From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D540F3858C27; Wed, 6 Apr 2022 11:10:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D540F3858C27 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/105165] ICE in gimple_redirect_edge_and_branch, at tree-cfg.cc:6136 Date: Wed, 06 Apr 2022 11:10:57 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Apr 2022 11:10:57 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105165 --- Comment #4 from Jakub Jelinek --- Outputs from asm goto has been strongly demanded feature from mainly linux kernel folks. Allowing all but complex outputs from asm goto would be just weird. I think if we can't punt on the cplx lowering for certain SSA_NAMEs (force = them to be extracted before all uses instead), we'd need to extract them on all = the edges from the asm goto (if they have a single predecessor, the asm goto, at the start of those bbs, if they have multiple, split the edges and adjust labels) but then we'd need to create PHIs somewhere.=