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Commit 9cff4711 authored by Sanjay Patel's avatar Sanjay Patel
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[InstCombine] fold udiv with common factor 

((X *nuw Y) >> Z) / X --> Y >> Z

https://alive2.llvm.org/ce/z/x3kKnq

This is similar to 6b869be8 / 8da2fa85, but I have
not found a signed equivalent, so it's just an unsigned
match for now.
parent 6876004f
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