Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeArrayCastNode.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 52c88c405d07 |
children | 630ea5001e33 |
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/* * Copyright (c) 2012, 2012, 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.graal.nodes.extended; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; /** * The {@code UnsafeCastNode} produces the same value as its input, but with a different type. */ public final class UnsafeArrayCastNode extends UnsafeCastNode implements ArrayLengthProvider { @Input private ValueNode length; public ValueNode length() { return length; } public UnsafeArrayCastNode(ValueNode object, ValueNode length, Stamp stamp) { super(object, stamp); this.length = length; } @Override public ValueNode canonical(CanonicalizerTool tool) { if (!(object() instanceof ArrayLengthProvider) || length() != ((ArrayLengthProvider) object()).length()) { return this; } return super.canonical(tool); } @NodeIntrinsic public static native <T> T unsafeArrayCast(Object object, int length, @ConstantNodeParameter Stamp stamp); }