1 //===-- llvm/Module.h - C++ class to represent a VM module ------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 /// @file 11 /// Module.h This file contains the declarations for the Module class. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_IR_MODULE_H 16 #define LLVM_IR_MODULE_H 17 18 #include "llvm/ADT/OwningPtr.h" 19 #include "llvm/IR/Function.h" 20 #include "llvm/IR/GlobalAlias.h" 21 #include "llvm/IR/GlobalVariable.h" 22 #include "llvm/IR/Metadata.h" 23 #include "llvm/Support/CBindingWrapping.h" 24 #include "llvm/Support/DataTypes.h" 25 26 namespace llvm { 27 28 class FunctionType; 29 class GVMaterializer; 30 class LLVMContext; 31 class StructType; 32 template<typename T> struct DenseMapInfo; 33 template<typename KeyT, typename ValueT, typename KeyInfoT> class DenseMap; 34 35 template<> struct ilist_traits<Function> 36 : public SymbolTableListTraits<Function, Module> { 37 38 // createSentinel is used to get hold of the node that marks the end of the 39 // list... (same trick used here as in ilist_traits<Instruction>) 40 Function *createSentinel() const { 41 return static_cast<Function*>(&Sentinel); 42 } 43 static void destroySentinel(Function*) {} 44 45 Function *provideInitialHead() const { return createSentinel(); } 46 Function *ensureHead(Function*) const { return createSentinel(); } 47 static void noteHead(Function*, Function*) {} 48 49 private: 50 mutable ilist_node<Function> Sentinel; 51 }; 52 53 template<> struct ilist_traits<GlobalVariable> 54 : public SymbolTableListTraits<GlobalVariable, Module> { 55 // createSentinel is used to create a node that marks the end of the list. 56 GlobalVariable *createSentinel() const { 57 return static_cast<GlobalVariable*>(&Sentinel); 58 } 59 static void destroySentinel(GlobalVariable*) {} 60 61 GlobalVariable *provideInitialHead() const { return createSentinel(); } 62 GlobalVariable *ensureHead(GlobalVariable*) const { return createSentinel(); } 63 static void noteHead(GlobalVariable*, GlobalVariable*) {} 64 private: 65 mutable ilist_node<GlobalVariable> Sentinel; 66 }; 67 68 template<> struct ilist_traits<GlobalAlias> 69 : public SymbolTableListTraits<GlobalAlias, Module> { 70 // createSentinel is used to create a node that marks the end of the list. 71 GlobalAlias *createSentinel() const { 72 return static_cast<GlobalAlias*>(&Sentinel); 73 } 74 static void destroySentinel(GlobalAlias*) {} 75 76 GlobalAlias *provideInitialHead() const { return createSentinel(); } 77 GlobalAlias *ensureHead(GlobalAlias*) const { return createSentinel(); } 78 static void noteHead(GlobalAlias*, GlobalAlias*) {} 79 private: 80 mutable ilist_node<GlobalAlias> Sentinel; 81 }; 82 83 template<> struct ilist_traits<NamedMDNode> 84 : public ilist_default_traits<NamedMDNode> { 85 // createSentinel is used to get hold of a node that marks the end of 86 // the list... 87 NamedMDNode *createSentinel() const { 88 return static_cast<NamedMDNode*>(&Sentinel); 89 } 90 static void destroySentinel(NamedMDNode*) {} 91 92 NamedMDNode *provideInitialHead() const { return createSentinel(); } 93 NamedMDNode *ensureHead(NamedMDNode*) const { return createSentinel(); } 94 static void noteHead(NamedMDNode*, NamedMDNode*) {} 95 void addNodeToList(NamedMDNode *) {} 96 void removeNodeFromList(NamedMDNode *) {} 97 private: 98 mutable ilist_node<NamedMDNode> Sentinel; 99 }; 100 101 /// A Module instance is used to store all the information related to an 102 /// LLVM module. Modules are the top level container of all other LLVM 103 /// Intermediate Representation (IR) objects. Each module directly contains a 104 /// list of globals variables, a list of functions, a list of libraries (or 105 /// other modules) this module depends on, a symbol table, and various data 106 /// about the target's characteristics. 107 /// 108 /// A module maintains a GlobalValRefMap object that is used to hold all 109 /// constant references to global variables in the module. When a global 110 /// variable is destroyed, it should have no entries in the GlobalValueRefMap. 111 /// @brief The main container class for the LLVM Intermediate Representation. 112 class Module { 113 /// @name Types And Enumerations 114 /// @{ 115 public: 116 /// The type for the list of global variables. 117 typedef iplist<GlobalVariable> GlobalListType; 118 /// The type for the list of functions. 119 typedef iplist<Function> FunctionListType; 120 /// The type for the list of aliases. 121 typedef iplist<GlobalAlias> AliasListType; 122 /// The type for the list of named metadata. 123 typedef ilist<NamedMDNode> NamedMDListType; 124 125 /// The Global Variable iterator. 126 typedef GlobalListType::iterator global_iterator; 127 /// The Global Variable constant iterator. 128 typedef GlobalListType::const_iterator const_global_iterator; 129 130 /// The Function iterators. 131 typedef FunctionListType::iterator iterator; 132 /// The Function constant iterator 133 typedef FunctionListType::const_iterator const_iterator; 134 135 /// The Global Alias iterators. 136 typedef AliasListType::iterator alias_iterator; 137 /// The Global Alias constant iterator 138 typedef AliasListType::const_iterator const_alias_iterator; 139 140 /// The named metadata iterators. 141 typedef NamedMDListType::iterator named_metadata_iterator; 142 /// The named metadata constant interators. 143 typedef NamedMDListType::const_iterator const_named_metadata_iterator; 144 145 /// An enumeration for describing the endianess of the target machine. 146 enum Endianness { AnyEndianness, LittleEndian, BigEndian }; 147 148 /// An enumeration for describing the size of a pointer on the target machine. 149 enum PointerSize { AnyPointerSize, Pointer32, Pointer64 }; 150 151 /// This enumeration defines the supported behaviors of module flags. 152 enum ModFlagBehavior { 153 /// Emits an error if two values disagree, otherwise the resulting value is 154 /// that of the operands. 155 Error = 1, 156 157 /// Emits a warning if two values disagree. The result value will be the 158 /// operand for the flag from the first module being linked. 159 Warning = 2, 160 161 /// Adds a requirement that another module flag be present and have a 162 /// specified value after linking is performed. The value must be a metadata 163 /// pair, where the first element of the pair is the ID of the module flag 164 /// to be restricted, and the second element of the pair is the value the 165 /// module flag should be restricted to. This behavior can be used to 166 /// restrict the allowable results (via triggering of an error) of linking 167 /// IDs with the **Override** behavior. 168 Require = 3, 169 170 /// Uses the specified value, regardless of the behavior or value of the 171 /// other module. If both modules specify **Override**, but the values 172 /// differ, an error will be emitted. 173 Override = 4, 174 175 /// Appends the two values, which are required to be metadata nodes. 176 Append = 5, 177 178 /// Appends the two values, which are required to be metadata 179 /// nodes. However, duplicate entries in the second list are dropped 180 /// during the append operation. 181 AppendUnique = 6 182 }; 183 184 struct ModuleFlagEntry { 185 ModFlagBehavior Behavior; 186 MDString *Key; 187 Value *Val; 188 ModuleFlagEntry(ModFlagBehavior B, MDString *K, Value *V) 189 : Behavior(B), Key(K), Val(V) {} 190 }; 191 192 /// @} 193 /// @name Member Variables 194 /// @{ 195 private: 196 LLVMContext &Context; ///< The LLVMContext from which types and 197 ///< constants are allocated. 198 GlobalListType GlobalList; ///< The Global Variables in the module 199 FunctionListType FunctionList; ///< The Functions in the module 200 AliasListType AliasList; ///< The Aliases in the module 201 NamedMDListType NamedMDList; ///< The named metadata in the module 202 std::string GlobalScopeAsm; ///< Inline Asm at global scope. 203 ValueSymbolTable *ValSymTab; ///< Symbol table for values 204 OwningPtr<GVMaterializer> Materializer; ///< Used to materialize GlobalValues 205 std::string ModuleID; ///< Human readable identifier for the module 206 std::string TargetTriple; ///< Platform target triple Module compiled on 207 std::string DataLayout; ///< Target data description 208 void *NamedMDSymTab; ///< NamedMDNode names. 209 210 friend class Constant; 211 212 /// @} 213 /// @name Constructors 214 /// @{ 215 public: 216 /// The Module constructor. Note that there is no default constructor. You 217 /// must provide a name for the module upon construction. 218 explicit Module(StringRef ModuleID, LLVMContext& C); 219 /// The module destructor. This will dropAllReferences. 220 ~Module(); 221 222 /// @} 223 /// @name Module Level Accessors 224 /// @{ 225 226 /// Get the module identifier which is, essentially, the name of the module. 227 /// @returns the module identifier as a string 228 const std::string &getModuleIdentifier() const { return ModuleID; } 229 230 /// Get the data layout string for the module's target platform. This encodes 231 /// the type sizes and alignments expected by this module. 232 /// @returns the data layout as a string 233 const std::string &getDataLayout() const { return DataLayout; } 234 235 /// Get the target triple which is a string describing the target host. 236 /// @returns a string containing the target triple. 237 const std::string &getTargetTriple() const { return TargetTriple; } 238 239 /// Get the target endian information. 240 /// @returns Endianess - an enumeration for the endianess of the target 241 Endianness getEndianness() const; 242 243 /// Get the target pointer size. 244 /// @returns PointerSize - an enumeration for the size of the target's pointer 245 PointerSize getPointerSize() const; 246 247 /// Get the global data context. 248 /// @returns LLVMContext - a container for LLVM's global information 249 LLVMContext &getContext() const { return Context; } 250 251 /// Get any module-scope inline assembly blocks. 252 /// @returns a string containing the module-scope inline assembly blocks. 253 const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; } 254 255 /// @} 256 /// @name Module Level Mutators 257 /// @{ 258 259 /// Set the module identifier. 260 void setModuleIdentifier(StringRef ID) { ModuleID = ID; } 261 262 /// Set the data layout 263 void setDataLayout(StringRef DL) { DataLayout = DL; } 264 265 /// Set the target triple. 266 void setTargetTriple(StringRef T) { TargetTriple = T; } 267 268 /// Set the module-scope inline assembly blocks. 269 void setModuleInlineAsm(StringRef Asm) { 270 GlobalScopeAsm = Asm; 271 if (!GlobalScopeAsm.empty() && 272 GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n') 273 GlobalScopeAsm += '\n'; 274 } 275 276 /// Append to the module-scope inline assembly blocks, automatically inserting 277 /// a separating newline if necessary. 278 void appendModuleInlineAsm(StringRef Asm) { 279 GlobalScopeAsm += Asm; 280 if (!GlobalScopeAsm.empty() && 281 GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n') 282 GlobalScopeAsm += '\n'; 283 } 284 285 /// @} 286 /// @name Generic Value Accessors 287 /// @{ 288 289 /// getNamedValue - Return the global value in the module with 290 /// the specified name, of arbitrary type. This method returns null 291 /// if a global with the specified name is not found. 292 GlobalValue *getNamedValue(StringRef Name) const; 293 294 /// getMDKindID - Return a unique non-zero ID for the specified metadata kind. 295 /// This ID is uniqued across modules in the current LLVMContext. 296 unsigned getMDKindID(StringRef Name) const; 297 298 /// getMDKindNames - Populate client supplied SmallVector with the name for 299 /// custom metadata IDs registered in this LLVMContext. 300 void getMDKindNames(SmallVectorImpl<StringRef> &Result) const; 301 302 303 typedef DenseMap<StructType*, unsigned, DenseMapInfo<StructType*> > 304 NumeredTypesMapTy; 305 306 /// getTypeByName - Return the type with the specified name, or null if there 307 /// is none by that name. 308 StructType *getTypeByName(StringRef Name) const; 309 310 /// @} 311 /// @name Function Accessors 312 /// @{ 313 314 /// getOrInsertFunction - Look up the specified function in the module symbol 315 /// table. Four possibilities: 316 /// 1. If it does not exist, add a prototype for the function and return it. 317 /// 2. If it exists, and has a local linkage, the existing function is 318 /// renamed and a new one is inserted. 319 /// 3. Otherwise, if the existing function has the correct prototype, return 320 /// the existing function. 321 /// 4. Finally, the function exists but has the wrong prototype: return the 322 /// function with a constantexpr cast to the right prototype. 323 Constant *getOrInsertFunction(StringRef Name, FunctionType *T, 324 AttributeSet AttributeList); 325 326 Constant *getOrInsertFunction(StringRef Name, FunctionType *T); 327 328 /// getOrInsertFunction - Look up the specified function in the module symbol 329 /// table. If it does not exist, add a prototype for the function and return 330 /// it. This function guarantees to return a constant of pointer to the 331 /// specified function type or a ConstantExpr BitCast of that type if the 332 /// named function has a different type. This version of the method takes a 333 /// null terminated list of function arguments, which makes it easier for 334 /// clients to use. 335 Constant *getOrInsertFunction(StringRef Name, 336 AttributeSet AttributeList, 337 Type *RetTy, ...) END_WITH_NULL; 338 339 /// getOrInsertFunction - Same as above, but without the attributes. 340 Constant *getOrInsertFunction(StringRef Name, Type *RetTy, ...) 341 END_WITH_NULL; 342 343 /// getFunction - Look up the specified function in the module symbol table. 344 /// If it does not exist, return null. 345 Function *getFunction(StringRef Name) const; 346 347 /// @} 348 /// @name Global Variable Accessors 349 /// @{ 350 351 /// getGlobalVariable - Look up the specified global variable in the module 352 /// symbol table. If it does not exist, return null. If AllowInternal is set 353 /// to true, this function will return types that have InternalLinkage. By 354 /// default, these types are not returned. 355 const GlobalVariable *getGlobalVariable(StringRef Name, 356 bool AllowInternal = false) const { 357 return const_cast<Module *>(this)->getGlobalVariable(Name, AllowInternal); 358 } 359 360 GlobalVariable *getGlobalVariable(StringRef Name, bool AllowInternal = false); 361 362 /// getNamedGlobal - Return the global variable in the module with the 363 /// specified name, of arbitrary type. This method returns null if a global 364 /// with the specified name is not found. 365 GlobalVariable *getNamedGlobal(StringRef Name) { 366 return getGlobalVariable(Name, true); 367 } 368 const GlobalVariable *getNamedGlobal(StringRef Name) const { 369 return const_cast<Module *>(this)->getNamedGlobal(Name); 370 } 371 372 /// getOrInsertGlobal - Look up the specified global in the module symbol 373 /// table. 374 /// 1. If it does not exist, add a declaration of the global and return it. 375 /// 2. Else, the global exists but has the wrong type: return the function 376 /// with a constantexpr cast to the right type. 377 /// 3. Finally, if the existing global is the correct declaration, return 378 /// the existing global. 379 Constant *getOrInsertGlobal(StringRef Name, Type *Ty); 380 381 /// @} 382 /// @name Global Alias Accessors 383 /// @{ 384 385 /// getNamedAlias - Return the global alias in the module with the 386 /// specified name, of arbitrary type. This method returns null if a global 387 /// with the specified name is not found. 388 GlobalAlias *getNamedAlias(StringRef Name) const; 389 390 /// @} 391 /// @name Named Metadata Accessors 392 /// @{ 393 394 /// getNamedMetadata - Return the NamedMDNode in the module with the 395 /// specified name. This method returns null if a NamedMDNode with the 396 /// specified name is not found. 397 NamedMDNode *getNamedMetadata(const Twine &Name) const; 398 399 /// getOrInsertNamedMetadata - Return the named MDNode in the module 400 /// with the specified name. This method returns a new NamedMDNode if a 401 /// NamedMDNode with the specified name is not found. 402 NamedMDNode *getOrInsertNamedMetadata(StringRef Name); 403 404 /// eraseNamedMetadata - Remove the given NamedMDNode from this module 405 /// and delete it. 406 void eraseNamedMetadata(NamedMDNode *NMD); 407 408 /// @} 409 /// @name Module Flags Accessors 410 /// @{ 411 412 /// getModuleFlagsMetadata - Returns the module flags in the provided vector. 413 void getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const; 414 415 /// Return the corresponding value if Key appears in module flags, otherwise 416 /// return null. 417 Value *getModuleFlag(StringRef Key) const; 418 419 /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that 420 /// represents module-level flags. This method returns null if there are no 421 /// module-level flags. 422 NamedMDNode *getModuleFlagsMetadata() const; 423 424 /// getOrInsertModuleFlagsMetadata - Returns the NamedMDNode in the module 425 /// that represents module-level flags. If module-level flags aren't found, 426 /// it creates the named metadata that contains them. 427 NamedMDNode *getOrInsertModuleFlagsMetadata(); 428 429 /// addModuleFlag - Add a module-level flag to the module-level flags 430 /// metadata. It will create the module-level flags named metadata if it 431 /// doesn't already exist. 432 void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, Value *Val); 433 void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, uint32_t Val); 434 void addModuleFlag(MDNode *Node); 435 436 /// @} 437 /// @name Materialization 438 /// @{ 439 440 /// setMaterializer - Sets the GVMaterializer to GVM. This module must not 441 /// yet have a Materializer. To reset the materializer for a module that 442 /// already has one, call MaterializeAllPermanently first. Destroying this 443 /// module will destroy its materializer without materializing any more 444 /// GlobalValues. Without destroying the Module, there is no way to detach or 445 /// destroy a materializer without materializing all the GVs it controls, to 446 /// avoid leaving orphan unmaterialized GVs. 447 void setMaterializer(GVMaterializer *GVM); 448 /// getMaterializer - Retrieves the GVMaterializer, if any, for this Module. 449 GVMaterializer *getMaterializer() const { return Materializer.get(); } 450 451 /// isMaterializable - True if the definition of GV has yet to be materialized 452 /// from the GVMaterializer. 453 bool isMaterializable(const GlobalValue *GV) const; 454 /// isDematerializable - Returns true if this GV was loaded from this Module's 455 /// GVMaterializer and the GVMaterializer knows how to dematerialize the GV. 456 bool isDematerializable(const GlobalValue *GV) const; 457 458 /// Materialize - Make sure the GlobalValue is fully read. If the module is 459 /// corrupt, this returns true and fills in the optional string with 460 /// information about the problem. If successful, this returns false. 461 bool Materialize(GlobalValue *GV, std::string *ErrInfo = 0); 462 /// Dematerialize - If the GlobalValue is read in, and if the GVMaterializer 463 /// supports it, release the memory for the function, and set it up to be 464 /// materialized lazily. If !isDematerializable(), this method is a noop. 465 void Dematerialize(GlobalValue *GV); 466 467 /// MaterializeAll - Make sure all GlobalValues in this Module are fully read. 468 /// If the module is corrupt, this returns true and fills in the optional 469 /// string with information about the problem. If successful, this returns 470 /// false. 471 bool MaterializeAll(std::string *ErrInfo = 0); 472 473 /// MaterializeAllPermanently - Make sure all GlobalValues in this Module are 474 /// fully read and clear the Materializer. If the module is corrupt, this 475 /// returns true, fills in the optional string with information about the 476 /// problem, and DOES NOT clear the old Materializer. If successful, this 477 /// returns false. 478 bool MaterializeAllPermanently(std::string *ErrInfo = 0); 479 480 /// @} 481 /// @name Direct access to the globals list, functions list, and symbol table 482 /// @{ 483 484 /// Get the Module's list of global variables (constant). 485 const GlobalListType &getGlobalList() const { return GlobalList; } 486 /// Get the Module's list of global variables. 487 GlobalListType &getGlobalList() { return GlobalList; } 488 static iplist<GlobalVariable> Module::*getSublistAccess(GlobalVariable*) { 489 return &Module::GlobalList; 490 } 491 /// Get the Module's list of functions (constant). 492 const FunctionListType &getFunctionList() const { return FunctionList; } 493 /// Get the Module's list of functions. 494 FunctionListType &getFunctionList() { return FunctionList; } 495 static iplist<Function> Module::*getSublistAccess(Function*) { 496 return &Module::FunctionList; 497 } 498 /// Get the Module's list of aliases (constant). 499 const AliasListType &getAliasList() const { return AliasList; } 500 /// Get the Module's list of aliases. 501 AliasListType &getAliasList() { return AliasList; } 502 static iplist<GlobalAlias> Module::*getSublistAccess(GlobalAlias*) { 503 return &Module::AliasList; 504 } 505 /// Get the Module's list of named metadata (constant). 506 const NamedMDListType &getNamedMDList() const { return NamedMDList; } 507 /// Get the Module's list of named metadata. 508 NamedMDListType &getNamedMDList() { return NamedMDList; } 509 static ilist<NamedMDNode> Module::*getSublistAccess(NamedMDNode*) { 510 return &Module::NamedMDList; 511 } 512 /// Get the symbol table of global variable and function identifiers 513 const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; } 514 /// Get the Module's symbol table of global variable and function identifiers. 515 ValueSymbolTable &getValueSymbolTable() { return *ValSymTab; } 516 517 /// @} 518 /// @name Global Variable Iteration 519 /// @{ 520 521 global_iterator global_begin() { return GlobalList.begin(); } 522 const_global_iterator global_begin() const { return GlobalList.begin(); } 523 global_iterator global_end () { return GlobalList.end(); } 524 const_global_iterator global_end () const { return GlobalList.end(); } 525 bool global_empty() const { return GlobalList.empty(); } 526 527 /// @} 528 /// @name Function Iteration 529 /// @{ 530 531 iterator begin() { return FunctionList.begin(); } 532 const_iterator begin() const { return FunctionList.begin(); } 533 iterator end () { return FunctionList.end(); } 534 const_iterator end () const { return FunctionList.end(); } 535 size_t size() const { return FunctionList.size(); } 536 bool empty() const { return FunctionList.empty(); } 537 538 /// @} 539 /// @name Alias Iteration 540 /// @{ 541 542 alias_iterator alias_begin() { return AliasList.begin(); } 543 const_alias_iterator alias_begin() const { return AliasList.begin(); } 544 alias_iterator alias_end () { return AliasList.end(); } 545 const_alias_iterator alias_end () const { return AliasList.end(); } 546 size_t alias_size () const { return AliasList.size(); } 547 bool alias_empty() const { return AliasList.empty(); } 548 549 550 /// @} 551 /// @name Named Metadata Iteration 552 /// @{ 553 554 named_metadata_iterator named_metadata_begin() { return NamedMDList.begin(); } 555 const_named_metadata_iterator named_metadata_begin() const { 556 return NamedMDList.begin(); 557 } 558 559 named_metadata_iterator named_metadata_end() { return NamedMDList.end(); } 560 const_named_metadata_iterator named_metadata_end() const { 561 return NamedMDList.end(); 562 } 563 564 size_t named_metadata_size() const { return NamedMDList.size(); } 565 bool named_metadata_empty() const { return NamedMDList.empty(); } 566 567 568 /// @} 569 /// @name Utility functions for printing and dumping Module objects 570 /// @{ 571 572 /// Print the module to an output stream with an optional 573 /// AssemblyAnnotationWriter. 574 void print(raw_ostream &OS, AssemblyAnnotationWriter *AAW) const; 575 576 /// Dump the module to stderr (for debugging). 577 void dump() const; 578 579 /// This function causes all the subinstructions to "let go" of all references 580 /// that they are maintaining. This allows one to 'delete' a whole class at 581 /// a time, even though there may be circular references... first all 582 /// references are dropped, and all use counts go to zero. Then everything 583 /// is delete'd for real. Note that no operations are valid on an object 584 /// that has "dropped all references", except operator delete. 585 void dropAllReferences(); 586 /// @} 587 }; 588 589 /// An raw_ostream inserter for modules. 590 inline raw_ostream &operator<<(raw_ostream &O, const Module &M) { 591 M.print(O, 0); 592 return O; 593 } 594 595 // Create wrappers for C Binding types (see CBindingWrapping.h). 596 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Module, LLVMModuleRef) 597 598 /* LLVMModuleProviderRef exists for historical reasons, but now just holds a 599 * Module. 600 */ 601 inline Module *unwrap(LLVMModuleProviderRef MP) { 602 return reinterpret_cast<Module*>(MP); 603 } 604 605 } // End llvm namespace 606 607 #endif 608