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}
59 lines
1.1 KiB
JavaScript
59 lines
1.1 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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function id(f) { return f; }
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function foo(a) {
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var r = /\0/;
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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}
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return r;
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}
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%PrepareFunctionForOptimization(foo);
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function bar(a) {
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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var r = /\0/;
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}
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return r;
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}
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%PrepareFunctionForOptimization(bar);
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function baz(a) {
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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}
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return /\0/;
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}
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%PrepareFunctionForOptimization(baz);
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function qux(a) {
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for (var i = 0; i < 10; i++) {
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if (i > 5 && a) {
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%OptimizeOsr();
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} else {
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var r = /\0/;
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}
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}
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return r;
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}
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%PrepareFunctionForOptimization(qux);
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function test(f) {
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// Test the reference equality of regex's created in OSR'd function.
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var x = f(false);
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assertEquals(x, f(true));
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assertEquals(x, f(true));
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assertEquals(x, f(true));
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}
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test(foo);
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test(bar);
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test(baz);
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test(qux);
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