165 vtable_index, !call_is_virtual, jvms, allow_inline, prof_factor);
166 if (hit_cg != NULL) {
167 // Look up second receiver.
168 CallGenerator* next_hit_cg = NULL;
169 ciMethod* next_receiver_method = NULL;
170 if (profile.morphism() == 2 && UseBimorphicInlining) {
171 next_receiver_method = call_method->resolve_invoke(jvms->method()->holder(),
172 profile.receiver(1));
173 if (next_receiver_method != NULL) {
174 next_hit_cg = this->call_generator(next_receiver_method,
175 vtable_index, !call_is_virtual, jvms,
176 allow_inline, prof_factor);
177 if (next_hit_cg != NULL && !next_hit_cg->is_inline() &&
178 have_major_receiver && UseOnlyInlinedBimorphic) {
179 // Skip if we can't inline second receiver's method
180 next_hit_cg = NULL;
181 }
182 }
183 }
184 CallGenerator* miss_cg;
185 if (( profile.morphism() == 1 ||
186 (profile.morphism() == 2 && next_hit_cg != NULL) ) &&
187
188 !too_many_traps(Deoptimization::Reason_class_check)
189
190 // Check only total number of traps per method to allow
191 // the transition from monomorphic to bimorphic case between
192 // compilations without falling into virtual call.
193 // A monomorphic case may have the class_check trap flag is set
194 // due to the time gap between the uncommon trap processing
195 // when flags are set in MDO and the call site bytecode execution
196 // in Interpreter when MDO counters are updated.
197 // There was also class_check trap in monomorphic case due to
198 // the bug 6225440.
199
200 ) {
201 // Generate uncommon trap for class check failure path
202 // in case of monomorphic or bimorphic virtual call site.
203 miss_cg = CallGenerator::for_uncommon_trap(call_method,
204 Deoptimization::Reason_class_check,
205 Deoptimization::Action_maybe_recompile);
206 } else {
207 // Generate virtual call for class check failure path
208 // in case of polymorphic virtual call site.
209 miss_cg = CallGenerator::for_virtual_call(call_method, vtable_index);
210 }
211 if (miss_cg != NULL) {
212 if (next_hit_cg != NULL) {
213 NOT_PRODUCT(trace_type_profile(jvms->method(), jvms->depth(), jvms->bci(), next_receiver_method, profile.receiver(1), site_count, profile.receiver_count(1)));
214 // We don't need to record dependency on a receiver here and below.
215 // Whenever we inline, the dependency is added by Parse::Parse().
216 miss_cg = CallGenerator::for_predicted_call(profile.receiver(1), miss_cg, next_hit_cg, PROB_MAX);
217 }
218 if (miss_cg != NULL) {
219 NOT_PRODUCT(trace_type_profile(jvms->method(), jvms->depth(), jvms->bci(), receiver_method, profile.receiver(0), site_count, receiver_count));
220 cg = CallGenerator::for_predicted_call(profile.receiver(0), miss_cg, hit_cg, profile.receiver_prob(0));
221 if (cg != NULL) return cg;
222 }
223 }
224 }
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165 vtable_index, !call_is_virtual, jvms, allow_inline, prof_factor);
166 if (hit_cg != NULL) {
167 // Look up second receiver.
168 CallGenerator* next_hit_cg = NULL;
169 ciMethod* next_receiver_method = NULL;
170 if (profile.morphism() == 2 && UseBimorphicInlining) {
171 next_receiver_method = call_method->resolve_invoke(jvms->method()->holder(),
172 profile.receiver(1));
173 if (next_receiver_method != NULL) {
174 next_hit_cg = this->call_generator(next_receiver_method,
175 vtable_index, !call_is_virtual, jvms,
176 allow_inline, prof_factor);
177 if (next_hit_cg != NULL && !next_hit_cg->is_inline() &&
178 have_major_receiver && UseOnlyInlinedBimorphic) {
179 // Skip if we can't inline second receiver's method
180 next_hit_cg = NULL;
181 }
182 }
183 }
184 CallGenerator* miss_cg;
185 Deoptimization::DeoptReason reason = (profile.morphism() == 2) ?
186 Deoptimization::Reason_bimorphic :
187 Deoptimization::Reason_class_check;
188 if (( profile.morphism() == 1 ||
189 (profile.morphism() == 2 && next_hit_cg != NULL) ) &&
190 !too_many_traps(jvms->method(), jvms->bci(), reason)
191 ) {
192 // Generate uncommon trap for class check failure path
193 // in case of monomorphic or bimorphic virtual call site.
194 miss_cg = CallGenerator::for_uncommon_trap(call_method, reason,
195 Deoptimization::Action_maybe_recompile);
196 } else {
197 // Generate virtual call for class check failure path
198 // in case of polymorphic virtual call site.
199 miss_cg = CallGenerator::for_virtual_call(call_method, vtable_index);
200 }
201 if (miss_cg != NULL) {
202 if (next_hit_cg != NULL) {
203 NOT_PRODUCT(trace_type_profile(jvms->method(), jvms->depth(), jvms->bci(), next_receiver_method, profile.receiver(1), site_count, profile.receiver_count(1)));
204 // We don't need to record dependency on a receiver here and below.
205 // Whenever we inline, the dependency is added by Parse::Parse().
206 miss_cg = CallGenerator::for_predicted_call(profile.receiver(1), miss_cg, next_hit_cg, PROB_MAX);
207 }
208 if (miss_cg != NULL) {
209 NOT_PRODUCT(trace_type_profile(jvms->method(), jvms->depth(), jvms->bci(), receiver_method, profile.receiver(0), site_count, receiver_count));
210 cg = CallGenerator::for_predicted_call(profile.receiver(0), miss_cg, hit_cg, profile.receiver_prob(0));
211 if (cg != NULL) return cg;
212 }
213 }
214 }
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