sdcc/support/regression/tests/gcc-torture-execute-pr78675.c

   1 /*
   2    pr78675.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma disable_warning 84
   9 #endif
  10
  11 /* PR tree-optimization/78675 */
  12
  13 long int a;
  14
  15 long int
  16 foo (long int x)
  17 {
  18   long int b;
  19   while (a < 1)
  20     {
  21       b = a && x;
  22       ++a;
  23     }
  24   return b;
  25 }
  26
  27 void
  28 testTortureExecute (void)
  29 {
  30   ASSERT (foo (0) == 0);
  31   a = 0;
  32   ASSERT (foo (1) == 0);
  33   a = 0;
  34   ASSERT (foo (25) == 0);
  35   a = -64;
  36   ASSERT (foo (0) == 0);
  37   a = -64;
  38   ASSERT (foo (1) == 0);
  39   a = -64;
  40   ASSERT (foo (25) == 0);
  41   return;
  42 }