Mercurial > hg > CbC > CbC_gcc

comparison gcc/ipa-icf.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* Interprocedural semantic function equality pass 1 /* Interprocedural semantic function equality pass
2 Copyright (C) 2014-2017 Free Software Foundation, Inc. 2 Copyright (C) 2014-2018 Free Software Foundation, Inc.
3 3
4 Contributed by Jan Hubicka <hubicka@ucw.cz> and Martin Liska <mliska@suse.cz> 4 Contributed by Jan Hubicka <hubicka@ucw.cz> and Martin Liska <mliska@suse.cz>
5 5
6 This file is part of GCC. 6 This file is part of GCC.
7 7
138 sem_item *item; 138 sem_item *item;
139 139
140 /* Index of usage of such an item. */ 140 /* Index of usage of such an item. */
141 unsigned int index; 141 unsigned int index;
142 }; 142 };
143
144 typedef std::pair<symtab_node *, symtab_node *> symtab_pair;
143 145
144 /* Semantic item is a base class that encapsulates all shared functionality 146 /* Semantic item is a base class that encapsulates all shared functionality
145 for both semantic function and variable items. */ 147 for both semantic function and variable items. */
146 class sem_item 148 class sem_item
147 { 149 {
250 If ADDRESS is true, do extra checking needed for IPA_REF_ADDR. */ 252 If ADDRESS is true, do extra checking needed for IPA_REF_ADDR. */
251 static bool compare_referenced_symbol_properties (symtab_node *used_by, 253 static bool compare_referenced_symbol_properties (symtab_node *used_by,
252 symtab_node *n1, 254 symtab_node *n1,
253 symtab_node *n2, 255 symtab_node *n2,
254 bool address); 256 bool address);
255
256 /* Compare two attribute lists. */
257 static bool compare_attributes (const_tree list1, const_tree list2);
258 257
259 /* Hash properties compared by compare_referenced_symbol_properties. */ 258 /* Hash properties compared by compare_referenced_symbol_properties. */
260 void hash_referenced_symbol_properties (symtab_node *ref, 259 void hash_referenced_symbol_properties (symtab_node *ref,
261 inchash::hash &hstate, 260 inchash::hash &hstate,
262 bool address); 261 bool address);
277 276
278 private: 277 private:
279 /* Initialize internal data structures. Bitmap STACK is used for 278 /* Initialize internal data structures. Bitmap STACK is used for
280 bitmap memory allocation process. */ 279 bitmap memory allocation process. */
281 void setup (bitmap_obstack *stack); 280 void setup (bitmap_obstack *stack);
281
282 /* Because types can be arbitrarily large, avoid quadratic bottleneck. */
283 static hash_map<const_tree, hashval_t> m_type_hash_cache;
282 }; // class sem_item 284 }; // class sem_item
283 285
284 class sem_function: public sem_item 286 class sem_function: public sem_item
285 { 287 {
286 public: 288 public:
520 void add_class (congruence_class *cls); 522 void add_class (congruence_class *cls);
521 523
522 /* Gets a congruence class group based on given HASH value and TYPE. */ 524 /* Gets a congruence class group based on given HASH value and TYPE. */
523 congruence_class_group *get_group_by_hash (hashval_t hash, 525 congruence_class_group *get_group_by_hash (hashval_t hash,
524 sem_item_type type); 526 sem_item_type type);
525
526 /* Because types can be arbitrarily large, avoid quadratic bottleneck. */
527 hash_map<const_tree, hashval_t> m_type_hash_cache;
528 private: 527 private:
529 528
530 /* For each semantic item, append hash values of references. */ 529 /* For each semantic item, append hash values of references. */
531 void update_hash_by_addr_refs (); 530 void update_hash_by_addr_refs ();
532 531
561 to be equal. PREV_CLASS_COUNT is start number of classes 560 to be equal. PREV_CLASS_COUNT is start number of classes
562 before reduction. True is returned if there's a merge operation 561 before reduction. True is returned if there's a merge operation
563 processed. */ 562 processed. */
564 bool merge_classes (unsigned int prev_class_count); 563 bool merge_classes (unsigned int prev_class_count);
565 564
565 /* Fixup points to analysis info. */
566 void fixup_points_to_sets (void);
567
568 /* Fixup points to set PT. */
569 void fixup_pt_set (struct pt_solution *pt);
570
566 /* Adds a newly created congruence class CLS to worklist. */ 571 /* Adds a newly created congruence class CLS to worklist. */
567 void worklist_push (congruence_class *cls); 572 void worklist_push (congruence_class *cls);
568 573
569 /* Pops a class from worklist. */ 574 /* Pops a class from worklist. */
570 congruence_class *worklist_pop (); 575 congruence_class *worklist_pop ();
630 /* Varpool node removal hook holder. */ 635 /* Varpool node removal hook holder. */
631 varpool_node_hook_list *m_varpool_node_hooks; 636 varpool_node_hook_list *m_varpool_node_hooks;
632 637
633 /* Bitmap stack. */ 638 /* Bitmap stack. */
634 bitmap_obstack m_bmstack; 639 bitmap_obstack m_bmstack;
640
641 /* Vector of merged variables. Needed for fixup of points-to-analysis
642 info. */
643 vec <symtab_pair> m_merged_variables;
635 }; // class sem_item_optimizer 644 }; // class sem_item_optimizer
636 645
637 } // ipa_icf namespace 646 } // ipa_icf namespace