func (v *Value) AddArg6(w1, w2, w3, w4, w5, w6 *Value) {
	v.Args = append(v.Args, w1, w2, w3, w4, w5, w6)
	w1.Uses++
	w2.Uses++
	w3.Uses++
	w4.Uses++
	w5.Uses++
	w6.Uses++
}

func (v *Value) AddArgs(a ...*Value) {
	if v.Args == nil {
		v.resetArgs() // use argstorage
	}
	v.Args = append(v.Args, a...)
	for _, x := range a {
		x.Uses++
	}
}
func (v *Value) SetArg(i int, w *Value) {

	// change its value immediately after visiting Phi, because some of its input
	// edges may still not be visited at this moment.
	constValue := f.newValue(val.Op, val.Type, f.Entry, val.Pos)
	constValue.AddArgs(args...)
	matched := rewriteValuegeneric(constValue)
	if matched {
		if isConst(constValue) {
			return lattice{constant, constValue}
		}
	}

		OpPPC64XOR:      OpPPC64XORCC,
	}
	b := op.Block
	opCC := b.NewValue0I(op.Pos, ccOpMap[op.Op], types.NewTuple(op.Type, types.TypeFlags), op.AuxInt)
	opCC.AddArgs(op.Args...)
	op.reset(OpSelect0)
	op.AddArgs(opCC)
	return op
}

// Try converting a RLDICL to ANDCC. If successful, return the mask otherwise 0.
func convertPPC64RldiclAndccconst(sauxint int64) int64 {

  // original graph that has an output edge in the subgraph, and whose second
  // element is the arg node in the subgraph that it sends to. The vector will
  // be filled in below in AddArgs.
  std::vector<std::pair<const Node*, Node*>> src_arg_pairs;

  TF_RETURN_IF_ERROR(CopySubgraphNodes(&node_images));
  TF_RETURN_IF_ERROR(CopySubgraphEdges(node_images, &src_arg_pairs));

	if s.instrumentEnterExit {
		s.rtcall(ir.Syms.Racefuncexit, true, nil)
	}

	results[len(results)-1] = s.mem()
	m := s.newValue0(ssa.OpMakeResult, s.f.OwnAux.LateExpansionResultType())
	m.AddArgs(results...)

	b := s.endBlock()
	b.Kind = ssa.BlockRet
	b.SetControl(m)
	if s.hasdefer && s.hasOpenDefers {
		s.lastDeferFinalBlock = b
	}
	return b
}

type opAndType struct {