Add an !eq() operator to TableGen.  It operates on strings only.
Use !cast<string>() to compare other types of objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGLexer.cpp b/utils/TableGen/TGLexer.cpp
index 4498e30..2c7becc 100644
--- a/utils/TableGen/TGLexer.cpp
+++ b/utils/TableGen/TGLexer.cpp
@@ -434,6 +434,7 @@
   if (Len == 3  && !memcmp(Start, "sra", 3)) return tgtok::XSRA;
   if (Len == 3  && !memcmp(Start, "srl", 3)) return tgtok::XSRL;
   if (Len == 3  && !memcmp(Start, "shl", 3)) return tgtok::XSHL;
+  if (Len == 2  && !memcmp(Start, "eq", 2)) return tgtok::XEq;
   if (Len == 9  && !memcmp(Start, "strconcat", 9))   return tgtok::XStrConcat;
   if (Len == 10 && !memcmp(Start, "nameconcat", 10)) return tgtok::XNameConcat;
   if (Len == 5 && !memcmp(Start, "subst", 5)) return tgtok::XSubst;