[all-commits] [llvm/llvm-project] 48d4ba: [SelectionDAG] Compute Known + Sign Bits - merge I...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 48d4ba8fb2954d58d24f1ffe9f38045c537cf7b3
      https://github.com/llvm/llvm-project/commit/48d4ba8fb2954d58d24f1ffe9f38045c537cf7b3
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-01-23 (Thu, 23 Jan 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

  Log Message:
  -----------
  [SelectionDAG] Compute Known + Sign Bits - merge INSERT_VECTOR_ELT known/unknown index paths

Match the approach in SimplifyDemandedBits where we calculate the demanded elts and then have a common path for the ComputeKnownBits/ComputeNumSignBits call.