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| 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: --use-osr --allow-natives-syntax --turbo-osr |
| 6 |
| 7 var global_counter = 0; |
| 8 |
| 9 function thrower() { |
| 10 var x = global_counter++; |
| 11 if (x == 5) %OptimizeOsr(thrower.caller); |
| 12 if (x == 10) throw "terminate"; |
| 13 } |
| 14 |
| 15 %NeverOptimizeFunction(thrower); // Don't want to inline the thrower. |
| 16 %NeverOptimizeFunction(test); // Don't want to inline the func into test. |
| 17 |
| 18 function test(func) { |
| 19 for (var i = 0; i < 3; i++) { |
| 20 global_counter = 0; |
| 21 assertThrows(func); |
| 22 } |
| 23 } |
| 24 |
| 25 function n1() { |
| 26 while (true) thrower(); |
| 27 } |
| 28 |
| 29 function n2() { |
| 30 while (true) while (true) thrower(); |
| 31 } |
| 32 |
| 33 function n3() { |
| 34 while (true) while (true) while (true) thrower(); |
| 35 } |
| 36 |
| 37 function n4() { |
| 38 while (true) while (true) while (true) while (true) thrower(); |
| 39 } |
| 40 |
| 41 function b1(a) { |
| 42 while (true) { |
| 43 thrower(); |
| 44 if (a) break |
| 45 } |
| 46 } |
| 47 |
| 48 |
| 49 function b2(a) { |
| 50 while (true) { |
| 51 while (true) { |
| 52 thrower(); |
| 53 if (a) break |
| 54 } |
| 55 } |
| 56 } |
| 57 |
| 58 |
| 59 function b3(a) { |
| 60 while (true) { |
| 61 while (true) { |
| 62 while (true) { |
| 63 thrower(); |
| 64 if (a) break |
| 65 } |
| 66 if (a) break |
| 67 } |
| 68 } |
| 69 } |
| 70 |
| 71 |
| 72 test(n1); |
| 73 test(n2); |
| 74 test(n3); |
| 75 test(n4); |
| 76 test(b1); |
| 77 test(b2); |
| 78 test(b3); |
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