gcc/testsuite/gcc.c-torture/execute/pr79388.c

   1 /* PR rtl-optimization/79388 */
   2 /* { dg-additional-options "-fno-tree-coalesce-vars" } */
   3
   4 unsigned int a, c;
   5
   6 __attribute__ ((noinline, noclone)) unsigned int
   7 foo (unsigned int p)
   8 {
   9   p |= 1;
  10   p &= 0xfffe;
  11   p %= 0xffff;
  12   c = p;
  13   return a + p;
  14 }
  15
  16 int
  17 main (void)
  18 {
  19   int x = foo (6);
  20   if (x != 6)
  21     __builtin_abort();
  22   return 0;
  23 }