now handle while loops. Improved alloca generations.
now handle while loops. Improved alloca generations.

sidmutha/SDC,DmitryOlshansky/SDC,bpr/SDC,UplinkCoder/SDC,bpr/SDC,schancel/SDC,deadalnix/SDC,JohanEngelen/SDC,schancel/SDC,UplinkCoder/SDC,sidmutha/SDC,JohanEngelen/SDC,DmitryOlshansky/SDC,DmitryOlshansky/SDC,SDC-Developers/SDC,bpr/SDC,UplinkCoder/SDC,deadalnix/SDC,deadalnix/SDC,SDC-Developers/SDC,SDC-Developers/SDC,schancel/SDC,JohanEngelen/SDC,sidmutha/SDC