clang 8.0.0

Macros | Enumerations | Functions
ItaniumCXXABI.cpp File Reference
`#include "CGCXXABI.h"`
`#include "CGCleanup.h"`
`#include "CGRecordLayout.h"`
`#include "CGVTables.h"`
`#include "CodeGenFunction.h"`
`#include "CodeGenModule.h"`
`#include "TargetInfo.h"`
`#include "clang/CodeGen/ConstantInitBuilder.h"`
`#include "clang/AST/Mangle.h"`
`#include "clang/AST/Type.h"`
`#include "clang/AST/StmtCXX.h"`
`#include "llvm/IR/CallSite.h"`
`#include "llvm/IR/DataLayout.h"`
`#include "llvm/IR/GlobalValue.h"`
`#include "llvm/IR/Instructions.h"`
`#include "llvm/IR/Intrinsics.h"`
`#include "llvm/IR/Value.h"`
`#include "llvm/Support/ScopedPrinter.h"`
`#include "clang/Basic/OpenCLImageTypes.def"`
`#include "clang/Basic/OpenCLExtensionTypes.def"`
`#include "clang/AST/BuiltinTypes.def"`
`#include "clang/AST/TypeNodes.def"`
Include dependency graph for ItaniumCXXABI.cpp:

Go to the source code of this file.

## Macros
#define | IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) case BuiltinType::Id:
#define | EXT_OPAQUE_TYPE(ExtType, Id, Ext) case BuiltinType::Id:
#define | BUILTIN_TYPE(Id, SingletonId)
#define | PLACEHOLDER_TYPE(Id, SingletonId) case BuiltinType::Id:
#define | TYPE(Class, Base)
#define | ABSTRACT_TYPE(Class, Base)
#define | NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class:
#define | NON_CANONICAL_TYPE(Class, Base) case Type::Class:
#define | DEPENDENT_TYPE(Class, Base) case Type::Class:
#define | TYPE(Class, Base)
#define | ABSTRACT_TYPE(Class, Base)
#define | NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class:
#define | NON_CANONICAL_TYPE(Class, Base) case Type::Class:
#define | DEPENDENT_TYPE(Class, Base) case Type::Class:

## Enumerations
enum | StructorCodegen

## Functions
static llvm::Constant * | getAllocateExceptionFn (CodeGenModule &CGM)
static llvm::Constant * | getThrowFn (CodeGenModule &CGM)
static llvm::Constant * | getItaniumDynamicCastFn (CodeGenFunction &CGF)
static llvm::Constant * | getBadCastFn (CodeGenFunction &CGF)
static CharUnits | computeOffsetHint (ASTContext &Context, const CXXRecordDecl *Src, const CXXRecordDecl *Dst)
| Compute the src2dst_offset hint as described in the Itanium C++ ABI [2.9.7]. More...
static llvm::Constant * | getBadTypeidFn (CodeGenFunction &CGF)
static llvm::Value * | performTypeAdjustment (CodeGenFunction &CGF, Address InitialPtr, int64_t NonVirtualAdjustment, int64_t VirtualAdjustment, bool IsReturnAdjustment)
static llvm::Constant * | getGuardAcquireFn (CodeGenModule &CGM, llvm::PointerType *GuardPtrTy)
static llvm::Constant * | getGuardReleaseFn (CodeGenModule &CGM, llvm::PointerType *GuardPtrTy)
static llvm::Constant * | getGuardAbortFn (CodeGenModule &CGM, llvm::PointerType *GuardPtrTy)
static void | emitGlobalDtorWithCXAAtExit (CodeGenFunction &CGF, llvm::Constant *dtor, llvm::Constant *addr, bool TLS)
| Register a global destructor using __cxa_atexit. More...
static bool | isThreadWrapperReplaceable (const VarDecl *VD, CodeGen::CodeGenModule &CGM)
static llvm::GlobalValue::LinkageTypes | getThreadLocalWrapperLinkage (const VarDecl *VD, CodeGen::CodeGenModule &CGM)
| Get the appropriate linkage for the wrapper function. More...
static bool | TypeInfoIsInStandardLibrary (const BuiltinType *Ty)
| TypeInfoIsInStandardLibrary - Given a builtin type, returns whether the type info for that type is defined in the standard library. More...
static bool | TypeInfoIsInStandardLibrary (const PointerType *PointerTy)
static bool | IsStandardLibraryRTTIDescriptor (QualType Ty)
| IsStandardLibraryRTTIDescriptor - Returns whether the type information for the given type exists in the standard library. More...
static bool | ShouldUseExternalRTTIDescriptor (CodeGenModule &CGM, QualType Ty)
| ShouldUseExternalRTTIDescriptor - Returns whether the type information for the given type exists somewhere else, and that we should not emit the type information in this translation unit. More...
static bool | IsIncompleteClassType (const RecordType *RecordTy)
| IsIncompleteClassType - Returns whether the given record type is incomplete. More...
static bool | ContainsIncompleteClassType (QualType Ty)
| ContainsIncompleteClassType - Returns whether the given type contains an incomplete class type. More...
static bool | CanUseSingleInheritance (const CXXRecordDecl *RD)
static llvm::GlobalVariable::LinkageTypes | getTypeInfoLinkage (CodeGenModule &CGM, QualType Ty)
| Return the linkage that the type info and type info name constants should have for the given type. More...
static unsigned | ComputeVMIClassTypeInfoFlags (const CXXBaseSpecifier *Base, SeenBases &Bases)
| ComputeVMIClassTypeInfoFlags - Compute the value of the flags member in abi::__vmi_class_type_info. More...
static unsigned | ComputeVMIClassTypeInfoFlags (const CXXRecordDecl *RD)
static unsigned | extractPBaseFlags (ASTContext &Ctx, QualType &Type)
| Compute the flags for a __pbase_type_info, and remove the corresponding pieces from `Type`. More...
static StructorCodegen | getCodegenToUse (CodeGenModule &CGM, const CXXMethodDecl *MD)
static void | emitConstructorDestructorAlias (CodeGenModule &CGM, GlobalDecl AliasDecl, GlobalDecl TargetDecl)
static llvm::Constant * | getBeginCatchFn (CodeGenModule &CGM)
static llvm::Constant * | getEndCatchFn (CodeGenModule &CGM)
static llvm::Constant * | getGetExceptionPtrFn (CodeGenModule &CGM)
static llvm::Value * | CallBeginCatch (CodeGenFunction &CGF, llvm::Value *Exn, bool EndMightThrow)
| Emits a call to __cxa_begin_catch and enters a cleanup to call __cxa_end_catch. More...
static void | InitCatchParam (CodeGenFunction &CGF, const VarDecl &CatchParam, Address ParamAddr, SourceLocation Loc)
| A "special initializer" callback for initializing a catch parameter during catch initialization. More...
static llvm::Constant * | getClangCallTerminateFn (CodeGenModule &CGM)
| Get or define the following function: void (i8* exn) nounwind noreturn This code is used only in C++. More...

## Macro Definition Documentation

## ◆ ABSTRACT_TYPE [1/2]

#define ABSTRACT_TYPE | ( |  | Class,
|  |  | Base
| ) |  |

## ◆ ABSTRACT_TYPE [2/2]

#define ABSTRACT_TYPE | ( |  | Class,
|  |  | Base
| ) |  |

## ◆ BUILTIN_TYPE

#define BUILTIN_TYPE | ( |  | Id,
|  |  | SingletonId
| ) |  |

## ◆ DEPENDENT_TYPE [1/2]

#define DEPENDENT_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ DEPENDENT_TYPE [2/2]

#define DEPENDENT_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ EXT_OPAQUE_TYPE

#define EXT_OPAQUE_TYPE | ( |  | ExtType,
|  |  | Id,
|  |  | Ext
| ) |  | case BuiltinType::Id:

## ◆ IMAGE_TYPE

#define IMAGE_TYPE | ( |  | ImgType,
|  |  | Id,
|  |  | SingletonId,
|  |  | Access,
|  |  | Suffix
| ) |  | case BuiltinType::Id:

## ◆ NON_CANONICAL_TYPE [1/2]

#define NON_CANONICAL_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ NON_CANONICAL_TYPE [2/2]

#define NON_CANONICAL_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [1/2]

#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [2/2]

#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE | ( |  | Class,
|  |  | Base
| ) |  | case Type::Class:

## ◆ PLACEHOLDER_TYPE

#define PLACEHOLDER_TYPE | ( |  | Id,
|  |  | SingletonId
| ) |  | case BuiltinType::Id:

## ◆ TYPE [1/2]

#define TYPE | ( |  | Class,
|  |  | Base
| ) |  |

## ◆ TYPE [2/2]

#define TYPE | ( |  | Class,
|  |  | Base
| ) |  |

## Enumeration Type Documentation

## ◆ StructorCodegen

enum StructorCodegen
| strong

Definition at line 3779 of file ItaniumCXXABI.cpp.

## Function Documentation

## ◆ CallBeginCatch()

static llvm::Value* CallBeginCatch | ( | CodeGenFunction & | CGF,
|  | llvm::Value * | Exn,
|  | bool | EndMightThrow
| ) |  |
| static

Emits a call to __cxa_begin_catch and enters a cleanup to call __cxa_end_catch.

Parameters

  EndMightThrow | - true if __cxa_end_catch might throw

Definition at line 3974 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), getBeginCatchFn(), and clang::CodeGen::NormalAndEHCleanup.

Referenced by InitCatchParam().

## ◆ CanUseSingleInheritance()

static bool CanUseSingleInheritance | ( | const CXXRecordDecl * | RD | ) |
| static

Definition at line 3021 of file ItaniumCXXABI.cpp.

References clang::AS_public, clang::Auto, clang::CXXRecordDecl::bases_begin(), clang::CodeGen::CodeGenTypes::ConvertType(), clang::CXXBaseSpecifier::getAccessSpecifier(), clang::Type::getAs(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getModule(), clang::CXXRecordDecl::getNumBases(), clang::ASTContext::getPointerDiffType(), clang::CXXBaseSpecifier::getType(), clang::Type::getTypeClass(), clang::CodeGen::CodeGenModule::getTypes(), clang::CXXRecordDecl::hasDefinition(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CXXRecordDecl::isDynamicClass(), clang::CXXRecordDecl::isEmpty(), clang::CXXBaseSpecifier::isVirtual(), clang::CodeGen::CodeGenModule::setDSOLocal(), and clang::CodeGen::Type.

## ◆ computeOffsetHint()

static CharUnits computeOffsetHint | ( | ASTContext & | Context,
|  | const CXXRecordDecl * | Src,
|  | const CXXRecordDecl * | Dst
| ) |  |
| static

Compute the src2dst_offset hint as described in the Itanium C++ ABI [2.9.7].

Definition at line 1254 of file ItaniumCXXABI.cpp.

Referenced by getBadTypeidFn().

## ◆ ComputeVMIClassTypeInfoFlags() [1/2]

static unsigned ComputeVMIClassTypeInfoFlags | ( | const CXXBaseSpecifier * | Base,
|  | SeenBases & | Bases
| ) |  |
| static

ComputeVMIClassTypeInfoFlags - Compute the value of the flags member in abi::__vmi_class_type_info.

Definition at line 3494 of file ItaniumCXXABI.cpp.

References clang::CXXRecordDecl::bases(), clang::Type::getAs(), clang::CXXBaseSpecifier::getType(), and clang::CXXBaseSpecifier::isVirtual().

Referenced by ComputeVMIClassTypeInfoFlags().

## ◆ ComputeVMIClassTypeInfoFlags() [2/2]

static unsigned ComputeVMIClassTypeInfoFlags | ( | const CXXRecordDecl * | RD | ) |
| static

Definition at line 3531 of file ItaniumCXXABI.cpp.

References clang::AS_public, clang::CXXRecordDecl::bases(), ComputeVMIClassTypeInfoFlags(), clang::CodeGen::CodeGenTypes::ConvertType(), clang::ASTContext::getASTRecordLayout(), clang::ASTRecordLayout::getBaseClassOffset(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getItaniumVTableContext(), clang::TargetInfo::getLongWidth(), clang::CXXRecordDecl::getNumBases(), clang::TargetInfo::getPointerWidth(), clang::CharUnits::getQuantity(), clang::ASTContext::getTargetInfo(), clang::TargetInfo::getTriple(), clang::CodeGen::CodeGenModule::getTypes(), clang::ItaniumVTableContext::getVirtualBaseOffsetOffset(), clang::ASTContext::LongLongTy, clang::ASTContext::LongTy, Offset, clang::CodeGen::Type, and clang::ASTContext::UnsignedIntTy.

## ◆ ContainsIncompleteClassType()

static bool ContainsIncompleteClassType | ( | QualType | Ty | ) |
| static

ContainsIncompleteClassType - Returns whether the given type contains an incomplete class type.

This is true if

- The given type is an incomplete class type.
- The given type is a pointer type whose pointee type contains an incomplete class type.
- The given type is a member pointer type whose class is an incomplete class type.
- The given type is a member pointer type whoise pointee type contains an incomplete class type. is an indirect or direct pointer to an incomplete class type.

Definition at line 2996 of file ItaniumCXXABI.cpp.

References IsIncompleteClassType().

Referenced by extractPBaseFlags(), and getTypeInfoLinkage().

## ◆ emitConstructorDestructorAlias()

static void emitConstructorDestructorAlias | ( | CodeGenModule & | CGM,
|  | GlobalDecl | AliasDecl,
|  | GlobalDecl | TargetDecl
| ) |  |
| static

Definition at line 3818 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::addReplacement(), clang::CodeGen::Base, clang::CodeGen::CodeGenModule::codegenCXXStructor(), clang::CodeGen::Complete, clang::serialized_diags::create(), clang::Ctor_Base, clang::Ctor_Complete, clang::Dtor_Base, clang::Dtor_Complete, clang::CodeGen::CodeGenModule::GetAddrOfGlobal(), getCodegenToUse(), clang::CodeGen::CodeGenModule::getFunctionLinkage(), clang::CodeGen::CodeGenModule::GetGlobalValue(), clang::CodeGen::CodeGenModule::getMangledName(), clang::CodeGen::CodeGenModule::getModule(), clang::CodeGen::CodeGenModule::maybeSetTrivialComdat(), clang::CodeGen::CodeGenModule::SetCommonAttributes(), and clang::CodeGen::CodeGenModule::TryEmitBaseDestructorAsAlias().

## ◆ emitGlobalDtorWithCXAAtExit()

static void emitGlobalDtorWithCXAAtExit | ( | CodeGenFunction & | CGF,
|  | llvm::Constant * | dtor,
|  | llvm::Constant * | addr,
|  | bool | TLS
| ) |  |
| static

Register a global destructor using __cxa_atexit.

Definition at line 2288 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::FunctionDecl::Create(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenModule::CreateRuntimeVariable(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), clang::CodeGen::CodeGenFunction::FinishFunction(), clang::IdentifierTable::get(), clang::ASTContext::getFunctionType(), clang::CodeGen::CodeGenFunction::getTarget(), clang::VarDecl::getTLSKind(), clang::ASTContext::getTranslationUnitDecl(), clang::TargetInfo::getTriple(), clang::HiddenVisibility, clang::ASTContext::Idents, clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::CodeGenTypeCache::Int8Ty, clang::CodeGen::CodeGenTypeCache::IntTy, clang::VarDecl::isNoDestroy(), clang::None, clang::CodeGen::CodeGenFunction::registerGlobalDtorWithAtExit(), clang::SC_Static, clang::CodeGen::CodeGenFunction::StartFunction(), clang::CodeGen::Type, clang::CodeGen::CodeGenTypeCache::VoidTy, and clang::ASTContext::VoidTy.

## ◆ extractPBaseFlags()

static unsigned extractPBaseFlags | ( | ASTContext & | Ctx,
|  | QualType & | Type
| ) |  |
| static

Compute the flags for a __pbase_type_info, and remove the corresponding pieces from `Type`.

Definition at line 3631 of file ItaniumCXXABI.cpp.

References ContainsIncompleteClassType(), clang::CodeGen::CodeGenTypes::ConvertType(), clang::DefaultVisibility, clang::EST_None, clang::ExternalLinkage, clang::Type::getAs(), clang::MemberPointerType::getClass(), clang::CodeGen::CodeGenModule::getContext(), clang::ASTContext::getFunctionTypeWithExceptionSpec(), clang::CodeGen::CodeGenModule::GetLLVMVisibility(), clang::MemberPointerType::getPointeeType(), clang::CodeGen::CodeGenModule::getTypes(), clang::QualType::getUnqualifiedType(), clang::NamedDecl::getVisibility(), clang::Type::getVisibility(), clang::Decl::hasAttr(), clang::QualType::isConstQualified(), IsIncompleteClassType(), clang::QualType::isRestrictQualified(), clang::QualType::isVolatileQualified(), clang::CodeGen::Type, and clang::ASTContext::UnsignedIntTy.

## ◆ getAllocateExceptionFn()

static llvm::Constant* getAllocateExceptionFn | ( | CodeGenModule & | CGM | ) |
| static

Definition at line 1169 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::CodeGenTypeCache::SizeTy.

Referenced by getThrowFn().

## ◆ getBadCastFn()

static llvm::Constant* getBadCastFn | ( | CodeGenFunction & | CGF | ) |
| static

Definition at line 1246 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

Referenced by getBadTypeidFn().

## ◆ getBadTypeidFn()

static llvm::Constant* getBadTypeidFn | ( | CodeGenFunction & | CGF | ) |
| static

Definition at line 1304 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, computeOffsetHint(), clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CGBuilderTy::CreateAlignedLoad(), clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateBitCast(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::Ctor_Base, clang::Ctor_Complete, clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitCastToVoidPtr(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), clang::CodeGen::CodeGenFunction::EmitRuntimeCallOrInvoke(), clang::CodeGen::CodeGenModule::GetAddrOfRTTIDescriptor(), clang::Type::getAs(), clang::Type::getAsCXXRecordDecl(), getBadCastFn(), clang::CodeGen::CodeGenFunction::getContext(), getItaniumDynamicCastFn(), clang::CXXMethodDecl::getParent(), clang::CodeGen::Address::getPointer(), clang::CodeGen::CodeGenTypeCache::getPointerAlign(), clang::ASTContext::getPointerDiffType(), clang::CharUnits::getQuantity(), clang::QualType::getUnqualifiedType(), clang::CodeGen::CodeGenFunction::GetVTablePtr(), clang::CXXRecordDecl::isAbstract(), clang::Type::isReferenceType(), clang::CodeGen::Type, and clang::CodeGen::CodeGenTypeCache::VoidTy.

## ◆ getBeginCatchFn()

static llvm::Constant* getBeginCatchFn | ( | CodeGenModule & | CGM | ) |
| static

Definition at line 3918 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.

Referenced by CallBeginCatch(), and getClangCallTerminateFn().

## ◆ getClangCallTerminateFn()

static llvm::Constant* getClangCallTerminateFn | ( | CodeGenModule & | CGM | ) |
| static

Get or define the following function: void (i8* exn) nounwind noreturn This code is used only in C++.

Definition at line 4209 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::Create(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::CurrentFuncletPad, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), getBeginCatchFn(), clang::CodeGen::CodeGenModule::getLangOpts(), clang::CodeGen::CodeGenModule::getLLVMContext(), clang::CodeGen::CodeGenModule::getModule(), clang::CodeGen::CodeGenTypeCache::getRuntimeCC(), clang::CodeGen::CodeGenFunction::getTarget(), clang::CodeGen::CodeGenModule::getTerminateFn(), clang::CodeGen::CodeGenFunction::GetVTablePtr(), clang::TargetInfo::hasFeature(), clang::HiddenVisibility, clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::NormalCleanup, clang::CodeGen::CodeGenModule::supportsCOMDAT(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

## ◆ getCodegenToUse()

static StructorCodegen getCodegenToUse | ( | CodeGenModule & | CGM,
|  | const CXXMethodDecl * | MD
| ) |  |
| static

Definition at line 3781 of file ItaniumCXXABI.cpp.

References clang::Ctor_Complete, clang::Dtor_Complete, clang::CodeGen::CodeGenModule::getCodeGenOpts(), clang::CodeGen::CodeGenModule::getFunctionLinkage(), clang::CXXRecordDecl::getNumVBases(), clang::CXXMethodDecl::getParent(), clang::CodeGen::CodeGenModule::getTarget(), and clang::TargetInfo::getTriple().

Referenced by emitConstructorDestructorAlias().

## ◆ getEndCatchFn()

static llvm::Constant* getEndCatchFn | ( | CodeGenModule & | CGM | ) |
| static

Definition at line 3926 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

Referenced by getGetExceptionPtrFn().

## ◆ getGetExceptionPtrFn()

static llvm::Constant* getGetExceptionPtrFn | ( | CodeGenModule & | CGM | ) |
| static

Definition at line 3934 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), clang::CodeGen::CodeGenFunction::EmitRuntimeCallOrInvoke(), getEndCatchFn(), and clang::CodeGen::CodeGenTypeCache::Int8PtrTy.

Referenced by InitCatchParam().

## ◆ getGuardAbortFn()

static llvm::Constant* getGuardAbortFn | ( | CodeGenModule & | CGM,
|  | llvm::PointerType * | GuardPtrTy
| ) |  |
| static

Definition at line 2075 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), clang::CodeGen::CodeGenModule::getLLVMContext(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

## ◆ getGuardAcquireFn()

static llvm::Constant* getGuardAcquireFn | ( | CodeGenModule & | CGM,
|  | llvm::PointerType * | GuardPtrTy
| ) |  |
| static

Definition at line 2050 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenTypes::ConvertType(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getLLVMContext(), clang::CodeGen::CodeGenModule::getTypes(), and clang::ASTContext::IntTy.

## ◆ getGuardReleaseFn()

static llvm::Constant* getGuardReleaseFn | ( | CodeGenModule & | CGM,
|  | llvm::PointerType * | GuardPtrTy
| ) |  |
| static

Definition at line 2063 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenModule::getLLVMContext(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

## ◆ getItaniumDynamicCastFn()

static llvm::Constant* getItaniumDynamicCastFn | ( | CodeGenFunction & | CGF | ) |
| static

Definition at line 1223 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenFunction::getLLVMContext(), clang::ASTContext::getPointerDiffType(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, and clang::CodeGen::Type.

Referenced by getBadTypeidFn().

## ◆ getThreadLocalWrapperLinkage()

static llvm::GlobalValue::LinkageTypes getThreadLocalWrapperLinkage | ( | const VarDecl * | VD,
|  | CodeGen::CodeGenModule & | CGM
| ) |  |
| static

Get the appropriate linkage for the wrapper function.

This is essentially the weak form of the variable's linkage; every translation unit which needs the wrapper emits a copy, and we want the linker to merge them.

Definition at line 2417 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenTypes::arrangeNullaryFunction(), clang::serialized_diags::create(), clang::Create(), clang::CodeGen::CodeGenModule::CreateGlobalInitOrDestructFunction(), clang::ExternalLinkage, clang::CodeGen::CodeGenFunction::GenerateCXXGlobalInitFunc(), getCanonicalDecl(), clang::VarDecl::getCanonicalDecl(), clang::CodeGen::CodeGenModule::GetGlobalValue(), clang::CodeGen::CodeGenModule::getLLVMLinkageVarDefinition(), clang::CodeGen::CodeGenModule::getMangledName(), clang::CodeGen::CodeGenModule::getModule(), clang::QualType::getNonReferenceType(), clang::CharUnits::getQuantity(), clang::CodeGen::CodeGenModule::getTarget(), clang::VarDecl::getTemplateSpecializationKind(), getTemplateSpecializationKind(), clang::TargetInfo::getTriple(), clang::ValueDecl::getType(), clang::CodeGen::CodeGenModule::getTypes(), clang::NamedDecl::getVisibility(), clang::VarDecl::hasDefinition(), clang::HiddenVisibility, clang::CodeGen::CodeGenTypeCache::Int8Ty, clang::InternalLinkage, clang::Type::isReferenceType(), clang::isTemplateInstantiation(), isThreadWrapperReplaceable(), clang::CharUnits::One(), clang::CodeGen::CodeGenModule::SetLLVMFunctionAttributes(), and clang::CodeGen::CodeGenTypeCache::VoidTy.

## ◆ getThrowFn()

static llvm::Constant* getThrowFn | ( | CodeGenModule & | CGM | ) |
| static

Definition at line 1178 of file ItaniumCXXABI.cpp.

References clang::CodeGen::Complete, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::EmitAnyExprToExn(), clang::CodeGen::CodeGenFunction::EmitNoreturnRuntimeCallOrInvoke(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), getAllocateExceptionFn(), clang::Type::getAs(), clang::CXXRecordDecl::getDestructor(), clang::CXXThrowExpr::getSubExpr(), clang::Expr::getType(), clang::CXXRecordDecl::hasTrivialDestructor(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::Type, and clang::CodeGen::CodeGenTypeCache::VoidTy.

Referenced by emitCXXDestructor().

## ◆ getTypeInfoLinkage()

static llvm::GlobalVariable::LinkageTypes getTypeInfoLinkage | ( | CodeGenModule & | CGM,
|  | QualType | Ty
| ) |  |
| static

Return the linkage that the type info and type info name constants should have for the given type.

Definition at line 3176 of file ItaniumCXXABI.cpp.

References ContainsIncompleteClassType(), clang::ExternalLinkage, clang::QualType::getCanonicalType(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getLangOpts(), clang::Type::getLinkage(), clang::ASTContext::getTargetInfo(), clang::CodeGen::CodeGenModule::getTriple(), clang::TargetInfo::getTriple(), clang::CodeGen::CodeGenModule::getVTableLinkage(), clang::Decl::hasAttr(), clang::InternalLinkage, clang::CXXRecordDecl::isDynamicClass(), clang::ModuleInternalLinkage, clang::ModuleLinkage, clang::NoLinkage, ShouldUseExternalRTTIDescriptor(), clang::UniqueExternalLinkage, and clang::VisibleNoLinkage.

## ◆ InitCatchParam()

static void InitCatchParam | ( | CodeGenFunction & | CGF,
|  | const VarDecl & | CatchParam,
|  | Address | ParamAddr,
|  | SourceLocation | Loc
| ) |  |
| static

A "special initializer" callback for initializing a catch parameter during catch initialization.

Definition at line 3987 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, CallBeginCatch(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), clang::CodeGen::CGBuilderTy::CreateBitCast(), clang::CodeGen::CGBuilderTy::CreateStore(), clang::CodeGen::CodeGenFunction::CreateTempAlloca(), clang::CodeGen::AggValueSlot::DoesNotNeedGCBarriers, clang::CodeGen::AggValueSlot::DoesNotOverlap, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::CodeGenFunction::EmitAggExpr(), clang::CodeGen::CodeGenFunction::EmitAggregateCopy(), clang::CodeGen::CodeGenFunction::EmitARCInitWeak(), clang::CodeGen::CodeGenFunction::EmitARCRetainNonBlock(), clang::CodeGen::CodeGenFunction::EmitLoadOfComplex(), clang::CodeGen::CodeGenFunction::EmitLoadOfScalar(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), clang::CodeGen::CodeGenFunction::EmitStoreOfComplex(), clang::CodeGen::CodeGenFunction::EmitStoreOfScalar(), clang::OpaqueValueExpr::findInCopyConstruct(), clang::CodeGen::AggValueSlot::forAddr(), clang::ASTContext::getCanonicalType(), clang::CodeGen::CodeGenModule::getClassPointerAlignment(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenFunction::getEvaluationKind(), clang::CodeGen::CodeGenFunction::getExceptionFromSlot(), getGetExceptionPtrFn(), clang::VarDecl::getInit(), clang::Qualifiers::getObjCLifetime(), clang::Type::getPointeeType(), clang::CodeGen::Address::getPointer(), clang::CodeGen::CodeGenTypeCache::getPointerAlign(), clang::CanQual< T >::getQualifiers(), clang::CodeGen::TargetCodeGenInfo::getSizeOfUnwindException(), clang::CodeGen::CodeGenModule::getTargetCodeGenInfo(), clang::ValueDecl::getType(), clang::CodeGen::AggValueSlot::IsNotAliased, clang::CodeGen::AggValueSlot::IsNotDestructed, clang::Type::isRecordType(), clang::CodeGen::CodeGenFunction::MakeAddrLValue(), clang::CodeGen::CodeGenFunction::MakeNaturalAlignAddrLValue(), clang::Qualifiers::OCL_Autoreleasing, clang::Qualifiers::OCL_ExplicitNone, clang::Qualifiers::OCL_None, clang::Qualifiers::OCL_Strong, clang::Qualifiers::OCL_Weak, clang::CodeGen::EHScopeStack::popTerminate(), clang::CodeGen::EHScopeStack::pushTerminate(), clang::CodeGen::TEK_Aggregate, clang::CodeGen::TEK_Complex, clang::CodeGen::TEK_Scalar, and clang::CodeGen::Type.

## ◆ IsIncompleteClassType()

static bool IsIncompleteClassType | ( | const RecordType * | RecordTy | ) |
| static

IsIncompleteClassType - Returns whether the given record type is incomplete.

Definition at line 2981 of file ItaniumCXXABI.cpp.

References clang::RecordType::getDecl(), and clang::TagDecl::isCompleteDefinition().

Referenced by ContainsIncompleteClassType(), and extractPBaseFlags().

## ◆ IsStandardLibraryRTTIDescriptor()

static bool IsStandardLibraryRTTIDescriptor | ( | QualType | Ty | ) |
| static

IsStandardLibraryRTTIDescriptor - Returns whether the type information for the given type exists in the standard library.

Definition at line 2925 of file ItaniumCXXABI.cpp.

References TypeInfoIsInStandardLibrary().

## ◆ isThreadWrapperReplaceable()

static bool isThreadWrapperReplaceable | ( | const VarDecl * | VD,
|  | CodeGen::CodeGenModule & | CGM
| ) |  |
| static

Definition at line 2404 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenModule::getTarget(), clang::VarDecl::getTLSKind(), clang::TargetInfo::getTriple(), clang::VarDecl::isStaticLocal(), and clang::VarDecl::TLS_Dynamic.

Referenced by getThreadLocalWrapperLinkage().

## ◆ performTypeAdjustment()

static llvm::Value* performTypeAdjustment | ( | CodeGenFunction & | CGF,
|  | Address | InitialPtr,
|  | int64_t | NonVirtualAdjustment,
|  | int64_t | VirtualAdjustment,
|  | bool | IsReturnAdjustment
| ) |  |
| static

Definition at line 1838 of file ItaniumCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CGBuilderTy::CreateAlignedLoad(), clang::CodeGen::CGBuilderTy::CreateBitCast(), clang::CodeGen::CGBuilderTy::CreateConstInBoundsByteGEP(), clang::CodeGen::CGBuilderTy::CreateConstInBoundsGEP(), clang::CodeGen::CGBuilderTy::CreateElementBitCast(), clang::CodeGen::CGBuilderTy::CreateLoad(), clang::CodeGen::CGBuilderTy::CreateStore(), clang::CodeGen::CodeGenFunction::CurGD, clang::ast_matchers::expr, clang::CharUnits::fromQuantity(), clang::CodeGen::RValue::get(), clang::CodeGen::Address::getAddressSpace(), clang::CodeGen::CodeGenFunction::getContext(), clang::GlobalDecl::getDecl(), clang::CodeGen::Address::getElementType(), clang::CXXNewExpr::getOperatorNew(), clang::CodeGen::Address::getPointer(), clang::CodeGen::CodeGenTypeCache::getPointerAlign(), clang::ASTContext::getPointerDiffType(), clang::CodeGen::CodeGenTypeCache::getSizeSize(), clang::CodeGen::Address::getType(), clang::ASTContext::getTypeAlignInChars(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::CodeGen::CodeGenTypeCache::Int8Ty, clang::FunctionDecl::isReplaceableGlobalAllocationFunction(), clang::CharUnits::isZero(), clang::ReturnAdjustment::VirtualAdjustment::Itanium, clang::ThisAdjustment::VirtualAdjustment::Itanium, max(), clang::ReturnAdjustment::NonVirtual, clang::ThisAdjustment::NonVirtual, Offset, clang::CodeGen::CodeGenFunction::ReturnValue, clang::CodeGen::CodeGenTypeCache::SizeTy, clang::CodeGen::Type, clang::ReturnAdjustment::VirtualAdjustment::VBaseOffsetOffset, clang::ThisAdjustment::VirtualAdjustment::VCallOffsetOffset, clang::ReturnAdjustment::Virtual, and clang::ThisAdjustment::Virtual.

## ◆ ShouldUseExternalRTTIDescriptor()

static bool ShouldUseExternalRTTIDescriptor | ( | CodeGenModule & | CGM,
|  | QualType | Ty
| ) |  |
| static

ShouldUseExternalRTTIDescriptor - Returns whether the type information for the given type exists somewhere else, and that we should not emit the type information in this translation unit.

Assumes that it is not a standard-library type.

Definition at line 2942 of file ItaniumCXXABI.cpp.

Referenced by getTypeInfoLinkage().

## ◆ TypeInfoIsInStandardLibrary() [1/2]

static bool TypeInfoIsInStandardLibrary | ( | const BuiltinType * | Ty | ) |
| static

TypeInfoIsInStandardLibrary - Given a builtin type, returns whether the type info for that type is defined in the standard library.

Definition at line 2808 of file ItaniumCXXABI.cpp.

References clang::BuiltinType::getKind().

Referenced by IsStandardLibraryRTTIDescriptor(), and TypeInfoIsInStandardLibrary().

## ◆ TypeInfoIsInStandardLibrary() [2/2]

static bool TypeInfoIsInStandardLibrary | ( | const PointerType * | PointerTy | ) |
| static

Definition at line 2907 of file ItaniumCXXABI.cpp.

References clang::Qualifiers::empty(), clang::PointerType::getPointeeType(), clang::QualType::getQualifiers(), clang::Qualifiers::removeConst(), and TypeInfoIsInStandardLibrary().