[PATCH] D140798: [InstCombine] Fold zero check followed by decrement to usub.sat

[Jamie Hill-Daniel via Phabricator via llvm-commits]

clubby789 updated this revision to Diff 486285.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140798/new/

https://reviews.llvm.org/D140798

Files:
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/test/Transforms/InstCombine/saturating-add-sub.ll
  llvm/test/Transforms/InstCombine/unsigned_saturated_sub.ll
  llvm/test/Transforms/PhaseOrdering/pr44461-br-to-switch-rotate.ll

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