Minor code simplification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90628 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.h b/utils/TableGen/CodeEmitterGen.h
index f0b3229..ed6777d 100644
--- a/utils/TableGen/CodeEmitterGen.h
+++ b/utils/TableGen/CodeEmitterGen.h
@@ -23,6 +23,7 @@
 
 class RecordVal;
 class BitsInit;
+class Init;
 
 class CodeEmitterGen : public TableGenBackend {
   RecordKeeper &Records;
@@ -35,7 +36,7 @@
   void emitMachineOpEmitter(raw_ostream &o, const std::string &Namespace);
   void emitGetValueBit(raw_ostream &o, const std::string &Namespace);
   void reverseBits(std::vector<Record*> &Insts);
-  int getVariableBit(const std::string &VarName, BitsInit *BI, int bit);
+  int getVariableBit(const Init *VarVal, BitsInit *BI, int bit);
 };
 
 } // End llvm namespace