< prev index next >

src/hotspot/share/ci/ciType.cpp

Print this page

 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "ci/ciEnv.hpp"
 27 #include "ci/ciType.hpp"
 28 #include "ci/ciUtilities.inline.hpp"
 29 #include "memory/resourceArea.hpp"
 30 #include "memory/universe.hpp"
 31 #include "oops/oop.inline.hpp"
 32 
 33 ciType* ciType::_basic_types[T_CONFLICT+1];
 34 
 35 // ciType
 36 //
 37 // This class represents a Java reference or primitive type.
 38 
 39 // ------------------------------------------------------------------
 40 // ciType::ciType
 41 //
 42 ciType::ciType(BasicType basic_type) : ciMetadata() {
 43   assert(basic_type >= T_BOOLEAN && basic_type <= T_CONFLICT, "range check");
 44   _basic_type = basic_type;
 45 }
 46 
 47 ciType::ciType(Klass* k) : ciMetadata(k) {
 48   _basic_type = k->is_array_klass() ? T_ARRAY : T_OBJECT;
 49 }
 50 
 51 
 52 // ------------------------------------------------------------------
 53 // ciType::is_subtype_of
 54 //
 55 bool ciType::is_subtype_of(ciType* type) {
 56   if (this == type)  return true;
 57   if (is_klass() && type->is_klass())

 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "ci/ciEnv.hpp"
 27 #include "ci/ciType.hpp"
 28 #include "ci/ciUtilities.inline.hpp"
 29 #include "memory/resourceArea.hpp"
 30 #include "memory/universe.hpp"
 31 #include "oops/oop.inline.hpp"
 32 
 33 ciType* ciType::_basic_types[T_CONFLICT+1];
 34 
 35 // ciType
 36 //
 37 // This class represents a Java reference, inline type or primitive type.
 38 
 39 // ------------------------------------------------------------------
 40 // ciType::ciType
 41 //
 42 ciType::ciType(BasicType basic_type) : ciMetadata() {
 43   assert(basic_type >= T_BOOLEAN && basic_type <= T_CONFLICT, "range check");
 44   _basic_type = basic_type;
 45 }
 46 
 47 ciType::ciType(Klass* k) : ciMetadata(k) {
 48   _basic_type = k->is_array_klass() ? T_ARRAY : T_OBJECT;
 49 }
 50 
 51 
 52 // ------------------------------------------------------------------
 53 // ciType::is_subtype_of
 54 //
 55 bool ciType::is_subtype_of(ciType* type) {
 56   if (this == type)  return true;
 57   if (is_klass() && type->is_klass())
< prev index next >