Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SLMain.java @ 13792:9e7acc9cad8e
kill unused frame states when loop exits are removed
thanks to Gilles
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 28 Jan 2014 23:38:22 +0100 |
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1 /* |
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2 * Copyright (c) 2012, 2013, 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.truffle.sl; |
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24 |
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25 import java.io.*; |
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26 |
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27 import com.oracle.truffle.api.*; |
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28 import com.oracle.truffle.api.nodes.*; |
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29 import com.oracle.truffle.api.source.*; |
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30 import com.oracle.truffle.sl.parser.*; |
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31 import com.oracle.truffle.sl.runtime.*; |
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32 |
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33 public class SLMain { |
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34 |
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35 private static final Object[] NO_ARGUMENTS = new Object[0]; |
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36 |
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37 public static void main(String[] args) { |
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38 SourceManager sourceManager = new SourceManager(); |
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39 Source source = sourceManager.get(args[0]); |
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40 SLContext context = new SLContext(sourceManager, System.err); |
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41 run(context, source, System.out, 1); |
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42 } |
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43 |
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44 public static void run(SLContext context, Source source, PrintStream logOutput, int repeats) { |
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45 if (logOutput != null) { |
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46 logOutput.println("== running on " + Truffle.getRuntime().getName()); |
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47 } |
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48 |
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49 Parser.parseSL(context, source); |
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50 SLFunction main = context.getFunctionRegistry().lookup("main"); |
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51 if (main.getCallTarget() == null) { |
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52 throw new SLException("No function main() found."); |
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53 } |
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54 |
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55 if (logOutput != null) { |
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56 printScript(context, logOutput); |
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57 } |
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58 try { |
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59 for (int i = 0; i < repeats; i++) { |
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60 long start = System.nanoTime(); |
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61 Object result = main.getCallTarget().call(null, new SLArguments(NO_ARGUMENTS)); |
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62 long end = System.nanoTime(); |
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63 |
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64 if (result != SLNull.INSTANCE) { |
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65 context.getPrintOutput().println(result); |
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66 } |
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67 if (logOutput != null) { |
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68 logOutput.printf("== iteration %d: %.3f ms\n", (i + 1), (end - start) / 1000000.0); |
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69 } |
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70 } |
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71 |
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72 } finally { |
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73 if (logOutput != null) { |
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74 printScript(context, logOutput); |
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75 } |
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76 } |
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77 } |
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78 |
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79 private static void printScript(SLContext context, PrintStream logOutput) { |
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80 for (SLFunction function : context.getFunctionRegistry().getFunctions()) { |
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81 if (function.getCallTarget() != null) { |
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82 logOutput.println("=== function " + function.getName()); |
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83 NodeUtil.printTree(logOutput, function.getCallTarget().getRootNode()); |
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84 } |
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85 } |
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86 } |
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87 } |