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