diff --git a/llvm/lib/Target/AVR/AVR.h b/llvm/lib/Target/AVR/AVR.h
--- a/llvm/lib/Target/AVR/AVR.h
+++ b/llvm/lib/Target/AVR/AVR.h
@@ -32,6 +32,7 @@
 
 void initializeAVRShiftExpandPass(PassRegistry &);
 void initializeAVRExpandPseudoPass(PassRegistry &);
+void initializeAVRFrameAnalyzerPass(PassRegistry &);
 
 /// Contains the AVR backend.
 namespace AVR {
diff --git a/llvm/lib/Target/AVR/AVRFrameLowering.cpp b/llvm/lib/Target/AVR/AVRFrameLowering.cpp
--- a/llvm/lib/Target/AVR/AVRFrameLowering.cpp
+++ b/llvm/lib/Target/AVR/AVRFrameLowering.cpp
@@ -486,3 +486,8 @@
 FunctionPass *createAVRFrameAnalyzerPass() { return new AVRFrameAnalyzer(); }
 
 } // end of namespace llvm
+
+using namespace llvm;
+
+INITIALIZE_PASS(AVRFrameAnalyzer, "avr-frame", "AVR Frame Analyzer", false,
+                false)
diff --git a/llvm/lib/Target/AVR/AVRTargetMachine.cpp b/llvm/lib/Target/AVR/AVRTargetMachine.cpp
--- a/llvm/lib/Target/AVR/AVRTargetMachine.cpp
+++ b/llvm/lib/Target/AVR/AVRTargetMachine.cpp
@@ -95,6 +95,7 @@
   auto &PR = *PassRegistry::getPassRegistry();
   initializeAVRExpandPseudoPass(PR);
   initializeAVRShiftExpandPass(PR);
+  initializeAVRFrameAnalyzerPass(PR);
 }
 
 const AVRSubtarget *AVRTargetMachine::getSubtargetImpl() const {