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//===-- Mangler.h - Self-contained llvm name mangler ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and 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 <map>
#include <set>
#include <string>
namespace llvm {
class Value;
class Type;
class Module;
class GlobalValue;
class Mangler {
/// This keeps track of which global values have had their names
/// mangled in the current module.
///
std::set<const Value *> MangledGlobals;
Module &M;
const char *Prefix;
unsigned TypeCounter;
std::map<const Type*, unsigned> TypeMap;
typedef std::map<const Value *, std::string> ValueMap;
ValueMap Memo;
unsigned Count;
void InsertName(GlobalValue *GV, std::map<std::string, GlobalValue*> &Names);
public:
// Mangler ctor - if a prefix is specified, it will be prepended onto all
// symbols.
Mangler(Module &M, const char *Prefix = "");
/// getTypeID - Return a unique ID for the specified LLVM type.
///
unsigned getTypeID(const Type *Ty);
/// getValueName - Returns the mangled name of V, an LLVM Value,
/// in the current module.
///
std::string getValueName(const Value *V);
/// makeNameProper - We don't want identifier names with ., space, or
/// - in them, so we mangle these characters into the strings "d_",
/// "s_", and "D_", respectively. This is a very simple mangling that
/// doesn't guarantee unique names for values. getValueName already
/// does this for you, so there's no point calling it on the result
/// from getValueName.
///
static std::string makeNameProper(const std::string &x);
};
} // End llvm namespace
#endif // LLVM_SUPPORT_MANGLER_H
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