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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [strlenopt-8.c] - Blame information for rev 801

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Line No. Rev Author Line
1 689 jeremybenn 
/* { dg-do run } */
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/* { dg-options "-O2 -fdump-tree-strlen" } */
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#include "strlenopt.h"
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/* Yes, there are people who write code like this.  */
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__attribute__((noinline, noclone)) char *
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foo (int r)
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{
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  char buf[10] = "";
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  strcat (buf, r ? "r" : "w");
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  strcat (buf, "b");
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  return strdup (buf);
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}
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__attribute__((noinline, noclone)) char *
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bar (int r)
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{
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  char buf[10] = {};
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  strcat (buf, r ? "r" : "w");
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  strcat (buf, "b");
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  return strdup (buf);
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}
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int
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main ()
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{
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  char *q = foo (1);
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  if (q != NULL)
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    {
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      if (strcmp (q, "rb"))
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        abort ();
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      free (q);
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    }
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  q = bar (0);
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  if (q != NULL)
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    {
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      if (strcmp (q, "wb"))
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        abort ();
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      free (q);
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    }
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  return 0;
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}
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/* { dg-final { scan-tree-dump-times "strlen \\(" 0 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "memcpy \\(" 4 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
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/* { dg-final { scan-tree-dump-times "stpcpy \\(" 0 "strlen" } } */
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/* { dg-final { cleanup-tree-dump "strlen" } } */

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