gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-22.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-ccp1" } */
   3
   4 /* Make sure we propagate through builtins.  */
   5
   6 int foo (unsigned b)
   7 {
   8   unsigned t = -1;
   9   int x = b <= t;
  10   long l = __builtin_expect (x, 0);
  11   return l;
  12 }
  13
  14 /* { dg-final { scan-tree-dump "return 1;" "ccp1" } } */