Simon Pilgrim 6b2a982e08 [SLPVectorizer] Merge reorderAltShuffleOperands into reorderInputsAccordingToOpcode
As discussed on D59738, this generalizes reorderInputsAccordingToOpcode to handle multiple + non-commutative instructions so we can get rid of reorderAltShuffleOperands and make use of the extra canonicalizations that reorderInputsAccordingToOpcode brings.

Differential Revision: https://reviews.llvm.org/D59784

llvm-svn: 356939
2019-03-25 20:05:27 +00:00
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