[llvm-dev] llvm/cuda: Indentify kernel functions and optimizations

[Jingyue Wu via llvm-dev]

https://github.com/llvm-mirror/llvm/blob/652375a8cc49615de31fd9d424753795059185b6/lib/Target/NVPTX/NVPTXUtilities.h#L58

Does this solve your problem?

On Wed, Dec 21, 2016 at 2:29 PM, Gurunath Kadam via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>
> I am trying to instrument CUDA kernel functions only (llvm-3.9.0).
>
> Is there a way to identify cuda kernel functions?
>
> I see that in llvm IR for CUDA has nvvm annotations section, where kernel
> functions are identified for NVPTX usage. I can parse the whole IR for this
> kernel metadata and then proceed, but this is very clumsy.
>
> Other way is to work with cuda-device-only IR. But then I am not sure how
> to run this cuda-only-IR, as this contains cuda-device specific code and
> not rest of the host-device code.
>
> In NVPTXBaseInfo.h, the function attributes are defined, along
> with PROPERTY_ISKERNEL_FUNCTION. How can this be used to identify the
> kernel function?
>
> Thanks.
>
> -Gurunath
>
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