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 31 function f(o) { 32 return Math.floor(o.x_smi) + 1; 33 } 34 35 assertEquals(2, f({x_smi:1})); 36 assertEquals(2, f({x_smi:1})); 37 %OptimizeFunctionOnNextCall(f); 38 assertEquals(2, f({x_smi:1})); 39 40 function f2(o) { 41 return Math.floor(o.x_tagged) + 1; 42 } 43 44 var o = {x_tagged:{}}; 45 o.x_tagged = 1.4; 46 assertEquals(2, f2(o)); 47 assertEquals(2, f2(o)); 48 %OptimizeFunctionOnNextCall(f2); 49 assertEquals(2, f2(o)); 50 51 function f3(o) { 52 return Math.round(o.x_smi) + 1; 53 } 54 55 assertEquals(2, f3({x_smi:1})); 56 assertEquals(2, f3({x_smi:1})); 57 %OptimizeFunctionOnNextCall(f3); 58 assertEquals(2, f3({x_smi:1})); 59 60 function f4(o) { 61 return Math.round(o.x_tagged) + 1; 62 } 63 64 assertEquals(2, f4(o)); 65 assertEquals(2, f4(o)); 66 %OptimizeFunctionOnNextCall(f4); 67 assertEquals(2, f4(o)); 68