Implement runtime support inlining.

Change-Id: I8608b246a4dfde9959b5b86872f65dfa61646c84
diff --git a/src/compiler_llvm/compilation_unit.h b/src/compiler_llvm/compilation_unit.h
index 1db54fc..4b33ece 100644
--- a/src/compiler_llvm/compilation_unit.h
+++ b/src/compiler_llvm/compilation_unit.h
@@ -21,6 +21,8 @@
 #include "globals.h"
 #include "instruction_set.h"
 #include "logging.h"
+#include "runtime_support_builder.h"
+#include "runtime_support_func.h"
 
 #include <UniquePtr.h>
 #include <string>
@@ -100,6 +102,7 @@
 
   UniquePtr<llvm::LLVMContext> context_;
   UniquePtr<IRBuilder> irb_;
+  UniquePtr<RuntimeSupportBuilder> runtime_support_;
   llvm::Module* module_;
 
   std::string elf_image_;