diff --git a/include/llvm/CodeGen/Passes.h b/include/llvm/CodeGen/Passes.h
index 7185653081c..42299b52941 100644
--- a/include/llvm/CodeGen/Passes.h
+++ b/include/llvm/CodeGen/Passes.h
@@ -81,6 +81,9 @@ namespace llvm {
 /// MachineDominanaceFrontier - This pass is a machine dominators analysis pass.
   extern char &MachineDominanceFrontierID;
 
+  /// MachineRegionInfo - This pass computes SESE regions for machine functions.
+  extern char &MachineRegionInfoPassID;
+
   /// EdgeBundles analysis - Bundle machine CFG edges.
   extern char &EdgeBundlesID;
 
diff --git a/lib/CodeGen/MachineRegionInfo.cpp b/lib/CodeGen/MachineRegionInfo.cpp
index 254eb44d991..71ad4e6aa7f 100644
--- a/lib/CodeGen/MachineRegionInfo.cpp
+++ b/lib/CodeGen/MachineRegionInfo.cpp
@@ -1,4 +1,3 @@
-
 #include "llvm/CodeGen/MachineRegionInfo.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/RegionInfoImpl.h"
@@ -123,6 +122,7 @@ LLVM_DUMP_METHOD void MachineRegionInfoPass::dump() const {
 #endif
 
 char MachineRegionInfoPass::ID = 0;
+char &MachineRegionInfoPassID = MachineRegionInfoPass::ID;
 
 INITIALIZE_PASS_BEGIN(MachineRegionInfoPass, DEBUG_TYPE,
                       "Detect single entry single exit regions", true, true)