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Edit File: fast-element-smi-check.js
// Copyright 2011 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 --expose-gc var a = new Array(10); function test_load_set_smi(a) { return a[0] = a[0] = 1; } test_load_set_smi(a); test_load_set_smi(a); test_load_set_smi(123); function test_load_set_smi_2(a) { return a[0] = a[0] = 1; } test_load_set_smi_2(a); %OptimizeFunctionOnNextCall(test_load_set_smi_2); test_load_set_smi_2(a); test_load_set_smi_2(0); %DeoptimizeFunction(test_load_set_smi_2); gc(); // Makes V8 forget about type information for test_load_set_smi. var b = new Object(); function test_load_set_smi_3(b) { return b[0] = b[0] = 1; } test_load_set_smi_3(b); test_load_set_smi_3(b); test_load_set_smi_3(123); function test_load_set_smi_4(b) { return b[0] = b[0] = 1; } test_load_set_smi_4(b); %OptimizeFunctionOnNextCall(test_load_set_smi_4); test_load_set_smi_4(b); test_load_set_smi_4(0); %DeoptimizeFunction(test_load_set_smi_4); gc(); // Makes V8 forget about type information for test_load_set_smi.