Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.nodes/src/com/oracle/graal/nodes/AbstractStateSplit.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
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/* * Copyright (c) 2009, 2011, 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 java.util.*; import com.oracle.graal.nodes.type.*; /** * The {@code AbstractStateSplit} class is the abstract base class of all instructions * that store an immutable copy of the frame state. */ public abstract class AbstractStateSplit extends FixedWithNextNode implements StateSplit { @Input(notDataflow = true) private FrameState stateAfter; @Override public FrameState stateAfter() { return stateAfter; } @Override public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } /** * Creates a new state split with the specified value type. * @param kind the type of the value that this instruction produces */ public AbstractStateSplit(Stamp stamp) { super(stamp); } @Override public boolean needsStateAfter() { return true; } @Override public Map<Object, Object> getDebugProperties() { Map<Object, Object> debugProperties = super.getDebugProperties(); if (stateAfter() != null) { debugProperties.put("stateAfter", stateAfter().toString(Verbosity.Debugger)); } return debugProperties; } }