Ahmed Bougacha 164cbefb85 [CodeGen] Combine concat_vectors of scalars into build_vector.
Combine something like:
  (v8i8 concat_vectors (v2i8 bitcast (i16)) x4)
into:
  (v8i8 (bitcast (v4i16 BUILD_VECTOR (i16) x4)))

If any of the scalars are floating point, use that throughout.

Differential Revision: http://reviews.llvm.org/D8948


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234809 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-13 22:57:21 +00:00
..
2015-04-13 18:47:19 +00:00