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Re: [tree-ssa] Fix tree-ssa-dom, bugs in jump threading
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Jeff Law <law at redhat dot com>
- Date: Mon, 25 Aug 2003 12:33:39 -0400
- Subject: Re: [tree-ssa] Fix tree-ssa-dom, bugs in jump threading
- Organization: Red Hat Canada
- References: <20030823224047.GA14558@atrey.karlin.mff.cuni.cz>
On Sat, 2003-08-23 at 18:40, Zdenek Dvorak wrote:
> this patch fixes a small problem in tree-ssa-dom -- we should not take
> condition on edge coming into block into account if there are other
> predecessors, as then the condition does not have to hold if we arrive
> from the other edge.
>
Looks fine. Could you add a test case for it?
Thanks. Diego.