+// These pass removes llvm.dbg.declare intrinsics.
+ModulePass *createStripDebugDeclarePass();
+
+//===----------------------------------------------------------------------===//
+//
+// These pass removes unused symbols' debug info.
+ModulePass *createStripDeadDebugInfoPass();
+
+//===----------------------------------------------------------------------===//
+/// createConstantMergePass - This function returns a new pass that merges
+/// duplicate global constants together into a single constant that is shared.
+/// This is useful because some passes (ie TraceValues) insert a lot of string
+/// constants into the program, regardless of whether or not they duplicate an
+/// existing string.
+///
+ModulePass *createConstantMergePass();
+
+//===----------------------------------------------------------------------===//
+/// createGlobalOptimizerPass - This function returns a new pass that optimizes
+/// non-address taken internal globals.
+///
+ModulePass *createGlobalOptimizerPass();
+
+//===----------------------------------------------------------------------===//
+/// createGlobalDCEPass - This transform is designed to eliminate unreachable
+/// internal globals (functions or global variables)
+///
+ModulePass *createGlobalDCEPass();
+
+//===----------------------------------------------------------------------===//
+/// createGVExtractionPass - If deleteFn is true, this pass deletes
+/// the specified global values. Otherwise, it deletes as much of the module as
+/// possible, except for the global values specified.
+///
+ModulePass *createGVExtractionPass(std::vector<GlobalValue*>& GVs, bool
+ deleteFn = false);
+
+//===----------------------------------------------------------------------===//
+/// createFunctionInliningPass - Return a new pass object that uses a heuristic
+/// to inline direct function calls to small functions.
+///
+/// The Threshold can be passed directly, or asked to be computed from the
+/// given optimization and size optimization arguments.
+///
+/// The -inline-threshold command line option takes precedence over the
+/// threshold given here.
+Pass *createFunctionInliningPass();
+Pass *createFunctionInliningPass(int Threshold);
+Pass *createFunctionInliningPass(unsigned OptLevel, unsigned SizeOptLevel);
+
+//===----------------------------------------------------------------------===//
+/// createAlwaysInlinerPass - Return a new pass object that inlines only
+/// functions that are marked as "always_inline".
+Pass *createAlwaysInlinerPass();
+Pass *createAlwaysInlinerPass(bool InsertLifetime);
+
+//===----------------------------------------------------------------------===//
+/// createPruneEHPass - Return a new pass object which transforms invoke
+/// instructions into calls, if the callee can _not_ unwind the stack.
+///
+Pass *createPruneEHPass();
+
+//===----------------------------------------------------------------------===//
+/// createInternalizePass - This pass loops over all of the functions in the
+/// input module, internalizing all globals (functions and variables) it can.
+////
+/// The symbols in \p ExportList are never internalized.
+///
+/// The symbol in DSOList are internalized if it is safe to drop them from
+/// the symbol table.
+///
+/// Note that commandline options that are used with the above function are not
+/// used now!
+ModulePass *createInternalizePass(ArrayRef<const char *> ExportList);
+/// createInternalizePass - Same as above, but with an empty exportList.
+ModulePass *createInternalizePass();
+
+//===----------------------------------------------------------------------===//
+/// createDeadArgEliminationPass - This pass removes arguments from functions
+/// which are not used by the body of the function.
+///
+ModulePass *createDeadArgEliminationPass();