[llvm-commits] Make getPhysicalRegisterRegClass non virtual

[Rafael Espindola]

With the recent changes to how copies are handled, we no longer need
to tweak getPhysicalRegisterRegClass for Thumb or Blackfin. The
attached patch makes it non-virtual and removes the target specific
implementations.

Cheers,
-- 
Rafael Ávila de Espíndola
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