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[X86] Fold VPERMV(MASK,CONCAT(LO,HI)) -> VPERMV3(WIDEN(LO),MASK',WIDEN(HI))#129708

Merged

RKSimon merged 4 commits intollvm:mainllvm/llvm-project:mainfrom

RKSimon:x86-vpermv-split-vpermv3RKSimon/llvm-project:x86-vpermv-split-vpermv3Copy head branch name to clipboard

Mar 6, 2025

Conversation Commits4 (4)Checks Files changed

Merged

[X86] Fold VPERMV(MASK,CONCAT(LO,HI)) -> VPERMV3(WIDEN(LO),MASK',WIDEN(HI))#129708
RKSimon merged 4 commits intollvm:mainfrom
RKSimon:x86-vpermv-split-vpermv3

Commits

Commits on Mar 6, 2025

[X86] Fold VPERMV(MASK,CONCAT(LO,HI)) -> VPERMV3(WIDEN(LO),MASK',WIDEN(HI))
RKSimon
committed
Ensure a widening insert is the entire upper half of subvectors
RKSimon
committed
Remove unnecessary hasAVX512 check
RKSimon
committed
Only handle widening of lowest subvector
RKSimon
committed

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