Mercurial > hg > truffle
annotate graal/com.oracle.max.graal.nodes/src/com/oracle/graal/nodes/extended/SwitchNode.java @ 5060:4ed4295ce15f
Update import statements.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Thu, 08 Mar 2012 19:11:12 +0100 |
parents | ed559a528128 |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.graal.nodes.extended; |
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24 |
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25 import com.oracle.graal.nodes.*; |
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26 import com.oracle.graal.nodes.type.*; |
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27 |
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28 /** |
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29 * The {@code SwitchNode} class is the base of both lookup and table switches. |
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30 */ |
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31 public abstract class SwitchNode extends ControlSplitNode { |
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32 |
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33 @Input private ValueNode value; |
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34 |
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35 public ValueNode value() { |
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36 return value; |
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37 } |
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38 |
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39 /** |
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40 * Constructs a new Switch. |
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41 * @param value the instruction that provides the value to be switched over |
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42 * @param successors the list of successors of this switch |
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43 * @param stateAfter the state after the switch |
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44 */ |
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45 public SwitchNode(ValueNode value, BeginNode[] successors, double[] probability) { |
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46 super(StampFactory.illegal(), successors, probability); |
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47 this.value = value; |
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48 } |
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49 |
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50 /** |
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51 * Gets the number of cases that this switch covers (excluding the default case). |
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52 * @return the number of cases |
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53 */ |
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54 public int numberOfCases() { |
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55 return blockSuccessorCount() - 1; |
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56 } |
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57 } |