Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ValuePhiNode.java @ 15172:009d945ddc39
Add FindBugs SupressWarnings to HotSpotInstalledCode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 16 Apr 2014 19:47:22 +0200 |
parents | e302df8bf51c |
children | 2c0cfbf454b5 |
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/* * Copyright (c) 2009, 2014, 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 com.oracle.graal.nodes; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodes.type.*; /** * The {@code PhiNode} represents the merging of dataflow in the graph. It refers to a merge and a * variable. */ @NodeInfo(nameTemplate = "ValuePhi({i#values})") public class ValuePhiNode extends PhiNode implements Canonicalizable { @Input final NodeInputList<ValueNode> values = new NodeInputList<>(this); /** * Create a value phi with the specified stamp. * * @param stamp the stamp of the value * @param merge the merge that the new phi belongs to */ public ValuePhiNode(Stamp stamp, MergeNode merge) { super(stamp, merge); assert stamp != StampFactory.forVoid(); } @Override public NodeInputList<ValueNode> values() { return values; } @Override public boolean inferStamp() { return inferPhiStamp(); } public boolean inferPhiStamp() { return updateStamp(StampTool.meet(values())); } }