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