[all-commits] [llvm/llvm-project] 780ba1: [DAGCombiner] clean up extract-of-concat fold; NFC

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 780ba1f22b53116918cf12decccaed7ba2292bd5
      https://github.com/llvm/llvm-project/commit/780ba1f22b53116918cf12decccaed7ba2292bd5
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2020-01-08 (Wed, 08 Jan 2020)

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

  Log Message:
  -----------
  [DAGCombiner] clean up extract-of-concat fold; NFC

This hopes to improve readability and adds an assert.
The functional change noted by the TODO comment is
proposed in:
D72361