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...the > multi-pass would, so we would get similar results, but it doesn't seem to > be the case with clang. > > cheers, > --renato > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130103/ff32b382/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: livermore-llvm-bug.zip Type: application/zip Size: 5933 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130103/ff32b382/attachment.zip>

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.