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 "Tests that DFG inlining does not brak function.arguments.caller." 26 ); 27 28 var callCount = 0; 29 30 var resultArray = [] 31 32 function throwError() { 33 throw {}; 34 } 35 var object = { 36 nonInlineable : function nonInlineable() { 37 if (0) return [arguments, function(){}]; 38 if (++callCount == 999999) { 39 var f = nonInlineable; 40 while (f) { 41 resultArray.push(f.name); 42 f=f.arguments.callee.caller; 43 } 44 } 45 }, 46 inlineable : function inlineable() { 47 this.nonInlineable(); 48 } 49 } 50 function makeInlinableCall(o) { 51 for (var i = 0; i < 1000; i++) 52 o.inlineable(); 53 } 54 55 function g() { 56 var j = 0; 57 for (var i = 0; i < 1000; i++) { 58 j++; 59 makeInlinableCall(object); 60 } 61 } 62 g(); 63 64 shouldBe("resultArray.length", "4"); 65 shouldBe("resultArray[3]", "\"g\""); 66 shouldBe("resultArray[2]", "\"makeInlinableCall\""); 67 shouldBe("resultArray[1]", "\"inlineable\""); 68 shouldBe("resultArray[0]", "\"nonInlineable\""); 69 70
