[llvm-dev] Does LLVM accept using python to generate files (*.td, *.inc) in compiler build process?

[Zakk via llvm-dev]

Min-Yih Hsu <minyihh at uci.edu> 於 2021年1月4日 週一 下午3:03寫道：

> It seems that you can write a custom TableGen backend (
> https://llvm.org/docs/TableGen/BackGuide.html ) to achieve your task. I
> don’t think LLVM/Clang accepts or has any plan using python script to
> generate header files from TG files.
>
>
Yes, I think my work can be handled in custom TableGen backend.

Also, can you elaborate why existing TG backends, especially those used for
> generating builtins, can’t solve your problems? Is it possible to adapt
> your .td files to leverage existing TG backends?
>
>
I agree with your opinion. It makes sense to me.
I'm asking that just because we only have python solution now.

Thanks for your opinion.


> -Min
>
> On Jan 3, 2021, at 10:47 PM, Zakk via llvm-dev <llvm-dev at lists.llvm.org>
> wrote:
>
> Hi all,
>
> In our downstream clang build process, we use python script to generate
> Builtins*.td, *.BuiltinCodegen.inc and C header. (it's similar to
> https://repo.hca.bsc.es/gitlab/rferrer/llvm-epi/-/blob/EPI/clang/include/clang/Basic/CMakeLists.txt#L97-110
> )
>
> It's a different way like ARM did (create a new option in clang-tblgen
> (C++ code) and generate corresponding files.)
>
> We are planning to upstream this part and wondering if it's necessary to
> rewrite generator with C++ code.
>
> --
> Best regards,
> Kuan-Hsu
>
>
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>

-- 
Best regards,
Kuan-Hsu
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