[all-commits] [llvm/llvm-project] 8fddef: [SelectionDAG] Introducing a new ISD::POISON SDNod...

[zhijian lin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8fddef8483dc9eb569580ffd13695b8f54d3c058
      https://github.com/llvm/llvm-project/commit/8fddef8483dc9eb569580ffd13695b8f54d3c058
  Author: zhijian lin <zhijian at ca.ibm.com>
  Date:   2025-04-07 (Mon, 07 Apr 2025)

  Changed paths:
    M llvm/include/llvm/CodeGen/ISDOpcodes.h
    M llvm/include/llvm/CodeGen/SelectionDAG.h
    M llvm/include/llvm/CodeGen/SelectionDAGNodes.h
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
    M llvm/test/CodeGen/AArch64/vector-insert-dag-combines.ll
    M llvm/test/CodeGen/X86/half.ll
    M llvm/test/CodeGen/X86/pr119158.ll

  Log Message:
  -----------
  [SelectionDAG] Introducing a new ISD::POISON SDNode to represent the poison value in the IR. (#125883)

A new ISD::POISON SDNode is introduced to represent the `poison value`
in the IR, replacing the previous use of ISD::UNDEF.



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