+
+/// \brief Generate Min/Max node
+static SDValue combineMinNumMaxNum(SDLoc DL, EVT VT, SDValue LHS, SDValue RHS,
+ SDValue True, SDValue False,
+ ISD::CondCode CC, const TargetLowering &TLI,
+ SelectionDAG &DAG) {
+ if (!(LHS == True && RHS == False) && !(LHS == False && RHS == True))
+ return SDValue();
+
+ switch (CC) {
+ case ISD::SETOLT:
+ case ISD::SETOLE:
+ case ISD::SETLT:
+ case ISD::SETLE:
+ case ISD::SETULT:
+ case ISD::SETULE: {
+ unsigned Opcode = (LHS == True) ? ISD::FMINNUM : ISD::FMAXNUM;
+ if (TLI.isOperationLegal(Opcode, VT))
+ return DAG.getNode(Opcode, DL, VT, LHS, RHS);
+ return SDValue();
+ }
+ case ISD::SETOGT:
+ case ISD::SETOGE:
+ case ISD::SETGT:
+ case ISD::SETGE:
+ case ISD::SETUGT:
+ case ISD::SETUGE: {
+ unsigned Opcode = (LHS == True) ? ISD::FMAXNUM : ISD::FMINNUM;
+ if (TLI.isOperationLegal(Opcode, VT))
+ return DAG.getNode(Opcode, DL, VT, LHS, RHS);
+ return SDValue();
+ }
+ default:
+ return SDValue();
+ }
+}
+