gcc/testsuite/gcc.dg/pr66299-3.c

   1 /* PR tree-optimization/66299 */
   2 /* { dg-do run } */
   3 /* { dg-options "-fdump-tree-original" } */
   4
   5 void __attribute__ ((noinline, noclone))
   6 test1 (int x)
   7 {
   8   if ((2 << x) == 1
   9       || (8 << x) == 1
  10       || (8 << x) == 2
  11       || (3072 << x) == 3
  12       || (294912 << x) == 9
  13       || (45056 << x) == 11
  14       || (2176 << x) == 17)
  15     __builtin_abort ();
  16 }
  17
  18 void __attribute__ ((noinline, noclone))
  19 test2 (int x)
  20 {
  21   if ((2 << x) != 1
  22       && (8 << x) != 1
  23       && (8 << x) != 2
  24       && (3072 << x) != 3
  25       && (294912 << x) != 9
  26       && (45056 << x) != 11
  27       && (2176 << x) != 17)
  28     ;
  29   else
  30     __builtin_abort ();
  31 }
  32
  33 void __attribute__ ((noinline, noclone))
  34 test3 (int x)
  35 {
  36   if ((3 << x) == 4
  37       || (1 << x) == 12
  38       || (40 << x) == 1024
  39       || (2 << x) == 84
  40       || (3 << x) == 16384
  41       || (10 << x) == 6144)
  42     __builtin_abort ();
  43 }
  44
  45 void __attribute__ ((noinline, noclone))
  46 test4 (int x)
  47 {
  48   if ((3 << x) != 4
  49       && (1 << x) != 12
  50       && (40 << x) != 1024
  51       && (2 << x) != 84
  52       && (3 << x) != 16384
  53       && (10 << x) != 6144)
  54     ;
  55   else
  56     __builtin_abort ();
  57 }
  58
  59 int
  60 main (void)
  61 {
  62   test1 (0);
  63   test2 (1);
  64   test3 (1);
  65   test4 (2);
  66 }
  67
  68 /* { dg-final { scan-tree-dump-not "(<<|==|!=)" "original" } } */