Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 | // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 | // |
| 4 | // Redistribution and use in source and binary forms, with or without |
| 5 | // modification, are permitted provided that the following conditions |
| 6 | // are met: |
| 7 | // 1. Redistributions of source code must retain the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer. |
| 9 | // 2. Redistributions in binary form must reproduce the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer in the |
| 11 | // documentation and/or other materials provided with the distribution. |
| 12 | // |
| 13 | // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| 14 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 | // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 17 | // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 | // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | |
| 24 | description( |
| 25 | "Checks that increased aggressiveness in sparse conditional constant propagation resultin from a node being proven to be force exit does not lead to a cascade of unsound decisions." |
| 26 | ); |
| 27 | |
| 28 | function foo(a) { |
| 29 | var i; |
| 30 | if (a.push) |
| 31 | i = 0; |
| 32 | else |
| 33 | i = a; |
| 34 | var result = 0; |
| 35 | while (i < 10) { |
| 36 | result += a[i]; |
| 37 | i++; |
| 38 | } |
| 39 | return result; |
| 40 | } |
| 41 | |
| 42 | var array = [54, 5432, 1234, 54, 1235, 64, 75, 532, 64, 2]; |
| 43 | |
| 44 | for (var i = 0; i < 200; ++i) |
| 45 | shouldBe("foo(array)", "8746"); |