bool CXXConstructorDecl::isCopyConstructorLikeSpecialization() const {
if ((getNumParams() < 1) ||
(getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()) ||
(getPrimaryTemplate() == 0) ||
(getDescribedFunctionTemplate() != 0))
return false;
const ParmVarDecl *Param = getParamDecl(0);
ASTContext &Context = getASTContext();
CanQualType ParamType = Context.getCanonicalType(Param->getType());
// Strip off the lvalue reference, if any.
if (CanQual<LValueReferenceType> ParamRefType
= ParamType->getAs<LValueReferenceType>())
ParamType = ParamRefType->getPointeeType();
// Is it the same as our our class type?
CanQualType ClassTy
= Context.getCanonicalType(Context.getTagDeclType(getParent()));
if (ParamType.getUnqualifiedType() != ClassTy)
return false;
return true;
}
llvm::Value * CodeGenFunction::EmitCXXTypeidExpr(const CXXTypeidExpr *E) {
QualType Ty = E->getType();
const llvm::Type *LTy = ConvertType(Ty)->getPointerTo();
if (E->isTypeOperand()) {
Ty = E->getTypeOperand();
CanQualType CanTy = CGM.getContext().getCanonicalType(Ty);
Ty = CanTy.getUnqualifiedType().getNonReferenceType();
if (const RecordType *RT = Ty->getAs<RecordType>()) {
const CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl());
if (RD->isPolymorphic())
return Builder.CreateBitCast(CGM.GenerateRttiRef(RD), LTy);
return Builder.CreateBitCast(CGM.GenerateRtti(RD), LTy);
}
return Builder.CreateBitCast(CGM.GenerateRttiNonClass(Ty), LTy);
}
Expr *subE = E->getExprOperand();
Ty = subE->getType();
CanQualType CanTy = CGM.getContext().getCanonicalType(Ty);
Ty = CanTy.getUnqualifiedType().getNonReferenceType();
if (const RecordType *RT = Ty->getAs<RecordType>()) {
const CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl());
if (RD->isPolymorphic()) {
// FIXME: if subE is an lvalue do
LValue Obj = EmitLValue(subE);
llvm::Value *This = Obj.getAddress();
LTy = LTy->getPointerTo()->getPointerTo();
llvm::Value *V = Builder.CreateBitCast(This, LTy);
// We need to do a zero check for *p, unless it has NonNullAttr.
// FIXME: PointerType->hasAttr<NonNullAttr>()
bool CanBeZero = false;
if (UnaryOperator *UO = dyn_cast<UnaryOperator>(subE->IgnoreParens()))
if (UO->getOpcode() == UnaryOperator::Deref)
CanBeZero = true;
if (CanBeZero) {
llvm::BasicBlock *NonZeroBlock = createBasicBlock();
llvm::BasicBlock *ZeroBlock = createBasicBlock();
llvm::Value *Zero = llvm::Constant::getNullValue(LTy);
Builder.CreateCondBr(Builder.CreateICmpNE(V, Zero),
NonZeroBlock, ZeroBlock);
EmitBlock(ZeroBlock);
/// Call __cxa_bad_typeid
const llvm::Type *ResultType = llvm::Type::getVoidTy(VMContext);
const llvm::FunctionType *FTy;
FTy = llvm::FunctionType::get(ResultType, false);
llvm::Value *F = CGM.CreateRuntimeFunction(FTy, "__cxa_bad_typeid");
Builder.CreateCall(F)->setDoesNotReturn();
Builder.CreateUnreachable();
EmitBlock(NonZeroBlock);
}
V = Builder.CreateLoad(V, "vtable");
V = Builder.CreateConstInBoundsGEP1_64(V, -1ULL);
V = Builder.CreateLoad(V);
return V;
}
return Builder.CreateBitCast(CGM.GenerateRtti(RD), LTy);
}
return Builder.CreateBitCast(CGM.GenerateRttiNonClass(Ty), LTy);
}
void CallAndMessageChecker::HandleNilReceiver(CheckerContext &C,
ProgramStateRef state,
const ObjCMethodCall &Msg) const {
ASTContext &Ctx = C.getASTContext();
static CheckerProgramPointTag Tag(this, "NilReceiver");
// Check the return type of the message expression. A message to nil will
// return different values depending on the return type and the architecture.
QualType RetTy = Msg.getResultType();
CanQualType CanRetTy = Ctx.getCanonicalType(RetTy);
const LocationContext *LCtx = C.getLocationContext();
if (CanRetTy->isStructureOrClassType()) {
// Structure returns are safe since the compiler zeroes them out.
SVal V = C.getSValBuilder().makeZeroVal(RetTy);
C.addTransition(state->BindExpr(Msg.getOriginExpr(), LCtx, V), &Tag);
return;
}
// Other cases: check if sizeof(return type) > sizeof(void*)
if (CanRetTy != Ctx.VoidTy && C.getLocationContext()->getParentMap()
.isConsumedExpr(Msg.getOriginExpr())) {
// Compute: sizeof(void *) and sizeof(return type)
const uint64_t voidPtrSize = Ctx.getTypeSize(Ctx.VoidPtrTy);
const uint64_t returnTypeSize = Ctx.getTypeSize(CanRetTy);
if (CanRetTy.getTypePtr()->isReferenceType()||
(voidPtrSize < returnTypeSize &&
!(supportsNilWithFloatRet(Ctx.getTargetInfo().getTriple()) &&
(Ctx.FloatTy == CanRetTy ||
Ctx.DoubleTy == CanRetTy ||
Ctx.LongDoubleTy == CanRetTy ||
Ctx.LongLongTy == CanRetTy ||
Ctx.UnsignedLongLongTy == CanRetTy)))) {
if (ExplodedNode *N = C.generateSink(state, nullptr, &Tag))
emitNilReceiverBug(C, Msg, N);
return;
}
// Handle the safe cases where the return value is 0 if the
// receiver is nil.
//
// FIXME: For now take the conservative approach that we only
// return null values if we *know* that the receiver is nil.
// This is because we can have surprises like:
//
// ... = [[NSScreens screens] objectAtIndex:0];
//
// What can happen is that [... screens] could return nil, but
// it most likely isn't nil. We should assume the semantics
// of this case unless we have *a lot* more knowledge.
//
SVal V = C.getSValBuilder().makeZeroVal(RetTy);
C.addTransition(state->BindExpr(Msg.getOriginExpr(), LCtx, V), &Tag);
return;
}
C.addTransition(state);
}
static Cl::ModifiableType IsModifiable(ASTContext &Ctx, const Expr *E,
Cl::Kinds Kind, SourceLocation &Loc) {
// As a general rule, we only care about lvalues. But there are some rvalues
// for which we want to generate special results.
if (Kind == Cl::CL_PRValue) {
// For the sake of better diagnostics, we want to specifically recognize
// use of the GCC cast-as-lvalue extension.
if (const ExplicitCastExpr *CE =
dyn_cast<ExplicitCastExpr>(E->IgnoreParens())) {
if (CE->getSubExpr()->IgnoreParenImpCasts()->isLValue()) {
Loc = CE->getExprLoc();
return Cl::CM_LValueCast;
}
}
}
if (Kind != Cl::CL_LValue)
return Cl::CM_RValue;
// This is the lvalue case.
// Functions are lvalues in C++, but not modifiable. (C++ [basic.lval]p6)
if (Ctx.getLangOpts().CPlusPlus && E->getType()->isFunctionType())
return Cl::CM_Function;
// Assignment to a property in ObjC is an implicit setter access. But a
// setter might not exist.
if (const ObjCPropertyRefExpr *Expr = dyn_cast<ObjCPropertyRefExpr>(E)) {
if (Expr->isImplicitProperty() && Expr->getImplicitPropertySetter() == 0)
return Cl::CM_NoSetterProperty;
}
CanQualType CT = Ctx.getCanonicalType(E->getType());
// Const stuff is obviously not modifiable.
if (CT.isConstQualified())
return Cl::CM_ConstQualified;
if (CT.getQualifiers().getAddressSpace() == LangAS::opencl_constant)
return Cl::CM_ConstQualified;
// Arrays are not modifiable, only their elements are.
if (CT->isArrayType())
return Cl::CM_ArrayType;
// Incomplete types are not modifiable.
if (CT->isIncompleteType())
return Cl::CM_IncompleteType;
// Records with any const fields (recursively) are not modifiable.
if (const RecordType *R = CT->getAs<RecordType>()) {
assert((E->getObjectKind() == OK_ObjCProperty ||
!Ctx.getLangOpts().CPlusPlus) &&
"C++ struct assignment should be resolved by the "
"copy assignment operator.");
if (R->hasConstFields())
return Cl::CM_ConstQualified;
}
return Cl::CM_Modifiable;
}
// Asks whether the type in 'context' can ever instantiate to the type
// in 'friend'.
static bool MightInstantiateTo(Sema &S, CanQualType Context, CanQualType Friend) {
if (Friend == Context)
return true;
if (!Friend->isDependentType() && !Context->isDependentType())
return false;
// TODO: this is very conservative.
return true;
}
DeclarationName
DeclarationNameTable::getCXXSpecialName(DeclarationName::NameKind Kind,
CanQualType Ty) {
assert(Kind >= DeclarationName::CXXConstructorName &&
Kind <= DeclarationName::CXXConversionFunctionName &&
"Kind must be a C++ special name kind");
llvm::FoldingSet<CXXSpecialName> *SpecialNames
= static_cast<llvm::FoldingSet<CXXSpecialName>*>(CXXSpecialNamesImpl);
DeclarationNameExtra::ExtraKind EKind;
switch (Kind) {
case DeclarationName::CXXConstructorName:
EKind = DeclarationNameExtra::CXXConstructor;
assert(!Ty.hasQualifiers() &&"Constructor type must be unqualified");
break;
case DeclarationName::CXXDestructorName:
EKind = DeclarationNameExtra::CXXDestructor;
assert(!Ty.hasQualifiers() && "Destructor type must be unqualified");
break;
case DeclarationName::CXXConversionFunctionName:
EKind = DeclarationNameExtra::CXXConversionFunction;
break;
default:
return DeclarationName();
}
// Unique selector, to guarantee there is one per name.
llvm::FoldingSetNodeID ID;
ID.AddInteger(EKind);
ID.AddPointer(Ty.getAsOpaquePtr());
void *InsertPos = nullptr;
if (CXXSpecialName *Name = SpecialNames->FindNodeOrInsertPos(ID, InsertPos))
return DeclarationName(Name);
CXXSpecialName *SpecialName = new (Ctx) CXXSpecialName;
SpecialName->ExtraKindOrNumArgs = EKind;
SpecialName->Type = Ty;
SpecialName->FETokenInfo = nullptr;
SpecialNames->InsertNode(SpecialName, InsertPos);
return DeclarationName(SpecialName);
}
static AccessResult MatchesFriend(Sema &S,
const EffectiveContext &EC,
CanQualType Friend) {
if (const RecordType *RT = Friend->getAs<RecordType>())
return MatchesFriend(S, EC, cast<CXXRecordDecl>(RT->getDecl()));
// TODO: we can do better than this
if (Friend->isDependentType())
return AR_dependent;
return AR_inaccessible;
}
/// Emit an alloca (or GlobalValue depending on target)
/// for the specified parameter and set up LocalDeclMap.
void CodeGenFunction::EmitParmDecl(const VarDecl &D, llvm::Value *Arg) {
// FIXME: Why isn't ImplicitParamDecl a ParmVarDecl?
assert((isa<ParmVarDecl>(D) || isa<ImplicitParamDecl>(D)) &&
"Invalid argument to EmitParmDecl");
QualType Ty = D.getType();
CanQualType CTy = getContext().getCanonicalType(Ty);
llvm::Value *DeclPtr;
if (!Ty->isConstantSizeType()) {
// Variable sized values always are passed by-reference.
DeclPtr = Arg;
} else {
// A fixed sized single-value variable becomes an alloca in the entry block.
const llvm::Type *LTy = ConvertTypeForMem(Ty);
if (LTy->isSingleValueType()) {
// TODO: Alignment
DeclPtr = CreateTempAlloca(LTy);
DeclPtr->setName(D.getNameAsString() + llvm::StringRef(".addr"));
// Store the initial value into the alloca.
EmitStoreOfScalar(Arg, DeclPtr, CTy.isVolatileQualified(), Ty);
} else {
// Otherwise, if this is an aggregate, just use the input pointer.
DeclPtr = Arg;
}
Arg->setName(D.getNameAsString());
}
llvm::Value *&DMEntry = LocalDeclMap[&D];
assert(DMEntry == 0 && "Decl already exists in localdeclmap!");
DMEntry = DeclPtr;
// Emit debug info for param declaration.
if (CGDebugInfo *DI = getDebugInfo()) {
DI->setLocation(D.getLocation());
DI->EmitDeclareOfArgVariable(&D, DeclPtr, Builder);
}
}
bool
CXXConstructorDecl::isCopyConstructor(unsigned &TypeQuals) const {
// C++ [class.copy]p2:
// A non-template constructor for class X is a copy constructor
// if its first parameter is of type X&, const X&, volatile X& or
// const volatile X&, and either there are no other parameters
// or else all other parameters have default arguments (8.3.6).
if ((getNumParams() < 1) ||
(getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()) ||
(getPrimaryTemplate() != 0) ||
(getDescribedFunctionTemplate() != 0))
return false;
const ParmVarDecl *Param = getParamDecl(0);
// Do we have a reference type? Rvalue references don't count.
const LValueReferenceType *ParamRefType =
Param->getType()->getAs<LValueReferenceType>();
if (!ParamRefType)
return false;
// Is it a reference to our class type?
ASTContext &Context = getASTContext();
CanQualType PointeeType
= Context.getCanonicalType(ParamRefType->getPointeeType());
CanQualType ClassTy
= Context.getCanonicalType(Context.getTagDeclType(getParent()));
if (PointeeType.getUnqualifiedType() != ClassTy)
return false;
// FIXME: other qualifiers?
// We have a copy constructor.
TypeQuals = PointeeType.getCVRQualifiers();
return true;
}
void CallAndMessageChecker::HandleNilReceiver(CheckerContext &C,
const ProgramState *state,
ObjCMessage msg) const {
ASTContext &Ctx = C.getASTContext();
// Check the return type of the message expression. A message to nil will
// return different values depending on the return type and the architecture.
QualType RetTy = msg.getType(Ctx);
CanQualType CanRetTy = Ctx.getCanonicalType(RetTy);
if (CanRetTy->isStructureOrClassType()) {
// FIXME: At some point we shouldn't rely on isConsumedExpr(), but instead
// have the "use of undefined value" be smarter about where the
// undefined value came from.
if (C.getPredecessor()->getParentMap().isConsumedExpr(msg.getOriginExpr())){
if (ExplodedNode *N = C.generateSink(state))
emitNilReceiverBug(C, msg, N);
return;
}
// The result is not consumed by a surrounding expression. Just propagate
// the current state.
C.addTransition(state);
return;
}
// Other cases: check if the return type is smaller than void*.
if (CanRetTy != Ctx.VoidTy &&
C.getPredecessor()->getParentMap().isConsumedExpr(msg.getOriginExpr())) {
// Compute: sizeof(void *) and sizeof(return type)
const uint64_t voidPtrSize = Ctx.getTypeSize(Ctx.VoidPtrTy);
const uint64_t returnTypeSize = Ctx.getTypeSize(CanRetTy);
if (voidPtrSize < returnTypeSize &&
!(supportsNilWithFloatRet(Ctx.getTargetInfo().getTriple()) &&
(Ctx.FloatTy == CanRetTy ||
Ctx.DoubleTy == CanRetTy ||
Ctx.LongDoubleTy == CanRetTy ||
Ctx.LongLongTy == CanRetTy ||
Ctx.UnsignedLongLongTy == CanRetTy))) {
if (ExplodedNode *N = C.generateSink(state))
emitNilReceiverBug(C, msg, N);
return;
}
// Handle the safe cases where the return value is 0 if the
// receiver is nil.
//
// FIXME: For now take the conservative approach that we only
// return null values if we *know* that the receiver is nil.
// This is because we can have surprises like:
//
// ... = [[NSScreens screens] objectAtIndex:0];
//
// What can happen is that [... screens] could return nil, but
// it most likely isn't nil. We should assume the semantics
// of this case unless we have *a lot* more knowledge.
//
SVal V = C.getSValBuilder().makeZeroVal(msg.getType(Ctx));
C.generateNode(state->BindExpr(msg.getOriginExpr(), V));
return;
}
C.addTransition(state);
}
/// isAmbiguous - Determines whether the set of paths provided is
/// ambiguous, i.e., there are two or more paths that refer to
/// different base class subobjects of the same type. BaseType must be
/// an unqualified, canonical class type.
bool CXXBasePaths::isAmbiguous(CanQualType BaseType) {
BaseType = BaseType.getUnqualifiedType();
std::pair<bool, unsigned>& Subobjects = ClassSubobjects[BaseType];
return Subobjects.second + (Subobjects.first? 1 : 0) > 1;
}
llvm::Value *CodeGenFunction::EmitDynamicCast(llvm::Value *V,
const CXXDynamicCastExpr *DCE) {
QualType CastTy = DCE->getTypeAsWritten();
QualType InnerType = CastTy->getPointeeType();
QualType ArgTy = DCE->getSubExpr()->getType();
const llvm::Type *LArgTy = ConvertType(ArgTy);
const llvm::Type *LTy = ConvertType(DCE->getType());
bool CanBeZero = false;
bool ToVoid = false;
bool ThrowOnBad = false;
if (CastTy->isPointerType()) {
// FIXME: if PointerType->hasAttr<NonNullAttr>(), we don't set this
CanBeZero = true;
if (InnerType->isVoidType())
ToVoid = true;
} else {
LTy = LTy->getPointerTo();
ThrowOnBad = true;
}
CXXRecordDecl *SrcTy;
QualType Ty = ArgTy;
if (ArgTy.getTypePtr()->isPointerType()
|| ArgTy.getTypePtr()->isReferenceType())
Ty = Ty.getTypePtr()->getPointeeType();
CanQualType CanTy = CGM.getContext().getCanonicalType(Ty);
Ty = CanTy.getUnqualifiedType();
SrcTy = cast<CXXRecordDecl>(Ty->getAs<RecordType>()->getDecl());
llvm::BasicBlock *ContBlock = createBasicBlock();
llvm::BasicBlock *NullBlock = 0;
llvm::BasicBlock *NonZeroBlock = 0;
if (CanBeZero) {
NonZeroBlock = createBasicBlock();
NullBlock = createBasicBlock();
llvm::Value *Zero = llvm::Constant::getNullValue(LArgTy);
Builder.CreateCondBr(Builder.CreateICmpNE(V, Zero),
NonZeroBlock, NullBlock);
EmitBlock(NonZeroBlock);
}
llvm::BasicBlock *BadCastBlock = 0;
const llvm::Type *PtrDiffTy = ConvertType(getContext().getSizeType());
// See if this is a dynamic_cast(void*)
if (ToVoid) {
llvm::Value *This = V;
V = Builder.CreateBitCast(This, PtrDiffTy->getPointerTo()->getPointerTo());
V = Builder.CreateLoad(V, "vtable");
V = Builder.CreateConstInBoundsGEP1_64(V, -2ULL);
V = Builder.CreateLoad(V, "offset to top");
This = Builder.CreateBitCast(This, llvm::Type::getInt8PtrTy(VMContext));
V = Builder.CreateInBoundsGEP(This, V);
V = Builder.CreateBitCast(V, LTy);
} else {
/// Call __dynamic_cast
const llvm::Type *ResultType = llvm::Type::getInt8PtrTy(VMContext);
const llvm::FunctionType *FTy;
std::vector<const llvm::Type*> ArgTys;
const llvm::Type *PtrToInt8Ty
= llvm::Type::getInt8Ty(VMContext)->getPointerTo();
ArgTys.push_back(PtrToInt8Ty);
ArgTys.push_back(PtrToInt8Ty);
ArgTys.push_back(PtrToInt8Ty);
ArgTys.push_back(PtrDiffTy);
FTy = llvm::FunctionType::get(ResultType, ArgTys, false);
CXXRecordDecl *DstTy;
Ty = CastTy.getTypePtr()->getPointeeType();
CanTy = CGM.getContext().getCanonicalType(Ty);
Ty = CanTy.getUnqualifiedType();
DstTy = cast<CXXRecordDecl>(Ty->getAs<RecordType>()->getDecl());
// FIXME: Calculate better hint.
llvm::Value *hint = llvm::ConstantInt::get(PtrDiffTy, -1ULL);
llvm::Value *SrcArg = CGM.GenerateRttiRef(SrcTy);
llvm::Value *DstArg = CGM.GenerateRttiRef(DstTy);
V = Builder.CreateBitCast(V, PtrToInt8Ty);
V = Builder.CreateCall4(CGM.CreateRuntimeFunction(FTy, "__dynamic_cast"),
V, SrcArg, DstArg, hint);
V = Builder.CreateBitCast(V, LTy);
if (ThrowOnBad) {
BadCastBlock = createBasicBlock();
llvm::Value *Zero = llvm::Constant::getNullValue(LTy);
Builder.CreateCondBr(Builder.CreateICmpNE(V, Zero),
ContBlock, BadCastBlock);
EmitBlock(BadCastBlock);
/// Call __cxa_bad_cast
ResultType = llvm::Type::getVoidTy(VMContext);
const llvm::FunctionType *FBadTy;
FBadTy = llvm::FunctionType::get(ResultType, false);
llvm::Value *F = CGM.CreateRuntimeFunction(FBadTy, "__cxa_bad_cast");
Builder.CreateCall(F)->setDoesNotReturn();
Builder.CreateUnreachable();
}
}
if (CanBeZero) {
Builder.CreateBr(ContBlock);
EmitBlock(NullBlock);
Builder.CreateBr(ContBlock);
}
EmitBlock(ContBlock);
if (CanBeZero) {
llvm::PHINode *PHI = Builder.CreatePHI(LTy);
PHI->reserveOperandSpace(2);
PHI->addIncoming(V, NonZeroBlock);
PHI->addIncoming(llvm::Constant::getNullValue(LTy), NullBlock);
V = PHI;
}
return V;
}
static Cl::ModifiableType IsModifiable(ASTContext &Ctx, const Expr *E,
Cl::Kinds Kind, SourceLocation &Loc) {
// As a general rule, we only care about lvalues. But there are some rvalues
// for which we want to generate special results.
if (Kind == Cl::CL_PRValue) {
// For the sake of better diagnostics, we want to specifically recognize
// use of the GCC cast-as-lvalue extension.
if (const CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(E->IgnoreParens())){
if (CE->getSubExpr()->Classify(Ctx).isLValue()) {
Loc = CE->getLParenLoc();
return Cl::CM_LValueCast;
}
}
}
if (Kind != Cl::CL_LValue)
return Cl::CM_RValue;
// This is the lvalue case.
// Functions are lvalues in C++, but not modifiable. (C++ [basic.lval]p6)
if (Ctx.getLangOptions().CPlusPlus && E->getType()->isFunctionType())
return Cl::CM_Function;
// You cannot assign to a variable outside a block from within the block if
// it is not marked __block, e.g.
// void takeclosure(void (^C)(void));
// void func() { int x = 1; takeclosure(^{ x = 7; }); }
if (const BlockDeclRefExpr *BDR = dyn_cast<BlockDeclRefExpr>(E)) {
if (!BDR->isByRef() && isa<VarDecl>(BDR->getDecl()))
return Cl::CM_NotBlockQualified;
}
// Assignment to a property in ObjC is an implicit setter access. But a
// setter might not exist.
if (const ObjCImplicitSetterGetterRefExpr *Expr =
dyn_cast<ObjCImplicitSetterGetterRefExpr>(E)) {
if (Expr->getSetterMethod() == 0)
return Cl::CM_NoSetterProperty;
}
CanQualType CT = Ctx.getCanonicalType(E->getType());
// Const stuff is obviously not modifiable.
if (CT.isConstQualified())
return Cl::CM_ConstQualified;
// Arrays are not modifiable, only their elements are.
if (CT->isArrayType())
return Cl::CM_ArrayType;
// Incomplete types are not modifiable.
if (CT->isIncompleteType())
return Cl::CM_IncompleteType;
// Records with any const fields (recursively) are not modifiable.
if (const RecordType *R = CT->getAs<RecordType>()) {
assert(!Ctx.getLangOptions().CPlusPlus &&
"C++ struct assignment should be resolved by the "
"copy assignment operator.");
if (R->hasConstFields())
return Cl::CM_ConstQualified;
}
return Cl::CM_Modifiable;
}
DeclarationName DeclarationNameTable::getCXXDestructorName(CanQualType Ty) {
return getCXXSpecialName(DeclarationName::CXXDestructorName,
Ty.getUnqualifiedType());
}
