[PATCH] D20598: [X86] Detect SAD patterns and emit psadbw instructions on X86 redux

[Michael Kuperstein via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL271033: [X86] Detect SAD patterns and emit psadbw instructions. (authored by mkuper).

Changed prior to commit:
  http://reviews.llvm.org/D20598?vs=58739&id=58820#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D20598

Files:
  llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
  llvm/trunk/test/CodeGen/X86/sad.ll

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