173 _zcon_max = (uint)T_CONFLICT
174 };
175 ConINode* _icons[_icon_max - _icon_min + 1]; // cached jint constant nodes
176 ConLNode* _lcons[_lcon_max - _lcon_min + 1]; // cached jlong constant nodes
177 ConNode* _zcons[_zcon_max + 1]; // cached is_zero_type nodes
178 void init_con_caches();
179
180 // Support both int and long caches because either might be an intptr_t,
181 // so they show up frequently in address computations.
182
183 public:
184 PhaseTransform( PhaseNumber pnum );
185 PhaseTransform( Arena *arena, PhaseNumber pnum );
186 PhaseTransform( PhaseTransform *phase, PhaseNumber pnum );
187
188 Arena* arena() { return _arena; }
189 Type_Array& types() { return _types; }
190 // _nodes is used in varying ways by subclasses, which define local accessors
191
192 public:
193 // Get a previously recorded type for the node n.
194 // This type must already have been recorded.
195 // If you want the type of a very new (untransformed) node,
196 // you must use type_or_null, and test the result for NULL.
197 const Type* type(const Node* n) const {
198 assert(n != NULL, "must not be null");
199 const Type* t = _types.fast_lookup(n->_idx);
200 assert(t != NULL, "must set before get");
201 return t;
202 }
203 // Get a previously recorded type for the node n,
204 // or else return NULL if there is none.
205 const Type* type_or_null(const Node* n) const {
206 return _types.fast_lookup(n->_idx);
207 }
208 // Record a type for a node.
209 void set_type(const Node* n, const Type *t) {
210 assert(t != NULL, "type must not be null");
211 _types.map(n->_idx, t);
212 }
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173 _zcon_max = (uint)T_CONFLICT
174 };
175 ConINode* _icons[_icon_max - _icon_min + 1]; // cached jint constant nodes
176 ConLNode* _lcons[_lcon_max - _lcon_min + 1]; // cached jlong constant nodes
177 ConNode* _zcons[_zcon_max + 1]; // cached is_zero_type nodes
178 void init_con_caches();
179
180 // Support both int and long caches because either might be an intptr_t,
181 // so they show up frequently in address computations.
182
183 public:
184 PhaseTransform( PhaseNumber pnum );
185 PhaseTransform( Arena *arena, PhaseNumber pnum );
186 PhaseTransform( PhaseTransform *phase, PhaseNumber pnum );
187
188 Arena* arena() { return _arena; }
189 Type_Array& types() { return _types; }
190 // _nodes is used in varying ways by subclasses, which define local accessors
191
192 public:
193 virtual PhaseIterGVN *is_IterGVN() { return 0; }
194
195 // Get a previously recorded type for the node n.
196 // This type must already have been recorded.
197 // If you want the type of a very new (untransformed) node,
198 // you must use type_or_null, and test the result for NULL.
199 const Type* type(const Node* n) const {
200 assert(n != NULL, "must not be null");
201 const Type* t = _types.fast_lookup(n->_idx);
202 assert(t != NULL, "must set before get");
203 return t;
204 }
205 // Get a previously recorded type for the node n,
206 // or else return NULL if there is none.
207 const Type* type_or_null(const Node* n) const {
208 return _types.fast_lookup(n->_idx);
209 }
210 // Record a type for a node.
211 void set_type(const Node* n, const Type *t) {
212 assert(t != NULL, "type must not be null");
213 _types.map(n->_idx, t);
214 }
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