[all-commits] [llvm/llvm-project] 30e9cd: [DAG] computeKnownBits - add ISD::AVGCEILU handling

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 30e9cdd1aa2e60c2ce9a69fe444a2b8d7a3341fe
      https://github.com/llvm/llvm-project/commit/30e9cdd1aa2e60c2ce9a69fe444a2b8d7a3341fe
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-02-16 (Wed, 16 Feb 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/test/CodeGen/X86/combine-pavg.ll

  Log Message:
  -----------
  [DAG] computeKnownBits - add ISD::AVGCEILU handling

Expand the ISD::AVGCEILU to determine the known bits of the result.

First part of PR53622

Differential Revision: https://reviews.llvm.org/D119629