[PATCH] D53760: [SelectionDAG] Add FoldBUILD_VECTOR to simplify new BUILD_VECTOR nodes

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Looks like this is missing handling for a one-element BUILD_VECTOR?


Repository:
  rL LLVM

https://reviews.llvm.org/D53760