Mercurial > hg > truffle

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/IntegerSwitchNode.java @ 18993:480bd3b1adcd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Rename BeginNode => AbstractBeginNode.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 28 Jan 2015 00:50:31 +0100
parents f57d86eb036f
children 7e2c87dae93e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
1 /*
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 17450
diff changeset
2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
4 *
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
7 * published by the Free Software Foundation.
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
8 *
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
13 * accompanied this code).
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
14 *
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
18 *
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
21 * questions.
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
22 */
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
23 package com.oracle.graal.nodes.extended;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
24
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
25 import java.util.*;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
26
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
27 import com.oracle.graal.api.meta.*;
15261
882f4cb7cfcf Move Stamps to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents: 15145
diff changeset
28 import com.oracle.graal.compiler.common.type.*;
11881
da9db8331658 moved Canonicalizable and Simplifiable to the com.oracle.graal.graph project (GRAAL-506)
Doug Simon <doug.simon@oracle.com>
parents: 11265
diff changeset
29 import com.oracle.graal.graph.spi.*;
16841
cbd42807a31f moved NodeInfo and friends into separate com.oracle.graal.nodeinfo project so that annotation processor can be applied to the base Node class
Doug Simon <doug.simon@oracle.com>
parents: 16822
diff changeset
30 import com.oracle.graal.nodeinfo.*;
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
31 import com.oracle.graal.nodes.*;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
32 import com.oracle.graal.nodes.spi.*;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
33 import com.oracle.graal.nodes.util.*;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
34
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
35 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7257
diff changeset
36 * The {@code IntegerSwitchNode} represents a switch on integer keys, with a sorted array of key
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7257
diff changeset
37 * values. The actual implementation of the switch will be decided by the backend.
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
38 */
16822
5d468add216f added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents: 16617
diff changeset
39 @NodeInfo
5d468add216f added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents: 16617
diff changeset
40 public class IntegerSwitchNode extends SwitchNode implements LIRLowerable, Simplifiable {
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
41
17328
c9bb0da795d4 Backed out of changeset 17322:655f3e6b467b
Doug Simon <doug.simon@oracle.com>
parents: 17327
diff changeset
42 protected final int[] keys;
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
43
18993
480bd3b1adcd Rename BeginNode => AbstractBeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
44 public IntegerSwitchNode(ValueNode value, AbstractBeginNode[] successors, int[] keys, double[] keyProbabilities, int[] keySuccessors) {
7705
96a596d751ab remove successorProbabilities from SwitchNode
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
45 super(value, successors, keySuccessors, keyProbabilities);
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
46 assert keySuccessors.length == keys.length + 1;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
47 assert keySuccessors.length == keyProbabilities.length;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
48 this.keys = keys;
18362
ea0fbb571466 Use pointer stamps in LoadHub and LoadMethod.
Roland Schatz <roland.schatz@oracle.com>
parents: 18187
diff changeset
49 assert value.stamp() instanceof PrimitiveStamp && value.stamp().getStackKind().isNumericInteger();
13294
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
50 assert assertSorted();
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
51 }
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
52
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
53 private boolean assertSorted() {
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
54 for (int i = 1; i < keys.length; i++) {
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
55 assert keys[i - 1] < keys[i];
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
56 }
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
57 return true;
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
58 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
59
18845
f57d86eb036f removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents: 18362
diff changeset
60 public IntegerSwitchNode(ValueNode value, int successorCount, int[] keys, double[] keyProbabilities, int[] keySuccessors) {
18993
480bd3b1adcd Rename BeginNode => AbstractBeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
61 this(value, new AbstractBeginNode[successorCount], keys, keyProbabilities, keySuccessors);
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
62 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
63
13294
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
64 @Override
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
65 public boolean isSorted() {
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
66 return true;
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
67 }
29907e69ae8d rework of switch generation: move code into platform independent SwitchStrategy, add boolean switch strategy
Lukas Stadler <lukas.stadler@jku.at>
parents: 11881
diff changeset
68
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
69 /**
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
70 * Gets the key at the specified index.
16617
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
71 *
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
72 * @param i the index
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
73 * @return the key at that index
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
74 */
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
75 @Override
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 17450
diff changeset
76 public JavaConstant keyAt(int i) {
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 17450
diff changeset
77 return JavaConstant.forInt(keys[i]);
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
78 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
79
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
80 @Override
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
81 public int keyCount() {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
82 return keys.length;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
83 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
84
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
85 @Override
16617
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
86 public boolean equalKeys(SwitchNode switchNode) {
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
87 if (!(switchNode instanceof IntegerSwitchNode)) {
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
88 return false;
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
89 }
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
90 IntegerSwitchNode other = (IntegerSwitchNode) switchNode;
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
91 return Arrays.equals(keys, other.keys);
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
92 }
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
93
c164a505fc23 Properly handle multiple copies of the same test when unswitching
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15261
diff changeset
94 @Override
14950
d5a1206e1923 NodeLIRBuilderTool: fix typo in interface name.
Josef Eisl <josef.eisl@jku.at>
parents: 14888
diff changeset
95 public void generate(NodeLIRBuilderTool gen) {
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
96 gen.emitSwitch(this);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
97 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
98
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
99 @Override
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
100 public void simplify(SimplifierTool tool) {
6359
f8416485a37f canonicalize IntegerSwitchNode with only a default successor
Lukas Stadler <lukas.stadler@jku.at>
parents: 5711
diff changeset
101 if (blockSuccessorCount() == 1) {
f8416485a37f canonicalize IntegerSwitchNode with only a default successor
Lukas Stadler <lukas.stadler@jku.at>
parents: 5711
diff changeset
102 tool.addToWorkList(defaultSuccessor());
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
103 graph().removeSplitPropagate(this, defaultSuccessor());
6359
f8416485a37f canonicalize IntegerSwitchNode with only a default successor
Lukas Stadler <lukas.stadler@jku.at>
parents: 5711
diff changeset
104 } else if (value() instanceof ConstantNode) {
18187
9619ba4daf4c Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 17450
diff changeset
105 int constant = value().asJavaConstant().asInt();
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
106
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
107 int survivingEdge = keySuccessorIndex(keyCount());
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
108 for (int i = 0; i < keyCount(); i++) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
109 if (keys[i] == constant) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
110 survivingEdge = keySuccessorIndex(i);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
111 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
112 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
113 for (int i = 0; i < blockSuccessorCount(); i++) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
114 if (i != survivingEdge) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
115 tool.deleteBranch(blockSuccessor(i));
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
116 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
117 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
118 tool.addToWorkList(blockSuccessor(survivingEdge));
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
119 graph().removeSplit(this, blockSuccessor(survivingEdge));
11265
ef6915cf1e59 Add illegal stamp
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 11262
diff changeset
120 } else if (value().stamp() instanceof IntegerStamp) {
17276
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16920
diff changeset
121 IntegerStamp integerStamp = (IntegerStamp) value().stamp();
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16920
diff changeset
122 if (!integerStamp.isUnrestricted()) {
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
123 int validKeys = 0;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
124 for (int i = 0; i < keyCount(); i++) {
17276
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16920
diff changeset
125 if (integerStamp.contains(keys[i])) {
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
126 validKeys++;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
127 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
128 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
129 if (validKeys == 0) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
130 tool.addToWorkList(defaultSuccessor());
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
131 graph().removeSplitPropagate(this, defaultSuccessor());
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
132 } else if (validKeys != keys.length) {
18993
480bd3b1adcd Rename BeginNode => AbstractBeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
133 ArrayList<AbstractBeginNode> newSuccessors = new ArrayList<>(blockSuccessorCount());
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
134 int[] newKeys = new int[validKeys];
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7257
diff changeset
135 int[] newKeySuccessors = new int[validKeys + 1];
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
136 double[] newKeyProbabilities = new double[validKeys + 1];
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
137 double totalProbability = 0;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
138 int current = 0;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
139 for (int i = 0; i < keyCount() + 1; i++) {
17276
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16920
diff changeset
140 if (i == keyCount() || integerStamp.contains(keys[i])) {
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
141 int index = newSuccessors.indexOf(keySuccessor(i));
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
142 if (index == -1) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
143 index = newSuccessors.size();
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
144 newSuccessors.add(keySuccessor(i));
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
145 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
146 newKeySuccessors[current] = index;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
147 if (i < keyCount()) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
148 newKeys[current] = keys[i];
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
149 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
150 newKeyProbabilities[current] = keyProbability(i);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
151 totalProbability += keyProbability(i);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
152 current++;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
153 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
154 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
155 if (totalProbability > 0) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
156 for (int i = 0; i < current; i++) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
157 newKeyProbabilities[i] /= totalProbability;
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
158 }
11262
c4703de83626 Fix Switch probability if simplification leaves no non-zero probability successor
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9602
diff changeset
159 } else {
c4703de83626 Fix Switch probability if simplification leaves no non-zero probability successor
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9602
diff changeset
160 for (int i = 0; i < current; i++) {
c4703de83626 Fix Switch probability if simplification leaves no non-zero probability successor
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9602
diff changeset
161 newKeyProbabilities[i] = 1.0 / current;
c4703de83626 Fix Switch probability if simplification leaves no non-zero probability successor
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9602
diff changeset
162 }
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
163 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
164
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
165 for (int i = 0; i < blockSuccessorCount(); i++) {
18993
480bd3b1adcd Rename BeginNode => AbstractBeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
166 AbstractBeginNode successor = blockSuccessor(i);
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
167 if (!newSuccessors.contains(successor)) {
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
168 tool.deleteBranch(successor);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
169 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
170 setBlockSuccessor(i, null);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
171 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
172
18993
480bd3b1adcd Rename BeginNode => AbstractBeginNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
173 AbstractBeginNode[] successorsArray = newSuccessors.toArray(new AbstractBeginNode[newSuccessors.size()]);
18845
f57d86eb036f removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents: 18362
diff changeset
174 IntegerSwitchNode newSwitch = graph().add(new IntegerSwitchNode(value(), successorsArray, newKeys, newKeyProbabilities, newKeySuccessors));
5698
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
175 ((FixedWithNextNode) predecessor()).setNext(newSwitch);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
176 GraphUtil.killWithUnusedFloatingInputs(this);
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
177 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
178 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
179 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
180 }
764db9ada24f rework of switch operations: unify lookup- and tableswitch, introduce switch lir instructions
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff changeset
181 }