()
| 530 | |
| 531 | // If the _hash is set, then the Node is in the GVN table; remove it. |
| 532 | void unlock() { |
| 533 | if( _hash==0 ) return; |
| 534 | Node old = GVN.remove(this); // Pull from table |
| 535 | assert old==this; |
| 536 | _hash=0; // Out of table now |
| 537 | } |
| 538 | |
| 539 | |
| 540 | // Hash of opcode and inputs |