src/share/vm/ci/ciMethod.hpp

*** 38,47 ****
--- 38,55 ----
  class MethodLiveness;
  class Arena;
  class BCEscapeAnalyzer;
  class InlineTree;
  
+ // Whether profiling found an oop to be always, never or sometimes
+ // null
+ enum ProfilePtrKind {
+   ProfileAlwaysNull,
+   ProfileNeverNull,
+   ProfileMaybeNull
+ };
+ 
  // ciMethod
  //
  // This class represents a Method* in the HotSpot virtual
  // machine.
  class ciMethod : public ciMetadata {
*** 246,258 ****
    ciTypeFlow*   get_osr_flow_analysis(int osr_bci);  // alternate entry point
    ciCallProfile call_profile_at_bci(int bci);
    int           interpreter_call_site_count(int bci);
  
    // Does type profiling provide any useful information at this point?
!   bool          argument_profiled_type(int bci, int i, ciKlass*& type, bool& maybe_null);
!   bool          parameter_profiled_type(int i, ciKlass*& type, bool& maybe_null);
!   bool          return_profiled_type(int bci, ciKlass*& type, bool& maybe_null);
  
    ciField*      get_field_at_bci( int bci, bool &will_link);
    ciMethod*     get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature);
    ciMethod*     get_method_at_bci(int bci) {
      bool ignored_will_link;
--- 254,266 ----
    ciTypeFlow*   get_osr_flow_analysis(int osr_bci);  // alternate entry point
    ciCallProfile call_profile_at_bci(int bci);
    int           interpreter_call_site_count(int bci);
  
    // Does type profiling provide any useful information at this point?
!   bool          argument_profiled_type(int bci, int i, ciKlass*& type, ProfilePtrKind& ptr_kind);
!   bool          parameter_profiled_type(int i, ciKlass*& type, ProfilePtrKind& ptr_kind);
!   bool          return_profiled_type(int bci, ciKlass*& type, ProfilePtrKind& ptr_kind);
  
    ciField*      get_field_at_bci( int bci, bool &will_link);
    ciMethod*     get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature);
    ciMethod*     get_method_at_bci(int bci) {
      bool ignored_will_link;