66d5cebb49
This reverts commit 9f902b7483.
Reason for revert: Reverting due to various fuzzing issues (numfuzz issues listed in original CL comments, ochang fuzzer in https://bugs.chromium.org/p/chromium/issues/detail?id=1299418)
Original change's description:
> [turbofan] Making OSR concurrent
>
> ... to reduce compilation overhead on the main thread for OSR
>
> Bug: v8:12161
> Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Fanchen Kong <fanchen.kong@intel.com>
> Cr-Commit-Position: refs/heads/main@{#79188}
Bug: v8:12161
Change-Id: Id6f6086517cd77fb1aa60b20fd03528b8e2ca686
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3477104
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79194}
63 lines
1.2 KiB
JavaScript
63 lines
1.2 KiB
JavaScript
// Copyright 2015 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 --use-osr
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"use strict";
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function test(expected, func) {
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assertEquals(expected, func());
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assertEquals(expected, func());
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assertEquals(expected, func());
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}
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function foo() {
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var result = 0;
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{
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let x = 0;
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var temp_x = x;
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var first = 1;
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outer: while (true) {
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let x = temp_x;
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if (first == 1) first = 0;
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else x = x + 1 | 0;
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var flag = 1;
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for (; flag == 1; (flag = 0, temp_x = x)) {
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if (x < 2) {
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result = x; %OptimizeOsr();
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%PrepareFunctionForOptimization(foo);
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} else {
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break outer;
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}
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}
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if (flag == 1) break;
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}
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}
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return result;
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}
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%PrepareFunctionForOptimization(foo);
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test(1, foo);
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function smo() {
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var result = 0;
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{
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let x = 11;
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outer: while (true) {
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let y = x;
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for (var i = 0; i < 5; i++) {
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%OptimizeOsr();
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%PrepareFunctionForOptimization(smo);
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if (i) break outer;
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else result = y;
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}
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}
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}
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return result;
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}
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%PrepareFunctionForOptimization(smo);
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test(11, smo);
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