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comparison graal/com.oracle.max.graal.compiler/src/com/sun/c1x/ir/Local.java @ 2872:0341b6424579

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Project renaming.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:42:25 +0200
parents graal/GraalCompiler/src/com/sun/c1x/ir/Local.java@14708c03abba
children
comparison
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2871:d704eb526603 2872:0341b6424579
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.oracle.graal.graph.*;
26 import com.sun.c1x.debug.*;
27 import com.sun.cri.ci.*;
28 import com.sun.cri.ri.*;
29
30 /**
31 * The {@code Local} instruction is a placeholder for an incoming argument
32 * to a function call.
33 */
34 public final class Local extends FloatingNode {
35
36 private static final int INPUT_COUNT = 1;
37
38 private static final int SUCCESSOR_COUNT = 0;
39
40 private final int index;
41 private RiType declaredType;
42
43 public Local(CiKind kind, int javaIndex, Graph graph) {
44 super(kind, INPUT_COUNT, SUCCESSOR_COUNT, graph);
45 this.index = javaIndex;
46 }
47
48 /**
49 * Gets the index of this local.
50 * @return the index
51 */
52 public int index() {
53 return index;
54 }
55
56 /**
57 * Sets the declared type of this local, e.g. derived from the signature of the method.
58 * @param declaredType the declared type of the local variable
59 */
60 public void setDeclaredType(RiType declaredType) {
61 this.declaredType = declaredType;
62 }
63
64 /**
65 * Computes the declared type of the result of this instruction, if possible.
66 * @return the declared type of the result of this instruction, if it is known; {@code null} otherwise
67 */
68 @Override
69 public RiType declaredType() {
70 return declaredType;
71 }
72
73 @Override
74 public void accept(ValueVisitor v) {
75 v.visitLocal(this);
76 }
77
78 @Override
79 public void print(LogStream out) {
80 out.print("local[index ").print(index()).print(']');
81 }
82
83 @Override
84 protected int inputCount() {
85 return super.inputCount() + INPUT_COUNT;
86 }
87
88 @Override
89 protected int successorCount() {
90 return super.successorCount() + SUCCESSOR_COUNT;
91 }
92
93 @Override
94 public Node copy(Graph into) {
95 Local x = new Local(kind, index, into);
96 x.setDeclaredType(declaredType());
97 return x;
98 }
99 }