llvm-6502/lib/Target/Mips/MipsFrameLowering.h
2012-02-28 07:46:26 +00:00

50 lines
1.3 KiB
C++

//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//
//===----------------------------------------------------------------------===//
#ifndef MIPS_FRAMEINFO_H
#define MIPS_FRAMEINFO_H
#include "Mips.h"
#include "MipsSubtarget.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class MipsSubtarget;
class MipsFrameLowering : public TargetFrameLowering {
protected:
const MipsSubtarget &STI;
public:
explicit MipsFrameLowering(const MipsSubtarget &sti)
: TargetFrameLowering(StackGrowsDown, sti.hasMips64() ? 16 : 8, 0),
STI(sti) {
}
bool targetHandlesStackFrameRounding() const;
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
bool hasFP(const MachineFunction &MF) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const;
};
} // End llvm namespace
#endif