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Issue 19776006: Fix %NeverOptimizeFunction runtime call. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Add assert for safety. Created 7 years, 5 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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
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55 if (N == 0) return new Node(x, null); 55 if (N == 0) return new Node(x, null);
56 return new Node(new Array(1024), LongList(N - 1, x)); 56 return new Node(new Array(1024), LongList(N - 1, x));
57 } 57 }
58 58
59 var L = LongList(1024, function (O) { 59 var L = LongList(1024, function (O) {
60 for (var i = 0; i < 5; i++) O.f; 60 for (var i = 0; i < 5; i++) O.f;
61 }); 61 });
62 62
63 63
64 64
65 %NeverOptimizeFunction(Incremental);
65 function Incremental(O, x) { 66 function Incremental(O, x) {
66 if (!x) { 67 if (!x) {
67 return; 68 return;
68 } 69 }
69 function CreateCode(i) { 70 function CreateCode(i) {
70 var f = new Function("return O.f_" + i); 71 var f = new Function("return O.f_" + i);
71 CODE.push(f); 72 CODE.push(f);
72 f(); // compile 73 f(); // compile
73 f(); // compile 74 f(); // compile
74 f(); // compile 75 f(); // compile
75 } 76 }
76 77
77 for (var i = 0; i < 1e4; i++) CreateCode(i); 78 for (var i = 0; i < 1e4; i++) CreateCode(i);
78 gc(); 79 gc();
79 gc(); 80 gc();
80 gc(); 81 gc();
81 82
82 print(">>> 1 <<<"); 83 print(">>> 1 <<<");
83 84
84 L.execute(O); 85 L.execute(O);
85 86
86 %NeverOptimize();
87
88 L = null; 87 L = null;
89 print(">>> 2 <<<"); 88 print(">>> 2 <<<");
90 AllocateXMb(8); 89 AllocateXMb(8);
91 //rint("1"); 90 //rint("1");
92 //llocateXMb(8); 91 //llocateXMb(8);
93 //rint("1"); 92 //rint("1");
94 //llocateXMb(8); 93 //llocateXMb(8);
95 94
96 } 95 }
97 96
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118 var O1 = {}; 117 var O1 = {};
119 var O2 = {}; 118 var O2 = {};
120 var O3 = {}; 119 var O3 = {};
121 var O4 = {f:0}; 120 var O4 = {f:0};
122 121
123 foo(O1, false); 122 foo(O1, false);
124 foo(O2, false); 123 foo(O2, false);
125 foo(O3, false); 124 foo(O3, false);
126 %OptimizeFunctionOnNextCall(foo); 125 %OptimizeFunctionOnNextCall(foo);
127 foo(O4, true); 126 foo(O4, true);
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