[all-commits] [llvm/llvm-project] 007f19: [SelectionDAG] Fold subvector inserts into concat ...

[Krzysztof Drewniak via All-commits]

  Branch: refs/heads/users/krzysz00/insert-concat-dagcombine
  Home:   https://github.com/llvm/llvm-project
  Commit: 007f19ef7e0e3512b5c86270a42f1468e4a09cea
      https://github.com/llvm/llvm-project/commit/007f19ef7e0e3512b5c86270a42f1468e4a09cea
  Author: Krzysztof Drewniak <Krzysztof.Drewniak at amd.com>
  Date:   2026-06-02 (Tue, 02 Jun 2026)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    A llvm/test/CodeGen/AMDGPU/dagcombine-insert-concat.ll

  Log Message:
  -----------
  [SelectionDAG] Fold subvector inserts into concat operands

Push insert_subvector into the containing CONCAT_VECTORS operand when the insertion is wholly contained there.

AI note: an LLM generated the code and the test, I've read them

Co-Authored-By: OpenAI Codex <codex at openai.com>


  Commit: 5bb1d35e6890b90c7427b3b45314006566231142
      https://github.com/llvm/llvm-project/commit/5bb1d35e6890b90c7427b3b45314006566231142
  Author: Krzysztof Drewniak <Krzysztof.Drewniak at amd.com>
  Date:   2026-06-02 (Tue, 02 Jun 2026)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

  Log Message:
  -----------
  clang-format, newer API


Compare: https://github.com/llvm/llvm-project/compare/accc4fc17567...5bb1d35e6890

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