gcc/testsuite/gcc.dg/tree-ssa/popcount6.c

   1 // { dg-do compile }
   2 // { dg-options "-O2 -fdump-tree-evrp" }
   3
   4 int g(int n)
   5 {
   6   n &= 0x8000;
   7   if (n == 0)
   8     return 1;
   9   return __builtin_popcount(n);
  10 }
  11
  12 // { dg-final { scan-tree-dump "return 1;" "evrp" } }