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
7// CHECK: @_ZTVSd = linkonce_odr unnamed_addr constant
8// CHECK: @_ZTTSd = linkonce_odr unnamed_addr constant
9// CHECK: @_ZTCSd0_Si = linkonce_odr unnamed_addr constant
10// CHECK: @_ZTCSd16_So = linkonce_odr unnamed_addr constant
11// CHECK: @_ZTVSi = linkonce_odr unnamed_addr constant
12// CHECK: @_ZTTSi = linkonce_odr unnamed_addr constant
13// CHECK: @_ZTVSo = linkonce_odr unnamed_addr constant
14// CHECK: @_ZTTSo = linkonce_odr unnamed_addr constant
15
16namespace std {
17  struct A { A(); };
18
19  // CHECK-LABEL: define void @_ZNSt1AC2Ev(%"struct.std::A"* %this) unnamed_addr
20  // CHECK-LABEL: define void @_ZNSt1AC1Ev(%"struct.std::A"* %this) unnamed_addr
21  A::A() { }
22};
23
24namespace std {
25  template<typename> struct allocator { };
26}
27
28// CHECK-LABEL: define void @_Z1fSaIcESaIiE
29void f(std::allocator<char>, std::allocator<int>) { }
30
31namespace std {
32  template<typename, typename, typename> struct basic_string { };
33}
34
35// CHECK-LABEL: define void @_Z1fSbIcciE
36void f(std::basic_string<char, char, int>) { }
37
38namespace std {
39  template<typename> struct char_traits { };
40
41  typedef std::basic_string<char, std::char_traits<char>, std::allocator<char> > string;
42}
43
44// CHECK: _Z1fSs
45void f(std::string) { }
46
47namespace std {
48  template<typename, typename> struct basic_ios {
49    basic_ios(int);
50    virtual ~basic_ios();
51  };
52  template<typename charT, typename traits = char_traits<charT> >
53  struct basic_istream : virtual public basic_ios<charT, traits> {
54    basic_istream(int x) : basic_ios<charT, traits>(x), stored(x) { }
55
56    int stored;
57  };
58  template<typename charT, typename traits = char_traits<charT> >
59  struct basic_ostream : virtual public basic_ios<charT, traits> {
60    basic_ostream(int x) : basic_ios<charT, traits>(x), stored(x) { }
61
62    float stored;
63  };
64
65  template<typename charT, typename traits = char_traits<charT> >
66    struct basic_iostream : public basic_istream<charT, traits>,
67                            public basic_ostream<charT, traits> {
68    basic_iostream(int x) : basic_istream<charT, traits>(x),
69                            basic_ostream<charT, traits>(x),
70                            basic_ios<charT, traits>(x) { }
71  };
72}
73
74// CHECK: _Z1fSi
75void f(std::basic_istream<char, std::char_traits<char> >) { }
76
77// CHECK: _Z1fSo
78void f(std::basic_ostream<char, std::char_traits<char> >) { }
79
80// CHECK: _Z1fSd
81void f(std::basic_iostream<char, std::char_traits<char> >) { }
82
83extern "C++" {
84namespace std
85{
86  typedef void (*terminate_handler) ();
87
88  // CHECK: _ZSt13set_terminatePFvvE
89  terminate_handler set_terminate(terminate_handler) { return 0; }
90}
91}
92
93// Make sure we don't treat the following like std::string
94// CHECK-LABEL: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
95template<typename, typename, typename> struct basic_string { };
96typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
97void f(not_string) { }
98
99// Manglings for instantiations caused by this function are at the
100// top of the test.
101void create_streams() {
102  std::basic_iostream<char> bio(17);
103}
104
105// Make sure we don't mangle 'std' as 'St' here.
106namespace N {
107  namespace std {
108    struct A { void f(); };
109
110    // CHECK-LABEL: define void @_ZN1N3std1A1fEv
111    void A::f() { }
112  }
113}
114