14 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64REGISTERINFO_H
15 #define LLVM_LIB_TARGET_AARCH64_AARCH64REGISTERINFO_H
17 #define GET_REGINFO_HEADER
18 #include "AArch64GenRegisterInfo.inc"
22 class MachineFunction;
24 class TargetRegisterClass;
68 unsigned Kind = 0)
const override;
78 int64_t
Offset)
const override;
81 int64_t
Offset)
const override;
83 int64_t
Offset)
const override;
85 unsigned FIOperandNum,
bool cannotEliminateFrame(const MachineFunction &MF) const
const uint32_t * getTLSCallPreservedMask() const
uint16_t MCPhysReg
An unsigned integer type large enough to represent all physical registers, but not necessarily virtua...
bool isFrameOffsetLegal(const MachineInstr *MI, unsigned BaseReg, int64_t Offset) const override
unsigned getCSRFirstUseCost() const override
unsigned getFrameRegister(const MachineFunction &MF) const override
unsigned getBaseRegister() const
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override
Reg
All possible values of the reg field in the ModR/M byte.
AArch64RegisterInfo(const Triple &TT)
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID) const override
void materializeFrameBaseRegister(MachineBasicBlock *MBB, unsigned BaseReg, int FrameIdx, int64_t Offset) const override
Insert defining instruction(s) for BaseReg to be a pointer to FrameIdx at the beginning of the basic ...
const TargetRegisterClass * getPointerRegClass(const MachineFunction &MF, unsigned Kind=0) const override
bool isReservedReg(const MachineFunction &MF, unsigned Reg) const
void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
Code Generation virtual methods...
Triple - Helper class for working with autoconf configuration names.
const uint32_t * getThisReturnPreservedMask(const MachineFunction &MF, CallingConv::ID) const
getThisReturnPreservedMask - Returns a call preserved mask specific to the case that 'returned' is on...
void resolveFrameIndex(MachineInstr &MI, unsigned BaseReg, int64_t Offset) const override
Representation of each machine instruction.
BitVector getReservedRegs(const MachineFunction &MF) const override
bool requiresVirtualBaseRegisters(const MachineFunction &MF) const override
const MCPhysReg * getCalleeSavedRegsViaCopy(const MachineFunction *MF) const
bool useFPForScavengingIndex(const MachineFunction &MF) const override
bool trackLivenessAfterRegAlloc(const MachineFunction &) const override
bool requiresRegisterScavenging(const MachineFunction &MF) const override
unsigned getRegPressureLimit(const TargetRegisterClass *RC, MachineFunction &MF) const override
bool isConstantPhysReg(unsigned PhysReg) const override
const TargetRegisterClass * getCrossCopyRegClass(const TargetRegisterClass *RC) const override
bool needsFrameBaseReg(MachineInstr *MI, int64_t Offset) const override
needsFrameBaseReg - Returns true if the instruction's frame index reference would be better served by...
bool hasBasePointer(const MachineFunction &MF) const