v8/test/mjsunit/es6/map-constructor-entry-side-effect4.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

57 lines
1.7 KiB
JavaScript

// Copyright 2018 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
function TestMapConstructorEntrySideEffect(ctor) {
const k1 = {};
const k2 = {};
const k3 = {};
let firstEntryCallCount = 0;
let lastEntryCallCount = 0;
const input = [
Object.defineProperty([, 1], "0", {
get() {
// Verify handling of a non-Smi array length
input.length = 2 ** 32 - 2;
firstEntryCallCount++;
return k1;
}
}),
[k2, 2],
Object.defineProperty([k3, ], "1", {
get() {
input.length = 1;
lastEntryCallCount++;
return 3;
}
})
];
const col = new ctor(input);
assertEquals(1, firstEntryCallCount,);
assertEquals(1, lastEntryCallCount);
if ('size' in col) assertEquals(3, col.size);
assertEquals(1, col.get(k1));
assertEquals(2, col.get(k2));
assertEquals(3, col.get(k3));
}
%PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect);
TestMapConstructorEntrySideEffect(Map);
TestMapConstructorEntrySideEffect(Map);
TestMapConstructorEntrySideEffect(Map);
%OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect);
TestMapConstructorEntrySideEffect(Map);
assertOptimized(TestMapConstructorEntrySideEffect);
// This call would deopt
TestMapConstructorEntrySideEffect(WeakMap);
%PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect);
TestMapConstructorEntrySideEffect(WeakMap);
TestMapConstructorEntrySideEffect(WeakMap);
%OptimizeFunctionOnNextCall(TestMapConstructorEntrySideEffect);
TestMapConstructorEntrySideEffect(WeakMap);
assertOptimized(TestMapConstructorEntrySideEffect);