gcc/testsuite/gcc.dg/graphite/run-id-pr114041-1.c

   1 /* PR tree-optimization/114041 */
   2 /* { dg-require-effective-target bitint } */
   3 /* { dg-options "-O -fgraphite-identity" } */
   4
   5 unsigned a[24], b[24];
   6
   7 __attribute__((noipa)) unsigned
   8 foo (unsigned _BitInt(8) x)
   9 {
  10   for (int i = 0; i < 24; ++i)
  11     a[i] = i;
  12   unsigned e = __builtin_stdc_bit_ceil (x);
  13   for (int i = 0; i < 24; ++i)
  14     b[i] = i;
  15   return e;
  16 }
  17
  18 int
  19 main ()
  20 {
  21   if (foo (0) != 1)
  22     __builtin_abort ();
  23 }