Simplify code to match new interfaces


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7464 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index 1642034..7ae3ef8 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -16,8 +16,8 @@
 public:
   CodeEmitterGen(RecordKeeper &R) : Records(R) {}
   
-  // run - Output the code emitter, returning true on failure.
-  bool run(std::ostream &o);
+  // run - Output the code emitter
+  void run(std::ostream &o);
 private:
   void emitMachineOpEmitter(std::ostream &o, const std::string &Namespace);
   void emitGetValueBit(std::ostream &o, const std::string &Namespace);