ABIInfo - Target specific hooks for defining how a type should be passed or returned from functions. More...

#include "/home/buildbot/as-worker-4/publish-doxygen-docs/llvm-project/clang/lib/CodeGen/ABIInfo.h"

Inheritance diagram for clang::CodeGen::ABIInfo:

Public Member Functions
	ABIInfo (CodeGen::CodeGenTypes &cgt)
virtual	~ABIInfo ()
virtual bool	allowBFloatArgsAndRet () const
CodeGen::CGCXXABI &	getCXXABI () const
ASTContext &	getContext () const
llvm::LLVMContext &	getVMContext () const
const llvm::DataLayout &	getDataLayout () const
const TargetInfo &	getTarget () const
const CodeGenOptions &	getCodeGenOpts () const
llvm::CallingConv::ID	getRuntimeCC () const
	Return the calling convention to use for system runtime functions.
virtual void	computeInfo (CodeGen::CGFunctionInfo &FI) const =0
virtual RValue	EmitVAArg (CodeGen::CodeGenFunction &CGF, CodeGen::Address VAListAddr, QualType Ty, AggValueSlot Slot) const =0
	EmitVAArg - Emit the target dependent code to load a value of.
bool	isAndroid () const
bool	isOHOSFamily () const
virtual RValue	EmitMSVAArg (CodeGen::CodeGenFunction &CGF, CodeGen::Address VAListAddr, QualType Ty, AggValueSlot Slot) const
	Emit the target dependent code to load a value of.
virtual bool	isHomogeneousAggregateBaseType (QualType Ty) const
virtual bool	isHomogeneousAggregateSmallEnough (const Type *Base, uint64_t Members) const
virtual bool	isZeroLengthBitfieldPermittedInHomogeneousAggregate () const
bool	isHomogeneousAggregate (QualType Ty, const Type *&Base, uint64_t &Members) const
	isHomogeneousAggregate - Return true if a type is an ELFv2 homogeneous aggregate.
bool	isPromotableIntegerTypeForABI (QualType Ty) const
CodeGen::ABIArgInfo	getNaturalAlignIndirect (QualType Ty, unsigned AddrSpace, bool ByVal=true, bool Realign=false, llvm::Type *Padding=nullptr) const
	A convenience method to return an indirect ABIArgInfo with an expected alignment equal to the ABI alignment of the given type.
CodeGen::ABIArgInfo	getNaturalAlignIndirectInReg (QualType Ty, bool Realign=false) const
virtual void	appendAttributeMangling (TargetAttr *Attr, raw_ostream &Out) const
virtual void	appendAttributeMangling (TargetVersionAttr *Attr, raw_ostream &Out) const
virtual void	appendAttributeMangling (TargetClonesAttr *Attr, unsigned Index, raw_ostream &Out) const
virtual void	appendAttributeMangling (StringRef AttrStr, raw_ostream &Out) const
virtual llvm::FixedVectorType *	getOptimalVectorMemoryType (llvm::FixedVectorType *T, const LangOptions &Opt) const
	Returns the optimal vector memory type based on the given vector type.
virtual llvm::Value *	createCoercedLoad (Address SrcAddr, const ABIArgInfo &AI, CodeGenFunction &CGF) const
virtual void	createCoercedStore (llvm::Value *Val, Address DstAddr, const ABIArgInfo &AI, bool DestIsVolatile, CodeGenFunction &CGF) const

Protected Attributes
CodeGen::CodeGenTypes &	CGT
llvm::CallingConv::ID	RuntimeCC

Detailed Description

ABIInfo - Target specific hooks for defining how a type should be passed or returned from functions.

Definition at line 48 of file ABIInfo.h.

Constructor & Destructor Documentation

◆ ABIInfo()

clang::CodeGen::ABIInfo::ABIInfo ( CodeGen::CodeGenTypes & cgt )

inline

Definition at line 54 of file ABIInfo.h.

References clang::C, CGT, and RuntimeCC.

Referenced by clang::CodeGen::DefaultABIInfo::DefaultABIInfo(), and WebAssemblyABIInfo::WebAssemblyABIInfo().

◆ ~ABIInfo()

ABIInfo::~ABIInfo ( )

virtualdefault

Member Function Documentation

◆ allowBFloatArgsAndRet()

virtual bool clang::CodeGen::ABIInfo::allowBFloatArgsAndRet ( ) const

inlinevirtual

Definition at line 59 of file ABIInfo.h.

◆ appendAttributeMangling() [1/4]

void ABIInfo::appendAttributeMangling	(	StringRef	AttrStr,
		raw_ostream &	Out ) const

virtual

Definition at line 204 of file ABIInfo.cpp.

References CGT, clang::ParsedTargetAttr::Features, clang::TargetInfo::getFMVPriority(), and clang::TargetInfo::parseTargetAttr().

◆ appendAttributeMangling() [2/4]

void ABIInfo::appendAttributeMangling	(	TargetAttr *	Attr,
		raw_ostream &	Out ) const

virtual

Definition at line 186 of file ABIInfo.cpp.

References appendAttributeMangling().

Referenced by appendAttributeMangling(), appendAttributeMangling(), appendAttributeMangling(), and getMangledNameImpl().

◆ appendAttributeMangling() [3/4]

void ABIInfo::appendAttributeMangling	(	TargetClonesAttr *	Attr,
		unsigned	Index,
		raw_ostream &	Out ) const

virtual

Definition at line 198 of file ABIInfo.cpp.

References appendAttributeMangling().

◆ appendAttributeMangling() [4/4]

void ABIInfo::appendAttributeMangling	(	TargetVersionAttr *	Attr,
		raw_ostream &	Out ) const

virtual

Definition at line 193 of file ABIInfo.cpp.

References appendAttributeMangling().

◆ computeInfo()

virtual void clang::CodeGen::ABIInfo::computeInfo ( CodeGen::CGFunctionInfo & FI ) const

pure virtual

Implemented in clang::CodeGen::DefaultABIInfo.

◆ createCoercedLoad()

llvm::Value * ABIInfo::createCoercedLoad	(	Address	SrcAddr,
		const ABIArgInfo &	AI,
		CodeGenFunction &	CGF ) const

virtual

Definition at line 246 of file ABIInfo.cpp.

◆ createCoercedStore()

void ABIInfo::createCoercedStore	(	llvm::Value *	Val,
		Address	DstAddr,
		const ABIArgInfo &	AI,
		bool	DestIsVolatile,
		CodeGenFunction &	CGF ) const

virtual

Definition at line 251 of file ABIInfo.cpp.

◆ EmitMSVAArg()

RValue ABIInfo::EmitMSVAArg	(	CodeGen::CodeGenFunction &	CGF,
		CodeGen::Address	VAListAddr,
		QualType	Ty,
		AggValueSlot	Slot ) const

virtual

Emit the target dependent code to load a value of.

Ty from the __builtin_ms_va_list pointed to by
VAListAddr.

Definition at line 42 of file ABIInfo.cpp.

References clang::CodeGen::RValue::getIgnored().

◆ EmitVAArg()

virtual RValue clang::CodeGen::ABIInfo::EmitVAArg	(	CodeGen::CodeGenFunction &	CGF,
		CodeGen::Address	VAListAddr,
		QualType	Ty,
		AggValueSlot	Slot ) const

pure virtual

EmitVAArg - Emit the target dependent code to load a value of.

Ty from the va_list pointed to by
VAListAddr.

Implemented in clang::CodeGen::DefaultABIInfo.

References clang::T, and clang::CodeGen::Type.

◆ getCodeGenOpts()

const CodeGenOptions & ABIInfo::getCodeGenOpts ( ) const

Definition at line 32 of file ABIInfo.cpp.

References CGT.

◆ getContext()

ASTContext & ABIInfo::getContext ( ) const

Definition at line 20 of file ABIInfo.cpp.

References CGT.

Referenced by clang::CodeGen::DefaultABIInfo::classifyArgumentType(), clang::CodeGen::DefaultABIInfo::classifyReturnType(), getNaturalAlignIndirect(), getNaturalAlignIndirectInReg(), isHomogeneousAggregate(), isPromotableIntegerTypeForABI(), and isZeroLengthBitfieldPermittedInHomogeneousAggregate().

◆ getCXXABI()

CGCXXABI & ABIInfo::getCXXABI ( ) const

Definition at line 18 of file ABIInfo.cpp.

References CGT.

Referenced by clang::CodeGen::DefaultABIInfo::classifyArgumentType(), clang::CodeGen::DefaultABIInfo::computeInfo(), and isHomogeneousAggregate().

◆ getDataLayout()

const llvm::DataLayout & ABIInfo::getDataLayout ( ) const

Definition at line 26 of file ABIInfo.cpp.

References CGT.

Referenced by clang::CodeGen::DefaultABIInfo::classifyArgumentType(), clang::CodeGen::classifyReturnType(), and clang::CodeGen::DefaultABIInfo::classifyReturnType().

◆ getNaturalAlignIndirect()

ABIArgInfo ABIInfo::getNaturalAlignIndirect	(	QualType	Ty,
		unsigned	AddrSpace,
		bool	ByVal = true,
		bool	Realign = false,
		llvm::Type *	Padding = nullptr ) const

A convenience method to return an indirect ABIArgInfo with an expected alignment equal to the ABI alignment of the given type.

Definition at line 173 of file ABIInfo.cpp.

References getContext(), and clang::CodeGen::ABIArgInfo::getIndirect().

Referenced by clang::CodeGen::DefaultABIInfo::classifyArgumentType(), clang::CodeGen::classifyReturnType(), and clang::CodeGen::DefaultABIInfo::classifyReturnType().

◆ getNaturalAlignIndirectInReg()

ABIArgInfo ABIInfo::getNaturalAlignIndirectInReg	(	QualType	Ty,
		bool	Realign = false ) const

Definition at line 180 of file ABIInfo.cpp.

References getContext(), and clang::CodeGen::ABIArgInfo::getIndirectInReg().

◆ getOptimalVectorMemoryType()

llvm::FixedVectorType * ABIInfo::getOptimalVectorMemoryType	(	llvm::FixedVectorType *	T,
		const LangOptions &	Opt ) const

virtual

Returns the optimal vector memory type based on the given vector type.

For example, on certain targets, a vector with 3 elements might be promoted to one with 4 elements to improve performance.

Definition at line 239 of file ABIInfo.cpp.

References clang::T.

◆ getRuntimeCC()

llvm::CallingConv::ID clang::CodeGen::ABIInfo::getRuntimeCC ( ) const

inline

Return the calling convention to use for system runtime functions.

Definition at line 70 of file ABIInfo.h.

References RuntimeCC.

◆ getTarget()

const TargetInfo & ABIInfo::getTarget ( ) const

Definition at line 30 of file ABIInfo.cpp.

References CGT.

Referenced by isAndroid(), and isOHOSFamily().

◆ getVMContext()

llvm::LLVMContext & ABIInfo::getVMContext ( ) const

Definition at line 22 of file ABIInfo.cpp.

References CGT.

◆ isAndroid()

bool ABIInfo::isAndroid ( ) const

Definition at line 36 of file ABIInfo.cpp.

References getTarget(), and clang::TargetInfo::getTriple().

◆ isHomogeneousAggregate()

bool ABIInfo::isHomogeneousAggregate	(	QualType	Ty,
		const Type *&	Base,
		uint64_t &	Members ) const

isHomogeneousAggregate - Return true if a type is an ELFv2 homogeneous aggregate.

Base is set to the base element type, and Members is set to the number of base elements.

Definition at line 61 of file ABIInfo.cpp.

References clang::Type::getAs(), clang::Type::getAsRecordDecl(), getContext(), getCXXABI(), clang::QualType::getTypePtr(), clang::ASTContext::getTypeSize(), clang::ASTContext::getVectorType(), clang::CodeGen::isEmptyRecord(), isHomogeneousAggregate(), isHomogeneousAggregateBaseType(), isHomogeneousAggregateSmallEnough(), clang::Type::isVectorType(), isZeroLengthBitfieldPermittedInHomogeneousAggregate(), and clang::CodeGen::Type.

Referenced by diagnoseIfNeedsFPReg(), isHomogeneousAggregate(), and isTrivialForMSVC().

◆ isHomogeneousAggregateBaseType()

bool ABIInfo::isHomogeneousAggregateBaseType ( QualType Ty ) const

virtual

Definition at line 47 of file ABIInfo.cpp.

Referenced by isHomogeneousAggregate().

◆ isHomogeneousAggregateSmallEnough()

bool ABIInfo::isHomogeneousAggregateSmallEnough	(	const Type *	Base,
		uint64_t	Members ) const

virtual

Definition at line 51 of file ABIInfo.cpp.

References clang::CodeGen::Type.

Referenced by isHomogeneousAggregate().

◆ isOHOSFamily()

bool ABIInfo::isOHOSFamily ( ) const

Definition at line 38 of file ABIInfo.cpp.

References getTarget(), and clang::TargetInfo::getTriple().

◆ isPromotableIntegerTypeForABI()

bool ABIInfo::isPromotableIntegerTypeForABI ( QualType Ty ) const

Definition at line 162 of file ABIInfo.cpp.

References clang::Type::getAs(), and getContext().

Referenced by clang::CodeGen::DefaultABIInfo::classifyArgumentType(), and clang::CodeGen::DefaultABIInfo::classifyReturnType().

◆ isZeroLengthBitfieldPermittedInHomogeneousAggregate()

bool ABIInfo::isZeroLengthBitfieldPermittedInHomogeneousAggregate ( ) const

virtual

Definition at line 56 of file ABIInfo.cpp.

References getContext(), and clang::ASTContext::getLangOpts().

Referenced by isHomogeneousAggregate().

Member Data Documentation

◆ CGT

CodeGen::CodeGenTypes& clang::CodeGen::ABIInfo::CGT

protected

Definition at line 50 of file ABIInfo.h.

Referenced by ABIInfo(), appendAttributeMangling(), clang::CodeGen::DefaultABIInfo::classifyArgumentType(), clang::CodeGen::DefaultABIInfo::DefaultABIInfo(), getCodeGenOpts(), getContext(), getCXXABI(), getDataLayout(), getTarget(), getVMContext(), and WebAssemblyABIInfo::WebAssemblyABIInfo().

◆ RuntimeCC

llvm::CallingConv::ID clang::CodeGen::ABIInfo::RuntimeCC

protected

Definition at line 51 of file ABIInfo.h.

Referenced by ABIInfo(), and getRuntimeCC().

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

lib/CodeGen/ABIInfo.h
lib/CodeGen/ABIInfo.cpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ ABIInfo()

◆ ~ABIInfo()

Member Function Documentation

◆ allowBFloatArgsAndRet()

◆ appendAttributeMangling() [1/4]

◆ appendAttributeMangling() [2/4]

◆ appendAttributeMangling() [3/4]

◆ appendAttributeMangling() [4/4]

◆ computeInfo()

◆ createCoercedLoad()

◆ createCoercedStore()

◆ EmitMSVAArg()

◆ EmitVAArg()

◆ getCodeGenOpts()

◆ getContext()

◆ getCXXABI()

◆ getDataLayout()

◆ getNaturalAlignIndirect()

◆ getNaturalAlignIndirectInReg()

◆ getOptimalVectorMemoryType()

◆ getRuntimeCC()

◆ getTarget()

◆ getVMContext()

◆ isAndroid()

◆ isHomogeneousAggregate()

◆ isHomogeneousAggregateBaseType()

◆ isHomogeneousAggregateSmallEnough()

◆ isOHOSFamily()

◆ isPromotableIntegerTypeForABI()

◆ isZeroLengthBitfieldPermittedInHomogeneousAggregate()

Member Data Documentation

◆ CGT

◆ RuntimeCC