src/share/vm/opto/idealGraphPrinter.cpp
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src/share/vm/opto/idealGraphPrinter.cpp

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  83   return compiler_thread->ideal_graph_printer();
  84 }
  85 
  86 void IdealGraphPrinter::clean_up() {
  87   JavaThread *p;
  88   for (p = Threads::first(); p; p = p->next()) {
  89     if (p->is_Compiler_thread()) {
  90       CompilerThread *c = (CompilerThread *)p;
  91       IdealGraphPrinter *printer = c->ideal_graph_printer();
  92       if (printer) {
  93         delete printer;
  94       }
  95       c->set_ideal_graph_printer(NULL);
  96     }
  97   }
  98 }
  99 
 100 // Constructor, either file or network output
 101 IdealGraphPrinter::IdealGraphPrinter() {
 102 
 103   _traverse_outs = false;




 104   _should_send_method = true;
 105   _output = NULL;
 106   buffer[0] = 0;
 107   _depth = 0;
 108   _current_method = NULL;
 109   assert(!_current_method, "current method must be initialized to NULL");
 110   _arena = new Arena();
 111 
 112   _stream = new (ResourceObj::C_HEAP) networkStream();
 113 
 114   if (PrintIdealGraphFile != NULL) {
 115     ThreadCritical tc;
 116     // User wants all output to go to files
 117     if (_file_count != 0) {
 118       ResourceMark rm;
 119       stringStream st;
 120       const char* dot = strrchr(PrintIdealGraphFile, '.');
 121       if (dot) {
 122         st.write(PrintIdealGraphFile, dot - PrintIdealGraphFile);
 123         st.print("%d%s", _file_count, dot);
 124       } else {
 125         st.print("%s%d", PrintIdealGraphFile, _file_count);
 126       }
 127       _output = new (ResourceObj::C_HEAP) fileStream(st.as_string());

 128     } else {
 129       _output = new (ResourceObj::C_HEAP) fileStream(PrintIdealGraphFile);

 130     }
 131     _file_count++;
 132   } else {


 133     // Try to connect to visualizer
 134     if (_stream->connect(PrintIdealGraphAddress, PrintIdealGraphPort)) {
 135       char c = 0;
 136       _stream->read(&c, 1);
 137       if (c != 'y') {
 138         tty->print_cr("Client available, but does not want to receive data!");
 139         _stream->close();
 140         delete _stream;
 141         _stream = NULL;
 142         return;
 143       }
 144       _output = _stream;
 145     } else {
 146       // It would be nice if we could shut down cleanly but it should
 147       // be an error if we can't connect to the visualizer.
 148       fatal2("Couldn't connect to visualizer at %s:%d", PrintIdealGraphAddress, PrintIdealGraphPort);
 149     }
 150   }
 151 
 152   start_element(TOP_ELEMENT);


 153 }
 154 
 155 // Destructor, close file or network stream
 156 IdealGraphPrinter::~IdealGraphPrinter() {
 157 
 158   end_element(TOP_ELEMENT);
 159 









 160   if (_stream) {
 161     delete _stream;
 162     if (_stream == _output) {
 163       _output = NULL;
 164     }
 165     _stream = NULL;
 166   }
 167 
 168   if (_output) {
 169     delete _output;
 170     _output = NULL;
 171   }
 172 }
 173 
 174 void IdealGraphPrinter::print_ifg(PhaseIFG* ifg) {
 175 
 176   // Code to print an interference graph to tty, currently not used


 177 
 178   /*
 179   if (!_current_method) return;
 180    // Remove neighbor colors
 181 
 182   for (uint i = 0; i < ifg._maxlrg; i++) {


 183 
 184     IndexSet *s = ifg.neighbors(i);
 185     IndexSetIterator elements(s);
 186     uint neighbor;
 187     while ((neighbor = elements.next()) != 0) {
 188         tty->print_cr("Edge between %d and %d\n", i, neighbor);
 189     }
 190   }
 191 





 192 
 193   for (uint i = 0; i < ifg._maxlrg; i++) {
 194     LRG &l = ifg.lrgs(i);
 195     if (l._def) {
 196       OptoReg::Name name = l.reg();
 197       tty->print("OptoReg::dump: ");
 198       OptoReg::dump(name);
 199       tty->print_cr("");
 200       tty->print_cr("name=%d\n", name);
 201       if (name) {
 202         if (OptoReg::is_stack(name)) {
 203           tty->print_cr("Stack number %d\n", OptoReg::reg2stack(name));
 204 
 205         } else if (!OptoReg::is_valid(name)) {
 206           tty->print_cr("BAD!!!");
 207         } else {
 208 
 209           if (OptoReg::is_reg(name)) {
 210           tty->print_cr(OptoReg::regname(name));
 211           } else {
 212             int x = 0;
 213           }
 214         }
 215         int x = 0;
 216       }
 217 
 218       if (l._def == NodeSentinel) {
 219         tty->print("multiple mapping from %d: ", i);
 220         for (int j=0; j<l._defs->length(); j++) {
 221           tty->print("%d ", l._defs->at(j)->_idx);
 222         }
 223         tty->print_cr("");
 224       } else {
 225         tty->print_cr("mapping between %d and %d\n", i, l._def->_idx);
 226       }
 227     }
 228   }*/
 229 }
 230 















 231 void IdealGraphPrinter::print_method(ciMethod *method, int bci, InlineTree *tree) {

 232 
 233   Properties properties;
 234   stringStream str;
 235   method->print_name(&str);
 236 
 237   stringStream shortStr;
 238   method->print_short_name(&shortStr);
 239 



 240 
 241   properties.add(new Property(METHOD_NAME_PROPERTY, str.as_string()));
 242   properties.add(new Property(METHOD_SHORT_NAME_PROPERTY, shortStr.as_string()));
 243   properties.add(new Property(METHOD_BCI_PROPERTY, bci));
 244   start_element(METHOD_ELEMENT, &properties);
 245 
 246   start_element(BYTECODES_ELEMENT);
 247   output()->print_cr("<![CDATA[");
 248   method->print_codes_on(output());
 249   output()->print_cr("]]>");
 250   end_element(BYTECODES_ELEMENT);
 251 
 252   start_element(INLINE_ELEMENT);
 253   if (tree != NULL) {
 254     GrowableArray<InlineTree *> subtrees = tree->subtrees();
 255     for (int i = 0; i < subtrees.length(); i++) {
 256       print_inline_tree(subtrees.at(i));
 257     }
 258   }
 259   end_element(INLINE_ELEMENT);
 260 
 261   end_element(METHOD_ELEMENT);
 262   output()->flush();
 263 }
 264 
 265 void IdealGraphPrinter::print_inline_tree(InlineTree *tree) {
 266 
 267   if (tree == NULL) return;
 268 
 269   ciMethod *method = tree->method();
 270   print_method(tree->method(), tree->caller_bci(), tree);
 271 
 272 }
 273 
 274 void IdealGraphPrinter::clear_nodes() {
 275  // for (int i = 0; i < _nodes.length(); i++) {
 276  //   _nodes.at(i)->clear_node();
 277  // }
 278 }
 279 
 280 void IdealGraphPrinter::print_inlining(Compile* compile) {
 281 
 282   // Print inline tree
 283   if (_should_send_method) {
 284     InlineTree *inlineTree = compile->ilt();
 285     if (inlineTree != NULL) {
 286       print_inline_tree(inlineTree);
 287     } else {
 288       // print this method only
 289     }
 290   }
 291 }
 292 
 293 // Has to be called whenever a method is compiled
 294 void IdealGraphPrinter::begin_method(Compile* compile) {
 295 
 296   ciMethod *method = compile->method();
 297   assert(_output, "output stream must exist!");
 298   assert(method, "null methods are not allowed!");
 299   assert(!_current_method, "current method must be null!");
 300 
 301   _arena->destruct_contents();
 302 
 303   start_element(GROUP_ELEMENT);
 304 
 305   // Print properties
 306   Properties properties;
 307 
 308   // Add method name
 309   stringStream strStream;
 310   method->print_name(&strStream);
 311   properties.add(new Property(METHOD_NAME_PROPERTY, strStream.as_string()));
 312 
 313   if (method->flags().is_public()) {
 314     properties.add(new Property(METHOD_IS_PUBLIC_PROPERTY, TRUE_VALUE));
 315   }
 316 
 317   if (method->flags().is_static()) {
 318     properties.add(new Property(METHOD_IS_STATIC_PROPERTY, TRUE_VALUE));
 319   }
 320 
 321   properties.print(this);
 322 
 323   if (_stream) {
 324     char answer = 0;
 325     _stream->flush();
 326     int result = _stream->read(&answer, 1);
 327     _should_send_method = (answer == 'y');
 328   }
 329 
 330   this->_nodes = GrowableArray<NodeDescription *>(_arena, 2, 0, NULL);
 331   this->_edges = GrowableArray< EdgeDescription * >(_arena, 2, 0, NULL);
 332 
 333 
 334   this->_current_method = method;
 335 
 336 
 337 
 338   _output->flush();
 339 }
 340 
 341 // Has to be called whenever a method has finished compilation
 342 void IdealGraphPrinter::end_method() {
 343 
 344 //  if (finish && !in_method) return;
 345 
 346   nmethod* method = (nmethod*)this->_current_method->code();
 347 
 348   start_element(ASSEMBLY_ELEMENT);
 349  // Disassembler::decode(method, _output);
 350   end_element(ASSEMBLY_ELEMENT);
 351 
 352 
 353   end_element(GROUP_ELEMENT);
 354   _current_method = NULL;
 355   _output->flush();
 356   for (int i = 0; i < _nodes.length(); i++) {
 357     NodeDescription *desc = _nodes.at(i);
 358     if (desc) {
 359       delete desc;
 360       _nodes.at_put(i, NULL);
 361     }
 362   }
 363   this->_nodes.clear();
 364 
 365 
 366   for (int i = 0; i < _edges.length(); i++) {
 367    // for (int j=0; j<_edges.at(i)->length(); j++) {
 368       EdgeDescription *conn = _edges.at(i);
 369       conn->print(this);
 370       if (conn) {
 371         delete conn;
 372         _edges.at_put(i, NULL);
 373       }
 374     //}
 375     //_edges.at(i)->clear();
 376     //delete _edges.at(i);
 377     //_edges.at_put(i, NULL);
 378   }
 379   this->_edges.clear();
 380 
 381 //  in_method = false;
 382 }
 383 
 384 // Outputs an XML start element
 385 void IdealGraphPrinter::start_element(const char *s, Properties *properties /* = NULL */, bool print_indent /* = false */, bool print_return /* = true */) {
 386 
 387   start_element_helper(s, properties, false, print_indent, print_return);
 388   _depth++;
 389 
 390 }
 391 
 392 // Outputs an XML start element without body
 393 void IdealGraphPrinter::simple_element(const char *s, Properties *properties /* = NULL */, bool print_indent /* = false */) {
 394   start_element_helper(s, properties, true, print_indent, true);
 395 }
 396 
 397 // Outputs an XML start element. If outputEnd is true, the element has no body.
 398 void IdealGraphPrinter::start_element_helper(const char *s, Properties *properties, bool outputEnd, bool print_indent /* = false */, bool print_return /* = true */) {
 399 
 400   assert(_output, "output stream must exist!");
 401 
 402   if (print_indent) this->print_indent();
 403   _output->print("<");
 404   _output->print(s);
 405   if (properties) properties->print_as_attributes(this);
 406 
 407   if (outputEnd) {
 408     _output->print("/");
 409   }
 410 
 411   _output->print(">");
 412   if (print_return) _output->print_cr("");
 413 
 414 }
 415 
 416 // Print indent
 417 void IdealGraphPrinter::print_indent() {

 418   for (int i = 0; i < _depth; i++) {
 419     _output->print(INDENT);
 420   }
 421 }
 422 
 423 // Outputs an XML end element
 424 void IdealGraphPrinter::end_element(const char *s, bool print_indent /* = true */, bool print_return /* = true */) {
 425 
 426   assert(_output, "output stream must exist!");
 427 
 428   _depth--;
 429 
 430   if (print_indent) this->print_indent();
 431   _output->print("</");
 432   _output->print(s);
 433   _output->print(">");
 434   if (print_return) _output->print_cr("");
 435 
 436 }
 437 
 438 bool IdealGraphPrinter::traverse_outs() {
 439   return _traverse_outs;
 440 }
 441 
 442 void IdealGraphPrinter::set_traverse_outs(bool b) {
 443   _traverse_outs = b;
 444 }
 445 
 446 void IdealGraphPrinter::walk(Node *start) {


 447 

 448 
 449   VectorSet visited(Thread::current()->resource_area());
 450   GrowableArray<Node *> nodeStack(Thread::current()->resource_area(), 0, 0, NULL);
 451   nodeStack.push(start);
 452   visited.test_set(start->_idx);
 453   while(nodeStack.length() > 0) {
 454 
 455     Node *n = nodeStack.pop();
 456     IdealGraphPrinter::pre_node(n, this);
 457 
 458     if (_traverse_outs) {
 459       for (DUIterator i = n->outs(); n->has_out(i); i++) {
 460         Node* p = n->out(i);
 461         if (!visited.test_set(p->_idx)) {
 462           nodeStack.push(p);
 463         }
 464       }
 465     }
 466 
 467     for ( uint i = 0; i < n->len(); i++ ) {
 468       if ( n->in(i) ) {
 469         if (!visited.test_set(n->in(i)->_idx)) {
 470           nodeStack.push(n->in(i));





 471         }
 472       }
 473     }
 474   }
 475 }
 476 
 477 void IdealGraphPrinter::compress(int index, GrowableArray<Block>* blocks) {
 478   Block *block = blocks->adr_at(index);
 479 
 480   int ancestor = block->ancestor();
 481   assert(ancestor != -1, "");
 482 
 483   Block *ancestor_block = blocks->adr_at(ancestor);
 484   if (ancestor_block->ancestor() != -1) {
 485     compress(ancestor, blocks);
 486 
 487     int label = block->label();
 488     Block *label_block = blocks->adr_at(label);
 489 
 490     int ancestor_label = ancestor_block->label();
 491     Block *ancestor_label_block = blocks->adr_at(label);
 492     if (ancestor_label_block->semi() < label_block->semi()) {
 493       block->set_label(ancestor_label);
 494     }
 495 
 496     block->set_ancestor(ancestor_block->ancestor());
 497   }
 498 }
 499 
 500 int IdealGraphPrinter::eval(int index, GrowableArray<Block>* blocks) {
 501   Block *block = blocks->adr_at(index);
 502   if (block->ancestor() == -1) {
 503     return index;
 504   } else {
 505     compress(index, blocks);
 506     return block->label();
 507   }
 508 }
 509 
 510 void IdealGraphPrinter::link(int index1, int index2, GrowableArray<Block>* blocks) {
 511   Block *block2 = blocks->adr_at(index2);
 512   block2->set_ancestor(index1);
 513 }
 514 
 515 void IdealGraphPrinter::build_dominators(GrowableArray<Block>* blocks) {
 516 
 517   if (blocks->length() == 0) return;
 518 
 519   GrowableArray<int> stack;
 520   stack.append(0);
 521 
 522   GrowableArray<Block *> array;
 523 
 524   assert(blocks->length() > 0, "");
 525   blocks->adr_at(0)->set_dominator(0);
 526 
 527   int n = 0;
 528   while(!stack.is_empty()) {
 529     int index = stack.pop();
 530     Block *block = blocks->adr_at(index);
 531     block->set_semi(n);
 532     array.append(block);
 533     n = n + 1;
 534     for (int i = 0; i < block->succs()->length(); i++) {
 535       int succ_index = block->succs()->at(i);
 536       Block *succ = blocks->adr_at(succ_index);
 537       if (succ->semi() == -1) {
 538         succ->set_parent(index);
 539         stack.push(succ_index);
 540       }
 541       succ->add_pred(index);
 542     }
 543   }
 544 
 545   for (int i=n-1; i>0; i--) {
 546     Block *block = array.at(i);
 547     int block_index = block->index();
 548     for (int j=0; j<block->pred()->length(); j++) {
 549       int pred_index = block->pred()->at(j);
 550       int cur_index = eval(pred_index, blocks);
 551 
 552       Block *cur_block = blocks->adr_at(cur_index);
 553       if (cur_block->semi() < block->semi()) {
 554         block->set_semi(cur_block->semi());
 555       }
 556     }
 557 
 558     int semi_index = block->semi();
 559     Block *semi_block = array.at(semi_index);
 560     semi_block->add_to_bucket(block_index);
 561 
 562     link(block->parent(), block_index, blocks);
 563     Block *parent_block = blocks->adr_at(block->parent());
 564 
 565     for (int j=0; j<parent_block->bucket()->length(); j++) {
 566       int cur_index = parent_block->bucket()->at(j);
 567       int new_index = eval(cur_index, blocks);
 568       Block *cur_block = blocks->adr_at(cur_index);
 569       Block *new_block = blocks->adr_at(new_index);
 570       int dom = block->parent();
 571 
 572       if (new_block->semi() < cur_block->semi()) {
 573         dom = new_index;
 574       }
 575 
 576       cur_block->set_dominator(dom);
 577     }
 578 
 579     parent_block->clear_bucket();
 580   }
 581 
 582   for (int i=1; i < n; i++) {
 583 
 584     Block *block = array.at(i);
 585     int block_index = block->index();
 586 
 587     int semi_index = block->semi();
 588     Block *semi_block = array.at(semi_index);
 589 
 590     if (block->dominator() != semi_block->index()) {
 591       int new_dom = blocks->adr_at(block->dominator())->dominator();
 592       block->set_dominator(new_dom);
 593     }
 594   }
 595 
 596   for (int i = 0; i < blocks->length(); i++) {
 597     if (blocks->adr_at(i)->dominator() == -1) {
 598       blocks->adr_at(i)->set_dominator(0);
 599     }
 600   }
 601 
 602   // Build dominates array
 603   for (int i=1; i < blocks->length(); i++) {
 604     Block *block = blocks->adr_at(i);
 605     int dominator = block->dominator();
 606     Block *dom_block = blocks->adr_at(dominator);
 607     dom_block->add_dominates(i);
 608     dom_block->add_child(i);
 609 
 610     while(dominator != 0) {
 611       dominator = dom_block->dominator();
 612       dom_block = blocks->adr_at(dominator);
 613       dom_block->add_child(i);
 614     }
 615   }
 616 }
 617 
 618 void IdealGraphPrinter::build_common_dominator(int **common_dominator, int index, GrowableArray<Block>* blocks) {
 619 
 620   common_dominator[index][index] = index;
 621   Block *block = blocks->adr_at(index);
 622   for (int i = 0; i < block->dominates()->length(); i++) {
 623     Block *dominated = blocks->adr_at(block->dominates()->at(i));
 624 
 625     for (int j=0; j<dominated->children()->length(); j++) {
 626       Block *child = blocks->adr_at(dominated->children()->at(j));
 627       common_dominator[index][child->index()] = common_dominator[child->index()][index] = index;
 628 
 629       for (int k=0; k<i; k++) {
 630         Block *other_dominated = blocks->adr_at(block->dominates()->at(k));
 631         common_dominator[child->index()][other_dominated->index()] = common_dominator[other_dominated->index()][child->index()] = index;
 632 
 633         for (int l=0 ; l<other_dominated->children()->length(); l++) {
 634           Block *other_child = blocks->adr_at(other_dominated->children()->at(l));
 635           common_dominator[child->index()][other_child->index()] = common_dominator[other_child->index()][child->index()] = index;
 636         }
 637       }
 638     }
 639 
 640     build_common_dominator(common_dominator, dominated->index(), blocks);
 641   }
 642 }
 643 
 644 void IdealGraphPrinter::schedule_latest(int **common_dominator, GrowableArray<Block>* blocks) {
 645 
 646   int queue_size = _nodes.length() + 1;
 647   NodeDescription **queue = NEW_RESOURCE_ARRAY(NodeDescription *, queue_size);
 648   int queue_start = 0;
 649   int queue_end = 0;
 650   Arena *a = new Arena();
 651   VectorSet on_queue(a);
 652 
 653   for (int i = 0; i < _nodes.length(); i++) {
 654     NodeDescription *desc = _nodes.at(i);
 655     if (desc) {
 656       desc->init_succs();
 657     }
 658   }
 659 
 660   for (int i = 0; i < _nodes.length(); i++) {
 661     NodeDescription *desc = _nodes.at(i);
 662     if (desc) {
 663       for (uint j=0; j<desc->node()->len(); j++) {
 664         Node *n = desc->node()->in(j);
 665         if (n) {
 666           NodeDescription *other_desc = _nodes.at(n->_idx);
 667           other_desc->add_succ(desc);
 668         }
 669       }
 670     }
 671   }
 672 
 673   for (int i = 0; i < _nodes.length(); i++) {
 674     NodeDescription *desc = _nodes.at(i);
 675     if (desc && desc->block_index() == -1) {
 676 
 677       // Put Phi into same block as region
 678       if (desc->node()->is_Phi() && desc->node()->in(0) && _nodes.at(desc->node()->in(0)->_idx)->block_index() != -1) {
 679         int index = _nodes.at(desc->node()->in(0)->_idx)->block_index();
 680         desc->set_block_index(index);
 681         blocks->adr_at(index)->add_node(desc);
 682 
 683       // Put Projections to same block as parent
 684       } else if (desc->node()->is_block_proj() && _nodes.at(desc->node()->is_block_proj()->_idx)->block_index() != -1) {
 685         int index = _nodes.at(desc->node()->is_block_proj()->_idx)->block_index();
 686         desc->set_block_index(index);
 687         blocks->adr_at(index)->add_node(desc);
 688       } else {
 689         queue[queue_end] = desc;
 690         queue_end++;
 691         on_queue.set(desc->node()->_idx);
 692       }
 693     }
 694   }
 695 
 696 
 697   int z = 0;
 698   while(queue_start != queue_end && z < 10000) {
 699 
 700     NodeDescription *desc = queue[queue_start];
 701     queue_start = (queue_start + 1) % queue_size;
 702     on_queue >>= desc->node()->_idx;
 703 
 704     Node* node = desc->node();
 705 
 706     if (desc->succs()->length() == 0) {
 707       int x = 0;
 708     }
 709 
 710     int block_index = -1;
 711     if (desc->succs()->length() != 0) {
 712       for (int i = 0; i < desc->succs()->length(); i++) {
 713           NodeDescription *cur_desc = desc->succs()->at(i);
 714           if (cur_desc != desc) {
 715             if (cur_desc->succs()->length() == 0) {
 716 
 717               // Ignore nodes with 0 successors
 718 
 719             } else if (cur_desc->block_index() == -1) {
 720 
 721               // Let this node schedule first
 722               block_index = -1;
 723               break;
 724 
 725             } else if (cur_desc->node()->is_Phi()){
 726 
 727               // Special treatment for Phi functions
 728               PhiNode *phi = cur_desc->node()->as_Phi();
 729               assert(phi->in(0) && phi->in(0)->is_Region(), "Must have region node in first input");
 730               RegionNode *region = phi->in(0)->as_Region();
 731 
 732               for (uint j=1; j<phi->len(); j++) {
 733                 Node *cur_phi_input = phi->in(j);
 734                 if (cur_phi_input == desc->node() && region->in(j)) {
 735                   NodeDescription *cur_region_input = _nodes.at(region->in(j)->_idx);
 736                   if (cur_region_input->block_index() == -1) {
 737 
 738                     // Let this node schedule first
 739                     block_index = -1;
 740                     break;
 741                   } else {
 742                     if (block_index == -1) {
 743                       block_index = cur_region_input->block_index();
 744                     } else {
 745                       block_index = common_dominator[block_index][cur_region_input->block_index()];
 746                     }
 747                   }
 748                 }
 749               }
 750 
 751             } else {
 752               if (block_index == -1) {
 753                 block_index = cur_desc->block_index();
 754               } else {
 755                 block_index = common_dominator[block_index][cur_desc->block_index()];
 756               }
 757             }
 758           }
 759       }
 760     }
 761 
 762     if (block_index == -1) {
 763       queue[queue_end] = desc;
 764       queue_end = (queue_end + 1) % queue_size;
 765       on_queue.set(desc->node()->_idx);
 766       z++;
 767     } else {
 768       assert(desc->block_index() == -1, "");
 769       desc->set_block_index(block_index);
 770       blocks->adr_at(block_index)->add_node(desc);
 771       z = 0;
 772     }
 773   }
 774 
 775   for (int i = 0; i < _nodes.length(); i++) {
 776     NodeDescription *desc = _nodes.at(i);
 777     if (desc && desc->block_index() == -1) {
 778 
 779       //if (desc->node()->is_Proj() || desc->node()->is_Con()) {
 780         Node *parent = desc->node()->in(0);
 781         uint cur = 1;
 782         while(!parent && cur < desc->node()->len()) {
 783           parent = desc->node()->in(cur);
 784           cur++;
 785         }
 786 
 787         if (parent && _nodes.at(parent->_idx)->block_index() != -1) {
 788           int index = _nodes.at(parent->_idx)->block_index();
 789           desc->set_block_index(index);
 790           blocks->adr_at(index)->add_node(desc);
 791         } else {
 792           desc->set_block_index(0);
 793           blocks->adr_at(0)->add_node(desc);
 794           //ShouldNotReachHere();
 795         }
 796       //}
 797       /*
 798       if (desc->node()->is_block_proj() && _nodes.at(desc->node()->is_block_proj()->_idx)->block_index() != -1) {
 799         int index = _nodes.at(desc->node()->is_block_proj()->_idx)->block_index();
 800         desc->set_block_index(index);
 801         blocks->adr_at(index)->add_node(desc);
 802       } */
 803     }
 804   }
 805 
 806   for (int i = 0; i < _nodes.length(); i++) {
 807     NodeDescription *desc = _nodes.at(i);
 808     if (desc) {
 809       desc->clear_succs();
 810     }
 811   }
 812 
 813   for (int i = 0; i < _nodes.length(); i++) {
 814     NodeDescription *desc = _nodes.at(i);
 815     if (desc) {
 816       int block_index = desc->block_index();
 817 
 818       assert(block_index >= 0 && block_index < blocks->length(), "Block index must be in range");
 819       assert(blocks->adr_at(block_index)->nodes()->contains(desc), "Node must be child of block");
 820     }
 821   }
 822   a->destruct_contents();
 823 }
 824 
 825 void IdealGraphPrinter::build_blocks(Node *root) {
 826 
 827   Arena *a = new Arena();
 828   Node_Stack stack(a, 100);
 829 
 830   VectorSet visited(a);
 831   stack.push(root, 0);
 832   GrowableArray<Block> blocks(a, 2, 0, Block(0));
 833 
 834   for (int i = 0; i < _nodes.length(); i++) {
 835     if (_nodes.at(i)) _nodes.at(i)->set_block_index(-1);
 836   }
 837 
 838 
 839   // Order nodes such that node index is equal to idx
 840   for (int i = 0; i < _nodes.length(); i++) {
 841 
 842     if (_nodes.at(i)) {
 843       NodeDescription *node = _nodes.at(i);
 844       int index = node->node()->_idx;
 845       if (index != i) {
 846         _nodes.at_grow(index);
 847         NodeDescription *tmp = _nodes.at(index);
 848         *(_nodes.adr_at(index)) = node;
 849         *(_nodes.adr_at(i)) = tmp;
 850         i--;
 851       }
 852     }
 853   }
 854 
 855   for (int i = 0; i < _nodes.length(); i++) {
 856     NodeDescription *node = _nodes.at(i);
 857     if (node) {
 858       assert(node->node()->_idx == (uint)i, "");
 859     }
 860   }
 861 
 862   while(stack.is_nonempty()) {
 863 
 864     //Node *n = stack.node();
 865     //int index = stack.index();
 866     Node *proj = stack.node();//n->in(index);
 867     const Node *parent = proj->is_block_proj();
 868     if (parent == NULL) {
 869       parent = proj;
 870     }
 871 
 872     if (!visited.test_set(parent->_idx)) {
 873 
 874       NodeDescription *end_desc = _nodes.at(parent->_idx);
 875       int block_index = blocks.length();
 876       Block block(block_index);
 877       blocks.append(block);
 878       Block *b = blocks.adr_at(block_index);
 879       b->set_start(end_desc);
 880      // assert(end_desc->block_index() == -1, "");
 881       end_desc->set_block_index(block_index);
 882       b->add_node(end_desc);
 883 
 884       // Skip any control-pinned middle'in stuff
 885       Node *p = proj;
 886       NodeDescription *start_desc = NULL;
 887       do {
 888         proj = p;                   // Update pointer to last Control
 889         if (p->in(0) == NULL) {
 890           start_desc = end_desc;
 891           break;
 892         }
 893         p = p->in(0);               // Move control forward
 894         start_desc = _nodes.at(p->_idx);
 895         assert(start_desc, "");
 896 
 897         if (start_desc != end_desc && start_desc->block_index() == -1) {
 898           assert(start_desc->block_index() == -1, "");
 899           assert(block_index < blocks.length(), "");
 900           start_desc->set_block_index(block_index);
 901           b->add_node(start_desc);
 902         }
 903      } while( !p->is_block_proj() &&
 904                !p->is_block_start() );
 905 
 906       for (uint i = 0; i < start_desc->node()->len(); i++) {
 907 
 908           Node *pred_node = start_desc->node()->in(i);
 909 
 910 
 911           if (pred_node && pred_node != start_desc->node()) {
 912             const Node *cur_parent = pred_node->is_block_proj();
 913             if (cur_parent != NULL) {
 914               pred_node = (Node *)cur_parent;
 915             }
 916 
 917             NodeDescription *pred_node_desc = _nodes.at(pred_node->_idx);
 918             if (pred_node_desc->block_index() != -1) {
 919               blocks.adr_at(pred_node_desc->block_index())->add_succ(block_index);
 920             }
 921           }
 922       }
 923 
 924       for (DUIterator_Fast dmax, i = end_desc->node()->fast_outs(dmax); i < dmax; i++) {
 925         Node* cur_succ = end_desc->node()->fast_out(i);
 926         NodeDescription *cur_succ_desc = _nodes.at(cur_succ->_idx);
 927 
 928         DUIterator_Fast dmax2, i2 = cur_succ->fast_outs(dmax2);
 929         if (cur_succ->is_block_proj() && i2 < dmax2 && !cur_succ->is_Root()) {
 930 
 931           for (; i2<dmax2; i2++) {
 932             Node *cur_succ2 = cur_succ->fast_out(i2);
 933             if (cur_succ2) {
 934               cur_succ_desc = _nodes.at(cur_succ2->_idx);
 935               if (cur_succ_desc == NULL) {
 936                 // dead node so skip it
 937                 continue;
 938               }
 939               if (cur_succ2 != end_desc->node() && cur_succ_desc->block_index() != -1) {
 940                 b->add_succ(cur_succ_desc->block_index());
 941               }
 942             }
 943           }
 944 
 945         } else {
 946 
 947           if (cur_succ != end_desc->node() && cur_succ_desc && cur_succ_desc->block_index() != -1) {
 948             b->add_succ(cur_succ_desc->block_index());
 949           }
 950         }
 951       }
 952 
 953 
 954       int num_preds = p->len();
 955       int bottom = -1;
 956       if (p->is_Region() || p->is_Phi()) {
 957         bottom = 0;
 958       }
 959 
 960       int pushed = 0;
 961       for (int i=num_preds - 1; i > bottom; i--) {
 962         if (p->in(i) != NULL && p->in(i) != p) {
 963           stack.push(p->in(i), 0);
 964           pushed++;
 965         }
 966       }
 967 
 968       if (pushed == 0 && p->is_Root() && !_matcher) {
 969         // Special case when backedges to root are not yet built
 970         for (int i = 0; i < _nodes.length(); i++) {
 971           if (_nodes.at(i) && _nodes.at(i)->node()->is_SafePoint() && _nodes.at(i)->node()->outcnt() == 0) {
 972             stack.push(_nodes.at(i)->node(), 0);
 973           }
 974         }
 975       }
 976 
 977     } else {
 978       stack.pop();
 979     }
 980   }
 981 
 982   build_dominators(&blocks);
 983 
 984   int **common_dominator = NEW_RESOURCE_ARRAY(int *, blocks.length());
 985   for (int i = 0; i < blocks.length(); i++) {
 986     int *cur = NEW_RESOURCE_ARRAY(int, blocks.length());
 987     common_dominator[i] = cur;
 988 
 989     for (int j=0; j<blocks.length(); j++) {
 990       cur[j] = 0;
 991     }
 992   }
 993 
 994   for (int i = 0; i < blocks.length(); i++) {
 995     blocks.adr_at(i)->add_child(blocks.adr_at(i)->index());
 996   }
 997   build_common_dominator(common_dominator, 0, &blocks);
 998 
 999   schedule_latest(common_dominator, &blocks);
1000 
1001   start_element(CONTROL_FLOW_ELEMENT);
1002 
1003   for (int i = 0; i < blocks.length(); i++) {
1004     Block *block = blocks.adr_at(i);
1005 
1006     Properties props;
1007     props.add(new Property(BLOCK_NAME_PROPERTY, i));
1008     props.add(new Property(BLOCK_DOMINATOR_PROPERTY, block->dominator()));
1009     start_element(BLOCK_ELEMENT, &props);
1010 
1011     if (block->succs()->length() > 0) {
1012       start_element(SUCCESSORS_ELEMENT);
1013       for (int j=0; j<block->succs()->length(); j++) {
1014         int cur_index = block->succs()->at(j);
1015         if (cur_index != 0 /* start_block has must not have inputs */) {
1016           Properties properties;
1017           properties.add(new Property(BLOCK_NAME_PROPERTY, cur_index));
1018           simple_element(SUCCESSOR_ELEMENT, &properties);
1019         }
1020       }
1021       end_element(SUCCESSORS_ELEMENT);
1022     }
1023 
1024     start_element(NODES_ELEMENT);
1025 
1026     for (int j=0; j<block->nodes()->length(); j++) {
1027       NodeDescription *n = block->nodes()->at(j);
1028       Properties properties;
1029       properties.add(new Property(NODE_ID_PROPERTY, n->id()));
1030       simple_element(NODE_ELEMENT, &properties);
1031     }
1032 
1033     end_element(NODES_ELEMENT);
1034 
1035     end_element(BLOCK_ELEMENT);
1036   }
1037 
1038 
1039   end_element(CONTROL_FLOW_ELEMENT);
1040 
1041   a->destruct_contents();
1042 }
1043 
1044 void IdealGraphPrinter::print_method(Compile* compile, const char *name, int level, bool clear_nodes) {
1045   print(compile, name, (Node *)compile->root(), level, clear_nodes);
1046 }
1047 
1048 // Print current ideal graph
1049 void IdealGraphPrinter::print(Compile* compile, const char *name, Node *node, int level, bool clear_nodes) {
1050 
1051 //  if (finish && !in_method) return;
1052   if (!_current_method || !_should_send_method || level > PrintIdealGraphLevel) return;
1053 
1054   assert(_current_method, "newMethod has to be called first!");
1055 
1056   if (clear_nodes) {
1057     int x = 0;
1058   }
1059 
1060   _clear_nodes = clear_nodes;
1061 
1062   // Warning, unsafe cast?
1063   _chaitin = (PhaseChaitin *)compile->regalloc();
1064   _matcher = compile->matcher();
1065 
1066 
1067   // Update nodes
1068   for (int i = 0; i < _nodes.length(); i++) {
1069     NodeDescription *desc = _nodes.at(i);
1070     if (desc) {
1071       desc->set_state(Invalid);
1072     }
1073   }
1074   Node *n = node;
1075   walk(n);
1076 
1077   // Update edges
1078   for (int i = 0; i < _edges.length(); i++) {
1079       _edges.at(i)->set_state(Invalid);
1080   }
1081 
1082   for (int i = 0; i < _nodes.length(); i++) {
1083     NodeDescription *desc = _nodes.at(i);
1084     if (desc && desc->state() != Invalid) {
1085 
1086       int to = desc->id();
1087       uint len = desc->node()->len();
1088       for (uint j=0; j<len; j++) {
1089         Node *n = desc->node()->in(j);
1090 
1091         if (n) {
1092 
1093 
1094           intptr_t from = (intptr_t)n;
1095 
1096           // Assert from node is valid
1097           /*
1098           bool ok = false;
1099           for (int k=0; k<_nodes.length(); k++) {
1100             NodeDescription *desc = _nodes.at(k);
1101             if (desc && desc->id() == from) {
1102               assert(desc->state() != Invalid, "");
1103               ok = true;
1104             }
1105           }
1106           assert(ok, "");*/
1107 
1108           uint index = j;
1109           if (index >= desc->node()->req()) {
1110             index = desc->node()->req();
1111           }
1112 
1113           print_edge(from, to, index);
1114         }
1115       }
1116     }
1117   }
1118 
1119   bool is_different = false;
1120 
1121   for (int i = 0; i < _nodes.length(); i++) {
1122     NodeDescription *desc = _nodes.at(i);
1123     if (desc && desc->state() != Valid) {
1124       is_different = true;
1125       break;
1126     }
1127   }
1128 
1129   if (!is_different) {
1130     for (int i = 0; i < _edges.length(); i++) {
1131       EdgeDescription *conn = _edges.at(i);
1132       if (conn && conn->state() != Valid) {
1133         is_different = true;
1134         break;
1135       }
1136     }
1137   }
1138 
1139   // No changes -> do not print graph
1140   if (!is_different) return;
1141 
1142   Properties properties;
1143   properties.add(new Property(GRAPH_NAME_PROPERTY, (const char *)name));
1144   start_element(GRAPH_ELEMENT, &properties);
1145 
1146   start_element(NODES_ELEMENT);
1147   for (int i = 0; i < _nodes.length(); i++) {
1148     NodeDescription *desc = _nodes.at(i);
1149     if (desc) {
1150       desc->print(this);
1151       if (desc->state() == Invalid) {
1152         delete desc;
1153         _nodes.at_put(i, NULL);
1154       } else {
1155         desc->set_state(Valid);
1156       }
1157     }
1158   }
1159   end_element(NODES_ELEMENT);
1160 
1161   build_blocks(node);
1162 
1163   start_element(EDGES_ELEMENT);
1164   for (int i = 0; i < _edges.length(); i++) {
1165     EdgeDescription *conn = _edges.at(i);
1166 
1167     // Assert from and to nodes are valid
1168     /*
1169     if (!conn->state() == Invalid) {
1170       bool ok1 = false;
1171       bool ok2 = false;
1172       for (int j=0; j<_nodes.length(); j++) {
1173         NodeDescription *desc = _nodes.at(j);
1174         if (desc && desc->id() == conn->from()) {
1175           ok1 = true;
1176         }
1177 
1178         if (desc && desc->id() == conn->to()) {
1179           ok2 = true;
1180         }
1181       }
1182 
1183       assert(ok1, "from node not found!");
1184       assert(ok2, "to node not found!");
1185     }*/
1186 
1187     conn->print(this);
1188     if (conn->state() == Invalid) {
1189       _edges.remove_at(i);
1190       delete conn;
1191       i--;
1192     }
1193   }
1194 
1195   end_element(EDGES_ELEMENT);
1196 
1197   end_element(GRAPH_ELEMENT);
1198 
1199   _output->flush();
1200 }
1201 
1202 // Print edge
1203 void IdealGraphPrinter::print_edge(int from, int to, int index) {
1204 
1205   EdgeDescription *conn = new EdgeDescription(from, to, index);
1206   for (int i = 0; i < _edges.length(); i++) {
1207     if (_edges.at(i)->equals(conn)) {
1208       conn->set_state(Valid);
1209       delete _edges.at(i);
1210       _edges.at_put(i, conn);
1211       return;
1212     }
1213   }
1214 
1215   _edges.append(conn);
1216 }
1217 
1218 extern const char *NodeClassNames[];
1219 
1220 // Create node description
1221 IdealGraphPrinter::NodeDescription *IdealGraphPrinter::create_node_description(Node* node) {
1222 
1223 #ifndef PRODUCT
1224   node->_in_dump_cnt++;
1225   NodeDescription *desc = new NodeDescription(node);
1226   desc->properties()->add(new Property(NODE_NAME_PROPERTY, (const char *)node->Name()));
1227 
1228   const Type *t = node->bottom_type();
1229   desc->properties()->add(new Property("type", (const char *)Type::msg[t->base()]));
1230 
1231   desc->properties()->add(new Property("idx", node->_idx));
1232 #ifdef ASSERT
1233   desc->properties()->add(new Property("debug_idx", node->_debug_idx));
1234 #endif
1235 








1236 
1237   const jushort flags = node->flags();
1238   if (flags & Node::Flag_is_Copy) {
1239     desc->properties()->add(new Property("is_copy", "true"));
1240   }
1241   if (flags & Node::Flag_is_Call) {
1242     desc->properties()->add(new Property("is_call", "true"));
1243   }
1244   if (flags & Node::Flag_rematerialize) {
1245     desc->properties()->add(new Property("rematerialize", "true"));
1246   }
1247   if (flags & Node::Flag_needs_anti_dependence_check) {
1248     desc->properties()->add(new Property("needs_anti_dependence_check", "true"));
1249   }
1250   if (flags & Node::Flag_is_macro) {
1251     desc->properties()->add(new Property("is_macro", "true"));
1252   }
1253   if (flags & Node::Flag_is_Con) {
1254     desc->properties()->add(new Property("is_con", "true"));
1255   }
1256   if (flags & Node::Flag_is_cisc_alternate) {
1257     desc->properties()->add(new Property("is_cisc_alternate", "true"));
1258   }
1259   if (flags & Node::Flag_is_Branch) {
1260     desc->properties()->add(new Property("is_branch", "true"));
1261   }
1262   if (flags & Node::Flag_is_block_start) {
1263     desc->properties()->add(new Property("is_block_start", "true"));
1264   }
1265   if (flags & Node::Flag_is_Goto) {
1266     desc->properties()->add(new Property("is_goto", "true"));
1267   }
1268   if (flags & Node::Flag_is_dead_loop_safe) {
1269     desc->properties()->add(new Property("is_dead_loop_safe", "true"));
1270   }
1271   if (flags & Node::Flag_may_be_short_branch) {
1272     desc->properties()->add(new Property("may_be_short_branch", "true"));
1273   }
1274   if (flags & Node::Flag_is_safepoint_node) {
1275     desc->properties()->add(new Property("is_safepoint_node", "true"));
1276   }
1277   if (flags & Node::Flag_is_pc_relative) {
1278     desc->properties()->add(new Property("is_pc_relative", "true"));
1279   }
1280 
1281   if (_matcher) {
1282     if (_matcher->is_shared(desc->node())) {
1283       desc->properties()->add(new Property("is_shared", "true"));
1284     } else {
1285       desc->properties()->add(new Property("is_shared", "false"));
1286     }
1287 
1288     if (_matcher->is_dontcare(desc->node())) {
1289       desc->properties()->add(new Property("is_dontcare", "true"));
1290     } else {
1291       desc->properties()->add(new Property("is_dontcare", "false"));
1292     }




1293   }

1294 
1295   if (node->is_Proj()) {
1296     desc->properties()->add(new Property("con", (int)node->as_Proj()->_con));
1297   }
1298 
1299   if (node->is_Mach()) {
1300     desc->properties()->add(new Property("idealOpcode", (const char *)NodeClassNames[node->as_Mach()->ideal_Opcode()]));
1301   }
1302 
1303 
1304 
1305 
1306 
1307   outputStream *oldTty = tty;
1308   buffer[0] = 0;
1309   stringStream s2(buffer, sizeof(buffer) - 1);
1310 
1311   node->dump_spec(&s2);

















1312   assert(s2.size() < sizeof(buffer), "size in range");
1313   desc->properties()->add(new Property("dump_spec", buffer));
1314 
1315   if (node->is_block_proj()) {
1316     desc->properties()->add(new Property("is_block_proj", "true"));
1317   }
1318 
1319   if (node->is_block_start()) {
1320     desc->properties()->add(new Property("is_block_start", "true"));
1321   }
1322 
1323   const char *short_name = "short_name";
1324   if (strcmp(node->Name(), "Parm") == 0 && node->as_Proj()->_con >= TypeFunc::Parms) {
1325       int index = node->as_Proj()->_con - TypeFunc::Parms;
1326       if (index >= 10) {
1327         desc->properties()->add(new Property(short_name, "PA"));
1328       } else {
1329         sprintf(buffer, "P%d", index);
1330         desc->properties()->add(new Property(short_name, buffer));
1331       }
1332   } else if (strcmp(node->Name(), "IfTrue") == 0) {
1333      desc->properties()->add(new Property(short_name, "T"));
1334   } else if (strcmp(node->Name(), "IfFalse") == 0) {
1335      desc->properties()->add(new Property(short_name, "F"));
1336   } else if ((node->is_Con() && node->is_Type()) || node->is_Proj()) {
1337 
1338     if (t->base() == Type::Int && t->is_int()->is_con()) {
1339       const TypeInt *typeInt = t->is_int();
1340       assert(typeInt->is_con(), "must be constant");
1341       jint value = typeInt->get_con();
1342 
1343       // max. 2 chars allowed
1344       if (value >= -9 && value <= 99) {
1345         sprintf(buffer, "%d", value);
1346         desc->properties()->add(new Property(short_name, buffer));


1347       }
1348       else
1349       {
1350         desc->properties()->add(new Property(short_name, "I"));
1351       }
1352     } else if (t == Type::TOP) {
1353       desc->properties()->add(new Property(short_name, "^"));
1354     } else if (t->base() == Type::Long && t->is_long()->is_con()) {
1355       const TypeLong *typeLong = t->is_long();
1356       assert(typeLong->is_con(), "must be constant");
1357       jlong value = typeLong->get_con();
1358 
1359       // max. 2 chars allowed
1360       if (value >= -9 && value <= 99) {
1361         sprintf(buffer, "%d", value);
1362         desc->properties()->add(new Property(short_name, buffer));


1363       }
1364       else
1365       {
1366         desc->properties()->add(new Property(short_name, "L"));
1367       }
1368     } else if (t->base() == Type::KlassPtr) {
1369       const TypeKlassPtr *typeKlass = t->is_klassptr();
1370       desc->properties()->add(new Property(short_name, "CP"));
1371     } else if (t->base() == Type::Control) {
1372       desc->properties()->add(new Property(short_name, "C"));
1373     } else if (t->base() == Type::Memory) {
1374       desc->properties()->add(new Property(short_name, "M"));
1375     } else if (t->base() == Type::Abio) {
1376       desc->properties()->add(new Property(short_name, "IO"));
1377     } else if (t->base() == Type::Return_Address) {
1378       desc->properties()->add(new Property(short_name, "RA"));
1379     } else if (t->base() == Type::AnyPtr) {
1380       desc->properties()->add(new Property(short_name, "P"));
1381     } else if (t->base() == Type::RawPtr) {
1382       desc->properties()->add(new Property(short_name, "RP"));
1383     } else if (t->base() == Type::AryPtr) {
1384       desc->properties()->add(new Property(short_name, "AP"));
1385     }
1386   }
1387 

1388   if (node->is_SafePoint()) {
1389     SafePointNode *safePointNode = node->as_SafePoint();
1390     if (safePointNode->jvms()) {







1391       stringStream bciStream;
1392       bciStream.print("%d ", safePointNode->jvms()->bci());
1393       JVMState *caller = safePointNode->jvms()->caller();
1394       while(caller) {
1395         bciStream.print("%d ", caller->bci());
1396 
1397         caller = caller->caller();
1398       }
1399       desc->properties()->add(new Property("bci", bciStream.as_string()));
1400     }
1401   }
1402 
1403   if (_chaitin && _chaitin != (PhaseChaitin *)0xdeadbeef) {
1404     buffer[0] = 0;
1405     _chaitin->dump_register(node, buffer);
1406     desc->properties()->add(new Property("reg", buffer));
1407     desc->properties()->add(new Property("lrg", _chaitin->n2lidx(node)));
1408   }
1409 
1410 
1411   node->_in_dump_cnt--;
1412   return desc;
1413 #else
1414   return NULL;
1415 #endif
1416 }
1417 
1418 void IdealGraphPrinter::pre_node(Node* node, void *env) {
1419 
1420   IdealGraphPrinter *printer = (IdealGraphPrinter *)env;
1421 
1422   NodeDescription *newDesc = printer->create_node_description(node);
1423 
1424   if (printer->_clear_nodes) {
1425 
1426     printer->_nodes.append(newDesc);
1427   } else {
1428 
1429     NodeDescription *desc = printer->_nodes.at_grow(node->_idx, NULL);
1430 
1431     if (desc && desc->equals(newDesc)) {
1432       //desc->set_state(Valid);
1433       //desc->set_node(node);
1434       delete desc;
1435       printer->_nodes.at_put(node->_idx, NULL);
1436       newDesc->set_state(Valid);
1437       //printer->_nodes.at_put(node->_idx, newDesc);
1438     } else {
1439 
1440       if (desc && desc->id() == newDesc->id()) {
1441         delete desc;
1442         printer->_nodes.at_put(node->_idx, NULL);
1443         newDesc->set_state(New);
1444 
1445       }
1446 
1447       //if (desc) {
1448       //  delete desc;
1449       //}
1450 
1451       //printer->_nodes.at_put(node->_idx, newDesc);
1452     }
1453 
1454     printer->_nodes.append(newDesc);
1455   }
1456 }
1457 
1458 void IdealGraphPrinter::post_node(Node* node, void *env) {
1459 }
1460 
1461 outputStream *IdealGraphPrinter::output() {
1462   return _output;
1463 }
1464 
1465 IdealGraphPrinter::Description::Description() {
1466   _state = New;
1467 }


1468 
1469 void IdealGraphPrinter::Description::print(IdealGraphPrinter *printer) {
1470   if (_state == Invalid) {
1471     print_removed(printer);
1472   } else if (_state == New) {
1473     print_changed(printer);
1474   }
1475 }
1476 
1477 void IdealGraphPrinter::Description::set_state(State s) {
1478   _state = s;
1479 }
1480 
1481 IdealGraphPrinter::State IdealGraphPrinter::Description::state() {
1482   return _state;
1483 }
1484 
1485 void IdealGraphPrinter::Block::set_proj(NodeDescription *n) {
1486   _proj = n;
1487 }
1488 
1489 void IdealGraphPrinter::Block::set_start(NodeDescription *n) {
1490   _start = n;
1491 }
1492 
1493 int IdealGraphPrinter::Block::semi() {
1494   return _semi;
1495 }
1496 
1497 int IdealGraphPrinter::Block::parent() {
1498   return _parent;
1499 }
1500 
1501 GrowableArray<int>* IdealGraphPrinter::Block::bucket() {
1502   return &_bucket;
1503 }
1504 
1505 GrowableArray<int>* IdealGraphPrinter::Block::children() {
1506   return &_children;
1507 }
1508 
1509 void IdealGraphPrinter::Block::add_child(int i) {
1510   _children.append(i);
1511 }
1512 
1513 GrowableArray<int>* IdealGraphPrinter::Block::dominates() {
1514   return &_dominates;
1515 }
1516 
1517 void IdealGraphPrinter::Block::add_dominates(int i) {
1518   _dominates.append(i);
1519 }
1520 
1521 void IdealGraphPrinter::Block::add_to_bucket(int i) {
1522   _bucket.append(i);
1523 }
1524 
1525 void IdealGraphPrinter::Block::clear_bucket() {
1526   _bucket.clear();
1527 }
1528 
1529 void IdealGraphPrinter::Block::set_dominator(int i) {
1530   _dominator = i;
1531 }
1532 
1533 void IdealGraphPrinter::Block::set_label(int i) {
1534   _label = i;
1535 }
1536 
1537 int IdealGraphPrinter::Block::label() {
1538   return _label;
1539 }
1540 
1541 int IdealGraphPrinter::Block::ancestor() {
1542   return _ancestor;
1543 }
1544 
1545 void IdealGraphPrinter::Block::set_ancestor(int i) {
1546   _ancestor = i;
1547 }
1548 
1549 int IdealGraphPrinter::Block::dominator() {
1550   return _dominator;
1551 }
1552 
1553 int IdealGraphPrinter::Block::index() {
1554   return _index;
1555 }
1556 
1557 void IdealGraphPrinter::Block::set_parent(int i) {
1558   _parent = i;
1559 }
1560 
1561 GrowableArray<int>* IdealGraphPrinter::Block::pred() {
1562   return &_pred;
1563 }
1564 
1565 void IdealGraphPrinter::Block::set_semi(int i) {
1566   _semi = i;
1567 }
1568 
1569 IdealGraphPrinter::Block::Block() {
1570 }
1571 
1572 IdealGraphPrinter::Block::Block(int index) {
1573   _index = index;
1574   _label = index;
1575   _semi = -1;
1576   _ancestor = -1;
1577   _dominator = -1;
1578 }
1579 
1580 void IdealGraphPrinter::Block::add_pred(int i) {
1581   _pred.append(i);
1582 }
1583 
1584 IdealGraphPrinter::NodeDescription *IdealGraphPrinter::Block::proj() {
1585   return _proj;
1586 }
1587 
1588 IdealGraphPrinter::NodeDescription *IdealGraphPrinter::Block::start() {
1589   return _start;
1590 }
1591 
1592 GrowableArray<int>* IdealGraphPrinter::Block::succs() {
1593   return &_succs;
1594 }
1595 
1596 void IdealGraphPrinter::Block::add_succ(int index) {
1597 
1598   if (this->_index == 16 && index == 15) {
1599     int x = 0;
1600   }
1601 
1602   if (!_succs.contains(index)) {
1603     _succs.append(index);
1604   }
1605 }
1606 
1607 
1608 void IdealGraphPrinter::Block::add_node(NodeDescription *n) {
1609   if (!_nodes.contains(n)) {
1610     _nodes.append(n);
1611   }
1612 }
1613 
1614 GrowableArray<IdealGraphPrinter::NodeDescription *>* IdealGraphPrinter::Block::nodes() {
1615   return &_nodes;
1616 }
1617 
1618 int IdealGraphPrinter::NodeDescription::count = 0;
1619 
1620 IdealGraphPrinter::NodeDescription::NodeDescription(Node* node) : _node(node) {
1621   _id = (intptr_t)(node);
1622   _block_index = -1;
1623 }
1624 
1625 IdealGraphPrinter::NodeDescription::~NodeDescription() {
1626   _properties.clean();
1627 }
1628 
1629 // void IdealGraphPrinter::NodeDescription::set_node(Node* node) {
1630 //   //this->_node = node;
1631 // }
1632 
1633 int IdealGraphPrinter::NodeDescription::block_index() {
1634   return _block_index;
1635 }
1636 
1637 
1638 GrowableArray<IdealGraphPrinter::NodeDescription *>* IdealGraphPrinter::NodeDescription::succs() {
1639   return &_succs;
1640 }
1641 
1642 void IdealGraphPrinter::NodeDescription::clear_succs() {
1643   _succs.clear();
1644 }
1645 
1646 void IdealGraphPrinter::NodeDescription::init_succs() {
1647   _succs = GrowableArray<NodeDescription *>();
1648 }
1649 
1650 void IdealGraphPrinter::NodeDescription::add_succ(NodeDescription *desc) {
1651   _succs.append(desc);
1652 }
1653 
1654 void IdealGraphPrinter::NodeDescription::set_block_index(int i) {
1655   _block_index = i;
1656 }
1657 
1658 bool IdealGraphPrinter::NodeDescription::equals(NodeDescription *desc) {
1659   if (desc == NULL) return false;
1660   if (desc->id() != id()) return false;
1661   return properties()->equals(desc->properties());
1662 }
1663 
1664 Node* IdealGraphPrinter::NodeDescription::node() {
1665   return _node;
1666 }
1667 
1668 IdealGraphPrinter::Properties* IdealGraphPrinter::NodeDescription::properties() {
1669   return &_properties;
1670 }
1671 
1672 uint IdealGraphPrinter::NodeDescription::id() {
1673   return _id;
1674 }
1675 
1676 void IdealGraphPrinter::NodeDescription::print_changed(IdealGraphPrinter *printer) {
1677 
1678 
1679   Properties properties;
1680   properties.add(new Property(NODE_ID_PROPERTY, id()));
1681   printer->start_element(NODE_ELEMENT, &properties);
1682 
1683   this->properties()->print(printer);
1684 
1685 
1686   printer->end_element(NODE_ELEMENT);
1687 }
1688 
1689 void IdealGraphPrinter::NodeDescription::print_removed(IdealGraphPrinter *printer) {
1690 
1691   Properties properties;
1692   properties.add(new Property(NODE_ID_PROPERTY, id()));
1693   printer->simple_element(REMOVE_NODE_ELEMENT, &properties);
1694 }
1695 
1696 IdealGraphPrinter::EdgeDescription::EdgeDescription(int from, int to, int index) {
1697   this->_from = from;
1698   this->_to = to;
1699   this->_index = index;
1700 }
1701 
1702 IdealGraphPrinter::EdgeDescription::~EdgeDescription() {
1703 }
1704 
1705 int IdealGraphPrinter::EdgeDescription::from() {
1706   return _from;
1707 }
1708 
1709 int IdealGraphPrinter::EdgeDescription::to() {
1710   return _to;
1711 }
1712 
1713 void IdealGraphPrinter::EdgeDescription::print_changed(IdealGraphPrinter *printer) {
1714 
1715   Properties properties;
1716   properties.add(new Property(INDEX_PROPERTY, _index));
1717   properties.add(new Property(FROM_PROPERTY, _from));
1718   properties.add(new Property(TO_PROPERTY, _to));
1719   printer->simple_element(EDGE_ELEMENT, &properties);
1720 }
1721 
1722 void IdealGraphPrinter::EdgeDescription::print_removed(IdealGraphPrinter *printer) {
1723 
1724   Properties properties;
1725   properties.add(new Property(INDEX_PROPERTY, _index));
1726   properties.add(new Property(FROM_PROPERTY, _from));
1727   properties.add(new Property(TO_PROPERTY, _to));
1728   printer->simple_element(REMOVE_EDGE_ELEMENT, &properties);
1729 }
1730 
1731 bool IdealGraphPrinter::EdgeDescription::equals(IdealGraphPrinter::EdgeDescription *desc) {
1732   if (desc == NULL) return false;
1733   return (_from == desc->_from && _to == desc->_to && _index == desc->_index);
1734 }
1735 
1736 IdealGraphPrinter::Properties::Properties() : list(new (ResourceObj::C_HEAP) GrowableArray<Property *>(2, 0, NULL, true)) {
1737 }
1738 
1739 IdealGraphPrinter::Properties::~Properties() {
1740   clean();
1741   delete list;
1742 }
1743 
1744 void IdealGraphPrinter::Properties::add(Property *p) {
1745   assert(p != NULL, "Property not NULL");
1746   list->append(p);
1747 }
1748 
1749 void IdealGraphPrinter::Properties::print(IdealGraphPrinter *printer) {
1750   printer->start_element(PROPERTIES_ELEMENT);
1751 
1752   for (int i = 0; i < list->length(); i++) {
1753     list->at(i)->print(printer);
1754   }
1755 
1756   printer->end_element(PROPERTIES_ELEMENT);
1757 }
1758 
1759 void IdealGraphPrinter::Properties::clean() {
1760   for (int i = 0; i < list->length(); i++) {
1761     delete list->at(i);
1762     list->at_put(i, NULL);
1763   }
1764   list->clear();
1765   assert(list->length() == 0, "List cleared");
1766 }
1767 
1768 void IdealGraphPrinter::Properties::remove(const char *name) {
1769   for (int i = 0; i < list->length(); i++) {
1770     if (strcmp(list->at(i)->name(), name) == 0) {
1771       delete list->at(i);
1772       list->remove_at(i);
1773       i--;
1774     }
1775   }
1776 }
1777 
1778 void IdealGraphPrinter::Properties::print_as_attributes(IdealGraphPrinter *printer) {
1779 
1780   for (int i = 0; i < list->length(); i++) {
1781     assert(list->at(i) != NULL, "Property not null!");
1782     printer->output()->print(" ");
1783     list->at(i)->print_as_attribute(printer);
1784   }
1785 }
1786 
1787 bool IdealGraphPrinter::Properties::equals(Properties* p) {
1788   if (p->list->length() != this->list->length()) return false;
1789 
1790   for (int i = 0; i < list->length(); i++) {
1791     assert(list->at(i) != NULL, "Property not null!");
1792     if (!list->at(i)->equals(p->list->at(i))) return false;
1793   }
1794 
1795   return true;
1796 }
1797 
1798 IdealGraphPrinter::Property::Property() {
1799   _name = NULL;
1800   _value = NULL;
1801 }
1802 
1803 const char *IdealGraphPrinter::Property::name() {
1804   return _name;
1805 }
1806 
1807 IdealGraphPrinter::Property::Property(const Property* p) {


1808 
1809   this->_name = NULL;
1810   this->_value = NULL;








1811 
1812   if (p->_name != NULL) {
1813     _name = dup(p->_name);



1814   }

1815 
1816   if (p->_value) {
1817     _value = dup(p->_value);
1818   }
1819 }
1820 
1821 IdealGraphPrinter::Property::~Property() {
1822 
1823   clean();
1824 }
1825 
1826 IdealGraphPrinter::Property::Property(const char *name, const char *value) {
1827 
1828   assert(name, "Name must not be null!");
1829   assert(value, "Value must not be null!");
1830 
1831   _name = dup(name);
1832   _value = dup(value);
1833 }
1834 
1835 IdealGraphPrinter::Property::Property(const char *name, int intValue) {
1836   _name = dup(name);
1837 
1838   stringStream stream;
1839   stream.print("%d", intValue);
1840   _value = dup(stream.as_string());
1841 }
1842 
1843 void IdealGraphPrinter::Property::clean() {
1844   if (_name) {
1845     delete _name;
1846     _name = NULL;
1847   }
1848 
1849   if (_value) {
1850     delete _value;
1851     _value = NULL;
1852   }
1853 }
1854 

1855 
1856 bool IdealGraphPrinter::Property::is_null() {
1857   return _name == NULL;
1858 }
1859 
1860 void IdealGraphPrinter::Property::print(IdealGraphPrinter *printer) {
1861 
1862   assert(!is_null(), "null properties cannot be printed!");
1863   Properties properties;
1864   properties.add(new Property(PROPERTY_NAME_PROPERTY, _name));
1865   printer->start_element(PROPERTY_ELEMENT, &properties, false, false);
1866   printer->print_xml(_value);
1867   printer->end_element(PROPERTY_ELEMENT, false, true);
1868 }
1869 
1870 void IdealGraphPrinter::Property::print_as_attribute(IdealGraphPrinter *printer) {
1871 
1872   printer->output()->print(_name);
1873   printer->output()->print("=\"");
1874   printer->print_xml(_value);
1875   printer->output()->print("\"");
1876 }
1877 
1878 
1879 bool IdealGraphPrinter::Property::equals(Property* p) {
1880 
1881   if (is_null() && p->is_null()) return true;
1882   if (is_null()) return false;
1883   if (p->is_null()) return false;
1884 
1885   int cmp1 = strcmp(p->_name, _name);
1886   if (cmp1 != 0) return false;
1887 
1888   int cmp2 = strcmp(p->_value, _value);
1889   if (cmp2 != 0) return false;
1890 
1891   return true;
1892 }
1893 
1894 void IdealGraphPrinter::print_xml(const char *value) {
1895   size_t len = strlen(value);
1896 
1897   char buf[2];
1898   buf[1] = 0;
1899   for (size_t i = 0; i < len; i++) {
1900     char c = value[i];
1901 
1902     switch(c) {
1903       case '<':
1904         output()->print("&lt;");
1905         break;
1906 
1907       case '>':
1908         output()->print("&gt;");
1909         break;
1910 
1911       default:
1912         buf[0] = c;
1913         output()->print(buf);
1914         break;
1915     }
1916   }
1917 }
1918 
1919 #endif


  83   return compiler_thread->ideal_graph_printer();
  84 }
  85 
  86 void IdealGraphPrinter::clean_up() {
  87   JavaThread *p;
  88   for (p = Threads::first(); p; p = p->next()) {
  89     if (p->is_Compiler_thread()) {
  90       CompilerThread *c = (CompilerThread *)p;
  91       IdealGraphPrinter *printer = c->ideal_graph_printer();
  92       if (printer) {
  93         delete printer;
  94       }
  95       c->set_ideal_graph_printer(NULL);
  96     }
  97   }
  98 }
  99 
 100 // Constructor, either file or network output
 101 IdealGraphPrinter::IdealGraphPrinter() {
 102 
 103   // By default dump both ins and outs since dead or unreachable code
 104   // needs to appear in the graph.  There are also some special cases
 105   // in the mach where kill projections have no users but should
 106   // appear in the dump.
 107   _traverse_outs = true;
 108   _should_send_method = true;
 109   _output = NULL;
 110   buffer[0] = 0;
 111   _depth = 0;
 112   _current_method = NULL;
 113   assert(!_current_method, "current method must be initialized to NULL");
 114   _stream = NULL;
 115 


 116   if (PrintIdealGraphFile != NULL) {
 117     ThreadCritical tc;
 118     // User wants all output to go to files
 119     if (_file_count != 0) {
 120       ResourceMark rm;
 121       stringStream st;
 122       const char* dot = strrchr(PrintIdealGraphFile, '.');
 123       if (dot) {
 124         st.write(PrintIdealGraphFile, dot - PrintIdealGraphFile);
 125         st.print("%d%s", _file_count, dot);
 126       } else {
 127         st.print("%s%d", PrintIdealGraphFile, _file_count);
 128       }
 129       fileStream *stream = new (ResourceObj::C_HEAP) fileStream(st.as_string());
 130       _output = stream;
 131     } else {
 132       fileStream *stream = new (ResourceObj::C_HEAP) fileStream(PrintIdealGraphFile);
 133       _output = stream;
 134     }
 135     _file_count++;
 136   } else {
 137     _stream = new (ResourceObj::C_HEAP) networkStream();
 138 
 139     // Try to connect to visualizer
 140     if (_stream->connect(PrintIdealGraphAddress, PrintIdealGraphPort)) {
 141       char c = 0;
 142       _stream->read(&c, 1);
 143       if (c != 'y') {
 144         tty->print_cr("Client available, but does not want to receive data!");
 145         _stream->close();
 146         delete _stream;
 147         _stream = NULL;
 148         return;
 149       }
 150       _output = _stream;
 151     } else {
 152       // It would be nice if we could shut down cleanly but it should
 153       // be an error if we can't connect to the visualizer.
 154       fatal2("Couldn't connect to visualizer at %s:%d", PrintIdealGraphAddress, PrintIdealGraphPort);
 155     }
 156   }
 157 
 158   _xml = new (ResourceObj::C_HEAP) xmlStream(_output);
 159 
 160   head(TOP_ELEMENT);
 161 }
 162 
 163 // Destructor, close file or network stream
 164 IdealGraphPrinter::~IdealGraphPrinter() {
 165 
 166   tail(TOP_ELEMENT);
 167 
 168   // tty->print_cr("Walk time: %d", (int)_walk_time.milliseconds());
 169   // tty->print_cr("Output time: %d", (int)_output_time.milliseconds());
 170   // tty->print_cr("Build blocks time: %d", (int)_build_blocks_time.milliseconds());
 171 
 172   if(_xml) {
 173     delete _xml;
 174     _xml = NULL;
 175   }
 176 
 177   if (_stream) {
 178     delete _stream;
 179     if (_stream == _output) {
 180       _output = NULL;
 181     }
 182     _stream = NULL;
 183   }
 184 
 185   if (_output) {
 186     delete _output;
 187     _output = NULL;
 188   }
 189 }
 190 

 191 
 192 void IdealGraphPrinter::begin_elem(const char *s) {
 193   _xml->begin_elem(s);
 194 }
 195 
 196 void IdealGraphPrinter::end_elem() {
 197   _xml->end_elem();
 198 }
 199 
 200 void IdealGraphPrinter::begin_head(const char *s) {
 201   _xml->begin_head(s);
 202 }
 203 
 204 void IdealGraphPrinter::end_head() {
 205   _xml->end_head();
 206 }




 207 
 208 void IdealGraphPrinter::print_attr(const char *name, intptr_t val) {
 209   stringStream stream;
 210   stream.print(INTX_FORMAT, val);
 211   print_attr(name, stream.as_string());
 212 }
 213 
 214 void IdealGraphPrinter::print_attr(const char *name, const char *val) {
 215   _xml->print(" %s='", name);
 216   text(val);
 217   _xml->print("'");
 218 }






 219 
 220 void IdealGraphPrinter::head(const char *name) {
 221   _xml->head(name);
 222 }
 223 
 224 void IdealGraphPrinter::tail(const char *name) {
 225   _xml->tail(name);
 226 }





 227 
 228 void IdealGraphPrinter::text(const char *s) {
 229   _xml->text(s);









 230 }
 231 
 232 void IdealGraphPrinter::print_prop(const char *name, int val) {
 233 
 234   stringStream stream;
 235   stream.print("%d", val);
 236   print_prop(name, stream.as_string());
 237 }
 238 
 239 void IdealGraphPrinter::print_prop(const char *name, const char *val) {
 240   begin_head(PROPERTY_ELEMENT);
 241   print_attr(PROPERTY_NAME_PROPERTY, name);
 242   end_head();
 243   text(val);
 244   tail(PROPERTY_ELEMENT);
 245 }
 246 
 247 void IdealGraphPrinter::print_method(ciMethod *method, int bci, InlineTree *tree) {
 248   begin_head(METHOD_ELEMENT);
 249 

 250   stringStream str;
 251   method->print_name(&str);
 252 
 253   stringStream shortStr;
 254   method->print_short_name(&shortStr);
 255 
 256   print_attr(METHOD_NAME_PROPERTY, str.as_string());
 257   print_attr(METHOD_SHORT_NAME_PROPERTY, shortStr.as_string());
 258   print_attr(METHOD_BCI_PROPERTY, bci);
 259 
 260   end_head();



 261 
 262   head(BYTECODES_ELEMENT);
 263   output()->print_cr("<![CDATA[");
 264   method->print_codes_on(output());
 265   output()->print_cr("]]>");
 266   tail(BYTECODES_ELEMENT);
 267 
 268   head(INLINE_ELEMENT);
 269   if (tree != NULL) {
 270     GrowableArray<InlineTree *> subtrees = tree->subtrees();
 271     for (int i = 0; i < subtrees.length(); i++) {
 272       print_inline_tree(subtrees.at(i));
 273     }
 274   }
 275   tail(INLINE_ELEMENT);
 276 
 277   tail(METHOD_ELEMENT);
 278   output()->flush();
 279 }
 280 
 281 void IdealGraphPrinter::print_inline_tree(InlineTree *tree) {
 282 
 283   if (tree == NULL) return;
 284 
 285   ciMethod *method = tree->method();
 286   print_method(tree->method(), tree->caller_bci(), tree);
 287 
 288 }
 289 






 290 void IdealGraphPrinter::print_inlining(Compile* compile) {
 291 
 292   // Print inline tree
 293   if (_should_send_method) {
 294     InlineTree *inlineTree = compile->ilt();
 295     if (inlineTree != NULL) {
 296       print_inline_tree(inlineTree);
 297     } else {
 298       // print this method only
 299     }
 300   }
 301 }
 302 
 303 // Has to be called whenever a method is compiled
 304 void IdealGraphPrinter::begin_method(Compile* compile) {
 305 
 306   ciMethod *method = compile->method();
 307   assert(_output, "output stream must exist!");
 308   assert(method, "null methods are not allowed!");
 309   assert(!_current_method, "current method must be null!");
 310 
 311   head(GROUP_ELEMENT);
 312 
 313   head(PROPERTIES_ELEMENT);
 314 
 315   // Print properties


 316   // Add method name
 317   stringStream strStream;
 318   method->print_name(&strStream);
 319   print_prop(METHOD_NAME_PROPERTY, strStream.as_string());
 320 
 321   if (method->flags().is_public()) {
 322     print_prop(METHOD_IS_PUBLIC_PROPERTY, TRUE_VALUE);
 323   }
 324 
 325   if (method->flags().is_static()) {
 326     print_prop(METHOD_IS_STATIC_PROPERTY, TRUE_VALUE);
 327   }
 328 
 329   tail(PROPERTIES_ELEMENT);
 330 
 331   if (_stream) {
 332     char answer = 0;
 333     _xml->flush();
 334     int result = _stream->read(&answer, 1);
 335     _should_send_method = (answer == 'y');
 336   }
 337 




 338   this->_current_method = method;
 339 
 340   _xml->flush();


 341 }
 342 
 343 // Has to be called whenever a method has finished compilation
 344 void IdealGraphPrinter::end_method() {
 345 


 346   nmethod* method = (nmethod*)this->_current_method->code();
 347 
 348   tail(GROUP_ELEMENT);





 349   _current_method = NULL;
 350   _xml->flush();


























 351 }
 352 
































 353 // Print indent
 354 void IdealGraphPrinter::print_indent() {
 355   tty->print_cr("printing ident %d", _depth);
 356   for (int i = 0; i < _depth; i++) {
 357     _xml->print(INDENT);
 358   }
 359 }
 360 















 361 bool IdealGraphPrinter::traverse_outs() {
 362   return _traverse_outs;
 363 }
 364 
 365 void IdealGraphPrinter::set_traverse_outs(bool b) {
 366   _traverse_outs = b;
 367 }
 368 
 369 intptr_t IdealGraphPrinter::get_node_id(Node *n) {
 370   return (intptr_t)(n);
 371 }
 372 
 373 void IdealGraphPrinter::visit_node(Node *n, void *param) {
 374 
 375   if(param) {




 376 
 377     // Output edge
 378     intptr_t dest_id = get_node_id(n);










 379     for ( uint i = 0; i < n->len(); i++ ) {
 380       if ( n->in(i) ) {
 381         Node *source = n->in(i);
 382         begin_elem(EDGE_ELEMENT);
 383         intptr_t source_id = get_node_id(source);
 384         print_attr(FROM_PROPERTY, source_id);
 385         print_attr(TO_PROPERTY, dest_id);
 386         print_attr(INDEX_PROPERTY, i);
 387         end_elem();
 388       }
 389     }



 390 



























 391   } else {




 392 
 393     // Output node
 394     begin_head(NODE_ELEMENT);
 395     print_attr(NODE_ID_PROPERTY, get_node_id(n));
 396     end_head();
 397 
 398     head(PROPERTIES_ELEMENT);
 399 
 400     Node *node = n;

































































































































































































































































































































































































































































































































































































































































































































 401 #ifndef PRODUCT
 402     node->_in_dump_cnt++;
 403     print_prop(NODE_NAME_PROPERTY, (const char *)node->Name());


 404     const Type *t = node->bottom_type();
 405     print_prop("type", (const char *)Type::msg[t->base()]);
 406     print_prop("idx", node->_idx);

 407 #ifdef ASSERT
 408     print_prop("debug_idx", node->_debug_idx);
 409 #endif
 410 
 411     if(C->cfg() != NULL) {
 412       Block *block = C->cfg()->_bbs[node->_idx];
 413       if(block == NULL) {
 414         print_prop("block", C->cfg()->_blocks[0]->_pre_order);
 415       } else {
 416         print_prop("block", block->_pre_order);
 417       }
 418     }
 419 
 420     const jushort flags = node->flags();
 421     if (flags & Node::Flag_is_Copy) {
 422       print_prop("is_copy", "true");
 423     }
 424     if (flags & Node::Flag_is_Call) {
 425       print_prop("is_call", "true");
 426     }
 427     if (flags & Node::Flag_rematerialize) {
 428       print_prop("rematerialize", "true");
 429     }
 430     if (flags & Node::Flag_needs_anti_dependence_check) {
 431       print_prop("needs_anti_dependence_check", "true");
 432     }
 433     if (flags & Node::Flag_is_macro) {
 434       print_prop("is_macro", "true");
 435     }
 436     if (flags & Node::Flag_is_Con) {
 437       print_prop("is_con", "true");
 438     }
 439     if (flags & Node::Flag_is_cisc_alternate) {
 440       print_prop("is_cisc_alternate", "true");
 441     }
 442     if (flags & Node::Flag_is_Branch) {
 443       print_prop("is_branch", "true");
 444     }
 445     if (flags & Node::Flag_is_block_start) {
 446       print_prop("is_block_start", "true");
 447     }
 448     if (flags & Node::Flag_is_Goto) {
 449       print_prop("is_goto", "true");
 450     }
 451     if (flags & Node::Flag_is_dead_loop_safe) {
 452       print_prop("is_dead_loop_safe", "true");
 453     }
 454     if (flags & Node::Flag_may_be_short_branch) {
 455       print_prop("may_be_short_branch", "true");
 456     }
 457     if (flags & Node::Flag_is_safepoint_node) {
 458       print_prop("is_safepoint_node", "true");
 459     }
 460     if (flags & Node::Flag_is_pc_relative) {
 461       print_prop("is_pc_relative", "true");
 462     }
 463 
 464     if (C->matcher() != NULL) {
 465       if (C->matcher()->is_shared(node)) {
 466         print_prop("is_shared", "true");
 467       } else {
 468         print_prop("is_shared", "false");
 469       }
 470       if (C->matcher()->is_dontcare(node)) {
 471         print_prop("is_dontcare", "true");

 472       } else {
 473         print_prop("is_dontcare", "false");
 474       }
 475 
 476       Node* old = C->matcher()->find_old_node(node);
 477       if (old != NULL) {
 478         print_prop("old_node_idx", old->_idx);
 479       }
 480     }
 481 
 482     if (node->is_Proj()) {
 483       print_prop("con", (int)node->as_Proj()->_con);
 484     }
 485 
 486     if (node->is_Mach()) {
 487       print_prop("idealOpcode", (const char *)NodeClassNames[node->as_Mach()->ideal_Opcode()]);
 488     }
 489 





 490     buffer[0] = 0;
 491     stringStream s2(buffer, sizeof(buffer) - 1);
 492 
 493     node->dump_spec(&s2);
 494     if (t != NULL && (t->isa_instptr() || t->isa_klassptr())) {
 495       const TypeInstPtr  *toop = t->isa_instptr();
 496       const TypeKlassPtr *tkls = t->isa_klassptr();
 497       ciKlass*           klass = toop ? toop->klass() : (tkls ? tkls->klass() : NULL );
 498       if( klass && klass->is_loaded() && klass->is_interface() ) {
 499         s2.print("  Interface:");
 500       } else if( toop ) {
 501         s2.print("  Oop:");
 502       } else if( tkls ) {
 503         s2.print("  Klass:");
 504       }
 505       t->dump_on(&s2);
 506     } else if( t == Type::MEMORY ) {
 507       s2.print("  Memory:");
 508       MemNode::dump_adr_type(node, node->adr_type(), &s2);
 509     }
 510 
 511     assert(s2.size() < sizeof(buffer), "size in range");
 512     print_prop("dump_spec", buffer);
 513 
 514     if (node->is_block_proj()) {
 515       print_prop("is_block_proj", "true");
 516     }
 517 
 518     if (node->is_block_start()) {
 519       print_prop("is_block_start", "true");
 520     }
 521 
 522     const char *short_name = "short_name";
 523     if (strcmp(node->Name(), "Parm") == 0 && node->as_Proj()->_con >= TypeFunc::Parms) {
 524       int index = node->as_Proj()->_con - TypeFunc::Parms;
 525       if (index >= 10) {
 526         print_prop(short_name, "PA");
 527       } else {
 528         sprintf(buffer, "P%d", index);
 529         print_prop(short_name, buffer);
 530       }
 531     } else if (strcmp(node->Name(), "IfTrue") == 0) {
 532       print_prop(short_name, "T");
 533     } else if (strcmp(node->Name(), "IfFalse") == 0) {
 534       print_prop(short_name, "F");
 535     } else if ((node->is_Con() && node->is_Type()) || node->is_Proj()) {
 536 
 537       if (t->base() == Type::Int && t->is_int()->is_con()) {
 538         const TypeInt *typeInt = t->is_int();
 539         assert(typeInt->is_con(), "must be constant");
 540         jint value = typeInt->get_con();
 541 
 542         // max. 2 chars allowed
 543         if (value >= -9 && value <= 99) {
 544           sprintf(buffer, "%d", value);
 545           print_prop(short_name, buffer);
 546         } else {
 547           print_prop(short_name, "I");
 548         }




 549       } else if (t == Type::TOP) {
 550         print_prop(short_name, "^");
 551       } else if (t->base() == Type::Long && t->is_long()->is_con()) {
 552         const TypeLong *typeLong = t->is_long();
 553         assert(typeLong->is_con(), "must be constant");
 554         jlong value = typeLong->get_con();
 555 
 556         // max. 2 chars allowed
 557         if (value >= -9 && value <= 99) {
 558           sprintf(buffer, "%d", value);
 559           print_prop(short_name, buffer);
 560         } else {
 561           print_prop(short_name, "L");
 562         }




 563       } else if (t->base() == Type::KlassPtr) {
 564         const TypeKlassPtr *typeKlass = t->is_klassptr();
 565         print_prop(short_name, "CP");
 566       } else if (t->base() == Type::Control) {
 567         print_prop(short_name, "C");
 568       } else if (t->base() == Type::Memory) {
 569         print_prop(short_name, "M");
 570       } else if (t->base() == Type::Abio) {
 571         print_prop(short_name, "IO");
 572       } else if (t->base() == Type::Return_Address) {
 573         print_prop(short_name, "RA");
 574       } else if (t->base() == Type::AnyPtr) {
 575         print_prop(short_name, "P");
 576       } else if (t->base() == Type::RawPtr) {
 577         print_prop(short_name, "RP");
 578       } else if (t->base() == Type::AryPtr) {
 579         print_prop(short_name, "AP");
 580       }
 581     }
 582 
 583     JVMState* caller = NULL;
 584     if (node->is_SafePoint()) {
 585       caller = node->as_SafePoint()->jvms();
 586     } else {
 587       Node_Notes* notes = C->node_notes_at(node->_idx);
 588       if (notes != NULL) {
 589         caller = notes->jvms();
 590       }
 591     }
 592 
 593     if (caller != NULL) {
 594       stringStream bciStream;


 595       while(caller) {
 596         bciStream.print("%d ", caller->bci());

 597         caller = caller->caller();
 598       }
 599       print_prop("bci", bciStream.as_string());
 600     }

 601 
 602     if (_chaitin && _chaitin != (PhaseChaitin *)0xdeadbeef) {
 603       buffer[0] = 0;
 604       _chaitin->dump_register(node, buffer);
 605       print_prop("reg", buffer);
 606       print_prop("lrg", _chaitin->n2lidx(node));
 607     }
 608 

 609     node->_in_dump_cnt--;



 610 #endif

 611 
 612     tail(PROPERTIES_ELEMENT);
 613     tail(NODE_ELEMENT);

























 614   }










 615 }
 616 
 617 void IdealGraphPrinter::walk_nodes(Node *start, void *param) {

 618 



 619 
 620   VectorSet visited(Thread::current()->resource_area());
 621   GrowableArray<Node *> nodeStack(Thread::current()->resource_area(), 0, 0, NULL);
 622   nodeStack.push(start);
 623   visited.test_set(start->_idx);
 624   while(nodeStack.length() > 0) {
 625 
 626     Node *n = nodeStack.pop();
 627     visit_node(n, param);





 628 
 629     if (_traverse_outs) {
 630       for (DUIterator i = n->outs(); n->has_out(i); i++) {
 631         Node* p = n->out(i);
 632         if (!visited.test_set(p->_idx)) {
 633           nodeStack.push(p);






















































































































 634         }



 635       }






 636     }

 637 
 638     for ( uint i = 0; i < n->len(); i++ ) {
 639       if ( n->in(i) ) {
 640         if (!visited.test_set(n->in(i)->_idx)) {
 641           nodeStack.push(n->in(i));








































































































































 642         }








 643       }










 644     }
 645   }
 646 }
 647 
 648 void IdealGraphPrinter::print_method(Compile* compile, const char *name, int level, bool clear_nodes) {
 649   print(compile, name, (Node *)compile->root(), level, clear_nodes);





 650 }
 651 
 652 // Print current ideal graph
 653 void IdealGraphPrinter::print(Compile* compile, const char *name, Node *node, int level, bool clear_nodes) {
 654 
 655   if (!_current_method || !_should_send_method || level > PrintIdealGraphLevel) return;



 656 
 657   this->C = compile;

 658 
 659   // Warning, unsafe cast?
 660   _chaitin = (PhaseChaitin *)C->regalloc();


 661 
 662   begin_head(GRAPH_ELEMENT);
 663   print_attr(GRAPH_NAME_PROPERTY, (const char *)name);
 664   end_head();
 665 
 666   head(NODES_ELEMENT);
 667   walk_nodes(node, NULL);
 668   tail(NODES_ELEMENT);
 669 
 670   head(EDGES_ELEMENT);
 671   walk_nodes(node, (void *)1);
 672   tail(EDGES_ELEMENT);
 673   if (C->cfg() != NULL) {
 674     head(CONTROL_FLOW_ELEMENT);
 675     for (uint i = 0; i < C->cfg()->_blocks.size(); i++) {
 676       Block *b = C->cfg()->_blocks[i];
 677       begin_head(BLOCK_ELEMENT);
 678       print_attr(BLOCK_NAME_PROPERTY, b->_pre_order);
 679       end_head();
 680 
 681       head(SUCCESSORS_ELEMENT);
 682       for (uint s = 0; s < C->cfg()->_blocks[i]->_num_succs; s++) {
 683         begin_elem(SUCCESSOR_ELEMENT);
 684         print_attr(BLOCK_NAME_PROPERTY, b->_succs[s]->_pre_order);
 685         end_elem();
 686       }
 687       tail(SUCCESSORS_ELEMENT);
 688       
 689       tail(BLOCK_ELEMENT);

 690     }

 691 
 692     tail(CONTROL_FLOW_ELEMENT);

























 693   }
 694   tail(GRAPH_ELEMENT);
 695   output()->flush();



 696 }
 697 
 698 extern const char *NodeClassNames[];
 699 
 700 outputStream *IdealGraphPrinter::output() {
 701   return _xml;
 702 }
 703 



























































 704 #endif
src/share/vm/opto/idealGraphPrinter.cpp
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