| // 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(void) { |
| NSMutableArray *array; |
| array[3] = 0; |
| return array[3]; |
| } |
| |
| // CHECK: [[call:%.*]] = call ptr @objc_msgSend |
| // CHECK: [[SIX:%.*]] = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr [[call]]) [[NUW:#[0-9]+]] |
| // CHECK: call void @llvm.objc.storeStrong(ptr {{%.*}}, ptr null) |
| // CHECK: [[EIGHT:%.*]] = tail call ptr @llvm.objc.autoreleaseReturnValue(ptr [[SIX]]) [[NUW]] |
| // CHECK: ret ptr [[EIGHT]] |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |
