CGFunctionInfo - Class to encapsulate the information about a function definition. More...

#include "clang/CodeGen/CGFunctionInfo.h"

Inheritance diagram for clang::CodeGen::CGFunctionInfo:

Collaboration diagram for clang::CodeGen::CGFunctionInfo:

Public Types
typedef const ArgInfo *	const_arg_iterator

typedef ArgInfo *	arg_iterator

Public Member Functions
void	operator delete (void *p)

size_t	numTrailingObjects (OverloadToken< ArgInfo >) const

size_t	numTrailingObjects (OverloadToken< ExtParameterInfo >) const

MutableArrayRef< ArgInfo >	arguments ()

ArrayRef< ArgInfo >	arguments () const

const_arg_iterator	arg_begin () const

const_arg_iterator	arg_end () const

arg_iterator	arg_begin ()

arg_iterator	arg_end ()

unsigned	arg_size () const

bool	isVariadic () const

RequiredArgs	getRequiredArgs () const

unsigned	getNumRequiredArgs () const

bool	isInstanceMethod () const

bool	isChainCall () const

bool	isCmseNSCall () const

bool	isNoReturn () const

bool	isReturnsRetained () const
	In ARC, whether this function retains its return value.

bool	isNoCallerSavedRegs () const
	Whether this function no longer saves caller registers.

bool	isNoCfCheck () const
	Whether this function has nocf_check attribute.

CallingConv	getASTCallingConvention () const
	getASTCallingConvention() - Return the AST-specified calling convention.

unsigned	getCallingConvention () const
	getCallingConvention - Return the user specified calling convention, which has been translated into an LLVM CC.

unsigned	getEffectiveCallingConvention () const
	getEffectiveCallingConvention - Return the actual calling convention to use, which may depend on the ABI.

void	setEffectiveCallingConvention (unsigned Value)

bool	getHasRegParm () const

unsigned	getRegParm () const

FunctionType::ExtInfo	getExtInfo () const

CanQualType	getReturnType () const

ABIArgInfo &	getReturnInfo ()

const ABIArgInfo &	getReturnInfo () const

ArrayRef< ExtParameterInfo >	getExtParameterInfos () const

ExtParameterInfo	getExtParameterInfo (unsigned argIndex) const

bool	usesInAlloca () const
	Return true if this function uses inalloca arguments.

llvm::StructType *	getArgStruct () const
	Get the struct type used to represent all the arguments in memory.

CharUnits	getArgStructAlignment () const

void	setArgStruct (llvm::StructType *Ty, CharUnits Align)

unsigned	getMaxVectorWidth () const
	Return the maximum vector width in the arguments.

void	setMaxVectorWidth (unsigned Width)
	Set the maximum vector width in the arguments.

void	Profile (llvm::FoldingSetNodeID &ID)

Static Public Member Functions
static CGFunctionInfo *	create (unsigned llvmCC, bool instanceMethod, bool chainCall, const FunctionType::ExtInfo &extInfo, ArrayRef< ExtParameterInfo > paramInfos, CanQualType resultType, ArrayRef< CanQualType > argTypes, RequiredArgs required)

static void	Profile (llvm::FoldingSetNodeID &ID, bool InstanceMethod, bool ChainCall, const FunctionType::ExtInfo &info, ArrayRef< ExtParameterInfo > paramInfos, RequiredArgs required, CanQualType resultType, ArrayRef< CanQualType > argTypes)

Friends
class	TrailingObjects

Detailed Description

CGFunctionInfo - Class to encapsulate the information about a function definition.

Definition at line 546 of file CGFunctionInfo.h.

Member Typedef Documentation

◆ arg_iterator

typedef ArgInfo* clang::CodeGen::CGFunctionInfo::arg_iterator

Definition at line 640 of file CGFunctionInfo.h.

◆ const_arg_iterator

typedef const ArgInfo* clang::CodeGen::CGFunctionInfo::const_arg_iterator

Definition at line 639 of file CGFunctionInfo.h.

Member Function Documentation

◆ arg_begin() [1/2]

arg_iterator clang::CodeGen::CGFunctionInfo::arg_begin ( )

inline

Definition at line 651 of file CGFunctionInfo.h.

◆ arg_begin() [2/2]

const_arg_iterator clang::CodeGen::CGFunctionInfo::arg_begin ( ) const

inline

Definition at line 649 of file CGFunctionInfo.h.

Referenced by arguments(), clang::CodeGen::swiftcall::computeABIInfo(), clang::CodeGen::CodeGenModule::ConstructAttributeList(), and clang::CodeGen::CodeGenTypes::GetFunctionType().

◆ arg_end() [1/2]

arg_iterator clang::CodeGen::CGFunctionInfo::arg_end ( )

inline

Definition at line 652 of file CGFunctionInfo.h.

◆ arg_end() [2/2]

const_arg_iterator clang::CodeGen::CGFunctionInfo::arg_end ( ) const

inline

Definition at line 650 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ arg_size()

unsigned clang::CodeGen::CGFunctionInfo::arg_size ( ) const

inline

Definition at line 654 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), clang::CodeGen::swiftcall::computeABIInfo(), clang::CodeGen::CodeGenModule::ConstructAttributeList(), and getNumRequiredArgs().

◆ arguments() [1/2]

MutableArrayRef< ArgInfo > clang::CodeGen::CGFunctionInfo::arguments ( )

inline

Definition at line 642 of file CGFunctionInfo.h.

References arg_begin().

Referenced by clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(), and Profile().

◆ arguments() [2/2]

ArrayRef< ArgInfo > clang::CodeGen::CGFunctionInfo::arguments ( ) const

inline

Definition at line 645 of file CGFunctionInfo.h.

References arg_begin().

◆ create()

CGFunctionInfo * CGFunctionInfo::create	(	unsigned	llvmCC,
		bool	instanceMethod,
		bool	chainCall,
		const FunctionType::ExtInfo &	extInfo,
		ArrayRef< ExtParameterInfo >	paramInfos,
		CanQualType	resultType,
		ArrayRef< CanQualType >	argTypes,
		RequiredArgs	required
	)

static

Definition at line 814 of file CGCall.cpp.

References clang::CodeGen::RequiredArgs::allowsOptionalArgs(), clang::FunctionType::ExtInfo::getCC(), clang::FunctionType::ExtInfo::getCmseNSCall(), clang::FunctionType::ExtInfo::getHasRegParm(), clang::FunctionType::ExtInfo::getNoCallerSavedRegs(), clang::FunctionType::ExtInfo::getNoCfCheck(), clang::FunctionType::ExtInfo::getNoReturn(), clang::CodeGen::RequiredArgs::getNumRequiredArgs(), clang::FunctionType::ExtInfo::getProducesResult(), clang::FunctionType::ExtInfo::getRegParm(), and clang::CodeGen::CGFunctionInfoArgInfo::type.

Referenced by clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo().

◆ getArgStruct()

llvm::StructType * clang::CodeGen::CGFunctionInfo::getArgStruct ( ) const

inline

Get the struct type used to represent all the arguments in memory.

Definition at line 728 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList(), and clang::CodeGen::CodeGenTypes::GetFunctionType().

◆ getArgStructAlignment()

CharUnits clang::CodeGen::CGFunctionInfo::getArgStructAlignment ( ) const

inline

Definition at line 729 of file CGFunctionInfo.h.

References clang::CharUnits::fromQuantity().

◆ getASTCallingConvention()

CallingConv clang::CodeGen::CGFunctionInfo::getASTCallingConvention ( ) const

inline

getASTCallingConvention() - Return the AST-specified calling convention.

Definition at line 682 of file CGFunctionInfo.h.

Referenced by getExtInfo(), makeTailCallIfSwiftAsync(), and Profile().

◆ getCallingConvention()

unsigned clang::CodeGen::CGFunctionInfo::getCallingConvention ( ) const

inline

getCallingConvention - Return the user specified calling convention, which has been translated into an LLVM CC.

Definition at line 688 of file CGFunctionInfo.h.

◆ getEffectiveCallingConvention()

unsigned clang::CodeGen::CGFunctionInfo::getEffectiveCallingConvention ( ) const

inline

getEffectiveCallingConvention - Return the actual calling convention to use, which may depend on the ABI.

Definition at line 692 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ getExtInfo()

FunctionType::ExtInfo clang::CodeGen::CGFunctionInfo::getExtInfo ( ) const

inline

Definition at line 702 of file CGFunctionInfo.h.

References getASTCallingConvention(), getHasRegParm(), getRegParm(), isCmseNSCall(), isNoCallerSavedRegs(), isNoCfCheck(), isNoReturn(), and isReturnsRetained().

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall().

◆ getExtParameterInfo()

ExtParameterInfo clang::CodeGen::CGFunctionInfo::getExtParameterInfo ( unsigned argIndex ) const

inline

Definition at line 718 of file CGFunctionInfo.h.

References getExtParameterInfos().

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ getExtParameterInfos()

ArrayRef< ExtParameterInfo > clang::CodeGen::CGFunctionInfo::getExtParameterInfos ( ) const

inline

Definition at line 714 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), getExtParameterInfo(), and Profile().

◆ getHasRegParm()

bool clang::CodeGen::CGFunctionInfo::getHasRegParm ( ) const

inline

Definition at line 699 of file CGFunctionInfo.h.

Referenced by getExtInfo().

◆ getMaxVectorWidth()

unsigned clang::CodeGen::CGFunctionInfo::getMaxVectorWidth ( ) const

inline

Return the maximum vector width in the arguments.

Definition at line 738 of file CGFunctionInfo.h.

◆ getNumRequiredArgs()

unsigned clang::CodeGen::CGFunctionInfo::getNumRequiredArgs ( ) const

inline

Definition at line 658 of file CGFunctionInfo.h.

References arg_size(), clang::CodeGen::RequiredArgs::getNumRequiredArgs(), getRequiredArgs(), and isVariadic().

Referenced by clang::CodeGen::CodeGenTypes::GetFunctionType().

◆ getRegParm()

unsigned clang::CodeGen::CGFunctionInfo::getRegParm ( ) const

inline

Definition at line 700 of file CGFunctionInfo.h.

Referenced by getExtInfo().

◆ getRequiredArgs()

RequiredArgs clang::CodeGen::CGFunctionInfo::getRequiredArgs ( ) const

inline

Definition at line 657 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), and getNumRequiredArgs().

◆ getReturnInfo() [1/2]

ABIArgInfo & clang::CodeGen::CGFunctionInfo::getReturnInfo ( )

inline

Definition at line 711 of file CGFunctionInfo.h.

References clang::CodeGen::CGFunctionInfoArgInfo::info.

Referenced by clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(), classifyReturnType(), clang::CodeGen::swiftcall::computeABIInfo(), clang::CodeGen::CodeGenModule::ConstructAttributeList(), clang::CodeGen::CodeGenTypes::GetFunctionType(), and clang::CodeGen::CodeGenModule::ReturnTypeUsesSRet().

◆ getReturnInfo() [2/2]

const ABIArgInfo & clang::CodeGen::CGFunctionInfo::getReturnInfo ( ) const

inline

Definition at line 712 of file CGFunctionInfo.h.

References clang::CodeGen::CGFunctionInfoArgInfo::info.

◆ getReturnType()

CanQualType clang::CodeGen::CGFunctionInfo::getReturnType ( ) const

inline

Definition at line 709 of file CGFunctionInfo.h.

References clang::CodeGen::CGFunctionInfoArgInfo::type.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(), classifyReturnType(), clang::CodeGen::swiftcall::computeABIInfo(), clang::CodeGen::CodeGenModule::ConstructAttributeList(), clang::CodeGen::CodeGenTypes::GetFunctionType(), and Profile().

◆ isChainCall()

bool clang::CodeGen::CGFunctionInfo::isChainCall ( ) const

inline

Definition at line 664 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), and clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ isCmseNSCall()

bool clang::CodeGen::CGFunctionInfo::isCmseNSCall ( ) const

inline

Definition at line 666 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList(), and getExtInfo().

◆ isInstanceMethod()

bool clang::CodeGen::CGFunctionInfo::isInstanceMethod ( ) const

inline

Definition at line 662 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenTypes::arrangeCall(), and clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ isNoCallerSavedRegs()

bool clang::CodeGen::CGFunctionInfo::isNoCallerSavedRegs ( ) const

inline

Whether this function no longer saves caller registers.

Definition at line 675 of file CGFunctionInfo.h.

Referenced by getExtInfo().

◆ isNoCfCheck()

bool clang::CodeGen::CGFunctionInfo::isNoCfCheck ( ) const

inline

Whether this function has nocf_check attribute.

Definition at line 678 of file CGFunctionInfo.h.

Referenced by getExtInfo().

◆ isNoReturn()

bool clang::CodeGen::CGFunctionInfo::isNoReturn ( ) const

inline

Definition at line 668 of file CGFunctionInfo.h.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList(), and getExtInfo().

◆ isReturnsRetained()

bool clang::CodeGen::CGFunctionInfo::isReturnsRetained ( ) const

inline

In ARC, whether this function retains its return value.

This is not always reliable for call sites.

Definition at line 672 of file CGFunctionInfo.h.

Referenced by getExtInfo().

◆ isVariadic()

bool clang::CodeGen::CGFunctionInfo::isVariadic ( ) const

inline

Definition at line 656 of file CGFunctionInfo.h.

References clang::CodeGen::RequiredArgs::allowsOptionalArgs().

Referenced by clang::CodeGen::CodeGenTypes::GetFunctionType(), and getNumRequiredArgs().

◆ numTrailingObjects() [1/2]

size_t clang::CodeGen::CGFunctionInfo::numTrailingObjects ( OverloadToken< ArgInfo > ) const

inline

Definition at line 632 of file CGFunctionInfo.h.

◆ numTrailingObjects() [2/2]

size_t clang::CodeGen::CGFunctionInfo::numTrailingObjects ( OverloadToken< ExtParameterInfo > ) const

inline

Definition at line 635 of file CGFunctionInfo.h.

◆ operator delete()

void clang::CodeGen::CGFunctionInfo::operator delete ( void * p )

inline

Definition at line 627 of file CGFunctionInfo.h.

◆ Profile() [1/2]

void clang::CodeGen::CGFunctionInfo::Profile ( llvm::FoldingSetNodeID & ID )

inline

Definition at line 748 of file CGFunctionInfo.h.

References arguments(), getASTCallingConvention(), getExtParameterInfos(), clang::CodeGen::RequiredArgs::getOpaqueData(), getReturnType(), and clang::CanQual< T >::Profile().

Referenced by clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo().

◆ Profile() [2/2]

static void clang::CodeGen::CGFunctionInfo::Profile	(	llvm::FoldingSetNodeID &	ID,
		bool	InstanceMethod,
		bool	ChainCall,
		const FunctionType::ExtInfo &	info,
		ArrayRef< ExtParameterInfo >	paramInfos,
		RequiredArgs	required,
		CanQualType	resultType,
		ArrayRef< CanQualType >	argTypes
	)

inlinestatic

Definition at line 769 of file CGFunctionInfo.h.

References clang::FunctionType::ExtInfo::getCC(), clang::FunctionType::ExtInfo::getCmseNSCall(), clang::FunctionType::ExtInfo::getHasRegParm(), clang::FunctionType::ExtInfo::getNoCallerSavedRegs(), clang::FunctionType::ExtInfo::getNoCfCheck(), clang::FunctionType::ExtInfo::getNoReturn(), clang::CodeGen::RequiredArgs::getOpaqueData(), clang::FunctionType::ExtInfo::getProducesResult(), clang::FunctionType::ExtInfo::getRegParm(), and clang::CanQual< T >::Profile().

◆ setArgStruct()

void clang::CodeGen::CGFunctionInfo::setArgStruct	(	llvm::StructType *	Ty,
		CharUnits	Align
	)

inline

Definition at line 732 of file CGFunctionInfo.h.

References clang::CharUnits::getQuantity().

◆ setEffectiveCallingConvention()

void clang::CodeGen::CGFunctionInfo::setEffectiveCallingConvention ( unsigned Value )

inline

Definition at line 695 of file CGFunctionInfo.h.

◆ setMaxVectorWidth()

void clang::CodeGen::CGFunctionInfo::setMaxVectorWidth ( unsigned Width )

inline

Set the maximum vector width in the arguments.

Definition at line 743 of file CGFunctionInfo.h.

◆ usesInAlloca()

bool clang::CodeGen::CGFunctionInfo::usesInAlloca ( ) const

inline

Return true if this function uses inalloca arguments.

Definition at line 725 of file CGFunctionInfo.h.

Referenced by canEmitDelegateCallArgs().

Friends And Related Function Documentation

◆ TrailingObjects

friend class TrailingObjects

friend

Definition at line 631 of file CGFunctionInfo.h.

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

include/clang/CodeGen/CGFunctionInfo.h
lib/CodeGen/CGCall.cpp

Public Types

Public Member Functions

Static Public Member Functions

Friends

Detailed Description

Member Typedef Documentation

◆ arg_iterator

◆ const_arg_iterator

Member Function Documentation

◆ arg_begin() [1/2]

◆ arg_begin() [2/2]

◆ arg_end() [1/2]

◆ arg_end() [2/2]

◆ arg_size()

◆ arguments() [1/2]

◆ arguments() [2/2]

◆ create()

◆ getArgStruct()

◆ getArgStructAlignment()

◆ getASTCallingConvention()

◆ getCallingConvention()

◆ getEffectiveCallingConvention()

◆ getExtInfo()

◆ getExtParameterInfo()

◆ getExtParameterInfos()

◆ getHasRegParm()

◆ getMaxVectorWidth()

◆ getNumRequiredArgs()

◆ getRegParm()

◆ getRequiredArgs()

◆ getReturnInfo() [1/2]

◆ getReturnInfo() [2/2]

◆ getReturnType()

◆ isChainCall()

◆ isCmseNSCall()

◆ isInstanceMethod()

◆ isNoCallerSavedRegs()

◆ isNoCfCheck()

◆ isNoReturn()

◆ isReturnsRetained()

◆ isVariadic()

◆ numTrailingObjects() [1/2]

◆ numTrailingObjects() [2/2]

◆ operator delete()

◆ Profile() [1/2]

◆ Profile() [2/2]

◆ setArgStruct()

◆ setEffectiveCallingConvention()

◆ setMaxVectorWidth()

◆ usesInAlloca()

Friends And Related Function Documentation

◆ TrailingObjects