53379f3706PR-URL: https://github.com/nodejs/node/pull/60488 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Richard Lau <richard.lau@ibm.com>
28 lines
752 B
JavaScript
28 lines
752 B
JavaScript
// Copyright 2025 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 --maglev
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function max2(a, b) {
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return Math.max(a, b);
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}
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%PrepareFunctionForOptimization(max2);
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max2(0.5, 1.5);
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%OptimizeMaglevOnNextCall(max2);
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assertEquals(6.2, max2(6.1, 6.2));
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// Passing a non-number will deopt.
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assertEquals(1.5, max2(0.5, {valueOf: () => 1.5}));
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assertFalse(isMaglevved(max2));
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%OptimizeMaglevOnNextCall(max2);
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assertEquals(6.2, max2(6.1, 6.2));
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// No we no longer speculate on the argument type being float64, so we also
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// don't deopt.
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assertEquals(1.5, max2(0.5, {valueOf: () => 1.5}));
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assertTrue(isMaglevved(max2));
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