6904a8120b
.. 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}
46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbo-optimize-apply --turbofan
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// These tests do not work well if this script is run more than once; after a
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// few runs the whole function is immediately compiled and assertions would
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// fail. We prevent re-runs.
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// Flags: --no-always-turbofan
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// These tests do not work well if we flush the feedback vector, which causes
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// deoptimization.
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// Flags: --no-stress-flush-code --no-flush-bytecode
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// Tests for optimization of CallWithSpread and CallWithArrayLike.
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// This test is in a separate file because it invalidates protectors.
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// Test with holey array with default values.
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(function () {
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"use strict";
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// Setting value to be retrieved in place of hole.
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Array.prototype[2] = 'x';
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var sum_js_got_interpreted = true;
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function sum_js(a, b, c, d) {
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sum_js_got_interpreted = %IsBeingInterpreted();
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return a + b + c + d;
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}
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function foo(x, y) {
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return sum_js.apply(null, ["", x, ,y]);
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}
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%PrepareFunctionForOptimization(sum_js);
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%PrepareFunctionForOptimization(foo);
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assertEquals('AxB', foo('A', 'B'));
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assertTrue(sum_js_got_interpreted);
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// The protector should be invalidated, which prevents inlining.
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%OptimizeFunctionOnNextCall(foo);
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assertEquals('AxB', foo('A', 'B'));
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assertTrue(sum_js_got_interpreted);
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assertOptimized(foo);
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})();
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