| // RUN: %clang_cc1 -triple x86_64-apple-macosx10 -emit-llvm -x objective-c %s -o - | FileCheck %s | 
 |  | 
 | // CHECK: define internal zeroext i1 @"\01-[A0 p]"( | 
 | // CHECK:   %[[ATOMIC_LOAD:.*]] = load atomic i8, i8* %{{.*}} seq_cst | 
 | // CHECK:   %[[TOBOOL:.*]] = trunc i8 %[[ATOMIC_LOAD]] to i1 | 
 | // CHECK:   ret i1 %[[TOBOOL]] | 
 |  | 
 | // CHECK: define internal void @"\01-[A0 setP:]"({{.*}} i1 zeroext {{.*}}) | 
 | // CHECK:   store atomic i8 %{{.*}}, i8* %{{.*}} seq_cst | 
 | // CHECK:   ret void | 
 |  | 
 | // CHECK: define internal zeroext i1 @"\01-[A1 p]"( | 
 | // CHECK:   %[[ATOMIC_LOAD:.*]] = load atomic i8, i8* %{{.*}} unordered | 
 | // CHECK:   %[[TOBOOL:.*]] = trunc i8 %load to i1 | 
 | // CHECK:   ret i1 %[[TOBOOL]] | 
 |  | 
 | // CHECK: define internal void @"\01-[A1 setP:]"({{.*}} i1 zeroext %p) | 
 | // CHECK:   store atomic i8 %{{.*}}, i8* %{{.*}} unordered | 
 | // CHECK:   ret void | 
 |  | 
 | @interface A0 | 
 | @property(nonatomic) _Atomic(_Bool) p; | 
 | @end | 
 | @implementation A0 | 
 | @end | 
 |  | 
 | @interface A1 { | 
 |   _Atomic(_Bool) p; | 
 | } | 
 | @property _Atomic(_Bool) p; | 
 | @end | 
 | @implementation A1 | 
 | @synthesize p; | 
 | @end |