--- old/src/share/vm/shark/shark_globals.hpp	2012-11-27 01:39:24.440048437 +0100
+++ new/src/share/vm/shark/shark_globals.hpp	2012-11-27 01:39:24.374048514 +0100
@@ -40,6 +40,12 @@
   product(intx, SharkMaxInlineSize, 32,                                       \
           "Maximum bytecode size of methods to inline when using Shark")      \
                                                                               \
+  product(bool, EliminateNestedLocks, true,                                   \
+          "Eliminate nested locks of the same object when possible")          \
+                                                                              \
+  product(ccstr, SharkOptimizationLevel, "Default",                           \
+          "The optimization level passed to LLVM, possible values: None, Less, Default and Agressive") \
+                                                                              \
   /* compiler debugging */                                                    \
   develop(ccstr, SharkPrintTypeflowOf, NULL,                                  \
           "Print the typeflow of the specified method")                       \
@@ -58,6 +64,10 @@
                                                                               \
   diagnostic(bool, SharkPerformanceWarnings, false,                           \
           "Warn about things that could be made faster")                      \
+                                                                              \
+  develop(ccstr, SharkVerifyFunction, NULL,                                   \
+          "Runs LLVM verify over LLVM IR")                                    \
+
 
 SHARK_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)