[llvm] r178002 - PowerPC: Simplify BLR pattern.

[Ulrich Weigand]

Bill Schmidt <wschmidt at linux.vnet.ibm.com> wrote on 26.03.2013 14:30:09:

> We're probably going to need a real generic BLR soon enough.  Hal is
> trying to make use of the "blr 20,31,$+4" version of the instruction.
> Right now this is done the same way as the one you have, with explicit
> BO and BI values.  Just a heads-up in case the parser has any trouble
> with it.

Yes, I've marked it as isCodeGenOnly, so that should be OK for now.
A real generic conditional branch would be good at some point, though.

Bye,
Ulrich