unsigned DstReg, unsigned DstSubIdx,
MachineInstr *CopyMI);
+ /// shouldJoinPhys - Return true if a physreg copy should be joined.
+ bool shouldJoinPhys(CoalescerPair &CP);
+
/// isWinToJoinCrossClass - Return true if it's profitable to coalesce
/// two virtual registers from different register classes.
bool isWinToJoinCrossClass(unsigned SrcReg,