Mercurial > hg > graal-jvmci-8
annotate graal/Compiler/src/com/sun/c1x/ir/TypeEqualityCheck.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:43:22 +0200 |
parents | |
children |
rev | line source |
---|---|
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1 /* |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
4 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
8 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
13 * accompanied this code). |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
14 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
18 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
21 * questions. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
22 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
23 package com.sun.c1x.ir; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
24 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
25 import com.sun.c1x.debug.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
26 import com.sun.c1x.value.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
27 import com.sun.cri.ci.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
28 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
29 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
30 * Checks the types of the two input values and deoptimizes if the condition does not hold. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
31 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
32 * @author Thomas Wuerthinger |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
33 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
34 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
35 public final class TypeEqualityCheck extends Guard { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
36 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
37 Value left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
38 Value right; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
39 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
40 public TypeEqualityCheck(Value left, Value right, FrameState stateBefore, Condition condition) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
41 super(condition, stateBefore); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
42 this.left = left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
43 this.right = right; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
44 assert left.kind == CiKind.Object; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
45 assert right.kind == CiKind.Object; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
46 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
47 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
48 public Value left() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
49 return left; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
50 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
51 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
52 public Value right() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
53 return right; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
54 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
55 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
56 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
57 public void inputValuesDo(ValueClosure closure) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
58 left = closure.apply(left); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
59 right = closure.apply(right); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
60 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
61 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
62 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
63 public void accept(ValueVisitor v) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
64 v.visitTypeEqualityCheck(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
65 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
66 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
67 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
68 public void print(LogStream out) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
69 out.print("typeEqualityCheck ").print(left).print(" ").print(right); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
70 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
71 } |