v8/test/mjsunit/compiler/stress-deopt-count-2.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
To be consistent with the all the other tiers and avoid confusion, we
rename --opt to ---turbofan, and --always-opt to --always-turbofan.

Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80336}
2022-05-03 12:10:30 +00:00

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1.1 KiB
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 --turbofan --no-always-turbofan --deopt-every-n-times=6
// Check that stress deopt count resets correctly
// Function with two deopt points
function f(x) {
return x + 1;
}
%PrepareFunctionForOptimization(f);
f(1);
%OptimizeFunctionOnNextCall(f);
// stress_deopt_count == 6
f(1);
assertOptimized(f, undefined, undefined, false);
// stress_deopt_count == 4
f(1);
assertOptimized(f, undefined, undefined, false);
// stress_deopt_count == 2
f(1);
// deopt & counter reset
assertUnoptimized(f, undefined, undefined, false);
// stress_deopt_count == 6
%PrepareFunctionForOptimization(f);
%OptimizeFunctionOnNextCall(f);
f(1);
assertOptimized(f, undefined, undefined, false);
// stress_deopt_count == 4
f(1);
assertOptimized(f, undefined, undefined, false);
// stress_deopt_count == 2
f(1);
// deopt & counter reset
assertUnoptimized(f, undefined, undefined, false);