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Re: [tree-ssa Too many edges in CFG
On Thu, 2003-05-08 at 11:39, Jason Merrill wrote:
> On 08 May 2003 11:21:02 -0400, Andrew MacLeod <firstname.lastname@example.org> wrote:
> > That won't be good enough, we're going to need those copy-out operations
> > before all function call locations anyway
> Indeed, most non-pure function calls could potentially cause the current
> function to exit abnormally via longjmp or throw.
Or they could use the global, or re-enter a function with static
locals... So the correct memory has to be stored to (and recovered after
the call) if the variables hasn't coalesced with the correct memory
location. Hoipefully that will be rare :-)