mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
cb8c3d1e49
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193320 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
2.1 KiB
C++
60 lines
2.1 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, 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;
|
|
|
|
void eliminateCallFramePseudoInstr(MachineFunction &MF,
|
|
MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator I) 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;
|
|
void processFunctionBeforeFrameFinalized(MachineFunction &MF,
|
|
RegScavenger *RS = NULL) const;
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|