[PATCH] [ARMv8] NEON instruction VRINT{N, X, A, Z, M, P}

[Tim Northover]

  I think a separate function would be best. With the tests and comments around that call it just doesn't make sense for what we want, even though it happens to work.

  Other than that it looks good to me.

http://llvm-reviews.chandlerc.com/D1175