forked from OSchip/llvm-project
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
|
//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
//
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef MSP430_FRAMEINFO_H
|
||
|
#define MSP430_FRAMEINFO_H
|
||
|
|
||
|
#include "MSP430.h"
|
||
|
#include "MSP430Subtarget.h"
|
||
|
#include "llvm/Target/TargetFrameLowering.h"
|
||
|
|
||
|
namespace llvm {
|
||
|
class MSP430Subtarget;
|
||
|
|
||
|
class MSP430FrameLowering : public TargetFrameLowering {
|
||
|
protected:
|
||
|
const MSP430Subtarget &STI;
|
||
|
|
||
|
public:
|
||
|
explicit MSP430FrameLowering(const MSP430Subtarget &sti)
|
||
|
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2), STI(sti) {
|
||
|
}
|
||
|
|
||
|
/// 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 spillCalleeSavedRegisters(MachineBasicBlock &MBB,
|
||
|
MachineBasicBlock::iterator MI,
|
||
|
const std::vector<CalleeSavedInfo> &CSI,
|
||
|
const TargetRegisterInfo *TRI) const;
|
||
|
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
|
||
|
MachineBasicBlock::iterator MI,
|
||
|
const std::vector<CalleeSavedInfo> &CSI,
|
||
|
const TargetRegisterInfo *TRI) const;
|
||
|
|
||
|
bool hasFP(const MachineFunction &MF) const;
|
||
|
bool hasReservedCallFrame(const MachineFunction &MF) const;
|
||
|
};
|
||
|
|
||
|
} // End llvm namespace
|
||
|
|
||
|
#endif
|