Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.nodes/src/com/oracle/graal/nodes/java/IsTypeNode.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 |
children |
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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.java; import java.util.*; import com.oracle.max.cri.ci.*; import com.oracle.max.cri.ri.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public final class IsTypeNode extends BooleanNode implements Canonicalizable, LIRLowerable { @Input private ValueNode objectClass; @Data private final RiResolvedType type; public ValueNode objectClass() { return objectClass; } /** * Constructs a new IsTypeNode. * * @param object the instruction producing the object to check against the given type * @param type the type for this check */ public IsTypeNode(ValueNode objectClass, RiResolvedType type) { super(StampFactory.illegal()); assert objectClass == null || objectClass.kind() == CiKind.Object; this.type = type; this.objectClass = objectClass; } public RiResolvedType type() { return type; } @Override public void generate(LIRGeneratorTool gen) { // nothing to do } @Override public Map<Object, Object> getDebugProperties() { Map<Object, Object> properties = super.getDebugProperties(); properties.put("type", type); return properties; } @Override public ValueNode canonical(CanonicalizerTool tool) { RiResolvedType exactType = objectClass() instanceof ReadHubNode ? ((ReadHubNode) objectClass()).object().exactType() : null; if (exactType != null) { return ConstantNode.forBoolean(exactType == type(), graph()); } // constants return the correct exactType, so they are handled by the code above return this; } @Override public BooleanNode negate() { throw new Error("unimplemented"); } }