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diff --git a/include/llvm/Target/Mangler.h b/include/llvm/Target/Mangler.h
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+//===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Unified name mangler for various backends.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_MANGLER_H
+#define LLVM_SUPPORT_MANGLER_H
+
+#include "llvm/ADT/DenseMap.h"
+#include <string>
+
+namespace llvm {
+class StringRef;
+class Twine;
+class Value;
+class GlobalValue;
+template <typename T> class SmallVectorImpl;
+class MCAsmInfo;
+
+class Mangler {
+public:
+ enum ManglerPrefixTy {
+ Default, ///< Emit default string before each symbol.
+ Private, ///< Emit "private" prefix before each symbol.
+ LinkerPrivate ///< Emit "linker private" prefix before each symbol.
+ };
+
+private:
+ const MCAsmInfo &MAI;
+
+ /// AnonGlobalIDs - 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.
+ ///
+ DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs;
+
+ /// NextAnonGlobalID - This simple counter is used to unique value names.
+ ///
+ unsigned NextAnonGlobalID;
+
+public:
+ // Mangler ctor - if a prefix is specified, it will be prepended onto all
+ // symbols.
+ Mangler(const MCAsmInfo &mai) : MAI(mai), NextAnonGlobalID(1) {}
+
+ /// getNameWithPrefix - Fill OutName with the name of 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(SmallVectorImpl<char> &OutName, const GlobalValue *GV,
+ bool isImplicitlyPrivate);
+
+ /// getNameWithPrefix - Fill OutName with the name of the appropriate prefix
+ /// and the specified name as the global variable name. GVName must not be
+ /// empty.
+ void getNameWithPrefix(SmallVectorImpl<char> &OutName, const Twine &GVName,
+ ManglerPrefixTy PrefixTy = Mangler::Default);
+
+ /// getNameWithPrefix - Return the name of 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.
+ std::string getNameWithPrefix(const GlobalValue *GV,
+ bool isImplicitlyPrivate = false);
+};
+
+} // End llvm namespace
+
+#endif // LLVM_SUPPORT_MANGLER_H