Nate Begeman 6791d63e55 Implement a common missing fold, (add (add x, c1), c2) -> (add x, c1+c2). ... This restores all of stanford to being identical with and without the dag combiner with the add folding turned off in sd.cpp. llvm-svn: 23258		2005-09-07 16:09:19 +00:00
llvm	Implement a common missing fold, (add (add x, c1), c2) -> (add x, c1+c2).	2005-09-07 16:09:19 +00:00