Re: Loop dependency analysis for C programs

"neal" <neal.wang@gmail.com>
1 Dec 2006 09:40:09 -0500

          From comp.compilers

Related articles
Loop dependency analysis for C programs renjith.varma@gmail.com (renjith.varma@gmail.com) (2006-11-29)
Re: Loop dependency analysis for C programs DrDiettrich1@aol.com (Hans-Peter Diettrich) (2006-11-29)
Re: Loop dependency analysis for C programs renjith.varma@gmail.com (renjith.varma@gmail.com) (2006-11-30)
Re: Loop dependency analysis for C programs dima@rts.ua (Dmitry Marienko) (2006-12-01)
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Re: Loop dependency analysis for C programs notme@nowhere.com (Paul Anderson) (2006-12-01)
Re: Loop dependency analysis for C programs neal.wang@gmail.com (neal) (2006-12-01)
Re: Loop dependency analysis for C programs robert.hundt@gmail.com (Robert H) (2006-12-03)
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From: "neal" <neal.wang@gmail.com>
Newsgroups: comp.compilers
Date: 1 Dec 2006 09:40:09 -0500
Organization: Compilers Central
References: 06-11-11806-11-134
Keywords: analysis

1. Compute dominance relation of control flow graph.
2. Compute dominance frontiers.
3. Any node which has itself as its dominance frontier is a loop head
node. All nodes dominated by the loop head node are within a loop.
4. After you know which nodes are in a loop, then you can infer the
loop index variables.


      Just google dominance tree or dominance frontiers, you will find the
papers about these algorithms.


Neal


On Nov 29, 11:07 pm, "renjith.va...@gmail.com"
<renjith.va...@gmail.com> wrote:
> Hans-Peter Diettrich wrote:
> > renjith.va...@gmail.com wrote:
>
> > > I am planning to do loop dependency analysis for C programs. Could you
> > > tell me the best way to get the loop structure?
>
> > You want to create an "control flow graph" (CFG). ...


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