llvm::StackOffset Class Reference

StackOffset is a class to represent an offset with 2 dimensions, named fixed and scalable, respectively. More...

#include "llvm/Support/TypeSize.h"

Inheritance diagram for llvm::StackOffset:

Collaboration diagram for llvm::StackOffset:

Public Member Functions
	StackOffset ()
	StackOffset (const LinearPolyBase< StackOffset > &Other)
ScalarTy	getFixed () const
ScalarTy	getScalable () const
Public Member Functions inherited from llvm::LinearPolyBase< StackOffset >
bool	operator== (const LinearPolyBase &RHS) const
bool	operator!= (const LinearPolyBase &RHS) const
bool	isZero () const
bool	isNonZero () const
	operator bool () const
ScalarTy	getValue (unsigned Dim) const

Static Public Member Functions
static StackOffset	getFixed (ScalarTy Fixed)
static StackOffset	getScalable (ScalarTy Scalable)
static StackOffset	get (ScalarTy Fixed, ScalarTy Scalable)

Protected Member Functions
	StackOffset (ScalarTy Fixed, ScalarTy Scalable)
Protected Member Functions inherited from llvm::LinearPolyBase< StackOffset >
	LinearPolyBase (ArrayRef< ScalarTy > Values)

Additional Inherited Members
Public Types inherited from llvm::LinearPolyBase< StackOffset >
using	ScalarTy = typename LinearPolyBaseTypeTraits< StackOffset >::ScalarTy
Static Public Attributes inherited from llvm::LinearPolyBase< StackOffset >
static constexpr auto	Dimensions

Detailed Description

StackOffset is a class to represent an offset with 2 dimensions, named fixed and scalable, respectively.

This class allows a value for both dimensions to depict e.g. "8 bytes and 16 scalable bytes", which is needed to represent stack offsets.

Definition at line 134 of file TypeSize.h.

Constructor & Destructor Documentation

StackOffset() [1/3]

llvm::StackOffset::StackOffset ( ScalarTy  Fixed, ScalarTy  Scalable  )

inlineprotected

Definition at line 136 of file TypeSize.h.

References llvm::Fixed.

StackOffset() [2/3]

llvm::StackOffset::StackOffset ( )

inline

Definition at line 140 of file TypeSize.h.

StackOffset() [3/3]

llvm::StackOffset::StackOffset ( const LinearPolyBase< StackOffset > &  Other )

inline

Definition at line 141 of file TypeSize.h.

References Other.

Member Function Documentation

get()

static StackOffset llvm::StackOffset::get ( ScalarTy  Fixed, ScalarTy  Scalable  )

inlinestatic

Definition at line 145 of file TypeSize.h.

References llvm::Fixed.

Referenced by llvm::RISCVRegisterInfo::eliminateFrameIndex(), llvm::RISCVFrameLowering::getFrameIndexReference(), llvm::isAArch64FrameOffsetLegal(), and llvm::AArch64FrameLowering::resolveFrameOffsetReference().

getFixed() [1/2]

ScalarTy llvm::StackOffset::getFixed ( ) const

inline

Definition at line 149 of file TypeSize.h.

References llvm::LinearPolyBase< StackOffset >::getValue().

Referenced by convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64FrameLowering::eliminateCallFramePseudoInstr(), llvm::LoongArchRegisterInfo::eliminateFrameIndex(), llvm::RISCVRegisterInfo::eliminateFrameIndex(), llvm::AArch64RegisterInfo::eliminateFrameIndex(), emitDebugValueComment(), llvm::AArch64FrameLowering::emitEpilogue(), llvm::emitFrameOffset(), emitFrameOffsetAdj(), llvm::AArch64FrameLowering::emitPrologue(), getFPOffset(), llvm::R600FrameLowering::getFrameIndexReference(), llvm::NVPTXFrameLowering::getFrameIndexReference(), llvm::SIFrameLowering::getFrameIndexReference(), llvm::MipsSEFrameLowering::getFrameIndexReference(), llvm::RISCVFrameLowering::getFrameIndexReference(), llvm::CSKYFrameLowering::getFrameIndexReference(), llvm::LoongArchFrameLowering::getFrameIndexReference(), llvm::SparcFrameLowering::getFrameIndexReference(), llvm::ARMFrameLowering::getFrameIndexReference(), llvm::VEFrameLowering::getFrameIndexReference(), llvm::SystemZELFFrameLowering::getFrameIndexReference(), llvm::HexagonFrameLowering::getFrameIndexReference(), llvm::X86FrameLowering::getFrameIndexReference(), llvm::M68kFrameLowering::getFrameIndexReference(), llvm::TargetFrameLowering::getFrameIndexReference(), llvm::AArch64FrameLowering::getFrameIndexReferencePreferSP(), llvm::X86FrameLowering::getFrameIndexReferenceSP(), llvm::AArch64FrameLowering::getNonLocalFrameIndexReference(), getStackOffset(), llvm::AArch64RegisterInfo::isFrameOffsetLegal(), llvm::AArch64RegisterInfo::resolveFrameIndex(), llvm::AArch64FrameLowering::resolveFrameOffsetReference(), and llvm::rewriteAArch64FrameIndex().

getFixed() [2/2]

static StackOffset llvm::StackOffset::getFixed ( ScalarTy  Fixed )

inlinestatic

Definition at line 143 of file TypeSize.h.

References llvm::Fixed.

Referenced by llvm::M68kRegisterInfo::eliminateFrameIndex(), llvm::X86RegisterInfo::eliminateFrameIndex(), llvm::SystemZRegisterInfo::eliminateFrameIndex(), llvm::SystemZELFFrameLowering::emitPrologue(), llvm::X86FrameLowering::emitPrologue(), llvm::AArch64FrameLowering::getSEHFrameIndexOffset(), llvm::X86FrameLowering::getWin64EHFrameIndexRef(), llvm::isAArch64FrameOffsetLegal(), LiveDebugValues::SpillLoc::operator<(), llvm::AArch64FrameLowering::resolveFrameOffsetReference(), and llvm::X86FrameLowering::restoreWin32EHStackPointers().

getScalable() [1/2]

ScalarTy llvm::StackOffset::getScalable ( ) const

inline

Definition at line 150 of file TypeSize.h.

References llvm::LinearPolyBase< StackOffset >::getValue().

Referenced by llvm::AArch64FrameLowering::emitEpilogue(), llvm::emitFrameOffset(), emitFrameOffsetAdj(), llvm::RISCVFrameLowering::getFrameIndexReference(), and getSVEStackSize().

getScalable() [2/2]

static StackOffset llvm::StackOffset::getScalable ( ScalarTy  Scalable )

inlinestatic

Definition at line 144 of file TypeSize.h.

Referenced by llvm::isAArch64FrameOffsetLegal(), LiveDebugValues::SpillLoc::operator<(), and llvm::AArch64FrameLowering::resolveFrameOffsetReference().

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

• include/llvm/Support/TypeSize.h