[LoongArch] Move widenShuffleMask before lowerVECTOR_SHUFFLE_XVPERMI to improve code quality#164219

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ylzsx merged 3 commits intomainfrom

users/ylzsx/widenmask-before-xvpermi

Oct 23, 2025

Commits on Oct 20, 2025

[LoongArch] Always try to widen vectors at the beginning of lowerVECTOR_SHUFFLE_XVPERMI
ylzsx
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Commits on Oct 21, 2025

modify according to zhaoqi5's review.
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Commits on Oct 22, 2025

use V2
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