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