| // 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 correct handling of phis with only environment uses that were inserted |
| // by store to load forwarding. |
| // VMOptions=--optimization_counter_threshold=100 --no-background_compilation |
| |
| library store_to_load_forwarding_phis_vm_test; |
| |
| import 'dart:async'; |
| |
| class A { |
| var _foo; |
| |
| get foo { |
| if (_foo == null) { |
| _foo = new A(); |
| } |
| return _foo; |
| } |
| } |
| |
| foo(obj) { |
| var a = obj.foo; |
| return new Future.value().then((val) {}); |
| } |
| |
| main() { |
| final obj = new A(); |
| for (var i = 0; i < 200; i++) { |
| foo(obj); |
| } |
| } |