gcc/testsuite/gcc.c-torture/execute/pr47148.c

   1 /* PR tree-optimization/47148 */
   2
   3 static inline unsigned
   4 bar (unsigned x, unsigned y)
   5 {
   6   if (y >= 32)
   7     return x;
   8   else
   9     return x >> y;
  10 }
  11
  12 static unsigned a = 1, b = 1;
  13
  14 static inline void
  15 foo (unsigned char x, unsigned y)
  16 {
  17   if (!y)
  18     return;
  19   unsigned c = (0x7000U / (x - 2)) ^ a;
  20   unsigned d = bar (a, a);
  21   b &= ((a - d) && (a - 1)) + c;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   foo (1, 1);
  28   foo (-1, 1);
  29   if (b && ((unsigned char) -1) == 255)
  30     __builtin_abort ();
  31   return 0;
  32 }