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Author SHA1 Message Date
Duncan Sands 985ba6386d A shift of a power of two is a power of two or zero. 
For completeness - not spotted in the wild.

llvm-svn: 143211
 2011-10-28 18:30:05 +00:00
Duncan Sands ba286d7c73 The maximum power of 2 dividing a power of 2 is itself. This occurs 
in 403.gcc and was spotted by my super-optimizer.

llvm-svn: 143054
 2011-10-26 20:55:21 +00:00