SparcFrameLowering.h [plain text]
#ifndef SPARC_FRAMEINFO_H
#define SPARC_FRAMEINFO_H
#include "Sparc.h"
#include "SparcSubtarget.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class SparcSubtarget;
class SparcFrameLowering : public TargetFrameLowering {
const SparcSubtarget &SubTarget;
public:
explicit SparcFrameLowering(const SparcSubtarget &ST)
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
ST.is64Bit() ? 16 : 8, 0, ST.is64Bit() ? 16 : 8),
SubTarget(ST) {}
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
bool hasFP(const MachineFunction &MF) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS = NULL) const;
private:
void remapRegsForLeafProc(MachineFunction &MF) const;
bool isLeafProc(MachineFunction &MF) const;
void emitSPAdjustment(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
int NumBytes, unsigned ADDrr, unsigned ADDri) const;
};
}
#endif