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comparison graal/GraalCompiler/src/com/sun/c1x/ir/TypeEqualityCheck.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/ir/TypeEqualityCheck.java@9ec15d6914ca
children
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x.ir;
24
25 import com.sun.c1x.debug.*;
26 import com.sun.c1x.value.*;
27 import com.sun.cri.ci.*;
28
29 /**
30 * Checks the types of the two input values and deoptimizes if the condition does not hold.
31 *
32 * @author Thomas Wuerthinger
33 *
34 */
35 public final class TypeEqualityCheck extends Guard {
36
37 Value left;
38 Value right;
39
40 public TypeEqualityCheck(Value left, Value right, FrameState stateBefore, Condition condition) {
41 super(condition, stateBefore);
42 this.left = left;
43 this.right = right;
44 assert left.kind == CiKind.Object;
45 assert right.kind == CiKind.Object;
46 }
47
48 public Value left() {
49 return left;
50 }
51
52 public Value right() {
53 return right;
54 }
55
56 @Override
57 public void inputValuesDo(ValueClosure closure) {
58 left = closure.apply(left);
59 right = closure.apply(right);
60 }
61
62 @Override
63 public void accept(ValueVisitor v) {
64 v.visitTypeEqualityCheck(this);
65 }
66
67 @Override
68 public void print(LogStream out) {
69 out.print("typeEqualityCheck ").print(left).print(" ").print(right);
70 }
71 }