[LLVMdev] FunctionPass requiring SCCs

[Domagoj Babic]

Chris,

Thx for correcting me. I don't remember how I came to that conclusion.

Domagoj

On 9/29/06, Chris Lattner <sabre at nondot.org> wrote:
> On Fri, 29 Sep 2006, Vikram Adve wrote:
> > On Sep 29, 2006, at 2:05 PM, Domagoj Babic wrote:
> >> Check out scc_* iterators. Also note that the call graph
> >> is not aware of the indirect calls, so you will need to write your
> >> own CG implementation if you need to handle function pointers
> >> soundly.
> > Chris, is this true?  If so, it seems like a bad property for the
> > CallGraphSCCPass framework.
>
> This isn't true.  The *default* implementation of the callgraph interface
> handles function pointers soundly, just non-aggressively: it assumes they
> can point to any function.  Of course you can provide your own
> implementation of the CallGraph interface, or use something more
> aggressive (e.g. DSA).
>
> If you're seeing cases this isn't happening, please file a bug.
>
> -Chris
>
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