LLVM 22.0.0git
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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:
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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 ~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 197 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, 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 220 of file SystemZRegisterInfo.cpp.

References llvm::CallingConv::AnyReg, llvm::Function::getAttributes(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::TargetSubtargetInfo::getTargetLowering(), llvm::CallingConv::GHC, 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.

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