Add header files missing from CMakeLists.txt
diff --git a/source/opt/CMakeLists.txt b/source/opt/CMakeLists.txt
index a0d98ec..906164d 100644
--- a/source/opt/CMakeLists.txt
+++ b/source/opt/CMakeLists.txt
@@ -45,6 +45,8 @@
   inline_pass.h
   insert_extract_elim.h
   instruction.h
+  instruction_list.h
+  ir_builder.h
   ir_context.h
   ir_loader.h
   licm_pass.h
@@ -56,6 +58,7 @@
   log.h
   loop_descriptor.h
   loop_utils.h
+  make_unique.h
   mem_pass.h
   merge_return_pass.h
   module.h