mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-20 03:23:01 +02:00
a60d032b35
It defined the LLVM_AVR_GCC_COMPAT constant, which would enable/disable certain GCC-specific behaviours. There is no point conditionally turning it on/off, as it will always be turned on, and we have to maintain both code paths anyway. llvm-svn: 269904
47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
//===-- AVRFrameLowering.h - Define frame lowering for AVR ------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_AVR_FRAME_LOWERING_H
|
|
#define LLVM_AVR_FRAME_LOWERING_H
|
|
|
|
#include "llvm/Target/TargetFrameLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// Utilities for creating function call frames.
|
|
class AVRFrameLowering : public TargetFrameLowering {
|
|
public:
|
|
explicit AVRFrameLowering();
|
|
|
|
public:
|
|
void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
|
|
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
|
|
bool hasFP(const MachineFunction &MF) const override;
|
|
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI,
|
|
const std::vector<CalleeSavedInfo> &CSI,
|
|
const TargetRegisterInfo *TRI) const override;
|
|
bool
|
|
restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI,
|
|
const std::vector<CalleeSavedInfo> &CSI,
|
|
const TargetRegisterInfo *TRI) const override;
|
|
bool hasReservedCallFrame(const MachineFunction &MF) const override;
|
|
bool canSimplifyCallFramePseudos(const MachineFunction &MF) const override;
|
|
void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
|
|
RegScavenger *RS = nullptr) const override;
|
|
MachineBasicBlock::iterator
|
|
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI) const override;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif // LLVM_AVR_FRAME_LOWERING_H
|