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comparison graal/GraalCompiler/src/com/sun/c1x/ir/Return.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/Return.java@9ec15d6914ca
children 0c6564c254af
comparison
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 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.cri.ci.*;
27
28 /**
29 * The {@code Return} class definition.
30 *
31 * @author Ben L. Titzer
32 */
33 public final class Return extends BlockEnd {
34
35 Value result;
36
37 /**
38 * Constructs a new Return instruction.
39 * @param result the instruction producing the result for this return; {@code null} if this
40 * is a void return
41 * @param isSafepoint {@code true} if this instruction is a safepoint instruction
42 */
43 public Return(Value result, boolean isSafepoint) {
44 super(result == null ? CiKind.Void : result.kind, null, isSafepoint);
45 this.result = result;
46 }
47
48 /**
49 * Gets the instruction that produces the result for the return.
50 * @return the instruction producing the result
51 */
52 public Value result() {
53 return result;
54 }
55
56 @Override
57 public void inputValuesDo(ValueClosure closure) {
58 if (result != null) {
59 result = closure.apply(result);
60 }
61 }
62
63 @Override
64 public void accept(ValueVisitor v) {
65 v.visitReturn(this);
66 }
67
68 @Override
69 public void print(LogStream out) {
70 if (result == null) {
71 out.print("return");
72 } else {
73 out.print(kind.typeChar).print("return ").print(result);
74 }
75 }
76 }