Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/phaseX.hpp
src/share/vm/opto/phaseX.hpp
- changeset 548
- ba764ed4b6f2
- parent 508
- a8880a78d355
- child 631
- d1605aabd0a1
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| 545:a49a647afe9a | 548:ba764ed4b6f2 |
|---|---|
| 381 | 381 |
| 382 //------------------------------PhaseIterGVN----------------------------------- | 382 //------------------------------PhaseIterGVN----------------------------------- |
| 383 // Phase for iteratively performing local, pessimistic GVN-style optimizations. | 383 // Phase for iteratively performing local, pessimistic GVN-style optimizations. |
| 384 // and ideal transformations on the graph. | 384 // and ideal transformations on the graph. |
| 385 class PhaseIterGVN : public PhaseGVN { | 385 class PhaseIterGVN : public PhaseGVN { |
| 386 private: | |
| 387 bool _delay_transform; // When true simply register the node when calling transform | |
| 388 // instead of actually optimizing it | |
| 389 | |
| 386 // Idealize old Node 'n' with respect to its inputs and its value | 390 // Idealize old Node 'n' with respect to its inputs and its value |
| 387 virtual Node *transform_old( Node *a_node ); | 391 virtual Node *transform_old( Node *a_node ); |
| 388 protected: | 392 protected: |
| 389 | 393 |
| 390 // Idealize new Node 'n' with respect to its inputs and its value | 394 // Idealize new Node 'n' with respect to its inputs and its value |
| 444 add_users_to_worklist(old); | 448 add_users_to_worklist(old); |
| 445 hash_delete(old); | 449 hash_delete(old); |
| 446 subsume_node(old, nn); | 450 subsume_node(old, nn); |
| 447 } | 451 } |
| 448 | 452 |
| 453 void set_delay_transform(bool delay) { | |
| 454 _delay_transform = delay; | |
| 455 } | |
| 456 | |
| 449 #ifndef PRODUCT | 457 #ifndef PRODUCT |
| 450 protected: | 458 protected: |
| 451 // Sub-quadratic implementation of VerifyIterativeGVN. | 459 // Sub-quadratic implementation of VerifyIterativeGVN. |
| 452 unsigned long _verify_counter; | 460 unsigned long _verify_counter; |
| 453 unsigned long _verify_full_passes; | 461 unsigned long _verify_full_passes; |
