[llvm-testresults] Broken buildbot: llvm-gcc-i386-linux-selfhost

Jakob Stoklund Olesen stoklund at 2pi.dk
Wed Sep 29 09:55:25 PDT 2010


On Sep 29, 2010, at 9:48 AM, Duncan Sands wrote:

> Hi Jakub, so far I only managed to narrow it down to the attached file.
> If you compile it with
>  llc -cgp-critical-edge-splitting=false -mcpu=i386
> then llvm-mc doesn't work properly.  If you compile it with
>  llc -cgp-critical-edge-splitting=true -mcpu=i386
> then llvm-mc does work properly.  I tried extracting a couple of likely
> seeming (due to having a close relationship with the failure mode, aka
> "invalid instruction mnemonic") or suspicious looking (due to changes in
> the assembler due to flipping the setting of -cgp-critical-edge-splitting)
> functions, and only using -cgp-critical-edge-splitting=false on them, but
> I was not yet able to reproduce the failure this way.  I also didn't manage
> to get any juice out of bugpoint.  I may take another look later, but for the
> moment I've had enough of working on this :)

Thanks for working on this, Duncan!

I'll try to isolate the bug.

/jakob





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