[LLVMdev] question about BasicBlock

Xiaodong Li xli3 at csil-suna33.cs.uiuc.edu
Mon Nov 11 16:23:01 PST 2002

Acutally I mean whether we can start from a node in the graph and follow a
path which might be very long, to reach another node. Is there a quick way
to do that?


On Mon, 11 Nov 2002, Chris Lattner wrote:

> > Is there any simple way to decide whether there is a control path from one
> > Basic Block to another Basic Block?
> No efficient way, but you could do a depth first search...
> If you are looking for a DIRECT connection, try the
> succ_begin()/succ_end() iterators (which loop over successors).
> -Chris
> --
> http://llvm.cs.uiuc.edu/
> http://www.nondot.org/~sabre/Projects/

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