Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/loopTransform.cpp
src/share/vm/opto/loopTransform.cpp
- changeset 8777
- 09d0d56ca735
- parent 8504
- a96cf90239c6
- child 8856
- ac27a9c85bea
- child 9610
- f43f77de876a
equal
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inserted
replaced
| 8776:4a575a49e938 | 8777:09d0d56ca735 |
|---|---|
| 2712 Node* offset = NULL; | 2712 Node* offset = NULL; |
| 2713 if (!match_fill_loop(lpt, store, store_value, shift, offset)) { | 2713 if (!match_fill_loop(lpt, store, store_value, shift, offset)) { |
| 2714 return false; | 2714 return false; |
| 2715 } | 2715 } |
| 2716 | 2716 |
| 2717 Node* exit = head->loopexit()->proj_out(0); | |
| 2718 if (exit == NULL) { | |
| 2719 return false; | |
| 2720 } | |
| 2721 | |
| 2717 #ifndef PRODUCT | 2722 #ifndef PRODUCT |
| 2718 if (TraceLoopOpts) { | 2723 if (TraceLoopOpts) { |
| 2719 tty->print("ArrayFill "); | 2724 tty->print("ArrayFill "); |
| 2720 lpt->dump_head(); | 2725 lpt->dump_head(); |
| 2721 } | 2726 } |
| 2829 } | 2834 } |
| 2830 } | 2835 } |
| 2831 */ | 2836 */ |
| 2832 | 2837 |
| 2833 // Redirect the old control and memory edges that are outside the loop. | 2838 // Redirect the old control and memory edges that are outside the loop. |
| 2834 Node* exit = head->loopexit()->proj_out(0); | |
| 2835 // Sometimes the memory phi of the head is used as the outgoing | 2839 // Sometimes the memory phi of the head is used as the outgoing |
| 2836 // state of the loop. It's safe in this case to replace it with the | 2840 // state of the loop. It's safe in this case to replace it with the |
| 2837 // result_mem. | 2841 // result_mem. |
| 2838 _igvn.replace_node(store->in(MemNode::Memory), result_mem); | 2842 _igvn.replace_node(store->in(MemNode::Memory), result_mem); |
| 2839 lazy_replace(exit, result_ctrl); | 2843 lazy_replace(exit, result_ctrl); |
