diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index b15c4f1..7383fff 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -125,6 +125,11 @@
   void doNopInsertion();
   // Lowers a single instruction.
   void lower();
+  // Tries to do branch optimization on a single instruction.  Returns
+  // true if some optimization was done.
+  virtual bool doBranchOpt(Inst * /*I*/, const CfgNode * /*NextNode*/) {
+    return false;
+  }
 
   // Returns a variable pre-colored to the specified physical
   // register.  This is generally used to get very direct access to