if (Tmp.Val) {
-        SDOperand Tmp2, RetVal;
+        SDOperand Tmp2, RetVal(0,0);
         for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) {
           Tmp2 = LegalizeOp(Tmp.getValue(i));
           AddLegalizedOperand(SDOperand(Node, i), Tmp2);
           if (i == Op.ResNo)
             RetVal = Tmp;
         }
+        assert(RetVal.Val && "Illegal result number");
         return RetVal;
       }
       // FALLTHROUGH if the target thinks it is legal.