// Copyright 2014 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --allow-natives-syntax --opt --no-always-opt var global = this; Array.prototype.f = function() { return 0; }; (function() { var called = 0; function g(x, y, called) { return called + 1; } function f(deopt, called) { return g([].f.call({}), deopt + 1, called); } %PrepareFunctionForOptimization(f); called = f(0, called); called = f(0, called); %OptimizeFunctionOnNextCall(f); called = f(0, called); assertOptimized(f); called = f({}, called); assertUnoptimized(f); assertEquals(4, called); })(); (function() { // The array built-ins are only inlined if the receiver is a // HConstant, this seems to require a *unique* global identifier // each time. global.a1 = [1,2,3,4]; var obj = {value: 3}; function f(b) { return [].pop.call(a1) + b.value; } %PrepareFunctionForOptimization(f); assertEquals(7, f(obj)); assertEquals(6, f(obj)); %OptimizeFunctionOnNextCall(f); assertEquals(5, f(obj)); assertOptimized(f); assertEquals(4, f({d: 0, value: 3})); assertUnoptimized(f); assertEquals(0, a1.length); })(); (function() { global.a2 = [1,2,3,4]; var obj = {value: 3}; function f(b) { return [].shift.call(a2) + b.value; } %PrepareFunctionForOptimization(f); assertEquals(4, f(obj)); assertEquals(5, f(obj)); %OptimizeFunctionOnNextCall(f); assertEquals(6, f(obj)); assertOptimized(f); assertEquals(7, f({d: 0, value: 3})); assertUnoptimized(f); assertEquals(0, a2.length); })(); (function() { global.a3 = [1,2,3,4]; var obj = {value: 3}; function f(b) { return [].push.call(a3, b.value); } %PrepareFunctionForOptimization(f); assertEquals(5, f(obj)); assertEquals(6, f(obj)); %OptimizeFunctionOnNextCall(f); assertEquals(7, f(obj)); assertOptimized(f); assertEquals(8, f({d: 0, value: 3})); assertUnoptimized(f); assertEquals(8, a3.length); assertEquals(3, a3[7]); })(); (function() { global.a4 = [1,2,3,4]; var obj = {value: 3}; function f(b) { return [].indexOf.call(a4, b.value); } %PrepareFunctionForOptimization(f); f(obj); f(obj); %OptimizeFunctionOnNextCall(f); var index1 = f(obj); assertOptimized(f); var index2 = f({d: 0, value: 3}); assertUnoptimized(f); assertEquals(2, index1); assertEquals(index1, index2); })(); (function() { global.a5 = [1,2,3,4]; var obj = {value: 3}; function f(b) { return [].lastIndexOf.call(a5, b.value); } %PrepareFunctionForOptimization(f); f(obj); f(obj); %OptimizeFunctionOnNextCall(f); var index1 = f(obj); assertOptimized(f); var index2 = f({d: 0, value: 3}); assertUnoptimized(f); assertEquals(2, index1); assertEquals(index1, index2); })();