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| Commit | Line | Data |
|---|---|---|
| ae7a23a3 | 1 | /* Representation of adjustment made to virtual clones in the symbol table. |
| 99dee823 | 2 | Copyright (C) 2003-2021 Free Software Foundation, Inc. |
| ae7a23a3 JH |
3 | Contributed by Jan Hubicka |
| 4 | ||
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify it under | |
| 8 | the terms of the GNU General Public License as published by the Free | |
| 9 | Software Foundation; either version 3, or (at your option) any later | |
| 10 | version. | |
| 11 | ||
| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 | for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GCC; see the file COPYING3. If not see | |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 20 | ||
| 21 | #ifndef GCC_SYMTAB_CLONES_H | |
| 22 | #define GCC_SYMTAB_CLONES_H | |
| 23 | ||
| 24 | struct GTY(()) clone_info | |
| 25 | { | |
| 26 | /* Constructor. */ | |
| 27 | clone_info () | |
| 28 | : tree_map (NULL), | |
| 29 | param_adjustments (NULL), | |
| 30 | performed_splits (NULL) | |
| 31 | { | |
| 32 | } | |
| 33 | /* Constants discovered by IPA-CP, i.e. which parameter should be replaced | |
| 34 | with what. */ | |
| 35 | vec<ipa_replace_map *, va_gc> *tree_map; | |
| 36 | /* Parameter modification that IPA-SRA decided to perform. */ | |
| 37 | ipa_param_adjustments *param_adjustments; | |
| 38 | /* Lists of dummy-decl and offset pairs representing split formal parameters | |
| 39 | in the caller. Offsets of all new replacements are enumerated, those | |
| 40 | coming from the same original parameter have the same dummy decl stored | |
| 41 | along with them. | |
| 42 | ||
| 43 | Dummy decls sit in call statement arguments followed by new parameter | |
| 44 | decls (or their SSA names) in between (caller) clone materialization and | |
| 45 | call redirection. Redirection then recognizes the dummy variable and | |
| 46 | together with the stored offsets can reconstruct what exactly the new | |
| 47 | parameter decls represent and can leave in place only those that the | |
| 48 | callee expects. */ | |
| 49 | vec<ipa_param_performed_split, va_gc> *performed_splits; | |
| 50 | ||
| 51 | /* Return clone_info, if available. */ | |
| 52 | static clone_info *get (cgraph_node *node); | |
| 53 | ||
| 54 | /* Return clone_info possibly creating new one. */ | |
| 55 | static clone_info *get_create (cgraph_node *node); | |
| 56 | ||
| 57 | /* Remove clone_info. */ | |
| 58 | static void remove (cgraph_node *node); | |
| 59 | ||
| 60 | /* Release all clone_infos. */ | |
| 61 | static void release (void); | |
| 62 | }; | |
| 63 | ||
| 64 | /* Return clone_info, if available. */ | |
| 65 | inline clone_info * | |
| 66 | clone_info::get (cgraph_node *node) | |
| 67 | { | |
| 68 | if (!symtab->m_clones) | |
| 69 | return NULL; | |
| 70 | return symtab->m_clones->get (node); | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | /* Remove clone_info association for NODE. */ | |
| 75 | inline void | |
| 76 | clone_info::remove (cgraph_node *node) | |
| 77 | { | |
| 78 | symtab->m_clones->remove (node); | |
| 79 | } | |
| 80 | ||
| 81 | /* Free clone info summaries. */ | |
| 82 | inline void | |
| 83 | clone_info::release () | |
| 84 | { | |
| 85 | if (symtab->m_clones) | |
| 86 | delete (symtab->m_clones); | |
| 87 | symtab->m_clones = NULL; | |
| 88 | } | |
| 89 | ||
| 90 | #endif /* GCC_SYMTAB_CLONES_H */ |