sdcc/support/regression/tests/gcc-torture-execute-20071216-1.c

   1 /*
   2    20071216-1.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 /* PR rtl-optimization/34490 */
  12
  13 static int x;
  14
  15 int
  16 bar (void)
  17 {
  18   return x;
  19 }
  20
  21 int
  22 foo (void)
  23 {
  24   long int b = bar ();
  25   if ((unsigned long) b < -4095L)
  26     return b;
  27   if (-b != 38)
  28     b = -2;
  29   return b + 1;
  30 }
  31
  32 void
  33 testTortureExecute (void)
  34 {
  35   x = 26;
  36   if (foo () != 26)
  37     ASSERT (0);
  38   x = -39;
  39   if (foo () != -1)
  40     ASSERT (0);
  41   x = -38;
  42   if (foo () != -37)
  43     ASSERT (0);
  44   return;
  45 }