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[X86][AVX] Rename + cleanup lowerShuffleAsLanePermuteAndBlend. NFCI.

Authored by RKSimon on Sep 1 2019, 9:04 AM.

Description

[X86][AVX] Rename + cleanup lowerShuffleAsLanePermuteAndBlend. NFCI.

Rename to lowerShuffleAsLanePermuteAndShuffle to make it clear that not just blends are performed.

Cleanup the in-lane shuffle mask generation to make it more obvious what's going on.

Some prep work noticed while investigating the poor shuffle code mentioned in D66004.

llvm-svn: 370613

Details

Committed
RKSimonSep 1 2019, 9:04 AM
Parents
rG5341193537d8: [lldb] Small optimization of FormatMap::Delete
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