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111
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1 // { dg-do compile }
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2 // { dg-options "-fno-short-enums" }
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3
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4 typedef union tree_node *tree;
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5 typedef union gimple_statement_d *gimple;
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6 struct vec_prefix { unsigned num_; };
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7 template<typename T> struct vec_t {
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8 unsigned length (void) const;
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9 T &operator[] (unsigned);
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10 vec_prefix prefix_;
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11 T vec_[1];
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12 };
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13 template<typename T> inline unsigned vec_t<T>::length (void) const {
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14 return prefix_.num_;
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15 }
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16 template<typename T> T & vec_t<T>::operator[] (unsigned ix) {
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17 ((void)(__builtin_expect(!(ix < prefix_.num_), 0) ? __builtin_unreachable(), 0 : 0));
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18 return vec_[ix];
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19 }
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20 enum tree_code { PARM_DECL };
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21 struct tree_base {
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22 enum tree_code code : 16;
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23 unsigned default_def_flag : 1;
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24 };
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25 union tree_node {
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26 struct tree_base base;
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27 };
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28 struct ipa_param_descriptor {
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29 tree decl;
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30 unsigned used : 1;
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31 };
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32 typedef struct ipa_param_descriptor ipa_param_descriptor_t;
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33 struct ipa_node_params {
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34 vec_t<ipa_param_descriptor_t> *descriptors;
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35 };
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36 static inline int ipa_get_param_count (struct ipa_node_params *info) {
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37 return ((info->descriptors) ? (info->descriptors)->length () : 0);
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38 }
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39 static inline tree ipa_get_param (struct ipa_node_params *info, int i) {
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40 return ((*(info->descriptors))[i]).decl;
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41 }
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42 static inline void ipa_set_param_used (struct ipa_node_params *info, int i, bool val) {
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43 ((*(info->descriptors))[i]).used = val;
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44 }
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45 int ipa_get_param_decl_index (struct ipa_node_params *info, tree ptree)
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46 {
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47 int i, count;
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48 count = ipa_get_param_count (info);
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49 for (i = 0; i < count; i++)
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50 if (ipa_get_param (info, i) == ptree) return i;
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51 return -1;
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52 }
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53 bool visit_ref_for_mod_analysis (gimple stmt __attribute__ ((__unused__)),
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54 tree op, void *data)
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55 {
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56 struct ipa_node_params *info = (struct ipa_node_params *) data;
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57 if (op && ((enum tree_code) (op)->base.code) == PARM_DECL)
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58 {
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59 int index = ipa_get_param_decl_index (info, op);
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60 ((void)(__builtin_expect(!(index >= 0), 0) ? __builtin_unreachable(), 0 : 0));
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61 ipa_set_param_used (info, index, true);
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62 }
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131
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63 } // { dg-warning "control reaches end of non-void function" }
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