As far as i know, it seems that the creation of these temporary variables is automatic, so they can not be removed.
Best Regards!

Ting SU,software institute,East China Normal University
Ph.D student
tsuletgo@gmail.com (Email,MSN)
From: प्रतीक स्कायवाल्कर
Date: 2013-03-10 00:52
To: cil-users
Subject: [CIL users] Creation of Temporary Variables
The cil transformation introduces temporary variables during the processing of increment/ decrement operators. Is there a way to suppress the creation of these temporary variables?