[PATCH] D108382: [X86] lowerShuffleAsDecomposedShuffleMerge(): if both inputs are broadcastable/identities, canonicalize broadcasts as such

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added reviewers: RKSimon, craig.topper, spatel, efriedma.
lebedev.ri added a project: LLVM.
Herald added subscribers: pengfei, hiraditya.
lebedev.ri requested review of this revision.

Split off from D104232 <https://reviews.llvm.org/D104232>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108382

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

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