Mercurial > hg > truffle
annotate graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/TailDuplicationPhase.java @ 15193:96bb07a5d667
Spit up and move GraalInternalError.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Thu, 17 Apr 2014 15:18:41 +0200 |
parents | df2ef5204f2b |
children | 2c0cfbf454b5 |
rev | line source |
---|---|
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
1 /* |
8988
02f57662b6c4
remove monitor limitation form TailDuplicationPhase
Lukas Stadler <lukas.stadler@jku.at>
parents:
8558
diff
changeset
|
2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
4 * |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
8 * |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
13 * accompanied this code). |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
14 * |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
18 * |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
21 * questions. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
22 */ |
6526
ee651c726397
split phases out of graal.phases project into graal.phases.common project
Doug Simon <doug.simon@oracle.com>
parents:
6525
diff
changeset
|
23 package com.oracle.graal.phases.common; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
24 |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9643
diff
changeset
|
25 import static com.oracle.graal.phases.GraalOptions.*; |
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9643
diff
changeset
|
26 |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
27 import java.util.*; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
28 |
15193
96bb07a5d667
Spit up and move GraalInternalError.
Josef Eisl <josef.eisl@jku.at>
parents:
15145
diff
changeset
|
29 import com.oracle.graal.compiler.common.*; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
30 import com.oracle.graal.debug.*; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
31 import com.oracle.graal.graph.Graph.DuplicationReplacement; |
14991
64dcb92ee75a
Truffle: Change signature for Truffle calls from (PackedFrame, Arguments) to (Object[]).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
14978
diff
changeset
|
32 import com.oracle.graal.graph.Graph.Mark; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
33 import com.oracle.graal.graph.*; |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
34 import com.oracle.graal.graph.NodeClass.NodeClassIterator; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
35 import com.oracle.graal.graph.NodeClass.Position; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
36 import com.oracle.graal.nodes.*; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
37 import com.oracle.graal.nodes.VirtualState.NodeClosure; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
38 import com.oracle.graal.nodes.extended.*; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
39 import com.oracle.graal.nodes.java.*; |
7536
1563a48b798d
don't tail duplicate allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
7255
diff
changeset
|
40 import com.oracle.graal.nodes.spi.*; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
41 import com.oracle.graal.nodes.type.*; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
42 import com.oracle.graal.nodes.util.*; |
11875
35bdfb9ac12f
don't tail duplicate object allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
11711
diff
changeset
|
43 import com.oracle.graal.nodes.virtual.*; |
6525
2c913b643422
rename packages in graal.phases to match project name
Doug Simon <doug.simon@oracle.com>
parents:
6522
diff
changeset
|
44 import com.oracle.graal.phases.*; |
9238
8f01fe16e473
refactorings and cleanups for the removal of FixedNode.probability
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9234
diff
changeset
|
45 import com.oracle.graal.phases.graph.*; |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
46 import com.oracle.graal.phases.tiers.*; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
47 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
48 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
49 * This class is a phase that looks for opportunities for tail duplication. The static method |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
50 * {@link #tailDuplicate(MergeNode, TailDuplicationDecision, List, PhaseContext, CanonicalizerPhase)} |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
51 * can also be used to drive tail duplication from other places, e.g., inlining. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
52 */ |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
53 public class TailDuplicationPhase extends BasePhase<PhaseContext> { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
54 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
55 /* |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
56 * Various metrics on the circumstances in which tail duplication was/wasn't performed. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
57 */ |
10533
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
58 private static final DebugMetric metricDuplicationConsidered = Debug.metric("DuplicationConsidered"); |
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
59 private static final DebugMetric metricDuplicationPerformed = Debug.metric("DuplicationPerformed"); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
60 |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
61 private final CanonicalizerPhase canonicalizer; |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
62 |
15001 | 63 private static final class DummyAnchorNode extends FixedWithNextNode implements GuardingNode { |
64 public DummyAnchorNode() { | |
65 super(StampFactory.forVoid()); | |
66 } | |
67 } | |
68 | |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
69 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
70 * This interface is used by tail duplication to let clients decide if tail duplication should |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
71 * be performed. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
72 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
73 public interface TailDuplicationDecision { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
74 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
75 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
76 * Queries if tail duplication should be performed at the given merge. If this method |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
77 * returns true then the tail duplication will be performed, because all other checks have |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
78 * happened before. |
15001 | 79 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
80 * @param merge The merge at which tail duplication can be performed. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
81 * @param fixedNodeCount The size of the set of fixed nodes that forms the base for the |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
82 * duplicated set of nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
83 * @return true if the tail duplication should be performed, false otherwise. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
84 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
85 boolean doTransform(MergeNode merge, int fixedNodeCount); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
86 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
87 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
88 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
89 * A tail duplication decision closure that employs the default algorithm: Check if there are |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
90 * any phis on the merge whose stamps improve and that have usages within the duplicated set of |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
91 * fixed nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
92 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
93 public static final TailDuplicationDecision DEFAULT_DECISION = new TailDuplicationDecision() { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
94 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
95 public boolean doTransform(MergeNode merge, int fixedNodeCount) { |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9643
diff
changeset
|
96 if (fixedNodeCount < TailDuplicationTrivialSize.getValue()) { |
5792
fa6ed51ac198
more aggressive tail duplication
Lukas Stadler <lukas.stadler@jku.at>
parents:
5786
diff
changeset
|
97 return true; |
fa6ed51ac198
more aggressive tail duplication
Lukas Stadler <lukas.stadler@jku.at>
parents:
5786
diff
changeset
|
98 } |
13367
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
99 ArrayList<PhiNode> improvements = null; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
100 for (PhiNode phi : merge.phis()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
101 Stamp phiStamp = phi.stamp(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
102 for (ValueNode input : phi.values()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
103 if (!input.stamp().equals(phiStamp)) { |
13367
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
104 if (improvements == null) { |
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
105 improvements = new ArrayList<>(); |
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
106 } |
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
107 if (!improvements.contains(phi)) { |
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
108 improvements.add(phi); |
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
109 } |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
110 break; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
111 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
112 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
113 } |
13367
413040ab993e
remove some usages of HashSet
Bernhard Urban <bernhard.urban@jku.at>
parents:
13327
diff
changeset
|
114 if (improvements == null) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
115 return false; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
116 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
117 FixedNode current = merge; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
118 int opportunities = 0; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
119 while (current instanceof FixedWithNextNode) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
120 current = ((FixedWithNextNode) current).next(); |
7536
1563a48b798d
don't tail duplicate allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
7255
diff
changeset
|
121 if (current instanceof VirtualizableAllocation) { |
1563a48b798d
don't tail duplicate allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
7255
diff
changeset
|
122 return false; |
1563a48b798d
don't tail duplicate allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
7255
diff
changeset
|
123 } |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
124 for (PhiNode phi : improvements) { |
6433
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
125 for (Node input : current.inputs()) { |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
126 if (input == phi) { |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
127 opportunities++; |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
128 } |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
129 if (input.inputs().contains(phi)) { |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
130 opportunities++; |
4bd8711d824a
small fix to tail duplication heuristics
Lukas Stadler <lukas.stadler@jku.at>
parents:
6411
diff
changeset
|
131 } |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
132 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
133 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
134 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
135 return opportunities > 0; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
136 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
137 }; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
138 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
139 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
140 * A tail duplication decision closure that always returns true. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
141 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
142 public static final TailDuplicationDecision TRUE_DECISION = new TailDuplicationDecision() { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
143 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
144 @Override |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
145 public boolean doTransform(MergeNode merge, int fixedNodeCount) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
146 return true; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
147 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
148 }; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
149 |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
150 public TailDuplicationPhase(CanonicalizerPhase canonicalizer) { |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
151 this.canonicalizer = canonicalizer; |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
152 } |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
153 |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
154 @Override |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
155 protected void run(StructuredGraph graph, PhaseContext phaseContext) { |
9238
8f01fe16e473
refactorings and cleanups for the removal of FixedNode.probability
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9234
diff
changeset
|
156 NodesToDoubles nodeProbabilities = new ComputeProbabilityClosure(graph).apply(); |
9234
b9cf7d0b598e
removal of FixedNode.probability (draft)
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9051
diff
changeset
|
157 |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
158 // A snapshot is taken here, so that new MergeNode instances aren't considered for tail |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
159 // duplication. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
160 for (MergeNode merge : graph.getNodes(MergeNode.class).snapshot()) { |
9864
063a712fe8d8
converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
9643
diff
changeset
|
161 if (!(merge instanceof LoopBeginNode) && nodeProbabilities.get(merge) >= TailDuplicationProbability.getValue()) { |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
162 tailDuplicate(merge, DEFAULT_DECISION, null, phaseContext, canonicalizer); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
163 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
164 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
165 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
166 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
167 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
168 * This method attempts to duplicate the tail of the given merge. The merge must not be a |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
169 * {@link LoopBeginNode}. If the merge is eligible for duplication (at least one fixed node in |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
170 * its tail, no {@link MonitorEnterNode}/ {@link MonitorExitNode}, non-null |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
171 * {@link MergeNode#stateAfter()}) then the decision callback is used to determine whether the |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
172 * tail duplication should actually be performed. If replacements is non-null, then this list of |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
173 * {@link PiNode}s is used to replace one value per merge end. |
15001 | 174 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
175 * @param merge The merge whose tail should be duplicated. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
176 * @param decision A callback that can make the final decision if tail duplication should occur |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
177 * or not. |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
178 * @param replacements A list of {@link PiNode}s, or null. If this list is non-null then its |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
179 * size needs to match the merge's end count. Each entry can either be null or a |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
180 * {@link PiNode}, and is used to replace {@link PiNode#object()} with the |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
181 * {@link PiNode} in the duplicated branch that corresponds to the entry. |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
182 * @param phaseContext |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
183 */ |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
184 public static boolean tailDuplicate(MergeNode merge, TailDuplicationDecision decision, List<GuardedValueNode> replacements, PhaseContext phaseContext, CanonicalizerPhase canonicalizer) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
185 assert !(merge instanceof LoopBeginNode); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
186 assert replacements == null || replacements.size() == merge.forwardEndCount(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
187 FixedNode fixed = merge; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
188 int fixedCount = 0; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
189 while (fixed instanceof FixedWithNextNode) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
190 fixed = ((FixedWithNextNode) fixed).next(); |
11875
35bdfb9ac12f
don't tail duplicate object allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
11711
diff
changeset
|
191 if (fixed instanceof CommitAllocationNode) { |
35bdfb9ac12f
don't tail duplicate object allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
11711
diff
changeset
|
192 return false; |
35bdfb9ac12f
don't tail duplicate object allocations
Lukas Stadler <lukas.stadler@jku.at>
parents:
11711
diff
changeset
|
193 } |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
194 fixedCount++; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
195 } |
8988
02f57662b6c4
remove monitor limitation form TailDuplicationPhase
Lukas Stadler <lukas.stadler@jku.at>
parents:
8558
diff
changeset
|
196 if (fixedCount > 1) { |
10533
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
197 metricDuplicationConsidered.increment(); |
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
198 if (decision.doTransform(merge, fixedCount)) { |
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
199 metricDuplicationPerformed.increment(); |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
200 new DuplicationOperation(merge, replacements, canonicalizer).duplicate(phaseContext); |
10533
2faa1e7ef4f3
enable TailDuplication for MergeNodes without stateAfter
Lukas Stadler <lukas.stadler@jku.at>
parents:
10009
diff
changeset
|
201 return true; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
202 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
203 } |
8558
43ab11ee5524
counters for LoopFullUnrollPhase and TailDuplicationPhase
Lukas Stadler <lukas.stadler@jku.at>
parents:
7539
diff
changeset
|
204 return false; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
205 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
206 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
207 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
208 * This class encapsulates one tail duplication operation on a specific {@link MergeNode}. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
209 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
210 private static class DuplicationOperation { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
211 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
212 private final MergeNode merge; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
213 private final StructuredGraph graph; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
214 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
215 private final HashMap<ValueNode, PhiNode> bottomPhis = new HashMap<>(); |
10706
8d961f93725c
Use GuardedValueNode in the inlining
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
10533
diff
changeset
|
216 private final List<GuardedValueNode> replacements; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
217 |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
218 private final CanonicalizerPhase canonicalizer; |
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
219 |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
220 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
221 * Initializes the tail duplication operation without actually performing any work. |
15001 | 222 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
223 * @param merge The merge whose tail should be duplicated. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
224 * @param replacements A list of replacement {@link PiNode}s, or null. If this is non-null, |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
225 * then the size of the list needs to match the number of end nodes at the merge. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
226 */ |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
227 public DuplicationOperation(MergeNode merge, List<GuardedValueNode> replacements, CanonicalizerPhase canonicalizer) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
228 this.merge = merge; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
229 this.replacements = replacements; |
9602
19c5a07c7843
Introduce a graph() method that returns a StructuredGraph, to make many explicit casts unnecessary
Christian Wimmer <christian.wimmer@oracle.com>
parents:
9436
diff
changeset
|
230 this.graph = merge.graph(); |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
231 this.canonicalizer = canonicalizer; |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
232 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
233 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
234 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
235 * Performs the actual tail duplication: |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
236 * <ul> |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
237 * <li>Creates a new {@link ValueAnchorNode} at the beginning of the duplicated area, an |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
238 * transfers all dependencies from the merge to this anchor.</li> |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
239 * <li>Determines the set of fixed nodes to be duplicated.</li> |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
240 * <li>Creates the new merge at the bottom of the duplicated area.</li> |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
241 * <li>Determines the complete set of duplicated nodes.</li> |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
242 * <li>Performs the actual duplication.</li> |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
243 * </ul> |
15001 | 244 * |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
245 * @param phaseContext |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
246 */ |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
247 private void duplicate(PhaseContext phaseContext) { |
9234
b9cf7d0b598e
removal of FixedNode.probability (draft)
Christian Haeubl <haeubl@ssw.jku.at>
parents:
9051
diff
changeset
|
248 Debug.log("tail duplication at merge %s in %s", merge, graph.method()); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
249 |
12686
ca8ab182026f
abstracted a graph mark as a Mark object (hiding the node index)
Doug Simon <doug.simon@oracle.com>
parents:
12655
diff
changeset
|
250 Mark startMark = graph.getMark(); |
9329
fa188fbfe3fe
Perform only targeted canonicalization after tail duplication.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9238
diff
changeset
|
251 |
15001 | 252 DummyAnchorNode anchor = addValueAnchor(); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
253 |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
254 // determine the fixed nodes that should be duplicated (currently: all nodes up until |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
255 // the first control |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
256 // split, end node, deopt or return. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
257 ArrayList<FixedNode> fixedNodes = new ArrayList<>(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
258 FixedNode fixed = merge.next(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
259 FrameState stateAfter = merge.stateAfter(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
260 while (fixed instanceof FixedWithNextNode) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
261 fixedNodes.add(fixed); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
262 if (fixed instanceof StateSplit && ((StateSplit) fixed).stateAfter() != null) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
263 stateAfter = ((StateSplit) fixed).stateAfter(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
264 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
265 fixed = ((FixedWithNextNode) fixed).next(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
266 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
267 |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
268 AbstractEndNode endAfter = createNewMerge(fixed, stateAfter); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
269 MergeNode mergeAfter = endAfter.merge(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
270 fixedNodes.add(endAfter); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
271 final HashSet<Node> duplicatedNodes = buildDuplicatedNodeSet(fixedNodes, stateAfter); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
272 mergeAfter.clearEnds(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
273 expandDuplicated(duplicatedNodes, mergeAfter); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
274 |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
275 List<AbstractEndNode> endSnapshot = merge.forwardEnds().snapshot(); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
276 List<PhiNode> phiSnapshot = merge.phis().snapshot(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
277 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
278 int endIndex = 0; |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
279 for (final AbstractEndNode forwardEnd : merge.forwardEnds()) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
280 Map<Node, Node> duplicates; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
281 if (replacements == null || replacements.get(endIndex) == null) { |
11675
77d9f12797c5
Use NodeMap in inlining utility when number of nodes is high.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
11652
diff
changeset
|
282 duplicates = graph.addDuplicates(duplicatedNodes, graph, duplicatedNodes.size(), (DuplicationReplacement) null); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
283 } else { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
284 HashMap<Node, Node> replace = new HashMap<>(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
285 replace.put(replacements.get(endIndex).object(), replacements.get(endIndex)); |
11675
77d9f12797c5
Use NodeMap in inlining utility when number of nodes is high.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
11652
diff
changeset
|
286 duplicates = graph.addDuplicates(duplicatedNodes, graph, duplicatedNodes.size(), replace); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
287 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
288 for (Map.Entry<ValueNode, PhiNode> phi : bottomPhis.entrySet()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
289 phi.getValue().initializeValueAt(merge.forwardEndIndex(forwardEnd), (ValueNode) duplicates.get(phi.getKey())); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
290 } |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
291 mergeAfter.addForwardEnd((AbstractEndNode) duplicates.get(endAfter)); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
292 |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
293 // re-wire the duplicated ValueAnchorNode to the predecessor of the corresponding |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
294 // EndNode |
15001 | 295 FixedWithNextNode anchorDuplicate = (FixedWithNextNode) duplicates.get(anchor); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
296 // move dependencies on the ValueAnchorNode to the previous BeginNode |
15145
df2ef5204f2b
Remove AbstractBeginNode, move the framestate from AbstractBeginNode to BeginStateSplitNode.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15019
diff
changeset
|
297 BeginNode prevBegin = BeginNode.prevBegin(forwardEnd); |
15001 | 298 anchorDuplicate.replaceAtUsages(InputType.Guard, prevBegin); |
299 anchorDuplicate.replaceAtUsages(InputType.Anchor, prevBegin); | |
300 assert anchorDuplicate.usages().isEmpty(); | |
301 | |
302 FixedNode next = anchorDuplicate.next(); | |
303 anchorDuplicate.setNext(null); | |
304 ((FixedWithNextNode) forwardEnd.predecessor()).setNext(next); | |
305 anchorDuplicate.safeDelete(); | |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
306 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
307 // re-wire the phi duplicates to the correct input |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
308 for (PhiNode phi : phiSnapshot) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
309 PhiNode phiDuplicate = (PhiNode) duplicates.get(phi); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
310 phiDuplicate.replaceAtUsages(phi.valueAt(forwardEnd)); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
311 phiDuplicate.safeDelete(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
312 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
313 endIndex++; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
314 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
315 GraphUtil.killCFG(merge); |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
316 for (AbstractEndNode forwardEnd : endSnapshot) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
317 forwardEnd.safeDelete(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
318 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
319 for (PhiNode phi : phiSnapshot) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
320 // these phis should go away, but they still need to be anchored to a merge to be |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
321 // valid... |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
322 if (phi.isAlive()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
323 phi.setMerge(mergeAfter); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
324 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
325 } |
11573
8a3d99fc36cf
Pass canonicalizer into tail duplication.
Roland Schatz <roland.schatz@oracle.com>
parents:
10706
diff
changeset
|
326 canonicalizer.applyIncremental(graph, phaseContext, startMark); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
327 Debug.dump(graph, "After tail duplication at %s", merge); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
328 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
329 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
330 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
331 * Inserts a new ValueAnchorNode after the merge and transfers all dependency-usages (not |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
332 * phis) to this ValueAnchorNode. |
15001 | 333 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
334 * @return The new {@link ValueAnchorNode} that was created. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
335 */ |
15001 | 336 private DummyAnchorNode addValueAnchor() { |
337 DummyAnchorNode anchor = graph.add(new DummyAnchorNode()); | |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
338 graph.addAfterFixed(merge, anchor); |
15001 | 339 merge.replaceAtUsages(InputType.Guard, anchor); |
340 merge.replaceAtUsages(InputType.Anchor, anchor); | |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
341 return anchor; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
342 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
343 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
344 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
345 * Given a set of fixed nodes, this method determines the set of fixed and floating nodes |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
346 * that needs to be duplicated, i.e., all nodes that due to data flow and other dependencies |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
347 * needs to be duplicated. |
15001 | 348 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
349 * @param fixedNodes The set of fixed nodes that should be duplicated. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
350 * @param stateAfter The frame state of the merge that follows the set of fixed nodes. All |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
351 * {@link ValueNode}s reachable from this state are considered to be reachable |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
352 * from within the duplicated set of nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
353 * @return The set of nodes that need to be duplicated. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
354 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
355 private HashSet<Node> buildDuplicatedNodeSet(final ArrayList<FixedNode> fixedNodes, FrameState stateAfter) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
356 final NodeBitMap aboveBound = graph.createNodeBitMap(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
357 final NodeBitMap belowBound = graph.createNodeBitMap(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
358 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
359 final Deque<Node> worklist = new ArrayDeque<>(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
360 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
361 // Build the set of nodes that have (transitive) usages within the duplicatedNodes. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
362 // This is achieved by iterating all nodes that are reachable via inputs from the the |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
363 // fixed nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
364 aboveBound.markAll(fixedNodes); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
365 worklist.addAll(fixedNodes); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
366 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
367 // the phis at the original merge should always be duplicated |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
368 for (PhiNode phi : merge.phis()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
369 aboveBound.mark(phi); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
370 worklist.add(phi); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
371 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
372 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
373 NodeClosure<Node> aboveClosure = new NodeClosure<Node>() { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
374 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
375 @Override |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
376 public void apply(Node usage, Node node) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
377 if (node instanceof PhiNode && !fixedNodes.contains(((PhiNode) node).merge())) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
378 // stop iterating: phis belonging to outside merges are known to be outside. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
379 } else if (node instanceof FixedNode) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
380 // stop iterating: fixed nodes within the given set are traversal roots |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
381 // anyway, and all other |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
382 // fixed nodes are known to be outside. |
13327
c258331fdde6
removed support for external nodes (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
12686
diff
changeset
|
383 } else if (!aboveBound.isMarked(node)) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
384 worklist.add(node); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
385 aboveBound.mark(node); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
386 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
387 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
388 }; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
389 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
390 if (stateAfter != null) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
391 stateAfter.applyToNonVirtual(aboveClosure); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
392 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
393 while (!worklist.isEmpty()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
394 Node current = worklist.remove(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
395 for (Node input : current.inputs()) { |
13327
c258331fdde6
removed support for external nodes (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
12686
diff
changeset
|
396 aboveClosure.apply(current, input); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
397 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
398 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
399 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
400 // Build the set of nodes that have (transitive) inputs within the duplicatedNodes. |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
401 // This is achieved by iterating all nodes that are reachable via usages from the fixed |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
402 // nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
403 belowBound.markAll(fixedNodes); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
404 worklist.addAll(fixedNodes); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
405 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
406 // the phis at the original merge should always be duplicated |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
407 for (PhiNode phi : merge.phis()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
408 belowBound.mark(phi); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
409 worklist.add(phi); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
410 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
411 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
412 while (!worklist.isEmpty()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
413 Node current = worklist.remove(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
414 for (Node usage : current.usages()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
415 if (usage instanceof PhiNode && !fixedNodes.contains(((PhiNode) usage).merge())) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
416 // stop iterating: phis belonging to outside merges are known to be outside. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
417 } else if (usage instanceof FixedNode) { |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
418 // stop iterating: fixed nodes within the given set are traversal roots |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
419 // anyway, and all other |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
420 // fixed nodes are known to be outside. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
421 } else if (!belowBound.isMarked(usage)) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
422 worklist.add(usage); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
423 belowBound.mark(usage); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
424 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
425 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
426 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
427 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
428 // build the intersection |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
429 belowBound.intersect(aboveBound); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
430 HashSet<Node> result = new HashSet<>(); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
431 for (Node node : belowBound) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
432 result.add(node); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
433 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
434 return result; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
435 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
436 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
437 /** |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
438 * Creates a new merge and end node construct at the end of the duplicated area. While it is |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
439 * useless in itself (merge with only one end) it simplifies the later duplication step. |
15001 | 440 * |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
441 * @param successor The successor of the duplicated set of nodes, i.e., the first node that |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
442 * should not be duplicated. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
443 * @param stateAfterMerge The frame state that should be used for the merge. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
444 * @return The newly created end node. |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
445 */ |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
446 private AbstractEndNode createNewMerge(FixedNode successor, FrameState stateAfterMerge) { |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
447 MergeNode newBottomMerge = graph.add(new MergeNode()); |
9434
50f02c7d1cec
Rename EndNode => AbstractEndNode and make abstract class. Introduce concrete EndNode subclass.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9329
diff
changeset
|
448 AbstractEndNode newBottomEnd = graph.add(new EndNode()); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
449 newBottomMerge.addForwardEnd(newBottomEnd); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
450 newBottomMerge.setStateAfter(stateAfterMerge); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
451 ((FixedWithNextNode) successor.predecessor()).setNext(newBottomEnd); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
452 newBottomMerge.setNext(successor); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
453 return newBottomEnd; |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
454 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
455 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
456 /** |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
457 * Expands the set of nodes to be duplicated by looking at a number of conditions: |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
458 * <ul> |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
459 * <li>Inputs of type {@link InputType#Value} into the duplicated set will be rerouted to a |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
460 * new phi node.</li> |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
461 * <li>Inputs of type {@link InputType#Association}, {@link InputType#Condition} and |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
462 * {@link InputType#State} into the duplicated set will be rerouted to a duplicated version |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
463 * of the inside node.</li> |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
464 * <li>Dependencies into the duplicated nodes will be replaced with dependencies on the |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
465 * merge.</li> |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
466 * <li>Inputs of type {@link InputType#Association}, {@link InputType#Condition} and |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
467 * {@link InputType#State} to outside the duplicated set will cause the outside node to be |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
468 * pulled into the duplicated set.</li> |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
469 * </ul> |
15001 | 470 * |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
471 * @param duplicatedNodes The set of duplicated nodes that will be modified (expanded). |
7530
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
472 * @param newBottomMerge The merge that follows the duplicated set of nodes. It will be used |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
473 * for newly created phis and to as a target for dependencies that pointed into |
5e3d1a68664e
applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents:
7255
diff
changeset
|
474 * the duplicated set of nodes. |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
475 */ |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
476 private void expandDuplicated(HashSet<Node> duplicatedNodes, MergeNode newBottomMerge) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
477 Deque<Node> worklist = new ArrayDeque<>(duplicatedNodes); |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
478 |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
479 while (!worklist.isEmpty()) { |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
480 Node duplicated = worklist.remove(); |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
481 processUsages(duplicated, duplicatedNodes, newBottomMerge, worklist); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
482 processInputs(duplicated, duplicatedNodes, worklist); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
483 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
484 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
485 |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
486 private void processUsages(Node duplicated, HashSet<Node> duplicatedNodes, MergeNode newBottomMerge, Deque<Node> worklist) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
487 HashSet<Node> unique = new HashSet<>(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
488 duplicated.usages().snapshotTo(unique); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
489 Node newOutsideClone = null; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
490 for (Node usage : unique) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
491 if (!duplicatedNodes.contains(usage)) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
492 NodeClassIterator iter = usage.inputs().iterator(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
493 while (iter.hasNext()) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
494 Position pos = iter.nextPosition(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
495 if (pos.get(usage) == duplicated) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
496 switch (pos.getInputType(usage)) { |
15019
3498761a33d8
differentiate between tightly coupling edges (Extension) and loosely coupling edges (Association)
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15006
diff
changeset
|
497 case Extension: |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
498 case Condition: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
499 case State: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
500 // clone the offending node to the outside |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
501 if (newOutsideClone == null) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
502 newOutsideClone = duplicated.copyWithInputs(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
503 // this might cause other nodes to have outside usages |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
504 for (Node input : newOutsideClone.inputs()) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
505 if (duplicatedNodes.contains(input)) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
506 worklist.add(input); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
507 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
508 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
509 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
510 pos.set(usage, newOutsideClone); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
511 break; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
512 case Guard: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
513 case Anchor: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
514 // re-route dependencies to the merge |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
515 pos.set(usage, newBottomMerge); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
516 break; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
517 case Value: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
518 // introduce a new phi |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
519 ValueNode node = (ValueNode) duplicated; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
520 PhiNode newPhi = bottomPhis.get(node); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
521 if (newPhi == null) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
522 newPhi = graph.addWithoutUnique(new ValuePhiNode(node.stamp().unrestricted(), newBottomMerge)); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
523 bottomPhis.put(node, newPhi); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
524 newPhi.addInput(node); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
525 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
526 pos.set(usage, newPhi); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
527 break; |
15019
3498761a33d8
differentiate between tightly coupling edges (Extension) and loosely coupling edges (Association)
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15006
diff
changeset
|
528 case Association: |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
529 default: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
530 throw GraalInternalError.shouldNotReachHere(); |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
531 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
532 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
533 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
534 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
535 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
536 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
537 |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
538 private void processInputs(Node duplicated, HashSet<Node> duplicatedNodes, Deque<Node> worklist) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
539 // check if this node has an input that lies outside and cannot be shared |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
540 NodeClassIterator iter = duplicated.inputs().iterator(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
541 while (iter.hasNext()) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
542 Position pos = iter.nextPosition(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
543 Node input = pos.get(duplicated); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
544 if (input != null && !duplicatedNodes.contains(input)) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
545 switch (pos.getInputType(duplicated)) { |
15019
3498761a33d8
differentiate between tightly coupling edges (Extension) and loosely coupling edges (Association)
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15006
diff
changeset
|
546 case Extension: |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
547 case Condition: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
548 case State: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
549 if (input != merge) { |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
550 duplicatedNodes.add(input); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
551 worklist.add(input); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
552 } |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
553 break; |
15019
3498761a33d8
differentiate between tightly coupling edges (Extension) and loosely coupling edges (Association)
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15006
diff
changeset
|
554 case Association: |
15006
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
555 case Guard: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
556 case Anchor: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
557 case Value: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
558 // no change needed |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
559 break; |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
560 default: |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
561 throw GraalInternalError.shouldNotReachHere(); |
e60ea0bf468d
remove StampFactory.dependency/extension/condition
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15001
diff
changeset
|
562 } |
5786
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
563 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
564 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
565 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
566 } |
f69a406355b2
new tail duplication phase
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
567 } |