v8/test/mjsunit/regress/regress-9441.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

30 lines
860 B
JavaScript

// Copyright 2020 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
// This test does not work well if we flush the feedback vector, which causes
// deoptimization.
// Flags: --no-stress-flush-code --no-flush-bytecode
function foo(a, b) {
return a - b;
}
%PrepareFunctionForOptimization(foo);
assertEquals(-1n, foo(1n, 2n));
%OptimizeFunctionOnNextCall(foo);
assertEquals(1n, foo(2n, 1n));
assertOptimized(foo);
assertThrows(() => foo(2n, undefined));
if (%Is64Bit()) {
assertUnoptimized(foo);
}
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
assertEquals(-1n, foo(1n, 2n));
assertOptimized(foo);
assertThrows(() => foo(undefined, 2n));
assertOptimized(foo);