[LLVMdev] LLVM 3.4rc2 Binaries Now Available

Hal Finkel hfinkel at anl.gov
Wed Dec 11 19:27:03 PST 2013


----- Original Message -----
> From: "Bill Wendling" <isanbard at gmail.com>
> To: "Hal Finkel" <hfinkel at anl.gov>, "Jim Grosbach" <grosbach at apple.com>
> Cc: "Mailing List" <llvmdev at cs.uiuc.edu>
> Sent: Thursday, December 5, 2013 12:46:42 PM
> Subject: Re: [LLVMdev] LLVM 3.4rc2 Binaries Now Available
> 
> 
> 
> +grosbach
> 
> Hi Hal,
> 
> 
> Re (1): Jim is our resident ARM expert. Adding him here.
> 
> 
> Re (2): There are a ton of simple programs that have been reported
> over the last month that are failing at higher levels. It's quite
> disturbing, really. I don't have a lot of time to debug these (it's
> no longer my main job to work on LLVM). I'll try to press people as
> much as possible.

Do we have PRs on these?

 -Hal

> 
> 
> -bw
> 
> 
> 
> On Wed, Dec 4, 2013 at 5:42 AM, Hal Finkel < hfinkel at anl.gov > wrote:
> 
> 
> Bill, et al.,
> 
> FYI, there are currently two issues that I'm tracking that should be
> fixed prior to release:
> 
> 1. PowerPC self-hosting is currently broken(*), triggered by a change
> made to improve if conversion on ARM. There is a patch on the
> commits list that fixes problems seen by self hosting (and, if
> nothing else, that patch should likely go into 3.4), but I don't
> think that any of us are convinced that this is the right solution
> in principle. If you could pin down Evan (who I believe wrote the
> original code in question), or someone else familiar with ARM and if
> conversion, to look at this, I think that would help a lot.
> 
> See the thread, "Re: [llvm] r190309 - [ARMv8] Prevent generation of
> deprecated IT blocks on ARMv8 in Thumb mode." on the llvm-commits
> list.
> 
> 2. There is a set of (fairly simple) C programs in PR16431 that are
> currently miscompiled by Clang/LLVM >= -O2 on x86_64 (both Linux and
> Mac). I've isolated what appear to be the two underlying bugs in
> PR18067 (GVN) and PR18068 (DSE). We need to have these looked at.
> 
> I would appreciate any assistance you could provide.
> 
> Thanks again,
> Hal
> 
> (*) Only when compiling without asserts, which is why the buildbots
> currently miss the problem.
> 
> 
> 
> ----- Original Message -----
> > From: "Bill Wendling" < isanbard at gmail.com >
> > To: "< llvmdev at cs.uiuc.edu > Mailing List" < llvmdev at cs.uiuc.edu >,
> > " cfe-dev at cs.uiuc.edu Developers"
> > < cfe-dev at cs.uiuc.edu >
> > Sent: Wednesday, December 4, 2013 1:22:50 AM
> > Subject: [LLVMdev] LLVM 3.4rc2 Binaries Now Available
> > 
> > The LLVM 3.4rc2 binaries are now available for testing! Please
> > download them and compile and test things. See if it breaks your
> > code! Please file bugs for any issues you encounter. At this point,
> > we’re only accepting fixes for regressions from 3.3.
> > 
> > Share and enjoy!
> > -bw
> > 
> > 
> > _______________________________________________
> > LLVM Developers mailing list
> > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> > 
> 
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
> 
> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory




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