1 | // RUN: %clang_cc1 -std=c++1y -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | // Check that we keep the 'extern' when we instantiate the definition of this |
4 | // variable template specialization. |
5 | template<typename T> extern const int extern_redecl; |
6 | template<typename T> const int extern_redecl = 5; |
7 | template const int extern_redecl<int>; |
8 | |
9 | // CHECK: @_Z13extern_redeclIiE = weak_odr constant |
10 | |
11 | template<typename T> struct Outer { |
12 | template<typename U> struct Inner { |
13 | template<typename V> static int arr[]; |
14 | }; |
15 | }; |
16 | Outer<char[100]> outer_int; |
17 | int init_arr(); |
18 | template<typename T> template<typename U> template<typename V> int Outer<T>::Inner<U>::arr[sizeof(T) + sizeof(U) + sizeof(V)] = { init_arr() }; |
19 | int *p = Outer<char[100]>::Inner<char[20]>::arr<char[3]>; |
20 | |
21 | namespace PR35456 { |
22 | // CHECK: @_ZN7PR354561nILi0EEE = linkonce_odr global i32 0 |
23 | template<int> int n; |
24 | int *p = &n<0>; |
25 | } |
26 | |
27 | // CHECK: @_ZN5OuterIA100_cE5InnerIA20_cE3arrIA3_cEE = linkonce_odr global [123 x i32] zeroinitializer |
28 | // CHECK: @_ZGVN5OuterIA100_cE5InnerIA20_cE3arrIA3_cEE = linkonce_odr global |
29 | |
30 | // CHECK: call {{.*}}@_Z8init_arrv |
31 | |