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

Change-Id: I8e2ece677268972d578a787467f7ef52a1f33a71

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

llvm-svn: 327496
diff --git a/llvm/docs/TableGen/LangRef.rst b/llvm/docs/TableGen/LangRef.rst
index 5955050..534cac2 100644
--- a/llvm/docs/TableGen/LangRef.rst
+++ b/llvm/docs/TableGen/LangRef.rst
@@ -99,7 +99,8 @@
                :!add    !shl     !sra     !srl       !and
                :!or     !empty   !subst   !foreach   !strconcat
                :!cast   !listconcat       !size      !foldl
-               :!isa    !dag
+               :!isa    !dag     !le      !lt        !ge
+               :!gt     !ne
 
 
 Syntax