// 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 usage of static type information for loads that would otherwise // turn into polymorphic or generic loads. // Prepare a highly polymorphic load to be used by all tests. Object.prototype.load = function() { return this.property; }; Object.prototype.load.call({ A:0, property:10 }); Object.prototype.load.call({ A:0, B:0, property:11 }); Object.prototype.load.call({ A:0, B:0, C:0, property:12 }); Object.prototype.load.call({ A:0, B:0, C:0, D:0, property:13 }); Object.prototype.load.call({ A:0, B:0, C:0, D:0, E:0, property:14 }); Object.prototype.load.call({ A:0, B:0, C:0, D:0, E:0, F:0, property:15 }); // Test for object literals. (function() { function f(x) { var object = { property:x }; return object.load(); } %PrepareFunctionForOptimization(f); assertSame(1, f(1)); assertSame(2, f(2)); %OptimizeFunctionOnNextCall(f); assertSame(3, f(3)); })(); // Test for inlined constructors. (function() { function c(x) { this.property = x; } function f(x) { var object = new c(x); return object.load(); } %PrepareFunctionForOptimization(f); assertSame(1, f(1)); assertSame(2, f(2)); %OptimizeFunctionOnNextCall(f); assertSame(3, f(3)); })();