optllvm failures

Austin Seipp austin at well-typed.com
Thu Apr 24 19:05:39 UTC 2014

(And note I base this assumption on the principle that e.g. ARM is
currently working relatively well with the latest versions of LLVM,
where that's the only option for the code generator. But we've had
other bugs exposed here before, or exposed LLVM bugs, so it may just
be whack-a-mole...)

On Thu, Apr 24, 2014 at 2:04 PM, Austin Seipp <austin at well-typed.com> wrote:
> GHC 7.6 did not support LLVM 3.2 - it was only tested with up-to LLVM 3.1.
> The odd version number for LLVM 3.2 was a known problem with their
> tarball, they forgot to remove the 'svn' suffix. This shouldn't be a
> problem for GHC, it should correctly parse the right thing anyway.
> Can you try another LLVM version? LLVM 3.2 has been known to be
> particularly problematic - I believe me and David looked into this a
> while back, and we couldn't get even get the compiler to bootstrap
> with it at one point, let alone figure out what the hell was going on
> (I'll see if I can find the ticket related to this). LLVM 3.3 or LLVM
> 3.4 should work just fine, and you can put them on the front of your
> $PATH before running the testsuite to check this.
> On Thu, Apr 24, 2014 at 1:57 PM, Daniel Fischer
> <daniel.is.fischer at googlemail.com> wrote:
>> On Thursday 24 April 2014, 14:49:18, Carter Schonwald wrote:
>>> What OS? Is this on a vm?
>> Oops, sorry. openSuSE 12.3 (64 bit), nothing virtual.
>>> I7-avx is the instruction family.  I5 will be ok.
>> Okay, then it's probably that what openSuSE calls 3.2 is not what GHC thinks
>> 3.2 is.
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> --
> Regards,
> Austin Seipp, Haskell Consultant
> Well-Typed LLP, http://www.well-typed.com/


Austin Seipp, Haskell Consultant
Well-Typed LLP, http://www.well-typed.com/

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