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}
27 lines
799 B
JavaScript
27 lines
799 B
JavaScript
// Copyright 2016 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: --ignition-osr --allow-natives-syntax
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function g() { return 23 }
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function h() { return 42 }
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function boom(o) { o.g = h }
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function f(osr_and_recurse) {
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if (osr_and_recurse) {
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for (var i = 0; i < 3; ++i) {
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if (i == 1) %OptimizeOsr();
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}
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%OptimizeFunctionOnNextCall(f);
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f(false); // Trigger tier-up due to recursive call.
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boom(this); // Causes a deopt due to below dependency.
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var x = g(); // Install dependency on the {g} function.
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return x;
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}
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return 65;
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(65, f(false));
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assertEquals(65, f(false));
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assertEquals(42, f(true));
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