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Re: [tree-ssa] Dce & infinite loops
- From: Paolo Carlini <pcarlini at suse dot de>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: stevenb at suse dot de, gcc at gcc dot gnu dot org
- Date: Thu, 18 Mar 2004 13:29:48 +0100
- Subject: Re: [tree-ssa] Dce & infinite loops
- References: <20040318122130.GA24448@atrey.karlin.mff.cuni.cz>
Zdenek Dvorak wrote:
Hello,
I may be wrong, but IIRC it is incorrect to remove infinite loops, as
happens currently for example for the following code:
Hi Zdenek, a naive reply: I'm almost sure to remember messages pointing
out that in fact we don't want to remove infinite loop and even finite but
redundant ones (empty body).
I will try to dig out something from the archive.
Paolo.