// Copyright 2013 the V8 project authors. All rights reserved. // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. 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. // // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. description( "Tests whether peephole optimizations on bytecode properly deal with local registers." ); function if_less_test() { var a = 0; var b = 2; if (a = 1 < 2) return a == 1; } shouldBeTrue("if_less_test()"); function if_else_less_test() { var a = 0; var b = 2; if (a = 1 < 2) return a == 1; else return false; } shouldBeTrue("if_else_less_test()"); function conditional_less_test() { var a = 0; var b = 2; return (a = 1 < 2) ? a == 1 : false; } shouldBeTrue("conditional_less_test()"); function logical_and_less_test() { var a = 0; var b = 2; return (a = 1 < 2) && a == 1; } shouldBeTrue("logical_and_less_test()"); function logical_or_less_test() { var a = 0; var b = 2; var result = (a = 1 < 2) || a == 1; return a == 1; } shouldBeTrue("logical_or_less_test()"); function do_while_less_test() { var a = 0; var count = 0; do { if (count == 1) return a == 1; count++; } while (a = 1 < 2) } shouldBeTrue("do_while_less_test()"); function while_less_test() { var a = 0; while (a = 1 < 2) return a == 1; } shouldBeTrue("while_less_test()"); function for_less_test() { for (var a = 0; a = 1 < 2; ) return a == 1; } shouldBeTrue("for_less_test()");