[llvm] r239245 - [TableGen] Use 'isa' to check if something is an UnsetInit rather than getting the UnsetInit singleton and comparing pointers. NFC.

[Craig Topper]

Author: ctopper
Date: Sun Jun  7 01:01:13 2015
New Revision: 239245

URL: http://llvm.org/viewvc/llvm-project?rev=239245&view=rev
Log:
[TableGen] Use 'isa' to check if something is an UnsetInit rather than getting the UnsetInit singleton and comparing pointers. NFC.

Modified:
    llvm/trunk/include/llvm/TableGen/Record.h

Modified: llvm/trunk/include/llvm/TableGen/Record.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/TableGen/Record.h?rev=239245&r1=239244&r2=239245&view=diff
==============================================================================
--- llvm/trunk/include/llvm/TableGen/Record.h (original)
+++ llvm/trunk/include/llvm/TableGen/Record.h Sun Jun  7 01:01:13 2015
@@ -1351,7 +1351,7 @@ public:
 
   /// Return true if the named field is unset.
   bool isValueUnset(StringRef FieldName) const {
-    return getValueInit(FieldName) == UnsetInit::get();
+    return isa<UnsetInit>(getValueInit(FieldName));
   }
 
   /// getValueAsString - This method looks up the specified field and returns