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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
// Copyright 2022 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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//
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// Flags: --shared-string-table --harmony-struct --allow-natives-syntax
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// Flags: --verify-heap
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"use strict";
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if (this.Worker) {
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(function TestSharedStructOptimizedCode() {
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let workerScript =
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`onmessage = function({data:struct}) {
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%PrepareFunctionForOptimization(writePayload);
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for (let i = 0; i < 5; i++) writePayload(struct);
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%OptimizeFunctionOnNextCall(writePayload);
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writePayload(struct);
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postMessage("done");
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};
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function writePayload(struct) {
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for (let i = 0; i < 100; i++) {
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struct.payload = struct.payload + 1;
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}
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}
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postMessage("started");`;
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let worker = new Worker(workerScript, { type: 'string' });
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assertEquals("started", worker.getMessage());
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let MyStruct = new SharedStructType(['payload']);
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let struct = new MyStruct();
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struct.payload = 0;
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worker.postMessage(struct);
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assertEquals("done", worker.getMessage());
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worker.terminate();
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})();
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}
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