[PATCH] [PPC64LE] Remove unnecessary swaps from lane-insensitive vector computations

[Chandler Carruth]

I'd like to understand why you opted for doing this in MI instead of at the IR level? In particular, it seems odd to have the loop vectorizer and other tools build vectorized code in the "wrong" way and then fix it if we can later.


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  rL LLVM

http://reviews.llvm.org/D8565

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