| // RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s |
| |
| // CHECK: @llvm.global_ctors = appending global [2 x { i32, void ()* }] |
| // CHECK: [{ i32, void ()* } { i32 65535, void ()* [[INIT_foo:@.*global_var.*]] }, |
| // CHECK: { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] |
| |
| struct S { |
| S() {} |
| ~S() {} |
| } s; |
| |
| // CHECK: define internal void [[INIT_s:@.*global_var.*]] [[NUW:#[0-9]+]] |
| // CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %struct.S* @"\01??0S@@QAE@XZ" |
| // CHECK: call i32 @atexit(void ()* @"__dtor_\01?s@@3US@@A") |
| // CHECK: ret void |
| |
| // CHECK: define internal void @"__dtor_\01?s@@3US@@A"() [[NUW]] { |
| // CHECK: call x86_thiscallcc void @"\01??1S@@QAE@XZ" |
| // CHECK: ret void |
| |
| // Force WeakODRLinkage by using templates |
| class A { |
| public: |
| A() {} |
| ~A() {} |
| }; |
| |
| template<typename T> |
| class B { |
| public: |
| static A foo; |
| }; |
| |
| template<typename T> A B<T>::foo; |
| |
| void force_usage() { |
| (void)B<int>::foo; // (void) - force usage |
| } |
| |
| // CHECK: define internal void [[INIT_foo]]() [[NUW]] |
| // CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ" |
| // CHECK: call i32 @atexit(void ()* [[FOO_DTOR:@"__dtor_.*foo@.*]]) |
| // CHECK: ret void |
| |
| // CHECK: define linkonce_odr x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ" |
| |
| // CHECK: define linkonce_odr x86_thiscallcc void @"\01??1A@@QAE@XZ" |
| |
| // CHECK: define internal void [[FOO_DTOR]] |
| // CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"{{.*}}foo |
| // CHECK: ret void |
| |
| // CHECK: define internal void @_GLOBAL__I_a() [[NUW]] { |
| // CHECK: call void [[INIT_s]] |
| // CHECK: ret void |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |