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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 // Test expressions that can be computed with a multiply-add instruction. | |
30 | 29 |
31 function f(a, b, c) { | 30 // Test deopt after generic store with effect context. |
32 return a - b * c; | 31 var pro = { x : 1 } |
| 32 var a = {} |
| 33 a.__proto__ = pro |
| 34 delete pro.x |
| 35 |
| 36 function g(o) { |
| 37 return 7 + (o.z = 1, 20); |
33 } | 38 } |
34 | 39 |
35 function g(a, b, c) { | 40 g(a); |
36 return a * b - c; | 41 g(a); |
| 42 %OptimizeFunctionOnNextCall(g); |
| 43 Object.defineProperty(pro, "z", { |
| 44 set: function(v) { %DeoptimizeFunction(g); }, |
| 45 get: function() { return 20; } |
| 46 }); |
| 47 |
| 48 assertEquals(27, g(a)); |
| 49 |
| 50 // Test deopt after polymorphic as monomorphic store with effect context. |
| 51 |
| 52 var i = { z : 2, r : 1 } |
| 53 var j = { z : 2 } |
| 54 var p = { a : 10 } |
| 55 var pp = { a : 20, b : 1 } |
| 56 |
| 57 function bar(o, p) { |
| 58 return 7 + (o.z = 1, p.a); |
37 } | 59 } |
38 | 60 |
39 function h(a, b, c, d) { | 61 bar(i, p); |
40 return a * b - c * d; | 62 bar(i, p); |
| 63 bar(j, p); |
| 64 %OptimizeFunctionOnNextCall(bar); |
| 65 assertEquals(27, bar(i, pp)); |
| 66 |
| 67 // Test deopt after polymorphic store with effect context. |
| 68 |
| 69 var i = { r : 1, z : 2 } |
| 70 var j = { z : 2 } |
| 71 var p = { a : 10 } |
| 72 var pp = { a : 20, b : 1 } |
| 73 |
| 74 function bar1(o, p) { |
| 75 return 7 + (o.z = 1, p.a); |
41 } | 76 } |
42 | 77 |
43 assertEquals(-5.41, f(1.1, 2.1, 3.1)); | 78 bar1(i, p); |
44 assertEquals(-5.41, f(1.1, 2.1, 3.1)); | 79 bar1(i, p); |
45 %OptimizeFunctionOnNextCall(f); | 80 bar1(j, p); |
46 assertEquals(-5.41, f(1.1, 2.1, 3.1)); | 81 %OptimizeFunctionOnNextCall(bar1); |
47 | 82 assertEquals(27, bar1(i, pp)); |
48 assertEquals(8.36, g(2.2, 3.3, -1.1)); | |
49 assertEquals(8.36, g(2.2, 3.3, -1.1)); | |
50 %OptimizeFunctionOnNextCall(g); | |
51 assertEquals(8.36, g(2.2, 3.3, -1.1)); | |
52 | |
53 assertEquals(-1.5, h(1.5, 3.0, 12, 0.5)); | |
54 assertEquals(-1.5, h(1.5, 3.0, 12, 0.5)); | |
55 %OptimizeFunctionOnNextCall(h); | |
56 assertEquals(-1.5, h(1.5, 3.0, 12, 0.5)); | |
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