* Add option to read isLittleEndianEncoding for InstrInfo classes

* Doxygen-ify some function comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16974 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/CodeGenTarget.h

@@ -96,6 +96,10 @@ public:
   /// getPHIInstruction - Return the designated PHI instruction.
   ///
   const CodeGenInstruction &getPHIInstruction() const;
+
+  /// isLittleEndianEncoding - are instruction bit patterns defined as  [0..n]?
+  ///
+  bool isLittleEndianEncoding() const;
 };
 
 } // End llvm namespace