[PATCH] Added InstCombine Transformation for (A^B)^((~A)&B) ->	A&(~B)
    David Majnemer 
    david.majnemer at gmail.com
       
    Fri Aug 22 11:00:04 PDT 2014
    
    
  
This can be generalized.
`(A ^ B) ^ ((A ^ C) & B)` -> `C ^ (B | (A ^ C)`
http://reviews.llvm.org/D5002
    
    
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