Re: LLVM 16 (opaque pointers)

Andres Freund <andres@anarazel.de>

From: Andres Freund <andres@anarazel.de>

To: Ronan Dunklau <ronan.dunklau@aiven.io>

Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Thomas Munro <thomas.munro@gmail.com>

Date: 2023-08-11T17:59:31Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

jit: Adjust back-patch of f90b4a84 to 12 and 13.
- 9ad98627614b 12.17 landed
- 7c070e224c4a 13.13 landed
Log LLVM library version in configure output.
- 0a6e2c7f8694 11.22 landed
- 527e62a5e5d7 12.17 landed
- a13b63c788a3 13.13 landed
- 03e749c2b89e 14.10 landed
- 0e49e23782c5 15.5 landed
- 3b0f20f6ce14 16.1 landed
- 5e4dacb9878c 17.0 landed
jit: Changes for LLVM 17.
- 7da915e33abf 12.17 landed
- 53c4dabe18d3 13.13 landed
- 0a8b7d5c1126 14.10 landed
- b60e3ac7603d 15.5 landed
- 774185056834 16.1 landed
- 76200e5ee469 17.0 landed
jit: Supply LLVMGlobalGetValueType() for LLVM < 8.
- 60596f148a66 16.1 landed
- d701f0d1f3e7 12.17 landed
- 981292c19f38 13.13 landed
- ee3e4c41f354 14.10 landed
- b2e097788663 15.5 landed
- f90b4a846b32 17.0 landed
jit: Support opaque pointers in LLVM 16.
- 15ddc9725eb7 12.17 landed
- f28956b239f1 13.13 landed
- 82d9a782a296 14.10 landed
- eed1feb3fee1 15.5 landed
- 74d19ec096df 16.1 landed
- 37d5babb5cfa 17.0 landed
jit: Reference function pointer types via llvmjit_types.c.
- df99ddc70b97 14.0 cited

Hi,

On 2023-08-10 16:56:54 +0200, Ronan Dunklau wrote:
> I tried my hand at backporting it to previous versions, and not knowing
> anything about it made me indeed question my sanity.  It's quite easy for PG
> 15, 14, 13. PG 12 is nothing insurmontable either, but PG 11 is a bit hairier
> most notably due to to the change in fcinfo args representation. But I guess
> that's also a topic for another day :-)

Given that 11 is about to be EOL, I don't think it's worth spending the time
to support a new LLVM version for it.

Greetings,

Andres Freund