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 MachineFunctionInitializer; 23 class TargetMachine; 24 25 /// MachineFunctionAnalysis - This class is a Pass that manages a 26 /// MachineFunction object. 27 struct MachineFunctionAnalysis : public FunctionPass { 28 private: 29 const TargetMachine &TM; 30 MachineFunction *MF; 31 unsigned NextFnNum; 32 MachineFunctionInitializer *MFInitializer; 33 34 public: 35 static char ID; 36 explicit MachineFunctionAnalysis(const TargetMachine &tm, 37 MachineFunctionInitializer *MFInitializer); 38 ~MachineFunctionAnalysis() override; 39 getMFMachineFunctionAnalysis40 MachineFunction &getMF() const { return *MF; } 41 getPassNameMachineFunctionAnalysis42 const char* getPassName() const override { 43 return "Machine Function Analysis"; 44 } 45 46 private: 47 bool doInitialization(Module &M) override; 48 bool runOnFunction(Function &F) override; 49 void releaseMemory() override; 50 void getAnalysisUsage(AnalysisUsage &AU) const override; 51 }; 52 53 } // End llvm namespace 54 55 #endif 56