llvm::SystemZELFRegisters Class Reference

ELF calling convention specific use registers Particular when on zLinux in 64 bit mode. More...

#include "Target/SystemZ/SystemZRegisterInfo.h"

Inheritance diagram for llvm::SystemZELFRegisters:

Public Member Functions
int	getReturnFunctionAddressRegister () final
int	getStackPointerRegister () final
int	getFramePointerRegister () final
const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const final
const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID CC) const final
int	getCallFrameSize () final
int	getStackPointerBias () final
	~SystemZELFRegisters ()=default
	Destroys the object. Bogus destructor overriding base class destructor.
Public Member Functions inherited from llvm::SystemZCallingConventionRegisters
virtual int	getReturnFunctionAddressRegister ()=0
virtual int	getStackPointerRegister ()=0
virtual int	getFramePointerRegister ()=0
virtual const MCPhysReg *	getCalleeSavedRegs (const MachineFunction *MF) const =0
virtual const uint32_t *	getCallPreservedMask (const MachineFunction &MF, CallingConv::ID CC) const =0
virtual int	getCallFrameSize ()=0
virtual int	getStackPointerBias ()=0
virtual	~SystemZCallingConventionRegisters ()=default
	Destroys the object.

Detailed Description

ELF calling convention specific use registers Particular when on zLinux in 64 bit mode.

Definition at line 109 of file SystemZRegisterInfo.h.

Constructor & Destructor Documentation

~SystemZELFRegisters()

llvm::SystemZELFRegisters::~SystemZELFRegisters ( )

default

Destroys the object. Bogus destructor overriding base class destructor.

Member Function Documentation

getCalleeSavedRegs()

const MCPhysReg * SystemZELFRegisters::getCalleeSavedRegs ( const MachineFunction *  MF ) const

finalvirtual

Returns

an array of all the callee saved registers.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 198 of file SystemZRegisterInfo.cpp.

References llvm::CallingConv::AnyReg, llvm::Function::getAttributes(), llvm::Function::getCallingConv(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::CallingConv::GHC, llvm::AttributeList::hasAttrSomewhere(), and llvm::TargetLowering::supportSwiftError().

getCallFrameSize()

int llvm::SystemZELFRegisters::getCallFrameSize ( )

inlinefinalvirtual

Returns

the offset to the locals area.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 122 of file SystemZRegisterInfo.h.

References llvm::SystemZMC::ELFCallFrameSize.

getCallPreservedMask()

const uint32_t * SystemZELFRegisters::getCallPreservedMask ( const MachineFunction &  MF, CallingConv::ID  CC  ) const

finalvirtual

Returns

the mask of all the call preserved registers.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 221 of file SystemZRegisterInfo.cpp.

References llvm::CallingConv::AnyReg, CC, llvm::Function::getAttributes(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::CallingConv::GHC, llvm::AttributeList::hasAttrSomewhere(), and llvm::TargetLowering::supportSwiftError().

getFramePointerRegister()

int llvm::SystemZELFRegisters::getFramePointerRegister ( )

inlinefinalvirtual

Returns

the register that keeps the frame pointer address.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 115 of file SystemZRegisterInfo.h.

getReturnFunctionAddressRegister()

int llvm::SystemZELFRegisters::getReturnFunctionAddressRegister ( )

inlinefinalvirtual

Returns

the register that keeps the return function address.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 111 of file SystemZRegisterInfo.h.

getStackPointerBias()

int llvm::SystemZELFRegisters::getStackPointerBias ( )

inlinefinalvirtual

Returns

the stack pointer bias.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 124 of file SystemZRegisterInfo.h.

getStackPointerRegister()

int llvm::SystemZELFRegisters::getStackPointerRegister ( )

inlinefinalvirtual

Returns

the register that keeps the stack pointer address.

Implements llvm::SystemZCallingConventionRegisters.

Definition at line 113 of file SystemZRegisterInfo.h.

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The documentation for this class was generated from the following files:

• lib/Target/SystemZ/SystemZRegisterInfo.h
• lib/Target/SystemZ/SystemZRegisterInfo.cpp