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 "Checks that the DFG CFA does the right things if it proves that a put_by_id is a simple replace when storing to a specialized function property." 26 ); 27 28 function foo(o, v) { 29 o.f = v; 30 } 31 32 // Warm up foo's put_by_id to make it look polymorphic. 33 for (var i = 0; i < 100; ++i) 34 foo(i % 2 ? {a: 1} : {b: 2}); 35 36 function bar(f) { 37 foo(this, f); 38 return this.f(); 39 } 40 41 function baz() { 42 debug("baz!"); 43 return "baz"; 44 } 45 46 for (var i = 0; i < 100; ++i) 47 shouldBe("bar.call({f:baz}, baz)", "\"baz\""); 48 49 function fuzz() { 50 debug("fuzz!"); 51 return "fuzz"; 52 } 53 54 shouldBe("bar.call({f:baz}, fuzz)", "\"fuzz\""); 55