|  | // RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s | FileCheck -check-prefix=WITH-TSS %s | 
|  | // RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s | 
|  |  | 
|  | int f(); | 
|  |  | 
|  | // WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4 | 
|  | // WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0 | 
|  |  | 
|  | // WITH-TSS: define void @_Z1gv() [[NUW:#[0-9]+]] | 
|  | // WITH-TSS: call i32 @__cxa_guard_acquire | 
|  | // WITH-TSS: call void @__cxa_guard_release | 
|  | // WITH-TSS: ret void | 
|  | void g() { | 
|  | static int a = f(); | 
|  | } | 
|  |  | 
|  | // NO-TSS: @_ZZ1gvE1a = internal global i32 0, align 4 | 
|  | // NO-TSS: @_ZGVZ1gvE1a = internal global i8 0 | 
|  |  | 
|  | // NO-TSS: define void @_Z1gv() [[NUW:#[0-9]+]] | 
|  | // NO-TSS-NOT: call i32 @__cxa_guard_acquire | 
|  | // NO-TSS-NOT: call void @__cxa_guard_release | 
|  | // NO-TSS: ret void | 
|  |  | 
|  | // WITH-TSS: attributes [[NUW]] = { nounwind } | 
|  |  | 
|  | // NO-TSS: attributes [[NUW]] = { nounwind } |