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
16 namespace 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
A()21 A::A() { }
22 };
23
24 namespace std {
25 template<typename> struct allocator { };
26 }
27
28 // CHECK-LABEL: define void @_Z1fSaIcESaIiE
f(std::allocator<char>,std::allocator<int>)29 void f(std::allocator<char>, std::allocator<int>) { }
30
31 namespace std {
32 template<typename, typename, typename> struct basic_string { };
33 }
34
35 // CHECK-LABEL: define void @_Z1fSbIcciE
f(std::basic_string<char,char,int>)36 void f(std::basic_string<char, char, int>) { }
37
38 namespace 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
f(std::string)45 void f(std::string) { }
46
47 namespace 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> {
basic_istreamstd::basic_istream54 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> {
basic_ostreamstd::basic_ostream60 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> {
basic_iostreamstd::basic_iostream68 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
f(std::basic_istream<char,std::char_traits<char>>)75 void f(std::basic_istream<char, std::char_traits<char> >) { }
76
77 // CHECK: _Z1fSo
f(std::basic_ostream<char,std::char_traits<char>>)78 void f(std::basic_ostream<char, std::char_traits<char> >) { }
79
80 // CHECK: _Z1fSd
f(std::basic_iostream<char,std::char_traits<char>>)81 void f(std::basic_iostream<char, std::char_traits<char> >) { }
82
83 extern "C++" {
84 namespace std
85 {
86 typedef void (*terminate_handler) ();
87
88 // CHECK: _ZSt13set_terminatePFvvE
set_terminate(terminate_handler)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
95 template<typename, typename, typename> struct basic_string { };
96 typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
f(not_string)97 void f(not_string) { }
98
99 // Manglings for instantiations caused by this function are at the
100 // top of the test.
create_streams()101 void create_streams() {
102 std::basic_iostream<char> bio(17);
103 }
104
105 // Make sure we don't mangle 'std' as 'St' here.
106 namespace N {
107 namespace std {
108 struct A { void f(); };
109
110 // CHECK-LABEL: define void @_ZN1N3std1A1fEv
f()111 void A::f() { }
112 }
113 }
114