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From: "amacleod at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/105276] [12 Regression]  executed once loop not optimized anymore
Date: Thu, 21 Apr 2022 15:46:27 +0000	[thread overview]
Message-ID: <bug-105276-4-F7rNns8gRO@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-105276-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105276

--- Comment #3 from Andrew Macleod <amacleod at redhat dot com> ---
Created attachment 52848
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52848&action=edit
proposed patch

When I removed the recursion from range_of_stmt, I neglected to incorporate the
existing known global range for an ssa-name into the calculated value.

Range_of_stmt does this, but the prefill calculation missed it.  This patch
fixes that oversight.

  parent reply	other threads:[~2022-04-21 15:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-14 13:47 [Bug c/105276] New: " denis.campredon at gmail dot com
2022-04-19  8:29 ` [Bug tree-optimization/105276] " rguenth at gcc dot gnu.org
2022-04-20 15:38 ` jakub at gcc dot gnu.org
2022-04-21 15:46 ` amacleod at redhat dot com [this message]
2022-04-25 13:59 ` cvs-commit at gcc dot gnu.org
2022-04-25 14:27 ` amacleod at redhat dot com

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