gcc/testsuite/c-c++-common/pr84982.c

   1 /* PR tree-optimization/84982 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2" } */
   4
   5 #ifndef __cplusplus
   6 #define bool _Bool
   7 #define true 1
   8 #define false 0
   9 #endif
  10
  11 struct S { bool a, b, c, d; };
  12
  13 __attribute__((noipa)) void
  14 bar (bool *x)
  15 {
  16   if (x[0] || !x[1] || !x[2] || x[3])
  17     __builtin_abort ();
  18 }
  19
  20 __attribute__((noipa)) void
  21 foo (struct S *x)
  22 {
  23   bool a[4];
  24   a[0] = !x->a;
  25   a[1] = !x->b;
  26   a[2] = x->c;
  27   a[3] = !x->d;
  28   bar (a);
  29 }
  30
  31 int
  32 main ()
  33 {
  34   struct S s;
  35   s.a = true; s.b = false; s.c = true; s.d = true;
  36   foo (&s);
  37   return 0;
  38 }