Minor speedup to do less linear time searches of  information we already have.
speeds up disassembly of kc++ by .6s


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10079 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Reader/ReaderInternals.h b/lib/Bytecode/Reader/ReaderInternals.h
index 53f699e..8522aee 100644
--- a/lib/Bytecode/Reader/ReaderInternals.h
+++ b/lib/Bytecode/Reader/ReaderInternals.h
@@ -180,7 +180,10 @@
   Value      *getValue(unsigned TypeID, unsigned num, bool Create = true);
   const Type *getType(unsigned ID);
   BasicBlock *getBasicBlock(unsigned ID);
-  Constant   *getConstantValue(const Type *Ty, unsigned num);
+  Constant   *getConstantValue(unsigned TypeID, unsigned num);
+  Constant   *getConstantValue(const Type *Ty, unsigned num) {
+    return getConstantValue(getTypeSlot(Ty), num);
+  }
 
   unsigned insertValue(Value *V, ValueTable &Table);
   unsigned insertValue(Value *V, unsigned Type, ValueTable &Table);