[Loop Predication] Teach LP about reverse loops with uge and sge latch conditions

Add support of uge and sge latch condition to Loop Prediction for
reverse loops.

Reviewers: apilipenko, mkazantsev, sanjoy, anna
Reviewed By: anna
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D42837


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@324589 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed