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111
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1 /* { dg-do link } */
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2 /* { dg-options "-O2 -fdump-tree-vrp1" } */
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3
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4 void link_error (void);
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5
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6 static inline void do_thing(char *s, int *p, char *q)
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7 {
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8 /* This should be folded away. */
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9 if (s == 0 || q == 0)
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10 link_error ();
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11
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12 /* This should not be folded as 'p' is not marked nonnull. */
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13 if (p)
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14 *p = 3;
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15 }
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16
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17 void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q)
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18 {
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19 do_thing(s, p, q);
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20 }
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21
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22 int i;
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23
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24 int
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25 main()
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26 {
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27 do_other_thing ("xxx", &i, "yyy");
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28 }
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29
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30 /* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */
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