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 19 namespace llvm { 20 21 class MachineFunction; 22 class TargetMachine; 23 24 /// MachineFunctionAnalysis - This class is a Pass that manages a 25 /// MachineFunction object. 26 struct MachineFunctionAnalysis : public FunctionPass { 27 private: 28 const TargetMachine &TM; 29 MachineFunction *MF; 30 unsigned NextFnNum; 31 public: 32 static char ID; 33 explicit MachineFunctionAnalysis(const TargetMachine &tm); 34 ~MachineFunctionAnalysis(); 35 36 MachineFunction &getMF() const { return *MF; } 37 38 virtual const char* getPassName() const { 39 return "Machine Function Analysis"; 40 } 41 42 private: 43 virtual bool doInitialization(Module &M); 44 virtual bool runOnFunction(Function &F); 45 virtual void releaseMemory(); 46 virtual void getAnalysisUsage(AnalysisUsage &AU) const; 47 }; 48 49 } // End llvm namespace 50 51 #endif 52
