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111
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1 /* { dg-do run { target *-*-linux* *-*-gnu* } } */
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2 /* { dg-do run } */
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3 /* { dg-options "-O2 -fdump-tree-strlen" } */
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4
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5 #define USE_GNU
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6 #include "strlenopt.h"
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7
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8 volatile int v;
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9
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10 size_t __attribute__ ((noinline, noclone))
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11 f1 (char *b)
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12 {
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13 char a[30];
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14 v += 1;
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15 // Should be converted to stpcpy.
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16 strcpy (a, b);
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17 int len1 = strlen (a);
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18 a[0] = '_';
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19 a[1] = 0;
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20 return len1 + strlen (a);
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21 }
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22
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23 size_t __attribute__ ((noinline, noclone))
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24 f2 (char *a, char *b)
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25 {
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26 v += 2;
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27 // Should be converted to stpcpy.
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28 strcpy (a, b);
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29 int len1 = strlen (a);
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30 a[0] = '_';
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31 a[1] = 0;
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32 return len1 + strlen (a);
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33 }
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34
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35 int
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36 main ()
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37 {
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38 char a[30];
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39 if (f1 ("foo") != 4 || f2 (a, "foobar") != 7)
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40 abort ();
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41 return 0;
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42 }
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43
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44 /* { dg-final { scan-tree-dump-times "strlen \\(" 0 "strlen" } } */
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45 /* { dg-final { scan-tree-dump-times "stpcpy \\(" 2 "strlen" } } */
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