[PATCH] D111571: [X86] `detectAVGPattern()`: support basic case of PAVG chaining (PR52131)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 378783.
lebedev.ri marked 2 inline comments as done.
lebedev.ri added a comment.

Use `KnownBits::countMaxActiveBits()`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111571/new/

https://reviews.llvm.org/D111571

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/avg.ll

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