Re: [9fans] LLVM for plan 9?

[David Leimbach <leimy2k@gmail.com>]

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On Tue, Aug 31, 2010 at 2:52 PM, Bakul Shah
<bakul+plan9@bitblocks.com<bakul%2Bplan9@bitblocks.com>
> wrote:

> On Tue, 31 Aug 2010 14:03:41 PDT David Leimbach <leimy2k@gmail.com>
> > On Tue, Aug 31, 2010 at 1:59 PM, Ori Bernstein <ori@eigenstate.org>
> wrote:
> >
> > > LLVM is written in C++, so you'd need C++ support on plan 9 first.
> Probably
> > > the easiest way to do that would be to add support for plan 9 binaries
> to
> > > clang, and cross-compile llvm for plan 9 with itself.
> > >
> > >
> > Yep.  I was thinking a cross compile of clang to Plan 9 would be the
> > starting point once LLVM is self-hosting (Is it?)
>
> You can do this:
>
> $ clang -c -emit-llvm foo.c -o foo.bc   # llvm format output
> $ llc -march=c foo.bc -o bar.c          # C output
>
> No idea if the resulting .c file is compilable with plan9 C!
> For a real port you'd need to add plan9 a.out format support
> to llvm. Or add ELF support to plan9 :-)
>
> > Likewise.  In the meantime it'd be nice to be able to build even just a
> > cross compiler to target Plan 9 :-).
>
> I am interested.
>
>
I hadn't thought about that... interesting.

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