Re: pgsql: Track LLVM 15 changes.

From: Andres Freund <andres(at)anarazel(dot)de>
To: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Thomas Munro <tmunro(at)postgresql(dot)org>, pgsql-committers <pgsql-committers(at)lists(dot)postgresql(dot)org>
Subject: Re: pgsql: Track LLVM 15 changes.
Date: 2022-02-15 22:41:23
Message-ID: 20220215224123.fx2mxkvlbvhk7377@alap3.anarazel.de
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Hi,

On 2022-02-16 09:18:53 +1300, Thomas Munro wrote:
> Yeah I mentioned this problem in the other thread. I got as far as
> finding this write-up:
>
> https://llvm.org/docs/OpaquePointers.html

Given that major parts of llvm (clang alone contains ~1k references) aren't
yet transitioned, I wonder if should silence them for now?

> I haven't yet tried to work out what we really need to do, but I'm
> planning to try. Possibly requires a bit more book keeping on our
> part, since eg LLVMGetElementType() is going away.

I can't yet really tell whether it'll be simpler because pointer types aren't
a thing anymore, or harder because the llvmjit_types.c mechanism won't work
well anymore.

Greetings,

Andres Freund

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