Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/InstanceOf.java @ 2587:51ebe5f0516f
changed NegateOp, more Op2 changes (generic inputValuesDo impl)
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 05 May 2011 15:01:34 +0200 |
parents | 0f9eeb15e636 |
children | f1bc67c2d453 |
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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.sun.c1x.ir; import com.sun.c1x.debug.*; import com.sun.c1x.util.*; import com.sun.c1x.value.*; import com.sun.cri.bytecode.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The {@code InstanceOf} instruction represents an instanceof test. * * @author Ben L. Titzer */ public final class InstanceOf extends TypeCheck { /** * Constructs a new InstanceOf instruction. * @param targetClass the target class of the instanceof check * @param object the instruction producing the object input to this instruction * @param stateBefore the state before this instruction */ public InstanceOf(RiType targetClass, Value targetClassInstruction, Value object, FrameState stateBefore) { super(targetClass, targetClassInstruction, object, CiKind.Int, stateBefore); } @Override public void accept(ValueVisitor v) { v.visitInstanceOf(this); } @Override public int valueNumber() { return Util.hash1(Bytecodes.INSTANCEOF, object); } @Override public boolean valueEqual(Instruction i) { if (i instanceof InstanceOf) { InstanceOf o = (InstanceOf) i; return targetClass == o.targetClass && object == o.object; } return false; } @Override public void print(LogStream out) { out.print("instanceof(").print(object()).print(") ").print(CiUtil.toJavaName(targetClass())); } }