llvm-6502/include/llvm/CodeGen/MachineFunctionAnalysis.h
Chris Lattner b84822fb7b make MachineFunction keep track of its ID and make
MachineFunctionAnalysis dole them out, instead of having
AsmPrinter do both.  Have the AsmPrinter::SetupMachineFunction
method set the 'AsmPrinter::MF' variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94509 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26 04:35:26 +00:00

51 lines
1.5 KiB
C++

//===-- MachineFunctionAnalysis.h - Owner of MachineFunctions ----*-C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the MachineFunctionAnalysis class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHINE_FUNCTION_ANALYSIS_H
#define LLVM_CODEGEN_MACHINE_FUNCTION_ANALYSIS_H
#include "llvm/Pass.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class MachineFunction;
/// MachineFunctionAnalysis - This class is a Pass that manages a
/// MachineFunction object.
struct MachineFunctionAnalysis : public FunctionPass {
private:
const TargetMachine &TM;
CodeGenOpt::Level OptLevel;
MachineFunction *MF;
unsigned NextFnNum;
public:
static char ID;
explicit MachineFunctionAnalysis(const TargetMachine &tm,
CodeGenOpt::Level OL = CodeGenOpt::Default);
~MachineFunctionAnalysis();
MachineFunction &getMF() const { return *MF; }
CodeGenOpt::Level getOptLevel() const { return OptLevel; }
private:
virtual bool doInitialization(Module &) { NextFnNum = 1; return false; }
virtual bool runOnFunction(Function &F);
virtual void releaseMemory();
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
};
} // End llvm namespace
#endif