Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionBodyNode.java @ 13215:dca16b3416ab
Don't peel counted loops.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 03 Dec 2013 11:10:16 +0100 |
parents | 71991b7a0f14 |
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12752
71991b7a0f14
SL: Enhanced SimpleLanguage with support for if statements, function calls, function caching + inlining and builtins.
Christian Humer <christian.humer@gmail.com>
parents:
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1 /* |
71991b7a0f14
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2 * Copyright (c) 2012, 2012, 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 |
71991b7a0f14
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
71991b7a0f14
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12 * version 2 for more details (a copy is included in the LICENSE file that |
71991b7a0f14
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13 * accompanied this code). |
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14 * |
71991b7a0f14
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15 * You should have received a copy of the GNU General Public License version |
71991b7a0f14
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
71991b7a0f14
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
71991b7a0f14
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18 * |
71991b7a0f14
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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 |
71991b7a0f14
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.sl.nodes; |
71991b7a0f14
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24 |
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25 import com.oracle.truffle.api.frame.*; |
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26 import com.oracle.truffle.api.nodes.*; |
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27 |
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28 public class FunctionBodyNode extends TypedNode { |
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29 |
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30 @Child private StatementNode body; |
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31 @Child private TypedNode returnValue; |
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32 @Child private StatementNode writeArguments; |
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33 |
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34 private FrameDescriptor frameDescriptor; |
71991b7a0f14
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35 |
71991b7a0f14
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36 public FunctionBodyNode(FrameDescriptor frameDescriptor, StatementNode body, TypedNode returnValue, String[] parameterNames) { |
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37 this.frameDescriptor = frameDescriptor; |
71991b7a0f14
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38 this.body = adoptChild(body); |
71991b7a0f14
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39 this.returnValue = adoptChild(returnValue); |
71991b7a0f14
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40 this.writeArguments = adoptChild(new BlockNode(createWriteArguments(parameterNames))); |
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41 } |
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42 |
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43 @Override |
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44 public Object executeGeneric(VirtualFrame frame) { |
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45 writeArguments.executeVoid(frame); |
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46 try { |
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47 body.executeVoid(frame); |
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48 } catch (ReturnException ex) { |
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49 // Nothing to do, we just need to return. |
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50 } |
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51 if (returnValue != null) { |
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52 return returnValue.executeGeneric(frame); |
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53 } else { |
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54 return null; |
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55 } |
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56 } |
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57 |
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58 @Override |
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59 public Node copy() { |
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60 FunctionBodyNode copy = (FunctionBodyNode) super.copy(); |
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61 copy.frameDescriptor = frameDescriptor.shallowCopy(); |
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62 return copy; |
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63 } |
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64 |
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65 private StatementNode[] createWriteArguments(String[] parameterNames) { |
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66 StatementNode[] writeNodes = new StatementNode[parameterNames.length]; |
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67 for (int i = 0; i < parameterNames.length; i++) { |
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68 FrameSlot frameSlot = frameDescriptor.findOrAddFrameSlot(parameterNames[i]); |
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69 writeNodes[i] = WriteLocalNodeFactory.create(frameSlot, new ReadArgumentNode(i)); |
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70 } |
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71 return writeNodes; |
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72 } |
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73 |
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74 public FrameDescriptor getFrameDescriptor() { |
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75 return frameDescriptor; |
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76 } |
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77 |
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78 } |