[llvm-dev] Question about the status of the IR extensions for OpenMP

[Roger Ferrer Ibáñez via llvm-dev]

Hi,

thanks a lot Johannes.

I have some (hopefully simple) questions about your proposal. I'll
make them in the original thread, instead.

Kind regards,
Roger

2018-06-12 11:17 GMT+02:00 Johannes Doerfert <jdoerfert at anl.gov>:
> Hi Roger,
>
> There are at least two concurrent efforts that work on an IR extension
> similar to what you cite below, one by Intel and one by a researcher
> working group. Afaik, both will approach the community in the next few
> weeks. (And to make sure they'll see your mail I put them all in the
> CC).
>
> In the meantime you could take a look at this proposal [0]. It is not
> an IR extension but an abstraction layer that allows to design and
> test parallel specific analysis and optimizations on both current and
> future parallel representations.
>
> Cheers,
>   Johannes
>
> [0] https://lists.llvm.org/pipermail/llvm-dev/2018-June/123841.html
>
>
> P.S.
>   I realized you saw the proposal already but I didn't want to remove
>   the paragraph about it once I was done.
>
>
> On 06/11, Roger Ferrer Ibáñez via llvm-dev wrote:
>> [Apologies if you received this email twice, the first time I sent it
>> from the wrong email account]
>>
>> Hi all,
>>
>> some time ago Intel proposed a set of minimal IR extensions to improve
>> the support of OpenMP in LLVM [1][2].
>>
>> I wonder if there has been any progress on this and if it is going to
>> be upstreamed.
>>
>> Also the previous proposal[2] and communications to the llvm-dev[3]
>> mention the following spec:
>>
>>   LLVM Intrinsic Function and Metadata String Interface for Directive
>> (or Pragmas) Representation.
>>   Specification Draft v0.9, Intel Corporation, 2016.
>>
>> but I have not been able to find it anywhere (at least via a web
>> search). Is it available somewhere?
>>
>> Thanks a lot,
>> Roger
>>
>> [1] https://dl.acm.org/citation.cfm?id=3148191
>> [2] https://dl.acm.org/citation.cfm?id=3018872
>> [3] http://lists.llvm.org/pipermail/llvm-dev/2017-January/108906.html
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>
> --
>
> Johannes Doerfert
> PhD Student / Researcher
>
> Compiler Design Lab (Professor Hack) / Argonne National Laboratory
> Saarland Informatics Campus, Germany / Lemont, IL 60439, USA
> Building E1.3, Room 4.31
>
> Tel. +49 (0)681 302-57521 : doerfert at cs.uni-saarland.de / jdoerfert at anl.gov
> Fax. +49 (0)681 302-3065  : http://www.cdl.uni-saarland.de/people/doerfert



-- 
Roger Ferrer Ibáñez