Implement Neon VTRN instructions.  For now, anyway, these are selected
directly from the intrinsics produced by the frontend.  If it is more
convenient to have a custom DAG node for using these to implement shuffles,
we can add that later.

llvm-svn: 78459
2 files changed
tree: 8c1cf8e0d6ce7e977d6da5e63830bae7ac2054dc
  1. clang/
  2. compiler-rt/
  3. llvm/