e3e8ea5d65
To be consistent with the all the other tiers and avoid confusion, we rename --opt to ---turbofan, and --always-opt to --always-turbofan. Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80336}
27 lines
872 B
JavaScript
27 lines
872 B
JavaScript
// Copyright 2015 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 --no-stress-opt --turbofan --no-always-turbofan
|
|
|
|
// --nostress-opt is specified because the test corrupts the "pristine"
|
|
// array prototype chain by storing an element, and this is tracked
|
|
// per-isolate. A subsequent stress run would send the load generic,
|
|
// and no more deoptimizations of foo would occur.
|
|
|
|
function foo(a, i) { return a[i]; }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
var a = ['one', , 'three'];
|
|
foo(a, 0);
|
|
foo(a, 0);
|
|
foo(a, 0);
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertEquals(undefined, foo(a, 1));
|
|
assertOptimized(foo);
|
|
|
|
// Whereas if we disrupt the prototype chain...
|
|
Array.prototype[1] = 'cow';
|
|
assertEquals('cow', foo(a, 1));
|
|
assertUnoptimized(foo);
|