gcc/testsuite/gcc.dg/pr77664.c

   1 /* PR tree-optimization/77664 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 #include "tree-ssa/pr77664.c"
   6
   7 int cnt;
   8
   9 __attribute__((noinline, noclone)) void
  10 foo (void)
  11 {
  12   cnt++;
  13 }
  14
  15 int
  16 main ()
  17 {
  18   fn1 (65534U, 65535U, 7); if (cnt != 1) __builtin_abort ();
  19   fn1 (65534U, 65535U, 0); if (cnt != 1) __builtin_abort ();
  20   fn1 (65535U, 65535U, 1); if (cnt != 1) __builtin_abort ();
  21   fn1 (0, 65535U, 1); if (cnt != 2) __builtin_abort ();
  22   fn1 (-1, 65535U, 1); if (cnt != 2) __builtin_abort ();
  23   fn1 (0, 0, 1); if (cnt != 2) __builtin_abort ();
  24   fn2 (65534U, 65535U, 7); if (cnt != 3) __builtin_abort ();
  25   fn2 (65534U, 65535U, 0); if (cnt != 3) __builtin_abort ();
  26   fn2 (65535U, 65535U, 0); if (cnt != 4) __builtin_abort ();
  27   fn2 (0, 65535U, 0); if (cnt != 4) __builtin_abort ();
  28   fn2 (-1, 65535U, 0); if (cnt != 5) __builtin_abort ();
  29   fn2 (0, 0, 0); if (cnt != 6) __builtin_abort ();
  30   fn3 (-1, 65534U); if (cnt != 7) __builtin_abort ();
  31   fn3 (0, 65534U); if (cnt != 7) __builtin_abort ();
  32   fn3 (65534U, 65534U); if (cnt != 7) __builtin_abort ();
  33   fn3 (65535U, 65534U); if (cnt != 8) __builtin_abort ();
  34   fn3 (0, 0); if (cnt != 8) __builtin_abort ();
  35   fn3 (1, 0); if (cnt != 9) __builtin_abort ();
  36   fn4 (-1, 65534U); if (cnt != 9) __builtin_abort ();
  37   fn4 (0, 65534U); if (cnt != 10) __builtin_abort ();
  38   fn4 (65534U, 65534U); if (cnt != 11) __builtin_abort ();
  39   fn4 (65535U, 65534U); if (cnt != 11) __builtin_abort ();
  40   fn4 (0, 0); if (cnt != 12) __builtin_abort ();
  41   fn4 (1, 0); if (cnt != 12) __builtin_abort ();
  42   fn5 (-1, 65534U); if (cnt != 13) __builtin_abort ();
  43   fn5 (0, 65534U); if (cnt != 13) __builtin_abort ();
  44   fn5 (65534U, 65534U); if (cnt != 13) __builtin_abort ();
  45   fn5 (65535U, 65534U); if (cnt != 14) __builtin_abort ();
  46   fn5 (0, 0); if (cnt != 14) __builtin_abort ();
  47   fn5 (1, 0); if (cnt != 15) __builtin_abort ();
  48   fn6 (-1, 65534U); if (cnt != 15) __builtin_abort ();
  49   fn6 (0, 65534U); if (cnt != 16) __builtin_abort ();
  50   fn6 (65534U, 65534U); if (cnt != 17) __builtin_abort ();
  51   fn6 (65535U, 65534U); if (cnt != 17) __builtin_abort ();
  52   fn6 (0, 0); if (cnt != 18) __builtin_abort ();
  53   fn6 (1, 0); if (cnt != 18) __builtin_abort ();
  54   return 0;
  55 }