29 lines
604 B
C
29 lines
604 B
C
/* { dg-do link } */
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/* { dg-options "-O2 -fdump-tree-vrp1" } */
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static inline void do_thing(char *s, int *p, char *q)
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{
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/* This should be folded away. */
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if (s == 0 || q == 0)
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link_error ();
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/* This should not be folded as 'p' is not marked nonnull. */
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if (p)
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*p = 3;
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}
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void __attribute__((nonnull (1, 3))) do_other_thing(char *s, int *p, char *q)
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{
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do_thing(s, p, q);
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}
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int i;
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main()
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{
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do_other_thing ("xxx", &i, "yyy");
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}
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/* { dg-final { scan-tree-dump-times "Folding predicate p_.*" 0 "vrp1" } } */
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/* { dg-final { cleanup-tree-dump "vrp1" } } */
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