Mercurial > hg > graal-compiler

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/AbstractNewArrayNode.java @ 21155:754f2b20d8bc graal-0.7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Skip invokes with a placeholder framestate in MethodCallTargetNode.simplify
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Wed, 29 Apr 2015 17:28:50 +0200
parents 8fc336a04d77
children 40aff2bb1880
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
1 /*
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
4 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
8 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
14 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
18 *
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
21 * questions.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
22 */
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
23 package com.oracle.graal.nodes.java;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
24
15198
2c0cfbf454b5 Move LIRTypeTool and Stamp to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents: 13330
diff changeset
25 import com.oracle.graal.compiler.common.type.*;
19403
7e2c87dae93e Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18998
diff changeset
26 import com.oracle.graal.graph.*;
11881
da9db8331658 moved Canonicalizable and Simplifiable to the com.oracle.graal.graph project (GRAAL-506)
Doug Simon <doug.simon@oracle.com>
parents: 11880
diff changeset
27 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: 16811
diff changeset
28 import com.oracle.graal.nodeinfo.*;
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
29 import com.oracle.graal.nodes.*;
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
30 import com.oracle.graal.nodes.spi.*;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
31
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
32 /**
10589
17c5cc84560b Factor out common code of NewArrayNode and DynamicNewArrayNode.
Roland Schatz <roland.schatz@oracle.com>
parents: 9880
diff changeset
33 * The {@code AbstractNewArrayNode} is used for all 1-dimensional array allocations.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
34 */
16811
5d468add216f added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents: 15261
diff changeset
35 @NodeInfo
18998
ec0733b5a90a Allow final modifier on node subclasses and start adding the modifier to leaf classes.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18845
diff changeset
36 public abstract class AbstractNewArrayNode extends AbstractNewObjectNode implements ArrayLengthProvider {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
37
19529
8fc336a04d77 Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19471
diff changeset
38 public static final NodeClass<AbstractNewArrayNode> TYPE = NodeClass.create(AbstractNewArrayNode.class);
16957
27b40d2f8f8a relaxed access control from package to protected for elements that need to be accessed in generated subclasses in disjoint packages
Doug Simon <doug.simon@oracle.com>
parents: 16919
diff changeset
39 @Input protected ValueNode length;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
40
5885
d172b68e7762 allow array length canonicalization on InitializeArrayNode
Lukas Stadler <lukas.stadler@jku.at>
parents: 5814
diff changeset
41 @Override
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
42 public ValueNode length() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
43 return length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
44 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
45
19471
880717e44675 Use typed NodeClass in node constructors.
Roland Schatz <roland.schatz@oracle.com>
parents: 19410
diff changeset
46 public AbstractNewArrayNode(NodeClass<? extends AbstractNewArrayNode> c, Stamp stamp, ValueNode length, boolean fillContents) {
19403
7e2c87dae93e Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 18998
diff changeset
47 super(c, stamp, fillContents);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
48 this.length = length;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
49 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
50
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
51 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
52 * The list of node which produce input for this instruction.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
53 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
54 public ValueNode dimension(int index) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
55 assert index == 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
56 return length();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
57 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
58
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
59 /**
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
60 * The rank of the array allocated by this node, i.e. how many array dimensions.
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
61 */
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
62 public int dimensionCount() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
63 return 1;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
64 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
65
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5646
diff changeset
66 @Override
13330
1f4c9729c9f0 add base class for new object nodes, simplification to remove new objects without real usages
Lukas Stadler <lukas.stadler@jku.at>
parents: 12045
diff changeset
67 public void simplify(SimplifierTool tool) {
17276
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16957
diff changeset
68 Stamp lengthStamp = length.stamp();
ffb974bef674 moved Node valueNumber and valueEquals logic (optionally) to generated nodes
Doug Simon <doug.simon@oracle.com>
parents: 16957
diff changeset
69 if (lengthStamp instanceof IntegerStamp && ((IntegerStamp) lengthStamp).isPositive()) {
13330
1f4c9729c9f0 add base class for new object nodes, simplification to remove new objects without real usages
Lukas Stadler <lukas.stadler@jku.at>
parents: 12045
diff changeset
70 // otherwise, removing the allocation might swallow a NegativeArraySizeException
1f4c9729c9f0 add base class for new object nodes, simplification to remove new objects without real usages
Lukas Stadler <lukas.stadler@jku.at>
parents: 12045
diff changeset
71 super.simplify(tool);
7575
e3e8090cb46a remove unused allocations during (full) canonicalization
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
72 }
10670
5bab3272bb82 Make array allocations deoptimizing nodes.
Roland Schatz <roland.schatz@oracle.com>
parents: 10589
diff changeset
73 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
74 }