ResolveConstantNode.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.hotspot.nodes.aot;
24
25import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3;
26import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20;
27
28import org.graalvm.compiler.graph.NodeClass;
29import org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction;
30import org.graalvm.compiler.nodeinfo.NodeInfo;
31import org.graalvm.compiler.nodes.ValueNode;
32import org.graalvm.compiler.nodes.calc.FloatingNode;
33import org.graalvm.compiler.nodes.spi.Lowerable;
34import org.graalvm.compiler.nodes.spi.LoweringTool;
35
36@NodeInfo(cycles = CYCLES_3, size = SIZE_20)
37public class ResolveConstantNode extends FloatingNode implements Lowerable {
38    public static final NodeClass<ResolveConstantNode> TYPE = NodeClass.create(ResolveConstantNode.class);
39
40    @Input ValueNode value;
41    protected HotSpotConstantLoadAction action;
42
43    public ResolveConstantNode(ValueNode value, HotSpotConstantLoadAction action) {
44        super(TYPE, value.stamp());
45        this.value = value;
46        this.action = action;
47    }
48
49    public ResolveConstantNode(ValueNode value) {
50        super(TYPE, value.stamp());
51        this.value = value;
52        this.action = HotSpotConstantLoadAction.RESOLVE;
53    }
54
55    @Override
56    public void lower(LoweringTool tool) {
57        tool.getLowerer().lower(this, tool);
58    }
59
60    public ValueNode value() {
61        return value;
62    }
63
64    public HotSpotConstantLoadAction action() {
65        return action;
66    }
67}
68