xref: /llvm-project/clang/test/CodeGenCXX/visibility-hidden-extern-templates.cpp (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1 // RUN: %clang_cc1 -O1 -disable-llvm-passes -triple %itanium_abi_triple -emit-llvm -o - -fvisibility=hidden %s | FileCheck %s
2 
3 template<typename T>
4 struct X {
5   void f();
gX6   void g() { }
7 };
8 
f()9 template<typename T> void X<T>::f() { }
10 
11 extern template struct X<int>;
12 template struct X<int>;
13 extern template struct X<char>;
14 
test_X(X<int> xi,X<char> xc)15 void test_X(X<int> xi, X<char> xc) {
16   // CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1fEv
17   xi.f();
18   // CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1gEv
19   xi.g();
20   // CHECK: declare {{.*}}void @_ZN1XIcE1fEv
21   xc.f();
22   // CHECK-LABEL: define available_externally {{.*}}void @_ZN1XIcE1gEv
23   xc.g();
24 }
25 
26