[all-commits] [llvm/llvm-project] 5f5a25: [X86] LowerBUILD_VECTOR - track zero/nonzero eleme...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5f5a2547c174cf1eaf7874ff02c198629fe02c22
      https://github.com/llvm/llvm-project/commit/5f5a2547c174cf1eaf7874ff02c198629fe02c22
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-12-14 (Mon, 14 Dec 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp

  Log Message:
  -----------
  [X86] LowerBUILD_VECTOR - track zero/nonzero elements with APInt masks. NFCI.

Prep work for undef/zero 'upper elements' handling as proposed in D92645.