1 // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
2
3 // CHECK: Outer5Inner{{.*}}localE6memberE = external global
4
5 template<typename T> struct A {
fA6 virtual void f(T) { }
gA7 inline void g() { }
8 };
9
10 // Explicit instantiations have external linkage.
11
12 // CHECK-LABEL: define weak_odr void @_ZN1AIiE1gEv(
13 template void A<int>::g();
14
15 // CHECK-LABEL: define weak_odr void @_ZN1AIfE1fEf(
16 // CHECK-LABEL: define weak_odr void @_ZN1AIfE1gEv(
17 // FIXME: This should also emit the vtable.
18 template struct A<float>;
19
20 // CHECK-LABEL: define weak_odr void @_Z1fIiEvT_
f(T)21 template <typename T> void f(T) { }
22 template void f<int>(int);
23
24 // CHECK-LABEL: define weak_odr void @_Z1gIiEvT_
g(T)25 template <typename T> inline void g(T) { }
26 template void g<int>(int);
27
28 template<typename T>
29 struct X0 {
~X0X030 virtual ~X0() { }
31 };
32
33 template<typename T>
34 struct X1 : X0<T> {
35 virtual void blarg();
36 };
37
blarg()38 template<typename T> void X1<T>::blarg() { }
39
40 extern template struct X0<char>;
41 extern template struct X1<char>;
42
43 // CHECK-LABEL: define linkonce_odr void @_ZN2X1IcED1Ev(%struct.X1* %this) unnamed_addr
test_X1()44 void test_X1() {
45 X1<char> i1c;
46 }
47
48 namespace PR14825 {
49 struct Outer {
50 template <typename T> struct Inner {
51 static int member;
52 };
GetPR14825::Outer53 template <typename T> void Get() {
54 int m = Inner<T>::member;
55 }
56 };
57
test()58 void test() {
59 struct local {};
60 Outer o;
61 typedef void (Outer::*mptr)();
62 mptr method = &Outer::Get<local>;
63 }
64 }
65