a small query about Value numbering

"yugandhar balaji krishna atukuri" <balu.ugandhar@gmail.com>
26 May 2006 01:37:02 -0400

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a small query about Value numbering balu.ugandhar@gmail.com (yugandhar balaji krishna atukuri) (2006-05-26)
Re: a small query about Value numbering Jeremy.Wright@microfocus.com (Jeremy Wright) (2006-05-26)
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From: "yugandhar balaji krishna atukuri" <balu.ugandhar@gmail.com>
Newsgroups: comp.compilers
Date: 26 May 2006 01:37:02 -0400
Organization: Compilers Central
Keywords: analysis, question

can anybody tell me a "case" which cannot be covered by VALUE
NUMBERING and covered by Common subexpression elimination.
personally i believe that Value numbering is Superior to common
subexpression elimination and value numbering can optimize all the
common subexpressions that can be optimized by common subexpression
elimination.




thanks in advance,


--
Keep Smiling
                          Yugandhar



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