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Re: printing ddg for each basic block

From: Ian Lance Taylor <iant at google dot com>
To: Wei Li <weili747 at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 22 Jul 2009 22:25:39 -0700
Subject: Re: printing ddg for each basic block
References: <c8c64b530907222059m69c6343cm1d082dd8cf4c90c8@mail.gmail.com>

Wei Li <weili747@gmail.com> writes:

> I need to print ddg for each basic block in CFG. I used  option -dv.
> However, it gives a DAG for CFG where each node is a basic block. I
> see a function "vcg_print_ddg(FILE* file, ddg_ptr)" in the ddg.c file.
> It means that you can have a ddg for each basic block in the CVG
> format. How can I activate this using gcc options like -dv etc.?

I don't think you can.  I think that all you can do with that function
is call it from the debugger.

Ian

References:
- printing ddg for each basic block
  - From: Wei Li

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