AArch64FrameLowering.h [plain text]
#ifndef LLVM_LIB_TARGET_AARCH64_AARCH64FRAMELOWERING_H
#define LLVM_LIB_TARGET_AARCH64_AARCH64FRAMELOWERING_H
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class AArch64FrameLowering : public TargetFrameLowering {
public:
explicit AArch64FrameLowering()
: TargetFrameLowering(StackGrowsDown, 16, 0, 16,
false ) {}
void emitCalleeSavedFrameMoves(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned FramePtr) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const override;
void emitPrologue(MachineFunction &MF) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const override;
int getFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg) const override;
int resolveFrameIndexReference(const MachineFunction &MF, int FI,
unsigned &FrameReg,
bool PreferFP = false) const;
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 canUseRedZone(const MachineFunction &MF) const;
bool hasFP(const MachineFunction &MF) const override;
bool hasReservedCallFrame(const MachineFunction &MF) const override;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const override;
bool
assignCalleeSavedSpillSlots(MachineFunction &MF,
const TargetRegisterInfo *TRI,
std::vector<CalleeSavedInfo> &CSI,
unsigned &MinCSFrameIndex,
unsigned &MaxCSFrameIndex) const override;
};
}
#endif