[PATCH] D10273: Add intrinsics and SDNodes for signed/unsigned absolute difference (absdiff) and horizontal add (hadd).

[James Molloy]

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[Phab spring clean] This patch has been usurped by http://reviews.llvm.org/D10964 and http://reviews.llvm.org/D10967.


Repository:
  rL LLVM

http://reviews.llvm.org/D10273