Mercurial > hg > graal-jvmci-8
comparison src/share/vm/opto/postaloc.cpp @ 22821:93c6b977591b
8071302: assert(!_reg_node[reg_lo] || edge_from_to(_reg_node[reg_lo], def)) failed: after block local
Summary: Add merge nodes to node to block mapping
Reviewed-by: kvn, vlivanov
| author | iveresov |
|---|---|
| date | Thu, 22 Jan 2015 11:25:23 -0800 |
| parents | 9df0d8f65fea |
| children | dd9cc155639c |
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| 22820:4011ee1230e3 | 22821:93c6b977591b |
|---|---|
| 426 merge = new (C) MachMergeNode(def); | 426 merge = new (C) MachMergeNode(def); |
| 427 | 427 |
| 428 // Insert the merge node into the block before the first use. | 428 // Insert the merge node into the block before the first use. |
| 429 uint use_index = block->find_node(reg2defuse.at(reg).first_use()); | 429 uint use_index = block->find_node(reg2defuse.at(reg).first_use()); |
| 430 block->insert_node(merge, use_index++); | 430 block->insert_node(merge, use_index++); |
| 431 _cfg.map_node_to_block(merge, block); | |
| 431 | 432 |
| 432 // Let the allocator know about the new node, use the same lrg | 433 // Let the allocator know about the new node, use the same lrg |
| 433 _lrg_map.extend(merge->_idx, lrg); | 434 _lrg_map.extend(merge->_idx, lrg); |
| 434 blk_adjust++; | 435 blk_adjust++; |
| 435 | 436 |