With the few changes we agreed during the review this series is:
Reviewed-by: Iago Toral Quiroga
Jason, just in case you didn't follow: this series adds a regioning
lowering pass that will do exactly one of the things you suggested when
we were discussing how to improve handling of hardware rest
These are a number of fixes and clean-ups we've been carrying around
for a while in an internal branch. Most of the fixes are required for
conformance of a future platform, but due to their nature some of them
are likely to affect shipping platforms as well -- Especially the
issues addressed by pa
