llvm dev - Apr 2018 - Need guidance to work on NEW PASS managers bugs

Hello LLVM-Devs,

I am trying to get some starting points for working on following new pass
manager related bugs:

https://bugs.llvm.org/show_bug.cgi?id=28322 [PM] Remove use of old PM in
the middle-end.

https://bugs.llvm.org/show_bug.cgi?id=28323 [PM] Use new PM in production
for Clang, LLD, libLTO, etc. middle-end
https://bugs.llvm.org/show_bug.cgi?id=28321 [PM] Remove use of old PM in
the backend

I read related code but did not get a good starting point.
Can someone guide me through this? Can we add more details to these bugs?
Or can we further divide these bugs to smaller workable items?

Any help will be appreciated.

Thanks,
Vivek
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Hi Vivek,

Have you read the mailing list threads on this topic? I don’t believe we’re
quite ready to make the switch yet. There was a discussion last October about
what was left to be done. I’m sure it has been discussed since then too. Here’s
a link to the start of the October discussion.

http://lists.llvm.org/pipermail/llvm-dev/2017-October/118280.html

If you’d like to get involved, one possible area you could contribute is adding
optbisect/optnone support as mentioned in this bug:

https://bugs.llvm.org/show_bug.cgi?id=28316

If that looks like something you’re interested in I can offer some guidance with
it.

Thanks,
Andy

From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of vivek
pandya via llvm-dev
Sent: Saturday, April 28, 2018 9:23 AM
To: llvm-dev <llvm-dev at lists.llvm.org>
Subject: [llvm-dev] Need guidance to work on NEW PASS managers bugs

Hello LLVM-Devs,

I am trying to get some starting points for working on following new pass
manager related bugs:

https://bugs.llvm.org/show_bug.cgi?id=28322 [PM] Remove use of old PM in the
middle-end.

https://bugs.llvm.org/show_bug.cgi?id=28323 [PM] Use new PM in production for
Clang, LLD, libLTO, etc. middle-end
https://bugs.llvm.org/show_bug.cgi?id=28321 [PM] Remove use of old PM in the
backend

I read related code but did not get a good starting point.
Can someone guide me through this? Can we add more details to these bugs? Or can
we further divide these bugs to smaller workable items?

Any help will be appreciated.

Thanks,
Vivek
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On Tue, May 1, 2018 at 10:52 PM, Kaylor, Andrew <andrew.kaylor at
intel.com>
wrote:
> Hi Vivek,
>
>
>
> Have you read the mailing list threads on this topic? I don’t believe
> we’re quite ready to make the switch yet. There was a discussion last
> October about what was left to be done. I’m sure it has been discussed
> since then too. Here’s a link to the start of the October discussion.
>
>
>
> http://lists.llvm.org/pipermail/llvm-dev/2017-October/118280.html
>
Yes I have gone through that mail chain. One thing mentioned in that was
Code Generation does not use new PM so I wanted to start working in that
direction.
>
>
> If you’d like to get involved, one possible area you could contribute is
> adding optbisect/optnone support as mentioned in this bug:
>
>
>
> https://bugs.llvm.org/show_bug.cgi?id=28316
>
>
>
> If that looks like something you’re interested in I can offer some
> guidance with it.
>
Sure I am happy to work on it. Could you please update the bug with your
thoughts on how that needs to be done?

-Vivek
>
>
> Thanks,
>
> Andy
>
>
>
> *From:* llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of
*vivek
> pandya via llvm-dev
> *Sent:* Saturday, April 28, 2018 9:23 AM
> *To:* llvm-dev <llvm-dev at lists.llvm.org>
> *Subject:* [llvm-dev] Need guidance to work on NEW PASS managers bugs
>
>
>
> Hello LLVM-Devs,
>
>
>
> I am trying to get some starting points for working on following new pass
> manager related bugs:
>
>
>
> https://bugs.llvm.org/show_bug.cgi?id=28322 [PM] Remove use of old PM in
> the middle-end.
>
>
>
> https://bugs.llvm.org/show_bug.cgi?id=28323 [PM] Use new PM in production
> for Clang, LLD, libLTO, etc. middle-end
>
> https://bugs.llvm.org/show_bug.cgi?id=28321 [PM] Remove use of old PM in
> the backend
>
>
>
> I read related code but did not get a good starting point.
>
> Can someone guide me through this? Can we add more details to these bugs?
> Or can we further divide these bugs to smaller workable items?
>
>
>
> Any help will be appreciated.
>
>
>
> Thanks,
>
> Vivek
>
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