Revert r337904: [IPSCCP] Use PredicateInfo to propagate facts from cmp instructions.

I suspect it is causing the clang-stage2-Rthinlto failures.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337956 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed