Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/ir/Base.java @ 2521:2f271a85d104
Removed intrinsic-related instructions
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 16:40:09 +0200 |
parents | a384fac3fd34 |
children | 4a36a0bd6d18 |
rev | line source |
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2507
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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.sun.c1x.ir; |
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24 |
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25 import com.sun.c1x.debug.*; |
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26 import com.sun.cri.ci.*; |
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27 |
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28 /** |
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29 * The {@code Base} instruction represents the end of the entry block of the procedure that has |
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30 * both the standard entry and the OSR entry as successors. |
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31 * |
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32 * @author Ben L. Titzer |
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33 */ |
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34 public final class Base extends BlockEnd { |
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35 |
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36 /** |
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37 * Constructs a new Base instruction. |
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38 * @param standardEntry the standard entrypoint block |
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39 */ |
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40 public Base(BlockBegin standardEntry) { |
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41 super(CiKind.Illegal, null, false); |
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42 assert standardEntry.isStandardEntry(); |
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43 successors.add(standardEntry); |
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44 } |
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45 |
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46 /** |
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47 * Gets the standard entrypoint block. |
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48 * @return the standard entrypoint block |
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49 */ |
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50 public BlockBegin standardEntry() { |
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51 return defaultSuccessor(); |
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52 } |
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53 |
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54 /** |
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55 * Gets the OSR entrypoint block, if it exists. |
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56 * @return the OSR entrypoint bock, if it exists; {@code null} otherwise |
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57 */ |
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58 public BlockBegin osrEntry() { |
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59 return successors.size() < 2 ? null : successors.get(0); |
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60 } |
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61 |
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62 @Override |
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63 public void accept(ValueVisitor v) { |
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64 v.visitBase(this); |
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65 } |
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66 |
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67 @Override |
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68 public void print(LogStream out) { |
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69 out.print("std entry B").print(standardEntry().blockID); |
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70 if (successors().size() > 1) { |
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71 out.print(" osr entry B").print(osrEntry().blockID); |
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72 } |
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73 } |
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74 } |