[PATCH] D108253: [WIP][X86] Introduce 'blend with broadcast' shuffle lowering strategy (PR50971)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri updated this revision to Diff 367442.
lebedev.ri added a comment.

Change the implementation approach, mostly piggy-back on `lowerShuffleAsDecomposedShuffleMerge()` - this seems cleaner?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D108253/new/

https://reviews.llvm.org/D108253

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/copy-low-subvec-elt-to-high-subvec-elt.ll
  llvm/test/CodeGen/X86/horizontal-sum.ll
  llvm/test/CodeGen/X86/subvector-broadcast.ll
  llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
  llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll

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