SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3) {
// Perform various simplifications.
- ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
switch (Opcode) {
case ISD::FMA: {
ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1);
break;
}
case ISD::SELECT:
- if (N1C) {
+ if (ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1)) {
if (N1C->getZExtValue())
return N2; // select true, X, Y -> X
return N3; // select false, X, Y -> Y