Index: include/llvm/module.modulemap
===================================================================
--- include/llvm/module.modulemap
+++ include/llvm/module.modulemap
@@ -101,6 +101,20 @@
   exclude header "ExecutionEngine/OrcMCJITReplacement.h"
 }
 
+module LLVM_Pass {
+  module Pass {
+    // PassSupport.h and PassAnalysisSupport.h are made available only through
+    // Pass.h.
+    header "Pass.h"
+    header "PassSupport.h"
+    header "PassAnalysisSupport.h"
+    export *
+  }
+
+  module PassRegistry { header "PassRegistry.h" export * }
+  module InitializePasses { header "InitializePasses.h" export * }
+}
+
 module LLVM_IR {
   requires cplusplus