xref: /aosp_15_r20/external/clang/test/CodeGenCXX/threadsafe-statics.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s | FileCheck -check-prefix=WITH-TSS %s
2*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s
3*67e74705SXin Li 
4*67e74705SXin Li int f();
5*67e74705SXin Li 
6*67e74705SXin Li // WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
7*67e74705SXin Li // WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0
8*67e74705SXin Li 
9*67e74705SXin Li // WITH-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
10*67e74705SXin Li // WITH-TSS: call i32 @__cxa_guard_acquire
11*67e74705SXin Li // WITH-TSS: call void @__cxa_guard_release
12*67e74705SXin Li // WITH-TSS: ret void
g()13*67e74705SXin Li void g() {
14*67e74705SXin Li   static int a = f();
15*67e74705SXin Li }
16*67e74705SXin Li 
17*67e74705SXin Li // NO-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
18*67e74705SXin Li // NO-TSS: @_ZGVZ1gvE1a = internal global i8 0
19*67e74705SXin Li 
20*67e74705SXin Li // NO-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
21*67e74705SXin Li // NO-TSS-NOT: call i32 @__cxa_guard_acquire
22*67e74705SXin Li // NO-TSS-NOT: call void @__cxa_guard_release
23*67e74705SXin Li // NO-TSS: ret void
24*67e74705SXin Li 
25*67e74705SXin Li // WITH-TSS: attributes [[NUW]] = { nounwind{{.*}} }
26*67e74705SXin Li 
27*67e74705SXin Li // NO-TSS: attributes [[NUW]] = { nounwind{{.*}} }
28