diff --git a/IR2Vec b/IR2Vec
index a9c6073d9125..3e2f3afaf71f 160000
--- a/IR2Vec
+++ b/IR2Vec
@@ -1 +1 @@
-Subproject commit a9c6073d912536c133d83017abf5993bd267f37c
+Subproject commit 3e2f3afaf71f79ef40a4edf4ba3e8048949aef2e
diff --git a/MLCompilerBridge b/MLCompilerBridge
index 62439c9bc20c..d03a012728d1 160000
--- a/MLCompilerBridge
+++ b/MLCompilerBridge
@@ -1 +1 @@
-Subproject commit 62439c9bc20ce2b29e459575afcdd1a9c3e57a1a
+Subproject commit d03a012728d1757350bdae2ace47b7ae4f44d6ea
diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 1d92b9c5d062..92308983213d 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -82,6 +82,12 @@ if( "MLCompilerBridge" IN_LIST LLVM_ENABLE_PROJECTS )
   set( PYTHON_UTILITIES_DIRECTORY ${CMAKE_BINARY_DIR}/tools/MLCompilerBridge/Python-Utilities CACHE PATH "Path to the directory containing the python utilities")
 endif()
 
+option(LLVM_IR2VEC "where to enable IR2Vec as subproject for LLVM" OFF)
+
+if( "IR2Vec" IN_LIST LLVM_ENABLE_PROJECTS )
+  set( LLVM_IR2VEC ON )
+endif()
+
 # LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
 # `LLVM_ENABLE_PROJECTS` CMake cache variable.  This exists for
 # several reasons: