[all-commits] [llvm/llvm-project] 069f0f: [X86] canCreateUndefOrPoisonForTargetNode - SSE PI...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 069f0fea00d3caf41fb9c3eaf81ee918c5c63a51
      https://github.com/llvm/llvm-project/commit/069f0fea00d3caf41fb9c3eaf81ee918c5c63a51
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-07-22 (Tue, 22 Jul 2025)

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

  Log Message:
  -----------
  [X86] canCreateUndefOrPoisonForTargetNode - SSE PINSR/PEXTR vector element insert/extract are never out of bounds (#149822)

The immediate index is guaranteed to be treated as modulo



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