Mercurial > hg > graal-compiler
annotate graal/GraalCompiler/src/com/sun/c1x/ir/Goto.java @ 2672:35453d725a2a
Add a BailoutOnException option on C1X to be able to tell expected exceptions (bailouts on jsr etc.) appart from true/unexpected exceptions
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Thu, 12 May 2011 17:57:58 +0200 |
parents | 0c6564c254af |
children | a0dd2b907806 |
rev | line source |
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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.oracle.graal.graph.*; |
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26 import com.sun.c1x.debug.*; |
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27 import com.sun.c1x.value.*; |
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28 import com.sun.cri.ci.*; |
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29 |
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30 /** |
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31 * The {@code Goto} instruction represents the end of a block with an unconditional jump to another block. |
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32 */ |
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33 public final class Goto extends BlockEnd { |
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34 |
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35 private static final int INPUT_COUNT = 0; |
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36 private static final int SUCCESSOR_COUNT = 0; |
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37 |
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38 /** |
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39 * Constructs a new Goto instruction. |
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40 * @param succ the successor block of the goto |
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41 * @param stateAfter the frame state at the end of this block |
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42 * @param isSafepoint {@code true} if the goto should be considered a safepoint (e.g. backward branch) |
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43 * @param graph |
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44 */ |
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45 public Goto(BlockBegin succ, FrameState stateAfter, boolean isSafepoint, Graph graph) { |
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46 super(CiKind.Illegal, stateAfter, isSafepoint, 1, INPUT_COUNT, SUCCESSOR_COUNT, graph); |
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47 setBlockSuccessor(0, succ); |
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48 } |
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49 |
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50 @Override |
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51 public void accept(ValueVisitor v) { |
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52 v.visitGoto(this); |
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53 } |
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54 |
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55 @Override |
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56 public void print(LogStream out) { |
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57 out.print("goto B").print(defaultSuccessor().blockID); |
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58 if (isSafepoint()) { |
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59 out.print(" (safepoint)"); |
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60 } |
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61 } |
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62 } |