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Issue 11028027: Revert trunk to bleeding_edge at r12484 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 8 years, 2 months ago
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1 // Copyright 2012 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 materialization of the arguments object when deoptimizing a
31 // strict mode closure after modifying an argument.
32
33 (function () {
34 var forceDeopt = 0;
35 function inner(x) {
36 "use strict";
37 x = 2;
38 // Do not remove this %DebugPrint as it makes sure the deopt happens
39 // after the assignment and is not hoisted above the assignment.
40 %DebugPrint(arguments[0]);
41 forceDeopt + 1;
42 return arguments[0];
43 }
44
45 assertEquals(1, inner(1));
46 assertEquals(1, inner(1));
47 %OptimizeFunctionOnNextCall(inner);
48 assertEquals(1, inner(1));
49 forceDeopt = "not a number";
50 assertEquals(1, inner(1));
51 })();
52
53
54 // Test materialization of the arguments object when deoptimizing an
55 // inlined strict mode closure after modifying an argument.
56
57 (function () {
58 var forceDeopt = 0;
59 function inner(x) {
60 "use strict";
61 x = 2;
62 // Do not remove this %DebugPrint as it makes sure the deopt happens
63 // after the assignment and is not hoisted above the assignment.
64 %DebugPrint(arguments[0]);
65 forceDeopt + 1;
66 return arguments[0];
67 }
68
69 function outer(x) {
70 return inner(x);
71 }
72
73 assertEquals(1, outer(1));
74 assertEquals(1, outer(1));
75 %OptimizeFunctionOnNextCall(outer);
76 assertEquals(1, outer(1));
77 forceDeopt = "not a number";
78 assertEquals(1, outer(1));
79 })();
80
81
82 // Test materialization of the multiple arguments objects when
83 // deoptimizing several inlined closure after modifying an argument.
84
85 (function () {
86 var forceDeopt = 0;
87 function inner(x,y,z) {
88 "use strict";
89 x = 3;
90 // Do not remove this %DebugPrint as it makes sure the deopt happens
91 // after the assignment and is not hoisted above the assignment.
92 %DebugPrint(arguments[0]);
93 forceDeopt + 1;
94 return arguments[0];
95 }
96
97 function middle(x) {
98 "use strict";
99 x = 2;
100 return inner(10*x, 20*x, 30*x) + arguments[0];
101 }
102
103 function outer(x) {
104 return middle(x);
105 }
106
107 assertEquals(21, outer(1));
108 assertEquals(21, outer(1));
109 %OptimizeFunctionOnNextCall(outer);
110 assertEquals(21, outer(1));
111 forceDeopt = "not a number";
112 assertEquals(21, outer(1));
113 })();
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