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1// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s2 3// This structure's size is not a power of two, so the property does4// not get native atomics, even though x86-64 can do unaligned atomics5// 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 generate10// correct code.11struct s4 { char c[4]; };12 13@interface Test014@property struct s3 s3;15@property struct s4 s4;16@end17@implementation Test018@synthesize s3, s4;19@end20 21// CHECK: define internal i24 @"\01-[Test0 s3]"(22// CHECK: call void @objc_copyStruct23 24// CHECK: define internal void @"\01-[Test0 setS3:]"(25// CHECK: call void @objc_copyStruct26 27// CHECK: define internal i32 @"\01-[Test0 s4]"(28// CHECK: call void @objc_copyStruct29 30// CHECK: define internal void @"\01-[Test0 setS4:]"(31// CHECK: call void @objc_copyStruct32