1 // RUN: %clang_cc1 %s -std=c++1y -triple=i686-pc-win32 -emit-llvm -o - | FileCheck %s 2 3 struct A { 4 A(); 5 ~A(); 6 }; 7 8 // CHECK-DAG: $"\01??$a@X@@3UA@@A" = comdat any 9 // CHECK-DAG: @"\01??$a@X@@3UA@@A" = linkonce_odr thread_local global %struct.A zeroinitializer, comdat, align 1 10 // CHECK-DAG: @"\01??__E?$a@X@@YAXXZ$initializer$" = internal constant void ()* @"\01??__E?$a@X@@YAXXZ", section ".CRT$XDU", comdat($"\01??$a@X@@3UA@@A") 11 template <typename T> 12 thread_local A a = A(); 13 14 // CHECK-DAG: @"\01?b@@3UA@@A" = thread_local global %struct.A zeroinitializer, align 1 15 // CHECK-DAG: @"__tls_init$initializer$" = internal constant void ()* @__tls_init, section ".CRT$XDU" 16 thread_local A b; 17 18 // CHECK-LABEL: define internal void @__tls_init() 19 // CHECK: call void @"\01??__Eb@@YAXXZ" 20 21 thread_local A &c = b; 22 thread_local A &d = c; 23 24 A f() { 25 (void)a<void>; 26 (void)b; 27 return c; 28 } 29
