Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | // Flags: --allow-natives-syntax |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 29 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 30 | function burn() { |
| 31 | var a = new Array(3); |
| 32 | a[0] = 10; |
| 33 | a[1] = 15.5; |
| 34 | a[2] = 20; |
| 35 | return a; |
| 36 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 37 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 38 | function check(a) { |
| 39 | assertEquals(10, a[0]); |
| 40 | assertEquals(15.5, a[1]); |
| 41 | assertEquals(20, a[2]); |
| 42 | } |
| 43 | |
| 44 | var b; |
| 45 | for (var i = 0; i < 3; ++i) { |
| 46 | b = burn(); |
| 47 | check(b); // all OK |
| 48 | } |
| 49 | %OptimizeFunctionOnNextCall(burn); |
| 50 | b = burn(); |
| 51 | check(b); // fails |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 52 | |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 53 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 54 | function loop_test(x) { |
| 55 | for (i=0;i<3;i++) { |
| 56 | x[i] = (i+1) * 0.5; |
| 57 | } |
| 58 | } |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 59 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 60 | function check2(b) { |
| 61 | assertEquals(0.5, b[0]); |
| 62 | assertEquals(1.0, b[1]); |
| 63 | assertEquals(1.5, b[2]); |
| 64 | } |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 65 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 66 | for (var i = 0; i < 3; ++i) { |
| 67 | b = [0,1,2]; |
| 68 | loop_test(b); |
| 69 | check2(b); |
| 70 | } |
| 71 | %OptimizeFunctionOnNextCall(loop_test); |
| 72 | b = [0,1,2]; |
| 73 | loop_test(b); |
| 74 | check2(b); |