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 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 28 | // Flags: --allow-natives-syntax |
| 29 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 30 | // Test that we can inline a function that returns a constant. |
| 31 | function TestInlineConstant(o) { |
| 32 | // Effect context. |
| 33 | o.f(); |
| 34 | // Value context. |
| 35 | var x = o.f(); |
| 36 | assertEquals(42, x); |
| 37 | assertEquals(42, o.f()); |
| 38 | // Test context. |
| 39 | if (!o.f()) { |
| 40 | assertTrue(false); // Should not happen. |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | var o1 = {}; |
| 45 | o1.f = function() { return 42; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 46 | for (var i = 0; i < 5; i++) TestInlineConstant(o1); |
| 47 | %OptimizeFunctionOnNextCall(TestInlineConstant); |
| 48 | TestInlineConstant(o1); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 49 | TestInlineConstant({f: o1.f}); |
| 50 | |
| 51 | |
| 52 | // Test that we can inline a function that returns 'this'. |
| 53 | function TestInlineThis(o) { |
| 54 | // Effect context. |
| 55 | o.g(); |
| 56 | // Value context. |
| 57 | var x = o.g(); |
| 58 | assertEquals(o, x); |
| 59 | assertEquals(o, o.g()); |
| 60 | // Test context. |
| 61 | if (!o.g()) { |
| 62 | assertTrue(false); // Should not happen. |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | var o2 = {}; |
| 67 | o2.g = function() { return this; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 68 | for (var i = 0; i < 5; i++) TestInlineThis(o2); |
| 69 | %OptimizeFunctionOnNextCall(TestInlineThis); |
| 70 | TestInlineThis(o2); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 71 | TestInlineThis({g: o2.g}); |
| 72 | |
| 73 | |
| 74 | // Test that we can inline a function that returns 'this.x'. |
| 75 | function TestInlineThisX(o) { |
| 76 | // Effect context. |
| 77 | o.h(); |
| 78 | // Value context. |
| 79 | var x = o.h(); |
| 80 | assertEquals(42, x); |
| 81 | assertEquals(42, o.h()); |
| 82 | // Test context. |
| 83 | if (!o.h()) { |
| 84 | assertTrue(false); // Should not happen. |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | var o3 = {y:0,x:42}; |
| 89 | o3.h = function() { return this.x; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 90 | for (var i = 0; i < 5; i++) TestInlineThisX(o3); |
| 91 | %OptimizeFunctionOnNextCall(TestInlineThisX); |
| 92 | TestInlineThisX(o3); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 93 | TestInlineThisX({h: o3.h, x:42}); |
| 94 | |
| 95 | |
| 96 | // Test that we can inline a function that returns 'this.x.length'. |
| 97 | function TestInlineThisXLength(o) { |
| 98 | // Effect context. |
| 99 | o.h(); |
| 100 | // Value context. |
| 101 | var x = o.h(); |
| 102 | assertEquals(3, x); |
| 103 | assertEquals(3, o.h()); |
| 104 | // Test context. |
| 105 | if (!o.h()) { |
| 106 | assertTrue(false); // Should not happen. |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | var o4 = {x:[1,2,3]}; |
| 111 | o4.h = function() { return this.x.length; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 112 | for (var i = 0; i < 5; i++) TestInlineThisXLength(o4); |
| 113 | %OptimizeFunctionOnNextCall(TestInlineThisXLength); |
| 114 | TestInlineThisXLength(o4); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 115 | TestInlineThisXLength({h: o4.h, x:[1,2,3]}); |
| 116 | |
| 117 | |
| 118 | // Test that we can inline a function that returns 'this.x.y'. |
| 119 | function TestInlineThisXY(o) { |
| 120 | // Effect context. |
| 121 | o.h(); |
| 122 | // Value context. |
| 123 | var x = o.h(); |
| 124 | assertEquals(42, x); |
| 125 | assertEquals(42, o.h()); |
| 126 | // Test context. |
| 127 | if (!o.h()) { |
| 128 | assertTrue(false); // Should not happen. |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | var o6 = {y:42} |
| 133 | var o5 = {e:o6}; |
| 134 | o5.h = function() { return this.e.y; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 135 | for (var i = 0; i < 5; i++) TestInlineThisXY(o5); |
| 136 | %OptimizeFunctionOnNextCall(TestInlineThisXY); |
| 137 | TestInlineThisXY(o5); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 138 | TestInlineThisXY({h: o5.h, e:o6}); |
| 139 | |
| 140 | |
| 141 | // Test that we can inline a function that returns 'this.x.length'. |
| 142 | function TestInlineThisX0(o) { |
| 143 | // Effect context. |
| 144 | o.foo(); |
| 145 | // Value context. |
| 146 | var x = o.foo(); |
| 147 | assertEquals(42, x); |
| 148 | assertEquals(42, o.foo()); |
| 149 | // Test context. |
| 150 | if (!o.foo()) { |
| 151 | assertTrue(false); // Should not happen. |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | var o7 = {x:[42,43,44]}; |
| 156 | o7.foo = function() { return this.x[0]; }; |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 157 | for (var i = 0; i < 5; i++) TestInlineThisX0(o7); |
| 158 | %OptimizeFunctionOnNextCall(TestInlineThisX0); |
| 159 | TestInlineThisX0(o7); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 160 | TestInlineThisX0({foo: o7.foo, x:[42,0,0]}); |