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Commit 32b1c9fe authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][AVX2] Prefer VPERMQ/VPERMPD over VINSERTI128/VINSERTF128 for unary shuffles 

Using VPERMQ/VPERMPD allows memory folding of the (repeated) input where VINSERTI128/VINSERTF128 can not.

Differential Revision: http://reviews.llvm.org/D19228

llvm-svn: 266728
parent a3ab1091
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