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

[Hirochika Matsumoto via Phabricator via cfe-commits]

hkmatsumoto updated this revision to Diff 418869.
hkmatsumoto added a comment.

Create ctpop(X) > 1 instead of ctpop(X) >= 2


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122077/new/

https://reviews.llvm.org/D122077

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

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