Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1 | // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 | |
| 28 | // Test that we can inline a function that calls another function. |
| 29 | function TestInlineX(o) { |
| 30 | // Effect context. |
| 31 | o.g(); |
| 32 | // Value context. |
| 33 | var x = o.g(); |
| 34 | assertEquals(42, x); |
| 35 | assertEquals(42, o.g()); |
| 36 | // Test context. |
| 37 | if (!o.g()) { |
| 38 | assertTrue(false); // Should not happen. |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | var o2 = {}; |
| 43 | o2.size = function() { return 42; } |
| 44 | o2.g = function() { return this.size(); }; |
| 45 | for (var i = 0; i < 10000; i++) TestInlineX(o2); |
| 46 | TestInlineX({g: o2.g, size:o2.size}); |
| 47 | |
| 48 | |
| 49 | // Test that we can inline a call on a non-variable receiver. |
| 50 | function TestInlineX2(o) { |
| 51 | // Effect context. |
| 52 | o.h(); |
| 53 | // Value context. |
| 54 | var x = o.h(); |
| 55 | assertEquals(42, x); |
| 56 | assertEquals(42, o.h()); |
| 57 | // Test context. |
| 58 | if (!o.h()) { |
| 59 | assertTrue(false); // Should not happen. |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | var obj = {} |
| 64 | obj.foo = function() { return 42; } |
| 65 | var o3 = {}; |
| 66 | o3.v = obj; |
| 67 | o3.h = function() { return this.v.foo(); }; |
| 68 | for (var i = 0; i < 10000; i++) TestInlineX2(o3); |
| 69 | TestInlineX2({h: o3.h, v:obj}); |
| 70 | |
| 71 | |
| 72 | // Test that we can inline a call on a non-variable receiver. |
| 73 | function TestInlineFG(o) { |
| 74 | // Effect context. |
| 75 | o.h(); |
| 76 | // Value context. |
| 77 | var x = o.h(); |
| 78 | assertEquals(42, x); |
| 79 | assertEquals(42, o.h()); |
| 80 | // Test context. |
| 81 | if (!o.h()) { |
| 82 | assertTrue(false); // Should not happen. |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | var obj = {} |
| 87 | obj.g = function() { return 42; } |
| 88 | var o3 = {}; |
| 89 | o3.v = obj; |
| 90 | o3.f = function() { return this.v; } |
| 91 | o3.h = function() { return this.f().g(); }; |
| 92 | for (var i = 0; i < 10000; i++) TestInlineFG(o3); |
| 93 | TestInlineFG({h: o3.h, f: o3.f, v:obj}); |