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
15 namespace std {
16 struct A { A(); };
17
18 // CHECK-LABEL: define void @_ZNSt1AC2Ev(%"struct.std::A"* %this) unnamed_addr
19 // CHECK-LABEL: define void @_ZNSt1AC1Ev(%"struct.std::A"* %this) unnamed_addr
A()20 A::A() { }
21 };
22
23 namespace std {
24 template<typename> struct allocator { };
25 }
26
27 // CHECK-LABEL: define void @_Z1fSaIcESaIiE
f(std::allocator<char>,std::allocator<int>)28 void f(std::allocator<char>, std::allocator<int>) { }
29
30 namespace std {
31 template<typename, typename, typename> struct basic_string { };
32 }
33
34 // CHECK-LABEL: define void @_Z1fSbIcciE
f(std::basic_string<char,char,int>)35 void f(std::basic_string<char, char, int>) { }
36
37 namespace 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
f(std::string)44 void f(std::string) { }
45
46 namespace 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> {
basic_istreamstd::basic_istream53 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> {
basic_ostreamstd::basic_ostream59 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> {
basic_iostreamstd::basic_iostream67 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
f(std::basic_istream<char,std::char_traits<char>>)74 void f(std::basic_istream<char, std::char_traits<char> >) { }
75
76 // CHECK: _Z1fSo
f(std::basic_ostream<char,std::char_traits<char>>)77 void f(std::basic_ostream<char, std::char_traits<char> >) { }
78
79 // CHECK: _Z1fSd
f(std::basic_iostream<char,std::char_traits<char>>)80 void f(std::basic_iostream<char, std::char_traits<char> >) { }
81
82 extern "C++" {
83 namespace std
84 {
85 typedef void (*terminate_handler) ();
86
87 // CHECK: _ZSt13set_terminatePFvvE
set_terminate(terminate_handler)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-LABEL: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
94 template<typename, typename, typename> struct basic_string { };
95 typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
f(not_string)96 void f(not_string) { }
97
98 // Manglings for instantiations caused by this function are at the
99 // top of the test.
create_streams()100 void create_streams() {
101 std::basic_iostream<char> bio(17);
102 }
103
104 // Make sure we don't mangle 'std' as 'St' here.
105 namespace N {
106 namespace std {
107 struct A { void f(); };
108
109 // CHECK-LABEL: define void @_ZN1N3std1A1fEv
f()110 void A::f() { }
111 }
112 }
113