// 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 --noalways-opt var global = this; // For the HConstant Array.prototype.fun = function() { funRecv = this; called++; assertEquals(0, arguments.length); }; Array.prototype.funStrict = function() { "use strict"; funStrictRecv = this; called++; assertEquals(0, arguments.length); }; Array.prototype.manyArgs = function() { "use strict"; assertEquals(5, arguments.length); assertEquals(0, this); assertEquals(5, arguments[4]); called++; } Array.prototype.manyArgsSloppy = function() { assertEquals(global, this); assertEquals(5, arguments.length); assertEquals(5, arguments[4]); called++; } var array = []; for (var i = 0; i < 100; ++i) { array[i] = i; } var copy = array.slice(); function unshiftsArray(num) { [].unshift.call(array, num); } unshiftsArray(50); unshiftsArray(60); %OptimizeFunctionOnNextCall(unshiftsArray); unshiftsArray(80); unshiftsArray(50); unshiftsArray(60); copy.unshift(50); copy.unshift(60); copy.unshift(80); copy.unshift(50); copy.unshift(60); assertOptimized(unshiftsArray); assertArrayEquals(array, copy); var called = 0; var funRecv; function callNoArgs() { [].fun.call(); } callNoArgs(); callNoArgs(); assertEquals(this, funRecv); %OptimizeFunctionOnNextCall(callNoArgs); callNoArgs(); assertEquals(this, funRecv); assertEquals(3, called); assertOptimized(callNoArgs); var funStrictRecv; called = 0; function callStrictNoArgs() { [].funStrict.call(); } callStrictNoArgs(); callStrictNoArgs(); assertEquals(undefined, funStrictRecv); %OptimizeFunctionOnNextCall(callStrictNoArgs); callStrictNoArgs(); assertEquals(undefined, funStrictRecv); assertEquals(3, called); assertOptimized(callStrictNoArgs); called = 0; function callManyArgs() { [].manyArgs.call(0, 1, 2, 3, 4, 5); } callManyArgs(); callManyArgs(); %OptimizeFunctionOnNextCall(callManyArgs); callManyArgs(); assertOptimized(callManyArgs); assertEquals(called, 3); called = 0; function callManyArgsSloppy() { [].manyArgsSloppy.call(null, 1, 2, 3, 4, 5); } callManyArgsSloppy(); callManyArgsSloppy(); %OptimizeFunctionOnNextCall(callManyArgsSloppy); callManyArgsSloppy(); assertOptimized(callManyArgsSloppy); assertEquals(called, 3); var str = "hello"; var code = str.charCodeAt(3); called = 0; function callBuiltinIndirectly() { called++; return "".charCodeAt.call(str, 3); } callBuiltinIndirectly(); callBuiltinIndirectly(); %OptimizeFunctionOnNextCall(callBuiltinIndirectly); assertEquals(code, callBuiltinIndirectly()); assertOptimized(callBuiltinIndirectly); assertEquals(3, called); this.array = [1,2,3,4,5,6,7,8,9]; var copy = this.array.slice(); called = 0; function callInlineableBuiltinIndirectlyWhileInlined() { called++; return [].push.apply(array, arguments); } function callInlined(num) { return callInlineableBuiltinIndirectlyWhileInlined(num); } callInlineableBuiltinIndirectlyWhileInlined(1); callInlineableBuiltinIndirectlyWhileInlined(2); %OptimizeFunctionOnNextCall(callInlineableBuiltinIndirectlyWhileInlined); callInlineableBuiltinIndirectlyWhileInlined(3); assertOptimized(callInlineableBuiltinIndirectlyWhileInlined); callInlined(1); callInlined(2); %OptimizeFunctionOnNextCall(callInlined); callInlined(3); copy.push(1, 2, 3, 1, 2, 3); assertOptimized(callInlined); assertArrayEquals(copy, this.array); assertEquals(6, called);