+ /// getAnalysisUsage - Subclasses that override getAnalysisUsage
+ /// must call this.
+ ///
+ /// For MachineFunctionPasses, calling AU.preservesCFG() indicates that
+ /// the pass does not modify the MachineBasicBlock CFG.
+ ///
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const;
+
+private:
+ /// createPrinterPass - Get a machine function printer pass.
+ virtual Pass *createPrinterPass(raw_ostream &O,
+ const std::string &Banner) const;
+
+ virtual bool runOnFunction(Function &F);