30   // Track which register units have been modified and used.
128   // Track which register units have been modified and used between the first  in findMatchingInst()
148         //  If paired destination register was modified or used, the source reg  in findMatchingInst()
149         //  was modified, there is no possibility of finding matching  in findMatchingInst()
171     // Update modified / used register units.  in findMatchingInst()
180   bool Modified = false;  in mergeMoveSARegPair()  local
204         Modified = true;  in mergeMoveSARegPair()
210   return Modified;  in mergeMoveSARegPair()
223   // Resize the modified and used register unit trackers.  We do this once  in runOnMachineFunction()
228   bool Modified = false;  in runOnMachineFunction()  local
230     Modified |= mergeMoveSARegPair(MBB);  in runOnMachineFunction()
231   return Modified;  in runOnMachineFunction()