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131
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1 /* { dg-do run } */
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2 /* { dg-options "-O2 -fdump-tree-strlen" } */
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3
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4 char s[100] = {'a','b','c','d'};
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5 typedef struct { char s[8]; int x; } S;
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6
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7 __attribute__ ((noinline)) int
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8 f1 (S *s)
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9 {
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10 return __builtin_strcmp (s->s, "abc") != 0;
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11 }
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12
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13 __attribute__ ((noinline)) int
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14 f2 (void)
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15 {
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16 return __builtin_strcmp (s, "abc") != 0;
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17 }
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18
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19 __attribute__ ((noinline)) int
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20 f3 (S *s)
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21 {
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22 return __builtin_strcmp ("abc", s->s) != 0;
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23 }
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24
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25 __attribute__ ((noinline)) int
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26 f4 (void)
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27 {
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28 return __builtin_strcmp ("abc", s) != 0;
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29 }
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30
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31 __attribute__ ((noinline)) int
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32 f5 (S *s)
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33 {
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34 return __builtin_strncmp (s->s, "abc", 3) != 0;
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35 }
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36
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37 __attribute__ ((noinline)) int
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38 f6 (void)
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39 {
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40 return __builtin_strncmp (s, "abc", 2) != 0;
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41 }
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42
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43 __attribute__ ((noinline)) int
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44 f7 (S *s)
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45 {
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46 return __builtin_strncmp ("abc", s->s, 3) != 0;
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47 }
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48
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49 __attribute__ ((noinline)) int
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50 f8 (void)
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51 {
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52 return __builtin_strncmp ("abc", s, 2) != 0;
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53 }
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54
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55 int main (void)
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56 {
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57 S ss = {{'a','b','c'}, 2};
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58
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59 if (f1 (&ss) != 0 || f2 () != 1 || f3 (&ss) != 0 ||
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60 f4 () != 1 || f5 (&ss) != 0 || f6 () != 0 ||
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61 f7 (&ss) != 0 || f8 () != 0)
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62 __builtin_abort ();
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63
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64 return 0;
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65 }
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66
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67 /* { dg-final { scan-tree-dump-times "cmp_eq \\(" 8 "strlen" } } */
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