[llvm-dev] PowerPC Compiler Crash
Jinsong Ji via llvm-dev
llvm-dev at lists.llvm.org
Tue Sep 3 05:59:10 PDT 2019
Hi Nandor:
I think I did not imply that admin will update the GCC version.
I believe the admin will *handle* it as usual bb problems, eg:
first, trying to reproduce and understand what causes the ICE.
then see what is the best solution to it.
Admin might or might not update the GCC version, it depends on the problem
itself.
But he/she will keep the loop updated once the investigation is done.
Best,
Jinsong Ji (纪金松), PhD.
XL/LLVM on Power Compiler Development
E-mail: jji at us.ibm.com
From: Nandor Licker <licker.nandor at gmail.com>
To: Jinsong Ji <jji at us.ibm.com>
Cc: Nicholas Krause <xerofoify at gmail.com>,
"llvm-dev at lists.llvm.org" <llvm-dev at lists.llvm.org>, llvm-dev
<llvm-dev-bounces at lists.llvm.org>, "powerllvm at ca.ibm.com"
<powerllvm at ca.ibm.com>
Date: 09/03/2019 06:04 AM
Subject: [EXTERNAL] Re: [llvm-dev] PowerPC Compiler Crash
Hello,
Am I to understand that the version of GCC on the bot will be updated?
When would it be a good time for me to commit the patch again?
Thank you,
Nandor Licker
On 02/09/2019, Jinsong Ji via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> Hi Nicholas,
>
> The admin of the buildbot is aware of this, will handle it after long
> weekend. Thanks.
>
>
> Best,
>
> Jinsong Ji (纪金松), PhD.
>
> XL/LLVM on Power Compiler Development
> E-mail: jji at us.ibm.com
>
>
>
> From: Nicholas Krause <xerofoify at gmail.com>
> To: Jinsong Ji <jji at us.ibm.com>, "Finkel, Hal J."
<hfinkel at anl.gov>
> Cc: "llvm-dev at lists.llvm.org" <llvm-dev at lists.llvm.org>, llvm-dev
> <llvm-dev-bounces at lists.llvm.org>, "powerllvm at ca.ibm.com"
> <powerllvm at ca.ibm.com>
> Date: 09/01/2019 04:22 PM
> Subject: [EXTERNAL] Re: [llvm-dev] PowerPC Compiler Crash
>
>
>
>
>
>
> On 9/1/19 3:39 PM, Jinsong Ji via llvm-dev wrote:
> -- The C compiler identification is GNU 7.3.1
> -- The CXX compiler identification is GNU 7.3.1
>
> According to buildbot log here
>
>
https://urldefense.proofpoint.com/v2/url?u=http-3A__lab.llvm.org-3A8011_builders_clang-2Dppc64be-2Dlinux_builds_37730_steps_cmake-2520stage-25201_logs_stdio&d=DwIFaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=DvnnfavFQBGT2CDyHzTr_Q&m=TNstS5TbEj7ogokVvNjH6cM2-VF59pUV7P4dqrE7BdM&s=dCvl2KQDtuzHA-QHL9i_a4y6bj8WXgxkG9VDnESBlKA&e=
>
> for Simon's example ICE.
>
>
>
> Best,
>
> Jinsong Ji (纪金松), PhD.
>
>
> Greetings,
>
>
> That version of gcc seems to be outdated now. For that major version its
>
>
> on 7.4 now so you may want to try that to see if its already been fixed
>
>
> as a regression. If not thats considered a serious regression and should
>
>
> be reported. If Finkel can also send me a log of the build utput I can
>
>
> probably tell him how to get a trace but its a little hard to tell
without
>
>
> that.
>
>
> Regards,
>
>
> Nick
>
>
>
>
> XL/LLVM on Power Compiler Development
> E-mail: jji at us.ibm.com
>
>
>
> From: "Finkel, Hal J. via llvm-dev"
<llvm-dev at lists.llvm.org>
> To: Simon Pilgrim <llvm-dev at redking.me.uk>,
> "llvm-dev at lists.llvm.org" <llvm-dev at lists.llvm.org>,
> "powerllvm at ca.ibm.com" <powerllvm at ca.ibm.com>
> Date: 09/01/2019 11:04 AM
> Subject: [EXTERNAL] Re: [llvm-dev] PowerPC
Compiler Crash
> Sent by: "llvm-dev"
<llvm-dev-bounces at lists.llvm.org>
>
>
>
> The log says "c++: internal compiler error: Killed (program
cc1plus)"
> -
> so that looks like a GCC ICE. Do we know what version of GCC that
bot
> is
> running?
>
> -Hal
>
> On 9/1/19 6:11 AM, Simon Pilgrim via llvm-dev wrote:
>
>
>
>
>
https://urldefense.proofpoint.com/v2/url?u=http-3A__lab.llvm.org-3A8011_builders_clang-2Dppc64be-2Dlinux_builds_37730_&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=DvnnfavFQBGT2CDyHzTr_Q&m=aNM8caPcGT7a_JHLZdYg5lruqcqw-FPR098fC46tP5o&s=8LWCCwWQfyrp--knjmyWaFZ9TScm_HlJBu1Yb10iBEY&e=
>
> is
>
> an example of the ICE when D64146/rL370584 landed.
>
> On 01/09/2019 02:23, Florian Hahn via llvm-dev wrote:
>
> Hi,
>
>
> On Aug 31, 2019, at 15:14, Nandor Licker via
> llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
>
> Hello PowerPC fans,
>
> I am attempting to land D64146 and the PowerPC
bots
> crash with an
> internal compiler error. Can anyone help me to
> reproduce the crash
> or obtain a stack trace somehow?
>
>
> I think a link to the failing build would be helpful.
>
> Cheers
> Florian
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> --
> Hal Finkel
> Lead, Compiler Technology and Programming Languages
> Leadership Computing Facility
> Argonne National Laboratory
>
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