v8/test/mjsunit/modules-import-meta-turbo.mjs
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

48 lines
1.3 KiB
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
import { getImportMeta } from 'modules-skip-import-meta-export.mjs';
function foo() {
return import.meta;
}
%PrepareFunctionForOptimization(foo);
%OptimizeFunctionOnNextCall(foo);
// Optimize when import.meta hasn't been created yet.
assertEquals('object', typeof foo());
assertEquals(import.meta, foo());
assertOptimized(foo);
function bar() {
return import.meta;
}
%PrepareFunctionForOptimization(bar);
// Optimize when import.meta already exists.
%OptimizeFunctionOnNextCall(bar);
assertEquals(import.meta, bar());
assertOptimized(bar);
%PrepareFunctionForOptimization(getImportMeta);
%OptimizeFunctionOnNextCall(getImportMeta);
assertEquals('object', typeof getImportMeta());
assertOptimized(getImportMeta);
assertNotEquals(import.meta, getImportMeta());
assertOptimized(getImportMeta);
function baz() {
return getImportMeta();
}
// Test inlined (from another module) import.meta accesses.
%PrepareFunctionForOptimization(baz);
baz();
%OptimizeFunctionOnNextCall(baz);
assertEquals('object', typeof baz());
assertNotEquals(import.meta, baz());
assertEquals(baz(), getImportMeta());
assertOptimized(baz);