X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FModule.h;h=92109024c0061dca7a18340f893f7bf00abb8cc1;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=3496e71616bda969ac9448ec99e4f7d70afd4216;hpb=e0fbb497ee44f86ec108e4ff8787a848c6ee8655;p=oota-llvm.git diff --git a/include/llvm/Module.h b/include/llvm/Module.h index 3496e71616b..92109024c00 100644 --- a/include/llvm/Module.h +++ b/include/llvm/Module.h @@ -1,184 +1,581 @@ -//===-- llvm/Module.h - C++ class to represent a VM module -------*- C++ -*--=// +//===-- llvm/Module.h - C++ class to represent a VM module ------*- C++ -*-===// // -// This file contains the declarations for the Module class that is used to -// maintain all the information related to a VM module. +// The LLVM Compiler Infrastructure // -// A module also maintains a GlobalValRefMap object that is used to hold all -// constant references to global variables in the module. When a global -// variable is destroyed, it should have no entries in the GlobalValueRefMap. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +/// @file +/// Module.h This file contains the declarations for the Module class. // //===----------------------------------------------------------------------===// #ifndef LLVM_MODULE_H #define LLVM_MODULE_H +#include "llvm/ADT/OwningPtr.h" #include "llvm/Function.h" +#include "llvm/GlobalAlias.h" #include "llvm/GlobalVariable.h" -class GlobalVariable; -class GlobalValueRefMap; // Used by ConstantVals.cpp -class ConstantPointerRef; +#include "llvm/Metadata.h" +#include "llvm/Support/DataTypes.h" + +namespace llvm { + class FunctionType; -class SymbolTable; +class GVMaterializer; +class LLVMContext; +class StructType; +template struct DenseMapInfo; +template class DenseMap; template<> struct ilist_traits - : public SymbolTableListTraits { - // createNode is used to create a node that marks the end of the list... - static Function *createNode(); - static iplist &getList(Module *M); -}; -template<> struct ilist_traits - : public SymbolTableListTraits { - // createNode is used to create a node that marks the end of the list... - static GlobalVariable *createNode(); - static iplist &getList(Module *M); -}; + : public SymbolTableListTraits { -class Module : public Annotable { -public: - typedef iplist GlobalListType; - typedef iplist FunctionListType; + // createSentinel is used to get hold of the node that marks the end of the + // list... (same trick used here as in ilist_traits) + Function *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(Function*) {} - // Global Variable iterators... - typedef GlobalListType::iterator giterator; - typedef GlobalListType::const_iterator const_giterator; - typedef std::reverse_iterator reverse_giterator; - typedef std::reverse_iterator const_reverse_giterator; - - // Function iterators... - typedef FunctionListType::iterator iterator; - typedef FunctionListType::const_iterator const_iterator; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; + Function *provideInitialHead() const { return createSentinel(); } + Function *ensureHead(Function*) const { return createSentinel(); } + static void noteHead(Function*, Function*) {} private: - GlobalListType GlobalList; // The Global Variables - FunctionListType FunctionList; // The Functions + mutable ilist_node Sentinel; +}; - GlobalValueRefMap *GVRefMap; +template<> struct ilist_traits + : public SymbolTableListTraits { + // createSentinel is used to create a node that marks the end of the list. + GlobalVariable *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(GlobalVariable*) {} + + GlobalVariable *provideInitialHead() const { return createSentinel(); } + GlobalVariable *ensureHead(GlobalVariable*) const { return createSentinel(); } + static void noteHead(GlobalVariable*, GlobalVariable*) {} +private: + mutable ilist_node Sentinel; +}; - SymbolTable *SymTab; +template<> struct ilist_traits + : public SymbolTableListTraits { + // createSentinel is used to create a node that marks the end of the list. + GlobalAlias *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(GlobalAlias*) {} + + GlobalAlias *provideInitialHead() const { return createSentinel(); } + GlobalAlias *ensureHead(GlobalAlias*) const { return createSentinel(); } + static void noteHead(GlobalAlias*, GlobalAlias*) {} +private: + mutable ilist_node Sentinel; +}; - // Accessor for the underlying GlobalValRefMap... only through the - // ConstantPointerRef class... - friend class ConstantPointerRef; - void mutateConstantPointerRef(GlobalValue *OldGV, GlobalValue *NewGV); - ConstantPointerRef *getConstantPointerRef(GlobalValue *GV); - void destroyConstantPointerRef(ConstantPointerRef *CPR); +template<> struct ilist_traits + : public ilist_default_traits { + // createSentinel is used to get hold of a node that marks the end of + // the list... + NamedMDNode *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(NamedMDNode*) {} + + NamedMDNode *provideInitialHead() const { return createSentinel(); } + NamedMDNode *ensureHead(NamedMDNode*) const { return createSentinel(); } + static void noteHead(NamedMDNode*, NamedMDNode*) {} + void addNodeToList(NamedMDNode *) {} + void removeNodeFromList(NamedMDNode *) {} +private: + mutable ilist_node Sentinel; +}; +/// A Module instance is used to store all the information related to an +/// LLVM module. Modules are the top level container of all other LLVM +/// Intermediate Representation (IR) objects. Each module directly contains a +/// list of globals variables, a list of functions, a list of libraries (or +/// other modules) this module depends on, a symbol table, and various data +/// about the target's characteristics. +/// +/// A module maintains a GlobalValRefMap object that is used to hold all +/// constant references to global variables in the module. When a global +/// variable is destroyed, it should have no entries in the GlobalValueRefMap. +/// @brief The main container class for the LLVM Intermediate Representation. +class Module { +/// @name Types And Enumerations +/// @{ +public: + /// The type for the list of global variables. + typedef iplist GlobalListType; + /// The type for the list of functions. + typedef iplist FunctionListType; + /// The type for the list of aliases. + typedef iplist AliasListType; + /// The type for the list of named metadata. + typedef ilist NamedMDListType; + + /// The Global Variable iterator. + typedef GlobalListType::iterator global_iterator; + /// The Global Variable constant iterator. + typedef GlobalListType::const_iterator const_global_iterator; + + /// The Function iterators. + typedef FunctionListType::iterator iterator; + /// The Function constant iterator + typedef FunctionListType::const_iterator const_iterator; + + /// The Global Alias iterators. + typedef AliasListType::iterator alias_iterator; + /// The Global Alias constant iterator + typedef AliasListType::const_iterator const_alias_iterator; + + /// The named metadata iterators. + typedef NamedMDListType::iterator named_metadata_iterator; + /// The named metadata constant interators. + typedef NamedMDListType::const_iterator const_named_metadata_iterator; + + /// An enumeration for describing the endianess of the target machine. + enum Endianness { AnyEndianness, LittleEndian, BigEndian }; + + /// An enumeration for describing the size of a pointer on the target machine. + enum PointerSize { AnyPointerSize, Pointer32, Pointer64 }; + + /// An enumeration for the supported behaviors of module flags. The following + /// module flags behavior values are supported: + /// + /// Value Behavior + /// ----- -------- + /// 1 Error + /// Emits an error if two values disagree. + /// + /// 2 Warning + /// Emits a warning if two values disagree. + /// + /// 3 Require + /// Emits an error when the specified value is not present + /// or doesn't have the specified value. It is an error for + /// two (or more) llvm.module.flags with the same ID to have + /// the Require behavior but different values. There may be + /// multiple Require flags per ID. + /// + /// 4 Override + /// Uses the specified value if the two values disagree. It + /// is an error for two (or more) llvm.module.flags with the + /// same ID to have the Override behavior but different + /// values. + enum ModFlagBehavior { Error = 1, Warning = 2, Require = 3, Override = 4 }; + + struct ModuleFlagEntry { + ModFlagBehavior Behavior; + MDString *Key; + Value *Val; + ModuleFlagEntry(ModFlagBehavior B, MDString *K, Value *V) + : Behavior(B), Key(K), Val(V) {} + }; + +/// @} +/// @name Member Variables +/// @{ +private: + LLVMContext &Context; ///< The LLVMContext from which types and + ///< constants are allocated. + GlobalListType GlobalList; ///< The Global Variables in the module + FunctionListType FunctionList; ///< The Functions in the module + AliasListType AliasList; ///< The Aliases in the module + NamedMDListType NamedMDList; ///< The named metadata in the module + std::string GlobalScopeAsm; ///< Inline Asm at global scope. + ValueSymbolTable *ValSymTab; ///< Symbol table for values + OwningPtr Materializer; ///< Used to materialize GlobalValues + std::string ModuleID; ///< Human readable identifier for the module + std::string TargetTriple; ///< Platform target triple Module compiled on + std::string DataLayout; ///< Target data description + void *NamedMDSymTab; ///< NamedMDNode names. + + friend class Constant; + +/// @} +/// @name Constructors +/// @{ public: - Module(); + /// The Module constructor. Note that there is no default constructor. You + /// must provide a name for the module upon construction. + explicit Module(StringRef ModuleID, LLVMContext& C); + /// The module destructor. This will dropAllReferences. ~Module(); - // getOrInsertFunction - Look up the specified function in the module symbol - // table. If it does not exist, add a prototype for the function and return - // it. - Function *getOrInsertFunction(const std::string &Name, const FunctionType *T); - - // getFunction - Look up the specified function in the module symbol table. - // If it does not exist, return null. - // - Function *getFunction(const std::string &Name, const FunctionType *Ty); +/// @} +/// @name Module Level Accessors +/// @{ + + /// Get the module identifier which is, essentially, the name of the module. + /// @returns the module identifier as a string + const std::string &getModuleIdentifier() const { return ModuleID; } + + /// Get the data layout string for the module's target platform. This encodes + /// the type sizes and alignments expected by this module. + /// @returns the data layout as a string + const std::string &getDataLayout() const { return DataLayout; } + + /// Get the target triple which is a string describing the target host. + /// @returns a string containing the target triple. + const std::string &getTargetTriple() const { return TargetTriple; } + + /// Get the target endian information. + /// @returns Endianess - an enumeration for the endianess of the target + Endianness getEndianness() const; + + /// Get the target pointer size. + /// @returns PointerSize - an enumeration for the size of the target's pointer + PointerSize getPointerSize() const; + + /// Get the global data context. + /// @returns LLVMContext - a container for LLVM's global information + LLVMContext &getContext() const { return Context; } + + /// Get any module-scope inline assembly blocks. + /// @returns a string containing the module-scope inline assembly blocks. + const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; } + +/// @} +/// @name Module Level Mutators +/// @{ + + /// Set the module identifier. + void setModuleIdentifier(StringRef ID) { ModuleID = ID; } + + /// Set the data layout + void setDataLayout(StringRef DL) { DataLayout = DL; } + + /// Set the target triple. + void setTargetTriple(StringRef T) { TargetTriple = T; } + + /// Set the module-scope inline assembly blocks. + void setModuleInlineAsm(StringRef Asm) { + GlobalScopeAsm = Asm; + if (!GlobalScopeAsm.empty() && + GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n') + GlobalScopeAsm += '\n'; + } + + /// Append to the module-scope inline assembly blocks, automatically inserting + /// a separating newline if necessary. + void appendModuleInlineAsm(StringRef Asm) { + GlobalScopeAsm += Asm; + if (!GlobalScopeAsm.empty() && + GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n') + GlobalScopeAsm += '\n'; + } + +/// @} +/// @name Generic Value Accessors +/// @{ + + /// getNamedValue - Return the global value in the module with + /// the specified name, of arbitrary type. This method returns null + /// if a global with the specified name is not found. + GlobalValue *getNamedValue(StringRef Name) const; + + /// getMDKindID - Return a unique non-zero ID for the specified metadata kind. + /// This ID is uniqued across modules in the current LLVMContext. + unsigned getMDKindID(StringRef Name) const; + + /// getMDKindNames - Populate client supplied SmallVector with the name for + /// custom metadata IDs registered in this LLVMContext. + void getMDKindNames(SmallVectorImpl &Result) const; - // addTypeName - Insert an entry in the symbol table mapping Str to Type. If - // there is already an entry for this name, true is returned and the symbol - // table is not modified. - // - bool addTypeName(const std::string &Name, const Type *Ty); - - // getTypeName - If there is at least one entry in the symbol table for the - // specified type, return it. - // - std::string getTypeName(const Type *Ty); - - // Get the underlying elements of the Module... - inline const GlobalListType &getGlobalList() const { return GlobalList; } - inline GlobalListType &getGlobalList() { return GlobalList; } - inline const FunctionListType &getFunctionList() const { return FunctionList;} - inline FunctionListType &getFunctionList() { return FunctionList;} - - - //===--------------------------------------------------------------------===// - // Symbol table support functions... - // hasSymbolTable() - Returns true if there is a symbol table allocated to - // this object AND if there is at least one name in it! - // - bool hasSymbolTable() const; - - // CAUTION: The current symbol table may be null if there are no names (ie, - // the symbol table is empty) - // - inline SymbolTable *getSymbolTable() { return SymTab; } - inline const SymbolTable *getSymbolTable() const { return SymTab; } - - // getSymbolTableSure is guaranteed to not return a null pointer, because if - // the method does not already have a symtab, one is created. Use this if - // you intend to put something into the symbol table for the method. - // - SymbolTable *getSymbolTableSure(); - - - //===--------------------------------------------------------------------===// - // Module iterator forwarding functions - // - inline giterator gbegin() { return GlobalList.begin(); } - inline const_giterator gbegin() const { return GlobalList.begin(); } - inline giterator gend () { return GlobalList.end(); } - inline const_giterator gend () const { return GlobalList.end(); } - - inline reverse_giterator grbegin() { return GlobalList.rbegin(); } - inline const_reverse_giterator grbegin() const { return GlobalList.rbegin(); } - inline reverse_giterator grend () { return GlobalList.rend(); } - inline const_reverse_giterator grend () const { return GlobalList.rend(); } - - inline unsigned gsize() const { return GlobalList.size(); } - inline bool gempty() const { return GlobalList.empty(); } - inline const GlobalVariable &gfront() const { return GlobalList.front(); } - inline GlobalVariable &gfront() { return GlobalList.front(); } - inline const GlobalVariable &gback() const { return GlobalList.back(); } - inline GlobalVariable &gback() { return GlobalList.back(); } - - - - inline iterator begin() { return FunctionList.begin(); } - inline const_iterator begin() const { return FunctionList.begin(); } - inline iterator end () { return FunctionList.end(); } - inline const_iterator end () const { return FunctionList.end(); } - - inline reverse_iterator rbegin() { return FunctionList.rbegin(); } - inline const_reverse_iterator rbegin() const { return FunctionList.rbegin(); } - inline reverse_iterator rend () { return FunctionList.rend(); } - inline const_reverse_iterator rend () const { return FunctionList.rend(); } - - inline unsigned size() const { return FunctionList.size(); } - inline bool empty() const { return FunctionList.empty(); } - inline const Function &front() const { return FunctionList.front(); } - inline Function &front() { return FunctionList.front(); } - inline const Function &back() const { return FunctionList.back(); } - inline Function &back() { return FunctionList.back(); } - - void print(std::ostream &OS) const; + typedef DenseMap > + NumeredTypesMapTy; + + /// getTypeByName - Return the type with the specified name, or null if there + /// is none by that name. + StructType *getTypeByName(StringRef Name) const; + +/// @} +/// @name Function Accessors +/// @{ + + /// getOrInsertFunction - Look up the specified function in the module symbol + /// table. Four possibilities: + /// 1. If it does not exist, add a prototype for the function and return it. + /// 2. If it exists, and has a local linkage, the existing function is + /// renamed and a new one is inserted. + /// 3. Otherwise, if the existing function has the correct prototype, return + /// the existing function. + /// 4. Finally, the function exists but has the wrong prototype: return the + /// function with a constantexpr cast to the right prototype. + Constant *getOrInsertFunction(StringRef Name, FunctionType *T, + AttributeSet AttributeList); + + Constant *getOrInsertFunction(StringRef Name, FunctionType *T); + + /// getOrInsertFunction - Look up the specified function in the module symbol + /// table. If it does not exist, add a prototype for the function and return + /// it. This function guarantees to return a constant of pointer to the + /// specified function type or a ConstantExpr BitCast of that type if the + /// named function has a different type. This version of the method takes a + /// null terminated list of function arguments, which makes it easier for + /// clients to use. + Constant *getOrInsertFunction(StringRef Name, + AttributeSet AttributeList, + Type *RetTy, ...) END_WITH_NULL; + + /// getOrInsertFunction - Same as above, but without the attributes. + Constant *getOrInsertFunction(StringRef Name, Type *RetTy, ...) + END_WITH_NULL; + + Constant *getOrInsertTargetIntrinsic(StringRef Name, + FunctionType *Ty, + AttributeSet AttributeList); + + /// getFunction - Look up the specified function in the module symbol table. + /// If it does not exist, return null. + Function *getFunction(StringRef Name) const; + +/// @} +/// @name Global Variable Accessors +/// @{ + + /// getGlobalVariable - Look up the specified global variable in the module + /// symbol table. If it does not exist, return null. If AllowInternal is set + /// to true, this function will return types that have InternalLinkage. By + /// default, these types are not returned. + GlobalVariable *getGlobalVariable(StringRef Name, + bool AllowInternal = false) const; + + /// getNamedGlobal - Return the global variable in the module with the + /// specified name, of arbitrary type. This method returns null if a global + /// with the specified name is not found. + GlobalVariable *getNamedGlobal(StringRef Name) const { + return getGlobalVariable(Name, true); + } + + /// getOrInsertGlobal - Look up the specified global in the module symbol + /// table. + /// 1. If it does not exist, add a declaration of the global and return it. + /// 2. Else, the global exists but has the wrong type: return the function + /// with a constantexpr cast to the right type. + /// 3. Finally, if the existing global is the correct declaration, return + /// the existing global. + Constant *getOrInsertGlobal(StringRef Name, Type *Ty); + +/// @} +/// @name Global Alias Accessors +/// @{ + + /// getNamedAlias - Return the global alias in the module with the + /// specified name, of arbitrary type. This method returns null if a global + /// with the specified name is not found. + GlobalAlias *getNamedAlias(StringRef Name) const; + +/// @} +/// @name Named Metadata Accessors +/// @{ + + /// getNamedMetadata - Return the NamedMDNode in the module with the + /// specified name. This method returns null if a NamedMDNode with the + /// specified name is not found. + NamedMDNode *getNamedMetadata(const Twine &Name) const; + + /// getOrInsertNamedMetadata - Return the named MDNode in the module + /// with the specified name. This method returns a new NamedMDNode if a + /// NamedMDNode with the specified name is not found. + NamedMDNode *getOrInsertNamedMetadata(StringRef Name); + + /// eraseNamedMetadata - Remove the given NamedMDNode from this module + /// and delete it. + void eraseNamedMetadata(NamedMDNode *NMD); + +/// @} +/// @name Module Flags Accessors +/// @{ + + /// getModuleFlagsMetadata - Returns the module flags in the provided vector. + void getModuleFlagsMetadata(SmallVectorImpl &Flags) const; + + /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that + /// represents module-level flags. This method returns null if there are no + /// module-level flags. + NamedMDNode *getModuleFlagsMetadata() const; + + /// getOrInsertModuleFlagsMetadata - Returns the NamedMDNode in the module + /// that represents module-level flags. If module-level flags aren't found, + /// it creates the named metadata that contains them. + NamedMDNode *getOrInsertModuleFlagsMetadata(); + + /// addModuleFlag - Add a module-level flag to the module-level flags + /// metadata. It will create the module-level flags named metadata if it + /// doesn't already exist. + void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, Value *Val); + void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, uint32_t Val); + void addModuleFlag(MDNode *Node); + +/// @} +/// @name Materialization +/// @{ + + /// setMaterializer - Sets the GVMaterializer to GVM. This module must not + /// yet have a Materializer. To reset the materializer for a module that + /// already has one, call MaterializeAllPermanently first. Destroying this + /// module will destroy its materializer without materializing any more + /// GlobalValues. Without destroying the Module, there is no way to detach or + /// destroy a materializer without materializing all the GVs it controls, to + /// avoid leaving orphan unmaterialized GVs. + void setMaterializer(GVMaterializer *GVM); + /// getMaterializer - Retrieves the GVMaterializer, if any, for this Module. + GVMaterializer *getMaterializer() const { return Materializer.get(); } + + /// isMaterializable - True if the definition of GV has yet to be materialized + /// from the GVMaterializer. + bool isMaterializable(const GlobalValue *GV) const; + /// isDematerializable - Returns true if this GV was loaded from this Module's + /// GVMaterializer and the GVMaterializer knows how to dematerialize the GV. + bool isDematerializable(const GlobalValue *GV) const; + + /// Materialize - Make sure the GlobalValue is fully read. If the module is + /// corrupt, this returns true and fills in the optional string with + /// information about the problem. If successful, this returns false. + bool Materialize(GlobalValue *GV, std::string *ErrInfo = 0); + /// Dematerialize - If the GlobalValue is read in, and if the GVMaterializer + /// supports it, release the memory for the function, and set it up to be + /// materialized lazily. If !isDematerializable(), this method is a noop. + void Dematerialize(GlobalValue *GV); + + /// MaterializeAll - Make sure all GlobalValues in this Module are fully read. + /// If the module is corrupt, this returns true and fills in the optional + /// string with information about the problem. If successful, this returns + /// false. + bool MaterializeAll(std::string *ErrInfo = 0); + + /// MaterializeAllPermanently - Make sure all GlobalValues in this Module are + /// fully read and clear the Materializer. If the module is corrupt, this + /// returns true, fills in the optional string with information about the + /// problem, and DOES NOT clear the old Materializer. If successful, this + /// returns false. + bool MaterializeAllPermanently(std::string *ErrInfo = 0); + +/// @} +/// @name Direct access to the globals list, functions list, and symbol table +/// @{ + + /// Get the Module's list of global variables (constant). + const GlobalListType &getGlobalList() const { return GlobalList; } + /// Get the Module's list of global variables. + GlobalListType &getGlobalList() { return GlobalList; } + static iplist Module::*getSublistAccess(GlobalVariable*) { + return &Module::GlobalList; + } + /// Get the Module's list of functions (constant). + const FunctionListType &getFunctionList() const { return FunctionList; } + /// Get the Module's list of functions. + FunctionListType &getFunctionList() { return FunctionList; } + static iplist Module::*getSublistAccess(Function*) { + return &Module::FunctionList; + } + /// Get the Module's list of aliases (constant). + const AliasListType &getAliasList() const { return AliasList; } + /// Get the Module's list of aliases. + AliasListType &getAliasList() { return AliasList; } + static iplist Module::*getSublistAccess(GlobalAlias*) { + return &Module::AliasList; + } + /// Get the Module's list of named metadata (constant). + const NamedMDListType &getNamedMDList() const { return NamedMDList; } + /// Get the Module's list of named metadata. + NamedMDListType &getNamedMDList() { return NamedMDList; } + static ilist Module::*getSublistAccess(NamedMDNode*) { + return &Module::NamedMDList; + } + /// Get the symbol table of global variable and function identifiers + const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; } + /// Get the Module's symbol table of global variable and function identifiers. + ValueSymbolTable &getValueSymbolTable() { return *ValSymTab; } + +/// @} +/// @name Global Variable Iteration +/// @{ + + global_iterator global_begin() { return GlobalList.begin(); } + const_global_iterator global_begin() const { return GlobalList.begin(); } + global_iterator global_end () { return GlobalList.end(); } + const_global_iterator global_end () const { return GlobalList.end(); } + bool global_empty() const { return GlobalList.empty(); } + +/// @} +/// @name Function Iteration +/// @{ + + iterator begin() { return FunctionList.begin(); } + const_iterator begin() const { return FunctionList.begin(); } + iterator end () { return FunctionList.end(); } + const_iterator end () const { return FunctionList.end(); } + size_t size() const { return FunctionList.size(); } + bool empty() const { return FunctionList.empty(); } + +/// @} +/// @name Alias Iteration +/// @{ + + alias_iterator alias_begin() { return AliasList.begin(); } + const_alias_iterator alias_begin() const { return AliasList.begin(); } + alias_iterator alias_end () { return AliasList.end(); } + const_alias_iterator alias_end () const { return AliasList.end(); } + size_t alias_size () const { return AliasList.size(); } + bool alias_empty() const { return AliasList.empty(); } + + +/// @} +/// @name Named Metadata Iteration +/// @{ + + named_metadata_iterator named_metadata_begin() { return NamedMDList.begin(); } + const_named_metadata_iterator named_metadata_begin() const { + return NamedMDList.begin(); + } + + named_metadata_iterator named_metadata_end() { return NamedMDList.end(); } + const_named_metadata_iterator named_metadata_end() const { + return NamedMDList.end(); + } + + size_t named_metadata_size() const { return NamedMDList.size(); } + bool named_metadata_empty() const { return NamedMDList.empty(); } + + +/// @} +/// @name Utility functions for printing and dumping Module objects +/// @{ + + /// Print the module to an output stream with an optional + /// AssemblyAnnotationWriter. + void print(raw_ostream &OS, AssemblyAnnotationWriter *AAW) const; + + /// Dump the module to stderr (for debugging). void dump() const; - - // dropAllReferences() - This function causes all the subinstructions to "let - // go" of all references that they are maintaining. This allows one to - // 'delete' a whole class at a time, even though there may be circular - // references... first all references are dropped, and all use counts go to - // zero. Then everything is delete'd for real. Note that no operations are - // valid on an object that has "dropped all references", except operator - // delete. - // + + /// This function causes all the subinstructions to "let go" of all references + /// that they are maintaining. This allows one to 'delete' a whole class at + /// a time, even though there may be circular references... first all + /// references are dropped, and all use counts go to zero. Then everything + /// is delete'd for real. Note that no operations are valid on an object + /// that has "dropped all references", except operator delete. void dropAllReferences(); +/// @} }; -inline std::ostream &operator<<(std::ostream &O, const Module *M) { - M->print(O); +/// An raw_ostream inserter for modules. +inline raw_ostream &operator<<(raw_ostream &O, const Module &M) { + M.print(O, 0); return O; } -inline std::ostream &operator<<(std::ostream &O, const Module &M) { - M.print(O); - return O; -} +} // End llvm namespace #endif