v8/test/mjsunit/regress/regress-4121.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

46 lines
1.3 KiB
JavaScript

// Copyright 2015 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 --no-always-turbofan
function literals_sharing_test(warmup, optimize) {
function closure() {
// Ensure small array literals start in specific element kind mode.
assertTrue(%HasSmiElements([]));
assertTrue(%HasSmiElements([1]));
assertTrue(%HasSmiElements([1, 2]));
assertTrue(%HasDoubleElements([1.1]));
assertTrue(%HasDoubleElements([1.1, 2]));
var a = [1, 2, 3];
if (warmup) {
// Transition elements kind during warmup...
assertTrue(%HasSmiElements(a));
assertEquals(4, a.push(1.3));
}
// ... and ensure that the information about transitioning is
// propagated to the next closure.
assertTrue(%HasDoubleElements(a));
};
%PrepareFunctionForOptimization(closure);
;
%EnsureFeedbackVectorForFunction(closure);
if (optimize) %OptimizeFunctionOnNextCall(closure);
closure();
}
function test() {
var warmup = true;
for (var i = 0; i < 3; i++) {
print('iter: ' + i + ', warmup: ' + warmup);
literals_sharing_test(warmup, false);
warmup = false;
}
print("iter: " + i + ", opt: true");
literals_sharing_test(warmup, true);
}
test();