3579     return true;
3580   }
3581 
3582   // Not-subtype or the mirror's klass ptr is NULL (in case it is a primitive).
3583   enum { _bad_type_path = 1, _prim_path = 2, _npe_path = 3, PATH_LIMIT };
3584   RegionNode* region = new RegionNode(PATH_LIMIT);
3585   record_for_igvn(region);
3586 
3587   // Now load the mirror's klass metaobject, and null-check it.
3588   // If kls is null, we have a primitive mirror and
3589   // nothing is an instance of a primitive type.
3590   Node* kls = load_klass_from_mirror(mirror, false, region, _prim_path);
3591 
3592   Node* res = top();
3593   if (!stopped()) {
3594     // TODO move this into do_checkcast?
3595     if (EnableValhalla && !obj->is_ValueType() && !is_val_type) {
3596       // Check if (mirror == value_mirror && obj == null)
3597       RegionNode* r = new RegionNode(3);
3598       Node* p = basic_plus_adr(mirror, java_lang_Class::value_mirror_offset_in_bytes());
3599       Node* value_mirror = access_load_at(mirror, p, _gvn.type(p)->is_ptr(), TypeInstPtr::MIRROR, T_OBJECT, IN_HEAP);
3600       Node* cmp = _gvn.transform(new CmpPNode(mirror, value_mirror));
3601       Node* bol = _gvn.transform(new BoolNode(cmp, BoolTest::ne));
3602       Node* if_ne = generate_fair_guard(bol, NULL);
3603       r->init_req(1, if_ne);
3604 
3605       // Casting to .val, check for null
3606       Node* null_ctr = top();
3607       null_check_oop(obj, &null_ctr);
3608       region->init_req(_npe_path, null_ctr);
3609       r->init_req(2, control());
3610 
3611       set_control(_gvn.transform(r));
3612     }
3613 
3614     Node* bad_type_ctrl = top();
3615     // Do checkcast optimizations.
3616     res = gen_checkcast(obj, kls, &bad_type_ctrl);
3617     region->init_req(_bad_type_path, bad_type_ctrl);
3618   }
3619   if (region->in(_prim_path) != top() ||

3579     return true;
3580   }
3581 
3582   // Not-subtype or the mirror's klass ptr is NULL (in case it is a primitive).
3583   enum { _bad_type_path = 1, _prim_path = 2, _npe_path = 3, PATH_LIMIT };
3584   RegionNode* region = new RegionNode(PATH_LIMIT);
3585   record_for_igvn(region);
3586 
3587   // Now load the mirror's klass metaobject, and null-check it.
3588   // If kls is null, we have a primitive mirror and
3589   // nothing is an instance of a primitive type.
3590   Node* kls = load_klass_from_mirror(mirror, false, region, _prim_path);
3591 
3592   Node* res = top();
3593   if (!stopped()) {
3594     // TODO move this into do_checkcast?
3595     if (EnableValhalla && !obj->is_ValueType() && !is_val_type) {
3596       // Check if (mirror == value_mirror && obj == null)
3597       RegionNode* r = new RegionNode(3);
3598       Node* p = basic_plus_adr(mirror, java_lang_Class::value_mirror_offset_in_bytes());
3599       Node* value_mirror = access_load_at(mirror, p, _gvn.type(p)->is_ptr(), TypeInstPtr::MIRROR->cast_to_ptr_type(TypePtr::BotPTR), T_OBJECT, IN_HEAP);
3600       Node* cmp = _gvn.transform(new CmpPNode(mirror, value_mirror));
3601       Node* bol = _gvn.transform(new BoolNode(cmp, BoolTest::ne));
3602       Node* if_ne = generate_fair_guard(bol, NULL);
3603       r->init_req(1, if_ne);
3604 
3605       // Casting to .val, check for null
3606       Node* null_ctr = top();
3607       null_check_oop(obj, &null_ctr);
3608       region->init_req(_npe_path, null_ctr);
3609       r->init_req(2, control());
3610 
3611       set_control(_gvn.transform(r));
3612     }
3613 
3614     Node* bad_type_ctrl = top();
3615     // Do checkcast optimizations.
3616     res = gen_checkcast(obj, kls, &bad_type_ctrl);
3617     region->init_req(_bad_type_path, bad_type_ctrl);
3618   }
3619   if (region->in(_prim_path) != top() ||