llvm::MaybeAlign Struct Reference

This struct is a compact representation of a valid (power of two) or undefined (0) alignment. More...

#include "llvm/Support/Alignment.h"

Inheritance diagram for llvm::MaybeAlign:

Public Member Functions
	MaybeAlign ()=default
	Default is undefined.
	MaybeAlign (const MaybeAlign &Other)=default
	Do not perform checks in case of copy/move construct/assign, because the checks have been performed when building Other.
MaybeAlign &	operator= (const MaybeAlign &Other)=default
	MaybeAlign (MaybeAlign &&Other)=default
MaybeAlign &	operator= (MaybeAlign &&Other)=default
constexpr	MaybeAlign (std::nullopt_t None)
constexpr	MaybeAlign (Align Value)
	MaybeAlign (uint64_t Value)
Align	valueOrOne () const
	For convenience, returns a valid alignment or 1 if undefined.

Detailed Description

This struct is a compact representation of a valid (power of two) or undefined (0) alignment.

Definition at line 117 of file Alignment.h.

Constructor & Destructor Documentation

MaybeAlign() [1/6]

llvm::MaybeAlign::MaybeAlign ( )

default

Default is undefined.

MaybeAlign() [2/6]

llvm::MaybeAlign::MaybeAlign ( const MaybeAlign &  Other )

default

Do not perform checks in case of copy/move construct/assign, because the checks have been performed when building Other.

MaybeAlign() [3/6]

llvm::MaybeAlign::MaybeAlign ( MaybeAlign &&  Other )

default

MaybeAlign() [4/6]

constexpr llvm::MaybeAlign::MaybeAlign ( std::nullopt_t  None )

inlineconstexpr

Definition at line 131 of file Alignment.h.

MaybeAlign() [5/6]

constexpr llvm::MaybeAlign::MaybeAlign ( Align  Value )

inlineconstexpr

Definition at line 132 of file Alignment.h.

MaybeAlign() [6/6]

llvm::MaybeAlign::MaybeAlign ( uint64_t  Value )

inlineexplicit

Definition at line 133 of file Alignment.h.

References assert(), emplace(), and llvm::isPowerOf2_64().

Member Function Documentation

operator=() [1/2]

MaybeAlign & llvm::MaybeAlign::operator= ( const MaybeAlign &  Other )

default

operator=() [2/2]

MaybeAlign & llvm::MaybeAlign::operator= ( MaybeAlign &&  Other )

default

valueOrOne()

Align llvm::MaybeAlign::valueOrOne ( ) const

inline

For convenience, returns a valid alignment or 1 if undefined.

Definition at line 141 of file Alignment.h.

Referenced by AddReturnAttributes(), llvm::RISCVRegisterInfo::adjustReg(), llvm::SPIRVGlobalRegistry::buildGlobalVariable(), llvm::RISCV::CC_RISCV(), llvm::RISCV::CC_RISCV_FastCC(), llvm::AMDGPU::HSAMD::MetadataStreamerMsgPackV4::emitKernelArg(), llvm::expandAtomicMemCpyAsLoop(), llvm::expandMemCpyAsLoop(), llvm::expandMemMoveAsLoop(), llvm::expandMemSetAsLoop(), llvm::object::SectionRef::getAlignment(), llvm::ConstantInt::getAlignValue(), getFrameLayout(), llvm::AMDGPU::getInterestingMemoryOperands(), llvm::HexagonTTIImpl::getMemoryOpCost(), llvm::X86TTIImpl::getMemoryOpCost(), llvm::ISD::ArgFlagsTy::getNonZeroMemAlign(), llvm::ISD::ArgFlagsTy::getNonZeroOrigAlign(), llvm::Value::getPointerAlignment(), HandleByValArgument(), llvm::MIRParserImpl::initializeMachineFunction(), llvm::VETargetLowering::lowerDYNAMIC_STACKALLOC(), optimizeCallInst(), scalarizeMaskedCompressStore(), scalarizeMaskedExpandLoad(), tocDataChecks(), and llvm::InstCombinerImpl::visitCallInst().

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

• include/llvm/Support/Alignment.h