1 files changed, 1 insertions, 0 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index e385d7f577..57b03b4c48 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -567,6 +567,7 @@ int main(int argc, char **argv) {
   // Initialize passes
   PassRegistry &Registry = *PassRegistry::getPassRegistry();
   initializeCore(Registry);
+  initializeDebugIRPass(Registry);
   initializeScalarOpts(Registry);
   initializeObjCARCOpts(Registry);
   initializeVectorization(Registry);