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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 --expose-gc | 28 // Flags: --allow-natives-syntax --expose-gc |
| 29 // Flags: --parallel-recompilation --manual-parallel-recompilation |
29 | 30 |
30 /** | 31 function assertOptimized(fun) { |
31 * The possible optimization states of a function. Must be in sync with the | 32 // This assertion takes --always-opt and --nocrankshaft flags into account. |
32 * return values of Runtime_GetOptimizationStatus() in runtime.cc! | 33 assertTrue(%GetOptimizationStatus(fun) != 2); |
33 */ | |
34 | |
35 var OptimizationState = { | |
36 YES: 1, | |
37 NO: 2, | |
38 ALWAYS: 3, | |
39 NEVER: 4 | |
40 }; | |
41 | |
42 function simple() { | |
43 return simple_two_args(0, undefined); | |
44 } | 34 } |
45 | 35 |
46 function simple_two_args(always_zero, always_undefined) { | 36 function assertUnoptimized(fun) { |
47 var always_five = always_undefined || 5; | 37 assertTrue(%GetOptimizationStatus(fun) != 1); |
48 return always_zero * always_five * .5; | |
49 } | 38 } |
50 | 39 |
| 40 function f(x) { |
| 41 var xx = x * x; |
| 42 var xxstr = xx.toString(); |
| 43 return xxstr.length; |
| 44 } |
51 | 45 |
52 simple(); | 46 function g(x) { |
53 simple(); | 47 var xxx = Math.sqrt(x) | 0; |
54 %OptimizeFunctionOnNextCall(simple); | 48 var xxxstr = xxx.toString(); |
55 simple(); | 49 return xxxstr.length; |
56 var raw_optimized = %GetOptimizationStatus(simple); | 50 } |
57 assertFalse(raw_optimized == OptimizationState.NO); | 51 |
| 52 function k(x) { |
| 53 return x * x; |
| 54 } |
| 55 |
| 56 f(g(1)); |
| 57 f(g(2)); |
| 58 assertUnoptimized(f); |
| 59 assertUnoptimized(g); |
| 60 |
| 61 %ForceParallelRecompile(f); |
| 62 %ForceParallelRecompile(g); |
| 63 assertUnoptimized(f); |
| 64 assertUnoptimized(g); |
| 65 |
| 66 var sum = 0; |
| 67 for (var i = 0; i < 10000; i++) sum += f(i) + g(i); |
58 gc(); | 68 gc(); |
59 | 69 |
| 70 assertEquals(95274, sum); |
| 71 assertUnoptimized(f); |
| 72 assertUnoptimized(g); |
| 73 |
| 74 %InstallRecompiledCode(f); |
| 75 assertOptimized(f); |
| 76 assertUnoptimized(g); |
| 77 |
| 78 %InstallRecompiledCode("the rest"); |
| 79 assertOptimized(g); |
| 80 |
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