| // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s |
| |
| template <typename T> |
| struct HasStaticInit { |
| static const int index; |
| }; |
| extern "C" |
| int the_count = 0; |
| template <typename T> |
| const int HasStaticInit<T>::index = the_count++; |
| |
| template <typename T> int func_tmpl1() { return HasStaticInit<T>::index; } |
| template <typename T> int func_tmpl2() { return HasStaticInit<T>::index; } |
| template <typename T> int func_tmpl3() { return HasStaticInit<T>::index; } |
| void useit() { |
| func_tmpl1<int>(); |
| func_tmpl2<int>(); |
| func_tmpl3<int>(); |
| } |
| |
| // Throw in a final explicit instantiation to see that it doesn't screw things |
| // up. |
| template struct HasStaticInit<int>; |
| |
| // There should only be one entry, not 3. |
| // CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] |
| |
| // There should only be one update to @the_count. |
| // CHECK-NOT: store i32 %{{.*}}, i32* @the_count |
| // CHECK: store i32 %{{.*}}, i32* @the_count |
| // CHECK-NOT: store i32 %{{.*}}, i32* @the_count |
