[llvm-commits] [patch] Mostly mechanical removal of getPhysicalRegisterRegClass.patch

[Rafael Espindola]

The attached patch is a bit ugly and evil, but is mostly a test that
we can remove getPhysicalRegisterRegClass. It might actually be the
lesser of two evils :-)

The part that is ugly in it is that in some cases we compare register
classes, but the register itself is not a hard register. In such cases
we cannot use RC.contains(foo). That is why I added hasSubClassOrIs.

I am mostly looking for suggestions on how to clean this up so that it
can be committed.

Cheers,
-- 
Rafael Ávila de Espíndola
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