#ifndef POWERPC32_REGISTERINFO_H
#define POWERPC32_REGISTERINFO_H
#include "PPC.h"
#include "PPCGenRegisterInfo.h.inc"
#include <map>
namespace llvm {
class PPCSubtarget;
class TargetInstrInfo;
class Type;
class PPCRegisterInfo : public PPCGenRegisterInfo {
std::map<unsigned, unsigned> ImmToIdxMap;
const PPCSubtarget &Subtarget;
const TargetInstrInfo &TII;
public:
PPCRegisterInfo(const PPCSubtarget &SubTarget, const TargetInstrInfo &tii);
static unsigned getRegisterNumbering(unsigned RegEnum);
virtual const TargetRegisterClass *getPointerRegClass(unsigned Kind=0) const;
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
bool targetHandlesStackFrameRounding() const { return true; }
bool requiresRegisterScavenging(const MachineFunction &MF) const;
bool hasFP(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void lowerDynamicAlloc(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS) const;
void lowerCRSpilling(MachineBasicBlock::iterator II, unsigned FrameIndex,
int SPAdj, RegScavenger *RS) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
void determineFrameLayout(MachineFunction &MF) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS = NULL) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
unsigned getRARegister() const;
unsigned getFrameRegister(const MachineFunction &MF) const;
void getInitialFrameState(std::vector<MachineMove> &Moves) const;
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
};
}
#endif