view graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/CastNode.java @ 3528:6b841b6b2437

First round of refactoring.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Tue, 09 Aug 2011 23:56:10 +0200
parents 9b59afa78775
children
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/*
 * Copyright (c) 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.max.graal.compiler.ir;

import com.oracle.max.graal.compiler.nodes.base.*;
import com.oracle.max.graal.compiler.nodes.spi.*;
import com.oracle.max.graal.graph.*;
import com.sun.cri.ci.*;


public final class CastNode extends FloatingNode {
    @Input private ValueNode value;

    public ValueNode value() {
        return value;
    }

    public void setValue(ValueNode x) {
        updateUsages(value, x);
        value = x;
    }

    public CastNode(CiKind kind, ValueNode n, Graph graph) {
        super(kind, graph);
        setValue(n);
    }

    @Override
    public void accept(ValueVisitor v) {
    }


    @SuppressWarnings("unchecked")
    @Override
    public <T extends Op> T lookup(Class<T> clazz) {
        if (clazz == LIRGeneratorOp.class) {
            return (T) new LIRGeneratorOp() {
                @Override
                public void generate(Node n, LIRGeneratorTool generator) {
                    CastNode conv = (CastNode) n;
                    conv.setOperand(generator.load(conv.value()));
                }
            };
        }
        return super.lookup(clazz);
    }
}