public:
OptimizePICCall(TargetMachine &tm) : MachineFunctionPass(ID) {}
- virtual const char *getPassName() const { return "Mips OptimizePICCall"; }
+ const char *getPassName() const override { return "Mips OptimizePICCall"; }
- bool runOnMachineFunction(MachineFunction &F);
+ bool runOnMachineFunction(MachineFunction &F) override;
- void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<MachineDominatorTree>();
MachineFunctionPass::getAnalysisUsage(AU);
}
/// 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);
+ llvm_unreachable(nullptr);
}
-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);