| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // Test constant propagation of load-indexed operations |
| // VMOptions=--optimization-counter-threshold=10 |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| main() { |
| Expect.equals(101, stringIndexedLoad()); |
| Expect.equals(102, arrayIndexedLoad()); |
| for (int i = 0; i < 20; i++) { |
| stringIndexedLoad(); |
| arrayIndexedLoad(); |
| } |
| Expect.equals(101, stringIndexedLoad()); |
| Expect.equals(102, arrayIndexedLoad()); |
| } |
| |
| stringIndexedLoad() => ("Hello").codeUnitAt(1); |
| arrayIndexedLoad() => (const [101, 102, 103])[1]; |