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Introduce support to encode Objective-C property information in debugging information generated for an interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129624 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -551,7 +551,12 @@ DW_ATE_unsigned_char = 8
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i64, ;; Size in bits
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i64, ;; Alignment in bits
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i64, ;; Offset in bits
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metadata ;; Reference to type derived from
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metadata, ;; Reference to type derived from
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metadata, ;; (optional) Name of the Objective C property assoicated with
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;; Objective-C an ivar
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metadata, ;; (optional) Name of the Objective C property getter selector.
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metadata, ;; (optional) Name of the Objective C property setter selector.
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i32 ;; (optional) Objective C property attributes.
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}
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</pre>
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</div>
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@ -146,6 +146,30 @@ namespace llvm {
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uint64_t AlignInBits, uint64_t OffsetInBits,
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unsigned Flags, DIType Ty);
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/// createObjCIVar - Create debugging information entry for Objective-C
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/// instance variable.
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/// @param Name Member name.
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/// @param File File where this member is defined.
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/// @param LineNo Line number.
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/// @param SizeInBits Member size.
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/// @param AlignInBits Member alignment.
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/// @param OffsetInBits Member offset.
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/// @param Flags Flags to encode member attribute, e.g. private
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/// @param Ty Parent type.
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/// @param PropertyName Name of the Objective C property assoicated with
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/// this ivar.
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/// @param GetterName Name of the Objective C property getter selector.
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/// @param SetterName Name of the Objective C property setter selector.
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/// @param PropertyAttributes Objective C property attributes.
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DIType createObjCIVar(StringRef Name, DIFile File,
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unsigned LineNo, uint64_t SizeInBits,
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uint64_t AlignInBits, uint64_t OffsetInBits,
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unsigned Flags, DIType Ty,
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StringRef PropertyName = StringRef(),
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StringRef PropertyGetterName = StringRef(),
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StringRef PropertySetterName = StringRef(),
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unsigned PropertyAttributes = 0);
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/// createClassType - Create debugging information entry for a class.
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/// @param Scope Scope in which this class is defined.
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/// @param Name class name.
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@ -332,6 +332,32 @@ namespace llvm {
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/// return base type size.
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uint64_t getOriginalTypeSize() const;
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StringRef getObjCPropertyName() const { return getStringField(10); }
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StringRef getObjCPropertyGetterName() const {
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return getStringField(11);
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}
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StringRef getObjCPropertySetterName() const {
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return getStringField(12);
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}
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bool isReadOnlyObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
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}
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bool isReadWriteObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readwrite) != 0;
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}
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bool isAssignObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_assign) != 0;
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}
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bool isRetainObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_retain) != 0;
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}
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bool isCopyObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_copy) != 0;
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}
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bool isNonAtomicObjCProperty() {
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return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
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}
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/// Verify - Verify that a derived type descriptor is well formed.
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bool Verify() const;
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@ -231,6 +231,10 @@ enum dwarf_constants {
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DW_AT_APPLE_major_runtime_vers = 0x3fe5,
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DW_AT_APPLE_runtime_class = 0x3fe6,
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DW_AT_APPLE_omit_frame_ptr = 0x3fe7,
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DW_AT_APPLE_property_name = 0x3fe8,
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DW_AT_APPLE_property_getter = 0x3fe9,
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DW_AT_APPLE_property_setter = 0x3fea,
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DW_AT_APPLE_property_attribute = 0x3feb,
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// Attribute form encodings
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DW_FORM_addr = 0x01,
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@ -584,7 +588,15 @@ enum dwarf_constants {
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DW_EH_PE_datarel = 0x30,
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DW_EH_PE_funcrel = 0x40,
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DW_EH_PE_aligned = 0x50,
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DW_EH_PE_indirect = 0x80
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DW_EH_PE_indirect = 0x80,
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// Apple Objective-C Property Attributes
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DW_APPLE_PROPERTY_readonly = 0x01,
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DW_APPLE_PROPERTY_readwrite = 0x02,
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DW_APPLE_PROPERTY_assign = 0x04,
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DW_APPLE_PROPERTY_retain = 0x08,
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DW_APPLE_PROPERTY_copy = 0x10,
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DW_APPLE_PROPERTY_nonatomic = 0x20
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};
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/// TagString - Return the string for the specified tag.
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@ -236,6 +236,35 @@ DIType DIBuilder::createMemberType(StringRef Name,
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return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
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}
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/// createObjCIVar - Create debugging information entry for Objective-C
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/// instance variable.
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DIType DIBuilder::createObjCIVar(StringRef Name,
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DIFile File, unsigned LineNumber,
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uint64_t SizeInBits, uint64_t AlignInBits,
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uint64_t OffsetInBits, unsigned Flags,
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DIType Ty, StringRef PropertyName,
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StringRef GetterName, StringRef SetterName,
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unsigned PropertyAttributes) {
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// TAG_member is encoded in DIDerivedType format.
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Value *Elts[] = {
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GetTagConstant(VMContext, dwarf::DW_TAG_member),
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File, // Or TheCU ? Ty ?
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MDString::get(VMContext, Name),
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File,
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ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
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ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
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ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
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ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
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ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
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Ty,
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MDString::get(VMContext, PropertyName),
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MDString::get(VMContext, GetterName),
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MDString::get(VMContext, SetterName),
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ConstantInt::get(Type::getInt32Ty(VMContext), PropertyAttributes)
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};
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return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
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}
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/// createClassType - Create debugging information entry for a class.
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DIType DIBuilder::createClassType(DIDescriptor Context, StringRef Name,
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DIFile File, unsigned LineNumber,
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@ -969,5 +969,36 @@ DIE *CompileUnit::createMemberDIE(DIDerivedType DT) {
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if (DT.isVirtual())
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addUInt(MemberDie, dwarf::DW_AT_virtuality, dwarf::DW_FORM_flag,
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dwarf::DW_VIRTUALITY_virtual);
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// Objective-C properties.
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StringRef PropertyName = DT.getObjCPropertyName();
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if (!PropertyName.empty()) {
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addString(MemberDie, dwarf::DW_AT_APPLE_property_name, dwarf::DW_FORM_string,
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PropertyName);
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StringRef GetterName = DT.getObjCPropertyGetterName();
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if (!GetterName.empty())
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addString(MemberDie, dwarf::DW_AT_APPLE_property_getter,
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dwarf::DW_FORM_string, GetterName);
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StringRef SetterName = DT.getObjCPropertySetterName();
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if (!SetterName.empty())
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addString(MemberDie, dwarf::DW_AT_APPLE_property_setter,
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dwarf::DW_FORM_string, SetterName);
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unsigned PropertyAttributes = 0;
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if (DT.isReadOnlyObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readonly;
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if (DT.isReadWriteObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_readwrite;
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if (DT.isAssignObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_assign;
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if (DT.isRetainObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_retain;
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if (DT.isCopyObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_copy;
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if (DT.isNonAtomicObjCProperty())
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PropertyAttributes |= dwarf::DW_APPLE_PROPERTY_nonatomic;
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if (PropertyAttributes)
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addUInt(MemberDie, dwarf::DW_AT_APPLE_property_attribute, 0,
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PropertyAttributes);
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}
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return MemberDie;
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}
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@ -203,6 +203,10 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
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case DW_AT_APPLE_major_runtime_vers: return "DW_AT_APPLE_major_runtime_vers";
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case DW_AT_APPLE_runtime_class: return "DW_AT_APPLE_runtime_class";
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case DW_AT_APPLE_omit_frame_ptr: return "DW_AT_APPLE_omit_frame_ptr";
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case DW_AT_APPLE_property_name: return "DW_AT_APPLE_property_name";
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case DW_AT_APPLE_property_getter: return "DW_AT_APPLE_property_getter";
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case DW_AT_APPLE_property_setter: return "DW_AT_APPLE_property_setter";
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case DW_AT_APPLE_property_attribute: return "DW_AT_APPLE_property_attribute";
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}
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return 0;
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}
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