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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [strlenopt-19.c] - Blame information for rev 695

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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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__attribute__((noinline, noclone)) char *
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fn1 (int x, int y, int z)
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{
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  static char buf[40];
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  const char *p;
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  switch (x)
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    {
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    case 0:
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      p = "abcd";
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      /* Prevent cswitch optimization.  */
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      asm volatile ("" : : : "memory");
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      break;
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    case 1:
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      p = "efgh";
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      break;
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    case 2:
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      p = "ijkl";
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      break;
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    default:
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      p = "mnop";
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      break;
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    }
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  if (y)
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    {
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      strcpy (buf, p);
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      if (z)
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        strcat (buf, "ABCDEFG");
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      else
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        strcat (buf, "HIJKLMN");
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    }
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  else
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    {
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      strcpy (buf, p + 1);
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      if (z)
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        strcat (buf, "OPQ");
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      else
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        strcat (buf, "RST");
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    }
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  return buf;
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}
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int
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main ()
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{
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  int i;
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  for (i = 0; i < 5; i++)
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    {
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      const char *p = "abcdefghijklmnop" + (i < 3 ? i : 3) * 4;
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      const char *q;
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      fn1 (i ? 0 : 1, 1, 1);
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      q = fn1 (i, 0, 0);
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      if (memcmp (q, p + 1, 3) != 0 || memcmp (q + 3, "RST", 4) != 0)
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        abort ();
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      fn1 (i ? 0 : 1, 0, 1);
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      q = fn1 (i, 1, 0);
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      if (memcmp (q, p, 4) != 0 || memcmp (q + 4, "HIJKLMN", 8) != 0)
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        abort ();
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      fn1 (i ? 0 : 1, 1, 0);
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      q = fn1 (i, 0, 1);
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      if (memcmp (q, p + 1, 3) != 0 || memcmp (q + 3, "OPQ", 4) != 0)
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        abort ();
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      fn1 (i ? 0 : 1, 0, 0);
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      q = fn1 (i, 1, 1);
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      if (memcmp (q, p, 4) != 0 || memcmp (q + 4, "ABCDEFG", 8) != 0)
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        abort ();
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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 \\(" 6 "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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