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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --allow-natives-syntax --block-concurrent-recompilation | 5 // Flags: --allow-natives-syntax --block-concurrent-recompilation |
6 // Flags: --no-concurrent-osr | 6 // Flags: --no-concurrent-osr |
7 | 7 |
8 function Ctor() { | 8 function Ctor() { |
9 this.a = 1; | 9 this.a = 1; |
10 } | 10 } |
11 | 11 |
12 function get_closure() { | 12 function get_closure() { |
13 return function add_field(obj, osr) { | 13 return function add_field(obj, osr) { |
14 obj.c = 3; | 14 obj.c = 3; |
15 var x = 0; | 15 var x = 0; |
16 if (osr) { | 16 if (osr) %OptimizeOsr(); |
17 %OptimizeFunctionOnNextCall(add_field, "osr"); | |
18 } | |
19 for (var i = 0; i < 10; i++) { | 17 for (var i = 0; i < 10; i++) { |
20 x = i + 1; | 18 x = i + 1; |
21 } | 19 } |
22 return x; | 20 return x; |
23 } | 21 } |
24 } | 22 } |
25 | 23 |
26 var f1 = get_closure(); | 24 var f1 = get_closure(); |
27 f1(new Ctor(), false); | 25 f1(new Ctor(), false); |
28 f1(new Ctor(), false); | 26 f1(new Ctor(), false); |
29 | 27 |
30 %OptimizeFunctionOnNextCall(f1, "concurrent"); | 28 %OptimizeFunctionOnNextCall(f1, "concurrent"); |
31 | 29 |
32 // Kick off concurrent recompilation and OSR. | 30 // Kick off concurrent recompilation and OSR. |
33 var o = new Ctor(); | 31 var o = new Ctor(); |
34 f1(o, true); | 32 f1(o, true); |
35 assertOptimized(f1, "no sync"); | 33 assertOptimized(f1, "no sync"); |
36 | 34 |
37 // Flush the optimizing compiler's queue. | 35 // Flush the optimizing compiler's queue. |
38 %NotifyContextDisposed(); | 36 %NotifyContextDisposed(); |
39 assertUnoptimized(f1, "no sync"); | 37 assertUnoptimized(f1, "no sync"); |
40 | 38 |
41 // Trigger deopt. | 39 // Trigger deopt. |
42 o.c = 2.2; | 40 o.c = 2.2; |
43 | 41 |
44 var f2 = get_closure(); | 42 var f2 = get_closure(); |
45 f2(new Ctor(), true); | 43 f2(new Ctor(), true); |
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