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Re: getting non-global variable names from RTL

From: Jim Wilson <wilson at specifixinc dot com>
To: Mihai Burcea <burceam at eecg dot toronto dot edu>
Cc: gcc at gcc dot gnu dot org
Date: Tue, 24 Feb 2004 00:39:53 -0800
Subject: Re: getting non-global variable names from RTL
References: <Pine.LNX.4.44.0402201856090.12539-100000@orange.eecg.toronto.edu>

Mihai Burcea wrote:

I am writing a small optimization pass for gcc-3.3.1, and I would need to be able to identify the arguments that were passed to the current function on the stack with their counterparts from the source code

It sounds like you want some inter-procedural analysis (IPA) info. This is something that gcc does very poorly to not at all.

I suspect the only place that gcc had this info is during function inlining.

There might be some stuff on the tree-ssa branch that would be useful to you. It does have some IPA. I don't know how you would get the information though, as I don't work on the tree-ssa branch.

It would help if you clarified what you want.  Examples are always good.
--
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

Follow-Ups:
- Re: getting non-global variable names from RTL
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References:
- getting non-global variable names from RTL
  - From: Mihai Burcea

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