LLVM.h revision 326947 
1//===--- LLVM.h - Import various common LLVM datatypes ----------*- 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// This file forward declares and imports various common LLVM datatypes that
11// lld wants to use unqualified.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLD_COMMON_LLVM_H
16#define LLD_COMMON_LLVM_H
17
18// This should be the only #include, force #includes of all the others on
19// clients.
20#include "llvm/ADT/Hashing.h"
21#include "llvm/Support/Casting.h"
22#include <utility>
23
24namespace llvm {
25  // ADT's.
26  class Error;
27  class StringRef;
28  class Twine;
29  class MemoryBuffer;
30  class MemoryBufferRef;
31  template<typename T> class ArrayRef;
32  template<unsigned InternalLen> class SmallString;
33  template<typename T, unsigned N> class SmallVector;
34  template<typename T> class SmallVectorImpl;
35
36  template<typename T>
37  struct SaveAndRestore;
38
39  template<typename T>
40  class ErrorOr;
41
42  template<typename T>
43  class Expected;
44
45  class raw_ostream;
46  // TODO: DenseMap, ...
47}
48
49namespace lld {
50  // Casting operators.
51  using llvm::isa;
52  using llvm::cast;
53  using llvm::dyn_cast;
54  using llvm::dyn_cast_or_null;
55  using llvm::cast_or_null;
56
57  // ADT's.
58  using llvm::Error;
59  using llvm::StringRef;
60  using llvm::Twine;
61  using llvm::MemoryBuffer;
62  using llvm::MemoryBufferRef;
63  using llvm::ArrayRef;
64  using llvm::SmallString;
65  using llvm::SmallVector;
66  using llvm::SmallVectorImpl;
67  using llvm::SaveAndRestore;
68  using llvm::ErrorOr;
69  using llvm::Expected;
70
71  using llvm::raw_ostream;
72} // end namespace lld.
73
74namespace std {
75template <> struct hash<llvm::StringRef> {
76public:
77  size_t operator()(const llvm::StringRef &s) const {
78    return llvm::hash_value(s);
79  }
80};
81}
82
83#endif
84