/// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit cast.
/// If there is already an implicit cast, merge into the existing one.
/// If isLvalue, the result of the cast is an lvalue.
void Sema::ImpCastExprToType(Expr *&Expr, QualType Ty,
CastExpr::CastKind Kind, bool isLvalue) {
QualType ExprTy = Context.getCanonicalType(Expr->getType());
QualType TypeTy = Context.getCanonicalType(Ty);
if (ExprTy == TypeTy)
return;
if (Expr->getType()->isPointerType() && Ty->isPointerType()) {
QualType ExprBaseType = cast<PointerType>(ExprTy)->getPointeeType();
QualType BaseType = cast<PointerType>(TypeTy)->getPointeeType();
if (ExprBaseType.getAddressSpace() != BaseType.getAddressSpace()) {
Diag(Expr->getExprLoc(), diag::err_implicit_pointer_address_space_cast)
<< Expr->getSourceRange();
}
}
CheckImplicitConversion(Expr, Ty);
if (ImplicitCastExpr *ImpCast = dyn_cast<ImplicitCastExpr>(Expr)) {
if (ImpCast->getCastKind() == Kind) {
ImpCast->setType(Ty);
ImpCast->setLvalueCast(isLvalue);
return;
}
}
Expr = new (Context) ImplicitCastExpr(Ty, Kind, Expr, isLvalue);
}
unsigned clang_getAddressSpace(CXType CT) {
QualType T = GetQualType(CT);
// For non language-specific address space, use separate helper function.
if (T.getAddressSpace() >= LangAS::FirstTargetAddressSpace) {
return T.getQualifiers().getAddressSpaceAttributePrintValue();
}
// FIXME: this function returns either a LangAS or a target AS
// Those values can overlap which makes this function rather unpredictable
// for any caller
return (unsigned)T.getAddressSpace();
}
/// HandleAddressSpaceTypeAttribute - Process an address_space attribute on the
/// specified type. The attribute contains 1 argument, the id of the address
/// space for the type.
static void HandleAddressSpaceTypeAttribute(QualType &Type,
const AttributeList &Attr, Sema &S){
// If this type is already address space qualified, reject it.
// Clause 6.7.3 - Type qualifiers: "No type shall be qualified by qualifiers
// for two or more different address spaces."
if (Type.getAddressSpace()) {
S.Diag(Attr.getLoc(), diag::err_attribute_address_multiple_qualifiers);
return;
}
// Check the attribute arguments.
if (Attr.getNumArgs() != 1) {
S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1;
return;
}
Expr *ASArgExpr = static_cast<Expr *>(Attr.getArg(0));
llvm::APSInt addrSpace(32);
if (!ASArgExpr->isIntegerConstantExpr(addrSpace, S.Context)) {
S.Diag(Attr.getLoc(), diag::err_attribute_address_space_not_int)
<< ASArgExpr->getSourceRange();
return;
}
unsigned ASIdx = static_cast<unsigned>(addrSpace.getZExtValue());
Type = S.Context.getAddrSpaceQualType(Type, ASIdx);
}
llvm::GlobalVariable *
CodeGenFunction::CreateStaticBlockVarDecl(const VarDecl &D,
const char *Separator,
llvm::GlobalValue::LinkageTypes
Linkage) {
QualType Ty = D.getType();
assert(Ty->isConstantSizeType() && "VLAs can't be static");
std::string Name;
if (getContext().getLangOptions().CPlusPlus) {
Name = CGM.getMangledName(&D);
} else {
std::string ContextName;
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CurFuncDecl))
ContextName = CGM.getMangledName(FD);
else if (isa<ObjCMethodDecl>(CurFuncDecl))
ContextName = CurFn->getName();
else
assert(0 && "Unknown context for block var decl");
Name = ContextName + Separator + D.getNameAsString();
}
const llvm::Type *LTy = CGM.getTypes().ConvertTypeForMem(Ty);
return new llvm::GlobalVariable(CGM.getModule(), LTy,
Ty.isConstant(getContext()), Linkage,
CGM.EmitNullConstant(D.getType()), Name, 0,
D.isThreadSpecified(), Ty.getAddressSpace());
}
/// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit cast.
/// If there is already an implicit cast, merge into the existing one.
/// The result is of the given category.
void Sema::ImpCastExprToType(Expr *&Expr, QualType Ty,
CastExpr::CastKind Kind,
ImplicitCastExpr::ResultCategory Category,
const CXXCastPath *BasePath) {
QualType ExprTy = Context.getCanonicalType(Expr->getType());
QualType TypeTy = Context.getCanonicalType(Ty);
if (ExprTy == TypeTy)
return;
if (Expr->getType()->isPointerType() && Ty->isPointerType()) {
QualType ExprBaseType = cast<PointerType>(ExprTy)->getPointeeType();
QualType BaseType = cast<PointerType>(TypeTy)->getPointeeType();
if (ExprBaseType.getAddressSpace() != BaseType.getAddressSpace()) {
Diag(Expr->getExprLoc(), diag::err_implicit_pointer_address_space_cast)
<< Expr->getSourceRange();
}
}
// If this is a derived-to-base cast to a through a virtual base, we
// need a vtable.
if (Kind == CastExpr::CK_DerivedToBase &&
BasePathInvolvesVirtualBase(*BasePath)) {
QualType T = Expr->getType();
if (const PointerType *Pointer = T->getAs<PointerType>())
T = Pointer->getPointeeType();
if (const RecordType *RecordTy = T->getAs<RecordType>())
MarkVTableUsed(Expr->getLocStart(),
cast<CXXRecordDecl>(RecordTy->getDecl()));
}
if (ImplicitCastExpr *ImpCast = dyn_cast<ImplicitCastExpr>(Expr)) {
if (ImpCast->getCastKind() == Kind && (!BasePath || BasePath->empty())) {
ImpCast->setType(Ty);
ImpCast->setCategory(Category);
return;
}
}
Expr = ImplicitCastExpr::Create(Context, Ty, Kind, Expr, BasePath, Category);
}
llvm::GlobalVariable *
CodeGenFunction::CreateStaticBlockVarDecl(const VarDecl &D,
const char *Separator,
llvm::GlobalValue::LinkageTypes Linkage) {
QualType Ty = D.getType();
assert(Ty->isConstantSizeType() && "VLAs can't be static");
std::string Name = GetStaticDeclName(*this, D, Separator);
const llvm::Type *LTy = CGM.getTypes().ConvertTypeForMem(Ty);
llvm::GlobalVariable *GV =
new llvm::GlobalVariable(CGM.getModule(), LTy,
Ty.isConstant(getContext()), Linkage,
CGM.EmitNullConstant(D.getType()), Name, 0,
D.isThreadSpecified(), Ty.getAddressSpace());
GV->setAlignment(getContext().getDeclAlignInBytes(&D));
return GV;
}
const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) {
const clang::Type &Ty = *Context.getCanonicalType(T).getTypePtr();
switch (Ty.getTypeClass()) {
#define TYPE(Class, Base)
#define ABSTRACT_TYPE(Class, Base)
#define NON_CANONICAL_TYPE(Class, Base) case Type::Class:
#define DEPENDENT_TYPE(Class, Base) case Type::Class:
#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class:
#include "clang/AST/TypeNodes.def"
assert(false && "Non-canonical or dependent types aren't possible.");
break;
case Type::Builtin: {
switch (cast<BuiltinType>(Ty).getKind()) {
case BuiltinType::Void:
case BuiltinType::ObjCId:
case BuiltinType::ObjCClass:
case BuiltinType::ObjCSel:
// LLVM void type can only be used as the result of a function call. Just
// map to the same as char.
return llvm::Type::getInt8Ty(getLLVMContext());
case BuiltinType::Bool:
// Note that we always return bool as i1 for use as a scalar type.
return llvm::Type::getInt1Ty(getLLVMContext());
case BuiltinType::Char_S:
case BuiltinType::Char_U:
case BuiltinType::SChar:
case BuiltinType::UChar:
case BuiltinType::Short:
case BuiltinType::UShort:
case BuiltinType::Int:
case BuiltinType::UInt:
case BuiltinType::Long:
case BuiltinType::ULong:
case BuiltinType::LongLong:
case BuiltinType::ULongLong:
case BuiltinType::WChar_S:
case BuiltinType::WChar_U:
case BuiltinType::Char16:
case BuiltinType::Char32:
return llvm::IntegerType::get(getLLVMContext(),
static_cast<unsigned>(Context.getTypeSize(T)));
#ifdef __SNUCL_COMPILER__
case BuiltinType::Half:
#endif
case BuiltinType::Float:
case BuiltinType::Double:
case BuiltinType::LongDouble:
return getTypeForFormat(getLLVMContext(),
Context.getFloatTypeSemantics(T));
case BuiltinType::NullPtr: {
// Model std::nullptr_t as i8*
const llvm::Type *Ty = llvm::Type::getInt8Ty(getLLVMContext());
return llvm::PointerType::getUnqual(Ty);
}
case BuiltinType::UInt128:
case BuiltinType::Int128:
return llvm::IntegerType::get(getLLVMContext(), 128);
case BuiltinType::Overload:
case BuiltinType::Dependent:
assert(0 && "Unexpected builtin type!");
break;
}
assert(0 && "Unknown builtin type!");
break;
}
case Type::Complex: {
const llvm::Type *EltTy =
ConvertTypeRecursive(cast<ComplexType>(Ty).getElementType());
return llvm::StructType::get(TheModule.getContext(), EltTy, EltTy, NULL);
}
case Type::LValueReference:
case Type::RValueReference: {
const ReferenceType &RTy = cast<ReferenceType>(Ty);
QualType ETy = RTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}
case Type::Pointer: {
const PointerType &PTy = cast<PointerType>(Ty);
QualType ETy = PTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}
case Type::VariableArray: {
const VariableArrayType &A = cast<VariableArrayType>(Ty);
assert(A.getIndexTypeCVRQualifiers() == 0 &&
"FIXME: We only handle trivial array types so far!");
// VLAs resolve to the innermost element type; this matches
// the return of alloca, and there isn't any obviously better choice.
return ConvertTypeForMemRecursive(A.getElementType());
}
case Type::IncompleteArray: {
const IncompleteArrayType &A = cast<IncompleteArrayType>(Ty);
assert(A.getIndexTypeCVRQualifiers() == 0 &&
"FIXME: We only handle trivial array types so far!");
// int X[] -> [0 x int]
return llvm::ArrayType::get(ConvertTypeForMemRecursive(A.getElementType()),
0);
}
case Type::ConstantArray: {
const ConstantArrayType &A = cast<ConstantArrayType>(Ty);
const llvm::Type *EltTy = ConvertTypeForMemRecursive(A.getElementType());
return llvm::ArrayType::get(EltTy, A.getSize().getZExtValue());
}
case Type::ExtVector:
case Type::Vector: {
const VectorType &VT = cast<VectorType>(Ty);
return llvm::VectorType::get(ConvertTypeRecursive(VT.getElementType()),
VT.getNumElements());
}
case Type::FunctionNoProto:
case Type::FunctionProto: {
// First, check whether we can build the full function type. If the
// function type depends on an incomplete type (e.g. a struct or enum), we
// cannot lower the function type. Instead, turn it into an Opaque pointer
// and have UpdateCompletedType revisit the function type when/if the opaque
// argument type is defined.
if (const TagType *TT = VerifyFuncTypeComplete(&Ty)) {
// This function's type depends on an incomplete tag type; make sure
// we have an opaque type corresponding to the tag type.
ConvertTagDeclType(TT->getDecl());
// Create an opaque type for this function type, save it, and return it.
llvm::Type *ResultType = llvm::OpaqueType::get(getLLVMContext());
FunctionTypes.insert(std::make_pair(&Ty, ResultType));
return ResultType;
}
// The function type can be built; call the appropriate routines to
// build it.
const CGFunctionInfo *FI;
bool isVariadic;
if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(&Ty)) {
FI = &getFunctionInfo(
CanQual<FunctionProtoType>::CreateUnsafe(QualType(FPT, 0)),
true /*Recursive*/);
isVariadic = FPT->isVariadic();
} else {
const FunctionNoProtoType *FNPT = cast<FunctionNoProtoType>(&Ty);
FI = &getFunctionInfo(
CanQual<FunctionNoProtoType>::CreateUnsafe(QualType(FNPT, 0)),
true /*Recursive*/);
isVariadic = true;
}
return GetFunctionType(*FI, isVariadic, true);
}
case Type::ObjCObject:
return ConvertTypeRecursive(cast<ObjCObjectType>(Ty).getBaseType());
case Type::ObjCInterface: {
// Objective-C interfaces are always opaque (outside of the
// runtime, which can do whatever it likes); we never refine
// these.
const llvm::Type *&T = InterfaceTypes[cast<ObjCInterfaceType>(&Ty)];
if (!T)
T = llvm::OpaqueType::get(getLLVMContext());
return T;
}
case Type::ObjCObjectPointer: {
// Protocol qualifications do not influence the LLVM type, we just return a
// pointer to the underlying interface type. We don't need to worry about
// recursive conversion.
const llvm::Type *T =
ConvertTypeRecursive(cast<ObjCObjectPointerType>(Ty).getPointeeType());
return llvm::PointerType::getUnqual(T);
}
case Type::Record:
case Type::Enum: {
const TagDecl *TD = cast<TagType>(Ty).getDecl();
const llvm::Type *Res = ConvertTagDeclType(TD);
llvm::SmallString<256> TypeName;
llvm::raw_svector_ostream OS(TypeName);
OS << TD->getKindName() << '.';
// Name the codegen type after the typedef name
// if there is no tag type name available
if (TD->getIdentifier()) {
// FIXME: We should not have to check for a null decl context here.
// Right now we do it because the implicit Obj-C decls don't have one.
if (TD->getDeclContext())
OS << TD->getQualifiedNameAsString();
else
TD->printName(OS);
} else if (const TypedefDecl *TDD = TD->getTypedefForAnonDecl()) {
// FIXME: We should not have to check for a null decl context here.
// Right now we do it because the implicit Obj-C decls don't have one.
if (TDD->getDeclContext())
OS << TDD->getQualifiedNameAsString();
else
TDD->printName(OS);
} else
OS << "anon";
TheModule.addTypeName(OS.str(), Res);
return Res;
}
case Type::BlockPointer: {
const QualType FTy = cast<BlockPointerType>(Ty).getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(FTy, PointeeType));
return llvm::PointerType::get(PointeeType, FTy.getAddressSpace());
}
case Type::MemberPointer: {
return getCXXABI().ConvertMemberPointerType(cast<MemberPointerType>(&Ty));
}
}
// FIXME: implement.
return llvm::OpaqueType::get(getLLVMContext());
}
const llvm::Type *CodeGenTypes::ConvertNewType(QualType T) {
const clang::Type &Ty = *Context.getCanonicalType(T).getTypePtr();
switch (Ty.getTypeClass()) {
#define TYPE(Class, Base)
#define ABSTRACT_TYPE(Class, Base)
#define NON_CANONICAL_TYPE(Class, Base) case Type::Class:
#define DEPENDENT_TYPE(Class, Base) case Type::Class:
#include "clang/AST/TypeNodes.def"
assert(false && "Non-canonical or dependent types aren't possible.");
break;
case Type::Builtin: {
switch (cast<BuiltinType>(Ty).getKind()) {
default: assert(0 && "Unknown builtin type!");
case BuiltinType::Void:
case BuiltinType::ObjCId:
case BuiltinType::ObjCClass:
case BuiltinType::ObjCSel:
// LLVM void type can only be used as the result of a function call. Just
// map to the same as char.
return llvm::IntegerType::get(getLLVMContext(), 8);
case BuiltinType::Bool:
// Note that we always return bool as i1 for use as a scalar type.
return llvm::Type::getInt1Ty(getLLVMContext());
case BuiltinType::Char_S:
case BuiltinType::Char_U:
case BuiltinType::SChar:
case BuiltinType::UChar:
case BuiltinType::Short:
case BuiltinType::UShort:
case BuiltinType::Int:
case BuiltinType::UInt:
case BuiltinType::Long:
case BuiltinType::ULong:
case BuiltinType::LongLong:
case BuiltinType::ULongLong:
case BuiltinType::WChar:
case BuiltinType::Char16:
case BuiltinType::Char32:
return llvm::IntegerType::get(getLLVMContext(),
static_cast<unsigned>(Context.getTypeSize(T)));
case BuiltinType::Float:
case BuiltinType::Double:
case BuiltinType::LongDouble:
return getTypeForFormat(getLLVMContext(),
Context.getFloatTypeSemantics(T));
case BuiltinType::NullPtr: {
// Model std::nullptr_t as i8*
const llvm::Type *Ty = llvm::IntegerType::get(getLLVMContext(), 8);
return llvm::PointerType::getUnqual(Ty);
}
case BuiltinType::UInt128:
case BuiltinType::Int128:
return llvm::IntegerType::get(getLLVMContext(), 128);
}
break;
}
case Type::FixedWidthInt:
return llvm::IntegerType::get(getLLVMContext(),
cast<FixedWidthIntType>(T)->getWidth());
case Type::Complex: {
const llvm::Type *EltTy =
ConvertTypeRecursive(cast<ComplexType>(Ty).getElementType());
return llvm::StructType::get(TheModule.getContext(), EltTy, EltTy, NULL);
}
case Type::LValueReference:
case Type::RValueReference: {
const ReferenceType &RTy = cast<ReferenceType>(Ty);
QualType ETy = RTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}
case Type::Pointer: {
const PointerType &PTy = cast<PointerType>(Ty);
QualType ETy = PTy.getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(ETy, PointeeType));
return llvm::PointerType::get(PointeeType, ETy.getAddressSpace());
}
case Type::VariableArray: {
const VariableArrayType &A = cast<VariableArrayType>(Ty);
assert(A.getIndexTypeCVRQualifiers() == 0 &&
"FIXME: We only handle trivial array types so far!");
// VLAs resolve to the innermost element type; this matches
// the return of alloca, and there isn't any obviously better choice.
return ConvertTypeForMemRecursive(A.getElementType());
}
case Type::IncompleteArray: {
const IncompleteArrayType &A = cast<IncompleteArrayType>(Ty);
assert(A.getIndexTypeCVRQualifiers() == 0 &&
"FIXME: We only handle trivial array types so far!");
// int X[] -> [0 x int]
return llvm::ArrayType::get(ConvertTypeForMemRecursive(A.getElementType()), 0);
}
case Type::ConstantArray: {
const ConstantArrayType &A = cast<ConstantArrayType>(Ty);
const llvm::Type *EltTy = ConvertTypeForMemRecursive(A.getElementType());
return llvm::ArrayType::get(EltTy, A.getSize().getZExtValue());
}
case Type::ExtVector:
case Type::Vector: {
const VectorType &VT = cast<VectorType>(Ty);
return llvm::VectorType::get(ConvertTypeRecursive(VT.getElementType()),
VT.getNumElements());
}
case Type::FunctionNoProto:
case Type::FunctionProto: {
// First, check whether we can build the full function type.
if (const TagType* TT = VerifyFuncTypeComplete(&Ty)) {
// This function's type depends on an incomplete tag type; make sure
// we have an opaque type corresponding to the tag type.
ConvertTagDeclType(TT->getDecl());
// Create an opaque type for this function type, save it, and return it.
llvm::Type *ResultType = llvm::OpaqueType::get(getLLVMContext());
FunctionTypes.insert(std::make_pair(&Ty, ResultType));
return ResultType;
}
// The function type can be built; call the appropriate routines to
// build it.
if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(&Ty))
return GetFunctionType(getFunctionInfo(FPT), FPT->isVariadic());
const FunctionNoProtoType *FNPT = cast<FunctionNoProtoType>(&Ty);
return GetFunctionType(getFunctionInfo(FNPT), true);
}
case Type::ObjCInterface: {
// Objective-C interfaces are always opaque (outside of the
// runtime, which can do whatever it likes); we never refine
// these.
const llvm::Type *&T = InterfaceTypes[cast<ObjCInterfaceType>(&Ty)];
if (!T)
T = llvm::OpaqueType::get(getLLVMContext());
return T;
}
case Type::ObjCObjectPointer: {
// Protocol qualifications do not influence the LLVM type, we just return a
// pointer to the underlying interface type. We don't need to worry about
// recursive conversion.
const llvm::Type *T =
ConvertTypeRecursive(cast<ObjCObjectPointerType>(Ty).getPointeeType());
return llvm::PointerType::getUnqual(T);
}
case Type::Record:
case Type::Enum: {
const TagDecl *TD = cast<TagType>(Ty).getDecl();
const llvm::Type *Res = ConvertTagDeclType(TD);
std::string TypeName(TD->getKindName());
TypeName += '.';
// Name the codegen type after the typedef name
// if there is no tag type name available
if (TD->getIdentifier())
// FIXME: We should not have to check for a null decl context here.
// Right now we do it because the implicit Obj-C decls don't have one.
TypeName += TD->getDeclContext() ? TD->getQualifiedNameAsString() :
TD->getNameAsString();
else if (const TypedefType *TdT = dyn_cast<TypedefType>(T))
// FIXME: We should not have to check for a null decl context here.
// Right now we do it because the implicit Obj-C decls don't have one.
TypeName += TdT->getDecl()->getDeclContext() ?
TdT->getDecl()->getQualifiedNameAsString() :
TdT->getDecl()->getNameAsString();
else
TypeName += "anon";
TheModule.addTypeName(TypeName, Res);
return Res;
}
case Type::BlockPointer: {
const QualType FTy = cast<BlockPointerType>(Ty).getPointeeType();
llvm::OpaqueType *PointeeType = llvm::OpaqueType::get(getLLVMContext());
PointersToResolve.push_back(std::make_pair(FTy, PointeeType));
return llvm::PointerType::get(PointeeType, FTy.getAddressSpace());
}
case Type::MemberPointer: {
// FIXME: This is ABI dependent. We use the Itanium C++ ABI.
// http://www.codesourcery.com/public/cxx-abi/abi.html#member-pointers
// If we ever want to support other ABIs this needs to be abstracted.
QualType ETy = cast<MemberPointerType>(Ty).getPointeeType();
const llvm::Type *PtrDiffTy =
ConvertTypeRecursive(Context.getPointerDiffType());
if (ETy->isFunctionType()) {
return llvm::StructType::get(TheModule.getContext(), PtrDiffTy, PtrDiffTy,
NULL);
} else
return PtrDiffTy;
}
case Type::TemplateSpecialization:
assert(false && "Dependent types can't get here");
}
// FIXME: implement.
return llvm::OpaqueType::get(getLLVMContext());
}
const llvm::FunctionType *
CodeGenTypes::GetFunctionType(const CGFunctionInfo &FI, bool IsVariadic) {
std::vector<const llvm::Type*> ArgTys;
const llvm::Type *ResultType = 0;
QualType RetTy = FI.getReturnType();
const ABIArgInfo &RetAI = FI.getReturnInfo();
switch (RetAI.getKind()) {
case ABIArgInfo::Expand:
assert(0 && "Invalid ABI kind for return argument");
case ABIArgInfo::Extend:
case ABIArgInfo::Direct:
ResultType = ConvertType(RetTy);
break;
case ABIArgInfo::Indirect: {
assert(!RetAI.getIndirectAlign() && "Align unused on indirect return.");
ResultType = llvm::Type::getVoidTy(getLLVMContext());
const llvm::Type *STy = ConvertType(RetTy);
ArgTys.push_back(llvm::PointerType::get(STy, RetTy.getAddressSpace()));
break;
}
case ABIArgInfo::Ignore:
ResultType = llvm::Type::getVoidTy(getLLVMContext());
break;
case ABIArgInfo::Coerce:
ResultType = RetAI.getCoerceToType();
break;
}
for (CGFunctionInfo::const_arg_iterator it = FI.arg_begin(),
ie = FI.arg_end(); it != ie; ++it) {
const ABIArgInfo &AI = it->info;
switch (AI.getKind()) {
case ABIArgInfo::Ignore:
break;
case ABIArgInfo::Coerce:
ArgTys.push_back(AI.getCoerceToType());
break;
case ABIArgInfo::Indirect: {
// indirect arguments are always on the stack, which is addr space #0.
const llvm::Type *LTy = ConvertTypeForMem(it->type);
ArgTys.push_back(llvm::PointerType::getUnqual(LTy));
break;
}
case ABIArgInfo::Extend:
case ABIArgInfo::Direct:
ArgTys.push_back(ConvertType(it->type));
break;
case ABIArgInfo::Expand:
GetExpandedTypes(it->type, ArgTys);
break;
}
}
return llvm::FunctionType::get(ResultType, ArgTys, IsVariadic);
}
