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>
25 lines
759 B
JavaScript
25 lines
759 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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// Flags: --no-always-turbofan
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const arr = new Int32Array(10);
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arr[4] = 42;
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function load_arr_double_index(x) {
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let index = x + 1.5;
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return arr[index];
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}
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%PrepareFunctionForOptimization(load_arr_double_index);
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assertEquals(42, load_arr_double_index(2.5));
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%OptimizeFunctionOnNextCall(load_arr_double_index);
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assertEquals(42, load_arr_double_index(2.5));
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assertOptimized(load_arr_double_index);
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// Should deopt for negative indices.
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assertEquals(undefined, load_arr_double_index(-2.5));
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assertUnoptimized(load_arr_double_index);
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