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}
43 lines
894 B
JavaScript
43 lines
894 B
JavaScript
// Copyright 2014 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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function Ctor() {
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this.a = 1;
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}
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function get_closure() {
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return function add_field(obj, osr) {
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obj.c = 3;
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var x = 0;
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if (osr) %OptimizeOsr();
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for (var i = 0; i < 10; i++) {
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x = i + 1;
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}
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return x;
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}
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}
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var f1 = get_closure();
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%PrepareFunctionForOptimization(f1);
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f1(new Ctor(), false);
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f1(new Ctor(), false);
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%OptimizeFunctionOnNextCall(f1, "concurrent");
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// Kick off concurrent recompilation and OSR.
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var o = new Ctor();
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%PrepareFunctionForOptimization(f1);
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f1(o, true);
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// Flush the optimizing compiler's queue.
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%NotifyContextDisposed();
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// Trigger deopt.
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o.c = 2.2;
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var f2 = get_closure();
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%PrepareFunctionForOptimization(f2);
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f2(new Ctor(), true);
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