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"
24 template <typename T> class SmallVectorImpl;
29 enum ManglerPrefixTy {
30 Default, ///< Emit default string before each symbol.
31 Private, ///< Emit "private" prefix before each symbol.
32 LinkerPrivate ///< Emit "linker private" prefix before each symbol.
38 /// AnonGlobalIDs - We need to give global values the same name every time
39 /// they are mangled. This keeps track of the number we give to anonymous
42 DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
44 /// NextAnonGlobalID - This simple counter is used to unique value names.
46 unsigned NextAnonGlobalID;
49 Mangler(const DataLayout *DL) : DL(DL), NextAnonGlobalID(1) {}
51 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
52 /// and the specified global variable's name. If the global variable doesn't
53 /// have a name, this fills in a unique name for the global.
54 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV);
56 /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
57 /// and the specified name as the global variable name. GVName must not be
59 void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
60 ManglerPrefixTy PrefixTy = Mangler::Default);
63 } // End llvm namespace
65 #endif // LLVM_TARGET_MANGLER_H