freebsd-nq/test/CodeGenCXX/template-linkage.cpp
2010-05-27 15:17:06 +00:00

45 lines
1001 B
C++

// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
template<typename T> struct A {
virtual void f(T) { }
inline void g() { }
};
// Explicit instantiations have external linkage.
// CHECK: define weak_odr void @_ZN1AIiE1gEv(
template void A<int>::g();
// CHECK: define weak_odr void @_ZN1AIfE1fEf(
// CHECK: define weak_odr void @_ZN1AIfE1gEv(
// FIXME: This should also emit the vtable.
template struct A<float>;
// CHECK: define weak_odr void @_Z1fIiEvT_
template <typename T> void f(T) { }
template void f<int>(int);
// CHECK: define weak_odr void @_Z1gIiEvT_
template <typename T> inline void g(T) { }
template void g<int>(int);
template<typename T>
struct X0 {
virtual ~X0() { }
};
template<typename T>
struct X1 : X0<T> {
virtual void blarg();
};
template<typename T> void X1<T>::blarg() { }
extern template struct X0<char>;
extern template struct X1<char>;
// CHECK: define linkonce_odr void @_ZN2X1IcED1Ev(
void test_X1() {
X1<char> i1c;
}