gcc/ipa-ref-inline.h

   1 /* IPA reference lists.
   2    Copyright (C) 2010-2014 Free Software Foundation, Inc.
   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 /* Return callgraph node REF is referring.  */
  22 static inline struct cgraph_node *
  23 ipa_ref_node (struct ipa_ref *ref)
  24 {
  25   return cgraph (ref->referred);
  26 }
  27
  28 /* Return varpool node REF is referring.  */
  29
  30 static inline varpool_node *
  31 ipa_ref_varpool_node (struct ipa_ref *ref)
  32 {
  33   return varpool (ref->referred);
  34 }
  35
  36 /* Return cgraph node REF is in.  */
  37
  38 static inline struct cgraph_node *
  39 ipa_ref_referring_node (struct ipa_ref *ref)
  40 {
  41   return cgraph (ref->referring);
  42 }
  43
  44 /* Return varpool node REF is in.  */
  45
  46 static inline varpool_node *
  47 ipa_ref_referring_varpool_node (struct ipa_ref *ref)
  48 {
  49   return varpool (ref->referring);
  50 }
  51
  52 /* Return reference list REF is in.  */
  53
  54 static inline struct ipa_ref_list *
  55 ipa_ref_referring_ref_list (struct ipa_ref *ref)
  56 {
  57   return &ref->referring->ref_list;
  58 }
  59
  60 /* Return reference list REF is in.  */
  61
  62 static inline struct ipa_ref_list *
  63 ipa_ref_referred_ref_list (struct ipa_ref *ref)
  64 {
  65   return &ref->referred->ref_list;
  66 }
  67
  68 /* Return first reference in LIST or NULL if empty.  */
  69
  70 static inline struct ipa_ref *
  71 ipa_ref_list_first_reference (struct ipa_ref_list *list)
  72 {
  73   if (!vec_safe_length (list->references))
  74     return NULL;
  75   return &(*list->references)[0];
  76 }
  77
  78 /* Return first referring ref in LIST or NULL if empty.  */
  79
  80 static inline struct ipa_ref *
  81 ipa_ref_list_first_referring (struct ipa_ref_list *list)
  82 {
  83   if (!list->referring.length ())
  84     return NULL;
  85   return list->referring[0];
  86 }
  87
  88 /* Clear reference list.  */
  89
  90 static inline void
  91 ipa_empty_ref_list (struct ipa_ref_list *list)
  92 {
  93   list->referring.create (0);
  94   list->references = NULL;
  95 }
  96
  97 /* Clear reference list.  */
  98
  99 static inline unsigned int
 100 ipa_ref_list_nreferences (struct ipa_ref_list *list)
 101 {
 102   return vec_safe_length (list->references);
 103 }
 104
 105 #define ipa_ref_list_reference_iterate(L,I,P) \
 106    vec_safe_iterate ((L)->references, (I), &(P))
 107 #define ipa_ref_list_referring_iterate(L,I,P) \
 108    (L)->referring.iterate ((I), &(P))