Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/replacednodes.cpp
src/share/vm/opto/replacednodes.cpp
- changeset 8795
- 3ff8d0b5a04b
- parent 8723
- 9f5da1a1724c
equal
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inserted
replaced
| 8794:a8b80d85ef39 | 8795:3ff8d0b5a04b |
|---|---|
| 89 _replaced_nodes->clear(); | 89 _replaced_nodes->clear(); |
| 90 } | 90 } |
| 91 } | 91 } |
| 92 | 92 |
| 93 // Perfom node replacement (used when returning to caller) | 93 // Perfom node replacement (used when returning to caller) |
| 94 void ReplacedNodes::apply(Node* n) { | 94 void ReplacedNodes::apply(Node* n, uint idx) { |
| 95 if (is_empty()) { | 95 if (is_empty()) { |
| 96 return; | 96 return; |
| 97 } | 97 } |
| 98 for (int i = 0; i < _replaced_nodes->length(); i++) { | 98 for (int i = 0; i < _replaced_nodes->length(); i++) { |
| 99 ReplacedNode replaced = _replaced_nodes->at(i); | 99 ReplacedNode replaced = _replaced_nodes->at(i); |
| 100 n->replace_edge(replaced.initial(), replaced.improved()); | 100 // Only apply if improved node was created in a callee to avoid |
| 101 // issues with irreducible loops in the caller | |
| 102 if (replaced.improved()->_idx >= idx) { | |
| 103 n->replace_edge(replaced.initial(), replaced.improved()); | |
| 104 } | |
| 101 } | 105 } |
| 102 } | 106 } |
| 103 | 107 |
| 104 static void enqueue_use(Node* n, Node* use, Unique_Node_List& work) { | 108 static void enqueue_use(Node* n, Node* use, Unique_Node_List& work) { |
| 105 if (use->is_Phi()) { | 109 if (use->is_Phi()) { |
