Index: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp =================================================================== --- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1245,12 +1245,6 @@ break; case ISD::EXTRACT_ELEMENT: case ISD::FLT_ROUNDS_: - case ISD::SADDO: - case ISD::SSUBO: - case ISD::UADDO: - case ISD::USUBO: - case ISD::SMULO: - case ISD::UMULO: case ISD::FPOWI: case ISD::MERGE_VALUES: case ISD::EH_RETURN: Index: llvm/trunk/lib/CodeGen/TargetLoweringBase.cpp =================================================================== --- llvm/trunk/lib/CodeGen/TargetLoweringBase.cpp +++ llvm/trunk/lib/CodeGen/TargetLoweringBase.cpp @@ -804,6 +804,14 @@ setOperationAction(ISD::FMAXNUM, VT, Expand); setOperationAction(ISD::FMAD, VT, Expand); + // Overflow operations default to expand + setOperationAction(ISD::SADDO, VT, Expand); + setOperationAction(ISD::SSUBO, VT, Expand); + setOperationAction(ISD::UADDO, VT, Expand); + setOperationAction(ISD::USUBO, VT, Expand); + setOperationAction(ISD::SMULO, VT, Expand); + setOperationAction(ISD::UMULO, VT, Expand); + // These library functions default to expand. setOperationAction(ISD::FROUND, VT, Expand);