clang/test/CodeGenCXX/visibility-hidden-extern-templates.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

// RUN: %clang_cc1 -O1 -emit-llvm -o - -fvisibility hidden %s | FileCheck %s

template<typename T>
struct X {
  void f();
  void g() { }
};

template<typename T> void X<T>::f() { }

extern template struct X<int>;
template struct X<int>;
extern template struct X<char>;

// <rdar://problem/8109763>
void test_X(X<int> xi, X<char> xc) {
  // CHECK: define weak_odr hidden void @_ZN1XIiE1fEv
  xi.f();
  // CHECK: define weak_odr hidden void @_ZN1XIiE1gEv
  xi.g();
  // CHECK: declare void @_ZN1XIcE1fEv
  xc.f();
  // CHECK: define available_externally void @_ZN1XIcE1gEv
  xc.g();
}