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Diffstat (limited to 'include/llvm/ValueSymbolTable.h')
-rw-r--r-- | include/llvm/ValueSymbolTable.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/include/llvm/ValueSymbolTable.h b/include/llvm/ValueSymbolTable.h deleted file mode 100644 index 1738cc4a7a79..000000000000 --- a/include/llvm/ValueSymbolTable.h +++ /dev/null @@ -1,133 +0,0 @@ -//===-- llvm/ValueSymbolTable.h - Implement a Value Symtab ------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the name/Value symbol table for LLVM. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_VALUE_SYMBOL_TABLE_H -#define LLVM_VALUE_SYMBOL_TABLE_H - -#include "llvm/Value.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/Support/DataTypes.h" - -namespace llvm { - template<typename ValueSubClass, typename ItemParentClass> - class SymbolTableListTraits; - class BasicBlock; - class Function; - class NamedMDNode; - class Module; - class StringRef; - -/// This class provides a symbol table of name/value pairs. It is essentially -/// a std::map<std::string,Value*> but has a controlled interface provided by -/// LLVM as well as ensuring uniqueness of names. -/// -class ValueSymbolTable { - friend class Value; - friend class SymbolTableListTraits<Argument, Function>; - friend class SymbolTableListTraits<BasicBlock, Function>; - friend class SymbolTableListTraits<Instruction, BasicBlock>; - friend class SymbolTableListTraits<Function, Module>; - friend class SymbolTableListTraits<GlobalVariable, Module>; - friend class SymbolTableListTraits<GlobalAlias, Module>; -/// @name Types -/// @{ -public: - /// @brief A mapping of names to values. - typedef StringMap<Value*> ValueMap; - - /// @brief An iterator over a ValueMap. - typedef ValueMap::iterator iterator; - - /// @brief A const_iterator over a ValueMap. - typedef ValueMap::const_iterator const_iterator; - -/// @} -/// @name Constructors -/// @{ -public: - - ValueSymbolTable() : vmap(0), LastUnique(0) {} - ~ValueSymbolTable(); - -/// @} -/// @name Accessors -/// @{ -public: - - /// This method finds the value with the given \p Name in the - /// the symbol table. - /// @returns the value associated with the \p Name - /// @brief Lookup a named Value. - Value *lookup(StringRef Name) const { return vmap.lookup(Name); } - - /// @returns true iff the symbol table is empty - /// @brief Determine if the symbol table is empty - inline bool empty() const { return vmap.empty(); } - - /// @brief The number of name/type pairs is returned. - inline unsigned size() const { return unsigned(vmap.size()); } - - /// This function can be used from the debugger to display the - /// content of the symbol table while debugging. - /// @brief Print out symbol table on stderr - void dump() const; - -/// @} -/// @name Iteration -/// @{ -public: - /// @brief Get an iterator that from the beginning of the symbol table. - inline iterator begin() { return vmap.begin(); } - - /// @brief Get a const_iterator that from the beginning of the symbol table. - inline const_iterator begin() const { return vmap.begin(); } - - /// @brief Get an iterator to the end of the symbol table. - inline iterator end() { return vmap.end(); } - - /// @brief Get a const_iterator to the end of the symbol table. - inline const_iterator end() const { return vmap.end(); } - -/// @} -/// @name Mutators -/// @{ -private: - /// This method adds the provided value \p N to the symbol table. The Value - /// must have a name which is used to place the value in the symbol table. - /// If the inserted name conflicts, this renames the value. - /// @brief Add a named value to the symbol table - void reinsertValue(Value *V); - - /// createValueName - This method attempts to create a value name and insert - /// it into the symbol table with the specified name. If it conflicts, it - /// auto-renames the name and returns that instead. - ValueName *createValueName(StringRef Name, Value *V); - - /// This method removes a value from the symbol table. It leaves the - /// ValueName attached to the value, but it is no longer inserted in the - /// symtab. - void removeValueName(ValueName *V); - -/// @} -/// @name Internal Data -/// @{ -private: - ValueMap vmap; ///< The map that holds the symbol table. - mutable uint32_t LastUnique; ///< Counter for tracking unique names - -/// @} -}; - -} // End llvm namespace - -#endif |