Mercurial > hg > graal-compiler

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/RegisterFinalizerNode.java @ 19800:3362ba500371

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Connect required Assumptions with answer to CHA query
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Wed, 11 Mar 2015 17:32:04 -0700
parents 14e703edb2ab
children d256b81b6335
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 /*
19403
7e2c87dae93e Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19306
diff changeset
2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
3733
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
15926
af0e42dad358 reduced time to initialize ForeignCallProviders by avoiding triggering class initialization of Node subclasses as well as making annotation parsing lazy in SnippetInfo
Doug Simon <doug.simon@oracle.com>
parents: 15301
diff changeset
25 import static com.oracle.graal.nodes.java.ForeignCallDescriptors.*;
af0e42dad358 reduced time to initialize ForeignCallProviders by avoiding triggering class initialization of Node subclasses as well as making annotation parsing lazy in SnippetInfo
Doug Simon <doug.simon@oracle.com>
parents: 15301
diff changeset
26
5510
426c605c9d3c Move cri.ci to api.code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5443
diff changeset
27 import com.oracle.graal.api.code.*;
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
28 import com.oracle.graal.api.meta.*;
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
29 import com.oracle.graal.api.meta.Assumptions.AssumptionResult;
15261
882f4cb7cfcf Move Stamps to graal.compiler.common.
Josef Eisl <josef.eisl@jku.at>
parents: 15001
diff changeset
30 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: 19306
diff changeset
31 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
32 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
33 import com.oracle.graal.nodeinfo.*;
5060
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
34 import com.oracle.graal.nodes.*;
4ed4295ce15f Update import statements.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5059
diff changeset
35 import com.oracle.graal.nodes.spi.*;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
36
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
37 /**
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
38 * This node is used to perform the finalizer registration at the end of the java.lang.Object
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
39 * constructor.
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
40 */
16811
5d468add216f added @NodeInfo annotations to all Node classes
Doug Simon <doug.simon@oracle.com>
parents: 16332
diff changeset
41 @NodeInfo
19403
7e2c87dae93e Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19306
diff changeset
42 public final class RegisterFinalizerNode extends AbstractStateSplit implements Canonicalizable.Unary<ValueNode>, LIRLowerable, Virtualizable, DeoptimizingNode.DeoptAfter {
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
43
19529
8fc336a04d77 Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19410
diff changeset
44 public static final NodeClass<RegisterFinalizerNode> TYPE = NodeClass.create(RegisterFinalizerNode.class);
16897
f90dcdbbb75e switched to using new NodeFieldIterator and NodeFieldIterable for traversing Node inputs and successors
Doug Simon <doug.simon@oracle.com>
parents: 16895
diff changeset
45 @OptionalInput(InputType.State) FrameState deoptState;
f90dcdbbb75e switched to using new NodeFieldIterator and NodeFieldIterable for traversing Node inputs and successors
Doug Simon <doug.simon@oracle.com>
parents: 16895
diff changeset
46 @Input ValueNode value;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
47
18845
f57d86eb036f removed Node factory methods
Doug Simon <doug.simon@oracle.com>
parents: 17450
diff changeset
48 public RegisterFinalizerNode(ValueNode value) {
19403
7e2c87dae93e Create static final NodeClass field named TYPE in Node subclasses.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19306
diff changeset
49 super(TYPE, StampFactory.forVoid());
16248
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
50 this.value = value;
3733
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
16248
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
53 public ValueNode getValue() {
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
54 return value;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
55 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
56
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
57 @Override
14950
d5a1206e1923 NodeLIRBuilderTool: fix typo in interface name.
Josef Eisl <josef.eisl@jku.at>
parents: 14888
diff changeset
58 public void generate(NodeLIRBuilderTool gen) {
14841
47e4d2e01c6e Split LIRGenerator and fix AMD64 backend.
Josef Eisl <josef.eisl@jku.at>
parents: 14836
diff changeset
59 ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(REGISTER_FINALIZER);
16248
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
60 gen.getLIRGeneratorTool().emitForeignCall(linkage, gen.state(this), gen.operand(getValue()));
3733
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
19068
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
63 /**
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
64 * Determines if the compiler should emit code to test whether a given object has a finalizer
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
65 * that must be registered with the runtime upon object initialization.
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
66 */
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
67 public static boolean mayHaveFinalizer(ValueNode object, Assumptions assumptions) {
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
68 ObjectStamp objectStamp = (ObjectStamp) object.stamp();
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
69 if (objectStamp.isExactType()) {
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
70 return objectStamp.type().hasFinalizer();
19800
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
71 } else if (objectStamp.type() != null && assumptions != null) {
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
72 AssumptionResult<Boolean> result = objectStamp.type().hasFinalizableSubclass();
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
73 assumptions.record(result);
3362ba500371 Connect required Assumptions with answer to CHA query
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 19775
diff changeset
74 return result.getResult();
19068
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
75 }
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
76 return true;
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
77 }
0499dbe2da01 factored out common code
Doug Simon <doug.simon@oracle.com>
parents: 18845
diff changeset
78
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
79 @Override
16248
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
80 public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
81 if (!(forValue.stamp() instanceof ObjectStamp)) {
11265
ef6915cf1e59 Add illegal stamp
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9794
diff changeset
82 return this;
ef6915cf1e59 Add illegal stamp
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 9794
diff changeset
83 }
19250
8ab925a6f724 made Assumptions be part of a StructuredGraph
Doug Simon <doug.simon@oracle.com>
parents: 19068
diff changeset
84 if (!mayHaveFinalizer(forValue, graph().getAssumptions())) {
4310
72d099e5be61 more CanonicalizerPhase simplifications, added Simplifiable interface
Lukas Stadler <lukas.stadler@jku.at>
parents: 4309
diff changeset
85 return null;
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
86 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
87
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
88 return this;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
89 }
8400
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
90
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
91 @Override
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
92 public void virtualize(VirtualizerTool tool) {
16248
c5b2a3c22318 refactor more Canonicalizable implementations to not add new nodes to the graph
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15926
diff changeset
93 State state = tool.getObjectState(getValue());
8400
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
94 if (state != null && !state.getVirtualObject().type().hasFinalizer()) {
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
95 tool.delete();
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
96 }
afb190b1eeb3 added RegisterFinalizer.virtualize
Lukas Stadler <lukas.stadler@jku.at>
parents: 7530
diff changeset
97 }
8485
ba0458c143bb finalizer registration is now done via method substitution (again)
Doug Simon <doug.simon@oracle.com>
parents: 8449
diff changeset
98
8892
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8485
diff changeset
99 @Override
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8485
diff changeset
100 public boolean canDeoptimize() {
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8485
diff changeset
101 return true;
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8485
diff changeset
102 }
2c0c708a0ad6 Introduce DeoptimizingNode interface
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 8485
diff changeset
103
8485
ba0458c143bb finalizer registration is now done via method substitution (again)
Doug Simon <doug.simon@oracle.com>
parents: 8449
diff changeset
104 @NodeIntrinsic
19775
14e703edb2ab use GraphBuilderPlugins for method substitutions, intrinsics and snippets (GRAAL-982)
Doug Simon <doug.simon@oracle.com>
parents: 19529
diff changeset
105 public static native void register(Object thisObj);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
106 }