mangle-subst-std.cpp revision adf5dc340db3ea99de5fe3f6c42cfee1807d445e
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