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FYI, attached is a way to reproduce the error without the test-suite paraphernalia. cheers, --renato On 3 January 2013 12:05, Renato Golin <renato.golin at linaro.org> wrote: > David, > > I got some more work on the Livermore Loops and I found out that the issue > is the difference in the parameters between a single step and a multi step > compilation. > > When you

David, I got some more work on the Livermore Loops and I found out that the issue is the difference in the parameters between a single step and a multi step compilation. When you compile "clang kernel06.c" it works fine, but when you get all steps (clang -emit-llvm + llvm-as + opt + llc etc), the defaults options of each and how they interact is showing a bug in the code generated.