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