v8/test/mjsunit/compiler/global-var-delete.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

76 lines
1.1 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
function test(expected, f) {
%PrepareFunctionForOptimization(f);
assertEquals(expected, f());
assertEquals(expected, f());
%OptimizeFunctionOnNextCall(f);
assertEquals(expected, f());
assertEquals(expected, f());
}
function testThrows(f) {
%PrepareFunctionForOptimization(f);
assertThrows(f);
assertThrows(f);
%OptimizeFunctionOnNextCall(f);
assertThrows(f);
assertThrows(f);
}
// --- Constant case.
var a = 11;
function f1() { return a; }
test(11, f1);
delete a;
test(11, f1);
// --- SMI case.
var b = 11;
b = 12;
b = 13;
function f2() { return b; }
test(13, f2);
delete b;
test(13, f2);
// --- double case.
var c = 11;
c = 12.25;
c = 13.25;
function f3() { return c; }
test(13.25, f3);
delete c;
test(13.25, f3);
// --- tagged case.
var d = 11;
d = 12.25;
d = "hello";
function f4() { return d; }
test("hello", f4);
delete d;
test("hello", f4);