sdcc/support/regression/tests/gcc-torture-execute-981019-1.c

   1 /*
   2    981019-1.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 extern int f2(void);
  12 extern int f3(void);
  13 extern void f1(void);
  14
  15 void
  16 ff(int fname, int part, int nparts)
  17 {
  18   if (fname)  /* bb 0 */
  19     {
  20       if (nparts)  /* bb 1 */
  21         f1();  /* bb 2 */
  22     }
  23   else
  24     fname = 2; /* bb 3  */
  25
  26   /* bb 4 is the branch to bb 10
  27      (bb 10 is physically at the end of the loop) */
  28   while (f3() /* bb 10 */)
  29     {
  30       if (nparts /* bb 5 */ && f2() /* bb 6 */)
  31         {
  32           f1();  /* bb 7 ... */
  33           nparts = part;
  34           if (f3())  /* ... bb 7 */
  35             f1();  /* bb 8 */
  36           f1(); /* bb 9 */
  37           break;
  38         }
  39     }
  40
  41   if (nparts)  /* bb 11 */
  42     f1(); /* bb 12 */
  43   return; /* bb 13 */
  44 }
  45
  46 void
  47 testTortureExecute (void)
  48 {
  49   ff(0, 1, 0);
  50   return;
  51 }
  52
  53 int f3(void) { static int x = 0; x = !x; return x; }
  54 void f1(void) { ASSERT(0); }
  55 int f2(void) { ASSERT(0); }
  56