1//===-- MachineFunctionAnalysis.h - Owner of MachineFunctions ----*-C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file declares the MachineFunctionAnalysis class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_CODEGEN_MACHINEFUNCTIONANALYSIS_H 15#define LLVM_CODEGEN_MACHINEFUNCTIONANALYSIS_H 16 17#include "llvm/Pass.h" 18 19namespace llvm { 20 21class MachineFunction; 22class TargetMachine; 23 24/// MachineFunctionAnalysis - This class is a Pass that manages a 25/// MachineFunction object. 26struct MachineFunctionAnalysis : public FunctionPass { 27private: 28 const TargetMachine &TM; 29 MachineFunction *MF; 30 unsigned NextFnNum; 31public: 32 static char ID; 33 explicit MachineFunctionAnalysis(const TargetMachine &tm); 34 ~MachineFunctionAnalysis(); 35 36 MachineFunction &getMF() const { return *MF; } 37 38 const char* getPassName() const override { 39 return "Machine Function Analysis"; 40 } 41 42private: 43 bool doInitialization(Module &M) override; 44 bool runOnFunction(Function &F) override; 45 void releaseMemory() override; 46 void getAnalysisUsage(AnalysisUsage &AU) const override; 47}; 48 49} // End llvm namespace 50 51#endif 52