918fe04351
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
687 B
JavaScript
29 lines
687 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 --turboshaft-string-concat-escape-analysis
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// Flags: --turbofan
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function bar() {
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return foo.arguments[0] + foo.arguments[0];
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}
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%NeverOptimizeFunction(bar);
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function foo(x) {
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return bar();
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}
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function main(a, b) {
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let s = a + b;
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return foo(s, s);
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}
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%PrepareFunctionForOptimization(foo);
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%PrepareFunctionForOptimization(main);
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assertEquals("abab", main("a", "b"));
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assertEquals("abab", main("a", "b"));
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%OptimizeFunctionOnNextCall(main);
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assertEquals("abab", main("a", "b"));
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