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Message-ID: <55955BD6.1020407@grosser.es>
Date: Thu, 02 Jul 2015 15:42:00 -0000
From: Tobias Grosser <tobias@grosser.es>
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To: Aditya K <hiraditya@msn.com>, Sebastian Pop <sebpop@gmail.com>
CC: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Discard Scops for which entry==exit
References: <1435608255-10186-1-git-send-email-hiraditya@msn.com>,<CAFk3UF9XGRG+Dx2u17zzLfJEBhcpPXE1RmQrwnH4jaQGvSenTA@mail.gmail.com>,<559232F5.4040206@grosser.es> <BLU179-W36588610078222C4C88213B6A90@phx.gbl>,<5594EDF5.9030404@grosser.es> <BLU179-W45A1512E6820B747F23278B6970@phx.gbl>
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On 07/02/2015 05:37 PM, Aditya K wrote:
> A test case (gcc/testsuite/gcc.dg/graphite/pr18792.c) came up when we removed `graphite-scop-detection.c:limit_scops'.
> The test case is a scop where entry==exit,
>
> BB5 (*#) -> BB6 (#);
> BB6 -> BB5;
>
> In this case BB2 is out of the scop. This is basically an empty (infinite) loop.

LGTM.

Tobias