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Re: [PATCH] Fix PR32921, prune virtual operands of memory accesses based on TBAA

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
Cc: dberlin at dberlin dot org, gcc-patches at gcc dot gnu dot org, iant at google dot com, rguenther at suse dot de
Date: Sat, 20 Oct 2007 09:22:35 +0200
Subject: Re: [PATCH] Fix PR32921, prune virtual operands of memory accesses based on TBAA
References: <Pine.LNX.4.64.0710181535160.4202@zhemvz.fhfr.qr> <200710191838.52673.ebotcazou@adacore.com> <10710192202.AA10469@vlsi1.ultra.nyu.edu>

> I believe that's correct.  Indeed I think it's hard to construct test cases
> that would be triggered by a breakage in that area, though I have seen some
> such cases.

We have a testcase in the gnat.dg testsuite (address_conversion.adb) though, 
but it's indeed ad hoc.

-- 
Eric Botcazou

References:
- [PATCH] Fix PR32921, prune virtual operands of memory accesses based on TBAA
  - From: Richard Guenther
- Re: [PATCH] Fix PR32921, prune virtual operands of memory accesses based on TBAA
  - From: Eric Botcazou
- Re: [PATCH] Fix PR32921, prune virtual operands of memory accesses based on TBAA
  - From: Richard Kenner

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