[PATCH] D63512: [X86] Add DAG combine to turn (vzmovl (insert_subvector undef, X, 0)) into (insert_subvector allzeros, (vzmovl X), 0)

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 21 10:28:01 PDT 2019


craig.topper updated this revision to Diff 206029.
craig.topper added a comment.

Rebase after D63373 <https://reviews.llvm.org/D63373>


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63512/new/

https://reviews.llvm.org/D63512

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86InstrAVX512.td
  llvm/lib/Target/X86/X86InstrSSE.td
  llvm/test/CodeGen/X86/avx-load-store.ll
  llvm/test/CodeGen/X86/vec_extract-avx.ll
  llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll

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