[Bug tree-optimization/23181] [4.1 Regression] Dominator opts slows down bresenham line drawing by roughly 20%

[pinskia at gcc dot gnu dot org]

------- Comment #6 from pinskia at gcc dot gnu dot org  2005-10-12 00:37 -------
Here is a simple testcase:

int g(int);
int f(int i, int j)
{
  i +=1;
  if (j)
   i+=100;
  i+=1;
  g(i);
  return i;
}

Notice how there are two branch in !j case while there should be only one.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |4.1.0
      Known to work|                            |4.0.0 3.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23181