diff --git a/include/llvm/Transforms/IPO.h b/include/llvm/Transforms/IPO.h
index 5094866aacc..2b26afe3263 100644
--- a/include/llvm/Transforms/IPO.h
+++ b/include/llvm/Transforms/IPO.h
@@ -37,6 +37,13 @@ Pass* createLowerSetJmpPass();
 Pass *createConstantMergePass();
 
 
+//===----------------------------------------------------------------------===//
+// createGlobalConstifierPass - This function returns a new pass that marks
+// internal globals "constant" if they are provably never written to.
+//
+Pass *createGlobalConstifierPass();
+
+
 //===----------------------------------------------------------------------===//
 // createRaiseAllocationsPass - Return a new pass that transforms malloc and
 // free function calls into malloc and free instructions.