Revert r335206 "Recommit r333268: [IPSCCP] Use PredicateInfo to propagate facts from cmp instructions."

This reverts commit r335206.

As discussed here: https://reviews.llvm.org/rL333740, a fix will come
tomorrow. In the meanwhile, revert this to fix some bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@335272 91177308-0d34-0410-b5e6-96231b3b80d8
9 files changed