1// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
2
3// This structure's size is not a power of two, so the property does
4// not get native atomics, even though x86-64 can do unaligned atomics
5// with a lock prefix.
6struct s3 { char c[3]; };
7
8// This structure's size is, so it does, because it can.
9// FIXME: But we don't at the moment; the backend doesn't know how to generate
10// correct code.
11struct s4 { char c[4]; };
12
13@interface Test0
14@property struct s3 s3;
15@property struct s4 s4;
16@end
17@implementation Test0
18@synthesize s3, s4;
19@end
20
21// CHECK: define internal i24 @"\01-[Test0 s3]"(
22// CHECK: call void @objc_copyStruct
23
24// CHECK: define internal void @"\01-[Test0 setS3:]"(
25// CHECK: call void @objc_copyStruct
26
27// CHECK: define internal i32 @"\01-[Test0 s4]"(
28// CHECK: call void @objc_copyStruct
29
30// CHECK: define internal void @"\01-[Test0 setS4:]"(
31// CHECK: call void @objc_copyStruct
32