v8/test/mjsunit/regress/regress-crbug-638551.js
Fanchen Kong 9f902b7483 [turbofan] Making OSR concurrent
... to reduce compilation overhead on the main thread for OSR

Bug: v8:12161
Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Fanchen Kong <fanchen.kong@intel.com>
Cr-Commit-Position: refs/heads/main@{#79188}
2022-02-21 09:40:10 +00:00

22 lines
626 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --expose-gc --no-lazy
function f() {
for (var i = 0; i < 10; i++) if (i == 5 || i == 6) %OptimizeOsr(0, "concurrent");
function g() {}
%PrepareFunctionForOptimization(g);
%OptimizeFunctionOnNextCall(g);
g();
}
%PrepareFunctionForOptimization(f);
f();
gc(); // Make sure that ...
gc(); // ... code flushing ...
gc(); // ... clears code ...
gc(); // ... attached to {g}.
%PrepareFunctionForOptimization(f);
f();