don't do ReplaceUses on a result that doesn't exist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46673 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 56bbce7..6278c4e 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -732,8 +732,10 @@
SDOperand Ops[] = { N1, Tmp2, N3, Chain, InFlag };
SDNode *ResNode = CurDAG->getTargetNode(Opc, MVT::Other, MVT::Flag, Ops, 5);
Chain = SDOperand(ResNode, 0);
- InFlag = SDOperand(ResNode, 1);
- ReplaceUses(SDOperand(Op.Val, 1), InFlag);
+ if (Op.Val->getNumValues() == 2) {
+ InFlag = SDOperand(ResNode, 1);
+ ReplaceUses(SDOperand(Op.Val, 1), InFlag);
+ }
ReplaceUses(SDOperand(Op.Val, 0), SDOperand(Chain.Val, Chain.ResNo));
return NULL;
}