5b794a389b
Bug: v8:8801, v8:8394 Change-Id: I6bb46ecafe1bd94adbf0409f13c9b2e558da0823 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594558 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Auto-Submit: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#61200}
61 lines
1.4 KiB
JavaScript
61 lines
1.4 KiB
JavaScript
// Copyright 2017 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() {
|
|
function foo(x) { return Number.isNaN(x); }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertTrue(foo(+undefined));
|
|
assertFalse(foo(undefined));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertTrue(foo(+undefined));
|
|
assertFalse(foo(undefined));
|
|
})();
|
|
|
|
(function() {
|
|
function foo(x) { return Number.isNaN(+x); }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertTrue(foo(+undefined));
|
|
assertFalse(foo(0));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertTrue(foo(+undefined));
|
|
assertFalse(foo(0));
|
|
})();
|
|
|
|
(function() {
|
|
function foo(x) { return Number.isNaN(x|0); }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertFalse(foo(+undefined));
|
|
assertFalse(foo(0));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertFalse(foo(+undefined));
|
|
assertFalse(foo(0));
|
|
})();
|
|
|
|
(function() {
|
|
function foo(x) { return Number.isNaN("" + x); }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertFalse(foo(undefined));
|
|
assertFalse(foo(0));
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertFalse(foo(undefined));
|
|
assertFalse(foo(0));
|
|
})();
|
|
|
|
(function() {
|
|
function foo(x) { return Number.isNaN(0/0); }
|
|
|
|
%PrepareFunctionForOptimization(foo);
|
|
assertTrue(foo());
|
|
assertTrue(foo());
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertTrue(foo());
|
|
assertTrue(foo());
|
|
})();
|