1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description( 25 "This tests that inlining a function that does not use this does not result in this being lost entirely." 26 ); 27 28 function foo(a, b) { 29 return a + b; 30 } 31 32 function bar(a, b) { 33 return this.f + a + b; 34 } 35 36 function baz(o, a, b) { 37 return o.stuff(a, b); 38 } 39 40 var functionToCall = foo; 41 var offset = 0; 42 for (var i = 0; i < 1000; ++i) { 43 if (i == 600) { 44 functionToCall = bar; 45 offset = 42; 46 } 47 48 // Create some bizzare object to prevent method_check optimizations, since those will result in 49 // a failure while the function is still live. 50 var object = {}; 51 object["a" + i] = i; 52 object.stuff = functionToCall; 53 object.f = 42; 54 55 shouldBe("baz(object, " + i + ", " + (i * 2) + ")", "" + (offset + i + i * 2)); 56 } 57 58
