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[X86] splitVector - only extract lower half subvector from splats

Authored by RKSimon on Wed, Nov 17, 11:29 AM.

Description

[X86] splitVector - only extract lower half subvector from splats

If we're splitting a source vector that is a splat (with no undefs), just extract (for free) the lower half subvector and use it for both halfs.

Details

Committed
RKSimonWed, Nov 17, 11:38 AM
Parents
rGa11d27f4ff3b: [clang] Try to fix test after ae98182cf7341181e
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