Quoting Ian Lance Taylor <i...@google.com>:
"H.J. Lu" <hjl.to...@gmail.com> writes:Given a basic block BB, is there a way to tell if it will reach EXIT_BLOCK_PTR?Seems like you should be able to use dominated_by_p.
Unless he wants to know if it will *actually* reach EXIT_BLOCK_PTR, in which case this is a form of the halting problem. E.g. it is not generally correct to move an idempotent side effect out of a loop to a postdominator; you first have to prove that the loop terminates.