Mercurial > hg > graal-compiler

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/cfg/Block.java @ 15107:1bf700e19e84

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make Loop generic.
author Josef Eisl <josef.eisl@jku.at>
date Wed, 09 Apr 2014 17:11:48 +0200
parents 18d5ffb7ac38
children df2ef5204f2b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
1 /*
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
4 *
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
7 * published by the Free Software Foundation.
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
8 *
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
13 * accompanied this code).
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
14 *
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
18 *
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
21 * questions.
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
22 */
6529
2e96dc4eb8e2 renamed package: com.oracle.graal.lir.cfg -> com.oracle.graal.nodes.cfg
Doug Simon <doug.simon@oracle.com>
parents: 6411
diff changeset
23 package com.oracle.graal.nodes.cfg;
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
24
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
25 import java.util.*;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
26
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
27 import com.oracle.graal.nodes.*;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
28 import com.oracle.graal.nodes.java.*;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
29
14797
18d5ffb7ac38 Create AbstractBlockBase.
Josef Eisl <josef.eisl@jku.at>
parents: 14146
diff changeset
30 public final class Block extends AbstractBlockBase<Block> {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
31
9436
ae815a4c112a Rename BeginNode => AbstractBeginNode and make abstract. Introduce concrete subclass BeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9234
diff changeset
32 protected final AbstractBeginNode beginNode;
9234
b9cf7d0b598e removal of FixedNode.probability (draft)
Christian Haeubl <haeubl@ssw.jku.at>
parents: 8441
diff changeset
33
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
34 protected FixedNode endNode;
15107
1bf700e19e84 Make Loop generic.
Josef Eisl <josef.eisl@jku.at>
parents: 14797
diff changeset
35 protected Loop<Block> loop;
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
36
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
37 protected List<Block> dominated;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
38 protected Block postdominator;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
39
9436
ae815a4c112a Rename BeginNode => AbstractBeginNode and make abstract. Introduce concrete subclass BeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9234
diff changeset
40 protected Block(AbstractBeginNode node) {
9234
b9cf7d0b598e removal of FixedNode.probability (draft)
Christian Haeubl <haeubl@ssw.jku.at>
parents: 8441
diff changeset
41 this.beginNode = node;
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
42 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
43
9436
ae815a4c112a Rename BeginNode => AbstractBeginNode and make abstract. Introduce concrete subclass BeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9234
diff changeset
44 public AbstractBeginNode getBeginNode() {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
45 return beginNode;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
46 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
47
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
48 public FixedNode getEndNode() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
49 return endNode;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
50 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
51
15107
1bf700e19e84 Make Loop generic.
Josef Eisl <josef.eisl@jku.at>
parents: 14797
diff changeset
52 public Loop<Block> getLoop() {
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
53 return loop;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
54 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
55
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
56 public int getLoopDepth() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
57 return loop == null ? 0 : loop.depth;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
58 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
59
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
60 public boolean isLoopHeader() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
61 return getBeginNode() instanceof LoopBeginNode;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
62 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
63
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
64 public boolean isLoopEnd() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
65 return getEndNode() instanceof LoopEndNode;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
66 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
67
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
68 public boolean isExceptionEntry() {
8441
21bf57680185 Fuse the ExceptionObject its DispatchBegin into a single node since it has to be atomic while gurads are floating
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8186
diff changeset
69 return getBeginNode() instanceof ExceptionObjectNode;
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
70 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
71
7499
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
72 public Block getFirstPredecessor() {
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
73 return predecessors.get(0);
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
74 }
ca3e5df0e6cf Small clean up of access to predecessor/successor of blocks.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7498
diff changeset
75
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7369
diff changeset
76 public Block getFirstSuccessor() {
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7369
diff changeset
77 return successors.get(0);
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7369
diff changeset
78 }
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7369
diff changeset
79
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
80 public Block getEarliestPostDominated() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
81 Block b = this;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
82 while (true) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
83 Block dom = b.getDominator();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
84 if (dom != null && dom.getPostdominator() == b) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
85 b = dom;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
86 } else {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
87 break;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
88 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
89 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
90 return b;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
91 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
92
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
93 public List<Block> getDominated() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
94 if (dominated == null) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
95 return Collections.emptyList();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
96 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
97 return dominated;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
98 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
99
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
100 public Block getPostdominator() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
101 return postdominator;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
102 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
103
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
104 private class NodeIterator implements Iterator<FixedNode> {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7499
diff changeset
105
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
106 private FixedNode cur;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
107
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
108 public NodeIterator() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
109 cur = getBeginNode();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
110 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
111
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
112 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
113 public boolean hasNext() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
114 return cur != null;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
115 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
116
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
117 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
118 public FixedNode next() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
119 FixedNode result = cur;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
120 if (cur == getEndNode()) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
121 cur = null;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
122 } else {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
123 cur = ((FixedWithNextNode) cur).next();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
124 }
9436
ae815a4c112a Rename BeginNode => AbstractBeginNode and make abstract. Introduce concrete subclass BeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9234
diff changeset
125 assert !(cur instanceof AbstractBeginNode);
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
126 return result;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
127 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
128
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
129 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
130 public void remove() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
131 throw new UnsupportedOperationException();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
132 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
133 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
134
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
135 public Iterable<FixedNode> getNodes() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
136 return new Iterable<FixedNode>() {
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7499
diff changeset
137
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
138 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
139 public Iterator<FixedNode> iterator() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
140 return new NodeIterator();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
141 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
142
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
143 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
144 public String toString() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
145 StringBuilder str = new StringBuilder().append('[');
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
146 for (FixedNode node : this) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
147 str.append(node).append(", ");
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
148 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
149 if (str.length() > 1) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
150 str.setLength(str.length() - 2);
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
151 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
152 return str.append(']').toString();
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
153 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
154 };
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
155 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
156
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
157 @Override
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
158 public String toString() {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
159 return "B" + id;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
160 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
161
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
162 public boolean dominates(Block block) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
163 return block.isDominatedBy(this);
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
164 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
165
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
166 public boolean isDominatedBy(Block block) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
167 if (block == this) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
168 return true;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
169 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
170 if (dominator == null) {
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
171 return false;
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
172 }
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
173 return dominator.isDominatedBy(block);
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
174 }
7497
0f8c6dbf68be Code clean up and documentation for ComputeBlockOrder class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7369
diff changeset
175
6411
c5afcc2ebd3d change of project structure: separate compiler and LIR, put EA into separate project
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
176 }