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