Re: Data flow analysis and constant propagation

Diego Novillo <dnovillo@redhat.com>
27 Apr 2003 02:05:50 -0400

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Related articles
Data flow analysis and constant propagation matt@beastrider.com (Matt) (2003-04-20)
Re: Data flow analysis and constant propagation dnovillo@redhat.com (Diego Novillo) (2003-04-27)
Re: Data flow analysis and constant propagation titzer@expert.ics.purdue.edu (Ben L. Titzer) (2003-04-27)
Re: Data flow analysis and constant propagation matt@peakfive.com (Matt) (2003-05-06)
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From: Diego Novillo <dnovillo@redhat.com>
Newsgroups: comp.compilers
Date: 27 Apr 2003 02:05:50 -0400
Organization: Red Hat Canada
References: 03-04-069
Keywords: analysis
Posted-Date: 27 Apr 2003 02:05:50 EDT
Content-Disposition: inline

On Sun, Apr 20, 2003 at 05:38:30PM -0400, Matt wrote:
> I built a module that's used for doing data flow analysis using a tree
> representation of the flow graph and I'm wondering how hard it is to use
> that tree for constant propagation, or if there are any descriptions of
> how to do this.


We are implementing optimization passes for GCC's tree representation.
One of the passes you may want to check out is SSA CCP:
http://gcc.gnu.org/projects/tree-ssa/ for details.


Diego.

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