v8/test/mjsunit/math-floor-of-div-minus-zero.js
Michael Starzinger 05f3b27cdd Reland "[flags] Remove some dead Crankshaft flags."
This is a reland of ec6da23bfe
Original change's description:
> [flags] Remove some dead Crankshaft flags.
> 
> R=bmeurer@chromium.org
> BUG=v8:6408
> 
> Change-Id: I34abbcdc2fc47df44938bac0e59f9982c935c657
> Reviewed-on: https://chromium-review.googlesource.com/569963
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46631}

Bug: v8:6408
Change-Id: I8a856e25d56e27bccb79588b2e5ee4369d7c5fe5
Reviewed-on: https://chromium-review.googlesource.com/570050
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46637}
2017-07-13 13:15:34 +00:00

42 lines
2.0 KiB
JavaScript

// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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.
// Flags: --allow-natives-syntax --opt
// Test for negative zero that doesn't need bail out
function test_div_no_deopt_minus_zero() {
var zero_in_array = [0];
assertTrue(0 === (Math.floor((zero_in_array[0] | 0) / -1) | 0));
}
test_div_no_deopt_minus_zero();
test_div_no_deopt_minus_zero();
%OptimizeFunctionOnNextCall(test_div_no_deopt_minus_zero);
test_div_no_deopt_minus_zero();
assertOptimized(test_div_no_deopt_minus_zero);