[LLVMdev] Help turn the vectorizer bot green

[Hal Finkel]

The vectorizer buildbot currently shows 4 miscompiles:
http://lab.llvm.org:8011/builders/clang-x86_64-darwin10-nt-O3-vectorize/builds/1727/steps/lnt.nightly-test/logs/tests.FAIL

MultiSource/Applications/oggenc/oggenc.execution_time
MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000.execution_time
MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset.execution_time
MultiSource/Benchmarks/Olden/power/power.execution_time

I had looked at the first one (oggenc) a couple of weeks ago, and because there is only one significant source file, it was straightforward to bugpoint the problem. It turns out that it was a codegen problem that had nothing to do with vectorization at all (see http://llvm.org/bugs/show_bug.cgi?id=14231)

I've yet to examine the others in detail, but I suspect CodeGen problems are likely as well. It would be nice to have a green vectorizer bot for 3.2, and I'd appreciate some help in tracking these down.

Thanks again,
Hal

-- 
Hal Finkel
Postdoctoral Appointee
Leadership Computing Facility
Argonne National Laboratory