1 /* Copyright (C) 2003 Free Software Foundation.
2
3 Test strlen optimizations on conditional expressions.
4
5 Written by Jakub Jelinek, June 23, 2003. */
6
7 typedef __SIZE_TYPE__ size_t;
8 extern size_t strlen (const char *);
9 extern char *strcpy (char *, const char *);
10 extern int memcmp (const void *, const void *, size_t);
11 extern void abort (void);
12 extern int inside_main;
13
14 size_t g, h, i, j, k, l;
15
16 size_t
foo(void)17 foo (void)
18 {
19 if (l)
20 abort ();
21 return ++l;
22 }
23
24 void
main_test(void)25 main_test (void)
26 {
27 if (strlen (i ? "foo" + 1 : j ? "bar" + 1 : "baz" + 1) != 2)
28 abort ();
29 if (strlen (g++ ? "foo" : "bar") != 3 || g != 1)
30 abort ();
31 if (strlen (h++ ? "xfoo" + 1 : "bar") != 3 || h != 1)
32 abort ();
33 if (strlen ((i++, "baz")) != 3 || i != 1)
34 abort ();
35 /* The following calls might not optimize strlen call away. */
36 inside_main = 0;
37 if (strlen (j ? "foo" + k++ : "bar" + k++) != 3 || k != 1)
38 abort ();
39 if (strlen (foo () ? "foo" : "bar") != 3 || l != 1)
40 abort ();
41 }
42