diff --git a/.gitignore b/.gitignore
index 7cdc4a4e..55f655f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ depend
 ispc
 ispc_test
 ispc_ref
+llvm/
 objs
 docs/doxygen
 docs/*.html