[PATCH] [SLPVectorizer] Reorder operands of shufflevector if it can result in a vectorized code.

[Michael Zolotukhin]

One correction to my last reply: I wrote that SLP doesn't vectorize the example, which is not technically correct. It vectorizes the code, but the code is far from optimal.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D6677

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