Robust/src/Main/Main.java

   1 package Main;
   2
   3 import java.io.FileOutputStream;
   4 import java.io.PrintStream;
   5 import java.io.Reader;
   6 import java.io.BufferedReader;
   7 import java.io.FileReader;
   8 import java.io.FileInputStream;
   9 import java.util.Hashtable;
  10 import java.util.Iterator;
  11 import java.util.Set;
  12 import java.util.Vector;
  13
  14 import IR.Tree.ParseNode;
  15 import IR.Tree.BuildIR;
  16 import IR.Tree.SemanticCheck;
  17 import IR.Flat.BuildCodeMultiCore;
  18 import IR.Flat.BuildFlat;
  19 import IR.Flat.BuildCode;
  20 import IR.Flat.Inliner;
  21 import IR.ClassDescriptor;
  22 import IR.State;
  23 import IR.TaskDescriptor;
  24 import IR.TypeUtil;
  25 import Analysis.Scheduling.MCImplSynthesis;
  26 import Analysis.Scheduling.Schedule;
  27 import Analysis.Scheduling.ScheduleAnalysis;
  28 import Analysis.Scheduling.ScheduleSimulator;
  29 import Analysis.TaskStateAnalysis.TaskAnalysis;
  30 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
  31 import Analysis.TaskStateAnalysis.TaskGraph;
  32 import Analysis.CallGraph.CallGraph;
  33 import Analysis.TaskStateAnalysis.FEdge;
  34 import Analysis.TaskStateAnalysis.FlagState;
  35 import Analysis.TaskStateAnalysis.TagAnalysis;
  36 import Analysis.TaskStateAnalysis.GarbageAnalysis;
  37 import Analysis.TaskStateAnalysis.ExecutionGraph;
  38 import Analysis.TaskStateAnalysis.SafetyAnalysis;
  39 import Analysis.Locality.LocalityAnalysis;
  40 import Analysis.Locality.GenerateConversions;
  41 import Analysis.Prefetch.PrefetchAnalysis;
  42 import Analysis.FlatIRGraph.FlatIRGraph;
  43 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
  44 import Analysis.Disjoint.DisjointAnalysis;
  45 import Analysis.MLP.MLPAnalysis;
  46 import Analysis.Loops.*;
  47 import Analysis.Liveness;
  48 import Analysis.ArrayReferencees;
  49 import IR.MethodDescriptor;
  50 import IR.Flat.FlatMethod;
  51 import Interface.*;
  52 import Util.GraphNode;
  53 import Util.GraphNode.DFS;
  54 import Util.GraphNode.SCC;
  55
  56 public class Main {
  57
  58   /** Main method for the compiler.  */
  59
  60   public static void main(String args[]) throws Exception {
  61     String ClassLibraryPrefix="./ClassLibrary/";
  62     State state=new State();
  63     Vector sourcefiles=new Vector();
  64     state.classpath.add(".");
  65
  66     String outputdir = null;
  67     boolean isDistributeInfo = false;
  68     boolean isDisAll = false;
  69     int startnum = 0;
  70
  71     for(int i=0; i<args.length; i++) {
  72       String option=args[i];
  73       if (option.equals("-precise"))
  74         IR.Flat.BuildCode.GENERATEPRECISEGC=true;
  75       else if (option.equals("-prefetch"))
  76         state.PREFETCH=true;
  77       else if (option.equals("-dir"))
  78         IR.Flat.BuildCode.PREFIX=args[++i]+"/";
  79       else if (option.equals("-fastcheck"))
  80         state.FASTCHECK=true;
  81       else if (option.equals("-selfloop"))
  82         state.selfloops.add(args[++i]);
  83           else if (option.equals("-outputdir"))
  84         state.outputdir = args[++i];
  85       else if (option.equals("-excprefetch"))
  86         state.excprefetch.add(args[++i]);
  87       else if (option.equals("-classlibrary"))
  88         state.classpath.add(args[++i]);
  89       else if (option.equals("-inlineatomic")) {
  90         state.INLINEATOMIC=true;
  91         state.inlineatomicdepth=Integer.parseInt(args[++i]);
  92       } else if(option.equals("-numcore")) {
  93         ++i;
  94         state.CORENUM = Integer.parseInt(args[i]);
  95       } else if(option.equals("-numcore4gc")) {
  96         ++i;
  97         state.CORENUM4GC = Integer.parseInt(args[i]);
  98       } else if (option.equals("-mainclass"))
  99         state.main=args[++i];
 100       else if (option.equals("-trueprob")) {
 101         state.TRUEPROB=Double.parseDouble(args[++i]);
 102       } else if (option.equals("-printflat"))
 103         State.PRINTFLAT=true;
 104       else if (option.equals("-printscheduling"))
 105         State.PRINTSCHEDULING=true;
 106       else if (option.equals("-minimize"))
 107         state.MINIMIZE=true;
 108       else if (option.equals("-printschedulesim"))
 109         State.PRINTSCHEDULESIM=true;
 110       else if (option.equals("-printcriticalpath"))
 111           State.PRINTCRITICALPATH=true;
 112       else if (option.equals("-struct"))
 113         state.structfile=args[++i];
 114       else if (option.equals("-conscheck"))
 115         state.CONSCHECK=true;
 116       else if (option.equals("-task"))
 117         state.TASK=true;
 118       else if (option.equals("-abortreaders"))
 119         state.ABORTREADERS=true;
 120       else if (option.equals("-sandbox"))
 121         state.SANDBOX=true;
 122       else if (option.equals("-taskstate"))
 123         state.TASKSTATE=true;
 124       else if (option.equals("-tagstate"))
 125         state.TAGSTATE=true;
 126       else if (option.equals("-stmarray"))
 127         state.STMARRAY=true;
 128       else if (option.equals("-eventmonitor"))
 129         state.EVENTMONITOR=true;
 130       else if (option.equals("-dualview"))
 131         state.DUALVIEW=true;
 132       else if (option.equals("-hybrid"))
 133         state.HYBRID=true;
 134       else if (option.equals("-flatirtasks")) {
 135         state.FLATIRGRAPH=true;
 136         state.FLATIRGRAPHTASKS=true;
 137       } else if (option.equals("-flatirusermethods")) {
 138         state.FLATIRGRAPH=true;
 139         state.FLATIRGRAPHUSERMETHODS=true;
 140       } else if (option.equals("-flatirlibmethods")) {
 141         state.FLATIRGRAPH=true;
 142         state.FLATIRGRAPHLIBMETHODS=true;
 143       } else if (option.equals("-bamboocompiletime")) {
 144         state.BAMBOOCOMPILETIME = true;
 145       } else if (option.equals("-multicore"))
 146         state.MULTICORE=true;
 147       else if (option.equals("-multicoregc"))
 148         state.MULTICOREGC=true;
 149       else if (option.equals("-ownership"))
 150         state.OWNERSHIP=true;
 151       else if (option.equals("-ownallocdepth")) {
 152         state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
 153       } else if (option.equals("-ownwritedots")) {
 154         state.OWNERSHIPWRITEDOTS=true;
 155         if (args[++i].equals("all")) {
 156           state.OWNERSHIPWRITEALL=true;
 157         }
 158       } else if (option.equals("-ownaliasfile")) {
 159         state.OWNERSHIPALIASFILE=args[++i];
 160       } else if (option.equals("-ownaliasfiletab")) {
 161         state.OWNERSHIPALIASFILE=args[++i];
 162         state.OWNERSHIPALIASTAB=true;
 163       } else if (option.equals("-owndebugcallee")) {
 164         state.OWNERSHIPDEBUGCALLEE=args[++i];
 165       } else if (option.equals("-owndebugcaller")) {
 166         state.OWNERSHIPDEBUGCALLER=args[++i];
 167       } else if (option.equals("-owndebugcallcount")) {
 168         state.OWNERSHIPDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 169       }
 170
 171       else if (option.equals("-disjoint"))
 172         state.DISJOINT=true;
 173
 174       else if (option.equals("-disjoint-k")) {
 175         state.DISJOINTALLOCDEPTH=Integer.parseInt(args[++i]);
 176
 177       } else if (option.equals("-disjoint-write-dots")) {
 178         state.DISJOINTWRITEDOTS = true;
 179         String arg = args[++i];
 180         if( arg.equals("all") ) {
 181           state.DISJOINTWRITEALL = true;
 182         } else if( arg.equals("final") ) {
 183           state.DISJOINTWRITEALL = false;
 184         } else {
 185           throw new Error("disjoint-write-dots requires argument <all/final>");
 186         }
 187
 188       } else if (option.equals("-disjoint-write-ihms")) {
 189         state.DISJOINTWRITEIHMS = true;
 190
 191       } else if (option.equals("-disjoint-alias-file")) {
 192         state.DISJOINTALIASFILE = args[++i];
 193         String arg = args[++i];
 194         if( arg.equals("normal") ) {
 195           state.DISJOINTALIASTAB = false;
 196         } else if( arg.equals("tabbed") ) {
 197           state.DISJOINTALIASTAB = true;
 198         } else {
 199           throw new Error("disjoint-alias-file requires arguments <filename> <normal/tabbed>");
 200         }
 201
 202       } else if (option.equals("-disjoint-debug-callsite")) {
 203         state.DISJOINTDEBUGCALLEE=args[++i];
 204         state.DISJOINTDEBUGCALLER=args[++i];
 205         state.DISJOINTDEBUGCALLCOUNT=Integer.parseInt(args[++i]);
 206
 207       } else if (option.equals("-disjoint-debug-snap-method")) {
 208         state.DISJOINTSNAPSYMBOL=args[++i];
 209         state.DISJOINTSNAPVISITTOSTART=Integer.parseInt(args[++i]);
 210         state.DISJOINTSNAPNUMVISITS=Integer.parseInt(args[++i]);
 211         String arg = args[++i];
 212         if( arg.equals("true") ) {
 213           state.DISJOINTSNAPSTOPAFTER = true;
 214         } else if( arg.equals("false") ) {
 215           state.DISJOINTSNAPSTOPAFTER = false;
 216         } else {
 217           throw new Error("disjoint-debug-snap-method requires arguments <method symbol> <# visit to start> <# visits to snap> <T/F stop after>");
 218         }
 219       }
 220
 221       else if (option.equals("-optional"))
 222         state.OPTIONAL=true;
 223       else if (option.equals("-optimize"))
 224         state.OPTIMIZE=true;
 225       else if (option.equals("-dcopts"))
 226         state.DCOPTS=true;
 227       else if (option.equals("-arraypad"))
 228         state.ARRAYPAD=true;
 229       else if (option.equals("-delaycomp"))
 230         state.DELAYCOMP=true;
 231       else if (option.equals("-raw"))
 232         state.RAW=true;
 233       else if (option.equals("-scheduling"))
 234         state.SCHEDULING=true;
 235       else if (option.equals("-distributioninfo"))
 236         isDistributeInfo=true;
 237       else if (option.equals("-disall"))
 238         isDisAll=true;
 239       else if (option.equals("-disstart"))
 240         startnum = Integer.parseInt(args[++i]);
 241       else if (option.equals("-useprofile")) {
 242         state.USEPROFILE=true;
 243     state.profilename = args[++i];
 244       }
 245       else if (option.equals("-thread"))
 246         state.THREAD=true;
 247       else if (option.equals("-dsm"))
 248         state.DSM=true;
 249       else if (option.equals("-recoverystats"))
 250   state.DSMRECOVERYSTATS=true;
 251       else if (option.equals("-dsmtask"))
 252   state.DSMTASK=true;
 253       else if (option.equals("-singleTM"))
 254         state.SINGLETM=true;
 255       else if (option.equals("-readset"))
 256         state.READSET=true;
 257       else if (option.equals("-webinterface"))
 258         state.WEBINTERFACE=true;
 259       else if (option.equals("-instructionfailures"))
 260         state.INSTRUCTIONFAILURE=true;
 261       else if (option.equals("-abcclose"))
 262         state.ARRAYBOUNDARYCHECK=false;
 263
 264       else if (option.equals("-mlp")) {
 265         state.MLP            = true;
 266         state.OWNERSHIP      = true;
 267         state.MLP_NUMCORES   = Integer.parseInt( args[++i] );
 268         state.MLP_MAXSESEAGE = Integer.parseInt( args[++i] );
 269
 270       } else if (option.equals("-mlpdebug")) {
 271         state.MLPDEBUG=true;
 272
 273       } else if (option.equals("-methodeffects")) {
 274         state.METHODEFFECTS=true;
 275       }else if (option.equals("-help")) {
 276         System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
 277         System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
 278         System.out.println("-dir outputdirectory -- output code in outputdirectory");
 279         System.out.println("-struct structfile -- output structure declarations for repair tool");
 280         System.out.println("-mainclass -- main function to call");
 281         System.out.println("-dsm -- distributed shared memory support");
 282         System.out.println("-singleTM -- single machine committing transactions");
 283         System.out.println("-abortreaders -- abort readers");
 284         System.out.println("-precise -- use precise garbage collection");
 285         System.out.println("-conscheck -- turn on consistency checking");
 286         System.out.println("-task -- compiler for tasks");
 287         System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
 288         System.out.println("-thread -- threads");
 289         System.out.println("-trueprob <d> -- probability of true branch");
 290         System.out.println("-printflat -- print out flat representation");
 291         System.out.println("-instructionfailures -- insert code for instruction level failures");
 292         System.out.println("-taskstate -- do task state analysis");
 293         System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
 294         System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
 295         System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
 296         System.out.println("  note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
 297         System.out.println("-ownership -- do ownership analysis");
 298         System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
 299         System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
 300         System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
 301         System.out.println("-optimize -- enable optimizations");
 302         System.out.println("-optional -- enable optional arguments");
 303         System.out.println("-abcclose close the array boundary check");
 304         System.out.println("-scheduling do task scheduling");
 305         System.out.println("-mlp <num cores> <max sese age> build mlp code");
 306         System.out.println("-mlpdebug if mlp, report progress and interim results");
 307         System.out.println("-multicore generate multi-core version binary");
 308         System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
 309         System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
 310         System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
 311         System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
 312         System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
 313         System.out.println("-threadsimulate generate multi-thread simulate version binary");
 314         System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
 315         System.out.println("-printscheduling -- print out scheduling graphs");
 316         System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
 317         System.out.println("-webinterface -- enable web interface");
 318         System.out.println("-help -- print out help");
 319         System.exit(0);
 320       } else {
 321         sourcefiles.add(args[i]);
 322       }
 323     }
 324
 325     //add default classpath
 326     if (state.classpath.size()==1)
 327       state.classpath.add(ClassLibraryPrefix);
 328
 329     BuildIR bir=new BuildIR(state);
 330     TypeUtil tu=new TypeUtil(state, bir);
 331
 332
 333     SemanticCheck sc=new SemanticCheck(state,tu);
 334
 335     for(int i=0;i<sourcefiles.size();i++)
 336       loadClass(state, bir,(String)sourcefiles.get(i));
 337
 338     //Stuff the runtime wants to see
 339     sc.getClass("String");
 340     sc.getClass("Math");
 341     sc.getClass("File");
 342     sc.getClass("Socket");
 343     sc.getClass("ServerSocket");
 344     sc.getClass("FileInputStream");
 345     sc.getClass("FileOutputStream");
 346     if (state.TASK) {
 347       sc.getClass("TagDescriptor");
 348     }
 349     if (state.THREAD||state.DSM||state.SINGLETM) {
 350       sc.getClass("Thread");
 351     }
 352
 353     sc.semanticCheck();
 354
 355     tu.createFullTable();
 356
 357     BuildFlat bf=new BuildFlat(state,tu);
 358     bf.buildFlat();
 359     SafetyAnalysis sa=null;
 360     PrefetchAnalysis pa=null;
 361     MLPAnalysis mlpa=null;
 362     if (state.INLINEATOMIC) {
 363       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 364       while(classit.hasNext()) {
 365         ClassDescriptor cn=(ClassDescriptor)classit.next();
 366         Iterator methodit=cn.getMethods();
 367         while(methodit.hasNext()) {
 368           // do inlining
 369           MethodDescriptor md=(MethodDescriptor)methodit.next();
 370           FlatMethod fm=state.getMethodFlat(md);
 371           Inliner.inlineAtomic(state, tu, fm, state.inlineatomicdepth);
 372         }
 373       }
 374     }
 375
 376
 377     if (state.OPTIMIZE) {
 378       CallGraph callgraph=new CallGraph(state);
 379       CopyPropagation cp=new CopyPropagation();
 380       DeadCode dc=new DeadCode();
 381       GlobalFieldType gft=new GlobalFieldType(callgraph, state, tu.getMain());
 382       CSE cse=new CSE(gft, tu);
 383       localCSE lcse=new localCSE(gft, tu);
 384       LoopOptimize lo=new LoopOptimize(gft, tu);
 385       Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
 386       while(classit.hasNext()) {
 387         ClassDescriptor cn=(ClassDescriptor)classit.next();
 388         Iterator methodit=cn.getMethods();
 389         while(methodit.hasNext()) {
 390           /* Classify parameters */
 391           MethodDescriptor md=(MethodDescriptor)methodit.next();
 392           FlatMethod fm=state.getMethodFlat(md);
 393           cp.optimize(fm);
 394           dc.optimize(fm);
 395           lo.optimize(fm);
 396           cp.optimize(fm);
 397           dc.optimize(fm);
 398           lcse.doAnalysis(fm);
 399           cse.doAnalysis(fm);
 400           cp.optimize(fm);
 401           dc.optimize(fm);
 402           cp.optimize(fm);
 403           dc.optimize(fm);
 404         }
 405       }
 406     }
 407
 408     if (state.FLATIRGRAPH) {
 409       FlatIRGraph firg = new FlatIRGraph(state,
 410                                          state.FLATIRGRAPHTASKS,
 411                                          state.FLATIRGRAPHUSERMETHODS,
 412                                          state.FLATIRGRAPHLIBMETHODS);
 413     }
 414
 415     if (state.OWNERSHIP && !state.MLP) {
 416       CallGraph callGraph = new CallGraph(state);
 417       Liveness liveness = new Liveness();
 418       ArrayReferencees ar = new ArrayReferencees(state);
 419       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 420                                                    tu,
 421                                                    callGraph,
 422                                                    liveness,
 423                                                    ar,
 424                                                    state.OWNERSHIPALLOCDEPTH,
 425                                                    state.OWNERSHIPWRITEDOTS,
 426                                                    state.OWNERSHIPWRITEALL,
 427                                                    state.OWNERSHIPALIASFILE,
 428                                                    state.METHODEFFECTS);
 429     }
 430
 431     if (state.MLP) {
 432       CallGraph callGraph = new CallGraph(state);
 433       Liveness liveness = new Liveness();
 434       ArrayReferencees ar = new ArrayReferencees(state);
 435       OwnershipAnalysis oa = new OwnershipAnalysis(state,
 436                                                    tu,
 437                                                    callGraph,
 438                                                    liveness,
 439                                                    ar,
 440                                                    state.OWNERSHIPALLOCDEPTH,
 441                                                    state.OWNERSHIPWRITEDOTS,
 442                                                    state.OWNERSHIPWRITEALL,
 443                                                    state.OWNERSHIPALIASFILE,
 444                                                    state.METHODEFFECTS);
 445       mlpa = new MLPAnalysis(state,
 446                              tu,
 447                              callGraph,
 448                              oa);
 449     }
 450
 451     if (state.DISJOINT) {
 452       CallGraph        cg = new CallGraph(state);
 453       Liveness         l  = new Liveness();
 454       ArrayReferencees ar = new ArrayReferencees(state);
 455       DisjointAnalysis oa = new DisjointAnalysis(state, tu, cg, l, ar);
 456     }
 457
 458     if (state.TAGSTATE) {
 459       CallGraph callgraph=new CallGraph(state);
 460       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 461       TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
 462     }
 463
 464     if (state.TASKSTATE) {
 465       CallGraph callgraph=new CallGraph(state);
 466       TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
 467       TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
 468       ta.taskAnalysis();
 469       TaskGraph tg=new TaskGraph(state, ta);
 470       tg.createDOTfiles();
 471
 472       if (state.OPTIONAL) {
 473         ExecutionGraph et=new ExecutionGraph(state, ta);
 474         et.createExecutionGraph();
 475         sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
 476         sa.doAnalysis();
 477         state.storeAnalysisResult(sa.getResult());
 478         state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
 479       }
 480
 481       if (state.WEBINTERFACE) {
 482         GarbageAnalysis ga=new GarbageAnalysis(state, ta);
 483         WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
 484         JhttpServer serve=new JhttpServer(8000,wi);
 485         serve.run();
 486       }
 487
 488       if (state.SCHEDULING) {
 489         // Use ownership analysis to get alias information
 490         CallGraph callGraph = new CallGraph(state);
 491         Liveness liveness = new Liveness();
 492         ArrayReferencees ar = new ArrayReferencees(state);
 493         OwnershipAnalysis oa = new OwnershipAnalysis(state,
 494                                                      tu,
 495                                                      callGraph,
 496                                                      liveness,
 497                                                      ar,
 498                                                      state.OWNERSHIPALLOCDEPTH,
 499                                                      state.OWNERSHIPWRITEDOTS,
 500                                                      state.OWNERSHIPWRITEALL,
 501                                                      state.OWNERSHIPALIASFILE);
 502
 503         // synthesis a layout according to target multicore processor
 504         MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
 505                                                               ta,
 506                                                               oa);
 507         if(isDistributeInfo) {
 508             mcImplSynthesis.distribution(isDisAll, startnum);
 509         } else {
 510             double timeStartAnalysis = (double) System.nanoTime();
 511             mcImplSynthesis.setScheduleThreshold(20);
 512             mcImplSynthesis.setProbThreshold(0);
 513             mcImplSynthesis.setGenerateThreshold(30);
 514             Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
 515
 516             double timeEndAnalysis = (double) System.nanoTime();
 517         if(state.BAMBOOCOMPILETIME) {
 518           double dt = (timeEndAnalysis - timeStartAnalysis)/(Math.pow( 10.0, 9.0 ) );
 519           System.err.println("The analysis took" + dt +  "sec.");
 520           System.exit(0);
 521         }
 522
 523             // generate multicore codes
 524             if(state.MULTICORE) {
 525                 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
 526                                                               bf.getMap(),
 527                                                               tu,
 528                                                               sa,
 529                                                               scheduling,
 530                                                               mcImplSynthesis.getCoreNum(),
 531                                                   state.CORENUM4GC,
 532                                                               pa);
 533                 bcm.setOwnershipAnalysis(oa);
 534                 bcm.buildCode();
 535             }
 536             scheduling.clear();
 537             scheduling = null;
 538         }
 539       }
 540     }
 541     if(!state.MULTICORE) {
 542       if (state.DSM||state.SINGLETM) {
 543         CallGraph callgraph=new CallGraph(state);
 544         if (state.PREFETCH) {
 545           //speed up prefetch generation using locality analysis results
 546           LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 547           pa=new PrefetchAnalysis(state, callgraph, tu, la);
 548         }
 549         LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
 550         GenerateConversions gc=new GenerateConversions(la, state);
 551         BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa, mlpa);
 552         bc.buildCode();
 553       } else {
 554         BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa, mlpa);
 555         bc.buildCode();
 556       }
 557     }
 558
 559     System.out.println("Lines="+state.lines);
 560     System.exit(0);
 561   }
 562
 563   public static void loadClass(State state, BuildIR bir, String sourcefile) {
 564     try {
 565       ParseNode pn=readSourceFile(state, sourcefile);
 566       bir.buildtree(pn, null);
 567     } catch (Exception e) {
 568       System.out.println("Error in sourcefile:"+sourcefile);
 569       e.printStackTrace();
 570       System.exit(-1);
 571     } catch (Error e) {
 572       System.out.println("Error in sourcefile:"+sourcefile);
 573       e.printStackTrace();
 574       System.exit(-1);
 575     }
 576   }
 577
 578   /** Reads in a source file and adds the parse tree to the state object. */
 579
 580   public static ParseNode readSourceFile(State state, String sourcefile) {
 581     try {
 582       Reader fr= new BufferedReader(new FileReader(sourcefile));
 583       Lex.Lexer l = new Lex.Lexer(fr);
 584       java_cup.runtime.lr_parser g;
 585       g = new Parse.Parser(l);
 586       ParseNode p=null;
 587       try {
 588         p=(ParseNode) g./*debug_*/parse().value;
 589       } catch (Exception e) {
 590         System.err.println("Error parsing file:"+sourcefile);
 591         e.printStackTrace();
 592         System.exit(-1);
 593       }
 594       state.addParseNode(p);
 595       if (l.numErrors()!=0) {
 596         System.out.println("Error parsing "+sourcefile);
 597         System.exit(l.numErrors());
 598       }
 599       state.lines+=l.line_num;
 600       return p;
 601
 602     } catch (Exception e) {
 603       throw new Error(e);
 604     }
 605   }
 606 }