[all-commits] [llvm/llvm-project] 6c2ad4: [SDAG] Extract helper to determine neutral element...

[Nikita Popov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6c2ad4cf8758335e0896ba0540b21bbf6d239fbd
      https://github.com/llvm/llvm-project/commit/6c2ad4cf8758335e0896ba0540b21bbf6d239fbd
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2020-10-29 (Thu, 29 Oct 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/SelectionDAG.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

  Log Message:
  -----------
  [SDAG] Extract helper to determine neutral element (NFC)

Make the existing VECREDUCE based code more generic, but expressing
it in terms of the neutral value of the base opcode instead.