x = new_Cond (new_Proj(cmp, mode_b, Eq));
f = new_Proj (x, mode_X, 0);
t = new_Proj (x, mode_X, 1);
/* generate and fill the then block */
r = new_immBlock ();
x = new_Cond (new_Proj(cmp, mode_b, Eq));
f = new_Proj (x, mode_X, 0);
t = new_Proj (x, mode_X, 1);
/* generate and fill the then block */
r = new_immBlock ();