/// UnusedRegs - A list of physical registers that have not been used.
BitVector UnusedRegs;
+ /// createSpillSlot - Allocate a spill slot for RC from MFI.
+ unsigned createSpillSlot(const TargetRegisterClass *RC);
+
VirtRegMap(const VirtRegMap&); // DO NOT IMPLEMENT
void operator=(const VirtRegMap&); // DO NOT IMPLEMENT