xref: /llvm-project/clang/test/SemaCXX/attr-on-explicit-template-instantiation.cpp (revision dbc96b518b619d37aacf670e1a9d3b90b5614dd2)
1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s
2 
3 // PR39118
4 // Make sure that attributes are properly applied to explicit template
5 // instantiations.
6 
7 #define HIDDEN __attribute__((__visibility__("hidden")))
8 #define VISIBLE __attribute__((__visibility__("default")))
9 
10 namespace ns HIDDEN {
11     struct A { };
12     template <typename T> struct B { static A a; };
13     template <typename T> A B<T>::a;
14 
15     // CHECK: @_ZN2ns1BIiE1aE = weak_odr global
16     // CHECK-NOT: hidden
17     template VISIBLE A B<int>::a;
18 }
19 
20 struct C { };
21 template <typename T> struct D { static C c; };
22 template <typename T> C D<T>::c;
23 
24 // CHECK-DAG: @_ZN1DIiE1cB3TAGE
25 template __attribute__((abi_tag("TAG"))) C D<int>::c;
26