850
851 // Generate a check-cast idiom. Used by both the check-cast bytecode
852 // and the array-store bytecode
853 Node* gen_checkcast( Node *subobj, Node* superkls,
854 Node* *failure_control = NULL );
855
856 Node* gen_subtype_check(Node* subklass, Node* superklass) {
857 MergeMemNode* mem = merged_memory();
858 Node* ctrl = control();
859 Node* n = Phase::gen_subtype_check(subklass, superklass, &ctrl, mem, &_gvn);
860 set_control(ctrl);
861 return n;
862 }
863
864 // Exact type check used for predicted calls and casts.
865 // Rewrites (*casted_receiver) to be casted to the stronger type.
866 // (Caller is responsible for doing replace_in_map.)
867 Node* type_check_receiver(Node* receiver, ciKlass* klass, float prob,
868 Node* *casted_receiver);
869
870 // implementation of object creation
871 Node* set_output_for_allocation(AllocateNode* alloc,
872 const TypeOopPtr* oop_type,
873 bool deoptimize_on_exception=false);
874 Node* get_layout_helper(Node* klass_node, jint& constant_value);
875 Node* new_instance(Node* klass_node,
876 Node* slow_test = NULL,
877 Node* *return_size_val = NULL,
878 bool deoptimize_on_exception = false);
879 Node* new_array(Node* klass_node, Node* count_val, int nargs,
880 Node* *return_size_val = NULL,
881 bool deoptimize_on_exception = false);
882
883 // java.lang.String helpers
884 Node* load_String_length(Node* ctrl, Node* str);
885 Node* load_String_value(Node* ctrl, Node* str);
886 Node* load_String_coder(Node* ctrl, Node* str);
887 void store_String_value(Node* ctrl, Node* str, Node* value);
888 void store_String_coder(Node* ctrl, Node* str, Node* value);
889 Node* capture_memory(const TypePtr* src_type, const TypePtr* dst_type);
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850
851 // Generate a check-cast idiom. Used by both the check-cast bytecode
852 // and the array-store bytecode
853 Node* gen_checkcast( Node *subobj, Node* superkls,
854 Node* *failure_control = NULL );
855
856 Node* gen_subtype_check(Node* subklass, Node* superklass) {
857 MergeMemNode* mem = merged_memory();
858 Node* ctrl = control();
859 Node* n = Phase::gen_subtype_check(subklass, superklass, &ctrl, mem, &_gvn);
860 set_control(ctrl);
861 return n;
862 }
863
864 // Exact type check used for predicted calls and casts.
865 // Rewrites (*casted_receiver) to be casted to the stronger type.
866 // (Caller is responsible for doing replace_in_map.)
867 Node* type_check_receiver(Node* receiver, ciKlass* klass, float prob,
868 Node* *casted_receiver);
869
870 Node* subtype_check_receiver(Node* receiver, ciKlass* klass,
871 Node** casted_receiver);
872
873 // implementation of object creation
874 Node* set_output_for_allocation(AllocateNode* alloc,
875 const TypeOopPtr* oop_type,
876 bool deoptimize_on_exception=false);
877 Node* get_layout_helper(Node* klass_node, jint& constant_value);
878 Node* new_instance(Node* klass_node,
879 Node* slow_test = NULL,
880 Node* *return_size_val = NULL,
881 bool deoptimize_on_exception = false);
882 Node* new_array(Node* klass_node, Node* count_val, int nargs,
883 Node* *return_size_val = NULL,
884 bool deoptimize_on_exception = false);
885
886 // java.lang.String helpers
887 Node* load_String_length(Node* ctrl, Node* str);
888 Node* load_String_value(Node* ctrl, Node* str);
889 Node* load_String_coder(Node* ctrl, Node* str);
890 void store_String_value(Node* ctrl, Node* str, Node* value);
891 void store_String_coder(Node* ctrl, Node* str, Node* value);
892 Node* capture_memory(const TypePtr* src_type, const TypePtr* dst_type);
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