// Copyright 2013 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 // Test inlining and deoptimization of function.apply(this, arguments) // calls for which the exact number of arguments is known. (function () { "use strict"; function test(argumentsCount) { var dispatcher = {}; var deoptimize = { deopt:false }; dispatcher["const" + argumentsCount] = 0; dispatcher.func = C; function A(x,y) { var r = "A"; if (argumentsCount == 1) r += B(10); if (argumentsCount == 2) r += B(10, 11); if (argumentsCount == 3) r += B(10, 11, 12); assertSame(1, x); assertSame(2, y); return r; } function B(x,y) { x = 0; y = 0; var r = "B" + dispatcher.func.apply(this, arguments); assertSame(argumentsCount, arguments.length); for (var i = 0; i < arguments.length; i++) { assertSame(10 + i, arguments[i]); } return r; } function C(x,y) { x = 0; y = 0; var r = "C" deoptimize.deopt; assertSame(argumentsCount, arguments.length); for (var i = 0; i < arguments.length; i++) { assertSame(10 + i, arguments[i]); } return r; } %PrepareFunctionForOptimization(A); assertEquals("ABC", A(1,2)); assertEquals("ABC", A(1,2)); %OptimizeFunctionOnNextCall(A); assertEquals("ABC", A(1,2)); delete deoptimize.deopt; assertEquals("ABC", A(1,2)); %DeoptimizeFunction(A); %ClearFunctionFeedback(A); %DeoptimizeFunction(B); %ClearFunctionFeedback(B); %DeoptimizeFunction(C); %ClearFunctionFeedback(C); } for (var a = 1; a <= 3; a++) { test(a); } })();