mangle-subst-std.cpp revision ffb945ffb5d29b80fd93649c3572b6d87abce3fc 
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: @_ZTTSd = linkonce_odr unnamed_addr constant
7// CHECK: @_ZTVSd = 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: @_ZTTSo = linkonce_odr unnamed_addr constant
11// CHECK: @_ZTTSi = linkonce_odr unnamed_addr constant
12// CHECK: @_ZTVSo = linkonce_odr unnamed_addr constant
13// CHECK: @_ZTVSi = linkonce_odr unnamed_addr constant
14namespace std {
15  struct A { A(); };
16
17  // CHECK: define void @_ZNSt1AC1Ev(%"struct.N::std::A"* %this) unnamed_addr
18  // CHECK: define void @_ZNSt1AC2Ev(%"struct.N::std::A"* %this) unnamed_addr
19  A::A() { }
20};
21
22namespace std {
23  template<typename> struct allocator { };
24}
25
26// CHECK: define void @_Z1fSaIcESaIiE
27void f(std::allocator<char>, std::allocator<int>) { }
28
29namespace std {
30  template<typename, typename, typename> struct basic_string { };
31}
32
33// CHECK: define void @_Z1fSbIcciE
34void f(std::basic_string<char, char, int>) { }
35
36namespace std {
37  template<typename> struct char_traits { };
38
39  typedef std::basic_string<char, std::char_traits<char>, std::allocator<char> > string;
40}
41
42// CHECK: _Z1fSs
43void f(std::string) { }
44
45namespace std {
46  template<typename, typename> struct basic_ios {
47    basic_ios(int);
48    virtual ~basic_ios();
49  };
50  template<typename charT, typename traits = char_traits<charT> >
51  struct basic_istream : virtual public basic_ios<charT, traits> {
52    basic_istream(int x) : basic_ios<charT, traits>(x), stored(x) { }
53
54    int stored;
55  };
56  template<typename charT, typename traits = char_traits<charT> >
57  struct basic_ostream : virtual public basic_ios<charT, traits> {
58    basic_ostream(int x) : basic_ios<charT, traits>(x), stored(x) { }
59
60    float stored;
61  };
62
63  template<typename charT, typename traits = char_traits<charT> >
64    struct basic_iostream : public basic_istream<charT, traits>,
65                            public basic_ostream<charT, traits> {
66    basic_iostream(int x) : basic_istream<charT, traits>(x),
67                            basic_ostream<charT, traits>(x),
68                            basic_ios<charT, traits>(x) { }
69  };
70}
71
72// CHECK: _Z1fSi
73void f(std::basic_istream<char, std::char_traits<char> >) { }
74
75// CHECK: _Z1fSo
76void f(std::basic_ostream<char, std::char_traits<char> >) { }
77
78// CHECK: _Z1fSd
79void f(std::basic_iostream<char, std::char_traits<char> >) { }
80
81extern "C++" {
82namespace std
83{
84  typedef void (*terminate_handler) ();
85
86  // CHECK: _ZSt13set_terminatePFvvE
87  terminate_handler set_terminate(terminate_handler) { return 0; }
88}
89}
90
91// Make sure we don't treat the following like std::string
92// CHECK: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
93template<typename, typename, typename> struct basic_string { };
94typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
95void f(not_string) { }
96
97// Manglings for instantiations caused by this function are at the
98// top of the test.
99void create_streams() {
100  std::basic_iostream<char> bio(17);
101}
102
103// Make sure we don't mangle 'std' as 'St' here.
104namespace N {
105  namespace std {
106    struct A { void f(); };
107
108    // CHECK: define void @_ZN1N3std1A1fEv
109    void A::f() { }
110  }
111}
112