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

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

RKSimon merged 4 commits into llvm:main from RKSimon:x86-vpermv-split-vpermv3

RKSimon requested a review from

phoebewang 311 days ago

RKSimon requested a review from

KanRobert 311 days ago

llvmbot added backend:X86

RKSimon force pushed from 1f2d0e80 to c464a85b 310 days ago

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

ae1bb7ca

RKSimon force pushed from c464a85b to ae1bb7ca 309 days ago

phoebewang commented on 2025-03-06

Ensure a widening insert is the entire upper half of subvectors

a89cda02

Remove unnecessary hasAVX512 check

b19c20fb

phoebewang commented on 2025-03-06

Only handle widening of lowest subvector

5a1211b4

phoebewang approved these changes on 2025-03-06

RKSimon merged 512ef4c7 into main 309 days ago

RKSimon deleted the x86-vpermv-split-vpermv3 branch 309 days ago

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phoebewang

KanRobert

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