[Mesa-dev] [RFC PATCH 00/16] A new IR for Mesa

[Ian Romanick]

On 08/25/2014 06:54 PM, Rob Clark wrote:
> tbh, it sounds a lot to me like if we start using LLVM more
> heavily/widely in mesa we should import LLVM (or at least the parts we
> need) into the mesa src tree.. as it is, the logistical/distro issues
> of LLVM have been what has scared me off the most about using it.

While this is the development model that LLVM expects (and the only one
they support)... Dear god, no!  This would mean that we would have to
take the responsibility for keeping our diverged copy of LLVM in sync
with bug fixes, etc. from upstream.  For a project the size of LLVM, I
can expect that to be a significant amount of work.