Revert [SCEV] Fix isLoopEntryGuardedByCond usage

It causes buildbot failures. New added assert is fired.
It seems not all usages of isLoopEntryGuardedByCond are fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323079 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed