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Author SHA1 Message Date
Duncan Sands
961d666be4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154265 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-07 20:04:00 +00:00