v8/test/mjsunit/deopt-recursive-lazy-once.js
Clemens Hammacher ef97aa7cc2 Revert "[Test] Update tests to work with lazy feedback allocation."
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}
2019-05-03 15:54:53 +00:00

32 lines
699 B
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --opt --no-always-opt
function foo(i, deopt = false) {
if (i == 0) {
if (deopt) {
// Trigger a lazy deopt.
%DeoptimizeNow();
}
} else {
foo(i - 1, deopt);
}
}
%PrepareFunctionForOptimization(foo);
assertEquals(0, %GetDeoptCount(foo));
foo(10);
foo(10);
%OptimizeFunctionOnNextCall(foo);
foo(10);
assertOptimized(foo);
assertEquals(0, %GetDeoptCount(foo));
foo(10, true);
assertUnoptimized(foo);
assertEquals(1, %GetDeoptCount(foo));