X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FIR%2FDIBuilder.h;h=aeec39541154ce09a6008ebaf0e9fb6b7d7b9b4c;hb=4918b66f8428f0d5b4559da8f966e3aa54c3b1ba;hp=c5d3142dbcf9cb28d271edb41c8441d4cb53e429;hpb=717764717b34568a1db4f7c8ac30c540f38161ec;p=oota-llvm.git diff --git a/include/llvm/IR/DIBuilder.h b/include/llvm/IR/DIBuilder.h index c5d3142dbcf..aeec3954115 100644 --- a/include/llvm/IR/DIBuilder.h +++ b/include/llvm/IR/DIBuilder.h @@ -36,14 +36,9 @@ namespace llvm { Module &M; LLVMContext &VMContext; - TempMDTuple TempEnumTypes; - TempMDTuple TempRetainTypes; - TempMDTuple TempSubprograms; - TempMDTuple TempGVs; - TempMDTuple TempImportedModules; - - Function *DeclareFn; // llvm.dbg.declare - Function *ValueFn; // llvm.dbg.value + DICompileUnit *CUNode; ///< The one compile unit created by this DIBuiler. + Function *DeclareFn; ///< llvm.dbg.declare + Function *ValueFn; ///< llvm.dbg.value SmallVector AllEnumTypes; /// Track the RetainTypes, since they can be updated later on. @@ -52,7 +47,7 @@ namespace llvm { SmallVector AllGVs; SmallVector AllImportedModules; - /// \brief Track nodes that may be unresolved. + /// Track nodes that may be unresolved. SmallVector UnresolvedNodes; bool AllowUnresolvedNodes; @@ -62,49 +57,52 @@ namespace llvm { DIBuilder(const DIBuilder &) = delete; void operator=(const DIBuilder &) = delete; - /// \brief Create a temporary. + /// Create a temporary. /// /// Create an \a temporary node and track it in \a UnresolvedNodes. void trackIfUnresolved(MDNode *N); public: - /// \brief Construct a builder for a module. + /// Construct a builder for a module. /// /// If \c AllowUnresolved, collect unresolved nodes attached to the module /// in order to resolve cycles during \a finalize(). explicit DIBuilder(Module &M, bool AllowUnresolved = true); enum DebugEmissionKind { FullDebug=1, LineTablesOnly }; - /// finalize - Construct any deferred debug info descriptors. + /// Construct any deferred debug info descriptors. void finalize(); - /// createCompileUnit - A CompileUnit provides an anchor for all debugging + /// A CompileUnit provides an anchor for all debugging /// information generated during this instance of compilation. - /// @param Lang Source programming language, eg. dwarf::DW_LANG_C99 - /// @param File File name - /// @param Dir Directory - /// @param Producer Identify the producer of debugging information and code. - /// Usually this is a compiler version string. - /// @param isOptimized A boolean flag which indicates whether optimization - /// is ON or not. - /// @param Flags This string lists command line options. This string is - /// directly embedded in debug info output which may be used - /// by a tool analyzing generated debugging information. - /// @param RV This indicates runtime version for languages like - /// Objective-C. - /// @param SplitName The name of the file that we'll split debug info out - /// into. - /// @param Kind The kind of debug information to generate. - /// @param DWOId The DWOId if this is a split skeleton compile unit. - /// @param EmitDebugInfo A boolean flag which indicates whether debug - /// information should be written to the final - /// output or not. When this is false, debug - /// information annotations will be present in - /// the IL but they are not written to the final - /// assembly or object file. This supports tracking - /// source location information in the back end - /// without actually changing the output (e.g., - /// when using optimization remarks). + /// \param Lang Source programming language, eg. dwarf::DW_LANG_C99 + /// \param File File name + /// \param Dir Directory + /// \param Producer Identify the producer of debugging information + /// and code. Usually this is a compiler + /// version string. + /// \param isOptimized A boolean flag which indicates whether optimization + /// is enabled or not. + /// \param Flags This string lists command line options. This + /// string is directly embedded in debug info + /// output which may be used by a tool + /// analyzing generated debugging information. + /// \param RV This indicates runtime version for languages like + /// Objective-C. + /// \param SplitName The name of the file that we'll split debug info + /// out into. + /// \param Kind The kind of debug information to generate. + /// \param DWOId The DWOId if this is a split skeleton compile unit. + /// \param EmitDebugInfo A boolean flag which indicates whether + /// debug information should be written to + /// the final output or not. When this is + /// false, debug information annotations will + /// be present in the IL but they are not + /// written to the final assembly or object + /// file. This supports tracking source + /// location information in the back end + /// without actually changing the output + /// (e.g., when using optimization remarks). DICompileUnit * createCompileUnit(unsigned Lang, StringRef File, StringRef Dir, StringRef Producer, bool isOptimized, StringRef Flags, @@ -112,155 +110,157 @@ namespace llvm { DebugEmissionKind Kind = FullDebug, uint64_t DWOId = 0, bool EmitDebugInfo = true); - /// createFile - Create a file descriptor to hold debugging information + /// Create a file descriptor to hold debugging information /// for a file. DIFile *createFile(StringRef Filename, StringRef Directory); - /// createEnumerator - Create a single enumerator value. + /// Create a single enumerator value. DIEnumerator *createEnumerator(StringRef Name, int64_t Val); - /// \brief Create a DWARF unspecified type. + /// Create a DWARF unspecified type. DIBasicType *createUnspecifiedType(StringRef Name); - /// \brief Create C++11 nullptr type. + /// Create C++11 nullptr type. DIBasicType *createNullPtrType(); - /// createBasicType - Create debugging information entry for a basic + /// Create debugging information entry for a basic /// type. - /// @param Name Type name. - /// @param SizeInBits Size of the type. - /// @param AlignInBits Type alignment. - /// @param Encoding DWARF encoding code, e.g. dwarf::DW_ATE_float. + /// \param Name Type name. + /// \param SizeInBits Size of the type. + /// \param AlignInBits Type alignment. + /// \param Encoding DWARF encoding code, e.g. dwarf::DW_ATE_float. DIBasicType *createBasicType(StringRef Name, uint64_t SizeInBits, uint64_t AlignInBits, unsigned Encoding); - /// createQualifiedType - Create debugging information entry for a qualified + /// Create debugging information entry for a qualified /// type, e.g. 'const int'. - /// @param Tag Tag identifing type, e.g. dwarf::TAG_volatile_type - /// @param FromTy Base Type. + /// \param Tag Tag identifing type, e.g. dwarf::TAG_volatile_type + /// \param FromTy Base Type. DIDerivedType *createQualifiedType(unsigned Tag, DIType *FromTy); - /// createPointerType - Create debugging information entry for a pointer. - /// @param PointeeTy Type pointed by this pointer. - /// @param SizeInBits Size. - /// @param AlignInBits Alignment. (optional) - /// @param Name Pointer type name. (optional) + /// Create debugging information entry for a pointer. + /// \param PointeeTy Type pointed by this pointer. + /// \param SizeInBits Size. + /// \param AlignInBits Alignment. (optional) + /// \param Name Pointer type name. (optional) DIDerivedType *createPointerType(DIType *PointeeTy, uint64_t SizeInBits, uint64_t AlignInBits = 0, StringRef Name = ""); - /// \brief Create debugging information entry for a pointer to member. - /// @param PointeeTy Type pointed to by this pointer. - /// @param SizeInBits Size. - /// @param AlignInBits Alignment. (optional) - /// @param Class Type for which this pointer points to members of. + /// Create debugging information entry for a pointer to member. + /// \param PointeeTy Type pointed to by this pointer. + /// \param SizeInBits Size. + /// \param AlignInBits Alignment. (optional) + /// \param Class Type for which this pointer points to members of. DIDerivedType *createMemberPointerType(DIType *PointeeTy, DIType *Class, uint64_t SizeInBits, uint64_t AlignInBits = 0); - /// createReferenceType - Create debugging information entry for a c++ + /// Create debugging information entry for a c++ /// style reference or rvalue reference type. - DIDerivedType *createReferenceType(unsigned Tag, DIType *RTy); - - /// createTypedef - Create debugging information entry for a typedef. - /// @param Ty Original type. - /// @param Name Typedef name. - /// @param File File where this type is defined. - /// @param LineNo Line number. - /// @param Context The surrounding context for the typedef. + DIDerivedType *createReferenceType(unsigned Tag, DIType *RTy, + uint64_t SizeInBits = 0, + uint64_t AlignInBits = 0); + + /// Create debugging information entry for a typedef. + /// \param Ty Original type. + /// \param Name Typedef name. + /// \param File File where this type is defined. + /// \param LineNo Line number. + /// \param Context The surrounding context for the typedef. DIDerivedType *createTypedef(DIType *Ty, StringRef Name, DIFile *File, unsigned LineNo, DIScope *Context); - /// createFriend - Create debugging information entry for a 'friend'. + /// Create debugging information entry for a 'friend'. DIDerivedType *createFriend(DIType *Ty, DIType *FriendTy); - /// createInheritance - Create debugging information entry to establish + /// Create debugging information entry to establish /// inheritance relationship between two types. - /// @param Ty Original type. - /// @param BaseTy Base type. Ty is inherits from base. - /// @param BaseOffset Base offset. - /// @param Flags Flags to describe inheritance attribute, + /// \param Ty Original type. + /// \param BaseTy Base type. Ty is inherits from base. + /// \param BaseOffset Base offset. + /// \param Flags Flags to describe inheritance attribute, /// e.g. private DIDerivedType *createInheritance(DIType *Ty, DIType *BaseTy, uint64_t BaseOffset, unsigned Flags); - /// createMemberType - Create debugging information entry for a member. - /// @param Scope Member scope. - /// @param Name Member name. - /// @param File File where this member is defined. - /// @param LineNo Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param OffsetInBits Member offset. - /// @param Flags Flags to encode member attribute, e.g. private - /// @param Ty Parent type. + /// Create debugging information entry for a member. + /// \param Scope Member scope. + /// \param Name Member name. + /// \param File File where this member is defined. + /// \param LineNo Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param OffsetInBits Member offset. + /// \param Flags Flags to encode member attribute, e.g. private + /// \param Ty Parent type. DIDerivedType *createMemberType(DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNo, uint64_t SizeInBits, uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags, DIType *Ty); - /// createStaticMemberType - Create debugging information entry for a + /// Create debugging information entry for a /// C++ static data member. - /// @param Scope Member scope. - /// @param Name Member name. - /// @param File File where this member is declared. - /// @param LineNo Line number. - /// @param Ty Type of the static member. - /// @param Flags Flags to encode member attribute, e.g. private. - /// @param Val Const initializer of the member. + /// \param Scope Member scope. + /// \param Name Member name. + /// \param File File where this member is declared. + /// \param LineNo Line number. + /// \param Ty Type of the static member. + /// \param Flags Flags to encode member attribute, e.g. private. + /// \param Val Const initializer of the member. DIDerivedType *createStaticMemberType(DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNo, DIType *Ty, unsigned Flags, llvm::Constant *Val); - /// createObjCIVar - Create debugging information entry for Objective-C + /// Create debugging information entry for Objective-C /// instance variable. - /// @param Name Member name. - /// @param File File where this member is defined. - /// @param LineNo Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param OffsetInBits Member offset. - /// @param Flags Flags to encode member attribute, e.g. private - /// @param Ty Parent type. - /// @param PropertyNode Property associated with this ivar. + /// \param Name Member name. + /// \param File File where this member is defined. + /// \param LineNo Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param OffsetInBits Member offset. + /// \param Flags Flags to encode member attribute, e.g. private + /// \param Ty Parent type. + /// \param PropertyNode Property associated with this ivar. DIDerivedType *createObjCIVar(StringRef Name, DIFile *File, unsigned LineNo, uint64_t SizeInBits, uint64_t AlignInBits, uint64_t OffsetInBits, unsigned Flags, DIType *Ty, MDNode *PropertyNode); - /// createObjCProperty - Create debugging information entry for Objective-C + /// Create debugging information entry for Objective-C /// property. - /// @param Name Property name. - /// @param File File where this property is defined. - /// @param LineNumber Line number. - /// @param GetterName Name of the Objective C property getter selector. - /// @param SetterName Name of the Objective C property setter selector. - /// @param PropertyAttributes Objective C property attributes. - /// @param Ty Type. + /// \param Name Property name. + /// \param File File where this property is defined. + /// \param LineNumber Line number. + /// \param GetterName Name of the Objective C property getter selector. + /// \param SetterName Name of the Objective C property setter selector. + /// \param PropertyAttributes Objective C property attributes. + /// \param Ty Type. DIObjCProperty *createObjCProperty(StringRef Name, DIFile *File, unsigned LineNumber, StringRef GetterName, StringRef SetterName, unsigned PropertyAttributes, DIType *Ty); - /// createClassType - Create debugging information entry for a class. - /// @param Scope Scope in which this class is defined. - /// @param Name class name. - /// @param File File where this member is defined. - /// @param LineNumber Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param OffsetInBits Member offset. - /// @param Flags Flags to encode member attribute, e.g. private - /// @param Elements class members. - /// @param VTableHolder Debug info of the base class that contains vtable + /// Create debugging information entry for a class. + /// \param Scope Scope in which this class is defined. + /// \param Name class name. + /// \param File File where this member is defined. + /// \param LineNumber Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param OffsetInBits Member offset. + /// \param Flags Flags to encode member attribute, e.g. private + /// \param Elements class members. + /// \param VTableHolder Debug info of the base class that contains vtable /// for this type. This is used in /// DW_AT_containing_type. See DWARF documentation /// for more info. - /// @param TemplateParms Template type parameters. - /// @param UniqueIdentifier A unique identifier for the class. + /// \param TemplateParms Template type parameters. + /// \param UniqueIdentifier A unique identifier for the class. DICompositeType *createClassType(DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber, uint64_t SizeInBits, uint64_t AlignInBits, @@ -270,34 +270,34 @@ namespace llvm { MDNode *TemplateParms = nullptr, StringRef UniqueIdentifier = ""); - /// createStructType - Create debugging information entry for a struct. - /// @param Scope Scope in which this struct is defined. - /// @param Name Struct name. - /// @param File File where this member is defined. - /// @param LineNumber Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param Flags Flags to encode member attribute, e.g. private - /// @param Elements Struct elements. - /// @param RunTimeLang Optional parameter, Objective-C runtime version. - /// @param UniqueIdentifier A unique identifier for the struct. + /// Create debugging information entry for a struct. + /// \param Scope Scope in which this struct is defined. + /// \param Name Struct name. + /// \param File File where this member is defined. + /// \param LineNumber Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param Flags Flags to encode member attribute, e.g. private + /// \param Elements Struct elements. + /// \param RunTimeLang Optional parameter, Objective-C runtime version. + /// \param UniqueIdentifier A unique identifier for the struct. DICompositeType *createStructType( DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber, uint64_t SizeInBits, uint64_t AlignInBits, unsigned Flags, DIType *DerivedFrom, DINodeArray Elements, unsigned RunTimeLang = 0, DIType *VTableHolder = nullptr, StringRef UniqueIdentifier = ""); - /// createUnionType - Create debugging information entry for an union. - /// @param Scope Scope in which this union is defined. - /// @param Name Union name. - /// @param File File where this member is defined. - /// @param LineNumber Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param Flags Flags to encode member attribute, e.g. private - /// @param Elements Union elements. - /// @param RunTimeLang Optional parameter, Objective-C runtime version. - /// @param UniqueIdentifier A unique identifier for the union. + /// Create debugging information entry for an union. + /// \param Scope Scope in which this union is defined. + /// \param Name Union name. + /// \param File File where this member is defined. + /// \param LineNumber Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param Flags Flags to encode member attribute, e.g. private + /// \param Elements Union elements. + /// \param RunTimeLang Optional parameter, Objective-C runtime version. + /// \param UniqueIdentifier A unique identifier for the union. DICompositeType *createUnionType(DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber, uint64_t SizeInBits, uint64_t AlignInBits, @@ -305,95 +305,100 @@ namespace llvm { unsigned RunTimeLang = 0, StringRef UniqueIdentifier = ""); - /// createTemplateTypeParameter - Create debugging information for template + /// Create debugging information for template /// type parameter. - /// @param Scope Scope in which this type is defined. - /// @param Name Type parameter name. - /// @param Ty Parameter type. + /// \param Scope Scope in which this type is defined. + /// \param Name Type parameter name. + /// \param Ty Parameter type. DITemplateTypeParameter * createTemplateTypeParameter(DIScope *Scope, StringRef Name, DIType *Ty); - /// createTemplateValueParameter - Create debugging information for template + /// Create debugging information for template /// value parameter. - /// @param Scope Scope in which this type is defined. - /// @param Name Value parameter name. - /// @param Ty Parameter type. - /// @param Val Constant parameter value. + /// \param Scope Scope in which this type is defined. + /// \param Name Value parameter name. + /// \param Ty Parameter type. + /// \param Val Constant parameter value. DITemplateValueParameter *createTemplateValueParameter(DIScope *Scope, StringRef Name, DIType *Ty, Constant *Val); - /// \brief Create debugging information for a template template parameter. - /// @param Scope Scope in which this type is defined. - /// @param Name Value parameter name. - /// @param Ty Parameter type. - /// @param Val The fully qualified name of the template. + /// Create debugging information for a template template parameter. + /// \param Scope Scope in which this type is defined. + /// \param Name Value parameter name. + /// \param Ty Parameter type. + /// \param Val The fully qualified name of the template. DITemplateValueParameter *createTemplateTemplateParameter(DIScope *Scope, StringRef Name, DIType *Ty, StringRef Val); - /// \brief Create debugging information for a template parameter pack. - /// @param Scope Scope in which this type is defined. - /// @param Name Value parameter name. - /// @param Ty Parameter type. - /// @param Val An array of types in the pack. + /// Create debugging information for a template parameter pack. + /// \param Scope Scope in which this type is defined. + /// \param Name Value parameter name. + /// \param Ty Parameter type. + /// \param Val An array of types in the pack. DITemplateValueParameter *createTemplateParameterPack(DIScope *Scope, StringRef Name, DIType *Ty, DINodeArray Val); - /// createArrayType - Create debugging information entry for an array. - /// @param Size Array size. - /// @param AlignInBits Alignment. - /// @param Ty Element type. - /// @param Subscripts Subscripts. + /// Create debugging information entry for an array. + /// \param Size Array size. + /// \param AlignInBits Alignment. + /// \param Ty Element type. + /// \param Subscripts Subscripts. DICompositeType *createArrayType(uint64_t Size, uint64_t AlignInBits, DIType *Ty, DINodeArray Subscripts); - /// createVectorType - Create debugging information entry for a vector type. - /// @param Size Array size. - /// @param AlignInBits Alignment. - /// @param Ty Element type. - /// @param Subscripts Subscripts. + /// Create debugging information entry for a vector type. + /// \param Size Array size. + /// \param AlignInBits Alignment. + /// \param Ty Element type. + /// \param Subscripts Subscripts. DICompositeType *createVectorType(uint64_t Size, uint64_t AlignInBits, DIType *Ty, DINodeArray Subscripts); - /// createEnumerationType - Create debugging information entry for an + /// Create debugging information entry for an /// enumeration. - /// @param Scope Scope in which this enumeration is defined. - /// @param Name Union name. - /// @param File File where this member is defined. - /// @param LineNumber Line number. - /// @param SizeInBits Member size. - /// @param AlignInBits Member alignment. - /// @param Elements Enumeration elements. - /// @param UnderlyingType Underlying type of a C++11/ObjC fixed enum. - /// @param UniqueIdentifier A unique identifier for the enum. + /// \param Scope Scope in which this enumeration is defined. + /// \param Name Union name. + /// \param File File where this member is defined. + /// \param LineNumber Line number. + /// \param SizeInBits Member size. + /// \param AlignInBits Member alignment. + /// \param Elements Enumeration elements. + /// \param UnderlyingType Underlying type of a C++11/ObjC fixed enum. + /// \param UniqueIdentifier A unique identifier for the enum. DICompositeType *createEnumerationType( DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNumber, uint64_t SizeInBits, uint64_t AlignInBits, DINodeArray Elements, DIType *UnderlyingType, StringRef UniqueIdentifier = ""); - /// createSubroutineType - Create subroutine type. - /// @param File File in which this subroutine is defined. - /// @param ParameterTypes An array of subroutine parameter types. This + /// Create subroutine type. + /// \param ParameterTypes An array of subroutine parameter types. This /// includes return type at 0th index. - /// @param Flags E.g.: LValueReference. + /// \param Flags E.g.: LValueReference. /// These flags are used to emit dwarf attributes. - DISubroutineType *createSubroutineType(DIFile *File, - DITypeRefArray ParameterTypes, + DISubroutineType *createSubroutineType(DITypeRefArray ParameterTypes, unsigned Flags = 0); - /// createArtificialType - Create a new DIType* with "artificial" flag set. + /// Create an external type reference. + /// \param Tag Dwarf TAG. + /// \param File File in which the type is defined. + /// \param UniqueIdentifier A unique identifier for the type. + DICompositeType *createExternalTypeRef(unsigned Tag, DIFile *File, + StringRef UniqueIdentifier); + + /// Create a new DIType* with "artificial" flag set. DIType *createArtificialType(DIType *Ty); - /// createObjectPointerType - Create a new DIType* with the "object pointer" + /// Create a new DIType* with the "object pointer" /// flag set. DIType *createObjectPointerType(DIType *Ty); - /// \brief Create a permanent forward-declared type. + /// Create a permanent forward-declared type. DICompositeType *createForwardDecl(unsigned Tag, StringRef Name, DIScope *Scope, DIFile *F, unsigned Line, unsigned RuntimeLang = 0, @@ -401,43 +406,43 @@ namespace llvm { uint64_t AlignInBits = 0, StringRef UniqueIdentifier = ""); - /// \brief Create a temporary forward-declared type. + /// Create a temporary forward-declared type. DICompositeType *createReplaceableCompositeType( unsigned Tag, StringRef Name, DIScope *Scope, DIFile *F, unsigned Line, unsigned RuntimeLang = 0, uint64_t SizeInBits = 0, uint64_t AlignInBits = 0, unsigned Flags = DINode::FlagFwdDecl, StringRef UniqueIdentifier = ""); - /// retainType - Retain DIType* in a module even if it is not referenced + /// Retain DIType* in a module even if it is not referenced /// through debug info anchors. void retainType(DIType *T); - /// createUnspecifiedParameter - Create unspecified parameter type + /// Create unspecified parameter type /// for a subroutine type. DIBasicType *createUnspecifiedParameter(); - /// getOrCreateArray - Get a DINodeArray, create one if required. + /// Get a DINodeArray, create one if required. DINodeArray getOrCreateArray(ArrayRef Elements); - /// getOrCreateTypeArray - Get a DITypeRefArray, create one if required. + /// Get a DITypeRefArray, create one if required. DITypeRefArray getOrCreateTypeArray(ArrayRef Elements); - /// getOrCreateSubrange - Create a descriptor for a value range. This + /// Create a descriptor for a value range. This /// implicitly uniques the values returned. DISubrange *getOrCreateSubrange(int64_t Lo, int64_t Count); - /// createGlobalVariable - Create a new descriptor for the specified + /// Create a new descriptor for the specified /// variable. - /// @param Context Variable scope. - /// @param Name Name of the variable. - /// @param LinkageName Mangled name of the variable. - /// @param File File where this variable is defined. - /// @param LineNo Line number. - /// @param Ty Variable Type. - /// @param isLocalToUnit Boolean flag indicate whether this variable is + /// \param Context Variable scope. + /// \param Name Name of the variable. + /// \param LinkageName Mangled name of the variable. + /// \param File File where this variable is defined. + /// \param LineNo Line number. + /// \param Ty Variable Type. + /// \param isLocalToUnit Boolean flag indicate whether this variable is /// externally visible or not. - /// @param Val llvm::Value of the variable. - /// @param Decl Reference to the corresponding declaration. + /// \param Val llvm::Value of the variable. + /// \param Decl Reference to the corresponding declaration. DIGlobalVariable *createGlobalVariable(DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *File, unsigned LineNo, DIType *Ty, @@ -445,251 +450,261 @@ namespace llvm { llvm::Constant *Val, MDNode *Decl = nullptr); - /// createTempGlobalVariableFwdDecl - Identical to createGlobalVariable + /// Identical to createGlobalVariable /// except that the resulting DbgNode is temporary and meant to be RAUWed. DIGlobalVariable *createTempGlobalVariableFwdDecl( DIScope *Context, StringRef Name, StringRef LinkageName, DIFile *File, unsigned LineNo, DIType *Ty, bool isLocalToUnit, llvm::Constant *Val, MDNode *Decl = nullptr); - /// createLocalVariable - Create a new descriptor for the specified - /// local variable. - /// @param Tag Dwarf TAG. Usually DW_TAG_auto_variable or - /// DW_TAG_arg_variable. - /// @param Scope Variable scope. - /// @param Name Variable name. - /// @param File File where this variable is defined. - /// @param LineNo Line number. - /// @param Ty Variable Type - /// @param AlwaysPreserve Boolean. Set to true if debug info for this - /// variable should be preserved in optimized build. - /// @param Flags Flags, e.g. artificial variable. - /// @param ArgNo If this variable is an argument then this argument's - /// number. 1 indicates 1st argument. - DILocalVariable *createLocalVariable(unsigned Tag, DIScope *Scope, - StringRef Name, DIFile *File, - unsigned LineNo, DIType *Ty, + /// Create a new descriptor for an auto variable. This is a local variable + /// that is not a subprogram parameter. + /// + /// \c Scope must be a \a DILocalScope, and thus its scope chain eventually + /// leads to a \a DISubprogram. + /// + /// If \c AlwaysPreserve, this variable will be referenced from its + /// containing subprogram, and will survive some optimizations. + DILocalVariable *createAutoVariable(DIScope *Scope, StringRef Name, + DIFile *File, unsigned LineNo, + DIType *Ty, bool AlwaysPreserve = false, - unsigned Flags = 0, - unsigned ArgNo = 0); + unsigned Flags = 0); - /// createExpression - Create a new descriptor for the specified + /// Create a new descriptor for a parameter variable. + /// + /// \c Scope must be a \a DILocalScope, and thus its scope chain eventually + /// leads to a \a DISubprogram. + /// + /// \c ArgNo is the index (starting from \c 1) of this variable in the + /// subprogram parameters. \c ArgNo should not conflict with other + /// parameters of the same subprogram. + /// + /// If \c AlwaysPreserve, this variable will be referenced from its + /// containing subprogram, and will survive some optimizations. + DILocalVariable *createParameterVariable(DIScope *Scope, StringRef Name, + unsigned ArgNo, DIFile *File, + unsigned LineNo, DIType *Ty, + bool AlwaysPreserve = false, + unsigned Flags = 0); + + /// Create a new descriptor for the specified /// variable which has a complex address expression for its address. - /// @param Addr An array of complex address operations. + /// \param Addr An array of complex address operations. DIExpression *createExpression(ArrayRef Addr = None); DIExpression *createExpression(ArrayRef Addr); - /// createBitPieceExpression - Create a descriptor to describe one part + /// Create a descriptor to describe one part /// of aggregate variable that is fragmented across multiple Values. /// - /// @param OffsetInBits Offset of the piece in bits. - /// @param SizeInBits Size of the piece in bits. + /// \param OffsetInBits Offset of the piece in bits. + /// \param SizeInBits Size of the piece in bits. DIExpression *createBitPieceExpression(unsigned OffsetInBits, unsigned SizeInBits); - /// createFunction - Create a new descriptor for the specified subprogram. + /// Create a new descriptor for the specified subprogram. /// See comments in DISubprogram* for descriptions of these fields. - /// @param Scope Function scope. - /// @param Name Function name. - /// @param LinkageName Mangled function name. - /// @param File File where this variable is defined. - /// @param LineNo Line number. - /// @param Ty Function type. - /// @param isLocalToUnit True if this function is not externally visible. - /// @param isDefinition True if this is a function definition. - /// @param ScopeLine Set to the beginning of the scope this starts - /// @param Flags e.g. is this function prototyped or not. + /// \param Scope Function scope. + /// \param Name Function name. + /// \param LinkageName Mangled function name. + /// \param File File where this variable is defined. + /// \param LineNo Line number. + /// \param Ty Function type. + /// \param isLocalToUnit True if this function is not externally visible. + /// \param isDefinition True if this is a function definition. + /// \param ScopeLine Set to the beginning of the scope this starts + /// \param Flags e.g. is this function prototyped or not. /// These flags are used to emit dwarf attributes. - /// @param isOptimized True if optimization is ON. - /// @param Fn llvm::Function pointer. - /// @param TParam Function template parameters. - DISubprogram * - createFunction(DIScope *Scope, StringRef Name, StringRef LinkageName, - DIFile *File, unsigned LineNo, DISubroutineType *Ty, - bool isLocalToUnit, bool isDefinition, unsigned ScopeLine, - unsigned Flags = 0, bool isOptimized = false, - Function *Fn = nullptr, MDNode *TParam = nullptr, - MDNode *Decl = nullptr); - - /// createTempFunctionFwdDecl - Identical to createFunction, + /// \param isOptimized True if optimization is ON. + /// \param TParams Function template parameters. + DISubprogram *createFunction(DIScope *Scope, StringRef Name, + StringRef LinkageName, DIFile *File, + unsigned LineNo, DISubroutineType *Ty, + bool isLocalToUnit, bool isDefinition, + unsigned ScopeLine, unsigned Flags = 0, + bool isOptimized = false, + DITemplateParameterArray TParams = nullptr, + DISubprogram *Decl = nullptr); + + /// Identical to createFunction, /// except that the resulting DbgNode is meant to be RAUWed. DISubprogram *createTempFunctionFwdDecl( DIScope *Scope, StringRef Name, StringRef LinkageName, DIFile *File, unsigned LineNo, DISubroutineType *Ty, bool isLocalToUnit, bool isDefinition, unsigned ScopeLine, unsigned Flags = 0, - bool isOptimized = false, Function *Fn = nullptr, - MDNode *TParam = nullptr, MDNode *Decl = nullptr); + bool isOptimized = false, DITemplateParameterArray TParams = nullptr, + DISubprogram *Decl = nullptr); /// FIXME: this is added for dragonegg. Once we update dragonegg /// to call resolve function, this will be removed. - DISubprogram * - createFunction(DIScopeRef Scope, StringRef Name, StringRef LinkageName, - DIFile *File, unsigned LineNo, DISubroutineType *Ty, - bool isLocalToUnit, bool isDefinition, unsigned ScopeLine, - unsigned Flags = 0, bool isOptimized = false, - Function *Fn = nullptr, MDNode *TParam = nullptr, - MDNode *Decl = nullptr); - - /// createMethod - Create a new descriptor for the specified C++ method. - /// See comments in DISubprogram* for descriptions of these fields. - /// @param Scope Function scope. - /// @param Name Function name. - /// @param LinkageName Mangled function name. - /// @param File File where this variable is defined. - /// @param LineNo Line number. - /// @param Ty Function type. - /// @param isLocalToUnit True if this function is not externally visible.. - /// @param isDefinition True if this is a function definition. - /// @param Virtuality Attributes describing virtualness. e.g. pure + DISubprogram *createFunction(DIScopeRef Scope, StringRef Name, + StringRef LinkageName, DIFile *File, + unsigned LineNo, DISubroutineType *Ty, + bool isLocalToUnit, bool isDefinition, + unsigned ScopeLine, unsigned Flags = 0, + bool isOptimized = false, + DITemplateParameterArray TParams = nullptr, + DISubprogram *Decl = nullptr); + + /// Create a new descriptor for the specified C++ method. + /// See comments in \a DISubprogram* for descriptions of these fields. + /// \param Scope Function scope. + /// \param Name Function name. + /// \param LinkageName Mangled function name. + /// \param File File where this variable is defined. + /// \param LineNo Line number. + /// \param Ty Function type. + /// \param isLocalToUnit True if this function is not externally visible.. + /// \param isDefinition True if this is a function definition. + /// \param Virtuality Attributes describing virtualness. e.g. pure /// virtual function. - /// @param VTableIndex Index no of this method in virtual table. - /// @param VTableHolder Type that holds vtable. - /// @param Flags e.g. is this function prototyped or not. + /// \param VTableIndex Index no of this method in virtual table. + /// \param VTableHolder Type that holds vtable. + /// \param Flags e.g. is this function prototyped or not. /// This flags are used to emit dwarf attributes. - /// @param isOptimized True if optimization is ON. - /// @param Fn llvm::Function pointer. - /// @param TParam Function template parameters. + /// \param isOptimized True if optimization is ON. + /// \param TParams Function template parameters. DISubprogram * createMethod(DIScope *Scope, StringRef Name, StringRef LinkageName, DIFile *File, unsigned LineNo, DISubroutineType *Ty, bool isLocalToUnit, bool isDefinition, unsigned Virtuality = 0, unsigned VTableIndex = 0, DIType *VTableHolder = nullptr, unsigned Flags = 0, bool isOptimized = false, - Function *Fn = nullptr, MDNode *TParam = nullptr); - - /// createNameSpace - This creates new descriptor for a namespace - /// with the specified parent scope. - /// @param Scope Namespace scope - /// @param Name Name of this namespace - /// @param File Source file - /// @param LineNo Line number + DITemplateParameterArray TParams = nullptr); + + /// This creates new descriptor for a namespace with the specified + /// parent scope. + /// \param Scope Namespace scope + /// \param Name Name of this namespace + /// \param File Source file + /// \param LineNo Line number DINamespace *createNameSpace(DIScope *Scope, StringRef Name, DIFile *File, unsigned LineNo); - /// createModule - This creates new descriptor for a module - /// with the specified parent scope. - /// @param Scope Parent scope - /// @param Name Name of this module - /// @param ConfigurationMacros + /// This creates new descriptor for a module with the specified + /// parent scope. + /// \param Scope Parent scope + /// \param Name Name of this module + /// \param ConfigurationMacros /// A space-separated shell-quoted list of -D macro /// definitions as they would appear on a command line. - /// @param IncludePath The path to the module map file. - /// @param ISysRoot The clang system root (value of -isysroot). + /// \param IncludePath The path to the module map file. + /// \param ISysRoot The clang system root (value of -isysroot). DIModule *createModule(DIScope *Scope, StringRef Name, StringRef ConfigurationMacros, StringRef IncludePath, StringRef ISysRoot); - /// createLexicalBlockFile - This creates a descriptor for a lexical - /// block with a new file attached. This merely extends the existing + /// This creates a descriptor for a lexical block with a new file + /// attached. This merely extends the existing /// lexical block as it crosses a file. - /// @param Scope Lexical block. - /// @param File Source file. - /// @param Discriminator DWARF path discriminator value. + /// \param Scope Lexical block. + /// \param File Source file. + /// \param Discriminator DWARF path discriminator value. DILexicalBlockFile *createLexicalBlockFile(DIScope *Scope, DIFile *File, unsigned Discriminator = 0); - /// createLexicalBlock - This creates a descriptor for a lexical block - /// with the specified parent context. - /// @param Scope Parent lexical scope. - /// @param File Source file. - /// @param Line Line number. - /// @param Col Column number. + /// This creates a descriptor for a lexical block with the + /// specified parent context. + /// \param Scope Parent lexical scope. + /// \param File Source file. + /// \param Line Line number. + /// \param Col Column number. DILexicalBlock *createLexicalBlock(DIScope *Scope, DIFile *File, unsigned Line, unsigned Col); - /// \brief Create a descriptor for an imported module. - /// @param Context The scope this module is imported into - /// @param NS The namespace being imported here - /// @param Line Line number + /// Create a descriptor for an imported module. + /// \param Context The scope this module is imported into + /// \param NS The namespace being imported here + /// \param Line Line number DIImportedEntity *createImportedModule(DIScope *Context, DINamespace *NS, unsigned Line); - /// \brief Create a descriptor for an imported module. - /// @param Context The scope this module is imported into - /// @param NS An aliased namespace - /// @param Line Line number + /// Create a descriptor for an imported module. + /// \param Context The scope this module is imported into + /// \param NS An aliased namespace + /// \param Line Line number DIImportedEntity *createImportedModule(DIScope *Context, DIImportedEntity *NS, unsigned Line); - /// \brief Create a descriptor for an imported module. - /// @param Context The scope this module is imported into - /// @param M The module being imported here - /// @param Line Line number + /// Create a descriptor for an imported module. + /// \param Context The scope this module is imported into + /// \param M The module being imported here + /// \param Line Line number DIImportedEntity *createImportedModule(DIScope *Context, DIModule *M, unsigned Line); - /// \brief Create a descriptor for an imported function. - /// @param Context The scope this module is imported into - /// @param Decl The declaration (or definition) of a function, type, or + /// Create a descriptor for an imported function. + /// \param Context The scope this module is imported into + /// \param Decl The declaration (or definition) of a function, type, or /// variable - /// @param Line Line number + /// \param Line Line number DIImportedEntity *createImportedDeclaration(DIScope *Context, DINode *Decl, unsigned Line, StringRef Name = ""); - /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call. - /// @param Storage llvm::Value of the variable - /// @param VarInfo Variable's debug info descriptor. - /// @param Expr A complex location expression. - /// @param DL Debug info location. - /// @param InsertAtEnd Location for the new intrinsic. + /// Insert a new llvm.dbg.declare intrinsic call. + /// \param Storage llvm::Value of the variable + /// \param VarInfo Variable's debug info descriptor. + /// \param Expr A complex location expression. + /// \param DL Debug info location. + /// \param InsertAtEnd Location for the new intrinsic. Instruction *insertDeclare(llvm::Value *Storage, DILocalVariable *VarInfo, DIExpression *Expr, const DILocation *DL, BasicBlock *InsertAtEnd); - /// insertDeclare - Insert a new llvm.dbg.declare intrinsic call. - /// @param Storage llvm::Value of the variable - /// @param VarInfo Variable's debug info descriptor. - /// @param Expr A complex location expression. - /// @param DL Debug info location. - /// @param InsertBefore Location for the new intrinsic. + /// Insert a new llvm.dbg.declare intrinsic call. + /// \param Storage llvm::Value of the variable + /// \param VarInfo Variable's debug info descriptor. + /// \param Expr A complex location expression. + /// \param DL Debug info location. + /// \param InsertBefore Location for the new intrinsic. Instruction *insertDeclare(llvm::Value *Storage, DILocalVariable *VarInfo, DIExpression *Expr, const DILocation *DL, Instruction *InsertBefore); - /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call. - /// @param Val llvm::Value of the variable - /// @param Offset Offset - /// @param VarInfo Variable's debug info descriptor. - /// @param Expr A complex location expression. - /// @param DL Debug info location. - /// @param InsertAtEnd Location for the new intrinsic. + /// Insert a new llvm.dbg.value intrinsic call. + /// \param Val llvm::Value of the variable + /// \param Offset Offset + /// \param VarInfo Variable's debug info descriptor. + /// \param Expr A complex location expression. + /// \param DL Debug info location. + /// \param InsertAtEnd Location for the new intrinsic. Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset, DILocalVariable *VarInfo, DIExpression *Expr, const DILocation *DL, BasicBlock *InsertAtEnd); - /// insertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call. - /// @param Val llvm::Value of the variable - /// @param Offset Offset - /// @param VarInfo Variable's debug info descriptor. - /// @param Expr A complex location expression. - /// @param DL Debug info location. - /// @param InsertBefore Location for the new intrinsic. + /// Insert a new llvm.dbg.value intrinsic call. + /// \param Val llvm::Value of the variable + /// \param Offset Offset + /// \param VarInfo Variable's debug info descriptor. + /// \param Expr A complex location expression. + /// \param DL Debug info location. + /// \param InsertBefore Location for the new intrinsic. Instruction *insertDbgValueIntrinsic(llvm::Value *Val, uint64_t Offset, DILocalVariable *VarInfo, DIExpression *Expr, const DILocation *DL, Instruction *InsertBefore); - /// \brief Replace the vtable holder in the given composite type. + /// Replace the vtable holder in the given composite type. /// /// If this creates a self reference, it may orphan some unresolved cycles /// in the operands of \c T, so \a DIBuilder needs to track that. void replaceVTableHolder(DICompositeType *&T, DICompositeType *VTableHolder); - /// \brief Replace arrays on a composite type. + /// Replace arrays on a composite type. /// /// If \c T is resolved, but the arrays aren't -- which can happen if \c T /// has a self-reference -- \a DIBuilder needs to track the array to /// resolve cycles. void replaceArrays(DICompositeType *&T, DINodeArray Elements, - DINodeArray TParems = DINodeArray()); + DINodeArray TParams = DINodeArray()); - /// \brief Replace a temporary node. + /// Replace a temporary node. /// /// Call \a MDNode::replaceAllUsesWith() on \c N, replacing it with \c /// Replacement.