| 1 | // RUN: %clang_cc1 -fobjc-arc -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s |
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| 2 | |
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| 3 | @interface NSMutableArray |
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| 4 | - (id)objectAtIndexedSubscript:(int)index; |
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| 5 | - (void)setObject:(id)object atIndexedSubscript:(int)index; |
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| 6 | @end |
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| 7 | |
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| 8 | id func() { |
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| 9 | NSMutableArray *array; |
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| 10 | array[3] = 0; |
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| 11 | return array[3]; |
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| 12 | } |
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| 13 | |
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| 14 | // CHECK: [[call:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend |
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| 15 | // CHECK: [[SIX:%.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* [[call]]) [[NUW:#[0-9]+]] |
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| 16 | // CHECK: [[ARRAY_CASTED:%.*]] = bitcast %0** {{%.*}} to i8** |
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| 17 | // CHECK: call void @llvm.objc.storeStrong(i8** [[ARRAY_CASTED]], i8* null) |
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| 18 | // CHECK: [[EIGHT:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[SIX]]) [[NUW]] |
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| 19 | // CHECK: ret i8* [[EIGHT]] |
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| 20 | |
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| 21 | // CHECK: attributes [[NUW]] = { nounwind } |
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| 22 | |
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