tree 22a0be22da816140ecd6dc45f9e11d085be27706
parent c49ef1448d1779385e0e0ea88b1d8343f4830a79
author Sanjay Patel <spatel@rotateright.com> 1638298779 -0500
committer Sanjay Patel <spatel@rotateright.com> 1638299334 -0500

[InstSimplify] add logic fold for 'or'

https://alive2.llvm.org/ce/z/4PaPDy

There's a related fold where the inner 'or' is replaced by 'and',
but that needs to be more careful about matching a 'not'.