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 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 5 | // Flags: --allow-natives-syntax --use-osr |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 6 | |
| 7 | function id(f) { return f; } |
| 8 | |
| 9 | function foo(a) { |
| 10 | var r = /\0/; |
| 11 | for (var i = 0; i < 10; i++) { |
| 12 | if (a) %OptimizeOsr(); |
| 13 | } |
| 14 | return r; |
| 15 | } |
| 16 | |
| 17 | function bar(a) { |
| 18 | for (var i = 0; i < 10; i++) { |
| 19 | if (a) %OptimizeOsr(); |
| 20 | var r = /\0/; |
| 21 | } |
| 22 | return r; |
| 23 | } |
| 24 | |
| 25 | function baz(a) { |
| 26 | for (var i = 0; i < 10; i++) { |
| 27 | if (a) %OptimizeOsr(); |
| 28 | } |
| 29 | return /\0/; |
| 30 | } |
| 31 | |
| 32 | function qux(a) { |
| 33 | for (var i = 0; i < 10; i++) { |
| 34 | if (i > 5 && a) { |
| 35 | %OptimizeOsr(); |
| 36 | } else { |
| 37 | var r = /\0/; |
| 38 | } |
| 39 | } |
| 40 | return r; |
| 41 | } |
| 42 | |
| 43 | function test(f) { |
| 44 | // Test the reference equality of regex's created in OSR'd function. |
| 45 | var x = f(false); |
| 46 | assertEquals(x, f(true)); |
| 47 | assertEquals(x, f(true)); |
| 48 | assertEquals(x, f(true)); |
| 49 | } |
| 50 | |
| 51 | test(foo); |
| 52 | test(bar); |
| 53 | test(baz); |
| 54 | test(qux); |