Index: lib/CodeGen/AsmPrinter/CodeViewDebug.h =================================================================== --- lib/CodeGen/AsmPrinter/CodeViewDebug.h +++ lib/CodeGen/AsmPrinter/CodeViewDebug.h @@ -31,6 +31,7 @@ class StringRef; class LexicalScope; +struct ClassInfo; /// \brief Collects and handles line tables information in a CodeView format. class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase { @@ -136,14 +137,22 @@ /// All inlined subprograms in the order they should be emitted. SmallSetVector InlinedSubprograms; - /// Map from DI metadata nodes to CodeView type indices. Primarily indexed by - /// DIType* and DISubprogram*. - DenseMap TypeIndices; + /// Map from a pair of DI metadata nodes and its DI type (or scope) that can + /// be nullptr, to CodeView type indices. Primarily indexed by + /// {DIType*, DIType*} and {DISubprogram*, DIType*}. + /// + /// The second entry in the key is needed for methods as DISubroutineType + /// representing static method type are shared with non-method function type. + DenseMap, codeview::TypeIndex> + TypeIndices; /// Map from DICompositeType* to complete type index. Non-record types are /// always looked up in the normal TypeIndices map. DenseMap CompleteTypeIndices; + /// Map from DICompositeType* to class info. + DenseMap> ClassInfoMap; + typedef std::map FileToFilepathMapTy; FileToFilepathMapTy FileToFilepathMap; StringRef getFullFilepath(const DIFile *S); @@ -152,12 +161,7 @@ void maybeRecordLocation(DebugLoc DL, const MachineFunction *MF); - void clear() { - assert(CurFn == nullptr); - FileIdMap.clear(); - FnDebugInfo.clear(); - FileToFilepathMap.clear(); - } + void clear(); /// Emit the magic version number at the start of a CodeView type or symbol /// section. Appears at the front of every .debug$S or .debug$T section. @@ -197,9 +201,10 @@ /// Translates the DIType to codeview if necessary and returns a type index /// for it. - codeview::TypeIndex getTypeIndex(DITypeRef TypeRef); + codeview::TypeIndex getTypeIndex(DITypeRef TypeRef, + DITypeRef ClassTyRef = DITypeRef()); - codeview::TypeIndex lowerType(const DIType *Ty); + codeview::TypeIndex lowerType(const DIType *Ty, const DIType *ClassTy); codeview::TypeIndex lowerTypeAlias(const DIDerivedType *Ty); codeview::TypeIndex lowerTypeArray(const DICompositeType *Ty); codeview::TypeIndex lowerTypeBasic(const DIBasicType *Ty); @@ -207,6 +212,8 @@ codeview::TypeIndex lowerTypeMemberPointer(const DIDerivedType *Ty); codeview::TypeIndex lowerTypeModifier(const DIDerivedType *Ty); codeview::TypeIndex lowerTypeFunction(const DISubroutineType *Ty); + codeview::TypeIndex lowerTypeMemberFunction(const DISubroutineType *Ty, + const DIType *ClassTy); codeview::TypeIndex lowerTypeClass(const DICompositeType *Ty); codeview::TypeIndex lowerTypeUnion(const DICompositeType *Ty); @@ -220,14 +227,22 @@ codeview::TypeIndex lowerCompleteTypeClass(const DICompositeType *Ty); codeview::TypeIndex lowerCompleteTypeUnion(const DICompositeType *Ty); + codeview::TypeIndex lowerSubprogramType(const DISubprogram *SP); + + void collectMemberInfo(ClassInfo &Info, const DIDerivedType *DDTy); + ClassInfo &collectClassInfo(const DICompositeType *Ty); + /// Common record member lowering functionality for record types, which are /// structs, classes, and unions. Returns the field list index and the member /// count. - std::pair + std::tuple lowerRecordFieldList(const DICompositeType *Ty); - /// Inserts {Node, TI} into TypeIndices and checks for duplicates. - void recordTypeIndexForDINode(const DINode *Node, codeview::TypeIndex TI); + /// Inserts {{Node, ClassTy}, TI} into TypeIndices and checks for duplicates. + void recordTypeIndexForDINode(const DINode *Node, codeview::TypeIndex TI, + const DIType *ClassTy = nullptr); + + unsigned getPointerSizeInBytes(); public: CodeViewDebug(AsmPrinter *Asm); Index: lib/CodeGen/AsmPrinter/CodeViewDebug.cpp =================================================================== --- lib/CodeGen/AsmPrinter/CodeViewDebug.cpp +++ lib/CodeGen/AsmPrinter/CodeViewDebug.cpp @@ -24,9 +24,9 @@ #include "llvm/MC/MCSymbol.h" #include "llvm/Support/COFF.h" #include "llvm/Support/ScopedPrinter.h" -#include "llvm/Target/TargetSubtargetInfo.h" -#include "llvm/Target/TargetRegisterInfo.h" #include "llvm/Target/TargetFrameLowering.h" +#include "llvm/Target/TargetRegisterInfo.h" +#include "llvm/Target/TargetSubtargetInfo.h" using namespace llvm; using namespace llvm::codeview; @@ -130,25 +130,30 @@ return TypeIndex::None(); // Check if we've already translated this subprogram. - auto I = TypeIndices.find(SP); + auto I = TypeIndices.find({ SP, nullptr }); if (I != TypeIndices.end()) return I->second; TypeIndex ParentScope = TypeIndex(0); StringRef DisplayName = SP->getDisplayName(); - FuncIdRecord FuncId(ParentScope, getTypeIndex(SP->getType()), DisplayName); + FuncIdRecord FuncId(ParentScope, lowerSubprogramType(SP), DisplayName); TypeIndex TI = TypeTable.writeFuncId(FuncId); recordTypeIndexForDINode(SP, TI); return TI; } -void CodeViewDebug::recordTypeIndexForDINode(const DINode *Node, TypeIndex TI) { - auto InsertResult = TypeIndices.insert({Node, TI}); +void CodeViewDebug::recordTypeIndexForDINode(const DINode *Node, TypeIndex TI, + const DIType *ClassTy) { + auto InsertResult = TypeIndices.insert({ { Node, ClassTy }, TI }); (void)InsertResult; assert(InsertResult.second && "DINode was already assigned a type index"); } +unsigned CodeViewDebug::getPointerSizeInBytes() { + return MMI->getModule()->getDataLayout().getPointerSizeInBits() / 8; +} + void CodeViewDebug::recordLocalVariable(LocalVariable &&Var, const DILocation *InlinedAt) { if (InlinedAt) { @@ -285,8 +290,7 @@ void CodeViewDebug::emitTypeInformation() { // Do nothing if we have no debug info or if no non-trivial types were emitted // to TypeTable during codegen. - NamedMDNode *CU_Nodes = - MMI->getModule()->getNamedMetadata("llvm.dbg.cu"); + NamedMDNode *CU_Nodes = MMI->getModule()->getNamedMetadata("llvm.dbg.cu"); if (!CU_Nodes) return; if (TypeTable.empty()) @@ -341,8 +345,8 @@ OS.EmitIntValue(unsigned(InlineeLinesSignature::Normal), 4); for (const DISubprogram *SP : InlinedSubprograms) { - assert(TypeIndices.count(SP)); - TypeIndex InlineeIdx = TypeIndices[SP]; + assert(TypeIndices.count({ SP, nullptr })); + TypeIndex InlineeIdx = TypeIndices[{ SP, nullptr }]; OS.AddBlankLine(); unsigned FileId = maybeRecordFile(SP->getFile()); @@ -380,8 +384,8 @@ MCSymbol *InlineBegin = MMI->getContext().createTempSymbol(), *InlineEnd = MMI->getContext().createTempSymbol(); - assert(TypeIndices.count(Site.Inlinee)); - TypeIndex InlineeIdx = TypeIndices[Site.Inlinee]; + assert(TypeIndices.count({ Site.Inlinee, nullptr })); + TypeIndex InlineeIdx = TypeIndices[{ Site.Inlinee, nullptr }]; // SymbolRecord OS.AddComment("Record length"); @@ -723,7 +727,7 @@ } } -TypeIndex CodeViewDebug::lowerType(const DIType *Ty) { +TypeIndex CodeViewDebug::lowerType(const DIType *Ty, const DIType *ClassTy) { // Generic dispatch for lowering an unknown type. switch (Ty->getTag()) { case dwarf::DW_TAG_array_type: @@ -742,7 +746,10 @@ case dwarf::DW_TAG_volatile_type: return lowerTypeModifier(cast(Ty)); case dwarf::DW_TAG_subroutine_type: - return lowerTypeFunction(cast(Ty)); + if (ClassTy) + return lowerTypeMemberFunction(cast(Ty), ClassTy); + else + return lowerTypeFunction(cast(Ty)); case dwarf::DW_TAG_class_type: case dwarf::DW_TAG_structure_type: return lowerTypeClass(cast(Ty)); @@ -875,6 +882,14 @@ TypeIndex CodeViewDebug::lowerTypePointer(const DIDerivedType *Ty) { TypeIndex PointeeTI = getTypeIndex(Ty->getBaseType()); + // While processing the type being pointed to it is possible we already + // created this pointer type. If so, we check here and return the existing + // pointer type. + // + auto I = TypeIndices.find({ Ty, nullptr }); + if (I != TypeIndices.end()) + return I->second; + // Pointers to simple types can use SimpleTypeMode, rather than having a // dedicated pointer type record. if (PointeeTI.isSimple() && @@ -912,7 +927,7 @@ TypeIndex CodeViewDebug::lowerTypeMemberPointer(const DIDerivedType *Ty) { assert(Ty->getTag() == dwarf::DW_TAG_ptr_to_member_type); TypeIndex ClassTI = getTypeIndex(Ty->getClassType()); - TypeIndex PointeeTI = getTypeIndex(Ty->getBaseType()); + TypeIndex PointeeTI = getTypeIndex(Ty->getBaseType(), Ty->getClassType()); PointerKind PK = Asm->MAI->getPointerSize() == 8 ? PointerKind::Near64 : PointerKind::Near32; PointerMode PM = isa(Ty->getBaseType()) @@ -961,6 +976,15 @@ BaseTy = cast(BaseTy)->getBaseType().resolve(); } TypeIndex ModifiedTI = getTypeIndex(BaseTy); + + // While processing the type being pointed to, it is possible we already + // created this modifier type. If so, we check here and return the existing + // modifier type. + // + auto I = TypeIndices.find({ Ty, nullptr }); + if (I != TypeIndices.end()) + return I->second; + ModifierRecord MR(ModifiedTI, Mods); return TypeTable.writeModifier(MR); } @@ -983,16 +1007,67 @@ CallingConvention CC = dwarfCCToCodeView(Ty->getCC()); - // TODO: Some functions are member functions, we should use a more appropriate - // record for those. ProcedureRecord Procedure(ReturnTypeIndex, CC, FunctionOptions::None, ArgTypeIndices.size(), ArgListIndex); return TypeTable.writeProcedure(Procedure); } -static MemberAccess translateAccessFlags(unsigned RecordTag, - const DIType *Member) { - switch (Member->getFlags() & DINode::FlagAccessibility) { +TypeIndex CodeViewDebug::lowerTypeMemberFunction(const DISubroutineType *Ty, + const DIType *ClassTy) { + // Lower the containing class type. + // + TypeIndex ClassType = getTypeIndex(ClassTy); + + // While processing the class type it is possible we already created this + // member function. If so, we check here and return the existing one. + // + auto I = TypeIndices.find({ Ty, ClassTy }); + if (I != TypeIndices.end()) + return I->second; + + SmallVector ReturnAndArgTypeIndices; + for (DITypeRef ArgTypeRef : Ty->getTypeArray()) + ReturnAndArgTypeIndices.push_back(getTypeIndex(ArgTypeRef)); + + TypeIndex ReturnTypeIndex = TypeIndex::Void(); + ArrayRef ArgTypeIndices = None; + if (!ReturnAndArgTypeIndices.empty()) { + auto ReturnAndArgTypesRef = makeArrayRef(ReturnAndArgTypeIndices); + ReturnTypeIndex = ReturnAndArgTypesRef.front(); + ArgTypeIndices = ReturnAndArgTypesRef.drop_front(); + } + TypeIndex ThisTypeIndex = TypeIndex::Void(); + if (!ArgTypeIndices.empty()) { + ThisTypeIndex = ArgTypeIndices.front(); + ArgTypeIndices = ArgTypeIndices.drop_front(); + } + + ArgListRecord ArgListRec(TypeRecordKind::ArgList, ArgTypeIndices); + TypeIndex ArgListIndex = TypeTable.writeArgList(ArgListRec); + + CallingConvention CC = dwarfCCToCodeView(Ty->getCC()); + + // TODO: We should use DW_AT_calling_convention to determine what CC this + // procedure record should have. + // TODO: Need to use the correct values for: + // FunctionOptions + // ThisPointerAdjustment. + TypeIndex TI = TypeTable.writeMemberFunction(MemberFunctionRecord( + ReturnTypeIndex, ClassType, ThisTypeIndex, CC, FunctionOptions::None, + ArgTypeIndices.size(), ArgListIndex, 0)); + + return TI; +} + +TypeIndex CodeViewDebug::lowerSubprogramType(const DISubprogram *SP) { + auto ClassType = dyn_cast_or_null(SP->getScope().resolve()); + TypeIndex TI = getTypeIndex(SP->getType(), ClassType); + + return TI; +} + +static MemberAccess translateAccessFlags(unsigned RecordTag, unsigned Flags) { + switch (Flags & DINode::FlagAccessibility) { case DINode::FlagPrivate: return MemberAccess::Private; case DINode::FlagPublic: return MemberAccess::Public; case DINode::FlagProtected: return MemberAccess::Protected; @@ -1004,6 +1079,34 @@ llvm_unreachable("access flags are exclusive"); } +static MethodOptions translateMethodOptionFlags(const DISubprogram *SP) { + if (SP->isArtificial()) + return MethodOptions::CompilerGenerated; + + // FIXME: Handle other MethodOptions. + + return MethodOptions::None; +} + +static MethodKind translateMethodKindFlags(const DISubprogram *SP, + bool Introduced) { + switch (SP->getVirtuality()) { + case dwarf::DW_VIRTUALITY_none: + break; + case dwarf::DW_VIRTUALITY_virtual: + return Introduced ? MethodKind::IntroducingVirtual : MethodKind::Virtual; + case dwarf::DW_VIRTUALITY_pure_virtual: + return Introduced ? MethodKind::PureIntroducingVirtual + : MethodKind::PureVirtual; + default: + llvm_unreachable("unhandled virtuality case"); + } + + // FIXME: Get Clang to mark DISubprogram as static and do something with it. + + return MethodKind::Vanilla; +} + static TypeRecordKind getRecordKind(const DICompositeType *Ty) { switch (Ty->getTag()) { case dwarf::DW_TAG_class_type: return TypeRecordKind::Class; @@ -1022,6 +1125,100 @@ : ClassOptions::None; } +//===----------------------------------------------------------------------===// +// ClassInfo +//===----------------------------------------------------------------------===// + +struct llvm::ClassInfo { + struct MemberInfo { + const DIDerivedType *MemberTypeNode; + unsigned BaseOffset; + }; + // [MemberInfo] + typedef std::vector MemberList; + + struct MethodInfo { + const DISubprogram *Method; + bool Introduced; + }; + // [MethodInfo] + typedef std::vector MethodsList; + // MethodName -> MethodsList + typedef MapVector MethodsMap; + + /// Direct members. + MemberList Members; + // Direct overloaded methods gathered by name. + MethodsMap Methods; +}; + +void CodeViewDebug::clear() { + assert(CurFn == nullptr); + FileIdMap.clear(); + FnDebugInfo.clear(); + FileToFilepathMap.clear(); + TypeIndices.clear(); + CompleteTypeIndices.clear(); + ClassInfoMap.clear(); +} + +void CodeViewDebug::collectMemberInfo(ClassInfo &Info, + const DIDerivedType *DDTy) { + if (!DDTy->getName().empty()) { + Info.Members.push_back({ DDTy, 0 }); + return; + } + // Member with no name, must be nested structure/union, collects its memebers + assert((DDTy->getOffsetInBits() % 8) == 0 && "Unnamed bitfield member!"); + unsigned offset = DDTy->getOffsetInBits() / 8; + const DIType *Ty = DDTy->getBaseType().resolve(); + assert(dyn_cast(Ty) && "Expects structure or union type"); + const DICompositeType *DCTy = dyn_cast(Ty); + ClassInfo &NestedInfo = collectClassInfo(DCTy); + ClassInfo::MemberList &Members = NestedInfo.Members; + for (unsigned i = 0, e = Members.size(); i != e; ++i) + Info.Members.push_back( + { Members[i].MemberTypeNode, Members[i].BaseOffset + offset }); +} + +ClassInfo &CodeViewDebug::collectClassInfo(const DICompositeType *Ty) { + auto Insertion = ClassInfoMap.insert({ Ty, std::unique_ptr() }); + std::unique_ptr &Info = Insertion.first->second; + if (!Insertion.second) + return *Info; + Info.reset(new ClassInfo()); + + // Add elements to structure type. + DINodeArray Elements = Ty->getElements(); + for (auto *Element : Elements) { + // We assume that the frontend provides all members in source declaration + // order, which is what MSVC does. + if (!Element) + continue; + if (auto *SP = dyn_cast(Element)) { + // Non-virtual methods does not need the introduced marker. + // Set it to false. + bool Introduced = false; + Info->Methods[SP->getRawName()].push_back({ SP, Introduced }); + } else if (auto *DDTy = dyn_cast(Element)) { + if (DDTy->getTag() == dwarf::DW_TAG_member) + collectMemberInfo(*Info, DDTy); + else if (DDTy->getTag() == dwarf::DW_TAG_inheritance) { + // FIXME: collect class info from inheritance. + } else if (DDTy->getTag() == dwarf::DW_TAG_friend) { + // Ignore friend members. It appears that MSVC emitted info about + // friends in the past, but modern versions do not. + } + // FIXME: Get Clang to emit function virtual table here and handle it. + // FIXME: Get clang to emit nested types here and do something with + // them. + } + // Skip other unrecognized kinds of elements. + } + + return *Info; +} + TypeIndex CodeViewDebug::lowerTypeClass(const DICompositeType *Ty) { // First, construct the forward decl. Don't look into Ty to compute the // forward decl options, since it might not be available in all TUs. @@ -1039,15 +1236,15 @@ TypeRecordKind Kind = getRecordKind(Ty); // FIXME: Other ClassOptions, like ContainsNestedClass and NestedClass. ClassOptions CO = ClassOptions::None | getRecordUniqueNameOption(Ty); - TypeIndex FTI; + TypeIndex FieldTI; + TypeIndex VShapeTI; unsigned FieldCount; - std::tie(FTI, FieldCount) = lowerRecordFieldList(Ty); + std::tie(FieldTI, VShapeTI, FieldCount) = lowerRecordFieldList(Ty); uint64_t SizeInBytes = Ty->getSizeInBits() / 8; - return TypeTable.writeClass(ClassRecord(Kind, FieldCount, CO, HfaKind::None, - WindowsRTClassKind::None, FTI, - TypeIndex(), TypeIndex(), SizeInBytes, - Ty->getName(), Ty->getIdentifier())); + return TypeTable.writeClass(ClassRecord( + Kind, FieldCount, CO, HfaKind::None, WindowsRTClassKind::None, FieldTI, + TypeIndex(), VShapeTI, SizeInBytes, Ty->getName(), Ty->getIdentifier())); // FIXME: Make an LF_UDT_SRC_LINE record. } @@ -1062,65 +1259,88 @@ TypeIndex CodeViewDebug::lowerCompleteTypeUnion(const DICompositeType *Ty) { ClassOptions CO = ClassOptions::None | getRecordUniqueNameOption(Ty); - TypeIndex FTI; + TypeIndex FieldTI; + TypeIndex VShapeTI; // Dummy unsigned FieldCount; - std::tie(FTI, FieldCount) = lowerRecordFieldList(Ty); + std::tie(FieldTI, VShapeTI, FieldCount) = lowerRecordFieldList(Ty); uint64_t SizeInBytes = Ty->getSizeInBits() / 8; - return TypeTable.writeUnion(UnionRecord(FieldCount, CO, HfaKind::None, FTI, - SizeInBytes, Ty->getName(), + return TypeTable.writeUnion(UnionRecord(FieldCount, CO, HfaKind::None, + FieldTI, SizeInBytes, Ty->getName(), Ty->getIdentifier())); // FIXME: Make an LF_UDT_SRC_LINE record. } -std::pair +std::tuple CodeViewDebug::lowerRecordFieldList(const DICompositeType *Ty) { // Manually count members. MSVC appears to count everything that generates a // field list record. Each individual overload in a method overload group // contributes to this count, even though the overload group is a single field // list record. unsigned MemberCount = 0; + ClassInfo &Info = collectClassInfo(Ty); FieldListRecordBuilder Fields; - for (const DINode *Element : Ty->getElements()) { - // We assume that the frontend provides all members in source declaration - // order, which is what MSVC does. - if (!Element) + + // Create members + for (ClassInfo::MemberInfo &MemberInfo : Info.Members) { + const DIDerivedType *Member = MemberInfo.MemberTypeNode; + TypeIndex MemberBaseType = getTypeIndex(Member->getBaseType()); + + if (Member->isStaticMember()) { + Fields.writeStaticDataMember( + StaticDataMemberRecord(translateAccessFlags(Ty->getTag(), + Member->getFlags()), + MemberBaseType, Member->getName())); + MemberCount++; continue; - if (auto *SP = dyn_cast(Element)) { - // C++ method. - // FIXME: Overloaded methods are grouped together, so we'll need two - // passes to group them. - (void)SP; - } else if (auto *Member = dyn_cast(Element)) { - if (Member->getTag() == dwarf::DW_TAG_member) { - if (Member->isStaticMember()) { - // Static data member. - Fields.writeStaticDataMember(StaticDataMemberRecord( - translateAccessFlags(Ty->getTag(), Member), - getTypeIndex(Member->getBaseType()), Member->getName())); - MemberCount++; - } else { - // Data member. - // FIXME: Make a BitFieldRecord for bitfields. - Fields.writeDataMember(DataMemberRecord( - translateAccessFlags(Ty->getTag(), Member), - getTypeIndex(Member->getBaseType()), - Member->getOffsetInBits() / 8, Member->getName())); - MemberCount++; - } - } else if (Member->getTag() == dwarf::DW_TAG_friend) { - // Ignore friend members. It appears that MSVC emitted info about - // friends in the past, but modern versions do not. - } - // FIXME: Get clang to emit nested types here and do something with - // them. } - // Skip other unrecognized kinds of elements. + + uint64_t OffsetInBytes = MemberInfo.BaseOffset; + + //FIXME: Handle bitfield type memeber. + OffsetInBytes += Member->getOffsetInBits() / 8; + + Fields.writeDataMember( + DataMemberRecord(translateAccessFlags(Ty->getTag(), Member->getFlags()), + MemberBaseType, OffsetInBytes, Member->getName())); + MemberCount++; + } + + // Create methods + for (auto &MethodItr : Info.Methods) { + StringRef Name = MethodItr.first->getString(); + + std::vector Methods; + for (ClassInfo::MethodInfo &MethodInfo : MethodItr.second) { + const DISubprogram *SP = MethodInfo.Method; + bool Introduced = MethodInfo.Introduced; + + TypeIndex Methodtype = getTypeIndex(SP->getType(), Ty); + + unsigned VFTableOffset = -1; + if (Introduced) + VFTableOffset = SP->getVirtualIndex() * getPointerSizeInBytes(); + + Methods.push_back(OneMethodRecord( + Methodtype, translateMethodKindFlags(SP, Introduced), + translateMethodOptionFlags(SP), + translateAccessFlags(Ty->getTag(), SP->getFlags()), VFTableOffset, + Name)); + MemberCount++; + } + assert(Methods.size() > 0 && "Empty methods map entry"); + if (Methods.size() == 1) + Fields.writeOneMethod(Methods[0]); + else + Fields.writeOverloadedMethod(OverloadedMethodRecord( + Methods.size(), TypeTable.writeMethodOverloadList(Methods), Name)); } - return {TypeTable.writeFieldList(Fields), MemberCount}; + TypeIndex FieldTI = TypeTable.writeFieldList(Fields); + return std::make_tuple(FieldTI, TypeIndex(), MemberCount); } -TypeIndex CodeViewDebug::getTypeIndex(DITypeRef TypeRef) { +TypeIndex CodeViewDebug::getTypeIndex(DITypeRef TypeRef, DITypeRef ClassTyRef) { const DIType *Ty = TypeRef.resolve(); + const DIType *ClassTy = ClassTyRef.resolve(); // The null DIType is the void type. Don't try to hash it. if (!Ty) @@ -1129,13 +1349,13 @@ // Check if we've already translated this type. Don't try to do a // get-or-create style insertion that caches the hash lookup across the // lowerType call. It will update the TypeIndices map. - auto I = TypeIndices.find(Ty); + auto I = TypeIndices.find({ Ty, ClassTy }); if (I != TypeIndices.end()) return I->second; - TypeIndex TI = lowerType(Ty); + TypeIndex TI = lowerType(Ty, ClassTy); - recordTypeIndexForDINode(Ty, TI); + recordTypeIndexForDINode(Ty, TI, ClassTy); return TI; } Index: test/DebugInfo/COFF/types-basic.ll =================================================================== --- test/DebugInfo/COFF/types-basic.ll +++ test/DebugInfo/COFF/types-basic.ll @@ -115,23 +115,25 @@ ; CHECK: } ; CHECK: ArgList (0x1008) { ; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) -; CHECK: NumArgs: 1 +; CHECK: NumArgs: 0 ; CHECK: Arguments [ -; CHECK: ArgType: A* (0x1007) -; CHECK: ] -; CHECK: } -; CHECK: Procedure (0x1009) { -; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) -; CHECK: ReturnType: void (0x3) -; CHECK: CallingConvention: NearC (0x0) -; CHECK: FunctionOptions [ (0x0) ; CHECK: ] -; CHECK: NumParameters: 1 -; CHECK: ArgListType: (A*) (0x1008) ; CHECK: } +; CHECK: MemberFunction (0x1009) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) +; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: A (0x1005) +; CHECK: ThisType: A* (0x1007) +; CHECK: CallingConvention: NearC (0x0) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1008) +; CHECK: ThisAdjustment: 0 +; CHECK: } ; CHECK: Pointer (0x100A) { ; CHECK: TypeLeafKind: LF_POINTER (0x1002) -; CHECK: PointeeType: void (A*) (0x1009) +; CHECK: PointeeType: void A::() (0x1009) ; CHECK: PointerAttributes: 0x1006C ; CHECK: PtrType: Near64 (0xC) ; CHECK: PtrMode: PointerToMemberFunction (0x3) @@ -160,25 +162,19 @@ ; CHECK: IsVolatile: 0 ; CHECK: IsUnaligned: 0 ; CHECK: } -; CHECK: ArgList (0x100D) { -; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) -; CHECK: NumArgs: 0 -; CHECK: Arguments [ -; CHECK: ] -; CHECK: } -; CHECK: Procedure (0x100E) { +; CHECK: Procedure (0x100D) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 -; CHECK: ArgListType: () (0x100D) +; CHECK: ArgListType: () (0x1008) ; CHECK: } -; CHECK: FuncId (0x100F) { +; CHECK: FuncId (0x100E) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void () (0x100E) +; CHECK: FunctionType: void () (0x100D) ; CHECK: Name: CharTypes ; CHECK: } ; CHECK: ] @@ -239,7 +235,7 @@ ; CHECK: VarName: v4 ; CHECK: } ; CHECK: Local { -; CHECK: Type: void (A*) A::* (0x100A) +; CHECK: Type: void A::() A::* (0x100A) ; CHECK: VarName: v5 ; CHECK: } ; CHECK: Local { @@ -267,7 +263,7 @@ ; CHECK: ] ; CHECK: Subsection [ ; CHECK: ProcStart { -; CHECK: Type: CharTypes (0x100F) +; CHECK: Type: CharTypes (0x100E) ; CHECK: DisplayName: CharTypes ; CHECK: LinkageName: ?CharTypes@@YAXXZ ; CHECK: } Index: test/DebugInfo/COFF/types-calling-conv.ll =================================================================== --- test/DebugInfo/COFF/types-calling-conv.ll +++ test/DebugInfo/COFF/types-calling-conv.ll @@ -40,90 +40,85 @@ ; CHECK: } ; CHECK: ArgList (0x1002) { ; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) -; CHECK: NumArgs: 1 +; CHECK: NumArgs: 0 ; CHECK: Arguments [ -; CHECK: ArgType: A* (0x1001) ; CHECK: ] ; CHECK: } -; CHECK: Procedure (0x1003) { -; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) +; CHECK: MemberFunction (0x1003) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: A (0x1000) +; CHECK: ThisType: A* (0x1001) ; CHECK: CallingConvention: ThisCall (0xB) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] -; CHECK: NumParameters: 1 -; CHECK: ArgListType: (A*) (0x1002) +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1002) ; CHECK: } ; CHECK: FuncId (0x1004) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void (A*) (0x1003) +; CHECK: FunctionType: void A::() (0x1003) ; CHECK: Name: A::thiscallcc ; CHECK: } -; CHECK: ArgList (0x1005) { -; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) -; CHECK: NumArgs: 0 -; CHECK: Arguments [ -; CHECK: ] -; CHECK: } -; CHECK: Procedure (0x1006) { +; CHECK: Procedure (0x1005) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 -; CHECK: ArgListType: () (0x1005) +; CHECK: ArgListType: () (0x1002) ; CHECK: } -; CHECK: FuncId (0x1007) { +; CHECK: FuncId (0x1006) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void () (0x1006) +; CHECK: FunctionType: void () (0x1005) ; CHECK: Name: cdeclcc ; CHECK: } -; CHECK: Procedure (0x1008) { +; CHECK: Procedure (0x1007) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearFast (0x4) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 -; CHECK: ArgListType: () (0x1005) +; CHECK: ArgListType: () (0x1002) ; CHECK: } -; CHECK: FuncId (0x1009) { +; CHECK: FuncId (0x1008) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void () (0x1008) +; CHECK: FunctionType: void () (0x1007) ; CHECK: Name: fastcallcc ; CHECK: } -; CHECK: Procedure (0x100A) { +; CHECK: Procedure (0x1009) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearStdCall (0x7) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 -; CHECK: ArgListType: () (0x1005) +; CHECK: ArgListType: () (0x1002) ; CHECK: } -; CHECK: FuncId (0x100B) { +; CHECK: FuncId (0x100A) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void () (0x100A) +; CHECK: FunctionType: void () (0x1009) ; CHECK: Name: stdcallcc ; CHECK: } -; CHECK: Procedure (0x100C) { +; CHECK: Procedure (0x100B) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearVector (0x18) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 0 -; CHECK: ArgListType: () (0x1005) +; CHECK: ArgListType: () (0x1002) ; CHECK: } -; CHECK: FuncId (0x100D) { +; CHECK: FuncId (0x100C) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void () (0x100C) +; CHECK: FunctionType: void () (0x100B) ; CHECK: Name: vectorcallcc ; CHECK: } ; CHECK: ] Index: test/DebugInfo/COFF/types-data-members.ll =================================================================== --- test/DebugInfo/COFF/types-data-members.ll +++ test/DebugInfo/COFF/types-data-members.ll @@ -306,26 +306,22 @@ ; CHECK: IsVolatile: 0 ; CHECK: IsUnaligned: 0 ; CHECK: } -; CHECK: ArgList (0x1017) { -; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) -; CHECK: NumArgs: 1 -; CHECK: Arguments [ -; CHECK: ArgType: DerivedClass* (0x1016) -; CHECK: ] -; CHECK: } -; CHECK: Procedure (0x1018) { -; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) +; CHECK: MemberFunction (0x1017) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) ; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: DerivedClass (0x100D) +; CHECK: ThisType: DerivedClass* (0x1016) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] -; CHECK: NumParameters: 1 -; CHECK: ArgListType: (DerivedClass*) (0x1017) +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1000) +; CHECK: ThisAdjustment: 0 ; CHECK: } -; CHECK: FuncId (0x1019) { +; CHECK: FuncId (0x1018) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 -; CHECK: FunctionType: void (DerivedClass*) (0x1018) +; CHECK: FunctionType: void DerivedClass::() (0x1017) ; CHECK: Name: DerivedClass::DerivedClass ; CHECK: } ; CHECK: ] Index: test/DebugInfo/COFF/types-non-virtual-methods.ll =================================================================== --- test/DebugInfo/COFF/types-non-virtual-methods.ll +++ test/DebugInfo/COFF/types-non-virtual-methods.ll @@ -0,0 +1,295 @@ +; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s + +; C++ source to regenerate: +; $ cat t.cpp +; struct A { +; void f_default_public(); +; private: +; void f_private(); +; protected: +; void f_protected(); +; public: +; void f_public(); +; }; +; +; class B { +; void f_default_private(); +; public: +; void f(float); +; void f(int); +; }; +; +; void foo() { +; A a; +; B b; +; } + + +; CHECK: CodeViewTypes [ +; CHECK: Section: .debug$T (5) +; CHECK: Magic: 0x4 +; CHECK: ArgList (0x1000) { +; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) +; CHECK: NumArgs: 0 +; CHECK: Arguments [ +; CHECK: ] +; CHECK: } +; CHECK: Procedure (0x1001) { +; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) +; CHECK: ReturnType: void (0x3) +; CHECK: CallingConvention: NearC (0x0) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1000) +; CHECK: } +; CHECK: FuncId (0x1002) { +; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) +; CHECK: ParentScope: 0x0 +; CHECK: FunctionType: void () (0x1001) +; CHECK: Name: foo +; CHECK: } +; CHECK: Struct (0x1003) { +; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) +; CHECK: MemberCount: 0 +; CHECK: Properties [ (0x80) +; CHECK: ForwardReference (0x80) +; CHECK: ] +; CHECK: FieldList: 0x0 +; CHECK: DerivedFrom: 0x0 +; CHECK: VShape: 0x0 +; CHECK: SizeOf: 0 +; CHECK: Name: A +; CHECK: } +; CHECK: Pointer (0x1004) { +; CHECK: TypeLeafKind: LF_POINTER (0x1002) +; CHECK: PointeeType: A (0x1003) +; CHECK: PointerAttributes: 0x800A +; CHECK: PtrType: Near32 (0xA) +; CHECK: PtrMode: Pointer (0x0) +; CHECK: IsFlat: 0 +; CHECK: IsConst: 0 +; CHECK: IsVolatile: 0 +; CHECK: IsUnaligned: 0 +; CHECK: } +; CHECK: MemberFunction (0x1005) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) +; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: A (0x1003) +; CHECK: ThisType: A* (0x1004) +; CHECK: CallingConvention: ThisCall (0xB) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1000) +; CHECK: ThisAdjustment: 0 +; CHECK: } +; CHECK: UnknownLeaf (0x1006) { +; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) +; CHECK: OneMethod { +; CHECK: AccessSpecifier: Public (0x3) +; CHECK: Type: void A::() (0x1005) +; CHECK: Name: A::f_default_public +; CHECK: } +; CHECK: OneMethod { +; CHECK: AccessSpecifier: Private (0x1) +; CHECK: Type: void A::() (0x1005) +; CHECK: Name: A::f_private +; CHECK: } +; CHECK: OneMethod { +; CHECK: AccessSpecifier: Protected (0x2) +; CHECK: Type: void A::() (0x1005) +; CHECK: Name: A::f_protected +; CHECK: } +; CHECK: OneMethod { +; CHECK: AccessSpecifier: Public (0x3) +; CHECK: Type: void A::() (0x1005) +; CHECK: Name: A::f_public +; CHECK: } +; CHECK: } +; CHECK: Struct (0x1007) { +; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) +; CHECK: MemberCount: 4 +; CHECK: Properties [ (0x0) +; CHECK: ] +; CHECK: FieldList: A::f_public (0x1006) +; CHECK: DerivedFrom: 0x0 +; CHECK: VShape: 0x0 +; CHECK: SizeOf: 1 +; CHECK: Name: A +; CHECK: } +; CHECK: Class (0x1008) { +; CHECK: TypeLeafKind: LF_CLASS (0x1504) +; CHECK: MemberCount: 0 +; CHECK: Properties [ (0x80) +; CHECK: ForwardReference (0x80) +; CHECK: ] +; CHECK: FieldList: 0x0 +; CHECK: DerivedFrom: 0x0 +; CHECK: VShape: 0x0 +; CHECK: SizeOf: 0 +; CHECK: Name: B +; CHECK: } +; CHECK: Pointer (0x1009) { +; CHECK: TypeLeafKind: LF_POINTER (0x1002) +; CHECK: PointeeType: B (0x1008) +; CHECK: PointerAttributes: 0x800A +; CHECK: PtrType: Near32 (0xA) +; CHECK: PtrMode: Pointer (0x0) +; CHECK: IsFlat: 0 +; CHECK: IsConst: 0 +; CHECK: IsVolatile: 0 +; CHECK: IsUnaligned: 0 +; CHECK: } +; CHECK: MemberFunction (0x100A) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) +; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: B (0x1008) +; CHECK: ThisType: B* (0x1009) +; CHECK: CallingConvention: ThisCall (0xB) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 0 +; CHECK: ArgListType: () (0x1000) +; CHECK: ThisAdjustment: 0 +; CHECK: } +; CHECK: ArgList (0x100B) { +; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) +; CHECK: NumArgs: 1 +; CHECK: Arguments [ +; CHECK: ArgType: float (0x40) +; CHECK: ] +; CHECK: } +; CHECK: MemberFunction (0x100C) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) +; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: B (0x1008) +; CHECK: ThisType: B* (0x1009) +; CHECK: CallingConvention: ThisCall (0xB) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 1 +; CHECK: ArgListType: (float) (0x100B) +; CHECK: ThisAdjustment: 0 +; CHECK: } +; CHECK: ArgList (0x100D) { +; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) +; CHECK: NumArgs: 1 +; CHECK: Arguments [ +; CHECK: ArgType: int (0x74) +; CHECK: ] +; CHECK: } +; CHECK: MemberFunction (0x100E) { +; CHECK: TypeLeafKind: LF_MFUNCTION (0x1009) +; CHECK: ReturnType: void (0x3) +; CHECK: ClassType: B (0x1008) +; CHECK: ThisType: B* (0x1009) +; CHECK: CallingConvention: ThisCall (0xB) +; CHECK: FunctionOptions [ (0x0) +; CHECK: ] +; CHECK: NumParameters: 1 +; CHECK: ArgListType: (int) (0x100D) +; CHECK: ThisAdjustment: 0 +; CHECK: } +; CHECK: MethodOverloadList (0x100F) { +; CHECK: TypeLeafKind: LF_METHODLIST (0x1206) +; CHECK: Method [ +; CHECK: AccessSpecifier: Public (0x3) +; CHECK: Type: void B::(float) (0x100C) +; CHECK: ] +; CHECK: Method [ +; CHECK: AccessSpecifier: Public (0x3) +; CHECK: Type: void B::(int) (0x100E) +; CHECK: ] +; CHECK: } +; CHECK: UnknownLeaf (0x1010) { +; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) +; CHECK: OneMethod { +; CHECK: AccessSpecifier: Private (0x1) +; CHECK: Type: void B::() (0x100A) +; CHECK: Name: B::f_default_private +; CHECK: } +; CHECK: OverloadedMethod { +; CHECK: MethodCount: 0x2 +; CHECK: MethodListIndex: 0x100F +; CHECK: Name: B::f +; CHECK: } +; CHECK: } +; CHECK: Class (0x1011) { +; CHECK: TypeLeafKind: LF_CLASS (0x1504) +; CHECK: MemberCount: 3 +; CHECK: Properties [ (0x0) +; CHECK: ] +; CHECK: FieldList: B::f (0x1010) +; CHECK: DerivedFrom: 0x0 +; CHECK: VShape: 0x0 +; CHECK: SizeOf: 1 +; CHECK: Name: B +; CHECK: } +; CHECK: ] + + +target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" +target triple = "i686-pc-windows-msvc" + +%struct.A = type { i8 } +%class.B = type { i8 } + +; Function Attrs: nounwind +define void @"\01?foo@@YAXXZ"() #0 !dbg !6 { +entry: + %a = alloca %struct.A, align 1 + %b = alloca %class.B, align 1 + call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !9, metadata !19), !dbg !20 + call void @llvm.dbg.declare(metadata %class.B* %b, metadata !21, metadata !19), !dbg !36 + ret void, !dbg !37 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 + +attributes #0 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4} +!llvm.ident = !{!5} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 272316)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) +!1 = !DIFile(filename: "t.cpp", directory: "/") +!2 = !{} +!3 = !{i32 2, !"CodeView", i32 1} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = !{!"clang version 3.9.0 (trunk 272316)"} +!6 = distinct !DISubprogram(name: "foo", linkageName: "\01?foo@@YAXXZ", scope: !1, file: !1, line: 18, type: !7, isLocal: false, isDefinition: true, scopeLine: 18, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) +!7 = !DISubroutineType(types: !8) +!8 = !{null} +!9 = !DILocalVariable(name: "a", scope: !6, file: !1, line: 19, type: !10) +!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 8, align: 8, elements: !11) +!11 = !{!12, !16, !17, !18} +!12 = !DISubprogram(name: "A::f_default_public", linkageName: "\01?f_default_public@A@@QAEXXZ", scope: !10, file: !1, line: 2, type: !13, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false) +!13 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !14) +!14 = !{null, !15} +!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32, flags: DIFlagArtificial | DIFlagObjectPointer) +!16 = !DISubprogram(name: "A::f_private", linkageName: "\01?f_private@A@@AAEXXZ", scope: !10, file: !1, line: 4, type: !13, isLocal: false, isDefinition: false, scopeLine: 4, flags: DIFlagPrivate | DIFlagPrototyped, isOptimized: false) +!17 = !DISubprogram(name: "A::f_protected", linkageName: "\01?f_protected@A@@IAEXXZ", scope: !10, file: !1, line: 6, type: !13, isLocal: false, isDefinition: false, scopeLine: 6, flags: DIFlagProtected | DIFlagPrototyped, isOptimized: false) +!18 = !DISubprogram(name: "A::f_public", linkageName: "\01?f_public@A@@QAEXXZ", scope: !10, file: !1, line: 8, type: !13, isLocal: false, isDefinition: false, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false) +!19 = !DIExpression() +!20 = !DILocation(line: 19, scope: !6) +!21 = !DILocalVariable(name: "b", scope: !6, file: !1, line: 20, type: !22) +!22 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !1, line: 11, size: 8, align: 8, elements: !23) +!23 = !{!24, !28, !32} +!24 = !DISubprogram(name: "B::f_default_private", linkageName: "\01?f_default_private@B@@AAEXXZ", scope: !22, file: !1, line: 12, type: !25, isLocal: false, isDefinition: false, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: false) +!25 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !26) +!26 = !{null, !27} +!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 32, align: 32, flags: DIFlagArtificial | DIFlagObjectPointer) +!28 = !DISubprogram(name: "B::f", linkageName: "\01?f@B@@QAEXM@Z", scope: !22, file: !1, line: 14, type: !29, isLocal: false, isDefinition: false, scopeLine: 14, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false) +!29 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !30) +!30 = !{null, !27, !31} +!31 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float) +!32 = !DISubprogram(name: "B::f", linkageName: "\01?f@B@@QAEXH@Z", scope: !22, file: !1, line: 15, type: !33, isLocal: false, isDefinition: false, scopeLine: 15, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false) +!33 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !34) +!34 = !{null, !27, !35} +!35 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) +!36 = !DILocation(line: 20, scope: !6) +!37 = !DILocation(line: 21, scope: !6)