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_MACHINE_FUNCTION_ANALYSIS_H 15 #define LLVM_CODEGEN_MACHINE_FUNCTION_ANALYSIS_H 16 17 #include "llvm/Pass.h" 18 #include "llvm/Target/TargetMachine.h" 19 20 namespace llvm { 21 22 class MachineFunction; 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 CodeGenOpt::Level OptLevel; 30 MachineFunction *MF; 31 unsigned NextFnNum; 32 public: 33 static char ID; 34 explicit MachineFunctionAnalysis(const TargetMachine &tm, 35 CodeGenOpt::Level OL = CodeGenOpt::Default); 36 ~MachineFunctionAnalysis(); 37 38 MachineFunction &getMF() const { return *MF; } 39 CodeGenOpt::Level getOptLevel() const { return OptLevel; } 40 41 virtual const char* getPassName() const { 42 return "Machine Function Analysis"; 43 } 44 45 private: 46 virtual bool doInitialization(Module &M); 47 virtual bool runOnFunction(Function &F); 48 virtual void releaseMemory(); 49 virtual void getAnalysisUsage(AnalysisUsage &AU) const; 50 }; 51 52 } // End llvm namespace 53 54 #endif 55
