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}
44 lines
1.2 KiB
JavaScript
44 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 --no-always-opt
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function literals_sharing_test(warmup, optimize) {
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function closure() {
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// Ensure small array literals start in specific element kind mode.
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assertTrue(%HasSmiElements([]));
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assertTrue(%HasSmiElements([1]));
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assertTrue(%HasSmiElements([1,2]));
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assertTrue(%HasDoubleElements([1.1]));
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assertTrue(%HasDoubleElements([1.1,2]));
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var a = [1, 2, 3];
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if (warmup) {
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// Transition elements kind during warmup...
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assertTrue(%HasSmiElements(a));
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assertEquals(4, a.push(1.3));
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}
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// ... and ensure that the information about transitioning is
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// propagated to the next closure.
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assertTrue(%HasDoubleElements(a));
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};
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%EnsureFeedbackVectorForFunction(closure);
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if (optimize) %OptimizeFunctionOnNextCall(closure);
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closure();
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}
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function test() {
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var warmup = true;
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for (var i = 0; i < 3; i++) {
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print("iter: " + i + ", warmup: "+ warmup);
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literals_sharing_test(warmup, false);
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warmup = false;
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}
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print("iter: " + i + ", opt: true");
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literals_sharing_test(warmup, true);
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}
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test();
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