[PATCH] D122077: [InstCombine] Fold (ctpop(X) == 1) | (X == 0) into ctpop(X) < 2

[Hirochika Matsumoto via Phabricator via llvm-commits]

hkmatsumoto created this revision.
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https://alive2.llvm.org/ce/z/94yRMN


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122077

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  llvm/test/Transforms/InstCombine/icmp-or.ll
  llvm/test/Transforms/InstCombine/ispow2.ll

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