| // 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. |
| // VMOptions=--optimization_counter_threshold=10 --no-background_compilation |
| |
| // @dart = 2.9 |
| |
| // Test branch optimization for TestSmiInstr |
| |
| import "package:expect/expect.dart"; |
| |
| test1(a, bool b) { |
| if (b) { |
| a++; |
| } else { |
| a += 2; |
| } |
| if (a & 1 == 0) { |
| return "even"; |
| } |
| return "odd"; |
| } |
| |
| test2(a, bool b) { |
| if (b) { |
| a++; |
| } else { |
| a += 2; |
| } |
| if (a & 1 == 1) { |
| return "odd"; |
| } |
| return "even"; |
| } |
| |
| test3(a, bool b) { |
| return test1(0, b); |
| } |
| |
| test4(a, bool b) { |
| return test2(0, b); |
| } |
| |
| run(test) { |
| Expect.equals("odd", test(0, true)); |
| Expect.equals("even", test(0, false)); |
| for (var i = 0; i < 20; i++) test(0, false); |
| Expect.equals("odd", test(0, true)); |
| Expect.equals("even", test(0, false)); |
| } |
| |
| main() { |
| run(test1); |
| run(test2); |
| run(test3); |
| run(test4); |
| } |