On Tue, Mar 08, 2011 at 09:54:42AM -0800, Xinliang David Li wrote: > Please review the attached patch, it does some simplification of the > complicated logical or expressions (x1 or x2 or x3 ...) constructed > from control flow analysis into simpler form. BTW, PR47679 is another case of predicates too complicated for tree-ssa-uninit ATM. Jakub