[PATCH] D64512: [InstCombine] Dropping redundant masking before left-shift [0/5] (PR42563)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 209047.
lebedev.ri edited the summary of this revision.
lebedev.ri added a comment.

Rebased over re-combed tests, NFC.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64512/new/

https://reviews.llvm.org/D64512

Files:
  llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
  llvm/test/Transforms/InstCombine/redundant-left-shift-input-masking-variant-a.ll

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