llvm-6502/lib/CodeGen/VirtRegRewriter.h

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//===-- llvm/CodeGen/VirtRegRewriter.h - VirtRegRewriter -*- C++ -*--------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_VIRTREGREWRITER_H
#define LLVM_CODEGEN_VIRTREGREWRITER_H
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/IndexedMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Streams.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallSet.h"
#include "VirtRegMap.h"
#include <map>
// TODO:
// - Finish renaming Spiller -> Rewriter
// - SimpleSpiller
// - LocalSpiller
namespace llvm {
/// VirtRegRewriter interface: Implementations of this interface assign
/// spilled virtual registers to stack slots, rewriting the code.
struct VirtRegRewriter {
virtual ~VirtRegRewriter();
virtual bool runOnMachineFunction(MachineFunction &MF, VirtRegMap &VRM,
LiveIntervals* LIs) = 0;
};
/// createVirtRegRewriter - Create an return a rewriter object, as specified
/// on the command line.
VirtRegRewriter* createVirtRegRewriter();
}
#endif