102   return value;
103 }
104 
105 // ------------------------------------------------------------------
106 // ciArray::element_value_by_offset
107 //
108 // Current value of an element at the specified offset.
109 // Returns T_ILLEGAL if there is no element at the given offset.
110 ciConstant ciArray::element_value_by_offset(intptr_t element_offset) {
111   BasicType elembt = element_basic_type();
112   intptr_t shift  = exact_log2(type2aelembytes(elembt));
113   intptr_t header = arrayOopDesc::base_offset_in_bytes(elembt);
114   intptr_t index = (element_offset - header) >> shift;
115   intptr_t offset = header + ((intptr_t)index << shift);
116   if (offset != element_offset || index != (jint)index || index < 0 || index >= length()) {
117     return ciConstant();
118   }
119   return element_value((jint) index);
120 }
121 





122 // ------------------------------------------------------------------
123 // ciArray::print_impl
124 //
125 // Implementation of the print method.
126 void ciArray::print_impl(outputStream* st) {
127   st->print(" length=%d type=", length());
128   klass()->print(st);
129 }

102   return value;
103 }
104 
105 // ------------------------------------------------------------------
106 // ciArray::element_value_by_offset
107 //
108 // Current value of an element at the specified offset.
109 // Returns T_ILLEGAL if there is no element at the given offset.
110 ciConstant ciArray::element_value_by_offset(intptr_t element_offset) {
111   BasicType elembt = element_basic_type();
112   intptr_t shift  = exact_log2(type2aelembytes(elembt));
113   intptr_t header = arrayOopDesc::base_offset_in_bytes(elembt);
114   intptr_t index = (element_offset - header) >> shift;
115   intptr_t offset = header + ((intptr_t)index << shift);
116   if (offset != element_offset || index != (jint)index || index < 0 || index >= length()) {
117     return ciConstant();
118   }
119   return element_value((jint) index);
120 }
121 
122 bool ciArray::is_null_free() {
123   VM_ENTRY_MARK;
124   return get_oop()->is_null_free_array();
125 }
126 
127 // ------------------------------------------------------------------
128 // ciArray::print_impl
129 //
130 // Implementation of the print method.
131 void ciArray::print_impl(outputStream* st) {
132   st->print(" length=%d type=", length());
133   klass()->print(st);
134 }