Index: .gitignore
===================================================================
--- .gitignore
+++ .gitignore
@@ -57,6 +57,8 @@
 !runtimes/*.*
 # Clang, which is tracked independently.
 tools/clang
+# CMark, which is tracked independently.
+tools/cmark
 # LLDB, which is tracked independently.
 tools/lldb
 # lld, which is tracked independently.
@@ -65,6 +67,8 @@
 tools/llgo
 # Polly, which is tracked independently.
 tools/polly
+# Swift, which is tracked independently.
+tools/swift
 # avrlit, which is tracked independently.
 tools/avrlit
 # Sphinx build tree, if building in-source dir.