[all-commits] [llvm/llvm-project] 12f75b: Revert "[X86] SimplifyDemandedVectorEltsForTargetN...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 12f75bba41d7b9752df799349b2b32bdf68e9765
      https://github.com/llvm/llvm-project/commit/12f75bba41d7b9752df799349b2b32bdf68e9765
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-04-03 (Thu, 03 Apr 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast.ll
    M llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast_from_memory.ll
    M llvm/test/CodeGen/X86/shuffle-vs-trunc-128.ll
    M llvm/test/CodeGen/X86/vector-interleaved-load-i16-stride-5.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i64-stride-5.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i64-stride-6.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bwvl.ll
    M llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast.ll
    M llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast_from_memory.ll

  Log Message:
  -----------
  Revert "[X86] SimplifyDemandedVectorEltsForTargetNode - reduce the size of VPERMV/VPERMV3 nodes if the upper elements are not demanded" (#134256)

Found a typo in the VPERMV3 mask adjustment - I'm going to revert and re-apply the patch with a fix

Reverts llvm/llvm-project#133923



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