From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CF6C53858438; Wed, 15 Feb 2023 12:38:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CF6C53858438 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676464686; bh=VxwFKVZAXkK0rGWlR1By/j32d3nP8D0rAbAmOPiFfN8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Z5NCJXcjBQVgkqd89hDyGfpBpcNXpqp+6h0AcHwXMAfsnWNTtqZggaeRYi1gIWO5v lzQ5qALqWkxBKtpma9d5+ztlfgb5jdQXsblMcjO+zcfPsa+GKO111RFrw/mF5spouT LucQwjM0Wk9fOd8+KlSCODXUkVTqOCHs/ZVKhpsM= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108783] [13 Regression] ICE: verify_flow_info failed (error: returns_twice call is not first in basic block 3) Date: Wed, 15 Feb 2023 12:38:06 +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: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108783 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #54465|0 |1 is obsolete| | --- Comment #5 from Jakub Jelinek --- Created attachment 54466 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54466&action=3Dedit gcc13-pr108783.patch Better patch. In the original testcase, a && a can be simplified to a desp= ite being (ab), and generally, there is no need to build_and_add_sum if t is the same comparison as curr->op.=