[PATCH] D111960: [X86][AVX] Prefer VINSERTF128 over VPERM2F128 for 128->256 subvector concatenations

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 381894.
RKSimon added a comment.

Limited the fold to AVX1 only - until I can determine a better way to prefer PERMQ/PERMPD


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111960/new/

https://reviews.llvm.org/D111960

Files:
  llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86InstrFragmentsSIMD.td
  llvm/lib/Target/X86/X86InstrSSE.td
  llvm/test/CodeGen/X86/vector-interleaved-load-i16-stride-4.ll
  llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-2.ll
  llvm/test/CodeGen/X86/vector-interleaved-load-i32-stride-6.ll
  llvm/test/CodeGen/X86/vector-interleaved-load-i64-stride-2.ll
  llvm/test/CodeGen/X86/vector-interleaved-load-i64-stride-4.ll
  llvm/test/CodeGen/X86/vector-interleaved-store-i64-stride-4.ll
  llvm/test/CodeGen/X86/vector-shuffle-combining-avx.ll
  llvm/test/CodeGen/X86/x86-interleaved-access.ll

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