/// Return the first MachineOperand of MI if it is a used virtual register.
static MachineOperand *getCallTargetRegOpnd(MachineInstr &MI) {
if (MI.getNumOperands() == 0)
- return 0;
+ return nullptr;
MachineOperand &MO = MI.getOperand(0);
if (!MO.isReg() || !MO.isUse() ||
!TargetRegisterInfo::isVirtualRegister(MO.getReg()))
- return 0;
+ return nullptr;
return &MO;
}
llvm_unreachable(0);
}
-MBBInfo::MBBInfo(MachineDomTreeNode *N) : Node(N), HTScope(0) {}
+MBBInfo::MBBInfo(MachineDomTreeNode *N) : Node(N), HTScope(nullptr) {}
const MachineDomTreeNode *MBBInfo::getNode() const { return Node; }
// Get the instruction that loads the function address from the GOT.
Reg = MO->getReg();
- Val = (Value*)0;
+ Val = (Value*)nullptr;
MachineRegisterInfo &MRI = MI.getParent()->getParent()->getRegInfo();
MachineInstr *DefMI = MRI.getVRegDef(Reg);