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Commit 7706c7af authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] Fold vXi1 OR(KSHIFTL(X,NumElts/2),Y) -> KUNPCK 

Convert shift+or bool vector patterns into CONCAT_VECTORS if we know this will be lowered to KUNPCK (which requires 16+ vector elements).

Fixes PR32547
parent 2abad343
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