[Mesa-dev] [PATCH 12/12] clover: remove pre LLVM 5.0 codepaths

[Dylan Baker]

Quoting Jan Vesely (2018-10-31 11:37:19)
> On Wed, 2018-10-31 at 11:22 -0700, Francisco Jerez wrote:
> > I don't object removing the pre-LLVM 5.0 paths, nor keeping them around
> > in order to make r600 happy.  What would it take to forward-port the
> > r600 image support code to more recent LLVM versions?
> 
> Converting the llvm pass to the new style of metadata passing and
> updating libclc builtins.
> There are things higher on my priority list wrt clover/libclc (fixing
> rounding routines,
>
> replacing the build system,

Do you have a build system in mind? I started doing a meson port for wrap
purposes at one point, I could push it somewhere public if that interests you.

> adding support for
> buffer sharing between devices). it will take some time unless someone
> else volunteers.
> 
> Jan
> 
> > 
> > Jan Vesely <jan.vesely at rutgers.edu> writes:
> > 
> > > On Wed, 2018-10-31 at 17:02 +0000, Emil Velikov wrote:
> > > > On Wed, 31 Oct 2018 at 15:57, Jan Vesely <jan.vesely at rutgers.edu> wrote:
> > > > > On Wed, 2018-10-31 at 13:30 +0000, Emil Velikov wrote:
> > > > > > From: Emil Velikov <emil.velikov at collabora.com>
> > > > > > 
> > > > > > LLVM versions earlier than 5.0.1 are no longer supported.
> > > > > 
> > > > > I'd prefer to keep llvm-3.9, since it's the last version that supports
> > > > > images for r600, but I'd leave the final decision to Francisco.
> > > > > 
> > > > Was it just image support that was dropped or all of r600?
> > > > I take it there's not enough interest/manpower to address that?
> > > > 
> > > > I'm curious how are you building/managing things:
> > > >  - full build with LLVM 3.9
> > > >  - r600 build with LLVM 3.9, and another for $other component using newer LLVM
> > > >  - other
> > > 
> > > I build only clover+r600, mostly to occasionally check that libclc
> > > still works as expected. I don't expect mixing of LLVM versions to work
> > > (although with versioned symbols it should).
> > > I can always fall back to older mesa release for this, but building
> > > from one source is nice, feel free to go ahead with Francisco's ack.
> > > 
> > > Jan
> > > 
> > > > If really needed, we could keep 3.9 solely for r600 and use 5.0.1+ elsewhere.
> > > > Considering LLVM 3.9 isn't getting new updates with last one being in
> > > > Sep 2016 we are seriously clinging to straws.
> > > > 
> > > > Thanks
> > > > Emil
> > > 
> > > -- 
> > > Jan Vesely <jan.vesely at rutgers.edu>
> 
> 
> 
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