diff --git a/include/llvm/Transforms/IPO.h b/include/llvm/Transforms/IPO.h
index 4f0809a69db..0da65307529 100644
--- a/include/llvm/Transforms/IPO.h
+++ b/include/llvm/Transforms/IPO.h
@@ -11,6 +11,13 @@
 class Pass;
 class Function;
 
+//===----------------------------------------------------------------------===//
+// createLowerSetJmpPass - This function lowers the setjmp/longjmp intrinsics to
+// invoke/unwind instructions.  This should really be part of the C/C++
+// front-end, but it's so much easier to write transformations in LLVM proper.
+//
+Pass* createLowerSetJmpPass();
+
 //===----------------------------------------------------------------------===//
 // createConstantMergePass - This function returns a new pass that merges
 // duplicate global constants together into a single constant that is shared.