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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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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: --expose-gc --allow-natives-syntax 28 // Flags: --expose-gc --allow-natives-syntax
29 29
30 // Check that we are not flushing code for inlined functions that 30 // Check that we are not flushing code for inlined functions that
31 // have a pending lazy deoptimization on the stack. 31 // have a pending lazy deoptimization on the stack.
32 32
33 %NeverOptimizeFunction(deopt);
33 function deopt() { 34 function deopt() {
34 %NeverOptimize();
35 %DeoptimizeFunction(outer); 35 %DeoptimizeFunction(outer);
36 for (var i = 0; i < 10; i++) gc(); // Force code flushing. 36 for (var i = 0; i < 10; i++) gc(); // Force code flushing.
37 } 37 }
38 38
39 function outer(should_deopt) { 39 function outer(should_deopt) {
40 inner(should_deopt); 40 inner(should_deopt);
41 } 41 }
42 42
43 function inner(should_deopt) { 43 function inner(should_deopt) {
44 if (should_deopt) deopt(); 44 if (should_deopt) deopt();
45 } 45 }
46 46
47 outer(false); 47 outer(false);
48 outer(false); 48 outer(false);
49 %OptimizeFunctionOnNextCall(outer); 49 %OptimizeFunctionOnNextCall(outer);
50 outer(true); 50 outer(true);
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