MipsRegisterInfo.h [plain text]
#ifndef MIPSREGISTERINFO_H
#define MIPSREGISTERINFO_H
#include "Mips.h"
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "MipsGenRegisterInfo.inc"
namespace llvm {
class MipsSubtarget;
class Type;
class MipsRegisterInfo : public MipsGenRegisterInfo {
protected:
const MipsSubtarget &Subtarget;
public:
MipsRegisterInfo(const MipsSubtarget &Subtarget);
static unsigned getRegisterNumbering(unsigned RegEnum);
static unsigned getPICCallReg();
void adjustMipsStackFrame(MachineFunction &MF) const;
unsigned getRegPressureLimit(const TargetRegisterClass *RC,
MachineFunction &MF) const;
const uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
const uint32_t *getCallPreservedMask(CallingConv::ID) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
virtual bool requiresRegisterScavenging(const MachineFunction &MF) const;
virtual bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, unsigned FIOperandNum,
RegScavenger *RS = NULL) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
private:
virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
int FrameIndex, uint64_t StackSize,
int64_t SPOffset) const = 0;
};
}
#endif