[PATCH] D14840: [X86] Detect SAD patterns and emit psadbw instructions on X86.

[Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL267649: Detects the SAD pattern on X86 so that much better code will be emitted once… (authored by conghou).

Changed prior to commit:
  http://reviews.llvm.org/D14840?vs=51474&id=55151#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D14840

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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