s.Fatalf("unhandled expr %v", n.Op())
		return nil
	}
}

func (s *state) resultOfCall(c *ssa.Value, which int64, t *types.Type) *ssa.Value {
	aux := c.Aux.(*ssa.AuxCall)
	pa := aux.ParamAssignmentForResult(which)
	// TODO(register args) determine if in-memory TypeOK is better loaded early from SelectNAddr or later when SelectN is expanded.