+ /// Remove value numbers and related live segments starting at position
+ /// @p Pos that are part of any liverange of physical register @p Reg or one
+ /// of its subregisters.
+ void removePhysRegDefAt(unsigned Reg, SlotIndex Pos);
+
+ /// Remove value number and related live segments of @p LI and its subranges
+ /// that start at position @p Pos.
+ void removeVRegDefAt(LiveInterval &LI, SlotIndex Pos);
+