gcc/testsuite/gcc.c-torture/execute/981019-1.c

   1 /* { dg-skip-if "ptxas seg faults" { nvptx-*-* } { "-O3*" } { "" } } */
   2
   3 extern int f2(void);
   4 extern int f3(void);
   5 extern void f1(void);
   6
   7 void
   8 ff(int fname, int part, int nparts)
   9 {
  10   if (fname)  /* bb 0 */
  11     {
  12       if (nparts)  /* bb 1 */
  13         f1();  /* bb 2 */
  14     }
  15   else
  16     fname = 2; /* bb 3  */
  17
  18   /* bb 4 is the branch to bb 10
  19      (bb 10 is physically at the end of the loop) */
  20   while (f3() /* bb 10 */)
  21     {
  22       if (nparts /* bb 5 */ && f2() /* bb 6 */)
  23         {
  24           f1();  /* bb 7 ... */
  25           nparts = part;
  26           if (f3())  /* ... bb 7 */
  27             f1();  /* bb 8 */
  28           f1(); /* bb 9 */
  29           break;
  30         }
  31     }
  32
  33   if (nparts)  /* bb 11 */
  34     f1(); /* bb 12 */
  35   return; /* bb 13 */
  36 }
  37
  38 int main(void)
  39 {
  40   ff(0, 1, 0);
  41   return 0;
  42 }
  43
  44 int f3(void) { static int x = 0; x = !x; return x; }
  45 void f1(void) { abort(); }
  46 int f2(void) { abort(); }