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[X86][AVX] Fold extract_subvector(subv_broadcast(x),c) -> (x)

Authored by RKSimon on May 24 2020, 10:49 AM.

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[X86][AVX] Fold extract_subvector(subv_broadcast(x),c) -> (x)

If we're extracting an subvector from a broadcasted subvector of the same type then we can use the source vector directly.

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Committed
RKSimonMay 24 2020, 10:49 AM
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rGe508d643cfd5: [X86][AVX] Fold extract_subvector(broadcast(x),c) -> extract_subvector…
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