[all-commits] [llvm/llvm-project] 23e848: [X86] IsElementEquivalent - add basic handling for...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 23e8480536957b04ccaac2f49a979d5b03c6169c
      https://github.com/llvm/llvm-project/commit/23e8480536957b04ccaac2f49a979d5b03c6169c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-05-19 (Mon, 19 May 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast_from_memory.ll
    M llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast_from_memory.ll

  Log Message:
  -----------
  [X86] IsElementEquivalent - add basic handling for X86ISD::SUBV_BROADCAST_LOAD (#139727)

If we're broadcasting a subvector, then the elements at equal positions within each subvector are the same.



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