[PATCH] D143785: [X86] Add Extend shuffle pattern to vNf32 shuffles.

[Noah Goldstein via Phabricator via llvm-commits]

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There are some cases where its useful for float types, not quite as
hot as in the integer case, but still better than alternatives.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143785

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/avx512-insert-extract.ll
  llvm/test/CodeGen/X86/merge-consecutive-loads-512.ll
  llvm/test/CodeGen/X86/pr43866.ll
  llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
  llvm/test/CodeGen/X86/vector-shuffle-combining.ll
  llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll

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