[LLVMdev] Sparse and LLVM

Chris Li sparse at chrisli.org
Wed Dec 27 03:15:33 PST 2006

It is on my todo list, I even have some half baked patches try to do

Converting from sparse linearized code to llvm byte code should
be very straight forward. Like llvm, the sparse pesudo stay in SSA
from. The only tricky part is GEP, sparse convert member deference
to ptr + constant + type cast on the symbol expand stage. Even before
linearization. It is still doable by guesting the type plus offset. I have
some idea how to preserve that information in sparse but I haven't complete

If you try to write a sparse to llvm byte code converter, please start
from the linearized instructions. It will save you a lot of work.


On 12/27/06, Sanghyeon Seo <sanxiyn at gmail.com> wrote:
> I can't be the first person to think of this, can I? But I couldn't
> locate any reference on this combination. If you know of one, please
> tell me.
> Sparse: http://kernel.org/pub/linux/kernel/people/josh/sparse/
> LLVM: http://llvm.org/
> So, you may expect compile-llvm.c in a few days. :)
> --
> Seo Sanghyeon
> -
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