gcc/testsuite/gcc.dg/tree-ssa/split-path-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fsplit-paths -fno-tree-cselim -fdump-tree-split-paths-details -w" } */
   3
   4 struct __sFILE
   5 {
   6   unsigned char *_p;
   7   int _r;
   8 };
   9 typedef struct __sFILE __FILE;
  10 struct _reent
  11 {
  12   __FILE *_stdin, *_stdout, *_stderr;
  13 };
  14 extern struct _reent *_impure_ptr;
  15 extern char contextbufs[10][1024];
  16 extern int contextoffset;
  17 extern int sflag;
  18 void
  19 givehelp (interactive)
  20      int interactive;
  21 {
  22   if (interactive)
  23     {
  24       while ((--((_impure_ptr->_stdin))->_r <
  25               0 ? __srget_r (_impure_ptr,
  26                              (_impure_ptr->
  27                               _stdin)) : (int) (*((_impure_ptr->_stdin))->
  28                                                 _p++)) != ' ');
  29     }
  30 }
  31
  32 oof ()
  33 {
  34   int bufsize;
  35   int hadnl;
  36   while (1)
  37     {
  38       if (bufsize == (sizeof contextbufs[0]) / 2 - 1)
  39         {
  40           if (contextbufs[0][0] == '*' || contextbufs[0][0] == '@')
  41             treeinsert (ichartosstr (strtosichar (contextbufs[0] + 1, 0), 1),
  42                         (100 + 4 * 20 + 4), contextbufs[0][0] == '*');
  43         }
  44       if (hadnl)
  45         contextoffset = 0;
  46       else
  47         contextoffset += bufsize;
  48       if (sflag)
  49         {
  50           stop ();
  51         }
  52     }
  53 }
  54
  55 void
  56 lookharder (string)
  57      char *string;
  58 {
  59   register char *g;
  60   register char *s;
  61   for (s = string; *s != '\0'; s++)
  62     {
  63       if (*s == '*')
  64         {
  65           *g++ = '.';
  66         }
  67       else
  68         *g++ = *s;
  69     }
  70 }
  71
  72 /* { dg-final { scan-tree-dump-times "Duplicating join block" 3 "split-paths" } } */