org.robovm.compiler.llvm.UnaryOpInstruction Maven / Gradle / Ivy
/*
* Copyright (C) 2012 Trillian Mobile AB
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.robovm.compiler.llvm;
import java.util.Collections;
import java.util.Set;
/**
*
* @version $Id$
*/
public abstract class UnaryOpInstruction extends Instruction {
protected final Variable result;
protected final Value op;
protected UnaryOpInstruction(Variable result, Value op) {
this.result = result;
this.op = op;
}
@Override
public Set getWritesTo() {
return Collections.singleton(result);
}
@Override
public Set getReadsFrom() {
if (op instanceof VariableRef) {
return Collections.singleton((VariableRef) op);
}
return super.getReadsFrom();
}
}