| John McCall | c84ed6a | 2012-05-01 06:13:13 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s |
| 2 | |
| 3 | struct S { |
| 4 | S() {} |
| 5 | ~S() {} |
| 6 | } s; |
| 7 | |
| 8 | // CHECK: define internal void [[INIT_s:@.*global_var.*]] nounwind |
| 9 | // CHECK: call void @"\01??0S@@QAE@XZ" |
| 10 | // CHECK: call i32 @atexit(void ()* @"__dtor_\01?s@@3US@@A") |
| 11 | // CHECK: ret void |
| 12 | |
| 13 | // CHECK: define internal void @"__dtor_\01?s@@3US@@A"() nounwind { |
| 14 | // CHECK: call void @"\01??1S@@QAE@XZ" |
| 15 | // CHECK: ret void |
| 16 | |
| 17 | // Force WeakODRLinkage by using templates |
| 18 | class A { |
| 19 | public: |
| 20 | A() {} |
| 21 | ~A() {} |
| 22 | }; |
| 23 | |
| 24 | template<typename T> |
| 25 | class B { |
| 26 | public: |
| 27 | static A foo; |
| 28 | }; |
| 29 | |
| 30 | template<typename T> A B<T>::foo; |
| 31 | |
| 32 | void force_usage() { |
| 33 | (void)B<int>::foo; // (void) - force usage |
| 34 | } |
| 35 | |
| 36 | // CHECK: define internal void [[INIT_foo:@.*global_var.*]] nounwind |
| 37 | // CHECK: call void @"\01??0A@@QAE@XZ" |
| 38 | // CHECK: call i32 @atexit(void ()* [[FOO_DTOR:@"__dtor_.*foo@.*]]) |
| 39 | // CHECK: ret void |
| 40 | |
| 41 | // CHECK: define linkonce_odr void @"\01??0A@@QAE@XZ" |
| 42 | |
| 43 | // CHECK: define linkonce_odr void @"\01??1A@@QAE@XZ" |
| 44 | |
| 45 | // CHECK: define internal void [[FOO_DTOR]] |
| 46 | // CHECK: call void @"\01??1A@@QAE@XZ"{{.*}}foo |
| 47 | // CHECK: ret void |
| 48 | |
| 49 | // CHECK: define internal void @_GLOBAL__I_a() nounwind { |
| 50 | // CHECK: call void [[INIT_s]] |
| 51 | // CHECK: call void [[INIT_foo]] |
| 52 | // CHECK: ret void |