14 #ifndef LLVM_LIB_TARGET_X86_X86REGISTERINFO_H
15 #define LLVM_LIB_TARGET_X86_X86REGISTERINFO_H
19 #define GET_REGINFO_HEADER
20 #include "X86GenRegisterInfo.inc"
68 unsigned Idx)
const override;
72 unsigned Idx)
const override;
82 unsigned Kind = 0)
const override;
125 int &FrameIdx)
const override;
128 int SPAdj,
unsigned FIOperandNum,
const TargetRegisterClass * getMatchingSuperRegClass(const TargetRegisterClass *A, const TargetRegisterClass *B, unsigned Idx) const override
getMatchingSuperRegClass - Return a subclass of the specified register class A so that each register ...
unsigned getRegPressureLimit(const TargetRegisterClass *RC, MachineFunction &MF) const override
bool hasBasePointer(const MachineFunction &MF) const
uint16_t MCPhysReg
An unsigned integer type large enough to represent all physical registers, but not necessarily virtua...
X86RegisterInfo(const Triple &TT)
const TargetRegisterClass * getPointerRegClass(const MachineFunction &MF, unsigned Kind=0) const override
getPointerRegClass - Returns a TargetRegisterClass used for pointer values.
const uint32_t * getDarwinTLSCallPreservedMask() const
Reg
All possible values of the reg field in the ModR/M byte.
static GCRegistry::Add< OcamlGC > B("ocaml","ocaml 3.10-compatible GC")
BitVector getReservedRegs(const MachineFunction &MF) const override
getReservedRegs - Returns a bitset indexed by physical register number indicating if a register is a ...
void adjustStackMapLiveOutMask(uint32_t *Mask) const override
const TargetRegisterClass * getLargestLegalSuperClass(const TargetRegisterClass *RC, const MachineFunction &MF) const override
bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg, int &FrameIdx) const override
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override
Code Generation virtual methods...
const uint32_t * getNoPreservedMask() const override
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID) const override
const TargetRegisterClass * getGPRsForTailCall(const MachineFunction &MF) const
getGPRsForTailCall - Returns a register class with registers that can be used in forming tail calls...
unsigned getBaseRegister() const
Triple - Helper class for working with autoconf configuration names.
unsigned getStackRegister() const
void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
int getSEHRegNum(unsigned i) const
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
getCalleeSavedRegs - Return a null-terminated list of all of the callee-save registers on this target...
const TargetRegisterClass * getCrossCopyRegClass(const TargetRegisterClass *RC) const override
getCrossCopyRegClass - Returns a legal register class to copy a register in the specified class to or...
unsigned getSlotSize() const
const TargetRegisterClass * getSubClassWithSubReg(const TargetRegisterClass *RC, unsigned Idx) const override
bool canRealignStack(const MachineFunction &MF) const override
const MCPhysReg * getCalleeSavedRegsViaCopy(const MachineFunction *MF) const
std::underlying_type< E >::type Mask()
Get a bitmask with 1s in all places up to the high-order bit of E's largest value.
unsigned getFrameRegister(const MachineFunction &MF) const override
static GCRegistry::Add< ErlangGC > A("erlang","erlang-compatible garbage collector")
unsigned getPtrSizedFrameRegister(const MachineFunction &MF) const