1 //===-- llvm/IR/Mangler.h - Self-contained name mangler ---------*- 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 //===----------------------------------------------------------------------===//
10 // Unified name mangler for various backends.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_TARGET_MANGLER_H
15 #define LLVM_TARGET_MANGLER_H
17 #include "llvm/ADT/DenseMap.h"
23 template <typename T> class SmallVectorImpl;
28 enum ManglerPrefixTy {
29 Default, ///< Emit default string before each symbol.
30 Private, ///< Emit "private" prefix before each symbol.
31 LinkerPrivate ///< Emit "linker private" prefix before each symbol.
37 /// AnonGlobalIDs - We need to give global values the same name every time
38 /// they are mangled. This keeps track of the number we give to anonymous
41 DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
43 /// NextAnonGlobalID - This simple counter is used to unique value names.
45 unsigned NextAnonGlobalID;
48 Mangler(const DataLayout *DL) : DL(DL), NextAnonGlobalID(1) {}
50 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
51 /// and the specified global variable's name. If the global variable doesn't
52 /// have a name, this fills in a unique name for the global.
53 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV);
55 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
56 /// and the specified name as the global variable name. GVName must not be
58 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
59 ManglerPrefixTy PrefixTy = Mangler::Default);
62 } // End llvm namespace
64 #endif // LLVM_TARGET_MANGLER_H