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Commit e565e5a9 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] Add lowerVectorShuffleAsByteRotateAndPermute (PR39387) 

This patch adds the ability to use a PALIGNR to rotate a pair of inputs to select a range containing all the referenced elements, followed by a single input permute to put them in the right location.

Differential Revision: https://reviews.llvm.org/D54267

llvm-svn: 346706
parent a946acd5
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