Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/ValueProxyNode.java @ 17450:45b45f902bed
removed Node generation (GRAAL-857)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 15 Oct 2014 15:35:33 +0200 |
parents | 9ff6aee72c8b |
children | f57d86eb036f |
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/* * Copyright (c) 2012, 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.nodeinfo.*; import com.oracle.graal.nodes.spi.*; @NodeInfo public class ValueProxyNode extends ProxyNode implements Canonicalizable, Virtualizable, ValueProxy { @Input ValueNode value; public static ValueProxyNode create(ValueNode value, BeginNode proxyPoint) { return new ValueProxyNode(value, proxyPoint); } protected ValueProxyNode(ValueNode value, BeginNode proxyPoint) { super(value.stamp(), proxyPoint); this.value = value; } @Override public ValueNode value() { return value; } @Override public boolean inferStamp() { return updateStamp(value.stamp()); } @Override public Node canonical(CanonicalizerTool tool) { if (value.isConstant()) { return value; } return this; } @Override public void virtualize(VirtualizerTool tool) { State state = tool.getObjectState(value); if (state != null && state.getState() == EscapeState.Virtual) { tool.replaceWithVirtual(state.getVirtualObject()); } } @Override public ValueNode getOriginalNode() { return value(); } }