< prev index next > src/hotspot/share/ci/ciArrayKlass.cpp
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* questions.
*
*/
#include "ci/ciArrayKlass.hpp"
+ #include "ci/ciFlatArrayKlass.hpp"
+ #include "ci/ciInlineKlass.hpp"
#include "ci/ciObjArrayKlass.hpp"
#include "ci/ciTypeArrayKlass.hpp"
#include "ci/ciUtilities.inline.hpp"
#include "memory/universe.hpp"
+ #include "oops/inlineKlass.inline.hpp"
// ciArrayKlass
//
// This class represents a Klass* in the HotSpot virtual machine
// whose Klass part in an ArrayKlass.
// What type is obtained when this array is indexed once?
ciType* ciArrayKlass::element_type() {
if (is_type_array_klass()) {
return ciType::make(as_type_array_klass()->element_type());
} else {
! return as_obj_array_klass()->element_klass()->as_klass();
}
}
// ------------------------------------------------------------------
// What type is obtained when this array is indexed once?
ciType* ciArrayKlass::element_type() {
if (is_type_array_klass()) {
return ciType::make(as_type_array_klass()->element_type());
} else {
! return element_klass()->as_klass();
}
}
// ------------------------------------------------------------------
//
// What type is obtained when this array is indexed as many times as possible?
ciType* ciArrayKlass::base_element_type() {
if (is_type_array_klass()) {
return ciType::make(as_type_array_klass()->element_type());
! } else {
ciKlass* ek = as_obj_array_klass()->base_element_klass();
if (ek->is_type_array_klass()) {
return ciType::make(ek->as_type_array_klass()->element_type());
}
return ek;
}
}
// ------------------------------------------------------------------
//
// What type is obtained when this array is indexed as many times as possible?
ciType* ciArrayKlass::base_element_type() {
if (is_type_array_klass()) {
return ciType::make(as_type_array_klass()->element_type());
! } else if (is_obj_array_klass()) {
ciKlass* ek = as_obj_array_klass()->base_element_klass();
if (ek->is_type_array_klass()) {
return ciType::make(ek->as_type_array_klass()->element_type());
}
return ek;
+ } else {
+ return as_flat_array_klass()->base_element_klass();
}
}
// ------------------------------------------------------------------
// ------------------------------------------------------------------
// ciArrayKlass::make
//
// Make an array klass of the specified element type.
! ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
if (element_type->is_primitive_type()) {
return ciTypeArrayKlass::make(element_type->basic_type());
} else {
! return ciObjArrayKlass::make(element_type->as_klass());
}
}
// ------------------------------------------------------------------
// ciArrayKlass::make
//
// Make an array klass of the specified element type.
! ciArrayKlass* ciArrayKlass::make(ciType* element_type, bool null_free, bool atomic, bool vm_type) {
if (element_type->is_primitive_type()) {
return ciTypeArrayKlass::make(element_type->basic_type());
} else {
! return ciObjArrayKlass::make(element_type->as_klass(), vm_type, null_free, atomic);
}
}
+ int ciArrayKlass::array_header_in_bytes() {
+ return get_ArrayKlass()->array_header_in_bytes();
+ }
+
+ ciInstance* ciArrayKlass::component_mirror_instance() const {
+ GUARDED_VM_ENTRY(
+ oop component_mirror = ArrayKlass::cast(get_Klass())->component_mirror();
+ return CURRENT_ENV->get_instance(component_mirror);
+ )
+ }
+
+ bool ciArrayKlass::is_elem_null_free() const {
+ GUARDED_VM_ENTRY(return is_loaded() && get_Klass()->is_null_free_array_klass();)
+ }
+
+ bool ciArrayKlass::is_elem_atomic() {
+ ciKlass* elem = element_klass();
+ GUARDED_VM_ENTRY(return elem != nullptr && elem->is_inlinetype() &&
+ (ArrayKlass::cast(get_Klass())->properties() & ArrayKlass::ArrayProperties::INVALID) == 0 &&
+ (ArrayKlass::cast(get_Klass())->properties() & ArrayKlass::ArrayProperties::NON_ATOMIC) == 0;)
+ }
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