[PATCH] D94532: [DAG] SimplifyDemandedBits - use KnownBits comparisons to remove ISD::UMIN/UMAX ops

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 15 06:45:22 PST 2021


RKSimon updated this revision to Diff 316935.
RKSimon added a comment.

add ult/ugt handling


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94532/new/

https://reviews.llvm.org/D94532

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/test/CodeGen/AMDGPU/r600-legalize-umax-bug.ll
  llvm/test/CodeGen/X86/combine-umin.ll
  llvm/test/CodeGen/X86/sdiv_fix_sat.ll
  llvm/test/CodeGen/X86/udiv_fix_sat.ll

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