diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp index 2e5f8bea80b..588c24e8aa7 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp @@ -365,10 +365,14 @@ SDValue DAGTypeLegalizer::PromoteIntRes_SELECT_CC(SDNode *N) { } SDValue DAGTypeLegalizer::PromoteIntRes_SETCC(SDNode *N) { - assert(isTypeLegal(TLI.getSetCCResultType(N->getOperand(0))) - && "SetCC type is not legal??"); - return DAG.getNode(ISD::SETCC, TLI.getSetCCResultType(N->getOperand(0)), - N->getOperand(0), N->getOperand(1), N->getOperand(2)); + MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + MVT SVT = TLI.getSetCCResultType(N->getOperand(0)); + assert(isTypeLegal(SVT) && "SetCC type not legal??"); + assert(NVT.getSizeInBits() <= SVT.getSizeInBits() && + "Integer type overpromoted?"); + return DAG.getNode(ISD::TRUNCATE, NVT, + DAG.getNode(ISD::SETCC, SVT, N->getOperand(0), + N->getOperand(1), N->getOperand(2))); } SDValue DAGTypeLegalizer::PromoteIntRes_SHL(SDNode *N) {