clang: lib/CodeGen/CGExprConstant.cpp File Reference

clang 19.0.0git

#include "CGCXXABI.h"
#include "CGObjCRuntime.h"
#include "CGRecordLayout.h"
#include "CodeGenFunction.h"
#include "CodeGenModule.h"
#include "ConstantEmitter.h"
#include "TargetInfo.h"
#include "clang/AST/APValue.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/Builtins.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Sequence.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalVariable.h"
#include <optional>

Go to the source code of this file.

Functions
static QualType	getNonMemoryType (CodeGenModule &CGM, QualType type)

static ConstantLValue	emitConstantObjCStringLiteral (const StringLiteral *S, QualType T, CodeGenModule &CGM)

static llvm::Constant *	EmitNullConstantForBase (CodeGenModule &CGM, llvm::Type baseType, const CXXRecordDecl base)
	Emit the null constant for a base subobject.

static llvm::Constant *	EmitNullConstant (CodeGenModule &CGM, const RecordDecl *record, bool asCompleteObject)

Function Documentation

◆ emitConstantObjCStringLiteral()

static ConstantLValue emitConstantObjCStringLiteral	(	const StringLiteral *	S,
		QualType	T,
		CodeGenModule &	CGM
	)

static

Definition at line 2013 of file CGExprConstant.cpp.

References clang::C, clang::CodeGen::CodeGenTypes::ConvertTypeForMem(), clang::CodeGen::CGObjCRuntime::GenerateConstantString(), clang::CodeGen::CodeGenModule::getObjCRuntime(), clang::CodeGen::CodeGenModule::getTypes(), and clang::T.

◆ EmitNullConstant()

static llvm::Constant * EmitNullConstant	(	CodeGenModule &	CGM,
		const RecordDecl *	record,
		bool	asCompleteObject
	)

static

Definition at line 2271 of file CGExprConstant.cpp.

References clang::CodeGen::CodeGenModule::EmitNullConstant(), EmitNullConstantForBase(), clang::RecordDecl::fields(), clang::ASTContext::getASTRecordLayout(), clang::CodeGen::CGRecordLayout::getBaseSubobjectLLVMType(), clang::CodeGen::CodeGenTypes::getCGRecordLayout(), clang::CodeGen::CodeGenModule::getContext(), clang::RecordType::getDecl(), clang::CodeGen::CGRecordLayout::getLLVMFieldNo(), clang::CodeGen::CGRecordLayout::getLLVMType(), clang::CodeGen::CGRecordLayout::getNonVirtualBaseLLVMFieldNo(), clang::ASTRecordLayout::getNonVirtualSize(), clang::CodeGen::CodeGenModule::getTypes(), clang::CodeGen::CGRecordLayout::getVirtualBaseIndex(), clang::CXXRecordDecl::isEmpty(), clang::TagDecl::isUnion(), and clang::CharUnits::isZero().

Referenced by EmitNullConstantForBase().

◆ EmitNullConstantForBase()

static llvm::Constant * EmitNullConstantForBase	(	CodeGenModule &	CGM,
		llvm::Type *	baseType,
		const CXXRecordDecl *	base
	)

static

Emit the null constant for a base subobject.

Definition at line 2356 of file CGExprConstant.cpp.

References EmitNullConstant(), clang::CodeGen::CodeGenTypes::getCGRecordLayout(), clang::CodeGen::CodeGenModule::getTypes(), and clang::CodeGen::CGRecordLayout::isZeroInitializableAsBase().

Referenced by EmitNullConstant().

◆ getNonMemoryType()

static QualType getNonMemoryType	(	CodeGenModule &	CGM,
		QualType	type
	)

static

Definition at line 1675 of file CGExprConstant.cpp.

References clang::CodeGen::CodeGenModule::getContext(), clang::ASTContext::getQualifiedType(), and clang::ast_matchers::type.

Referenced by clang::CodeGen::ConstantEmitter::tryEmitAbstractForMemory(), clang::CodeGen::ConstantEmitter::tryEmitPrivateForMemory(), and clang::CodeGen::ConstantEmitter::tryEmitPrivateForVarInit().