[PATCH] D11678: [CodeGen] Fixes *absdiff* intrinsic: LangRef doc/test case improvement and corresponding code change

[Shahid via llvm-commits]

ashahid updated this revision to Diff 33309.
ashahid added a comment.

Updated the patch for

1. result overflow documentation
2. Test case fixes
3. Refactoring of the expansion of llvm at absdiff intrinsic.


http://reviews.llvm.org/D11678

Files:
  docs/LangRef.rst
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  test/CodeGen/X86/absdiff_128.ll
  test/CodeGen/X86/absdiff_256.ll
  test/CodeGen/X86/absdiff_expand.ll

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