xref: /aosp_15_r20/external/clang/test/CodeGenCXX/visibility-hidden-extern-templates.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -O1 -triple %itanium_abi_triple -emit-llvm -o - -fvisibility hidden %s | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li template<typename T>
4*67e74705SXin Li struct X {
5*67e74705SXin Li   void f();
gX6*67e74705SXin Li   void g() { }
7*67e74705SXin Li };
8*67e74705SXin Li 
f()9*67e74705SXin Li template<typename T> void X<T>::f() { }
10*67e74705SXin Li 
11*67e74705SXin Li extern template struct X<int>;
12*67e74705SXin Li template struct X<int>;
13*67e74705SXin Li extern template struct X<char>;
14*67e74705SXin Li 
15*67e74705SXin Li // <rdar://problem/8109763>
test_X(X<int> xi,X<char> xc)16*67e74705SXin Li void test_X(X<int> xi, X<char> xc) {
17*67e74705SXin Li   // CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1fEv
18*67e74705SXin Li   xi.f();
19*67e74705SXin Li   // CHECK-LABEL: define weak_odr hidden {{.*}}void @_ZN1XIiE1gEv
20*67e74705SXin Li   xi.g();
21*67e74705SXin Li   // CHECK: declare {{.*}}void @_ZN1XIcE1fEv
22*67e74705SXin Li   xc.f();
23*67e74705SXin Li   // CHECK-LABEL: define available_externally {{.*}}void @_ZN1XIcE1gEv
24*67e74705SXin Li   xc.g();
25*67e74705SXin Li }
26*67e74705SXin Li 
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