[llvm-dev] Debug info for CUDA code

Eric Christopher via llvm-dev llvm-dev at lists.llvm.org
Fri Dec 14 15:45:22 PST 2018


It'll be in within a week :)

On Fri, Dec 14, 2018, 3:08 PM Alexey Bataev <a.bataev at outlook.com> wrote:

> Actually, we need to commit just 2 more patches to enable basic debug info
> support for NVPTX. So, I hope, it is going to be the part of the next 8.0
> release. It won't be backported to 7.0 definitely.
> Sure, I will let you know when the patches are committed to the trunk, no
> problems.
>
> Best regards,
> Alexey Bataev
>
> 14 дек. 2018 г., в 16:55, treinz <treinz at 163.com> написал(а):
>
> Are you planning to release this as soon as it's ready or you want to make
> it into a major release? Is it possible to let me know (maybe by replying
> to this thread) once the code is ready? I know sometimes it takes a while
> to get things in the major release. I greatly appreciate your work on this!
>
> Thanks,
> Char
>
> 在 2018-12-15 05:19:50,"Alexey Bataev" <a.bataev at outlook.com> 写道:
>
> Hi Char, sorry, you need to wait a little bit. It is almost ready, but not
> yet. For now, use nvcc if you need debug info for Cuda.
>
> -------------
> Best regards,
> Alexey Bataev
>
> 14.12.2018 14:33, treinz пишет:
>
> Hi Alex, Eric and Valentin,
>
> Thanks for the information. I don't mean to push this but I'm in desperate
> need of debugging some cuda code. I'm not familiar with the llvm internal
> but it sounds like there's at least line info now, right? If so, can you
> point me to a branch of llvm that can help tracing the bug down to certain
> line of code. I believe my bug is simply a write/read out of array boundary.
>
> Thanks,
> Char
>
> 在 2018-12-05 07:15:28,"Alexey Bataev" <a.bataev at hotmail.com>
> <a.bataev at hotmail.com> 写道:
>
> Hi, yes, these patches are required to have tne basic debug info support.
> At least 2 more patches are required to be able to get values of the
> variables without additional manual data type casting in cuda-gdb.
>
> Best regards,
> Alexey Bataev
>
> 4 дек. 2018 г., в 18:06, Eric Christopher <echristo at gmail.com> написал(а):
>
> Adding Alexey here who has been driving this effort in llvm.
>
> There are about 5 patches waiting on my review:
>
>    -: https://reviews.llvm.org/D54320
>    -: https://reviews.llvm.org/D46189
>    -: https://reviews.llvm.org/D51554
>    -: https://reviews.llvm.org/D46061
>    -: https://reviews.llvm.org/D45784
>
> After which I think we're good.
>
> -eric
>
> On Mon, Dec 3, 2018 at 6:29 PM Valentin Churavy via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> AFAIK there is work under way from IBM (couple of PRs open), but yes
>> Clang 7.0 doesn't produce the necessary information.
>>
>> -V
>>
>> On Fri, Nov 30, 2018, 14:58 treinz via llvm-dev <llvm-dev at lists.llvm.org
>> wrote:
>>
>>> Hi all,
>>> I found this
>>> http://lists.llvm.org/pipermail/llvm-dev/2017-November/118871.html when
>>> googling about compiling CUDA code using llvm. Is it still the case that
>>> one can't step into CUDA kernel code compiled by llvm in cuda-gdb? I'm
>>> using clang 7.0.
>>>
>>> Thanks,
>>> Char
>>>
>>>
>>>
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>
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