Module: Kumi::IR::DF::Passes::Support::InstructionCloner

Defined in:
lib/kumi/ir/df/passes/support/instruction_cloner.rb

Class Method Summary collapse

Class Method Details

.clone(instr, inputs, attributes: nil, metadata: nil, result: nil) ⇒ Object 



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# File 'lib/kumi/ir/df/passes/support/instruction_cloner.rb', line 11

def clone(instr, inputs, attributes: nil, metadata: nil, result: nil)
  metadata ||= instr.metadata || { dtype: instr.dtype, axes: instr.axes }
  attrs = attributes || instr.attributes || {}
  result ||= instr.result

  case instr.opcode
  when :load_input
    Ops::LoadInput.new(
      result: result,
      key: attrs[:key],
      chain: attrs[:chain] || [],
      plan_ref: attrs[:plan_ref],
      axes: metadata[:axes] || instr.axes,
      dtype: metadata[:dtype] || instr.dtype,
      metadata: metadata
    )
  when :load_field
    Ops::LoadField.new(
      result: result,
      object: inputs.first,
      field: attrs[:field],
      plan_ref: attrs[:plan_ref],
      axes: metadata[:axes] || instr.axes,
      dtype: metadata[:dtype] || instr.dtype,
      metadata: metadata
    )
  when :constant
    Ops::Constant.new(result: result, value: attrs[:value], axes: metadata[:axes] || instr.axes,
                      dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :decl_ref
    Ops::DeclRef.new(result: result, name: attrs[:name], axes: metadata[:axes] || instr.axes,
                     dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :map
    Ops::Map.new(result: result, fn: attrs[:fn], args: inputs, axes: metadata[:axes] || instr.axes,
                 dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :select
    Ops::Select.new(
      result: result,
      cond: inputs[0],
      on_true: inputs[1],
      on_false: inputs[2],
      axes: metadata[:axes] || instr.axes,
      dtype: metadata[:dtype] || instr.dtype,
      metadata: metadata
    )
  when :reduce
    Ops::Reduce.new(result: result, fn: attrs[:fn], arg: inputs.first, over_axes: attrs[:over_axes],
                    axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :fold
    Ops::Fold.new(result: result, fn: attrs[:fn], arg: inputs.first, axes: metadata[:axes] || instr.axes,
                  dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :make_object
    Ops::MakeObject.new(result: result, inputs: inputs, keys: attrs[:keys], axes: metadata[:axes] || instr.axes,
                        dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :array_build
    Ops::ArrayBuild.new(result: result, elements: inputs, axes: metadata[:axes] || instr.axes,
                        dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :array_get
    Ops::ArrayGet.new(result: result, array: inputs[0], index: inputs[1], oob: attrs[:oob],
                      axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :array_len
    Ops::ArrayLen.new(result: result, array: inputs.first, axes: metadata[:axes] || instr.axes,
                      dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :axis_index
    Ops::AxisIndex.new(result: result, axis: attrs[:axis], axes: metadata[:axes] || instr.axes,
                       dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :axis_shift
    Ops::AxisShift.new(result: result, source: inputs.first, axis: attrs[:axis], offset: attrs[:offset],
                       policy: attrs[:policy], axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :axis_cross
    Ops::AxisCross.new(result: result, source: inputs.first, axis: attrs[:axis], source_axis: attrs[:source_axis],
                       axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :axis_outer
    Ops::AxisOuter.new(result: result, source: inputs.first, axis: attrs[:axis], source_axis: attrs[:source_axis],
                       axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :axis_broadcast
    Ops::AxisBroadcast.new(result: result, value: inputs.first, from_axes: attrs[:from_axes],
                           to_axes: attrs[:to_axes] || metadata[:axes] || instr.axes, axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  when :import_call
    Ops::ImportCall.new(result: result, fn_name: attrs[:fn_name], source_module: attrs[:source_module], args: inputs,
                        mapping_keys: attrs[:mapping_keys], axes: metadata[:axes] || instr.axes, dtype: metadata[:dtype] || instr.dtype, metadata: metadata)
  else
    # No clone branch for this opcode. Returning `instr` unchanged
    # would silently keep its ORIGINAL inputs/result, so any DF pass
    # that remaps registers (dedup, inlining, CSE) would leave a
    # dangling reference and produce a wrong result with no error.
    # Fail loudly instead — every DF opcode must have a clone branch.
    raise ArgumentError,
          "InstructionCloner has no clone branch for DF opcode #{instr.opcode.inspect}. " \
          "Add one here (it must thread `inputs`/`result`/`attrs`), otherwise register " \
          "remapping in DF passes will silently corrupt references to this instruction."
  end
end