TableGen: Add !ne, !le, !lt, !ge, and !gt comparisons

Change-Id: I8e2ece677268972d578a787467f7ef52a1f33a71

Differential revision: https://reviews.llvm.org/D44114

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327496 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed