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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
35 lines
1.1 KiB
JavaScript
35 lines
1.1 KiB
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
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// This function is designed so that the inner loop needs revisiting, and the
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// outer loop also (and the revisit of the outer loop should trigger a revisit
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// of the inner loop). The block triggering the revisit of the outer loop is not
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// among the successors of the inner loop.
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function f() {
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let arr = [1, 2, 3];
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let s1 = 0, s2 = 0;
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for (let i = 0; i < 10; i++) {
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if (i >= 3) {
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// The inner loop is in a if-else in the outer loop so that the block
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// containing `arr[2]++` is not among its successors.
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for (let j = 0; j < 10; j++) {
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s1 += arr[1];
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s2 += arr[2];
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arr[1]++; // Trigger revisit of inner loop
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}
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} else {
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arr[2]++; // Trigger revisit of outer loop
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}
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}
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return s1 + s2;
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(f(), 2975);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(f(), 2975);
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