reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
6889 assert(VT == RHS.getValueType() && "Expected operands to be the same type"); 6890 assert(VT.isInteger() && "Expected operands to be integers"); 6893 if (Opcode == ISD::USUBSAT && isOperationLegalOrCustom(ISD::UMAX, VT)) { 6894 SDValue Max = DAG.getNode(ISD::UMAX, dl, VT, LHS, RHS); 6895 return DAG.getNode(ISD::SUB, dl, VT, Max, RHS); 6898 if (Opcode == ISD::UADDSAT && isOperationLegalOrCustom(ISD::UMIN, VT)) { 6899 SDValue InvRHS = DAG.getNOT(dl, RHS, VT); 6900 SDValue Min = DAG.getNode(ISD::UMIN, dl, VT, LHS, InvRHS); 6901 return DAG.getNode(ISD::ADD, dl, VT, Min, RHS); 6924 EVT BoolVT = getSetCCResultType(DAG.getDataLayout(), *DAG.getContext(), VT); 6925 SDValue Result = DAG.getNode(OverflowOp, dl, DAG.getVTList(VT, BoolVT), 6929 SDValue Zero = DAG.getConstant(0, dl, VT); 6930 SDValue AllOnes = DAG.getAllOnesConstant(dl, VT); 6933 if (getBooleanContents(VT) == ZeroOrNegativeOneBooleanContent) { 6935 SDValue OverflowMask = DAG.getSExtOrTrunc(Overflow, dl, VT); 6936 return DAG.getNode(ISD::OR, dl, VT, SumDiff, OverflowMask); 6939 return DAG.getSelect(dl, VT, Overflow, AllOnes, SumDiff); 6941 if (getBooleanContents(VT) == ZeroOrNegativeOneBooleanContent) { 6943 SDValue OverflowMask = DAG.getSExtOrTrunc(Overflow, dl, VT); 6944 SDValue Not = DAG.getNOT(dl, OverflowMask, VT); 6945 return DAG.getNode(ISD::AND, dl, VT, SumDiff, Not); 6948 return DAG.getSelect(dl, VT, Overflow, Zero, SumDiff); 6954 SDValue SatMin = DAG.getConstant(MinVal, dl, VT); 6955 SDValue SatMax = DAG.getConstant(MaxVal, dl, VT); 6957 Result = DAG.getSelect(dl, VT, SumNeg, SatMax, SatMin); 6958 return DAG.getSelect(dl, VT, Overflow, Result, SumDiff);