LLVM: llvm::AttributeSet Class Reference (original) (raw)

This class holds the attributes for a particular argument, parameter, function, or return value. More...

#include "[llvm/IR/Attributes.h](Attributes%5F8h%5Fsource.html)"

Public Member Functions
	AttributeSet ()=default
	AttributeSet is a trivially copyable value type.
	AttributeSet (const AttributeSet &)=default
	~AttributeSet ()=default
bool	operator== (const AttributeSet &O) const
bool	operator!= (const AttributeSet &O) const
LLVM_ABI AttributeSet	addAttribute (LLVMContext &C, Attribute::AttrKind Kind) const
	Add an argument attribute.
LLVM_ABI AttributeSet	addAttribute (LLVMContext &C, StringRef Kind, StringRef Value=StringRef()) const
	Add a target-dependent attribute.
LLVM_ABI AttributeSet	addAttributes (LLVMContext &C, AttributeSet AS) const
	Add attributes to the attribute set.
AttributeSet	addAttributes (LLVMContext &C, const AttrBuilder &B) const
	Add attributes to the attribute set.
LLVM_ABI AttributeSet	removeAttribute (LLVMContext &C, Attribute::AttrKind Kind) const
	Remove the specified attribute from this set.
LLVM_ABI AttributeSet	removeAttribute (LLVMContext &C, StringRef Kind) const
	Remove the specified attribute from this set.
LLVM_ABI AttributeSet	removeAttributes (LLVMContext &C, const AttributeMask &AttrsToRemove) const
	Remove the specified attributes from this set.
LLVM_ABI std::optional< AttributeSet >	intersectWith (LLVMContext &C, AttributeSet Other) const
	Try to intersect this AttributeSet with Other.
LLVM_ABI unsigned	getNumAttributes () const
	Return the number of attributes in this set.
bool	hasAttributes () const
	Return true if attributes exists in this set.
LLVM_ABI bool	hasAttribute (Attribute::AttrKind Kind) const
	Return true if the attribute exists in this set.
LLVM_ABI bool	hasAttribute (StringRef Kind) const
	Return true if the attribute exists in this set.
LLVM_ABI Attribute	getAttribute (Attribute::AttrKind Kind) const
	Return the attribute object.
LLVM_ABI Attribute	getAttribute (StringRef Kind) const
	Return the target-dependent attribute object.
LLVM_ABI MaybeAlign	getAlignment () const
LLVM_ABI MaybeAlign	getStackAlignment () const
LLVM_ABI uint64_t	getDereferenceableBytes () const
LLVM_ABI uint64_t	getDereferenceableOrNullBytes () const
LLVM_ABI Type *	getByValType () const
LLVM_ABI Type *	getStructRetType () const
LLVM_ABI Type *	getByRefType () const
LLVM_ABI Type *	getPreallocatedType () const
LLVM_ABI Type *	getInAllocaType () const
LLVM_ABI Type *	getElementType () const
LLVM_ABI std::optional< std::pair< unsigned, std::optional< unsigned > > >	getAllocSizeArgs () const
LLVM_ABI unsigned	getVScaleRangeMin () const
LLVM_ABI std::optional< unsigned >	getVScaleRangeMax () const
LLVM_ABI UWTableKind	getUWTableKind () const
LLVM_ABI AllocFnKind	getAllocKind () const
LLVM_ABI MemoryEffects	getMemoryEffects () const
LLVM_ABI CaptureInfo	getCaptureInfo () const
LLVM_ABI FPClassTest	getNoFPClass () const
LLVM_ABI std::string	getAsString (bool InAttrGrp=false) const
LLVM_ABI bool	hasParentContext (LLVMContext &C) const
	Return true if this attribute set belongs to the LLVMContext.
LLVM_ABI iterator	begin () const
LLVM_ABI iterator	end () const
void	dump () const

Friends
template<typename Ty, typename Enable>
struct	DenseMapInfo

This class holds the attributes for a particular argument, parameter, function, or return value.

It is an immutable value type that is cheap to copy. Adding and removing enum attributes is intended to be fast, but adding and removing string or integer attributes involves a FoldingSet lookup.

Definition at line 361 of file Attributes.h.

◆ iterator

llvm::AttributeSet::AttributeSet ( )	default

◆ AttributeSet() [2/2]

◆ ~AttributeSet()

llvm::AttributeSet::~AttributeSet ( )	default

◆ addAttribute() [1/2]

◆ addAttribute() [2/2]

◆ addAttributes() [1/2]

◆ addAttributes() [2/2]

◆ begin()

AttributeSet::iterator AttributeSet::begin	(	)	const

◆ dump()

◆ end()

AttributeSet::iterator AttributeSet::end	(	)	const

◆ get() [1/2]

◆ get() [2/2]

Definition at line 927 of file Attributes.cpp.

References AttributeSet(), B(), llvm::CallingConv::C, and llvm::AttributeSetNode::get().

Referenced by addAttribute(), addAttribute(), addAttributes(), addAttributes(), AddParamAndFnBasicAttributes(), intersectWith(), llvm::promoteCall(), removeAttribute(), removeAttribute(), and removeAttributes().

◆ getAlignment()

◆ getAllocKind()

◆ getAllocSizeArgs()

std::optional< std::pair< unsigned, std::optional< unsigned > > > AttributeSet::getAllocSizeArgs	(	)	const

◆ getAsString()

std::string AttributeSet::getAsString	(	bool	InAttrGrp = false	)	const

◆ getAttribute() [1/2]

◆ getAttribute() [2/2]

◆ getByRefType()

Type * AttributeSet::getByRefType	(	)	const

◆ getByValType()

Type * AttributeSet::getByValType	(	)	const

◆ getCaptureInfo()

◆ getDereferenceableBytes()

uint64_t AttributeSet::getDereferenceableBytes	(	)	const

◆ getDereferenceableOrNullBytes()

uint64_t AttributeSet::getDereferenceableOrNullBytes	(	)	const

◆ getElementType()

Type * AttributeSet::getElementType	(	)	const

◆ getInAllocaType()

Type * AttributeSet::getInAllocaType	(	)	const

◆ getMemoryEffects()

◆ getNoFPClass()

◆ getNumAttributes()

unsigned AttributeSet::getNumAttributes	(	)	const

Return the number of attributes in this set.

Definition at line 1133 of file Attributes.cpp.

◆ getPreallocatedType()

Type * AttributeSet::getPreallocatedType	(	)	const

◆ getStackAlignment()

MaybeAlign AttributeSet::getStackAlignment	(	)	const

◆ getStructRetType()

Type * AttributeSet::getStructRetType	(	)	const

◆ getUWTableKind()

◆ getVScaleRangeMax()

std::optional< unsigned > AttributeSet::getVScaleRangeMax	(	)	const

◆ getVScaleRangeMin()

unsigned AttributeSet::getVScaleRangeMin	(	)	const

◆ hasAttribute() [1/2]

◆ hasAttribute() [2/2]

Return true if the attribute exists in this set.

Definition at line 1141 of file Attributes.cpp.

◆ hasAttributes()

bool llvm::AttributeSet::hasAttributes ( ) const	inline

◆ hasParentContext()

◆ intersectWith()

Try to intersect this AttributeSet with Other.

Returns std::nullopt if the two lists are inherently incompatible (imply different behavior, not just analysis).

Definition at line 1004 of file Attributes.cpp.

References assert(), begin(), llvm::CallingConv::C, end(), get(), llvm::Attribute::getAlignment(), getAttribute(), llvm::Attribute::getCaptureInfo(), llvm::Attribute::getKindAsEnum(), llvm::Attribute::getMemoryEffects(), llvm::Attribute::getNoFPClass(), llvm::Attribute::getRange(), llvm::Attribute::getValueAsInt(), llvm::Attribute::hasKindAsEnum(), llvm::Attribute::intersectMustPreserve(), llvm::Attribute::intersectWithAnd(), llvm::Attribute::intersectWithCustom(), llvm::Attribute::intersectWithMin(), llvm::Attribute::isEnumAttrKind(), llvm::ConstantRange::isFullSet(), llvm::Attribute::isIntAttrKind(), llvm::Attribute::isValid(), llvm_unreachable, llvm::Other, llvm::ConstantRange::unionWith(), and llvm::MaybeAlign::valueOrOne().