Re: JIT compiling with LLVM v12.2

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Re: JIT compiling with LLVM v12.2
Date: 2018-03-20 10:14:55
Message-ID: 20180320101455.ez4wqs45fjab6nme@alap3.anarazel.de
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Hi,

I've pushed a revised and rebased version of my JIT patchset.
The git tree is at
https://git.postgresql.org/git/users/andresfreund/postgres.git
in the jit branch
https://git.postgresql.org/gitweb/?p=users/andresfreund/postgres.git;a=shortlog;h=refs/heads/jit

There's a lot of tiny changes in here:
- doc proofreading, addition of --with-llvm docs
- comments
- pgindent (jit files, not whole tree)
- syncing of order between compiled and interpreted expressions in case
statement
- line-by-line review of expression compliation
- fix of a small memory leak (missing pfree of the JIT context struct
itself)
- slight simplification of JIT resowner integration (no need to
re-associate with parent)

My current plan is to push the first few commits relatively soon, give
the BF a few cycles to shake out. Set up a few BF animals with each
supported LLVM version. Then continue mergin.

Greetings,

Andres Freund

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