[PATCH] D117680: [InstCombine] Simplify bswap -> shift

[Paweł Bylica via Phabricator via llvm-commits]

chfast updated this revision to Diff 401773.
chfast edited the summary of this revision.
chfast added a comment.

Implemented extended variant which handles "active byte" at any position, suggested by @craig.topper.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117680/new/

https://reviews.llvm.org/D117680

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/bswap-fold.ll

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