804 if (IncrementalInline && call_site_count > 0 &&
805 (input_not_const || !C->inlining_incrementally() || C->over_inlining_cutoff())) {
806 return CallGenerator::for_mh_late_inline(caller, callee, input_not_const);
807 } else {
808 // Out-of-line call.
809 return CallGenerator::for_direct_call(callee);
810 }
811 }
812
813 CallGenerator* CallGenerator::for_method_handle_inline(JVMState* jvms, ciMethod* caller, ciMethod* callee, bool& input_not_const) {
814 GraphKit kit(jvms);
815 PhaseGVN& gvn = kit.gvn();
816 Compile* C = kit.C;
817 vmIntrinsics::ID iid = callee->intrinsic_id();
818 input_not_const = true;
819 switch (iid) {
820 case vmIntrinsics::_invokeBasic:
821 {
822 // Get MethodHandle receiver:
823 Node* receiver = kit.argument(0);
824 if (receiver->Opcode() == Op_ConP) {
825 input_not_const = false;
826 const TypeOopPtr* oop_ptr = receiver->bottom_type()->is_oopptr();
827 ciMethod* target = oop_ptr->const_oop()->as_method_handle()->get_vmtarget();
828 const int vtable_index = Method::invalid_vtable_index;
829 CallGenerator* cg = C->call_generator(target, vtable_index,
830 false /* call_does_dispatch */,
831 jvms,
832 true /* allow_inline */,
833 PROB_ALWAYS);
834 return cg;
835 } else {
836 const char* msg = "receiver not constant";
837 if (PrintInlining) C->print_inlining(callee, jvms->depth() - 1, jvms->bci(), msg);
838 C->log_inline_failure(msg);
839 }
840 }
841 break;
842
843 case vmIntrinsics::_linkToVirtual:
844 case vmIntrinsics::_linkToStatic:
845 case vmIntrinsics::_linkToSpecial:
846 case vmIntrinsics::_linkToInterface:
847 {
848 // Get MemberName argument:
849 Node* member_name = kit.argument(callee->arg_size() - 1);
850 if (member_name->Opcode() == Op_ConP) {
851 input_not_const = false;
852 const TypeOopPtr* oop_ptr = member_name->bottom_type()->is_oopptr();
853 ciMethod* target = oop_ptr->const_oop()->as_member_name()->get_vmtarget();
854
855 // In lambda forms we erase signature types to avoid resolving issues
856 // involving class loaders. When we optimize a method handle invoke
857 // to a direct call we must cast the receiver and arguments to its
858 // actual types.
859 ciSignature* signature = target->signature();
860 const int receiver_skip = target->is_static() ? 0 : 1;
861 // Cast receiver to its type.
862 if (!target->is_static()) {
863 Node* arg = kit.argument(0);
864 const TypeOopPtr* arg_type = arg->bottom_type()->isa_oopptr();
865 const Type* sig_type = TypeOopPtr::make_from_klass(signature->accessing_klass());
866 if (arg_type != NULL && !arg_type->higher_equal(sig_type)) {
867 Node* cast_obj = gvn.transform(new CheckCastPPNode(kit.control(), arg, sig_type));
868 kit.set_argument(0, cast_obj);
869 }
870 }
|
804 if (IncrementalInline && call_site_count > 0 &&
805 (input_not_const || !C->inlining_incrementally() || C->over_inlining_cutoff())) {
806 return CallGenerator::for_mh_late_inline(caller, callee, input_not_const);
807 } else {
808 // Out-of-line call.
809 return CallGenerator::for_direct_call(callee);
810 }
811 }
812
813 CallGenerator* CallGenerator::for_method_handle_inline(JVMState* jvms, ciMethod* caller, ciMethod* callee, bool& input_not_const) {
814 GraphKit kit(jvms);
815 PhaseGVN& gvn = kit.gvn();
816 Compile* C = kit.C;
817 vmIntrinsics::ID iid = callee->intrinsic_id();
818 input_not_const = true;
819 switch (iid) {
820 case vmIntrinsics::_invokeBasic:
821 {
822 // Get MethodHandle receiver:
823 Node* receiver = kit.argument(0);
824 if (receiver->Opcode() == Opcodes::Op_ConP) {
825 input_not_const = false;
826 const TypeOopPtr* oop_ptr = receiver->bottom_type()->is_oopptr();
827 ciMethod* target = oop_ptr->const_oop()->as_method_handle()->get_vmtarget();
828 const int vtable_index = Method::invalid_vtable_index;
829 CallGenerator* cg = C->call_generator(target, vtable_index,
830 false /* call_does_dispatch */,
831 jvms,
832 true /* allow_inline */,
833 PROB_ALWAYS);
834 return cg;
835 } else {
836 const char* msg = "receiver not constant";
837 if (PrintInlining) C->print_inlining(callee, jvms->depth() - 1, jvms->bci(), msg);
838 C->log_inline_failure(msg);
839 }
840 }
841 break;
842
843 case vmIntrinsics::_linkToVirtual:
844 case vmIntrinsics::_linkToStatic:
845 case vmIntrinsics::_linkToSpecial:
846 case vmIntrinsics::_linkToInterface:
847 {
848 // Get MemberName argument:
849 Node* member_name = kit.argument(callee->arg_size() - 1);
850 if (member_name->Opcode() == Opcodes::Op_ConP) {
851 input_not_const = false;
852 const TypeOopPtr* oop_ptr = member_name->bottom_type()->is_oopptr();
853 ciMethod* target = oop_ptr->const_oop()->as_member_name()->get_vmtarget();
854
855 // In lambda forms we erase signature types to avoid resolving issues
856 // involving class loaders. When we optimize a method handle invoke
857 // to a direct call we must cast the receiver and arguments to its
858 // actual types.
859 ciSignature* signature = target->signature();
860 const int receiver_skip = target->is_static() ? 0 : 1;
861 // Cast receiver to its type.
862 if (!target->is_static()) {
863 Node* arg = kit.argument(0);
864 const TypeOopPtr* arg_type = arg->bottom_type()->isa_oopptr();
865 const Type* sig_type = TypeOopPtr::make_from_klass(signature->accessing_klass());
866 if (arg_type != NULL && !arg_type->higher_equal(sig_type)) {
867 Node* cast_obj = gvn.transform(new CheckCastPPNode(kit.control(), arg, sig_type));
868 kit.set_argument(0, cast_obj);
869 }
870 }
|