| /* |
| * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.nodes.memory; |
| |
| import org.graalvm.compiler.core.common.LocationIdentity; |
| import org.graalvm.compiler.core.common.type.StampFactory; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.graph.NodeInputList; |
| import org.graalvm.compiler.nodeinfo.InputType; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| import org.graalvm.compiler.nodes.AbstractMergeNode; |
| import org.graalvm.compiler.nodes.PhiNode; |
| import org.graalvm.compiler.nodes.ValueNode; |
| |
| /** |
| * Memory {@code PhiNode}s merge memory dependencies at control flow merges. |
| */ |
| @NodeInfo(nameTemplate = "Phi({i#values}) {p#locationIdentity/s}", allowedUsageTypes = {InputType.Memory}) |
| public final class MemoryPhiNode extends PhiNode implements MemoryNode { |
| |
| public static final NodeClass<MemoryPhiNode> TYPE = NodeClass.create(MemoryPhiNode.class); |
| @Input(InputType.Memory) NodeInputList<ValueNode> values; |
| protected final LocationIdentity locationIdentity; |
| |
| public MemoryPhiNode(AbstractMergeNode merge, LocationIdentity locationIdentity) { |
| super(TYPE, StampFactory.forVoid(), merge); |
| this.locationIdentity = locationIdentity; |
| this.values = new NodeInputList<>(this); |
| } |
| |
| public MemoryPhiNode(AbstractMergeNode merge, LocationIdentity locationIdentity, ValueNode[] values) { |
| super(TYPE, StampFactory.forVoid(), merge); |
| this.locationIdentity = locationIdentity; |
| this.values = new NodeInputList<>(this, values); |
| } |
| |
| public LocationIdentity getLocationIdentity() { |
| return locationIdentity; |
| } |
| |
| @Override |
| public NodeInputList<ValueNode> values() { |
| return values; |
| } |
| } |