Add Module as a member of IRBuilder.

Change-Id: I62704b0a33b166f577fd8675bedac8f998d51294
diff --git a/src/compiler_llvm/ir_builder.h b/src/compiler_llvm/ir_builder.h
index b38c7b0..e88073c 100644
--- a/src/compiler_llvm/ir_builder.h
+++ b/src/compiler_llvm/ir_builder.h
@@ -263,7 +263,7 @@
   // Runtime Helper Function (Private)
   //--------------------------------------------------------------------------
 
-  void InitRuntimeSupportFuncDecl(llvm::Module& module);
+  void InitRuntimeSupportFuncDecl();
 
 
   //--------------------------------------------------------------------------
@@ -276,6 +276,8 @@
 
 
  private:
+  llvm::Module* module_;
+
   llvm::PointerType* jobject_type_;
 
   llvm::PointerType* jenv_type_;