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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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