dfg-double-addition-simplify-to-int.js revision b8a8cc1952d61a2f3a2568848933943a543b5d3e
1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2013 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Redistribution and use in source and binary forms, with or without 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// modification, are permitted provided that the following conditions 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// are met: 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// 1. Redistributions of source code must retain the above copyright 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// notice, this list of conditions and the following disclaimer. 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// 2. Redistributions in binary form must reproduce the above copyright 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// notice, this list of conditions and the following disclaimer in the 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// documentation and/or other materials provided with the distribution. 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochdescription( 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch"Tests that the DFG doesn't get confused about an edge being a double edge after we perform CFG simplification." 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch); 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfunction foo(a, p) { 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch var p2; 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch var x; 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch var y; 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch if (p) 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch p2 = true; 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch else 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch p2 = true; 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch if (p2) 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch x = a; 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch else 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch x = 0.5; 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch if (p2) 41b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch y = a; 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch else 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch y = 0.7; 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch var result = x + y; 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return [result, [x, y], [x, y], [x, y]]; 46b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 48b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfor (var i = 0; i < 1000; ++i) 49b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch shouldBe("foo(42, true)[0]", "84"); 50