v8/test/mjsunit/maglev/undefined-or-null-branch.js
Jakob Linke 6904a8120b [cleanup] Remove --stress-opt remnants
.. mostly mentions in mjsunit `Flags:` lines and in comments.

Bug: v8:10386
Change-Id: If79dfdc448d0a3f19883ef1f816e77e750cb4061
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3865964
Commit-Queue: Jakob Linke <jgruber@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82852}
2022-08-31 08:37:44 +00:00

20 lines
546 B
JavaScript

// Copyright 2022 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 --maglev --no-always-turbofan
function foo(x) {
return x ?? 10
}
%PrepareFunctionForOptimization(foo);
assertEquals(10, foo(undefined));
assertEquals(10, foo(null));
assertEquals(1, foo(1));
%OptimizeMaglevOnNextCall(foo);
assertEquals(10, foo(undefined));
assertEquals(10, foo(null));
assertEquals(1, foo(1));
assertTrue(isMaglevved(foo));