[PATCH] D105764: [InstCombine] Fold lshr/ashr(or(neg(x), x), bw-1) --> zext/sext(icmp_ne(x,0)) (PR50816)

[Simon Pilgrim via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGb2f6cf14798a: [InstCombine] Fold lshr/ashr(or(neg(x),x),bw-1) --> zext/sext(icmp_ne(x,0))… (authored by RKSimon).

Changed prior to commit:
  https://reviews.llvm.org/D105764?vs=358244&id=358252#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105764/new/

https://reviews.llvm.org/D105764

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

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