1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --allow-natives-syntax 29 30// Regression test for GVN on field loads. 31 32function bar() {} 33 34// Make sure there is a transition on adding "bar" inobject property. 35var b = new bar(); 36b.bar = "bar"; 37 38function test(a) { 39 var b = new Array(10); 40 for (var i = 0; i < 10; i++) { 41 b[i] = new bar(); 42 } 43 44 for (var i = 0; i < 10; i++) { 45 b[i].bar = a.foo; 46 } 47} 48 49// Create an object with fast backing store properties. 50var a = {}; 51a.p1 = ""; 52a.p2 = ""; 53a.p3 = ""; 54a.p4 = ""; 55a.p5 = ""; 56a.p6 = ""; 57a.p7 = ""; 58a.p8 = ""; 59a.p9 = ""; 60a.p10 = ""; 61a.p11 = ""; 62a.foo = "foo"; 63for (var i = 0; i < 5; i++) { 64 test(a); 65} 66%OptimizeFunctionOnNextCall(test); 67test(a); 68 69test(""); 70