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Commit f791ad7e authored by Sanjay Patel's avatar Sanjay Patel
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[InstCombine] remove scalar constraint for mask-of-add fold 

https://rise4fun.com/Alive/V6fP

  Name: add with low mask
  Pre: (C1 & (-1 u>> countLeadingZeros(C2))) == 0
  %a = add i8 %x, C1
  %r = and i8 %a, C2
  =>
  %r = and i8 %x, C2
parent c15e5bdf
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