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#pragma once 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic push 
#pragma GCC diagnostic ignored "-Wunused-parameter" 
#endif 
 
//===- ModuleSymbolTable.h - symbol table for in-memory IR ------*- C++ -*-===// 
// 
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
// See https://llvm.org/LICENSE.txt for license information. 
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
// 
//===----------------------------------------------------------------------===// 
// 
// This class represents a symbol table built from in-memory IR. It provides 
// access to GlobalValues and should only be used if such access is required 
// (e.g. in the LTO implementation). 
// 
//===----------------------------------------------------------------------===// 
 
#ifndef LLVM_OBJECT_MODULESYMBOLTABLE_H 
#define LLVM_OBJECT_MODULESYMBOLTABLE_H 
 
#include "llvm/ADT/ArrayRef.h" 
#include "llvm/ADT/PointerUnion.h" 
#include "llvm/IR/Mangler.h" 
#include "llvm/Object/SymbolicFile.h" 
#include "llvm/Support/Allocator.h" 
#include <cstdint> 
#include <string> 
#include <utility> 
#include <vector> 
 
namespace llvm { 
 
class GlobalValue; 
class Module; 
 
class ModuleSymbolTable { 
public: 
  using AsmSymbol = std::pair<std::string, uint32_t>; 
  using Symbol = PointerUnion<GlobalValue *, AsmSymbol *>; 
 
private: 
  Module *FirstMod = nullptr; 
 
  SpecificBumpPtrAllocator<AsmSymbol> AsmSymbols; 
  std::vector<Symbol> SymTab; 
  Mangler Mang; 
 
public: 
  ArrayRef<Symbol> symbols() const { return SymTab; } 
  void addModule(Module *M); 
 
  void printSymbolName(raw_ostream &OS, Symbol S) const; 
  uint32_t getSymbolFlags(Symbol S) const; 
 
  /// Parse inline ASM and collect the symbols that are defined or referenced in 
  /// the current module. 
  /// 
  /// For each found symbol, call \p AsmSymbol with the name of the symbol found 
  /// and the associated flags. 
  static void CollectAsmSymbols( 
      const Module &M, 
      function_ref<void(StringRef, object::BasicSymbolRef::Flags)> AsmSymbol); 
 
  /// Parse inline ASM and collect the symvers directives that are defined in 
  /// the current module. 
  /// 
  /// For each found symbol, call \p AsmSymver with the name of the symbol and 
  /// its alias. 
  static void 
  CollectAsmSymvers(const Module &M, 
                    function_ref<void(StringRef, StringRef)> AsmSymver); 
}; 
 
} // end namespace llvm 
 
#endif // LLVM_OBJECT_MODULESYMBOLTABLE_H 
 
#ifdef __GNUC__ 
#pragma GCC diagnostic pop 
#endif