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From: Richard Biener <richard.guenther@gmail.com>
Date: Wed, 1 Dec 2021 09:50:51 +0100
Message-ID: <CAFiYyc3m1SZj=J4mbRr1ru94D_-LCQd7wyGYgZY=Lmoj52VaNA@mail.gmail.com>
Subject: Re: [PATCH] tree-optimization/103464 - Also pre-process PHIs in
 range-of-stmt.
To: Andrew MacLeod <amacleod@redhat.com>
Cc: gcc-patches <gcc-patches@gcc.gnu.org>
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On Tue, Nov 30, 2021 at 3:35 PM Andrew MacLeod via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> When I flatten the call stack for range_of_stmt in PR 103231 (
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103231 ), I mention that I
> was only flattening it for chains of statements with range handlers. If
> it turned out that PHI chaining was also a problem, we could also do PHIs.
>
> The cost to do phis is quite nominal, and resolve this testcase...  so
> we might as well do PHIs as well.
>
> Bootstrapped on x86_64-pc-linux-gnu with no regressions.  OK?

OK.

> Andrew