// Copyright 2013 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 function a() { var sum = 0; for (var i = 0; i < 500; ++i) { sum = (i + sum) | 0; } return sum; } function b() { var sum = 0; for (var i = -500; i < 0; ++i) { sum = (i + sum) | 0; } return sum; } function c() { var sum = 0; for (var i = 0; i < 500; ++i) { sum += (i + -0x7fffffff) | 0; } return sum; } function d() { var sum = 0; for (var i = -501; i < 0; ++i) { sum += (i + 501) | 0; } return sum; } %PrepareFunctionForOptimization(a); a(); a(); %OptimizeFunctionOnNextCall(a); assertEquals(124750, a()); assertEquals(124750, a()); %PrepareFunctionForOptimization(b); b(); b(); %OptimizeFunctionOnNextCall(b); assertEquals(-125250, b()); assertEquals(-125250, b()); %PrepareFunctionForOptimization(c); c(); c(); %OptimizeFunctionOnNextCall(c); assertEquals(-1073741698750, c()); assertEquals(-1073741698750, c()); %PrepareFunctionForOptimization(d); d(); d(); %OptimizeFunctionOnNextCall(d); assertEquals(125250, d()); assertEquals(125250, d());