1e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 2e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// Redistribution and use in source and binary forms, with or without 3e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// modification, are permitted provided that the following conditions are 4e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// met: 5e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// 6e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// * Redistributions of source code must retain the above copyright 7e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// notice, this list of conditions and the following disclaimer. 8e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// * Redistributions in binary form must reproduce the above 9e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// copyright notice, this list of conditions and the following 10e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// disclaimer in the documentation and/or other materials provided 11e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// with the distribution. 12e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// * Neither the name of Google Inc. nor the names of its 13e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// contributors may be used to endorse or promote products derived 14e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// from this software without specific prior written permission. 15e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// 16e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 28e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// Flags: --allow-natives-syntax --nodead-code-elimination 29e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// Flags: --nofold-constants --nouse-gvn 30e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 31e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// Create a function to get a long series of removable simulates. 32e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// f() { 33e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// var _0 = <random>, _1 = <random>, ... _1000 = <random>, 34e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// _1001 = <random var> + <random var>, 35e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// _1002 = <random var> + <random var>, 36e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// ... 37e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// _99999 = <random var> + <random var>, 38e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// x = 1; 39e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// return _0; 40e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org// } 41e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 42e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgvar seed = 1; 43e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 44e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgfunction rand() { 45e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org seed = seed * 171 % 1337 + 17; 46e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org return (seed % 1000) / 1000; 47e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org} 48e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 49e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgfunction randi(max) { 50e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org seed = seed * 131 % 1773 + 13; 51e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org return seed % max; 52e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org} 53e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 54e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgfunction varname(i) { 55e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org return "_" + i; 56e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org} 57e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 58e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgvar source = "var "; 59e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 60e94b5ff1e1e95fb2c8ef6bce66ce8533786d9792bmeurer@chromium.orgfor (var i = 0; i < 750; i++) { 61e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org source += [varname(i), "=", rand(), ","].join(""); 62e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org} 63e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 64e94b5ff1e1e95fb2c8ef6bce66ce8533786d9792bmeurer@chromium.orgfor (var i = 750; i < 3000; i++) { 65e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org source += [varname(i), "=", 66e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org varname(randi(i)), "+", 67e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org varname(randi(i)), ","].join(""); 68e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org} 69e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 70e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgsource += "x=1; return _0;" 71e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgvar f = new Function(source); 72e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 73e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgf(); 74e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org%OptimizeFunctionOnNextCall(f); 75e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.orgf(); 76