108   // Other map edges may contain locals or monitors, and should not
 109   // be changed in meaning.
 110   //
 111   // If the call traps, the returned map must have a control edge of top.
 112   // If the call can throw, the returned map must report has_exceptions().
 113   //
 114   // If the result is NULL, it means that this CallGenerator was unable
 115   // to handle the given call, and another CallGenerator should be consulted.
 116   virtual JVMState* generate(JVMState* jvms) = 0;
 117 
 118   // How to generate a call site that is inlined:
 119   static CallGenerator* for_inline(ciMethod* m, float expected_uses = -1);
 120   // How to generate code for an on-stack replacement handler.
 121   static CallGenerator* for_osr(ciMethod* m, int osr_bci);
 122 
 123   // How to generate vanilla out-of-line call sites:
 124   static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false);   // static, special
 125   static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index);  // virtual, interface
 126 
 127   static CallGenerator* for_method_handle_call(  JVMState* jvms, ciMethod* caller, ciMethod* callee, bool delayed_forbidden);
 128   static CallGenerator* for_method_handle_inline(JVMState* jvms, ciMethod* caller, ciMethod* callee, bool& input_not_const);
 129 
 130   // How to generate a replace a direct call with an inline version
 131   static CallGenerator* for_late_inline(ciMethod* m, CallGenerator* inline_cg);
 132   static CallGenerator* for_mh_late_inline(ciMethod* caller, ciMethod* callee, bool input_not_const);
 133   static CallGenerator* for_string_late_inline(ciMethod* m, CallGenerator* inline_cg);
 134   static CallGenerator* for_boxing_late_inline(ciMethod* m, CallGenerator* inline_cg);
 135 
 136   // How to make a call but defer the decision whether to inline or not.
 137   static CallGenerator* for_warm_call(WarmCallInfo* ci,
 138                                       CallGenerator* if_cold,
 139                                       CallGenerator* if_hot);
 140 
 141   // How to make a call that optimistically assumes a receiver type:
 142   static CallGenerator* for_predicted_call(ciKlass* predicted_receiver,
 143                                            CallGenerator* if_missed,
 144                                            CallGenerator* if_hit,
 145                                            float hit_prob);
 146 
 147   // How to make a call that optimistically assumes a MethodHandle target:
 148   static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,

 108   // Other map edges may contain locals or monitors, and should not
 109   // be changed in meaning.
 110   //
 111   // If the call traps, the returned map must have a control edge of top.
 112   // If the call can throw, the returned map must report has_exceptions().
 113   //
 114   // If the result is NULL, it means that this CallGenerator was unable
 115   // to handle the given call, and another CallGenerator should be consulted.
 116   virtual JVMState* generate(JVMState* jvms) = 0;
 117 
 118   // How to generate a call site that is inlined:
 119   static CallGenerator* for_inline(ciMethod* m, float expected_uses = -1);
 120   // How to generate code for an on-stack replacement handler.
 121   static CallGenerator* for_osr(ciMethod* m, int osr_bci);
 122 
 123   // How to generate vanilla out-of-line call sites:
 124   static CallGenerator* for_direct_call(ciMethod* m, bool separate_io_projs = false);   // static, special
 125   static CallGenerator* for_virtual_call(ciMethod* m, int vtable_index);  // virtual, interface
 126 
 127   static CallGenerator* for_method_handle_call(  JVMState* jvms, ciMethod* caller, ciMethod* callee, bool delayed_forbidden);
 128   static CallGenerator* for_method_handle_inline(JVMState* jvms, ciMethod* caller, ciMethod* callee, bool& input_not_const, bool delayed_forbidden);
 129 
 130   // How to generate a replace a direct call with an inline version
 131   static CallGenerator* for_late_inline(ciMethod* m, CallGenerator* inline_cg);
 132   static CallGenerator* for_mh_late_inline(ciMethod* caller, ciMethod* callee, bool input_not_const);
 133   static CallGenerator* for_string_late_inline(ciMethod* m, CallGenerator* inline_cg);
 134   static CallGenerator* for_boxing_late_inline(ciMethod* m, CallGenerator* inline_cg);
 135 
 136   // How to make a call but defer the decision whether to inline or not.
 137   static CallGenerator* for_warm_call(WarmCallInfo* ci,
 138                                       CallGenerator* if_cold,
 139                                       CallGenerator* if_hot);
 140 
 141   // How to make a call that optimistically assumes a receiver type:
 142   static CallGenerator* for_predicted_call(ciKlass* predicted_receiver,
 143                                            CallGenerator* if_missed,
 144                                            CallGenerator* if_hit,
 145                                            float hit_prob);
 146 
 147   // How to make a call that optimistically assumes a MethodHandle target:
 148   static CallGenerator* for_predicted_dynamic_call(ciMethodHandle* predicted_method_handle,