1// Copyright 2013 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// Test usage of static type information for loads that would otherwise 31// turn into polymorphic or generic loads. 32 33// Prepare a highly polymorphic load to be used by all tests. 34Object.prototype.load = function() { return this.property; }; 35Object.prototype.load.call({ A:0, property:10 }); 36Object.prototype.load.call({ A:0, B:0, property:11 }); 37Object.prototype.load.call({ A:0, B:0, C:0, property:12 }); 38Object.prototype.load.call({ A:0, B:0, C:0, D:0, property:13 }); 39Object.prototype.load.call({ A:0, B:0, C:0, D:0, E:0, property:14 }); 40Object.prototype.load.call({ A:0, B:0, C:0, D:0, E:0, F:0, property:15 }); 41 42// Test for object literals. 43(function() { 44 function f(x) { 45 var object = { property:x }; 46 return object.load(); 47 } 48 49 assertSame(1, f(1)); 50 assertSame(2, f(2)); 51 %OptimizeFunctionOnNextCall(f); 52 assertSame(3, f(3)); 53})(); 54 55// Test for inlined constructors. 56(function() { 57 function c(x) { 58 this.property = x; 59 } 60 function f(x) { 61 var object = new c(x); 62 return object.load(); 63 } 64 65 assertSame(1, f(1)); 66 assertSame(2, f(2)); 67 %OptimizeFunctionOnNextCall(f); 68 assertSame(3, f(3)); 69})(); 70