1 //===-- llvm/Module.h - C++ class to represent a VM module ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// Module.h This file contains the declarations for the Module class.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_IR_MODULE_H
16 #define LLVM_IR_MODULE_H
18 #include "llvm/ADT/iterator_range.h"
19 #include "llvm/IR/Comdat.h"
20 #include "llvm/IR/DataLayout.h"
21 #include "llvm/IR/Function.h"
22 #include "llvm/IR/GlobalAlias.h"
23 #include "llvm/IR/GlobalVariable.h"
24 #include "llvm/IR/Metadata.h"
25 #include "llvm/Support/CBindingWrapping.h"
26 #include "llvm/Support/CodeGen.h"
27 #include "llvm/Support/DataTypes.h"
28 #include <system_error>
34 class RandomNumberGenerator;
36 template<typename T> struct DenseMapInfo;
37 template<typename KeyT, typename ValueT, typename KeyInfoT> class DenseMap;
39 template<> struct ilist_traits<Function>
40 : public SymbolTableListTraits<Function, Module> {
42 // createSentinel is used to get hold of the node that marks the end of the
43 // list... (same trick used here as in ilist_traits<Instruction>)
44 Function *createSentinel() const {
45 return static_cast<Function*>(&Sentinel);
47 static void destroySentinel(Function*) {}
49 Function *provideInitialHead() const { return createSentinel(); }
50 Function *ensureHead(Function*) const { return createSentinel(); }
51 static void noteHead(Function*, Function*) {}
54 mutable ilist_node<Function> Sentinel;
57 template<> struct ilist_traits<GlobalVariable>
58 : public SymbolTableListTraits<GlobalVariable, Module> {
59 // createSentinel is used to create a node that marks the end of the list.
60 GlobalVariable *createSentinel() const {
61 return static_cast<GlobalVariable*>(&Sentinel);
63 static void destroySentinel(GlobalVariable*) {}
65 GlobalVariable *provideInitialHead() const { return createSentinel(); }
66 GlobalVariable *ensureHead(GlobalVariable*) const { return createSentinel(); }
67 static void noteHead(GlobalVariable*, GlobalVariable*) {}
69 mutable ilist_node<GlobalVariable> Sentinel;
72 template<> struct ilist_traits<GlobalAlias>
73 : public SymbolTableListTraits<GlobalAlias, Module> {
74 // createSentinel is used to create a node that marks the end of the list.
75 GlobalAlias *createSentinel() const {
76 return static_cast<GlobalAlias*>(&Sentinel);
78 static void destroySentinel(GlobalAlias*) {}
80 GlobalAlias *provideInitialHead() const { return createSentinel(); }
81 GlobalAlias *ensureHead(GlobalAlias*) const { return createSentinel(); }
82 static void noteHead(GlobalAlias*, GlobalAlias*) {}
84 mutable ilist_node<GlobalAlias> Sentinel;
87 template<> struct ilist_traits<NamedMDNode>
88 : public ilist_default_traits<NamedMDNode> {
89 // createSentinel is used to get hold of a node that marks the end of
91 NamedMDNode *createSentinel() const {
92 return static_cast<NamedMDNode*>(&Sentinel);
94 static void destroySentinel(NamedMDNode*) {}
96 NamedMDNode *provideInitialHead() const { return createSentinel(); }
97 NamedMDNode *ensureHead(NamedMDNode*) const { return createSentinel(); }
98 static void noteHead(NamedMDNode*, NamedMDNode*) {}
99 void addNodeToList(NamedMDNode *) {}
100 void removeNodeFromList(NamedMDNode *) {}
102 mutable ilist_node<NamedMDNode> Sentinel;
105 /// A Module instance is used to store all the information related to an
106 /// LLVM module. Modules are the top level container of all other LLVM
107 /// Intermediate Representation (IR) objects. Each module directly contains a
108 /// list of globals variables, a list of functions, a list of libraries (or
109 /// other modules) this module depends on, a symbol table, and various data
110 /// about the target's characteristics.
112 /// A module maintains a GlobalValRefMap object that is used to hold all
113 /// constant references to global variables in the module. When a global
114 /// variable is destroyed, it should have no entries in the GlobalValueRefMap.
115 /// @brief The main container class for the LLVM Intermediate Representation.
117 /// @name Types And Enumerations
120 /// The type for the list of global variables.
121 typedef iplist<GlobalVariable> GlobalListType;
122 /// The type for the list of functions.
123 typedef iplist<Function> FunctionListType;
124 /// The type for the list of aliases.
125 typedef iplist<GlobalAlias> AliasListType;
126 /// The type for the list of named metadata.
127 typedef ilist<NamedMDNode> NamedMDListType;
128 /// The type of the comdat "symbol" table.
129 typedef StringMap<Comdat> ComdatSymTabType;
131 /// The Global Variable iterator.
132 typedef GlobalListType::iterator global_iterator;
133 /// The Global Variable constant iterator.
134 typedef GlobalListType::const_iterator const_global_iterator;
136 /// The Function iterators.
137 typedef FunctionListType::iterator iterator;
138 /// The Function constant iterator
139 typedef FunctionListType::const_iterator const_iterator;
141 /// The Function reverse iterator.
142 typedef FunctionListType::reverse_iterator reverse_iterator;
143 /// The Function constant reverse iterator.
144 typedef FunctionListType::const_reverse_iterator const_reverse_iterator;
146 /// The Global Alias iterators.
147 typedef AliasListType::iterator alias_iterator;
148 /// The Global Alias constant iterator
149 typedef AliasListType::const_iterator const_alias_iterator;
151 /// The named metadata iterators.
152 typedef NamedMDListType::iterator named_metadata_iterator;
153 /// The named metadata constant interators.
154 typedef NamedMDListType::const_iterator const_named_metadata_iterator;
156 /// This enumeration defines the supported behaviors of module flags.
157 enum ModFlagBehavior {
158 /// Emits an error if two values disagree, otherwise the resulting value is
159 /// that of the operands.
162 /// Emits a warning if two values disagree. The result value will be the
163 /// operand for the flag from the first module being linked.
166 /// Adds a requirement that another module flag be present and have a
167 /// specified value after linking is performed. The value must be a metadata
168 /// pair, where the first element of the pair is the ID of the module flag
169 /// to be restricted, and the second element of the pair is the value the
170 /// module flag should be restricted to. This behavior can be used to
171 /// restrict the allowable results (via triggering of an error) of linking
172 /// IDs with the **Override** behavior.
175 /// Uses the specified value, regardless of the behavior or value of the
176 /// other module. If both modules specify **Override**, but the values
177 /// differ, an error will be emitted.
180 /// Appends the two values, which are required to be metadata nodes.
183 /// Appends the two values, which are required to be metadata
184 /// nodes. However, duplicate entries in the second list are dropped
185 /// during the append operation.
189 ModFlagBehaviorFirstVal = Error,
190 ModFlagBehaviorLastVal = AppendUnique
193 /// Checks if Value represents a valid ModFlagBehavior, and stores the
194 /// converted result in MFB.
195 static bool isValidModFlagBehavior(Value *V, ModFlagBehavior &MFB);
197 struct ModuleFlagEntry {
198 ModFlagBehavior Behavior;
201 ModuleFlagEntry(ModFlagBehavior B, MDString *K, Value *V)
202 : Behavior(B), Key(K), Val(V) {}
206 /// @name Member Variables
209 LLVMContext &Context; ///< The LLVMContext from which types and
210 ///< constants are allocated.
211 GlobalListType GlobalList; ///< The Global Variables in the module
212 FunctionListType FunctionList; ///< The Functions in the module
213 AliasListType AliasList; ///< The Aliases in the module
214 NamedMDListType NamedMDList; ///< The named metadata in the module
215 std::string GlobalScopeAsm; ///< Inline Asm at global scope.
216 ValueSymbolTable *ValSymTab; ///< Symbol table for values
217 ComdatSymTabType ComdatSymTab; ///< Symbol table for COMDATs
218 std::unique_ptr<GVMaterializer>
219 Materializer; ///< Used to materialize GlobalValues
220 std::string ModuleID; ///< Human readable identifier for the module
221 std::string TargetTriple; ///< Platform target triple Module compiled on
222 void *NamedMDSymTab; ///< NamedMDNode names.
223 // Allow lazy initialization in const method.
224 mutable RandomNumberGenerator *RNG; ///< The random number generator for this module.
226 // We need to keep the string because the C API expects us to own the string
228 // Since we have it, we also use an empty string to represent a module without
229 // a DataLayout. If it has a DataLayout, these variables are in sync and the
230 // string is just a cache of getDataLayout()->getStringRepresentation().
231 std::string DataLayoutStr;
234 friend class Constant;
237 /// @name Constructors
240 /// The Module constructor. Note that there is no default constructor. You
241 /// must provide a name for the module upon construction.
242 explicit Module(StringRef ModuleID, LLVMContext& C);
243 /// The module destructor. This will dropAllReferences.
247 /// @name Module Level Accessors
250 /// Get the module identifier which is, essentially, the name of the module.
251 /// @returns the module identifier as a string
252 const std::string &getModuleIdentifier() const { return ModuleID; }
254 /// Get the data layout string for the module's target platform. This is
255 /// equivalent to getDataLayout()->getStringRepresentation().
256 const std::string &getDataLayoutStr() const { return DataLayoutStr; }
258 /// Get the data layout for the module's target platform.
259 const DataLayout *getDataLayout() const;
261 /// Get the target triple which is a string describing the target host.
262 /// @returns a string containing the target triple.
263 const std::string &getTargetTriple() const { return TargetTriple; }
265 /// Get the global data context.
266 /// @returns LLVMContext - a container for LLVM's global information
267 LLVMContext &getContext() const { return Context; }
269 /// Get any module-scope inline assembly blocks.
270 /// @returns a string containing the module-scope inline assembly blocks.
271 const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; }
273 /// Get the RandomNumberGenerator for this module. The RNG can be
274 /// seeded via -rng-seed=<uint64> and is salted with the ModuleID.
275 /// The returned RNG should not be shared across threads.
276 RandomNumberGenerator &getRNG() const;
279 /// @name Module Level Mutators
282 /// Set the module identifier.
283 void setModuleIdentifier(StringRef ID) { ModuleID = ID; }
285 /// Set the data layout
286 void setDataLayout(StringRef Desc);
287 void setDataLayout(const DataLayout *Other);
289 /// Set the target triple.
290 void setTargetTriple(StringRef T) { TargetTriple = T; }
292 /// Set the module-scope inline assembly blocks.
293 void setModuleInlineAsm(StringRef Asm) {
294 GlobalScopeAsm = Asm;
295 if (!GlobalScopeAsm.empty() &&
296 GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n')
297 GlobalScopeAsm += '\n';
300 /// Append to the module-scope inline assembly blocks, automatically inserting
301 /// a separating newline if necessary.
302 void appendModuleInlineAsm(StringRef Asm) {
303 GlobalScopeAsm += Asm;
304 if (!GlobalScopeAsm.empty() &&
305 GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n')
306 GlobalScopeAsm += '\n';
310 /// @name Generic Value Accessors
313 /// Return the global value in the module with the specified name, of
314 /// arbitrary type. This method returns null if a global with the specified
315 /// name is not found.
316 GlobalValue *getNamedValue(StringRef Name) const;
318 /// Return a unique non-zero ID for the specified metadata kind. This ID is
319 /// uniqued across modules in the current LLVMContext.
320 unsigned getMDKindID(StringRef Name) const;
322 /// Populate client supplied SmallVector with the name for custom metadata IDs
323 /// registered in this LLVMContext.
324 void getMDKindNames(SmallVectorImpl<StringRef> &Result) const;
326 /// Return the type with the specified name, or null if there is none by that
328 StructType *getTypeByName(StringRef Name) const;
331 /// @name Function Accessors
334 /// Look up the specified function in the module symbol table. Four
336 /// 1. If it does not exist, add a prototype for the function and return it.
337 /// 2. If it exists, and has a local linkage, the existing function is
338 /// renamed and a new one is inserted.
339 /// 3. Otherwise, if the existing function has the correct prototype, return
340 /// the existing function.
341 /// 4. Finally, the function exists but has the wrong prototype: return the
342 /// function with a constantexpr cast to the right prototype.
343 Constant *getOrInsertFunction(StringRef Name, FunctionType *T,
344 AttributeSet AttributeList);
346 Constant *getOrInsertFunction(StringRef Name, FunctionType *T);
348 /// Look up the specified function in the module symbol table. If it does not
349 /// exist, add a prototype for the function and return it. This function
350 /// guarantees to return a constant of pointer to the specified function type
351 /// or a ConstantExpr BitCast of that type if the named function has a
352 /// different type. This version of the method takes a null terminated list of
353 /// function arguments, which makes it easier for clients to use.
354 Constant *getOrInsertFunction(StringRef Name,
355 AttributeSet AttributeList,
356 Type *RetTy, ...) LLVM_END_WITH_NULL;
358 /// Same as above, but without the attributes.
359 Constant *getOrInsertFunction(StringRef Name, Type *RetTy, ...)
362 /// Look up the specified function in the module symbol table. If it does not
363 /// exist, return null.
364 Function *getFunction(StringRef Name) const;
367 /// @name Global Variable Accessors
370 /// Look up the specified global variable in the module symbol table. If it
371 /// does not exist, return null. If AllowInternal is set to true, this
372 /// function will return types that have InternalLinkage. By default, these
373 /// types are not returned.
374 const GlobalVariable *getGlobalVariable(StringRef Name,
375 bool AllowInternal = false) const {
376 return const_cast<Module *>(this)->getGlobalVariable(Name, AllowInternal);
379 GlobalVariable *getGlobalVariable(StringRef Name, bool AllowInternal = false);
381 /// Return the global variable in the module with the specified name, of
382 /// arbitrary type. This method returns null if a global with the specified
383 /// name is not found.
384 GlobalVariable *getNamedGlobal(StringRef Name) {
385 return getGlobalVariable(Name, true);
387 const GlobalVariable *getNamedGlobal(StringRef Name) const {
388 return const_cast<Module *>(this)->getNamedGlobal(Name);
391 /// Look up the specified global in the module symbol table.
392 /// 1. If it does not exist, add a declaration of the global and return it.
393 /// 2. Else, the global exists but has the wrong type: return the function
394 /// with a constantexpr cast to the right type.
395 /// 3. Finally, if the existing global is the correct declaration, return
396 /// the existing global.
397 Constant *getOrInsertGlobal(StringRef Name, Type *Ty);
400 /// @name Global Alias Accessors
403 /// Return the global alias in the module with the specified name, of
404 /// arbitrary type. This method returns null if a global with the specified
405 /// name is not found.
406 GlobalAlias *getNamedAlias(StringRef Name) const;
409 /// @name Named Metadata Accessors
412 /// Return the first NamedMDNode in the module with the specified name. This
413 /// method returns null if a NamedMDNode with the specified name is not found.
414 NamedMDNode *getNamedMetadata(const Twine &Name) const;
416 /// Return the named MDNode in the module with the specified name. This method
417 /// returns a new NamedMDNode if a NamedMDNode with the specified name is not
419 NamedMDNode *getOrInsertNamedMetadata(StringRef Name);
421 /// Remove the given NamedMDNode from this module and delete it.
422 void eraseNamedMetadata(NamedMDNode *NMD);
425 /// @name Comdat Accessors
428 /// Return the Comdat in the module with the specified name. It is created
429 /// if it didn't already exist.
430 Comdat *getOrInsertComdat(StringRef Name);
433 /// @name Module Flags Accessors
436 /// Returns the module flags in the provided vector.
437 void getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const;
439 /// Return the corresponding value if Key appears in module flags, otherwise
441 Value *getModuleFlag(StringRef Key) const;
443 /// Returns the NamedMDNode in the module that represents module-level flags.
444 /// This method returns null if there are no module-level flags.
445 NamedMDNode *getModuleFlagsMetadata() const;
447 /// Returns the NamedMDNode in the module that represents module-level flags.
448 /// If module-level flags aren't found, it creates the named metadata that
450 NamedMDNode *getOrInsertModuleFlagsMetadata();
452 /// Add a module-level flag to the module-level flags metadata. It will create
453 /// the module-level flags named metadata if it doesn't already exist.
454 void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, Value *Val);
455 void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, uint32_t Val);
456 void addModuleFlag(MDNode *Node);
459 /// @name Materialization
462 /// Sets the GVMaterializer to GVM. This module must not yet have a
463 /// Materializer. To reset the materializer for a module that already has one,
464 /// call MaterializeAllPermanently first. Destroying this module will destroy
465 /// its materializer without materializing any more GlobalValues. Without
466 /// destroying the Module, there is no way to detach or destroy a materializer
467 /// without materializing all the GVs it controls, to avoid leaving orphan
468 /// unmaterialized GVs.
469 void setMaterializer(GVMaterializer *GVM);
470 /// Retrieves the GVMaterializer, if any, for this Module.
471 GVMaterializer *getMaterializer() const { return Materializer.get(); }
473 /// Returns true if this GV was loaded from this Module's GVMaterializer and
474 /// the GVMaterializer knows how to dematerialize the GV.
475 bool isDematerializable(const GlobalValue *GV) const;
477 /// Make sure the GlobalValue is fully read. If the module is corrupt, this
478 /// returns true and fills in the optional string with information about the
479 /// problem. If successful, this returns false.
480 std::error_code materialize(GlobalValue *GV);
481 /// If the GlobalValue is read in, and if the GVMaterializer supports it,
482 /// release the memory for the function, and set it up to be materialized
483 /// lazily. If !isDematerializable(), this method is a noop.
484 void Dematerialize(GlobalValue *GV);
486 /// Make sure all GlobalValues in this Module are fully read.
487 std::error_code materializeAll();
489 /// Make sure all GlobalValues in this Module are fully read and clear the
490 /// Materializer. If the module is corrupt, this DOES NOT clear the old
492 std::error_code materializeAllPermanently();
495 /// @name Direct access to the globals list, functions list, and symbol table
498 /// Get the Module's list of global variables (constant).
499 const GlobalListType &getGlobalList() const { return GlobalList; }
500 /// Get the Module's list of global variables.
501 GlobalListType &getGlobalList() { return GlobalList; }
502 static iplist<GlobalVariable> Module::*getSublistAccess(GlobalVariable*) {
503 return &Module::GlobalList;
505 /// Get the Module's list of functions (constant).
506 const FunctionListType &getFunctionList() const { return FunctionList; }
507 /// Get the Module's list of functions.
508 FunctionListType &getFunctionList() { return FunctionList; }
509 static iplist<Function> Module::*getSublistAccess(Function*) {
510 return &Module::FunctionList;
512 /// Get the Module's list of aliases (constant).
513 const AliasListType &getAliasList() const { return AliasList; }
514 /// Get the Module's list of aliases.
515 AliasListType &getAliasList() { return AliasList; }
516 static iplist<GlobalAlias> Module::*getSublistAccess(GlobalAlias*) {
517 return &Module::AliasList;
519 /// Get the Module's list of named metadata (constant).
520 const NamedMDListType &getNamedMDList() const { return NamedMDList; }
521 /// Get the Module's list of named metadata.
522 NamedMDListType &getNamedMDList() { return NamedMDList; }
523 static ilist<NamedMDNode> Module::*getSublistAccess(NamedMDNode*) {
524 return &Module::NamedMDList;
526 /// Get the symbol table of global variable and function identifiers
527 const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; }
528 /// Get the Module's symbol table of global variable and function identifiers.
529 ValueSymbolTable &getValueSymbolTable() { return *ValSymTab; }
530 /// Get the Module's symbol table for COMDATs (constant).
531 const ComdatSymTabType &getComdatSymbolTable() const { return ComdatSymTab; }
532 /// Get the Module's symbol table for COMDATs.
533 ComdatSymTabType &getComdatSymbolTable() { return ComdatSymTab; }
536 /// @name Global Variable Iteration
539 global_iterator global_begin() { return GlobalList.begin(); }
540 const_global_iterator global_begin() const { return GlobalList.begin(); }
541 global_iterator global_end () { return GlobalList.end(); }
542 const_global_iterator global_end () const { return GlobalList.end(); }
543 bool global_empty() const { return GlobalList.empty(); }
545 iterator_range<global_iterator> globals() {
546 return iterator_range<global_iterator>(global_begin(), global_end());
548 iterator_range<const_global_iterator> globals() const {
549 return iterator_range<const_global_iterator>(global_begin(), global_end());
553 /// @name Function Iteration
556 iterator begin() { return FunctionList.begin(); }
557 const_iterator begin() const { return FunctionList.begin(); }
558 iterator end () { return FunctionList.end(); }
559 const_iterator end () const { return FunctionList.end(); }
560 reverse_iterator rbegin() { return FunctionList.rbegin(); }
561 const_reverse_iterator rbegin() const{ return FunctionList.rbegin(); }
562 reverse_iterator rend() { return FunctionList.rend(); }
563 const_reverse_iterator rend() const { return FunctionList.rend(); }
564 size_t size() const { return FunctionList.size(); }
565 bool empty() const { return FunctionList.empty(); }
568 /// @name Alias Iteration
571 alias_iterator alias_begin() { return AliasList.begin(); }
572 const_alias_iterator alias_begin() const { return AliasList.begin(); }
573 alias_iterator alias_end () { return AliasList.end(); }
574 const_alias_iterator alias_end () const { return AliasList.end(); }
575 size_t alias_size () const { return AliasList.size(); }
576 bool alias_empty() const { return AliasList.empty(); }
578 iterator_range<alias_iterator> aliases() {
579 return iterator_range<alias_iterator>(alias_begin(), alias_end());
581 iterator_range<const_alias_iterator> aliases() const {
582 return iterator_range<const_alias_iterator>(alias_begin(), alias_end());
586 /// @name Named Metadata Iteration
589 named_metadata_iterator named_metadata_begin() { return NamedMDList.begin(); }
590 const_named_metadata_iterator named_metadata_begin() const {
591 return NamedMDList.begin();
594 named_metadata_iterator named_metadata_end() { return NamedMDList.end(); }
595 const_named_metadata_iterator named_metadata_end() const {
596 return NamedMDList.end();
599 size_t named_metadata_size() const { return NamedMDList.size(); }
600 bool named_metadata_empty() const { return NamedMDList.empty(); }
602 iterator_range<named_metadata_iterator> named_metadata() {
603 return iterator_range<named_metadata_iterator>(named_metadata_begin(),
604 named_metadata_end());
606 iterator_range<const_named_metadata_iterator> named_metadata() const {
607 return iterator_range<const_named_metadata_iterator>(named_metadata_begin(),
608 named_metadata_end());
612 /// @name Utility functions for printing and dumping Module objects
615 /// Print the module to an output stream with an optional
616 /// AssemblyAnnotationWriter.
617 void print(raw_ostream &OS, AssemblyAnnotationWriter *AAW) const;
619 /// Dump the module to stderr (for debugging).
622 /// This function causes all the subinstructions to "let go" of all references
623 /// that they are maintaining. This allows one to 'delete' a whole class at
624 /// a time, even though there may be circular references... first all
625 /// references are dropped, and all use counts go to zero. Then everything
626 /// is delete'd for real. Note that no operations are valid on an object
627 /// that has "dropped all references", except operator delete.
628 void dropAllReferences();
631 /// @name Utility functions for querying Debug information.
634 /// \brief Returns the Dwarf Version by checking module flags.
635 unsigned getDwarfVersion() const;
638 /// @name Utility functions for querying and setting PIC level
641 /// \brief Returns the PIC level (small or large model)
642 PICLevel::Level getPICLevel() const;
644 /// \brief Set the PIC level (small or large model)
645 void setPICLevel(PICLevel::Level PL);
649 /// An raw_ostream inserter for modules.
650 inline raw_ostream &operator<<(raw_ostream &O, const Module &M) {
655 // Create wrappers for C Binding types (see CBindingWrapping.h).
656 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Module, LLVMModuleRef)
658 /* LLVMModuleProviderRef exists for historical reasons, but now just holds a
661 inline Module *unwrap(LLVMModuleProviderRef MP) {
662 return reinterpret_cast<Module*>(MP);
665 } // End llvm namespace