diff --git a/llvm/lib/Analysis/IPA/IPA.cpp b/llvm/lib/Analysis/IPA/IPA.cpp
index 0ba2e04..aa5164e 100644
--- a/llvm/lib/Analysis/IPA/IPA.cpp
+++ b/llvm/lib/Analysis/IPA/IPA.cpp
@@ -20,6 +20,8 @@
 void llvm::initializeIPA(PassRegistry &Registry) {
   initializeBasicCallGraphPass(Registry);
   initializeCallGraphAnalysisGroup(Registry);
+  initializeCallGraphPrinterPass(Registry);
+  initializeCallGraphViewerPass(Registry);
   initializeFindUsedTypesPass(Registry);
   initializeGlobalsModRefPass(Registry);
 }