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[X86][SSE] SimplifyDemandedBits - call PEXTRB/PEXTRW SimplifyDemandedVectorElts…

Authored by RKSimon on May 11 2019, 2:35 PM.

Description

[X86][SSE] SimplifyDemandedBits - call PEXTRB/PEXTRW SimplifyDemandedVectorElts as well.

See if we can simplify the demanded vector elts from the extraction before trying to simplify the demanded bits.

This helps us with target shuffles and hops in particular.

llvm-svn: 360535

Details

Committed
RKSimonMay 11 2019, 2:35 PM
Parents
rG605a840747be: [DAG] Add SimplifyDemandedBits support for BITREVERSE
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