[LLVMdev] Strange loop unrolling problem (partially solved)
clattner at apple.com
Sun May 3 19:29:01 PDT 2009
On Apr 27, 2009, at 5:26 AM, Pertti Kellomäki wrote:
> A short while ago I wrote about the strange loop unrolling
> behavior we encountered. The problem was that with -O3,
> the following loop does not get unrolled if the ifdef'ed
> dead code is not present.
This is a major problem of the jump threading pass. I've fixed it in
r70820, thanks for bringing this up!
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