f226350fcb
PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
24 lines
731 B
JavaScript
24 lines
731 B
JavaScript
// Copyright 2023 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 f(o) {
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return Math.ceil(o.a);
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}
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%PrepareFunctionForOptimization(f);
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f({a: {valueOf(){ return 7.5; }}});
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f({a: {valueOf(){ return 7.5; }}});
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f({a: {valueOf(){ return 7.5; }}});
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f({a: {valueOf(){ return 7.5; }}});
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%OptimizeMaglevOnNextCall(f);
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assertEquals(NaN, f({a:NaN}));
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assertEquals(Infinity, f({a:Infinity}));
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assertEquals(-Infinity, f({a:-Infinity}));
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assertEquals(-Infinity, 1/f({a:-0.5}));
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assertEquals(1, 1/f({a:0.5}));
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assertEquals(8, f({a: {valueOf(){
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%DeoptimizeFunction(f);
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return 7.5; }}}));
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