diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index 8f7cf1a7868..009bd6ae1ad 100644
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -22,6 +22,7 @@
 #define LLVM_SUPPORT_CALLSITE_H
 
 #include "llvm/Instruction.h"
+#include "llvm/BasicBlock.h"
 
 namespace llvm {
 
@@ -60,6 +61,10 @@ public:
   ///
   Instruction *getInstruction() const { return I; }
 
+  /// getCaller - Return the caller function for this call site
+  ///
+  Function *getCaller() const { return I->getParent()->getParent(); }
+
   /// getCalledValue - Return the pointer to function that is being called...
   ///
   Value *getCalledValue() const {