Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/phaseX.cpp
src/share/vm/opto/phaseX.cpp
- changeset 8945
- 3b6372514697
- parent 8940
- eb9e617d6f64
- child 9013
- 18366fa39fe0
equal
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inserted
replaced
| 8944:072770c9a6b9 | 8945:3b6372514697 |
|---|---|
| 479 | 479 |
| 480 // Iterate over the set of live nodes. | 480 // Iterate over the set of live nodes. |
| 481 uint current_idx = 0; // The current new node ID. Incremented after every assignment. | 481 uint current_idx = 0; // The current new node ID. Incremented after every assignment. |
| 482 for (uint i = 0; i < _useful.size(); i++) { | 482 for (uint i = 0; i < _useful.size(); i++) { |
| 483 Node* n = _useful.at(i); | 483 Node* n = _useful.at(i); |
| 484 // Sanity check that fails if we ever decide to execute this phase after EA | |
| 485 assert(!n->is_Phi() || n->as_Phi()->inst_mem_id() == -1, "should not be linked to data Phi"); | |
| 484 const Type* type = gvn->type_or_null(n); | 486 const Type* type = gvn->type_or_null(n); |
| 485 new_type_array.map(current_idx, type); | 487 new_type_array.map(current_idx, type); |
| 486 | 488 |
| 487 bool in_worklist = false; | 489 bool in_worklist = false; |
| 488 if (worklist->member(n)) { | 490 if (worklist->member(n)) { |
| 1376 hash_find_insert(use); | 1378 hash_find_insert(use); |
| 1377 } | 1379 } |
| 1378 i -= num_edges; // we deleted 1 or more copies of this edge | 1380 i -= num_edges; // we deleted 1 or more copies of this edge |
| 1379 } | 1381 } |
| 1380 | 1382 |
| 1383 // Search for instance field data PhiNodes in the same region pointing to the old | |
| 1384 // memory PhiNode and update their instance memory ids to point to the new node. | |
| 1385 if (old->is_Phi() && old->as_Phi()->type()->has_memory() && old->in(0) != NULL) { | |
| 1386 Node* region = old->in(0); | |
| 1387 for (DUIterator_Fast imax, i = region->fast_outs(imax); i < imax; i++) { | |
| 1388 PhiNode* phi = region->fast_out(i)->isa_Phi(); | |
| 1389 if (phi != NULL && phi->inst_mem_id() == (int)old->_idx) { | |
| 1390 phi->set_inst_mem_id((int)nn->_idx); | |
| 1391 } | |
| 1392 } | |
| 1393 } | |
| 1394 | |
| 1381 // Smash all inputs to 'old', isolating him completely | 1395 // Smash all inputs to 'old', isolating him completely |
| 1382 Node *temp = new (C) Node(1); | 1396 Node *temp = new (C) Node(1); |
| 1383 temp->init_req(0,nn); // Add a use to nn to prevent him from dying | 1397 temp->init_req(0,nn); // Add a use to nn to prevent him from dying |
| 1384 remove_dead_node( old ); | 1398 remove_dead_node( old ); |
| 1385 temp->del_req(0); // Yank bogus edge | 1399 temp->del_req(0); // Yank bogus edge |
