///
/// PostDominatorTree Class - Concrete subclass of DominatorTree that is used
-/// to compute the a post-dominator tree.
+/// to compute the post-dominator tree.
///
struct MachinePostDominatorTree : public MachineFunctionPass {
private:
bool runOnMachineFunction(MachineFunction &MF) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
- void print(llvm::raw_ostream &OS, const Module *M = 0) const override;
+ void print(llvm::raw_ostream &OS, const Module *M = nullptr) const override;
};
} //end of namespace llvm