clang: lib/CodeGen/MicrosoftCXXABI.cpp File Reference

clang 22.0.0git

#include "ABIInfo.h"
#include "CGCXXABI.h"
#include "CGCleanup.h"
#include "CGDebugInfo.h"
#include "CGVTables.h"
#include "CodeGenModule.h"
#include "CodeGenTypes.h"
#include "TargetInfo.h"
#include "clang/AST/Attr.h"
#include "clang/AST/CXXInheritance.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/VTableBuilder.h"
#include "clang/CodeGen/ConstantInitBuilder.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/IR/Intrinsics.h"

Go to the source code of this file.

Functions
static llvm::CallBase *	emitRTtypeidCall (CodeGenFunction &CGF, llvm::Value *Argument)
static bool	isDeletingDtor (GlobalDecl GD)
static bool	isTrivialForMSVC (const CXXRecordDecl *RD, QualType Ty, CodeGenModule &CGM)
static bool	hasDefaultCXXMethodCC (ASTContext &Context, const CXXMethodDecl *MD)
static void	mangleVFTableName (MicrosoftMangleContext &MangleContext, const CXXRecordDecl *RD, const VPtrInfo &VFPtr, SmallString< 256 > &Name)
static void	emitGlobalDtorWithTLRegDtor (CodeGenFunction &CGF, const VarDecl &VD, llvm::FunctionCallee Dtor, llvm::Constant *Addr)
static llvm::GlobalValue *	getTlsGuardVar (CodeGenModule &CGM)
static llvm::FunctionCallee	getDynTlsOnDemandInitFn (CodeGenModule &CGM)
static void	emitTlsGuardCheck (CodeGenFunction &CGF, llvm::GlobalValue TlsGuard, llvm::BasicBlock DynInitBB, llvm::BasicBlock *ContinueBB)
static void	emitDynamicTlsInitializationCall (CodeGenFunction &CGF, llvm::GlobalValue TlsGuard, llvm::BasicBlock ContinueBB)
static void	emitDynamicTlsInitialization (CodeGenFunction &CGF)
static ConstantAddress	getInitThreadEpochPtr (CodeGenModule &CGM)
static llvm::FunctionCallee	getInitThreadHeaderFn (CodeGenModule &CGM)
static llvm::FunctionCallee	getInitThreadFooterFn (CodeGenModule &CGM)
static llvm::FunctionCallee	getInitThreadAbortFn (CodeGenModule &CGM)
static llvm::GlobalVariable *	getTypeInfoVTable (CodeGenModule &CGM)
static void	serializeClassHierarchy (SmallVectorImpl< MSRTTIClass > &Classes, const CXXRecordDecl *RD)
	Recursively serializes a class hierarchy in pre-order depth first order.
static void	detectAmbiguousBases (SmallVectorImpl< MSRTTIClass > &Classes)
	Find ambiguity among base classes.
static QualType	decomposeTypeForEH (ASTContext &Context, QualType T, bool &IsConst, bool &IsVolatile, bool &IsUnaligned)

Function Documentation

◆ decomposeTypeForEH()

QualType decomposeTypeForEH	(	ASTContext &	Context,
		QualType	T,
		bool &	IsConst,
		bool &	IsVolatile,
		bool &	IsUnaligned )

static

Definition at line 3942 of file MicrosoftCXXABI.cpp.

References clang::QualType::getQualifiers(), clang::QualType::getUnqualifiedType(), clang::Qualifiers::hasUnaligned(), clang::QualType::isConstQualified(), clang::QualType::isNull(), clang::QualType::isVolatileQualified(), and clang::T.

◆ detectAmbiguousBases()

void detectAmbiguousBases ( SmallVectorImpl< MSRTTIClass > & Classes )

static

Find ambiguity among base classes.

Definition at line 3739 of file MicrosoftCXXABI.cpp.

◆ emitDynamicTlsInitialization()

void emitDynamicTlsInitialization ( CodeGenFunction & CGF )

static

Definition at line 2509 of file MicrosoftCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CodeGenFunction::CurFn, emitDynamicTlsInitializationCall(), emitTlsGuardCheck(), and getTlsGuardVar().

◆ emitDynamicTlsInitializationCall()

void emitDynamicTlsInitializationCall	(	CodeGenFunction &	CGF,
		llvm::GlobalValue *	TlsGuard,
		llvm::BasicBlock *	ContinueBB )

static

Definition at line 2497 of file MicrosoftCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::cast(), clang::CodeGen::CodeGenFunction::CGM, getDynTlsOnDemandInitFn(), and clang::Initializer.

Referenced by emitDynamicTlsInitialization().

◆ emitGlobalDtorWithTLRegDtor()

void emitGlobalDtorWithTLRegDtor	(	CodeGenFunction &	CGF,
		const VarDecl &	VD,
		llvm::FunctionCallee	Dtor,
		llvm::Constant *	Addr )

static

Definition at line 2370 of file MicrosoftCXXABI.cpp.

References clang::Addr, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createAtExitStub(), clang::CodeGen::CodeGenModule::CreateRuntimeFunction(), clang::CodeGen::CodeGenFunction::EmitNounwindRuntimeCall(), and clang::CodeGen::CodeGenTypeCache::IntTy.

◆ emitRTtypeidCall()

llvm::CallBase * emitRTtypeidCall	(	CodeGenFunction &	CGF,
		llvm::Value *	Argument )

static

Definition at line 998 of file MicrosoftCXXABI.cpp.

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

◆ emitTlsGuardCheck()

void emitTlsGuardCheck	(	CodeGenFunction &	CGF,
		llvm::GlobalValue *	TlsGuard,
		llvm::BasicBlock *	DynInitBB,
		llvm::BasicBlock *	ContinueBB )

static

Definition at line 2487 of file MicrosoftCXXABI.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CGBuilderTy::CreateLoad(), clang::CodeGen::CodeGenTypeCache::Int8Ty, and clang::CharUnits::One().

Referenced by emitDynamicTlsInitialization().

◆ getDynTlsOnDemandInitFn()

llvm::FunctionCallee getDynTlsOnDemandInitFn ( CodeGenModule & CGM )

static

Definition at line 2473 of file MicrosoftCXXABI.cpp.

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

Referenced by emitDynamicTlsInitializationCall().

◆ getInitThreadAbortFn()

llvm::FunctionCallee getInitThreadAbortFn ( CodeGenModule & CGM )

static

Definition at line 2586 of file MicrosoftCXXABI.cpp.

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

◆ getInitThreadEpochPtr()

ConstantAddress getInitThreadEpochPtr ( CodeGenModule & CGM )

static

Definition at line 2548 of file MicrosoftCXXABI.cpp.

References clang::CharUnits::getAsAlign(), clang::CodeGen::CodeGenTypeCache::getIntAlign(), clang::CodeGen::CodeGenModule::getModule(), and clang::CodeGen::CodeGenTypeCache::IntTy.

◆ getInitThreadFooterFn()

llvm::FunctionCallee getInitThreadFooterFn ( CodeGenModule & CGM )

static

Definition at line 2574 of file MicrosoftCXXABI.cpp.

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

◆ getInitThreadHeaderFn()

llvm::FunctionCallee getInitThreadHeaderFn ( CodeGenModule & CGM )

static

Definition at line 2562 of file MicrosoftCXXABI.cpp.

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

◆ getTlsGuardVar()

llvm::GlobalValue * getTlsGuardVar ( CodeGenModule & CGM )

static

Definition at line 2458 of file MicrosoftCXXABI.cpp.

References clang::cast(), clang::CodeGen::CodeGenModule::CreateRuntimeVariable(), and clang::CodeGen::CodeGenModule::getLLVMContext().

Referenced by emitDynamicTlsInitialization().

◆ getTypeInfoVTable()

llvm::GlobalVariable * getTypeInfoVTable ( CodeGenModule & CGM )

static

Definition at line 3607 of file MicrosoftCXXABI.cpp.

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

◆ hasDefaultCXXMethodCC()

bool hasDefaultCXXMethodCC	(	ASTContext &	Context,
		const CXXMethodDecl *	MD )

static

Definition at line 1305 of file MicrosoftCXXABI.cpp.

References clang::Type::castAs(), and clang::ValueDecl::getType().

Referenced by clang::ASTNameGenerator::Implementation::getAllManglings().

◆ isDeletingDtor()

bool isDeletingDtor ( GlobalDecl GD )

static

Definition at line 1108 of file MicrosoftCXXABI.cpp.

References clang::Dtor_Deleting, clang::GlobalDecl::getDecl(), clang::GlobalDecl::getDtorType(), and clang::isa().

◆ isTrivialForMSVC()

bool isTrivialForMSVC	(	const CXXRecordDecl *	RD,
		QualType	Ty,
		CodeGenModule &	CGM )

static

Definition at line 1117 of file MicrosoftCXXABI.cpp.

References clang::DeclContext::decls(), clang::CodeGen::CodeGenModule::getABIInfo(), clang::CXXRecordDecl::getNumBases(), clang::CodeGen::CodeGenModule::getTarget(), clang::TargetInfo::getTriple(), clang::CXXRecordDecl::hasNonTrivialCopyAssignment(), clang::CXXRecordDecl::hasNonTrivialDestructor(), clang::CXXRecordDecl::hasPrivateFields(), clang::CXXRecordDecl::hasProtectedFields(), clang::CXXRecordDecl::hasSimpleCopyAssignment(), clang::isa(), clang::CodeGen::ABIInfo::isHomogeneousAggregate(), clang::CXXRecordDecl::isPolymorphic(), clang::CXXRecordDecl::needsImplicitCopyAssignment(), and clang::Template.

◆ mangleVFTableName()

void mangleVFTableName	(	MicrosoftMangleContext &	MangleContext,
		const CXXRecordDecl *	RD,
		const VPtrInfo &	VFPtr,
		SmallString< 256 > &	Name )

static

Definition at line 1817 of file MicrosoftCXXABI.cpp.

References clang::VPtrInfo::MangledPath.

◆ serializeClassHierarchy()

void serializeClassHierarchy	(	SmallVectorImpl< MSRTTIClass > &	Classes,
		const CXXRecordDecl *	RD )

static

Recursively serializes a class hierarchy in pre-order depth first order.

Definition at line 3730 of file MicrosoftCXXABI.cpp.

References clang::CXXRecordDecl::bases(), and serializeClassHierarchy().

Referenced by serializeClassHierarchy().