[PATCH] D141753: [InstCombine] Optimize (icmp slt (1 << Y), 1) -> (icmp eq Y, BitWidth-1).

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

It's good cleanup and seems correct, but it can be generalized even more (could make it another patch if you prefer):
https://alive2.llvm.org/ce/z/3YB2vs

Need more tests like this:
https://alive2.llvm.org/ce/z/hVNnPJ


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D141753/new/

https://reviews.llvm.org/D141753