f820041aba
This is a reland of 289b25765a.
The fix for failures landed here:
https://chromium-review.googlesource.com/c/v8/v8/+/1599388
Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}
Bug: v8:8394
Change-Id: Idb5bba221d138e6fd73155f959b9e16fc948c709
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1599607
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61332}
41 lines
862 B
JavaScript
41 lines
862 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 --block-concurrent-recompilation
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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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%PrepareFunctionForOptimization(get_closure);
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var f1 = get_closure();
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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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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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f2(new Ctor(), true);
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