return nullptr;
}
+ /// Return all the call-preserved register masks defined for this target.
+ virtual ArrayRef<const uint32_t *> getRegMasks() const = 0;
+ virtual ArrayRef<const char *> getRegMaskNames() const = 0;
+
/// getReservedRegs - Returns a bitset indexed by physical register number
/// indicating if a register is a special register that has particular uses
/// and should be considered unavailable at all times, e.g. SP, RA. This is