1// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 | FileCheck %s
2
3// Check mangling of Vtables, VTTs, and construction vtables that
4// involve standard substitutions.
5
6// CHECK: @_ZTVSd = linkonce_odr unnamed_addr constant
7// CHECK: @_ZTTSd = linkonce_odr unnamed_addr constant
8// CHECK: @_ZTCSd0_Si = linkonce_odr unnamed_addr constant
9// CHECK: @_ZTCSd16_So = linkonce_odr unnamed_addr constant
10// CHECK: @_ZTVSo = linkonce_odr unnamed_addr constant
11// CHECK: @_ZTTSo = linkonce_odr unnamed_addr constant
12// CHECK: @_ZTVSi = linkonce_odr unnamed_addr constant
13// CHECK: @_ZTTSi = linkonce_odr unnamed_addr constant
14
15namespace std {
16  struct A { A(); };
17
18  // CHECK: define void @_ZNSt1AC1Ev(%"struct.std::A"* %this) unnamed_addr
19  // CHECK: define void @_ZNSt1AC2Ev(%"struct.std::A"* %this) unnamed_addr
20  A::A() { }
21};
22
23namespace std {
24  template<typename> struct allocator { };
25}
26
27// CHECK: define void @_Z1fSaIcESaIiE
28void f(std::allocator<char>, std::allocator<int>) { }
29
30namespace std {
31  template<typename, typename, typename> struct basic_string { };
32}
33
34// CHECK: define void @_Z1fSbIcciE
35void f(std::basic_string<char, char, int>) { }
36
37namespace std {
38  template<typename> struct char_traits { };
39
40  typedef std::basic_string<char, std::char_traits<char>, std::allocator<char> > string;
41}
42
43// CHECK: _Z1fSs
44void f(std::string) { }
45
46namespace std {
47  template<typename, typename> struct basic_ios {
48    basic_ios(int);
49    virtual ~basic_ios();
50  };
51  template<typename charT, typename traits = char_traits<charT> >
52  struct basic_istream : virtual public basic_ios<charT, traits> {
53    basic_istream(int x) : basic_ios<charT, traits>(x), stored(x) { }
54
55    int stored;
56  };
57  template<typename charT, typename traits = char_traits<charT> >
58  struct basic_ostream : virtual public basic_ios<charT, traits> {
59    basic_ostream(int x) : basic_ios<charT, traits>(x), stored(x) { }
60
61    float stored;
62  };
63
64  template<typename charT, typename traits = char_traits<charT> >
65    struct basic_iostream : public basic_istream<charT, traits>,
66                            public basic_ostream<charT, traits> {
67    basic_iostream(int x) : basic_istream<charT, traits>(x),
68                            basic_ostream<charT, traits>(x),
69                            basic_ios<charT, traits>(x) { }
70  };
71}
72
73// CHECK: _Z1fSi
74void f(std::basic_istream<char, std::char_traits<char> >) { }
75
76// CHECK: _Z1fSo
77void f(std::basic_ostream<char, std::char_traits<char> >) { }
78
79// CHECK: _Z1fSd
80void f(std::basic_iostream<char, std::char_traits<char> >) { }
81
82extern "C++" {
83namespace std
84{
85  typedef void (*terminate_handler) ();
86
87  // CHECK: _ZSt13set_terminatePFvvE
88  terminate_handler set_terminate(terminate_handler) { return 0; }
89}
90}
91
92// Make sure we don't treat the following like std::string
93// CHECK: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
94template<typename, typename, typename> struct basic_string { };
95typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
96void f(not_string) { }
97
98// Manglings for instantiations caused by this function are at the
99// top of the test.
100void create_streams() {
101  std::basic_iostream<char> bio(17);
102}
103
104// Make sure we don't mangle 'std' as 'St' here.
105namespace N {
106  namespace std {
107    struct A { void f(); };
108
109    // CHECK: define void @_ZN1N3std1A1fEv
110    void A::f() { }
111  }
112}
113