[LLVMdev] question about BasicBlock

[Vikram Adve]

Xiaodong,

Note that there is already a DFS iterator for the CFG.  See
	include/llvm/Support/CFG.h
	include/Support/PostOrderIterator.h

--Vikram
http://www.cs.uiuc.edu/~vadve


> From: Chris Lattner <sabre at nondot.org>
> Subject: Re: [LLVMdev] question about BasicBlock
> Sender: llvmdev-admin at cs.uiuc.edu
> Date: Mon, 11 Nov 2002 16:24:42 -0600 (CST)
> 
> 
> > 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/
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