Proposal: Improving the LLVM backend by packaging it

[Ben Gamari]

David Terei <d at davidterei.com> writes:

> Late to the conversation sorry.
>
> I think this sounds like a good plan. Given we are planning to stick
> with a vanilla LLVM but just fix the version, it seems it should make
> it reasonable to have distro’s support this. We can provide binaries
> easily, but also just a declaration that llvm-3.4 is the current
> supported version, so please package that and tell GHC where to find
> it.

Agreed.

> We already do this in a weak way by checking which version of LLVM the
> user is using and issuing a warning when it’s one we don’t support.
>
> The other aspect that would be very useful is if all the build
> machines tested with LLVM as well. It’s a lot of work to support LLVM
> across all the platforms we support and to track changes across both
> communities. Automated testing of the currently supported LLVM version
> and LLVM-HEAD would be great.

Absolutely, this would be amazing. I generally don't find out
about regressions due to LLVM until I have time to build and test a
snapshot which doesn't happen nearly as often as I would like.

Cheers,

- Ben
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 472 bytes
Desc: not available
URL: <http://www.haskell.org/pipermail/ghc-devs/attachments/20141128/cd20d9c1/attachment.sig>