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() override;
35 
getMFMachineFunctionAnalysis36   MachineFunction &getMF() const { return *MF; }
37 
getPassNameMachineFunctionAnalysis38   const char* getPassName() const override {
39     return "Machine Function Analysis";
40   }
41 
42 private:
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