[LLVMdev] dump cfg after each pass

[Tobias Grosser]

On 10/27/2010 01:59 PM, Xinliang David Li wrote:
> A dumb question -- is there a way to dump cfg after each pass, something
> like: --print-cfg-after=sccp, or is there a standard post-processing script
> that builds the cfg vcg/dot file from the ir dump?

You can use to create a dot file of everyfunction for an normal 
llvm-ir.ll file.

opt -dot-cfg llvm-ir.ll

If you store the dump in a file and use dot this should achieve what you 
want.

Cheers
Tobi