diff --git a/pkgs/development/tools/wllvm/default.nix b/pkgs/development/tools/wllvm/default.nix
new file mode 100644
index 000000000000..19bdb1cd9ef7
--- /dev/null
+++ b/pkgs/development/tools/wllvm/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  version = "1.1.3";
+  pname = "wllvm";
+  name = "${pname}-${version}";
+
+  src = python3Packages.fetchPypi {
+    inherit pname version;
+    sha256 = "1scv9bwr888x2km8njg0000xkj8pz73c0gjbphhqaj8vy87y25cb";
+  };
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/travitch/whole-program-llvm;
+    description = "A wrapper script to build whole-program LLVM bitcode files";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mic92 ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a11f09845c58..95f7718031dc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16345,20 +16345,22 @@ with pkgs;
 
   wily = callPackage ../applications/editors/wily { };
 
+  winswitch = callPackage ../tools/X11/winswitch { };
+
+  wings = callPackage ../applications/graphics/wings { };
+
+  wireguard = callPackage ../os-specific/linux/wireguard { };
+
   alsamixer.app = callPackage ../applications/window-managers/windowmaker/dockapps/alsamixer.app.nix { };
 
+  wllvm = callPackage  ../development/tools/wllvm { };
+
   wmcalclock = callPackage ../applications/window-managers/windowmaker/dockapps/wmcalclock.nix { };
 
   wmsm.app = callPackage ../applications/window-managers/windowmaker/dockapps/wmsm.app.nix { };
 
   wmsystemtray = callPackage ../applications/window-managers/windowmaker/dockapps/wmsystemtray.nix { };
 
-  winswitch = callPackage ../tools/X11/winswitch { };
-
-  wings = callPackage ../applications/graphics/wings { };
-
-  wireguard = callPackage ../os-specific/linux/wireguard { };
-
   wmname = callPackage ../applications/misc/wmname { };
 
   wmctrl = callPackage ../tools/X11/wmctrl { };