Number of Phi-functions in SSA graph

Bageshri Sathe <bageshri@cse.iitb.ac.in>
24 Mar 2005 21:15:05 -0500

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From: Bageshri Sathe <bageshri@cse.iitb.ac.in>
Newsgroups: comp.compilers
Date: 24 Mar 2005 21:15:05 -0500
Organization: Compilers Central
References: 04-07-030 04-07-041
Keywords: SSA, question
Posted-Date: 24 Mar 2005 21:15:05 EST

Hi,


I was wondering what is the upper bound on number of phi-functions in a
minimal SSA graph. Does it depend upon number of program variables or join
nodes in the CFG or both? Any literature that discusses this? I tried to
search on web but not sure whether this particular issue is discussed
anywhere. Any help would be greatly appreciated.




Bageshri.


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