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 // Flags: --allow-natives-syntax 29 30 // Test that we can inline a call with a parameter. 31 function TestInlineOneParam(o, p) { 32 // Effect context. 33 o.f(p); 34 // Value context. 35 var x = o.f(p); 36 assertEquals(42, x); 37 assertEquals(42, o.f(p)); 38 // Test context. 39 if (!o.f(p)) { 40 assertTrue(false); // Should not happen. 41 } 42 } 43 44 var obj = {x:42}; 45 var o1 = {}; 46 o1.f = function(o) { return o.x; }; 47 for (var i = 0; i < 5; i++) TestInlineOneParam(o1, obj); 48 %OptimizeFunctionOnNextCall(TestInlineOneParam); 49 TestInlineOneParam(o1, obj); 50 TestInlineOneParam({f: o1.f}, {x:42}); 51 52 53 function TestInlineTwoParams(o, p) { 54 var y = 43; 55 // Effect context. 56 o.h(y, y); 57 // Value context. 58 var x = o.h(p, y); 59 assertEquals(true, x); 60 assertEquals(false, o.h(y, p)); 61 // Test context. 62 if (!o.h(p, y)) { 63 assertTrue(false); // Should not happen. 64 } 65 66 // Perform the same tests again, but this time with non-trivial 67 // expressions as the parameters. 68 69 // Effect context. 70 o.h(y + 1, y + 1); 71 // Value context. 72 var x = o.h(p + 1, y + 1); 73 assertEquals(true, x); 74 assertEquals(false, o.h(y + 1, p + 1)); 75 // Test context. 76 if (!o.h(p + 1, y + 1)) { 77 assertTrue(false); // Should not happen. 78 } 79 } 80 81 var o2 = {}; 82 o2.h = function(i, j) { return i < j; }; 83 for (var i = 0; i < 5; i++) TestInlineTwoParams(o2, 42); 84 %OptimizeFunctionOnNextCall(TestInlineTwoParams); 85 TestInlineTwoParams(o2, 42); 86 TestInlineTwoParams({h: o2.h}, 42); 87