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Author SHA1 Message Date
Duncan Sands
4604fc7791 A shift of a power of two is a power of two or zero. 
For completeness - not spotted in the wild.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143211 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-28 18:30:05 +00:00
Duncan Sands
dd3149d579 The maximum power of 2 dividing a power of 2 is itself. This occurs 
in 403.gcc and was spotted by my super-optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 20:55:21 +00:00