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comparison gcc/tree-ssa-live.h @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
comparison
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131:84e7813d76e9 145:1830386684a0
1 /* Routines for liveness in SSA trees. 1 /* Routines for liveness in SSA trees.
2 Copyright (C) 2003-2018 Free Software Foundation, Inc. 2 Copyright (C) 2003-2020 Free Software Foundation, Inc.
3 Contributed by Andrew MacLeod <amacleod@redhat.com> 3 Contributed by Andrew MacLeod <amacleod@redhat.com>
4 4
5 This file is part of GCC. 5 This file is part of GCC.
6 6
7 GCC is free software; you can redistribute it and/or modify 7 GCC is free software; you can redistribute it and/or modify
78 78
79 79
80 /* Value used to represent no partition number. */ 80 /* Value used to represent no partition number. */
81 #define NO_PARTITION -1 81 #define NO_PARTITION -1
82 82
83 extern var_map init_var_map (int, struct loop* = NULL); 83 extern var_map init_var_map (int, class loop* = NULL);
84 extern void delete_var_map (var_map); 84 extern void delete_var_map (var_map);
85 extern int var_union (var_map, tree, tree); 85 extern int var_union (var_map, tree, tree);
86 extern void partition_view_normal (var_map); 86 extern void partition_view_normal (var_map);
87 extern void partition_view_bitmap (var_map, bitmap); 87 extern void partition_view_bitmap (var_map, bitmap);
88 extern void dump_scope_blocks (FILE *, dump_flags_t); 88 extern void dump_scope_blocks (FILE *, dump_flags_t);
264 extern tree_live_info_p calculate_live_ranges (var_map, bool); 264 extern tree_live_info_p calculate_live_ranges (var_map, bool);
265 extern void debug (tree_live_info_d &ref); 265 extern void debug (tree_live_info_d &ref);
266 extern void debug (tree_live_info_d *ptr); 266 extern void debug (tree_live_info_d *ptr);
267 extern void dump_live_info (FILE *, tree_live_info_p, int); 267 extern void dump_live_info (FILE *, tree_live_info_p, int);
268 268
269 typedef hash_map<int_hash <unsigned int, -1U>, unsigned int> live_vars_map;
270 extern vec<bitmap_head> compute_live_vars (struct function *, live_vars_map *);
271 extern bitmap live_vars_at_stmt (vec<bitmap_head> &, live_vars_map *,
272 gimple *);
273 extern void destroy_live_vars (vec<bitmap_head> &);
269 274
270 /* Return TRUE if P is marked as a global in LIVE. */ 275 /* Return TRUE if P is marked as a global in LIVE. */
271 276
272 static inline int 277 static inline int
273 partition_is_global (tree_live_info_p live, int p) 278 partition_is_global (tree_live_info_p live, int p)