gcc/testsuite/gcc.dg/tree-ssa/phi-opt-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3
   4 _Bool f1(_Bool a, _Bool b)
   5 {
   6   if (a)
   7    {
   8      if (b)
   9       return 1;
  10      else
  11       return 0;
  12    }
  13   return 0;
  14 }
  15
  16
  17 /* There should be only one if, the outer one; the inner one
  18    should have been changed to straight line code with the
  19    value of b (except that we don't fold ! (b != 0) into b
  20    which can be fixed in a different patch).  */
  21 /* { dg-final { scan-tree-dump-times "if" 1 "optimized"} } */
  22 /* { dg-final { cleanup-tree-dump "optimized" } } */