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src/hotspot/share/opto/graphKit.hpp

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386     return null_check_common(value, type, true, nullptr, _gvn.type(value)->speculative_always_null());
387   }
388 
389   // Check if value is null and abort if it is
390   Node* must_be_not_null(Node* value, bool do_replace_in_map);
391 
392   // Null check oop.  Return null-path control into (*null_control).
393   // Return a cast-not-null node which depends on the not-null control.
394   // If never_see_null, use an uncommon trap (*null_control sees a top).
395   // The cast is not valid along the null path; keep a copy of the original.
396   // If safe_for_replace, then we can replace the value with the cast
397   // in the parsing map (the cast is guaranteed to dominate the map)
398   Node* null_check_oop(Node* value, Node* *null_control,
399                        bool never_see_null = false,
400                        bool safe_for_replace = false,
401                        bool speculative = false);
402 
403   // Check the null_seen bit.
404   bool seems_never_null(Node* obj, ciProfileData* data, bool& speculating);
405 

406   void guard_klass_being_initialized(Node* klass);
407   void guard_init_thread(Node* klass);
408 
409   void clinit_barrier(ciInstanceKlass* ik, ciMethod* context);
410 
411   // Check for unique class for receiver at call
412   ciKlass* profile_has_unique_klass() {
413     ciCallProfile profile = method()->call_profile_at_bci(bci());
414     if (profile.count() >= 0 &&         // no cast failures here
415         profile.has_receiver(0) &&
416         profile.morphism() == 1) {
417       return profile.receiver(0);
418     }
419     return nullptr;
420   }
421 
422   // record type from profiling with the type system
423   Node* record_profile_for_speculation(Node* n, ciKlass* exact_kls, ProfilePtrKind ptr_kind);
424   void record_profiled_arguments_for_speculation(ciMethod* dest_method, Bytecodes::Code bc);
425   void record_profiled_parameters_for_speculation();

386     return null_check_common(value, type, true, nullptr, _gvn.type(value)->speculative_always_null());
387   }
388 
389   // Check if value is null and abort if it is
390   Node* must_be_not_null(Node* value, bool do_replace_in_map);
391 
392   // Null check oop.  Return null-path control into (*null_control).
393   // Return a cast-not-null node which depends on the not-null control.
394   // If never_see_null, use an uncommon trap (*null_control sees a top).
395   // The cast is not valid along the null path; keep a copy of the original.
396   // If safe_for_replace, then we can replace the value with the cast
397   // in the parsing map (the cast is guaranteed to dominate the map)
398   Node* null_check_oop(Node* value, Node* *null_control,
399                        bool never_see_null = false,
400                        bool safe_for_replace = false,
401                        bool speculative = false);
402 
403   // Check the null_seen bit.
404   bool seems_never_null(Node* obj, ciProfileData* data, bool& speculating);
405 
406   void guard_klass_is_initialized(Node* klass);
407   void guard_klass_being_initialized(Node* klass);
408   void guard_init_thread(Node* klass);
409 
410   void clinit_barrier(ciInstanceKlass* ik, ciMethod* context);
411 
412   // Check for unique class for receiver at call
413   ciKlass* profile_has_unique_klass() {
414     ciCallProfile profile = method()->call_profile_at_bci(bci());
415     if (profile.count() >= 0 &&         // no cast failures here
416         profile.has_receiver(0) &&
417         profile.morphism() == 1) {
418       return profile.receiver(0);
419     }
420     return nullptr;
421   }
422 
423   // record type from profiling with the type system
424   Node* record_profile_for_speculation(Node* n, ciKlass* exact_kls, ProfilePtrKind ptr_kind);
425   void record_profiled_arguments_for_speculation(ciMethod* dest_method, Bytecodes::Code bc);
426   void record_profiled_parameters_for_speculation();
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