Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- llvm/IR/Mangler.h - Self-contained name mangler ---------*- 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

//

//===----------------------------------------------------------------------===//

//

// Unified name mangler for various backends.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_IR_MANGLER_H

#define LLVM_IR_MANGLER_H

#include "llvm/ADT/DenseMap.h"

namespace llvm {

class DataLayout;

class GlobalValue;

template <typename T> class SmallVectorImpl;

class Triple;

class Twine;

class raw_ostream;

class Mangler {

  /// We need to give global values the same name every time they are mangled.

  /// This keeps track of the number we give to anonymous ones.

  mutable DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;

public:

  /// Print the appropriate prefix and the specified global variable's name.

  /// If the global variable doesn't have a name, this fills in a unique name

  /// for the global.

  void getNameWithPrefix(raw_ostream &OS, const GlobalValue *GV,

                         bool CannotUsePrivateLabel) const;

  void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV,

                         bool CannotUsePrivateLabel) const;

  /// Print the appropriate prefix and the specified name as the global variable

  /// name. GVName must not be empty.

  static void getNameWithPrefix(raw_ostream &OS, const Twine &GVName,

                                const DataLayout &DL);

  static void getNameWithPrefix(SmallVectorImpl<char> &OutName,

                                const Twine &GVName, const DataLayout &DL);

};

void emitLinkerFlagsForGlobalCOFF(raw_ostream &OS, const GlobalValue *GV,

                                  const Triple &TT, Mangler &Mangler);

void emitLinkerFlagsForUsedCOFF(raw_ostream &OS, const GlobalValue *GV,

                                const Triple &T, Mangler &M);

} // End llvm namespace

#endif