diff --git a/lib/Analysis/IPA/FindUsedTypes.cpp b/lib/Analysis/IPA/FindUsedTypes.cpp
index 0916ab8c65f..51d1b419f30 100644
--- a/lib/Analysis/IPA/FindUsedTypes.cpp
+++ b/lib/Analysis/IPA/FindUsedTypes.cpp
@@ -45,6 +45,7 @@ bool FindUsedTypes::run(Module &m) {
     IncorporateType(I->getType());
 
   for (Module::iterator MI = m.begin(), ME = m.end(); MI != ME; ++MI) {
+    IncorporateType(MI->getType());
     const Function &F = *MI;
   
     // Loop over all of the instructions in the function, adding their return