#include "CodeGenFunction.h"
#include "CGBlocks.h"
#include "CGCUDARuntime.h"
#include "CGCXXABI.h"
#include "CGCleanup.h"
#include "CGDebugInfo.h"
#include "CGHLSLRuntime.h"
#include "CGOpenMPRuntime.h"
#include "CodeGenModule.h"
#include "CodeGenPGO.h"
#include "TargetInfo.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTLambda.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/Expr.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/StmtObjC.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/CodeGenOptions.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/CodeGen/CGFunctionInfo.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/FPEnv.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/Support/CRC.h"
#include "llvm/Support/xxhash.h"
#include "llvm/Transforms/Scalar/LowerExpectIntrinsic.h"
#include "llvm/Transforms/Utils/PromoteMemToReg.h"
#include <optional>
#include "clang/AST/TypeNodes.inc"
#include "clang/Basic/Sanitizers.def"

Namespaces
namespace	llvm
	Diagnostic wrappers for TextAPI types for error reporting.

Macros
#define	TYPE(name, parent)

#define	ABSTRACT_TYPE(name, parent)

#define	NON_CANONICAL_TYPE(name, parent) case Type::name:

#define	DEPENDENT_TYPE(name, parent) case Type::name:

#define	NON_CANONICAL_UNLESS_DEPENDENT_TYPE(name, parent) case Type::name:

#define	SANITIZER(NAME, ID)

#define	TYPE(Class, Base)

#define	ABSTRACT_TYPE(Class, Base)

#define	NON_CANONICAL_TYPE(Class, Base)

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

#define	NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base)

Functions
static bool	shouldEmitLifetimeMarkers (const CodeGenOptions &CGOpts, const LangOptions &LangOpts)
	shouldEmitLifetimeMarkers - Decide whether we need emit the life-time markers.

static LValue	makeNaturalAlignAddrLValue (llvm::Value *V, QualType T, bool ForPointeeType, bool MightBeSigned, CodeGenFunction &CGF, KnownNonNull_t IsKnownNonNull=NotKnownNonNull)

static void	EmitIfUsed (CodeGenFunction &CGF, llvm::BasicBlock *BB)

static bool	endsWithReturn (const Decl *F)
	Determine whether the function F ends with a return stmt.

static bool	matchesStlAllocatorFn (const Decl *D, const ASTContext &Ctx)

static llvm::Constant *	getPrologueSignature (CodeGenModule &CGM, const FunctionDecl *FD)
	Return the UBSan prologue signature for `FD` if one is available.

static void	TryMarkNoThrow (llvm::Function *F)
	Tries to mark the given function nounwind based on the non-existence of any throwing calls within it.

static void	emitNonZeroVLAInit (CodeGenFunction &CGF, QualType baseType, Address dest, Address src, llvm::Value *sizeInChars)
	emitNonZeroVLAInit - Emit the "zero" initialization of a variable-length array whose elements have a non-zero bit-pattern.

static void	CreateMultiVersionResolverReturn (CodeGenModule &CGM, llvm::Function Resolver, CGBuilderTy &Builder, llvm::Function FuncToReturn, bool SupportsIFunc)

static llvm::Value *	EmitPointerAuthCommon (CodeGenFunction &CGF, const CGPointerAuthInfo &PointerAuth, llvm::Value *Pointer, unsigned IntrinsicID)

static llvm::Value *	EmitStrip (CodeGenFunction &CGF, const CGPointerAuthInfo &PointerAuth, llvm::Value *Pointer)

Macro Definition Documentation

◆ ABSTRACT_TYPE [1/2]

#define ABSTRACT_TYPE	(	Class,
		Base
	)

◆ ABSTRACT_TYPE [2/2]

#define ABSTRACT_TYPE	(	name,
		parent
	)

◆ DEPENDENT_TYPE [1/2]

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

◆ DEPENDENT_TYPE [2/2]

#define DEPENDENT_TYPE	(	name,
		parent
	)	case Type::name:

◆ NON_CANONICAL_TYPE [1/2]

#define NON_CANONICAL_TYPE	(	Class,
		Base
	)

◆ NON_CANONICAL_TYPE [2/2]

#define NON_CANONICAL_TYPE	(	name,
		parent
	)	case Type::name:

◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [1/2]

#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE	(	Class,
		Base
	)

◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [2/2]

#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE	(	name,
		parent
	)	case Type::name:

◆ SANITIZER

#define SANITIZER	(	NAME,
		ID
	)

Value:

  if (SanOpts.empty())                                                         \
    break;                                                                     \
  if (SanOpts.has(SanitizerKind::ID))                                          \
    if (CGM.isInNoSanitizeList(SanitizerKind::ID, Fn, Loc))                    \
      SanOpts.set(SanitizerKind::ID, false);

◆ TYPE [1/2]

#define TYPE	(	Class,
		Base
	)

◆ TYPE [2/2]

#define TYPE	(	name,
		parent
	)

Function Documentation

◆ CreateMultiVersionResolverReturn()

static void CreateMultiVersionResolverReturn	(	CodeGenModule &	CGM,
		llvm::Function *	Resolver,
		CGBuilderTy &	Builder,
		llvm::Function *	FuncToReturn,
		bool	SupportsIFunc
	)

static

Definition at line 2957 of file CodeGenFunction.cpp.

References clang::CodeGen::CodeGenFunction::Builder, and clang::Result.

Referenced by clang::CodeGen::CodeGenFunction::EmitAArch64MultiVersionResolver(), clang::CodeGen::CodeGenFunction::EmitRISCVMultiVersionResolver(), and clang::CodeGen::CodeGenFunction::EmitX86MultiVersionResolver().

◆ EmitIfUsed()

static void EmitIfUsed	(	CodeGenFunction &	CGF,
		llvm::BasicBlock *	BB
	)

static

Definition at line 359 of file CodeGenFunction.cpp.

References clang::CodeGen::CodeGenFunction::CurFn.

Referenced by clang::CodeGen::CodeGenFunction::FinishFunction().

◆ emitNonZeroVLAInit()

static void emitNonZeroVLAInit	(	CodeGenFunction &	CGF,
		QualType	baseType,
		Address	dest,
		Address	src,
		llvm::Value *	sizeInChars
	)

static

emitNonZeroVLAInit - Emit the "zero" initialization of a variable-length array whose elements have a non-zero bit-pattern.

Parameters

baseType	the inner-most element type of the array
src	- a char* pointing to the bit-pattern for a single base element of the array
sizeInChars	- the total size of the VLA, in chars

Definition at line 2177 of file CodeGenFunction.cpp.

References clang::CharUnits::alignmentOfArrayElement(), clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateInBoundsGEP(), clang::CodeGen::CGBuilderTy::CreateMemCpy(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::Address::emitRawPointer(), clang::CodeGen::Address::getAlignment(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::Address::getElementType(), clang::CharUnits::getQuantity(), clang::CodeGen::Address::getType(), clang::ASTContext::getTypeSizeInChars(), clang::CodeGen::CodeGenTypeCache::Int8Ty, clang::CodeGen::CodeGenTypeCache::IntPtrTy, and clang::CodeGen::Address::withElementType().

Referenced by clang::CodeGen::CodeGenFunction::EmitNullInitialization().

◆ EmitPointerAuthCommon()

static llvm::Value * EmitPointerAuthCommon	(	CodeGenFunction &	CGF,
		const CGPointerAuthInfo &	PointerAuth,
		llvm::Value *	Pointer,
		unsigned	IntrinsicID
	)

static

Definition at line 3307 of file CodeGenFunction.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitRuntimeCall(), clang::CodeGen::CGPointerAuthInfo::getDiscriminator(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CodeGen::CGPointerAuthInfo::getKey(), clang::CodeGen::CGBuilderTy::getSize(), clang::CodeGen::CodeGenTypeCache::IntPtrTy, and Pointer.

Referenced by clang::CodeGen::CodeGenFunction::EmitPointerAuthAuth(), and clang::CodeGen::CodeGenFunction::EmitPointerAuthSign().

◆ EmitStrip()

static llvm::Value * EmitStrip	(	CodeGenFunction &	CGF,
		const CGPointerAuthInfo &	PointerAuth,
		llvm::Value *	Pointer
	)

static

Definition at line 3343 of file CodeGenFunction.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitRuntimeCall(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CodeGen::CGPointerAuthInfo::getKey(), clang::CodeGen::CodeGenTypeCache::IntPtrTy, and Pointer.

Referenced by clang::CodeGen::CodeGenFunction::EmitPointerAuthAuth().

◆ endsWithReturn()

static bool endsWithReturn ( const Decl * F )

static

Determine whether the function F ends with a return stmt.

Definition at line 687 of file CodeGenFunction.cpp.

References clang::FunctionDecl::getBody().

Referenced by clang::CodeGen::CodeGenFunction::StartFunction().

◆ getPrologueSignature()

static llvm::Constant * getPrologueSignature	(	CodeGenModule &	CGM,
		const FunctionDecl *	FD
	)

static

Return the UBSan prologue signature for FD if one is available.

Definition at line 750 of file CodeGenFunction.cpp.

References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenModule::getTargetCodeGenInfo(), clang::CodeGen::TargetCodeGenInfo::getUBSanFunctionSignature(), and clang::CXXMethodDecl::isStatic().

Referenced by clang::CodeGen::CodeGenFunction::StartFunction().

◆ makeNaturalAlignAddrLValue()

static LValue makeNaturalAlignAddrLValue	(	llvm::Value *	V,
		QualType	T,
		bool	ForPointeeType,
		bool	MightBeSigned,
		CodeGenFunction &	CGF,
		KnownNonNull_t	IsKnownNonNull = `NotKnownNonNull`
	)

static

Definition at line 200 of file CodeGenFunction.cpp.

References clang::Addr, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), clang::CodeGen::CodeGenModule::getNaturalTypeAlignment(), clang::CodeGen::CodeGenFunction::MakeAddrLValue(), clang::CodeGen::CodeGenFunction::makeNaturalAddressForPointer(), clang::T, and V.

◆ matchesStlAllocatorFn()

static bool matchesStlAllocatorFn	(	const Decl *	D,
		const ASTContext &	Ctx
	)

static

Definition at line 716 of file CodeGenFunction.cpp.

References D, clang::ASTContext::getSizeType(), and clang::ASTContext::hasSameType().

Referenced by clang::CodeGen::CodeGenFunction::StartFunction().

◆ shouldEmitLifetimeMarkers()

static bool shouldEmitLifetimeMarkers	(	const CodeGenOptions &	CGOpts,
		const LangOptions &	LangOpts
	)

static

shouldEmitLifetimeMarkers - Decide whether we need emit the life-time markers.

Definition at line 63 of file CodeGenFunction.cpp.

References clang::SanitizerSet::has(), and clang::LangOptions::Sanitize.

◆ TryMarkNoThrow()

static void TryMarkNoThrow ( llvm::Function * F )

static

Tries to mark the given function nounwind based on the non-existence of any throwing calls within it.

We believe this is lightweight enough to do at -O0.

Definition at line 1409 of file CodeGenFunction.cpp.

Referenced by clang::CodeGen::CodeGenFunction::GenerateCode().

Namespaces

Macros

Functions

Macro Definition Documentation

◆ ABSTRACT_TYPE [1/2]

◆ ABSTRACT_TYPE [2/2]

◆ DEPENDENT_TYPE [1/2]

◆ DEPENDENT_TYPE [2/2]

◆ NON_CANONICAL_TYPE [1/2]

◆ NON_CANONICAL_TYPE [2/2]

◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [1/2]

◆ NON_CANONICAL_UNLESS_DEPENDENT_TYPE [2/2]

◆ SANITIZER

◆ TYPE [1/2]

◆ TYPE [2/2]

Function Documentation

◆ CreateMultiVersionResolverReturn()

◆ EmitIfUsed()

◆ emitNonZeroVLAInit()

◆ EmitPointerAuthCommon()

◆ EmitStrip()

◆ endsWithReturn()

◆ getPrologueSignature()

◆ makeNaturalAlignAddrLValue()

◆ matchesStlAllocatorFn()

◆ shouldEmitLifetimeMarkers()

◆ TryMarkNoThrow()