From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
---|---|
To: | Michael Paquier <michael(at)paquier(dot)xyz> |
Cc: | Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org> |
Subject: | Re: LLVM jit and matview |
Date: | 2018-07-25 12:59:20 |
Message-ID: | CA+q6zcVFD9601Bfo43dPtLOtWHTYt7A5NqNcsRUMzZX64dBO3A@mail.gmail.com |
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Lists: | pgsql-bugs pgsql-hackers |
> On Wed, 25 Jul 2018 at 07:49, Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> On Tue, Jul 24, 2018 at 07:49:56PM -0700, Andres Freund wrote:
> > FWIW, this doesn't crash for me, using a trunk checkout for LLVM. I'll
> > try older ones, as soon as they finish rebuilding. But perhaps you could
> > re-verify that this still is an issue on recent PG checkouts? And which
> > version of LLVM are you guys using?
>
> One of your recent fixes has visibly taken take of the issue (I am too
> lazy to check which one). I am using llvm 6.0 with Debian SID as far as
> I know, configure links to stuff in /usr/lib/llvm-6.0/.
Looks like I still can reproduce it on the current head 167075be3ab. I was using
LLVM 5.0 package, but will try reproduce on the LLVM master branch as soon
as compilation will be finished (apparently, I need to rebuild it with
LLVM_USE_PERF, otherwise Postgres complains about undefined symbol:
LLVMCreatePerfJITEventListener).
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