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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax | 28 // Flags: --allow-natives-syntax |
29 // Flags: --parallel-recompilation --parallel-recompilation-delay=50 | 29 // Flags: --parallel-recompilation --parallel-recompilation-delay=100 |
30 | 30 |
31 if (!%IsParallelRecompilationSupported()) { | 31 if (!%IsParallelRecompilationSupported()) { |
32 print("Parallel recompilation is disabled. Skipping this test."); | 32 print("Parallel recompilation is disabled. Skipping this test."); |
33 quit(); | 33 quit(); |
34 } | 34 } |
35 | 35 |
36 function assertUnoptimized(fun) { | |
37 assertTrue(%GetOptimizationStatus(fun) != 1); | |
38 } | |
39 | |
40 function f1(a, i) { | 36 function f1(a, i) { |
41 return a[i] + 0.5; | 37 return a[i] + 0.5; |
42 } | 38 } |
43 | 39 |
44 var arr = [0.0,,2.5]; | 40 var arr = [0.0,,2.5]; |
45 assertEquals(0.5, f1(arr, 0)); | 41 assertEquals(0.5, f1(arr, 0)); |
46 assertEquals(0.5, f1(arr, 0)); | 42 assertEquals(0.5, f1(arr, 0)); |
47 | 43 |
48 // Optimized code of f1 depends on initial object and array maps. | 44 // Optimized code of f1 depends on initial object and array maps. |
49 %OptimizeFunctionOnNextCall(f1, "parallel"); | 45 %OptimizeFunctionOnNextCall(f1, "parallel"); |
| 46 // Trigger optimization in the background thread |
50 assertEquals(0.5, f1(arr, 0)); | 47 assertEquals(0.5, f1(arr, 0)); |
51 assertUnoptimized(f1); // Not yet optimized. | |
52 Object.prototype[1] = 1.5; // Invalidate current initial object map. | 48 Object.prototype[1] = 1.5; // Invalidate current initial object map. |
53 assertEquals(2, f1(arr, 1)); | 49 assertEquals(2, f1(arr, 1)); |
54 %CompleteOptimization(f1); // Conclude optimization with... | 50 // Not yet optimized while background thread is running. |
55 assertUnoptimized(f1); // ... bailing out due to map dependency. | 51 assertUnoptimized(f1, "no sync"); |
| 52 // Sync with background thread to conclude optimization, which bails out |
| 53 // due to map dependency. |
| 54 assertUnoptimized(f1, "sync"); |
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