/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.vm.compiler.ir.quad;
import org.jnode.vm.classmgr.VmConstClass;
import org.jnode.vm.compiler.ir.CodeGenerator;
import org.jnode.vm.compiler.ir.IRBasicBlock;
import org.jnode.vm.compiler.ir.Operand;
import org.jnode.vm.compiler.ir.Variable;
/**
* @author Levente S\u00e1ntha
*/
public class InstanceofAssignQuad<T> extends AssignQuad<T> {
private Operand<T>[] refs;
private VmConstClass clazz;
public InstanceofAssignQuad(int address, IRBasicBlock<T> block, int lhsIndex, VmConstClass clazz, int refIndex) {
super(address, block, lhsIndex);
this.clazz = clazz;
refs = new Operand[] {getOperand(refIndex)};
getLHS().setType(Operand.INT);
}
public VmConstClass getConstClass() {
return clazz;
}
public Operand getRef() {
return refs[0];
}
@Override
public Operand<T> propagate(Variable<T> operand) {
return operand;
}
@Override
public int getLHSLiveAddress() {
return getAddress() + 1;
}
@Override
public Operand<T>[] getReferencedOps() {
return refs;
}
@Override
public void doPass2() {
refs[0] = refs[0].simplify();
}
@Override
public void generateCode(CodeGenerator<T> cg) {
cg.generateCodeFor(this);
}
public String toString() {
return getAddress() + ": " + getLHS().toString() + " = " + refs[0] + " instanceof " + clazz.getClassName();
}
}