[PATCH] D96440: [knownbits] Preserve known bits for small shift recurrences

[Philip Reames via Phabricator via llvm-commits]

reames updated this revision to Diff 323082.
reames added a comment.

Rebase over landed tests and integrate into single remaining caller as suggested by Nikita.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96440/new/

https://reviews.llvm.org/D96440

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Analysis/ValueTracking/shift-recurrence-knownbits.ll

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