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Keep track of named mdnodes in a Module using an ilist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77476 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -18,6 +18,7 @@
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#include "llvm/Function.h"
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#include "llvm/GlobalVariable.h"
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#include "llvm/GlobalAlias.h"
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#include "llvm/Metadata.h"
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#include "llvm/Support/DataTypes.h"
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#include <vector>
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@ -56,6 +57,21 @@ template<> struct ilist_traits<GlobalAlias>
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static GlobalAlias *createSentinel();
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static void destroySentinel(GlobalAlias *GA) { delete GA; }
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};
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template<> struct ilist_traits<NamedMDNode>
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: public SymbolTableListTraits<NamedMDNode, Module> {
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// createSentinel is used to get hold of a node that marks the end of
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// the list...
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NamedMDNode *createSentinel() const {
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return static_cast<NamedMDNode*>(&Sentinel);
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}
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static void destroySentinel(NamedMDNode*) {}
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NamedMDNode *provideInitialHead() const { return createSentinel(); }
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NamedMDNode *ensureHead(NamedMDNode*) const { return createSentinel(); }
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static void noteHead(NamedMDNode*, NamedMDNode*) {}
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private:
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mutable ilist_node<NamedMDNode> Sentinel;
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};
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/// A Module instance is used to store all the information related to an
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/// LLVM module. Modules are the top level container of all other LLVM
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@ -78,25 +94,31 @@ public:
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typedef iplist<Function> FunctionListType;
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/// The type for the list of aliases.
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typedef iplist<GlobalAlias> AliasListType;
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/// The type for the list of named metadata.
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typedef iplist<NamedMDNode> NamedMDListType;
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/// The type for the list of dependent libraries.
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typedef std::vector<std::string> LibraryListType;
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/// The Global Variable iterator.
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typedef GlobalListType::iterator global_iterator;
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typedef GlobalListType::iterator global_iterator;
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/// The Global Variable constant iterator.
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typedef GlobalListType::const_iterator const_global_iterator;
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typedef GlobalListType::const_iterator const_global_iterator;
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/// The Function iterators.
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typedef FunctionListType::iterator iterator;
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typedef FunctionListType::iterator iterator;
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/// The Function constant iterator
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typedef FunctionListType::const_iterator const_iterator;
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typedef FunctionListType::const_iterator const_iterator;
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/// The Global Alias iterators.
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typedef AliasListType::iterator alias_iterator;
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typedef AliasListType::iterator alias_iterator;
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/// The Global Alias constant iterator
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typedef AliasListType::const_iterator const_alias_iterator;
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typedef AliasListType::const_iterator const_alias_iterator;
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/// The named metadata iterators.
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typedef NamedMDListType::iterator named_metadata_iterator;
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/// The named metadata constant interators.
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typedef NamedMDListType::const_iterator const_named_metadata_iterator;
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/// The Library list iterator.
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typedef LibraryListType::const_iterator lib_iterator;
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@ -116,6 +138,7 @@ private:
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FunctionListType FunctionList; ///< The Functions in the module
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AliasListType AliasList; ///< The Aliases in the module
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LibraryListType LibraryList; ///< The Libraries needed by the module
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NamedMDListType NamedMDList; ///< The named metadata in the module
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std::string GlobalScopeAsm; ///< Inline Asm at global scope.
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ValueSymbolTable *ValSymTab; ///< Symbol table for values
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TypeSymbolTable *TypeSymTab; ///< Symbol table for types
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@ -276,6 +299,15 @@ public:
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/// with the specified name is not found.
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GlobalAlias *getNamedAlias(const StringRef &Name) const;
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/// @}
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/// @name Named Metadata Accessors
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/// @{
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public:
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/// getNamedMetadata - Return the first named MDNode in the module with the
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/// specified name. This method returns null if a MDNode with the specified
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/// name is not found.
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NamedMDNode *getNamedMetadata(const StringRef &Name) const;
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/// @}
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/// @name Type Accessors
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/// @{
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@ -318,6 +350,13 @@ public:
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static iplist<GlobalAlias> Module::*getSublistAccess(GlobalAlias*) {
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return &Module::AliasList;
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}
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/// Get the Module's list of named metadata (constant).
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const NamedMDListType &getNamedMDList() const { return NamedMDList; }
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/// Get the Module's list of named metadata.
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NamedMDListType &getNamedMDList() { return NamedMDList; }
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static iplist<NamedMDNode> Module::*getSublistAccess(NamedMDNode *) {
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return &Module::NamedMDList;
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}
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/// Get the symbol table of global variable and function identifiers
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const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; }
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/// Get the Module's symbol table of global variable and function identifiers.
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@ -393,6 +432,31 @@ public:
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/// Determine if the list of aliases is empty.
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bool alias_empty() const { return AliasList.empty(); }
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/// @}
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/// @name Named Metadata Iteration
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/// @{
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public:
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/// Get an iterator to the first named metadata.
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named_metadata_iterator named_metadata_begin()
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{ return NamedMDList.begin(); }
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/// Get a constant iterator to the first named metadata.
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const_named_metadata_iterator named_metadata_begin() const
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{ return NamedMDList.begin(); }
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/// Get an iterator to the last named metadata.
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named_metadata_iterator named_metadata_end ()
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{ return NamedMDList.end(); }
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/// Get a constant iterator to the last named metadata.
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const_named_metadata_iterator named_metadata_end () const
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{ return NamedMDList.end(); }
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/// Determine how many NamedMDNodes are in the Module's list of named metadata.
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size_t named_metadata_size () const
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{ return NamedMDList.size(); }
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/// Determine if the list of named metadata is empty.
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bool named_metadata_empty() const
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{ return NamedMDList.empty(); }
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/// @}
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/// @name Utility functions for printing and dumping Module objects
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/// @{
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