1 //===-- llvm/Support/Mangler.h - Self-contained name mangler ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Unified name mangler for various backends.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_SUPPORT_MANGLER_H
15 #define LLVM_SUPPORT_MANGLER_H
28 /// This keeps track of which global values have had their names
29 /// mangled in the current module.
31 std::set<const GlobalValue*> MangledGlobals;
33 /// Prefix - This string is added to each symbol that is emitted, unless the
34 /// symbol is marked as not needing this prefix.
37 /// Memo - This is used to remember the name that we assign a value.
39 std::map<const Value*, std::string> Memo;
41 /// Count - This simple counter is used to unique value names.
45 /// TypeMap - If the client wants us to unique types, this keeps track of the
46 /// current assignments and TypeCounter keeps track of the next id to assign.
47 std::map<const Type*, unsigned> TypeMap;
50 void InsertName(GlobalValue *GV, std::map<std::string, GlobalValue*> &Names);
53 // Mangler ctor - if a prefix is specified, it will be prepended onto all
55 Mangler(Module &M, const char *Prefix = "");
57 /// getTypeID - Return a unique ID for the specified LLVM type.
59 unsigned getTypeID(const Type *Ty);
61 /// getValueName - Returns the mangled name of V, an LLVM Value,
62 /// in the current module.
64 std::string getValueName(const GlobalValue *V);
65 std::string getValueName(const Value *V);
67 /// makeNameProper - We don't want identifier names with ., space, or
68 /// - in them, so we mangle these characters into the strings "d_",
69 /// "s_", and "D_", respectively. This is a very simple mangling that
70 /// doesn't guarantee unique names for values. getValueName already
71 /// does this for you, so there's no point calling it on the result
72 /// from getValueName.
74 std::string makeNameProper(const std::string &x, const char *Prefix = "");
77 } // End llvm namespace
79 #endif // LLVM_SUPPORT_MANGLER_H