1 | //===-- llvm/IR/Mangler.h - Self-contained name mangler ---------*- C++ -*-===// |
2 | // |
3 | // The LLVM Compiler Infrastructure |
4 | // |
5 | // This file is distributed under the University of Illinois Open Source |
6 | // License. See LICENSE.TXT for details. |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | // |
10 | // Unified name mangler for various backends. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #ifndef LLVM_IR_MANGLER_H |
15 | #define LLVM_IR_MANGLER_H |
16 | |
17 | #include "llvm/ADT/DenseMap.h" |
18 | #include "llvm/IR/GlobalValue.h" |
19 | |
20 | namespace llvm { |
21 | |
22 | class DataLayout; |
23 | template <typename T> class SmallVectorImpl; |
24 | class Triple; |
25 | class Twine; |
26 | class raw_ostream; |
27 | |
28 | class Mangler { |
29 | /// We need to give global values the same name every time they are mangled. |
30 | /// This keeps track of the number we give to anonymous ones. |
31 | mutable DenseMap<const GlobalValue*, unsigned> AnonGlobalIDs; |
32 | |
33 | public: |
34 | /// Print the appropriate prefix and the specified global variable's name. |
35 | /// If the global variable doesn't have a name, this fills in a unique name |
36 | /// for the global. |
37 | void getNameWithPrefix(raw_ostream &OS, const GlobalValue *GV, |
38 | bool CannotUsePrivateLabel) const; |
39 | void getNameWithPrefix(SmallVectorImpl<char> &OutName, const GlobalValue *GV, |
40 | bool CannotUsePrivateLabel) const; |
41 | |
42 | /// Print the appropriate prefix and the specified name as the global variable |
43 | /// name. GVName must not be empty. |
44 | static void getNameWithPrefix(raw_ostream &OS, const Twine &GVName, |
45 | const DataLayout &DL); |
46 | static void getNameWithPrefix(SmallVectorImpl<char> &OutName, |
47 | const Twine &GVName, const DataLayout &DL); |
48 | }; |
49 | |
50 | void emitLinkerFlagsForGlobalCOFF(raw_ostream &OS, const GlobalValue *GV, |
51 | const Triple &TT, Mangler &Mangler); |
52 | |
53 | void emitLinkerFlagsForUsedCOFF(raw_ostream &OS, const GlobalValue *GV, |
54 | const Triple &T, Mangler &M); |
55 | |
56 | } // End llvm namespace |
57 | |
58 | #endif |
59 | |