clang/test/SemaCXX/attr-on-explicit-template-instantiation.cpp

   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;