22 lines
		
	
	
		
			776 B
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			22 lines
		
	
	
		
			776 B
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -fobjc-arc -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s
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| 
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| @interface NSMutableArray
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| - (id)objectAtIndexedSubscript:(int)index;
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| - (void)setObject:(id)object atIndexedSubscript:(int)index;
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| @end
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| 
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| id func() {
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|   NSMutableArray *array;
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|   array[3] = 0;
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|   return array[3];
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| }
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| 
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| // CHECK: [[call:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
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| // CHECK: [[SIX:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[call]]) [[NUW:#[0-9]+]]
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| // CHECK: [[ARRAY_CASTED:%.*]] = bitcast %0** {{%.*}} to i8**
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| // CHECK: call void @objc_storeStrong(i8** [[ARRAY_CASTED]], i8* null)
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| // CHECK: [[EIGHT:%.*]] = tail call i8* @objc_autoreleaseReturnValue(i8* [[SIX]]) [[NUW]]
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| // CHECK: ret i8* [[EIGHT]]
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| 
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| // CHECK: attributes [[NUW]] = { nounwind }
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