Mercurial > hg > graal-compiler

annotate graal/GraalCompiler/src/com/sun/c1x/ir/BlockBegin.java @ 2724:e2d20fc3760f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Removed last BlockBegin flag.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Thu, 19 May 2011 16:46:37 +0200
parents 173067211acb
children 819a40e46826
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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) 2009, 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 java.util.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
26
2602
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
27 import com.oracle.graal.graph.*;
2677
0ea5f12e873a use com.oracle.max.asm project for assembler
Christian.Wimmer@Oracle.com
parents: 2674
diff changeset
28 import com.oracle.max.asm.*;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
29 import com.sun.c1x.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
30 import com.sun.c1x.debug.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
31 import com.sun.c1x.lir.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
32 import com.sun.c1x.util.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
33 import com.sun.c1x.value.*;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
34 import com.sun.cri.ci.*;
2565
cc1f1d396288 Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2564
diff changeset
35 import com.sun.cri.ri.*;
2507
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 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
38 * Denotes the beginning of a basic block, and holds information
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
39 * about the basic block, including the successor and
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
40 * predecessor blocks, exception handlers, liveness information, etc.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
41 */
2634
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
42 public final class BlockBegin extends StateSplit {
2602
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
43
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
44 private static final int INPUT_COUNT = 1;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
45 private static final int INPUT_STATE_BEFORE = 0;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
46
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
47 private static final int SUCCESSOR_COUNT = 1;
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
48 private static final int SUCCESSOR_END = 0;
2602
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
49
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
50 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
51 protected int inputCount() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
52 return super.inputCount() + INPUT_COUNT;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
53 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
54
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
55 @Override
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
56 protected int successorCount() {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
57 return super.successorCount() + SUCCESSOR_COUNT;
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
58 }
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
59
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
60 /**
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
61 * The last node in the block (which contains the successors).
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
62 */
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
63 public BlockEnd end() {
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
64 return (BlockEnd) successors().get(super.successorCount() + SUCCESSOR_END);
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
65 }
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
66
2634
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
67 @Override
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
68 public boolean needsStateAfter() {
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
69 return false;
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
70 }
4dd0573f510b FrameState fixes.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2625
diff changeset
71
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
72 public void setEnd(BlockEnd end) {
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
73 assert end != null;
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
74 successors().set(super.successorCount() + SUCCESSOR_END, end);
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
75 }
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
76
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
77 private static final List<BlockBegin> NO_HANDLERS = Collections.emptyList();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
78
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
79 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
80 * A unique id used in tracing.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
81 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
82 public final int blockID;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
83
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
84 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
85 * Denotes the current set of {@link BlockBegin.BlockFlag} settings.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
86 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
87 private int blockFlags;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
88
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
89 private int depthFirstNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
90 private int linearScanNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
91
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
92 // LIR block
2718
c1ce2a53d6c3 Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2716
diff changeset
93 private LIRBlock lirBlock;
c1ce2a53d6c3 Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2716
diff changeset
94
c1ce2a53d6c3 Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2716
diff changeset
95 public void setLIRBlock(LIRBlock block) {
c1ce2a53d6c3 Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2716
diff changeset
96 this.lirBlock = block;
c1ce2a53d6c3 Attempt to remove dependency between backend and BlockBegin.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2716
diff changeset
97 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
98
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
99 /**
2716
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
100 * Index of bytecode that generated this node when appended in a basic block.
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
101 * Negative values indicate special cases.
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
102 */
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
103 private int bci;
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
104
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
105 /**
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
106 * Constructs a new BlockBegin at the specified bytecode index.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
107 * @param bci the bytecode index of the start
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
108 * @param blockID the ID of the block
2602
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
109 * @param graph
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
110 */
2602
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
111 public BlockBegin(int bci, int blockID, Graph graph) {
0c6564c254af new node layout: BlockBegin, BlockEnd
Lukas Stadler <lukas.stadler@jku.at>
parents: 2582
diff changeset
112 super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
113 this.blockID = blockID;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
114 depthFirstNumber = -1;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
115 linearScanNumber = -1;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
116 setBCI(bci);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
117 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
118
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
119 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
120 * Gets the list of predecessors of this block.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
121 * @return the predecessor list
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
122 */
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
123 @SuppressWarnings({ "unchecked", "rawtypes" })
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
124 public List<Instruction> blockPredecessors() {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
125 if (predecessors().size() == 1 && predecessors().get(0) == graph().root()) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
126 return Collections.EMPTY_LIST;
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
127 } else {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
128 return (List) Collections.unmodifiableList(predecessors());
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
129 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
130 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
131
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
132 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
133 * Gets the depth first traversal number of this block.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
134 * @return the depth first number
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
135 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
136 public int depthFirstNumber() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
137 return depthFirstNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
138 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
139
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
140 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
141 * Gets the linear scan number of this block.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
142 * @return the linear scan number
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
143 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
144 public int linearScanNumber() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
145 return linearScanNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
146 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
147
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
148 public void setDepthFirstNumber(int depthFirstNumber) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
149 assert depthFirstNumber >= 0;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
150 this.depthFirstNumber = depthFirstNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
151 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
152
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
153 public void setLinearScanNumber(int linearScanNumber) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
154 this.linearScanNumber = linearScanNumber;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
155 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
156
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
157 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
158 * Iterate over this block, its exception handlers, and its successors, in that order.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
159 * @param closure the closure to apply to each block
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
160 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
161 public void iteratePreOrder(BlockClosure closure) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
162 // XXX: identity hash map might be too slow, consider a boolean array or a mark field
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
163 iterate(new IdentityHashMap<BlockBegin, BlockBegin>(), closure);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
164 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
165
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
166 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
167 * Iterate over all blocks transitively reachable from this block.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
168 * @param closure the closure to apply to each block
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
169 * @param predecessors {@code true} if also to include this blocks predecessors
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
170 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
171 public void iterateAnyOrder(BlockClosure closure, boolean predecessors) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
172 IdentityHashMap<BlockBegin, BlockBegin> mark = new IdentityHashMap<BlockBegin, BlockBegin>();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
173 LinkedList<BlockBegin> queue = new LinkedList<BlockBegin>();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
174 queue.offer(this);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
175 mark.put(this, this);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
176 BlockBegin block;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
177 while ((block = queue.poll()) != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
178 closure.apply(block);
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
179
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
180 Instruction inst = block;
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
181 ArrayList<BlockBegin> excBlocks = new ArrayList<BlockBegin>();
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
182 while (inst != null) {
2715
3ac3dd97d8df Added ExceptionEdgeInstruction interface.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2708
diff changeset
183 if (inst instanceof ExceptionEdgeInstruction) {
3ac3dd97d8df Added ExceptionEdgeInstruction interface.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2708
diff changeset
184 excBlocks.add(((ExceptionEdgeInstruction) inst).exceptionEdge());
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
185 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
186 inst = inst.next();
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
187 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
188 while (excBlocks.remove(null)) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
189 // nothing
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
190 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
191 if (excBlocks.size() > 0) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
192 queueBlocks(queue, excBlocks, mark);
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
193 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
194
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
195 queueBlocks(queue, block.end().blockSuccessors(), mark);
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
196 if (predecessors) {
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
197 queueBlockEnds(queue, block.blockPredecessors(), mark);
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
198 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
199 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
200 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
201
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
202 private void queueBlocks(LinkedList<BlockBegin> queue, List<BlockBegin> list, IdentityHashMap<BlockBegin, BlockBegin> mark) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
203 if (list != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
204 for (BlockBegin b : list) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
205 if (!mark.containsKey(b)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
206 queue.offer(b);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
207 mark.put(b, b);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
208 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
209 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
210 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
211 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
212
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
213 private void queueBlockEnds(LinkedList<BlockBegin> queue, List<Instruction> list, IdentityHashMap<BlockBegin, BlockBegin> mark) {
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
214 if (list != null) {
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
215 for (Instruction end : list) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
216 BlockBegin b = end.block();
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
217 if (!mark.containsKey(b)) {
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
218 queue.offer(b);
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
219 mark.put(b, b);
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
220 }
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
221 }
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
222 }
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
223 }
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
224
2716
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
225 /**
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
226 * Gets the bytecode index of this instruction.
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
227 * @return the bytecode index of this instruction
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
228 */
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
229 public int bci() {
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
230 return bci;
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
231 }
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
232
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
233 /**
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
234 * Sets the bytecode index of this instruction.
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
235 * @param bci the new bytecode index for this instruction
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
236 */
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
237 public void setBCI(int bci) {
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
238 this.bci = bci;
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
239 }
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
240
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
241 private void iterate(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
242 if (!mark.containsKey(this)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
243 mark.put(this, this);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
244 closure.apply(this);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
245 BlockEnd e = end();
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
246
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
247 Instruction inst = this;
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
248 ArrayList<BlockBegin> excBlocks = new ArrayList<BlockBegin>();
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
249 while (inst != null) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
250 if (inst instanceof Invoke) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
251 excBlocks.add(((Invoke) inst).exceptionEdge());
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
252 } else if (inst instanceof Throw) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
253 excBlocks.add(((Throw) inst).exceptionEdge());
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
254 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
255 inst = inst.next();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
256 }
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
257 while (excBlocks.remove(null)) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
258 // nothing
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
259 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
260 if (excBlocks.size() > 0) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
261 iterateReverse(mark, closure, excBlocks);
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
262 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
263
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
264 assert e != null : "block must have block end";
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2565
diff changeset
265 iterateReverse(mark, closure, e.blockSuccessors());
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
266 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
267 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
268
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
269 private void iterateReverse(IdentityHashMap<BlockBegin, BlockBegin> mark, BlockClosure closure, List<BlockBegin> list) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
270 for (int i = list.size() - 1; i >= 0; i--) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
271 list.get(i).iterate(mark, closure);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
272 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
273 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
274
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
275 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
276 public void accept(ValueVisitor v) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
277 v.visitBlockBegin(this);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
278 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
279
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
280 public void mergeOrClone(FrameStateAccess newState, RiMethod method) {
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
281 FrameState existingState = stateBefore();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
282
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
283 if (existingState == null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
284 // copy state because it is modified
2636
8c02ca1e9eb1 Fixed bci for stateBefore in BlockBegin
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2634
diff changeset
285 FrameState duplicate = newState.duplicate(bci());
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
286
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
287 if (C1XOptions.UseStackMapTableLiveness && method != null) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
288 // if a liveness map is available, use it to invalidate dead locals
2565
cc1f1d396288 Remove inlining (3rd part)
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2564
diff changeset
289 CiBitMap[] livenessMap = method.livenessMap();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
290 if (livenessMap != null && bci() >= 0) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
291 assert bci() < livenessMap.length;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
292 CiBitMap liveness = livenessMap[bci()];
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
293 if (liveness != null) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
294 invalidateDeadLocals(duplicate, liveness);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
295 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
296 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
297 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
298
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
299 // if the block is a loop header, insert all necessary phis
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
300 if (isParserLoopHeader()) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
301 insertLoopPhis(duplicate);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
302 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
303
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
304 setStateBefore(duplicate);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
305 } else {
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2565
diff changeset
306 if (!C1XOptions.AssumeVerifiedBytecode && !existingState.isCompatibleWith(newState)) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
307 // stacks or locks do not match--bytecodes would not verify
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
308 throw new CiBailout("stack or locks do not match");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
309 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
310
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
311 assert existingState.localsSize() == newState.localsSize();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
312 assert existingState.stackSize() == newState.stackSize();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
313
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
314 existingState.merge(this, newState);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
315 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
316 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
317
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
318 private void invalidateDeadLocals(FrameState newState, CiBitMap liveness) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
319 int max = newState.localsSize();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
320 assert max <= liveness.size();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
321 for (int i = 0; i < max; i++) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
322 Value x = newState.localAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
323 if (x != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
324 if (!liveness.get(i)) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
325 // invalidate the local if it is not live
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
326 newState.invalidateLocal(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
327 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
328 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
329 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
330 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
331
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
332 private void insertLoopPhis(FrameState newState) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
333 int stackSize = newState.stackSize();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
334 for (int i = 0; i < stackSize; i++) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
335 // always insert phis for the stack
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
336 newState.setupPhiForStack(this, i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
337 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
338 int localsSize = newState.localsSize();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
339 for (int i = 0; i < localsSize; i++) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
340 Value x = newState.localAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
341 if (x != null) {
2616
3558ca7088c0 FrameState and Graphviz changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2611
diff changeset
342 newState.setupPhiForLocal(this, i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
343 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
344 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
345 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
346
2724
e2d20fc3760f Removed last BlockBegin flag.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2723
diff changeset
347 boolean parserLoopHeader;
e2d20fc3760f Removed last BlockBegin flag.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2723
diff changeset
348
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
349 public boolean isParserLoopHeader() {
2724
e2d20fc3760f Removed last BlockBegin flag.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2723
diff changeset
350 return parserLoopHeader;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
351 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
352
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
353 public void setParserLoopHeader(boolean value) {
2724
e2d20fc3760f Removed last BlockBegin flag.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2723
diff changeset
354 parserLoopHeader = value;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
355 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
356
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
357 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
358 public String toString() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
359 StringBuilder builder = new StringBuilder();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
360 builder.append("block #");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
361 builder.append(blockID);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
362 builder.append(",");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
363 builder.append(depthFirstNumber);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
364 builder.append(" [");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
365
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
366 builder.append("]");
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
367 if (end() != null) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
368 builder.append(" -> ");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
369 boolean hasSucc = false;
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
370 for (BlockBegin s : end().blockSuccessors()) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
371 if (hasSucc) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
372 builder.append(", ");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
373 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
374 builder.append("#");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
375 builder.append(s.blockID);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
376 hasSucc = true;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
377 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
378 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
379 return builder.toString();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
380 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
381
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
382 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
383 * Get the number of successors.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
384 * @return the number of successors
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
385 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
386 public int numberOfSux() {
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
387 return end().blockSuccessorCount();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
388 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
389
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
390 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
391 * Get the successor at a certain position.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
392 * @param i the position
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
393 * @return the successor
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
394 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
395 public BlockBegin suxAt(int i) {
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
396 return end().blockSuccessor(i);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
397 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
398
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
399 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
400 * Get the number of predecessors.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
401 * @return the number of predecessors
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
402 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
403 public int numberOfPreds() {
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
404 // ignore the graph root
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
405 if (predecessors().size() == 1 && predecessors().get(0) == graph().root()) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
406 return 0;
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
407 } else {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
408 return predecessors().size();
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
409 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
410 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
411
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
412 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
413 * @return the label associated with the block, used by the LIR
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
414 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
415 public Label label() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
416 return lirBlock().label;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
417 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
418
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
419 public LIRList lir() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
420 return lirBlock().lir();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
421 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
422
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
423 public LIRBlock lirBlock() {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
424 return lirBlock;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
425 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
426
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
427 public Instruction predAt(int j) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
428 return (Instruction) predecessors().get(j);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
429 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
430
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
431
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
432 public boolean isPredecessor(Instruction block) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
433 return predecessors().contains(block);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
434 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
435
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
436 public void printWithoutPhis(LogStream out) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
437 // print block id
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
438 BlockEnd end = end();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
439 out.print("B").print(blockID).print(" ");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
440
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
441 // print flags
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
442 StringBuilder sb = new StringBuilder(8);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
443 if (isParserLoopHeader()) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
444 sb.append("LH");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
445 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
446 if (sb.length() != 0) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
447 out.print('(').print(sb.toString()).print(')');
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
448 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
449
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
450 // print block bci range
2716
c1a9bf38da28 Removed bci from the Instruction class.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2715
diff changeset
451 out.print('[').print(-1).print(", ").print(-1).print(']');
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
452
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
453 // print block successors
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2565
diff changeset
454 if (end != null && end.blockSuccessors().size() > 0) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
455 out.print(" .");
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2565
diff changeset
456 for (BlockBegin successor : end.blockSuccessors()) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
457 out.print(" B").print(successor.blockID);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
458 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
459 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
460
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
461 // print predecessors
2581
4a36a0bd6d18 added GraalGraph to classpath, Node as superclass of Value
Lukas Stadler <lukas.stadler@jku.at>
parents: 2565
diff changeset
462 if (!blockPredecessors().isEmpty()) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
463 out.print(" pred:");
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
464 for (Instruction pred : blockPredecessors()) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
465 out.print(" B").print(pred.block().blockID);
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
466 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
467 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
468 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
469
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
470 @Override
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
471 public void print(LogStream out) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
472
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
473 printWithoutPhis(out);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
474
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
475 // print phi functions
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
476 boolean hasPhisInLocals = false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
477 boolean hasPhisOnStack = false;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
478
2621
dd115f80acf8 changed stateAfter FrameState to successor (instead of input), checkstyle fixes, added fixed root node to graph
Lukas Stadler <lukas.stadler@jku.at>
parents: 2616
diff changeset
479 if (end() != null && end().stateAfter() != null) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
480 FrameState state = stateBefore();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
481
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
482 int i = 0;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
483 while (!hasPhisOnStack && i < state.stackSize()) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
484 Value value = state.stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
485 hasPhisOnStack = isPhiAtBlock(value);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
486 if (value != null && !value.isIllegal()) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
487 i += value.kind.sizeInSlots();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
488 } else {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
489 i++;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
490 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
491 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
492
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
493 for (i = 0; !hasPhisInLocals && i < state.localsSize();) {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
494 Value value = state.localAt(i);
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
495 hasPhisInLocals = isPhiAtBlock(value);
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
496 // also ignore illegal HiWords
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
497 if (value != null && !value.isIllegal()) {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
498 i += value.kind.sizeInSlots();
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
499 } else {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
500 i++;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
501 }
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
502 }
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
503 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
504
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
505 // print values in locals
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
506 if (hasPhisInLocals) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
507 out.println();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
508 out.println("Locals:");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
509
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
510 FrameState state = stateBefore();
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
511 int i = 0;
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
512 while (i < state.localsSize()) {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
513 Value value = state.localAt(i);
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
514 if (value != null) {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
515 out.println(stateString(i, value));
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
516 // also ignore illegal HiWords
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
517 i += value.isIllegal() ? 1 : value.kind.sizeInSlots();
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
518 } else {
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
519 i++;
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
520 }
2564
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
521 }
274360f98f97 Remove inlining (2nd part) removed IRScope
Gilles Duboscq <gilles.duboscq@oracle.com>
parents: 2516
diff changeset
522 out.println();
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
523 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
524
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
525 // print values on stack
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
526 if (hasPhisOnStack) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
527 out.println();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
528 out.println("Stack:");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
529 int i = 0;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
530 while (i < stateBefore().stackSize()) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
531 Value value = stateBefore().stackAt(i);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
532 if (value != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
533 out.println(stateString(i, value));
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
534 i += value.kind.sizeInSlots();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
535 } else {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
536 i++;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
537 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
538 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
539 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
540
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
541 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
542
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
543
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
544
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
545 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
546 * Determines if a given instruction is a phi whose {@linkplain Phi#block() join block} is a given block.
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
547 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
548 * @param value the instruction to test
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
549 * @param block the block that may be the join block of {@code value} if {@code value} is a phi
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
550 * @return {@code true} if {@code value} is a phi and its join block is {@code block}
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
551 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
552 private boolean isPhiAtBlock(Value value) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
553 return value instanceof Phi && ((Phi) value).block() == this;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
554 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
555
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
556
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
557 /**
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
558 * Formats a given instruction as a value in a {@linkplain FrameState frame state}. If the instruction is a phi defined at a given
2582
768d77a1c7af new node layout: Instruction
Lukas Stadler <lukas.stadler@jku.at>
parents: 2581
diff changeset
559 * block, its {@linkplain Phi#phiInputCount() inputs} are appended to the returned string.
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
560 *
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
561 * @param index the index of the value in the frame state
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
562 * @param value the frame state value
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
563 * @param block if {@code value} is a phi, then its inputs are formatted if {@code block} is its
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
564 * {@linkplain Phi#block() join point}
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
565 * @return the instruction representation as a string
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
566 */
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
567 public String stateString(int index, Value value) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
568 StringBuilder sb = new StringBuilder(30);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
569 sb.append(String.format("%2d %s", index, Util.valueString(value)));
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
570 if (value instanceof Phi) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
571 Phi phi = (Phi) value;
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
572 // print phi operands
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
573 if (phi.block() == this) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
574 sb.append(" [");
2582
768d77a1c7af new node layout: Instruction
Lukas Stadler <lukas.stadler@jku.at>
parents: 2581
diff changeset
575 for (int j = 0; j < phi.phiInputCount(); j++) {
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
576 sb.append(' ');
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
577 Value operand = phi.inputAt(j);
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
578 if (operand != null) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
579 sb.append(Util.valueString(operand));
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
580 } else {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
581 sb.append("NULL");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
582 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
583 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
584 sb.append("] ");
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
585 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
586 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
587 if (value != null && value.hasSubst()) {
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
588 sb.append("alias ").append(Util.valueString(value.subst()));
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
589 }
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
590 return sb.toString();
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
591 }
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
592
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
593 @Override
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
594 public String shortName() {
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
595 return "BlockBegin #" + blockID;
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
596 }
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
597
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
598 /**
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
599 * Iterates over all successors of this block: successors of the end node and exception handler.
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
600 */
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
601 public void allSuccessorsDo(boolean backwards, BlockClosure closure) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
602 if (backwards) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
603 for (int i = numberOfSux() - 1; i >= 0; i--) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
604 closure.apply(suxAt(i));
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
605 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
606 } else {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
607 for (int i = 0; i < numberOfSux(); i++) {
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
608 closure.apply(suxAt(i));
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
609 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
610 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
611 for (Instruction x = next(); x != null; x = x.next()) {
2715
3ac3dd97d8df Added ExceptionEdgeInstruction interface.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2708
diff changeset
612 if (x instanceof ExceptionEdgeInstruction && ((ExceptionEdgeInstruction) x).exceptionEdge() != null) {
3ac3dd97d8df Added ExceptionEdgeInstruction interface.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents: 2708
diff changeset
613 closure.apply(((ExceptionEdgeInstruction) x).exceptionEdge());
2707
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
614 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
615 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
616 }
7ed72769d51a exception handling related changes:
Lukas Stadler <lukas.stadler@jku.at>
parents: 2677
diff changeset
617
2674
6ab73784566a * BlockBegin.predecessors changed to List<BlockEnd>
Lukas Stadler <lukas.stadler@jku.at>
parents: 2645
diff changeset
618
2507
9ec15d6914ca Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff changeset
619 }