llvm-project/clang/test/CodeGenCXX/mangle-subst-std.cpp

112 lines
3.2 KiB
C++

// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 | FileCheck %s
// Check mangling of Vtables, VTTs, and construction vtables that
// involve standard substitutions.
// CHECK: @_ZTVSd = weak_odr unnamed_addr constant
// CHECK: @_ZTCSd0_Si = internal constant
// CHECK: @_ZTCSd16_So = internal constant
// CHECK: @_ZTTSd = weak_odr unnamed_addr constant
// CHECK: @_ZTVSo = weak_odr unnamed_addr constant
// CHECK: @_ZTTSo = weak_odr unnamed_addr constant
// CHECK: @_ZTVSi = weak_odr unnamed_addr constant
// CHECK: @_ZTTSi = weak_odr unnamed_addr constant
namespace std {
struct A { A(); };
// CHECK: define unnamed_addr void @_ZNSt1AC1Ev
// CHECK: define unnamed_addr void @_ZNSt1AC2Ev
A::A() { }
};
namespace std {
template<typename> struct allocator { };
}
// CHECK: define void @_Z1fSaIcESaIiE
void f(std::allocator<char>, std::allocator<int>) { }
namespace std {
template<typename, typename, typename> struct basic_string { };
}
// CHECK: define void @_Z1fSbIcciE
void f(std::basic_string<char, char, int>) { }
namespace std {
template<typename> struct char_traits { };
typedef std::basic_string<char, std::char_traits<char>, std::allocator<char> > string;
}
// CHECK: _Z1fSs
void f(std::string) { }
namespace std {
template<typename, typename> struct basic_ios {
basic_ios(int);
virtual ~basic_ios();
};
template<typename charT, typename traits = char_traits<charT> >
struct basic_istream : virtual public basic_ios<charT, traits> {
basic_istream(int x) : basic_ios<charT, traits>(x), stored(x) { }
int stored;
};
template<typename charT, typename traits = char_traits<charT> >
struct basic_ostream : virtual public basic_ios<charT, traits> {
basic_ostream(int x) : basic_ios<charT, traits>(x), stored(x) { }
float stored;
};
template<typename charT, typename traits = char_traits<charT> >
struct basic_iostream : public basic_istream<charT, traits>,
public basic_ostream<charT, traits> {
basic_iostream(int x) : basic_istream<charT, traits>(x),
basic_ostream<charT, traits>(x),
basic_ios<charT, traits>(x) { }
};
}
// CHECK: _Z1fSi
void f(std::basic_istream<char, std::char_traits<char> >) { }
// CHECK: _Z1fSo
void f(std::basic_ostream<char, std::char_traits<char> >) { }
// CHECK: _Z1fSd
void f(std::basic_iostream<char, std::char_traits<char> >) { }
extern "C++" {
namespace std
{
typedef void (*terminate_handler) ();
// CHECK: _ZSt13set_terminatePFvvE
terminate_handler set_terminate(terminate_handler) { return 0; }
}
}
// Make sure we don't treat the following like std::string
// CHECK: define void @_Z1f12basic_stringIcSt11char_traitsIcESaIcEE
template<typename, typename, typename> struct basic_string { };
typedef basic_string<char, std::char_traits<char>, std::allocator<char> > not_string;
void f(not_string) { }
// Manglings for instantiations caused by this function are at the
// top of the test.
void create_streams() {
std::basic_iostream<char> bio(17);
}
// Make sure we don't mangle 'std' as 'St' here.
namespace N {
namespace std {
struct A { void f(); };
// CHECK: define void @_ZN1N3std1A1fEv
void A::f() { }
}
}