Duncan Sands cd52f3d447 Convert floating point division by a constant into multiplication by the
reciprocal if converting to the reciprocal is exact.  Do it even if inexact
if -ffast-math.  This substantially speeds up ac.f90 from the polyhedron
benchmarks.

llvm-svn: 154265
2012-04-07 20:04:00 +00:00
..
2012-04-03 23:09:22 +00:00