()
| 509 | |
| 510 | // If the _hash is set, then the Node is in the GVN table; remove it. |
| 511 | void unlock() { |
| 512 | if( _hash==0 ) return; |
| 513 | Node old = GVN.remove(this); // Pull from table |
| 514 | assert old==this; |
| 515 | _hash=0; // Out of table now |
| 516 | } |
| 517 | |
| 518 | |
| 519 | // Hash of opcode and inputs |