100 void Instruction::state_values_do(ValueVisitor* f) {
101 if (state_before() != NULL) {
102 state_before()->values_do(f);
103 }
104 if (exception_state() != NULL){
105 exception_state()->values_do(f);
106 }
107 }
108
109 ciType* Instruction::exact_type() const {
110 ciType* t = declared_type();
111 if (t != NULL && t->is_klass()) {
112 return t->as_klass()->exact_klass();
113 }
114 return NULL;
115 }
116
117 bool Instruction::is_flattened_array() const {
118 if (ValueArrayFlatten) {
119 ciType* type = declared_type();
120 if (type != NULL &&
121 type->is_value_array_klass() &&
122 type->as_value_array_klass()->element_klass()->as_value_klass()->flatten_array()) {
123 return true;
124 }
125 }
126
127 return false;
128 }
129
130 #ifndef PRODUCT
131 void Instruction::check_state(ValueStack* state) {
132 if (state != NULL) {
133 state->verify();
134 }
135 }
136
137
138 void Instruction::print() {
139 InstructionPrinter ip;
140 print(ip);
141 }
142
143
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100 void Instruction::state_values_do(ValueVisitor* f) {
101 if (state_before() != NULL) {
102 state_before()->values_do(f);
103 }
104 if (exception_state() != NULL){
105 exception_state()->values_do(f);
106 }
107 }
108
109 ciType* Instruction::exact_type() const {
110 ciType* t = declared_type();
111 if (t != NULL && t->is_klass()) {
112 return t->as_klass()->exact_klass();
113 }
114 return NULL;
115 }
116
117 bool Instruction::is_flattened_array() const {
118 if (ValueArrayFlatten) {
119 ciType* type = declared_type();
120 if (type != NULL && type->is_value_array_klass()) {
121 ciValueKlass* element_klass = type->as_value_array_klass()->element_klass()->as_value_klass();
122 if (!element_klass->is_loaded() || element_klass->flatten_array()) {
123 // Assume that all unloaded value arrays are not flattenable. If they
124 // turn out to be flattenable, we deoptimize on aaload/aastore.
125 return true;
126 }
127 }
128 }
129
130 return false;
131 }
132
133 #ifndef PRODUCT
134 void Instruction::check_state(ValueStack* state) {
135 if (state != NULL) {
136 state->verify();
137 }
138 }
139
140
141 void Instruction::print() {
142 InstructionPrinter ip;
143 print(ip);
144 }
145
146
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