Index: llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -2258,7 +2258,7 @@
   SDValue Ovf;
 
   bool HasOpCarry = TLI.isOperationLegalOrCustom(
-      N->getOpcode() == ISD::ADD ? ISD::ADDCARRY : ISD::SUBCARRY,
+      N->getOpcode() == ISD::UADDO ? ISD::ADDCARRY : ISD::SUBCARRY,
       TLI.getTypeToExpandTo(*DAG.getContext(), LHS.getValueType()));
 
   if (HasOpCarry) {