Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax --use-osr --turbo-osr |
| 6 | |
| 7 | "use strict"; |
| 8 | |
| 9 | function test(expected, func) { |
| 10 | assertEquals(expected, func()); |
| 11 | assertEquals(expected, func()); |
| 12 | assertEquals(expected, func()); |
| 13 | } |
| 14 | |
| 15 | function foo() { |
| 16 | var result = 0; |
| 17 | { |
| 18 | let x = 0; |
| 19 | var temp_x = x; |
| 20 | var first = 1; |
| 21 | outer: while (true) { |
| 22 | let x = temp_x; |
| 23 | if (first == 1) first = 0; |
| 24 | else x = x + 1 | 0; |
| 25 | var flag = 1; |
| 26 | for (; flag == 1; (flag = 0, temp_x = x)) { |
| 27 | if (x < 2) { |
| 28 | result = x; %OptimizeOsr(); |
| 29 | } else { |
| 30 | break outer; |
| 31 | } |
| 32 | } |
| 33 | if (flag == 1) break; |
| 34 | } |
| 35 | } |
| 36 | return result; |
| 37 | } |
| 38 | |
| 39 | test(1, foo); |
| 40 | |
| 41 | |
| 42 | function smo() { |
| 43 | var result = 0; |
| 44 | { |
| 45 | let x = 11; |
| 46 | outer: while (true) { |
| 47 | let y = x; |
| 48 | for (var i = 0; i < 5; i++) { |
| 49 | %OptimizeOsr(); |
| 50 | if (i) break outer; |
| 51 | else result = y; |
| 52 | } |
| 53 | } |
| 54 | } |
| 55 | return result; |
| 56 | } |
| 57 | |
| 58 | test(11, smo); |