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Commit fbfd78f7 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] lowerShuffleAsRepeatedMaskAndLanePermute - allow v16i32 sub-lane permutes for v64i8 shuffles 

Without VBMI, we are better off permuting v16i32 sub-lanes, even though its a variable shuffle, if it allows us to then shuffle v64i8 inlane repeated masks (PSHUFB etc.)

Fixes #54658
parent 6cf10b7e
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