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Showing content from https://clang.llvm.org/doxygen/CGCXX_8cpp_source.html below:

clang: lib/CodeGen/CGCXX.cpp Source File

;

CodeGen;

!

->getParent()->field_empty())

(!

->hasTrivialBody())

(

->mayInsertExtraPadding())

(

->getNumVBases()) {

(

*I :

->fields())

(I->getType().isDestructedType())

(

&I :

->bases()) {

(I.isVirtual())

;

(

->hasTrivialDestructor())

;

(UniqueBase)

;

(!llvm::GlobalAlias::isValidLinkage(

))

llvm::GlobalValue::LinkageTypes TargetLinkage =

(Entry && !Entry->isDeclaration())

(Replacements.count(MangledName))

*Aliasee = cast<llvm::GlobalValue>(

(TargetDecl));

(llvm::GlobalValue::isDiscardableIfUnused(

) &&

!(TargetLinkage == llvm::GlobalValue::AvailableExternallyLinkage &&

(llvm::GlobalValue::isWeakForLinker(

) &&

(Aliasee->isDeclarationForLinker())

(llvm::GlobalValue::isWeakForLinker(TargetLinkage))

*Alias = llvm::GlobalAlias::create(AliasValueType, 0,

,

,

Alias->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);

assert(Entry->getValueType() == AliasValueType &&

Entry->getAddressSpace() == Alias->getAddressSpace() &&

);

Alias->takeName(Entry);

Entry->replaceAllUsesWith(Alias);

Entry->eraseFromParent();

Alias->setName(MangledName);

*Fn = cast<llvm::Function>(

setNonAliasAttributes(GD, Fn);

*MD = cast<CXXMethodDecl>(GD.

());

(isa<CXXDestructorDecl>(MD)) {

MD->getParent()->getNumVBases() == 0)

llvm::Constant *Ptr = GetOrCreateLLVMFunction(

,

llvm::AttributeList(), IsForDefinition);

{FnType, Ptr};

);

assert(VTable &&

);

llvm::Value *VFuncPtr =

CGF.

.CreateConstInBoundsGEP1_64(Ty, VTable, VTableIndex,

);

Callee(GD, VFunc, PointerAuth);

);

assert(RT &&

);

*RD = cast<CXXRecordDecl>(RT->

());

(

*DD = dyn_cast<CXXDestructorDecl>(MD))

return ::BuildAppleKextVirtualCall(*

, MD, Ty, RD);

return ::BuildAppleKextVirtualCall(*

,

(DD,

), Ty, RD);

Defines the clang::ASTContext interface.

static CGCallee BuildAppleKextVirtualCall(CodeGenFunction &CGF, GlobalDecl GD, llvm::Type *Ty, const CXXRecordDecl *RD)

Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate....

const ASTRecordLayout & getASTRecordLayout(const RecordDecl *D) const

Get or compute information about the layout of the specified record (struct/union/class) D,...

ASTRecordLayout - This class contains layout information for one RecordDecl, which is a struct/union/...

CharUnits getBaseClassOffset(const CXXRecordDecl *Base) const

getBaseClassOffset - Get the offset, in chars, for the given base class.

Represents a C++ destructor within a class.

Represents a static or instance method of a struct/union/class.

Represents a C++ struct/union/class.

CXXDestructorDecl * getDestructor() const

Returns the destructor decl for this class.

CharUnits - This is an opaque type for sizes expressed in character units.

bool isZero() const

isZero - Test whether the quantity equals zero.

static CharUnits Zero()

Zero - Construct a CharUnits quantity of zero.

PointerAuthOptions PointerAuth

Configuration for pointer-signing.

llvm::LoadInst * CreateAlignedLoad(llvm::Type *Ty, llvm::Value *Addr, CharUnits Align, const llvm::Twine &Name="")

virtual llvm::GlobalVariable * getAddrOfVTable(const CXXRecordDecl *RD, CharUnits VPtrOffset)=0

Get the address of the vtable for the given record decl which should be used for the vptr at the give...

All available information about a concrete callee.

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

CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...

CGCallee BuildAppleKextVirtualDestructorCall(const CXXDestructorDecl *DD, CXXDtorType Type, const CXXRecordDecl *RD)

CGCallee BuildAppleKextVirtualCall(const CXXMethodDecl *MD, NestedNameSpecifier *Qual, llvm::Type *Ty)

void GenerateCode(GlobalDecl GD, llvm::Function *Fn, const CGFunctionInfo &FnInfo)

CGPointerAuthInfo EmitPointerAuthInfo(const PointerAuthSchema &Schema, llvm::Value *StorageAddress, GlobalDecl SchemaDecl, QualType SchemaType)

This class organizes the cross-function state that is used while generating LLVM code.

llvm::Module & getModule() const

llvm::FunctionCallee getAddrAndTypeOfCXXStructor(GlobalDecl GD, const CGFunctionInfo *FnInfo=nullptr, llvm::FunctionType *FnType=nullptr, bool DontDefer=false, ForDefinition_t IsForDefinition=NotForDefinition)

llvm::Constant * getAddrOfCXXStructor(GlobalDecl GD, const CGFunctionInfo *FnInfo=nullptr, llvm::FunctionType *FnType=nullptr, bool DontDefer=false, ForDefinition_t IsForDefinition=NotForDefinition)

Return the address of the constructor/destructor of the given type.

CodeGenTypes & getTypes()

const TargetInfo & getTarget() const

bool TryEmitBaseDestructorAsAlias(const CXXDestructorDecl *D)

Try to emit a base destructor as an alias to its primary base-class destructor.

CGCXXABI & getCXXABI() const

llvm::Function * codegenCXXStructor(GlobalDecl GD)

const llvm::Triple & getTriple() const

llvm::GlobalVariable::LinkageTypes getFunctionLinkage(GlobalDecl GD)

void setFunctionLinkage(GlobalDecl GD, llvm::Function *F)

llvm::Constant * GetAddrOfGlobal(GlobalDecl GD, ForDefinition_t IsForDefinition=NotForDefinition)

ItaniumVTableContext & getItaniumVTableContext()

const CodeGenOptions & getCodeGenOpts() const

StringRef getMangledName(GlobalDecl GD)

void SetCommonAttributes(GlobalDecl GD, llvm::GlobalValue *GV)

Set attributes which are common to any form of a global definition (alias, Objective-C method,...

llvm::LLVMContext & getLLVMContext()

llvm::GlobalValue * GetGlobalValue(StringRef Ref)

void addReplacement(StringRef Name, llvm::Constant *C)

void SetLLVMFunctionAttributesForDefinition(const Decl *D, llvm::Function *F)

Set the LLVM function attributes which only apply to a function definition.

llvm::FunctionType * GetFunctionType(const CGFunctionInfo &Info)

GetFunctionType - Get the LLVM function type for.

const CGFunctionInfo & arrangeCXXStructorDeclaration(GlobalDecl GD)

FunctionType - C99 6.7.5.3 - Function Declarators.

CallingConv getCallConv() const

GlobalDecl - represents a global declaration.

GlobalDecl getCanonicalDecl() const

GlobalDecl getWithDtorType(CXXDtorType Type)

CXXDtorType getDtorType() const

const Decl * getDecl() const

uint64_t getMethodVTableIndex(GlobalDecl GD)

Locate a virtual function in the vtable.

const VTableLayout & getVTableLayout(const CXXRecordDecl *RD)

GlobalDecl findOriginalMethod(GlobalDecl GD)

Return the method that added the v-table slot that will be used to call the given method.

Represents a C++ nested name specifier, such as "\::std::vector<int>::".

SpecifierKind getKind() const

Determine what kind of nested name specifier is stored.

@ TypeSpec

A type, stored as a Type*.

const Type * getAsType() const

Retrieve the type stored in this nested name specifier.

A (possibly-)qualified type.

A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...

RecordDecl * getDecl() const

bool isMicrosoft() const

Is this ABI an MSVC-compatible ABI?

TargetCXXABI getCXXABI() const

Get the C++ ABI currently in use.

The base class of the type hierarchy.

const T * castAs() const

Member-template castAs<specific type>.

const T * getAs() const

Member-template getAs<specific type>'.

size_t getVTableOffset(size_t i) const

AddressPointLocation getAddressPoint(BaseSubobject Base) const

The JSON file list parser is used to communicate input to InstallAPI.

Linkage

Describes the different kinds of linkage (C++ [basic.link], C99 6.2.2) that an entity may have.

CXXDtorType

C++ destructor types.

@ Dtor_Base

Base object dtor.

@ Dtor_Complete

Complete object dtor.

const FunctionProtoType * T

@ Class

The "class" keyword introduces the elaborated-type-specifier.

unsigned char PointerAlignInBytes

PointerAuthSchema CXXVirtualFunctionPointers

The ABI for most C++ virtual function pointers, i.e. v-table entries.

unsigned AddressPointIndex

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