[all-commits] [llvm/llvm-project] 6ec350: [X86] SimplifyDemandedVectorEltsForTargetShuffle -...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ec350b4834689af5192a970dc959017f732a8d8
      https://github.com/llvm/llvm-project/commit/6ec350b4834689af5192a970dc959017f732a8d8
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-12-20 (Wed, 20 Dec 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-load-i16-stride-7.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-7.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-5.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-6.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-7.ll

  Log Message:
  -----------
  [X86] SimplifyDemandedVectorEltsForTargetShuffle - don't simplify constant mask if it has multiple uses

Avoid generating extra constant vectors