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Issue 913463002: Reduce the number of iterations in some OSR tests by using an explicit %OptimizeOsr(). (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 10 months ago
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1 // Copyright 2011 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: --opt-eagerly --debug-code --lazy
29
30 // See: http://code.google.com/p/v8/issues/detail?id=1145
31 // Should not throw a syntax error exception (change this if we make lazily
32 // compiled functions with syntax errors into early errors).
33 // Should not hit an assertion in debug mode.
34
titzer 2015/02/10 09:32:41 As discussed in person, this test essentially enfo
35 // A lazily compiled function with a syntax error that is attempted inlined
36 // would set a pending exception that is then ignored (until it triggers
37 // an assert).
38 // This file must be at least 1024 bytes long to trigger lazy compilation.
39
40 function f() { return 1; }
41
42 // Must be lazy. Must throw SyntaxError during compilation.
43 function fail() { continue; }
44
45 function opt_me() {
46 var x = 1;
47 // Do lots of function calls and hope to be optimized.
48 for (var i = 0; i < 1000000; i++) {
49 x = f();
50 }
51 if (x == 0) fail(); // Hope to be inlined during optimization.
52 }
53
54 opt_me();
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