HexagonFrameLowering.h [plain text]
#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONFRAMELOWERING_H
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONFRAMELOWERING_H
#include "Hexagon.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class HexagonFrameLowering : public TargetFrameLowering {
private:
void determineFrameLayout(MachineFunction &MF) const;
public:
explicit HexagonFrameLowering() : TargetFrameLowering(StackGrowsDown, 8, 0) {}
void emitPrologue(MachineFunction &MF) const override;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
void
eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const override;
bool
restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI,
const TargetRegisterInfo *TRI) const override;
int getFrameIndexOffset(const MachineFunction &MF, int FI) const override;
bool hasFP(const MachineFunction &MF) const override;
bool hasTailCall(MachineBasicBlock &MBB) const;
};
}
#endif