()
| 513 | |
| 514 | // If the _hash is set, then the Node is in the GVN table; remove it. |
| 515 | void unlock() { |
| 516 | if( _hash==0 ) return; |
| 517 | Node old = GVN.remove(this); // Pull from table |
| 518 | assert old==this; |
| 519 | _hash=0; // Out of table now |
| 520 | } |
| 521 | |
| 522 | |
| 523 | // Hash of opcode and inputs |