MipsRegisterInfo.h [plain text]
#ifndef LLVM_LIB_TARGET_MIPS_MIPSREGISTERINFO_H
#define LLVM_LIB_TARGET_MIPS_MIPSREGISTERINFO_H
#include "Mips.h"
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "MipsGenRegisterInfo.inc"
namespace llvm {
class MipsRegisterInfo : public MipsGenRegisterInfo {
public:
MipsRegisterInfo();
static unsigned getRegisterNumbering(unsigned RegEnum);
static unsigned getPICCallReg();
void adjustMipsStackFrame(MachineFunction &MF) const;
const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
unsigned Kind) const override;
unsigned getRegPressureLimit(const TargetRegisterClass *RC,
MachineFunction &MF) const override;
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
const uint32_t *getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID) const override;
static const uint32_t *getMips16RetHelperMask();
BitVector getReservedRegs(const MachineFunction &MF) const override;
bool requiresRegisterScavenging(const MachineFunction &MF) const override;
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
void processFunctionBeforeFrameFinalized(MachineFunction &MF,
RegScavenger *RS = nullptr) const;
unsigned getFrameRegister(const MachineFunction &MF) const override;
virtual const TargetRegisterClass *intRegClass(unsigned Size) const = 0;
private:
virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
int FrameIndex, uint64_t StackSize,
int64_t SPOffset) const = 0;
};
}
#endif