does llvm 16 work with ghc 9.6.1 ?

[George Colpitts]

the bug for this is https://gitlab.haskell.org/ghc/ghc/-/issues/22954

On Tue, Apr 25, 2023 at 10:54 AM George Colpitts <george.colpitts at gmail.com>
wrote:

> Thanks Moritz. I went ahead and tried it. On a very simple smoke test I
> observed that "-fllvm works" but "-O2 -fllvm" does not. It fails with
> "Cannot use -O# with legacy PM.". There is already a bug for changing ghc
> to work with the new pass manager. It wasn't clear to me that this would be
> needed for llvm 16. It seems that it is.
>
> Cheers
> George
>
>
>
>
> On Mon, Apr 24, 2023 at 10:02 PM Moritz Angermann <
> moritz.angermann at gmail.com> wrote:
>
>> Hi George,
>>
>> while I personally haven’t tried. I’d encourage you to just try. Unless
>> they changed their textual IR (they don’t do that often anymore), it could
>> just work.
>>
>> Whether or not you run into bugs for the specific target you are looking
>> at, is hard to say without knowing the target.
>>
>> My suggestion would be to just try building your configuration with the
>> llvm backend against llvm16, and run validate if you can.
>>
>> Cheers,
>>   Moritz
>>
>> On Tue, 25 Apr 2023 at 4:50 AM, George Colpitts <
>> george.colpitts at gmail.com> wrote:
>>
>>> Hi
>>>
>>> Does anybody know if  llvm 16 works with ghc 9.6.1 ?
>>>
>>> Thanks
>>> George
>>>
>>> _______________________________________________
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>>> ghc-devs at haskell.org
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>>>
>>
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