gcc/ipa-ref-inline.h

   1 /* IPA reference lists.
   2    Copyright (C) 2010
   3    Free Software Foundation, Inc.
   4    Contributed by Jan Hubicka
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 /* Return callgraph node REF is referring.  */
  23 static inline struct cgraph_node *
  24 ipa_ref_node (struct ipa_ref *ref)
  25 {
  26   return cgraph (ref->referred);
  27 }
  28
  29 /* Return varpool node REF is referring.  */
  30
  31 static inline struct varpool_node *
  32 ipa_ref_varpool_node (struct ipa_ref *ref)
  33 {
  34   return varpool (ref->referred);
  35 }
  36
  37 /* Return cgraph node REF is in.  */
  38
  39 static inline struct cgraph_node *
  40 ipa_ref_referring_node (struct ipa_ref *ref)
  41 {
  42   return cgraph (ref->referring);
  43 }
  44
  45 /* Return varpool node REF is in.  */
  46
  47 static inline struct varpool_node *
  48 ipa_ref_referring_varpool_node (struct ipa_ref *ref)
  49 {
  50   return varpool (ref->referring);
  51 }
  52
  53 /* Return reference list REF is in.  */
  54
  55 static inline struct ipa_ref_list *
  56 ipa_ref_referring_ref_list (struct ipa_ref *ref)
  57 {
  58   return &ref->referring->symbol.ref_list;
  59 }
  60
  61 /* Return reference list REF is in.  */
  62
  63 static inline struct ipa_ref_list *
  64 ipa_ref_referred_ref_list (struct ipa_ref *ref)
  65 {
  66   return &ref->referred->symbol.ref_list;
  67 }
  68
  69 /* Return first reference in LIST or NULL if empty.  */
  70
  71 static inline struct ipa_ref *
  72 ipa_ref_list_first_reference (struct ipa_ref_list *list)
  73 {
  74   if (!vec_safe_length (list->references))
  75     return NULL;
  76   return &(*list->references)[0];
  77 }
  78
  79 /* Return first referring ref in LIST or NULL if empty.  */
  80
  81 static inline struct ipa_ref *
  82 ipa_ref_list_first_referring (struct ipa_ref_list *list)
  83 {
  84   if (!list->referring.length ())
  85     return NULL;
  86   return list->referring[0];
  87 }
  88
  89 /* Clear reference list.  */
  90
  91 static inline void
  92 ipa_empty_ref_list (struct ipa_ref_list *list)
  93 {
  94   list->referring.create (0);
  95   list->references = NULL;
  96 }
  97
  98 /* Clear reference list.  */
  99
 100 static inline unsigned int
 101 ipa_ref_list_nreferences (struct ipa_ref_list *list)
 102 {
 103   return vec_safe_length (list->references);
 104 }
 105
 106 #define ipa_ref_list_reference_iterate(L,I,P) \
 107    vec_safe_iterate ((L)->references, (I), &(P))
 108 #define ipa_ref_list_referring_iterate(L,I,P) \
 109    (L)->referring.iterate ((I), &(P))