Devang Patel 78b7de25d1 Turn floating point IVs into integer IVs where possible.
This allows SCEV users to effectively calculate trip count.
LSR later on transforms back integer IVs to floating point IVs
later on to avoid int-to-float casts inside the loop.

llvm-svn: 58625
2008-11-03 18:32:19 +00:00
..
2008-10-31 01:50:01 +00:00