diff --git a/.gitmodules b/.gitmodules
index bf596bdc1cc47..ea0df22f30c13 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -142,3 +142,7 @@
 	path = helix-syntax/languages/tree-sitter-perl
 	url = https://github.com/ganezdragon/tree-sitter-perl
 	shallow = true
+[submodule "helix-syntax/tree-sitter-llvm"]
+	path = helix-syntax/languages/tree-sitter-llvm
+	url = https://github.com/benwilliamgraham/tree-sitter-llvm
+	shallow = true
diff --git a/book/src/themes.md b/book/src/themes.md
index ecbbb6e9755d2..1c45eee52f0f2 100644
--- a/book/src/themes.md
+++ b/book/src/themes.md
@@ -145,7 +145,7 @@ We use a similar set of scopes as
     - `conditional` - `if`, `else`
     - `repeat` - `for`, `while`, `loop`
     - `import` - `import`, `export`
-    - (TODO: return?)
+    - `return`
   - `directive` - Preprocessor directives (`#if` in C) 
   - `function` - `fn`, `func`
 
diff --git a/languages.toml b/languages.toml
index 5326f9176c24d..5c9192f0e00da 100644
--- a/languages.toml
+++ b/languages.toml
@@ -405,3 +405,11 @@ file-types = ["rkt"]
 shebangs = ["racket"]
 comment-token = ";"
 language-server = { command = "racket", args = ["-l", "racket-langserver"] }
+
+[[language]]
+name = "llvm"
+scope = "source.llvm"
+roots = []
+file-types = ["ll"]
+comment-token = ";"
+indent = { tab-width = 2, unit = "  " }
diff --git a/runtime/queries/llvm/highlights.scm b/runtime/queries/llvm/highlights.scm
new file mode 100644
index 0000000000000..d0c49b74e7331
--- /dev/null
+++ b/runtime/queries/llvm/highlights.scm
@@ -0,0 +1,14 @@
+(type) @type
+(statement) @keyword
+(number) @constant.numeric.integer
+(comment) @comment
+(string) @string
+(label) @label
+(keyword) @keyword
+"ret" @keyword.control.return
+(boolean) @constant.builtin.boolean
+(float) @constant.numeric.float
+(constant) @constant
+(identifier) @variable
+(symbol) @punctuation.delimiter
+(bracket) @punctuation.bracket