[PATCH] D68470: [InstCombine][NFC] dropRedundantMaskingOfLeftShiftInput(): change how we deal with mask

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 223332.
lebedev.ri added a comment.

Rebased, NFC.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68470/new/

https://reviews.llvm.org/D68470

Files:
  llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp

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