diff --git a/llvm/lib/Analysis/CMakeLists.txt b/llvm/lib/Analysis/CMakeLists.txt
--- a/llvm/lib/Analysis/CMakeLists.txt
+++ b/llvm/lib/Analysis/CMakeLists.txt
@@ -2,7 +2,7 @@
   include(TensorFlowCompile)
   set(LLVM_INLINER_MODEL_PATH_DEFAULT "models/inliner-Oz")
 
-  set(LLVM_INLINER_MODEL_CURRENT_URL "<UNSPECIFIED>")
+  set(LLVM_INLINER_MODEL_CURRENT_URL "<UNSPECIFIED>" CACHE STRING "URL to download the LLVM inliner model")
 
   if (DEFINED LLVM_HAVE_TF_AOT)
     tf_find_and_compile(
diff --git a/llvm/lib/CodeGen/CMakeLists.txt b/llvm/lib/CodeGen/CMakeLists.txt
--- a/llvm/lib/CodeGen/CMakeLists.txt
+++ b/llvm/lib/CodeGen/CMakeLists.txt
@@ -2,7 +2,7 @@
   include(TensorFlowCompile)
   set(LLVM_RAEVICT_MODEL_PATH_DEFAULT "models/regalloc-eviction")
 
-  set(LLVM_RAEVICT_MODEL_CURRENT_URL "<UNSPECIFIED>")
+  set(LLVM_RAEVICT_MODEL_CURRENT_URL "<UNSPECIFIED>" CACHE STRING "URL to download the LLVM register allocator eviction model")
 
   if (DEFINED LLVM_HAVE_TF_AOT)
     tf_find_and_compile(