[PATCH] D63675: [InstCombine] Simplify icmp ult/uge (shl %x, C2), C1 iff C1 is power of two -> icmp eq/ne (and %x, (lshr -C1, C2)), 0.

Huihui Zhang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 25 13:49:36 PDT 2019


This revision was automatically updated to reflect the committed changes.
Closed by commit rGb90cb57b63ae: [InstCombine] Simplify icmp ult/uge (shl %x, C2), C1 iff C1 is power of two ->… (authored by huihuiz).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63675/new/

https://reviews.llvm.org/D63675

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/test/Transforms/InstCombine/pr17827.ll
  llvm/test/Transforms/InstCombine/shl-unsigned-cmp-const.ll

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