Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 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 | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 28 | // Flags: --allow-natives-syntax |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 29 | |
| 30 | (function OneByteSeqStringSetCharDeoptOsr() { |
| 31 | function deopt() { |
| 32 | %DeoptimizeFunction(f); |
| 33 | } |
| 34 | |
| 35 | function f(string, osr) { |
| 36 | var world = " world"; |
| 37 | %_OneByteSeqStringSetChar(0, (deopt(), 0x48), string); |
| 38 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | for (var i = 0; osr && i < 2; i++) %OptimizeOsr(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 40 | |
| 41 | return string + world; |
| 42 | } |
| 43 | |
| 44 | assertEquals("Hello " + "world", f("hello", false)); |
| 45 | %OptimizeFunctionOnNextCall(f); |
| 46 | assertEquals("Hello " + "world", f("hello", true)); |
| 47 | })(); |
| 48 | |
| 49 | |
| 50 | (function OneByteSeqStringSetCharDeopt() { |
| 51 | function deopt() { |
| 52 | %DeoptimizeFunction(f); |
| 53 | } |
| 54 | |
| 55 | function g(x) { |
| 56 | } |
| 57 | |
| 58 | function f(string) { |
| 59 | g(%_OneByteSeqStringSetChar(0, (deopt(), 0x48), string)); |
| 60 | return string; |
| 61 | } |
| 62 | |
| 63 | assertEquals("Hell" + "o", f("hello")); |
| 64 | %OptimizeFunctionOnNextCall(f); |
| 65 | assertEquals("Hell" + "o", f("hello")); |
| 66 | })(); |
| 67 | |
| 68 | |
| 69 | (function TwoByteSeqStringSetCharDeopt() { |
| 70 | function deopt() { |
| 71 | %DeoptimizeFunction(f); |
| 72 | } |
| 73 | |
| 74 | function g(x) { |
| 75 | } |
| 76 | |
| 77 | function f(string) { |
| 78 | g(%_TwoByteSeqStringSetChar(0, (deopt(), 0x48), string)); |
| 79 | return string; |
| 80 | } |
| 81 | |
| 82 | assertEquals("Hell" + "o", f("\u20ACello")); |
| 83 | %OptimizeFunctionOnNextCall(f); |
| 84 | assertEquals("Hell" + "o", f("\u20ACello")); |
| 85 | })(); |