ef97aa7cc2
This reverts commit 289b25765a.
Reason for revert: Fails gc-stress: https://ci.chromium.org/p/v8/builders/ci/V8%20Mac64%20GC%20Stress/7143
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}
TBR=rmcilroy@chromium.org,mythria@chromium.org
Change-Id: I2a78bfd3ee6102c1d2062957970f425308050d3d
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8394
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594565
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61213}
56 lines
1.2 KiB
JavaScript
56 lines
1.2 KiB
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: --allow-natives-syntax --expose-gc --opt
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// Make sure literals are strongly rooted and safe from weak-code deopts.
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(function() {
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function foo() {
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var a = {y: 0};
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a.y = 1;
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return a;
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}
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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gc();
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assertOptimized(foo);
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})();
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(function() {
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function hot(o) {
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return o.x + o.y;
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}
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function mapPlus(a, y) {
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return a.map(x => hot({x, y}));
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}
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var a = [1, 2, 3];
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print(mapPlus(a, 1));
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print(mapPlus(a, 2));
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%OptimizeFunctionOnNextCall(hot);
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print(mapPlus(a, 3));
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gc(); // BOOOM!
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assertOptimized(hot);
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print(mapPlus(a, 4));
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})();
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// Verify that we can handle the creation of a new script, where the
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// code is cached and the feedback vector has to be re-created.
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(function() {
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var sopen = 'function wrapper() { ';
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var s1 = 'function foo() { return bar(5); } ';
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var s2 = 'foo(); foo(); %OptimizeFunctionOnNextCall(foo); foo(); ';
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var sclose = '} wrapper(); ';
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var s = sopen + s1 + s2 + sclose;
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function bar(i){return i + 3};
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for (var i = 0; i < 4; i++) {
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eval(s);
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}
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})();
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