Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/KillingBeginNode.java @ 13153:ae0001b445c0
Common base interface for nodes in the memory graph.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 25 Nov 2013 17:10:22 +0100 |
parents | 762dc2f23d1c |
children | 06e50d290784 |
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/* * Copyright (c) 2013, 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.api.meta.*; import com.oracle.graal.nodes.extended.*; public class KillingBeginNode extends AbstractBeginNode implements MemoryCheckpoint.Single { private LocationIdentity locationIdentity; public KillingBeginNode(LocationIdentity locationIdentity) { this.locationIdentity = locationIdentity; } public static KillingBeginNode begin(FixedNode with, LocationIdentity locationIdentity) { if (with instanceof KillingBeginNode) { return (KillingBeginNode) with; } KillingBeginNode begin = with.graph().add(new KillingBeginNode(locationIdentity)); begin.setNext(with); return begin; } @Override public LocationIdentity getLocationIdentity() { return locationIdentity; } public MemoryCheckpoint asMemoryCheckpoint() { return this; } public MemoryPhiNode asMemoryPhi() { return null; } }