// Insert copies for child
for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) {
if (Inst->getOperand(i-1).getReg() == child->getReg()) {
- unsigned SrcReg = Inst->getOperand(i-1).getReg();
+ unsigned SrcReg = child->getReg();
MachineBasicBlock* From = Inst->getOperand(i).getMBB();
Waiting[From].push_back(std::make_pair(SrcReg, DestReg));
+ PHIUnion.erase(SrcReg);
}
}
// Insert copies for parent
for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) {
if (Inst->getOperand(i-1).getReg() == DFNode->getReg()) {
- unsigned SrcReg = Inst->getOperand(i-1).getReg();
+ unsigned SrcReg = DFNode->getReg();
MachineBasicBlock* From = Inst->getOperand(i).getMBB();
Waiting[From].push_back(std::make_pair(SrcReg, DestReg));
+ PHIUnion.erase(SrcReg);
}
}
}
// Insert copies for parent
for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) {
if (Inst->getOperand(i-1).getReg() == DFNode->getReg()) {
- unsigned SrcReg = Inst->getOperand(i-1).getReg();
+ unsigned SrcReg = DFNode->getReg();
MachineBasicBlock* From = Inst->getOperand(i).getMBB();
Waiting[From].push_back(std::make_pair(SrcReg, DestReg));
+ PHIUnion.erase(SrcReg);
}
}
}