sdcc/support/regression/tests/gcc-torture-execute-pr49161.c

   1 /*
   2    pr49161.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 /* PR tree-optimization/49161 */
  12
  13 int c;
  14
  15 void
  16 bar (int x)
  17 {
  18   if (x != c++)
  19     ASSERT (0);
  20 }
  21
  22 void
  23 foo (int x)
  24 {
  25   switch (x)
  26     {
  27     case 3: goto l1;
  28     case 4: goto l2;
  29     case 6: goto l3;
  30     default: return;
  31     }
  32 l1:
  33   goto l4;
  34 l2:
  35   goto l4;
  36 l3:
  37   bar (-1);
  38 l4:
  39   bar (0);
  40   if (x != 4)
  41     bar (1);
  42   if (x != 3)
  43     bar (-1);
  44   bar (2);
  45 }
  46
  47 void
  48 testTortureExecute (void)
  49 {
  50 #if !(defined (__GNUC__) && defined (__GNUC_MINOR__) && (__GNUC__ < 5))
  51   foo (3);
  52   if (c != 3)
  53     ASSERT (0);
  54   return;
  55 #endif
  56 }
  57