return types.TUINT32, types.TFLOAT64
			}
		}
	}
	return types.Txxx, types.Txxx
}

func soleComponent(init *ir.Nodes, n ir.Node) ir.Node {
	if n.Type().SoleComponent() == nil {
		return n
	}
	// Keep in sync with cmd/compile/internal/types/type.go:Type.SoleComponent.
	for {
		switch {
		case n.Type().IsStruct():
			if n.Type().Field(0).Sym.IsBlank() {

		}
		if t.NumFields() != 1 {
			return nil
		}
		return t.Field(0).Type.SoleComponent()
	case TARRAY:
		if t.NumElem() != 1 {
			return nil
		}
		return t.Elem().SoleComponent()
	}
	return t
}

// ChanDir returns the direction of a channel type t.
// The direction will be one of Crecv, Csend, or Cboth.
func (t *Type) ChanDir() ChanDir {