1// Copyright 2014 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 --noalways-opt 29 30var global = this; 31 32Array.prototype.f = function() { 33 return 0; 34}; 35 36(function() { 37 var called = 0; 38 39 function g(x, y, called) { 40 return called + 1; 41 } 42 43 function f(deopt, called) { 44 return g([].f.call({}), deopt + 1, called); 45 } 46 47 called = f(0, called); 48 called = f(0, called); 49 %OptimizeFunctionOnNextCall(f); 50 called = f(0, called); 51 assertOptimized(f); 52 called = f({}, called); 53 assertUnoptimized(f); 54 assertEquals(4, called); 55})(); 56 57(function() { 58 // The array built-ins are only inlined if the receiver is a 59 // HConstant, this seems to require a *unique* global identifier 60 // each time. 61 global.a1 = [1,2,3,4]; 62 var obj = {value: 3}; 63 64 function f(b) { 65 return [].pop.call(a1) + b.value; 66 } 67 68 assertEquals(7, f(obj)); 69 assertEquals(6, f(obj)); 70 %OptimizeFunctionOnNextCall(f); 71 assertEquals(5, f(obj)); 72 assertOptimized(f); 73 assertEquals(4, f({d: 0, value: 3})); 74 assertUnoptimized(f); 75 assertEquals(0, a1.length); 76})(); 77 78 79(function() { 80 global.a2 = [1,2,3,4]; 81 var obj = {value: 3}; 82 83 function f(b) { 84 return [].shift.call(a2) + b.value; 85 } 86 87 assertEquals(4, f(obj)); 88 assertEquals(5, f(obj)); 89 %OptimizeFunctionOnNextCall(f); 90 assertEquals(6, f(obj)); 91 assertOptimized(f); 92 assertEquals(7, f({d: 0, value: 3})); 93 assertUnoptimized(f); 94 assertEquals(0, a2.length); 95})(); 96 97(function() { 98 global.a3 = [1,2,3,4]; 99 var obj = {value: 3}; 100 101 function f(b) { 102 return [].push.call(a3, b.value); 103 } 104 105 assertEquals(5, f(obj)); 106 assertEquals(6, f(obj)); 107 %OptimizeFunctionOnNextCall(f); 108 assertEquals(7, f(obj)); 109 assertOptimized(f); 110 assertEquals(8, f({d: 0, value: 3})); 111 assertUnoptimized(f); 112 assertEquals(8, a3.length); 113 assertEquals(3, a3[7]); 114})(); 115 116(function() { 117 global.a4 = [1,2,3,4]; 118 var obj = {value: 3}; 119 120 function f(b) { 121 return [].indexOf.call(a4, b.value); 122 } 123 124 f(obj); 125 f(obj); 126 %OptimizeFunctionOnNextCall(f); 127 var index1 = f(obj); 128 assertOptimized(f); 129 var index2 = f({d: 0, value: 3}); 130 assertUnoptimized(f); 131 132 assertEquals(2, index1); 133 assertEquals(index1, index2); 134})(); 135 136(function() { 137 global.a5 = [1,2,3,4]; 138 var obj = {value: 3}; 139 140 function f(b) { 141 return [].lastIndexOf.call(a5, b.value); 142 } 143 144 f(obj); 145 f(obj); 146 %OptimizeFunctionOnNextCall(f); 147 var index1 = f(obj); 148 assertOptimized(f); 149 var index2 = f({d: 0, value: 3}); 150 assertUnoptimized(f); 151 152 assertEquals(2, index1); 153 assertEquals(index1, index2); 154})(); 155