[all-commits] [llvm/llvm-project] 37edd2: [X86] combineEXTRACT_SUBVECTOR - generalize extrac...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 37edd2c1c32bf7599af28b96ae5adf909e96fc58
      https://github.com/llvm/llvm-project/commit/37edd2c1c32bf7599af28b96ae5adf909e96fc58
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-05-30 (Fri, 30 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/avx512-vbroadcasti128.ll

  Log Message:
  -----------
  [X86] combineEXTRACT_SUBVECTOR - generalize extract_subvector(broadcast(x),c) fold with IsElementEquivalent (#141963)

Instead of matching the broadcast nodes directly, let IsElementEquivalent handle it to allow BITCAST handling, which we already have with IsElementEquivalent



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