1084         klass == ciSymbol::java_lang_Integer_IntegerCache()) {
1085       return true;
1086     }
1087   }
1088   return false;
1089 }
1090 
1091 // Fetch the base value in the autobox array
1092 static bool fetch_autobox_base(Compile::AliasType* atp, int& cache_offset) {
1093   if (atp != NULL && atp->field() != NULL) {
1094     ciField* field = atp->field();
1095     ciSymbol* klass = field->holder()->name();
1096     if (field->name() == ciSymbol::cache_field_name() &&
1097         field->holder()->uses_default_loader() &&
1098         klass == ciSymbol::java_lang_Integer_IntegerCache()) {
1099       assert(field->is_constant(), "what?");
1100       ciObjArray* array = field->constant_value().as_object()->as_obj_array();
1101       // Fetch the box object at the base of the array and get its value
1102       ciInstance* box = array->obj_at(0)->as_instance();
1103       ciInstanceKlass* ik = box->klass()->as_instance_klass();
1104       if (ik->nof_nonstatic_fields() == 1) {
1105         // This should be true nonstatic_field_at requires calling
1106         // nof_nonstatic_fields so check it anyway
1107         ciConstant c = box->field_value(ik->nonstatic_field_at(0));
1108         cache_offset = c.as_int();
1109       }
1110       return true;
1111     }
1112   }
1113   return false;
1114 }
1115 
1116 // Returns true if the AliasType refers to the value field of an
1117 // autobox object.  Currently only handles Integer.
1118 static bool is_autobox_object(Compile::AliasType* atp) {
1119   if (atp != NULL && atp->field() != NULL) {
1120     ciField* field = atp->field();
1121     ciSymbol* klass = field->holder()->name();
1122     if (field->name() == ciSymbol::value_name() &&
1123         field->holder()->uses_default_loader() &&
1124         klass == ciSymbol::java_lang_Integer()) {
1125       return true;
1126     }
1127   }

1084         klass == ciSymbol::java_lang_Integer_IntegerCache()) {
1085       return true;
1086     }
1087   }
1088   return false;
1089 }
1090 
1091 // Fetch the base value in the autobox array
1092 static bool fetch_autobox_base(Compile::AliasType* atp, int& cache_offset) {
1093   if (atp != NULL && atp->field() != NULL) {
1094     ciField* field = atp->field();
1095     ciSymbol* klass = field->holder()->name();
1096     if (field->name() == ciSymbol::cache_field_name() &&
1097         field->holder()->uses_default_loader() &&
1098         klass == ciSymbol::java_lang_Integer_IntegerCache()) {
1099       assert(field->is_constant(), "what?");
1100       ciObjArray* array = field->constant_value().as_object()->as_obj_array();
1101       // Fetch the box object at the base of the array and get its value
1102       ciInstance* box = array->obj_at(0)->as_instance();
1103       ciInstanceKlass* ik = box->klass()->as_instance_klass();
1104       if (ik->nonstatic_fields()->length() == 1) {
1105         // This should be true nonstatic_field_at requires calling
1106         // nof_nonstatic_fields so check it anyway
1107         ciConstant c = box->field_value(ik->nonstatic_fields()->at(0));
1108         cache_offset = c.as_int();
1109       }
1110       return true;
1111     }
1112   }
1113   return false;
1114 }
1115 
1116 // Returns true if the AliasType refers to the value field of an
1117 // autobox object.  Currently only handles Integer.
1118 static bool is_autobox_object(Compile::AliasType* atp) {
1119   if (atp != NULL && atp->field() != NULL) {
1120     ciField* field = atp->field();
1121     ciSymbol* klass = field->holder()->name();
1122     if (field->name() == ciSymbol::value_name() &&
1123         field->holder()->uses_default_loader() &&
1124         klass == ciSymbol::java_lang_Integer()) {
1125       return true;
1126     }
1127   }