Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/LoadIndexed.java @ 2546:e1b3db8031ee
Removed liveness marking.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 21:54:31 +0200 |
parents | 16b9a8b5ad39 |
children | fec99fc30af1 |
line wrap: on
line source
/* * 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.value.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The {@code LoadIndexed} instruction represents a read from an element of an array. * * @author Ben L. Titzer */ public final class LoadIndexed extends AccessIndexed { /** * Creates a new LoadIndexed instruction. * @param array the instruction producing the array * @param index the instruction producing the index * @param length the instruction producing the length * @param elementType the element type * @param stateBefore the state before executing this instruction */ public LoadIndexed(Value array, Value index, Value length, CiKind elementType, FrameState stateBefore) { super(elementType.stackKind(), array, index, length, elementType, stateBefore); } /** * Gets the declared type of this instruction's result. * @return the declared type */ @Override public RiType declaredType() { RiType arrayType = array().declaredType(); if (arrayType == null) { return null; } return arrayType.componentType(); } /** * Gets the exact type of this instruction's result. * @return the exact type */ @Override public RiType exactType() { RiType declared = declaredType(); return declared != null && declared.isResolved() ? declared.exactType() : null; } @Override public void accept(ValueVisitor v) { v.visitLoadIndexed(this); } @Override public void print(LogStream out) { out.print(array()).print('[').print(index()).print("] (").print(kind.typeChar).print(')'); } }