PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
29 lines
761 B
JavaScript
29 lines
761 B
JavaScript
// Copyright 2024 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 --turbolev --turbofan
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function foo(a) {
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// Doing random things to add entries in the feedback vector before the
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// GetTemplateObject entry.
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a + 3;
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a - 3;
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if (a == 5) {
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// Feedback not collected. Maglev will insert a GetTemplateObject followed
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// by an unconditional deopt.
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return ````;
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} else {
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return 17;
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}
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(17, foo(42));
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assertEquals(17, foo(42));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(17, foo(42));
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assertThrows(() => foo(5), TypeError, '"" is not a function');
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