[Bug tree-optimization/33344] if(!z) {a.b = x->b + 1; z = &a; } else if (!x) { a.b = z->b+1; x = &a; } use z->b and x->b; is not optimized

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2007-09-08 17:51 -------
Note that basic cleanups after PRE are missing, for example FRE of inserted
loads.
And of course it makes code larger.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33344