mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
2.1 KiB
43 lines
2.1 KiB
// Copyright 2013 the V8 project authors. All rights reserved.
|
|
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
// 1. Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// 2. Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
|
|
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
description(
|
|
"This tests that speculation recovery of destructive additions on unboxed integers works."
|
|
);
|
|
|
|
function destructiveAddForBoxedInteger(a,b,c) {
|
|
var a_ = a.x;
|
|
var d = a_ + b;
|
|
return c + d + b;
|
|
}
|
|
|
|
// warm-up foo to be integer
|
|
for (var i = 0; i < 100; ++i) {
|
|
destructiveAddForBoxedInteger({x:1}, 2, 3);
|
|
}
|
|
|
|
shouldBe("destructiveAddForBoxedInteger({x:1}, 2, 4)", "9");
|
|
shouldBe("destructiveAddForBoxedInteger({x:2147483647}, 2, 4)", "2147483655");
|
|
shouldBe("destructiveAddForBoxedInteger({x:2}, 2147483647, 4)", "4294967300");
|
|
shouldBe("destructiveAddForBoxedInteger({x:2147483647}, 2147483647, 4)", "6442450945");
|
|
shouldBe("destructiveAddForBoxedInteger({x:1}, 2, 2147483647)", "2147483652");
|
|
|