| // Copyright (c) 2012, 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 lazy deoptimization from within an inlined function. |
| // VMOptions=--deoptimize_alot --optimization-counter-threshold=10 --no-use-osr |
| |
| import "package:expect/expect.dart"; |
| |
| call_native(x) { |
| // Wrap in try to avoid inlining. |
| // Use a large int so the intrinsifier does not fire. |
| try { |
| return x + 9223372036854775807; |
| } finally {} |
| } |
| |
| bar(x) { |
| if (x < 0) call_native(x); |
| x = 42; |
| return x; |
| } |
| |
| foo(x) { |
| x = bar(x); |
| return x; |
| } |
| |
| main() { |
| Expect.equals(42, foo(1)); |
| for (var i = 0; i < 20; i++) foo(7); |
| Expect.equals(42, foo(2)); |
| // Call the runtime to trigger lazy deopt with foo/bar on the stack. |
| Expect.equals(42, foo(-1)); |
| } |