18e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 28e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// Redistribution and use in source and binary forms, with or without 38e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// modification, are permitted provided that the following conditions are 48e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// met: 58e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// 68e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// * Redistributions of source code must retain the above copyright 78e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// notice, this list of conditions and the following disclaimer. 88e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// * Redistributions in binary form must reproduce the above 98e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// copyright notice, this list of conditions and the following 108e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// disclaimer in the documentation and/or other materials provided 118e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// with the distribution. 128e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// * Neither the name of Google Inc. nor the names of its 138e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// contributors may be used to endorse or promote products derived 148e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// from this software without specific prior written permission. 158e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// 168e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 178e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 188e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 198e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 208e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 218e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 228e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 238e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 248e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 268e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 288e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org// Flags: --allow-natives-syntax 298e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 308e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgfunction div(g) { 318e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org return (g/-1) ^ 1 328e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org} 338e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 348e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgvar kMinInt = 1 << 31; 358e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgvar expected_MinInt = div(kMinInt); 368e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgvar expected_minus_zero = div(0); 378e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org%OptimizeFunctionOnNextCall(div); 388e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertEquals(expected_MinInt, div(kMinInt)); 398e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertEquals(expected_minus_zero , div(0)); 408e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 418e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgfunction mul(g) { 428e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org return (g * -1) ^ 1 438e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org} 448e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 458e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgexpected_MinInt = mul(kMinInt); 468e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgexpected_minus_zero = mul(0); 478e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org%OptimizeFunctionOnNextCall(mul); 488e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertEquals(expected_MinInt, mul(kMinInt)); 498e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertOptimized(mul); 508e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertEquals(expected_minus_zero , mul(0)); 518e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.orgassertOptimized(mul); 52