BlackfinRegisterInfo.h [plain text]
#ifndef BLACKFINREGISTERINFO_H
#define BLACKFINREGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#include "BlackfinGenRegisterInfo.h.inc"
namespace llvm {
class BlackfinSubtarget;
class TargetInstrInfo;
class Type;
enum BfinSubregIdx {
bfin_subreg_lo16 = 1,
bfin_subreg_hi16 = 2,
bfin_subreg_lo32 = 3
};
struct BlackfinRegisterInfo : public BlackfinGenRegisterInfo {
BlackfinSubtarget &Subtarget;
const TargetInstrInfo &TII;
BlackfinRegisterInfo(BlackfinSubtarget &st, const TargetInstrInfo &tii);
const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
const TargetRegisterClass* const*
getCalleeSavedRegClasses(const MachineFunction *MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
const TargetRegisterClass *getPointerRegClass(unsigned Kind = 0) const {
return &BF::PRegClass;
}
const TargetRegisterClass *getPhysicalRegisterRegClass(unsigned reg,
EVT VT) const;
bool hasFP(const MachineFunction &MF) const;
bool requiresRegisterScavenging(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
unsigned eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, FrameIndexValue *Value = NULL,
RegScavenger *RS = NULL) const;
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
RegScavenger *RS) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getRARegister() const;
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
int getDwarfRegNum(unsigned RegNum, bool isEH) const;
void adjustRegister(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
DebugLoc DL,
unsigned Reg,
unsigned ScratchReg,
int delta) const;
void loadConstant(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
DebugLoc DL,
unsigned Reg,
int value) const;
};
}
#endif