Index: lib/Transforms/Coroutines/CoroCleanup.cpp
===================================================================
--- lib/Transforms/Coroutines/CoroCleanup.cpp
+++ lib/Transforms/Coroutines/CoroCleanup.cpp
@@ -101,7 +101,9 @@
 struct CoroCleanup : FunctionPass {
   static char ID; // Pass identification, replacement for typeid
 
-  CoroCleanup() : FunctionPass(ID) {}
+  CoroCleanup() : FunctionPass(ID) {
+    initializeCoroCleanupPass(*PassRegistry::getPassRegistry());
+  }
 
   std::unique_ptr<Lowerer> L;
 
@@ -116,9 +118,10 @@
   }
 
   bool runOnFunction(Function &F) override {
-    if (L)
-      return L->lowerRemainingCoroIntrinsics(F);
-    return false;
+    if (!L || skipFunction(F))
+      return false;
+
+    return L->lowerRemainingCoroIntrinsics(F);
   }
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     if (!L)
Index: lib/Transforms/Coroutines/CoroEarly.cpp
===================================================================
--- lib/Transforms/Coroutines/CoroEarly.cpp
+++ lib/Transforms/Coroutines/CoroEarly.cpp
@@ -183,7 +183,9 @@
 
 struct CoroEarly : public FunctionPass {
   static char ID; // Pass identification, replacement for typeid.
-  CoroEarly() : FunctionPass(ID) {}
+  CoroEarly() : FunctionPass(ID) {
+    initializeCoroEarlyPass(*PassRegistry::getPassRegistry());
+  }
 
   std::unique_ptr<Lowerer> L;
 
@@ -199,7 +201,7 @@
   }
 
   bool runOnFunction(Function &F) override {
-    if (!L)
+    if (!L || skipFunction(F))
       return false;
 
     return L->lowerEarlyIntrinsics(F);
Index: lib/Transforms/Coroutines/CoroElide.cpp
===================================================================
--- lib/Transforms/Coroutines/CoroElide.cpp
+++ lib/Transforms/Coroutines/CoroElide.cpp
@@ -258,7 +258,9 @@
 namespace {
 struct CoroElide : FunctionPass {
   static char ID;
-  CoroElide() : FunctionPass(ID) {}
+  CoroElide() : FunctionPass(ID) {
+    initializeCoroElidePass(*PassRegistry::getPassRegistry());
+  }
 
   std::unique_ptr<Lowerer> L;
 
@@ -269,7 +271,7 @@
   }
 
   bool runOnFunction(Function &F) override {
-    if (!L)
+    if (!L || skipFunction(F))
       return false;
 
     bool Changed = false;
Index: lib/Transforms/Coroutines/CoroSplit.cpp
===================================================================
--- lib/Transforms/Coroutines/CoroSplit.cpp
+++ lib/Transforms/Coroutines/CoroSplit.cpp
@@ -681,7 +681,9 @@
 
 struct CoroSplit : public CallGraphSCCPass {
   static char ID; // Pass identification, replacement for typeid
-  CoroSplit() : CallGraphSCCPass(ID) {}
+  CoroSplit() : CallGraphSCCPass(ID) {
+    initializeCoroSplitPass(*PassRegistry::getPassRegistry());
+  }
 
   bool Run = false;