v8/test/mjsunit/regress/regress-1034449.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
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}
2022-05-03 12:10:30 +00:00

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817 B
JavaScript

// Copyright 2020 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 --turbofan --no-always-turbofan
// Flags: --no-stress-flush-code
function f(len) {
return new Array(len);
}
%PrepareFunctionForOptimization(f);
assertEquals(3, f(3).length);
assertEquals(18, f(18).length);
%OptimizeFunctionOnNextCall(f);
assertEquals(4, f(4).length);
assertOptimized(f);
let a = f("8");
assertUnoptimized(f);
assertEquals(1, a.length);
assertEquals("8", a[0]);
// Check there is no deopt loop.
%PrepareFunctionForOptimization(f);
assertEquals(1, f(1).length);
%OptimizeFunctionOnNextCall(f);
assertEquals(8, f(8).length);
assertOptimized(f);
assertEquals(1, f("8").length);
assertOptimized(f);