[PATCH] D14815: AVX-512: INSERT_SUBVECTOR optimization for i1 vectors

[Elena Demikhovsky via llvm-commits]

delena created this revision.
delena added reviewers: igorb, mbodart.
delena added a subscriber: llvm-commits.
delena set the repository for this revision to rL LLVM.

INSERT_SUBVECTOR for i1 vectors is implemented with shifts.
CONCAT_VECTORS generates INSERT_SUBVECTOR nodes.

Repository:
  rL LLVM

http://reviews.llvm.org/D14815

Files:
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86InstrAVX512.td
  test/CodeGen/X86/avx512-skx-insert-subvec.ll

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