Hi, On Wed, 20 Jun 2007, Kenneth Zadeck wrote:
> For certain regs, the subroutine may or may not modify the value. The > better information alluded to is information that one might get by doing > interprocedural analysis. Without such information you have to assume > that the value may or may not survive. The treatment of these vars is > thus conservative, but correct. I don't understand, wouldn't the consertive approach be that the value simply doesn't survive? bye, Roman