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Hi Anastasiya, If it fits you use case, you can consider walking the loop header and calling getSCEV() on all of the PHI nodes in the header. This will give you a SCEV* which should be easier to analyze than manually inspecting PHI cycles. Thanks! -- Sanjoy On Tue, Jul 25, 2017 at 11:42 AM, Michael Kruse via llvm-dev <llvm-dev at lists.llvm.org> wrote: > 2017-07-25 19:32 GMT+02:00