1// { dg-do compile } 2// { dg-options "-fno-short-enums" } 3 4typedef union tree_node *tree; 5typedef union gimple_statement_d *gimple; 6struct vec_prefix { unsigned num_; }; 7template<typename T> struct vec_t { 8 unsigned length (void) const; 9 T &operator[] (unsigned); 10 vec_prefix prefix_; 11 T vec_[1]; 12}; 13template<typename T> inline unsigned vec_t<T>::length (void) const { 14 return prefix_.num_; 15} 16template<typename T> T & vec_t<T>::operator[] (unsigned ix) { 17 ((void)(__builtin_expect(!(ix < prefix_.num_), 0) ? __builtin_unreachable(), 0 : 0)); 18 return vec_[ix]; 19} 20enum tree_code { PARM_DECL }; 21struct tree_base { 22 enum tree_code code : 16; 23 unsigned default_def_flag : 1; 24}; 25union tree_node { 26 struct tree_base base; 27}; 28struct ipa_param_descriptor { 29 tree decl; 30 unsigned used : 1; 31}; 32typedef struct ipa_param_descriptor ipa_param_descriptor_t; 33struct ipa_node_params { 34 vec_t<ipa_param_descriptor_t> *descriptors; 35}; 36static inline int ipa_get_param_count (struct ipa_node_params *info) { 37 return ((info->descriptors) ? (info->descriptors)->length () : 0); 38} 39static inline tree ipa_get_param (struct ipa_node_params *info, int i) { 40 return ((*(info->descriptors))[i]).decl; 41} 42static inline void ipa_set_param_used (struct ipa_node_params *info, int i, bool val) { 43 ((*(info->descriptors))[i]).used = val; 44} 45int ipa_get_param_decl_index (struct ipa_node_params *info, tree ptree) 46{ 47 int i, count; 48 count = ipa_get_param_count (info); 49 for (i = 0; i < count; i++) 50 if (ipa_get_param (info, i) == ptree) return i; 51 return -1; 52} 53bool visit_ref_for_mod_analysis (gimple stmt __attribute__ ((__unused__)), 54 tree op, void *data) 55{ 56 struct ipa_node_params *info = (struct ipa_node_params *) data; 57 if (op && ((enum tree_code) (op)->base.code) == PARM_DECL) 58 { 59 int index = ipa_get_param_decl_index (info, op); 60 ((void)(__builtin_expect(!(index >= 0), 0) ? __builtin_unreachable(), 0 : 0)); 61 ipa_set_param_used (info, index, true); 62 } 63} 64