[llvm-commits] [llvm] r133708 - in /llvm/trunk: include/llvm/ include/llvm/Support/ lib/MC/ lib/Target/CppBackend/ lib/Transforms/Scalar/ lib/Transforms/Utils/ lib/VMCore/
Francois Pichet
pichet2000 at gmail.com
Sun Jun 26 20:46:49 PDT 2011
On Sun, Jun 26, 2011 at 11:31 PM, NAKAMURA Takumi <geek4civic at gmail.com> wrote:
> Cameron and Jay,
>
> FYI, it was so weird for me too.
> I have not met the failure on llvm/test, but I got sometimes
> clang/CodeGen failed.
>
> As far as my investigation;
>
> - I can see hangup only with "Release" build.
> - I could not reproduce with single-run of the test, (I had to run
> entire clang/test/CodeGen then)
> - It might depend on link order, for example, to tweak
> TARGETS_TO_BUILD, it appeared and disappeared. XD
> - When I saw hangup, it could be resolved to revert r133708. (and
> reprod to reapply it)
> (I found it with bisect-ing)
> - I cannot meet it on ToT, apparently fine. (sigh...)
It still happens to me on ToT all the time in release mode. clang is
stuck at 25% CPU utilization (I have a quadcore) on test
CodeGen/vla.c.. I have to manually kill clang for the test run to
finish.
reverting r133708 fixes the problem.
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