1 // RUN: %clang_cc1 -emit-llvm -triple i686-pc-linux-gnu -o - %s | FileCheck %s
2
3 // This check logically is attached to 'template int S<int>::i;' below.
4 // CHECK: @_ZN1SIiE1iE = weak_odr global i32
5
6 template<typename T, typename U, typename Result>
7 struct plus {
8 Result operator()(const T& t, const U& u) const;
9 };
10
11 template<typename T, typename U, typename Result>
operator ()(const T & t,const U & u) const12 Result plus<T, U, Result>::operator()(const T& t, const U& u) const {
13 return t + u;
14 }
15
16 // CHECK: define weak_odr i32 @_ZNK4plusIillEclERKiRKl
17 template struct plus<int, long, long>;
18
19 // Check that we emit definitions from explicit instantiations even when they
20 // occur prior to the definition itself.
21 template <typename T> struct S {
22 void f();
23 static void g();
24 static int i;
25 struct S2 {
26 void h();
27 };
28 };
29
30 // CHECK: define weak_odr void @_ZN1SIiE1fEv
31 template void S<int>::f();
32
33 // CHECK: define weak_odr void @_ZN1SIiE1gEv
34 template void S<int>::g();
35
36 // See the check line at the top of the file.
37 template int S<int>::i;
38
39 // CHECK: define weak_odr void @_ZN1SIiE2S21hEv
40 template void S<int>::S2::h();
41
f()42 template <typename T> void S<T>::f() {}
g()43 template <typename T> void S<T>::g() {}
44 template <typename T> int S<T>::i;
h()45 template <typename T> void S<T>::S2::h() {}
46