[PATCH] D67800: [InstCombine] Fold a shifty implementation of clamp positive to allOnesValue.

[Huihui Zhang via Phabricator via llvm-commits]

huihuiz updated this revision to Diff 221259.
huihuiz retitled this revision from "[InstCombine] Fold a shifty implementation of clamp  (e.g., clamp255)." to "[InstCombine] Fold a shifty implementation of clamp positive to allOnesValue.".
huihuiz edited the summary of this revision.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67800/new/

https://reviews.llvm.org/D67800

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  llvm/test/Transforms/InstCombine/sub-ashr-or-to-icmp-select.ll

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