From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BEE2A3858D37; Fri, 12 Jan 2024 14:46:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BEE2A3858D37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705070818; bh=mFbXF70Dh/4kYVpE2Owco7FEmvUkzcUs3e3Ro8OTero=; h=From:To:Subject:Date:From; b=YjUPGk+DS8K1lIWDaGlKQILwbhrDDDtyNMBELOggyJojYwQUnCY60RoxTP+E2tFsN 5ZkI1xojI+a+qV8DPYqUmjT0cS0b6u5BbFw/ekv+apuA2I9vCZ0YflSuTKwcHBt95N rASh8SaUAeDJCWEDpBh8sc305TOrQv03CQSe8P3Q= From: "mjires at suse dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113356] New: [14 Regression][aarch64] ICE in try_fuse_pair, at config/aarch64/aarch64-ldp-fusion.cc:2203 since r14-6947-g4b67ec7ff5b1aa Date: Fri, 12 Jan 2024 14:46:58 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mjires at suse dot cz X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcctarget Message-ID: 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=3D113356 Bug ID: 113356 Summary: [14 Regression][aarch64] ICE in try_fuse_pair, at config/aarch64/aarch64-ldp-fusion.cc:2203 since r14-6947-g4b67ec7ff5b1aa Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: mjires at suse dot cz CC: acoplan at gcc dot gnu.org Target Milestone: --- Target: aarch64 Compiling reduced testcase g++.dg/ipa/pr71207.C fails the assert added in r14-6947-g4b67ec7ff5b1aa. $ cat pr71207.C struct Class1 { virtual ~Class1() {} unsigned Field1; }; struct Class4 : virtual Class1 {}; int main() { Class4 var1; } $ aarch64-linux-gnu-g++ pr71207.C -fnon-call-exceptions -mearly-ldp-fusion -fno-lifetime-dse -fno-forward-propagate -Os during RTL pass: ldp_fusion pr71207.C: In destructor =E2=80=98virtual Class4::~Class4()=E2=80=99: pr71207.C:5:8: internal compiler error: in try_fuse_pair, at config/aarch64/aarch64-ldp-fusion.cc:2265 5 | struct Class4 : virtual Class1 {}; | ^~~~~~ 0x2264a33 ldp_bb_info::try_fuse_pair(bool, unsigned int, rtl_ssa::insn_info= *, rtl_ssa::insn_info*) =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2265 0x2264eff ldp_bb_info::merge_pairs(std::__cxx11::list >&, std::__cxx11::list >&, bool, unsigned int) =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2389 0x2265124 ldp_bb_info::transform_for_base(int, access_group&) =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2422 0x226785e void ldp_bb_info::traverse_base_map, int_hash >, access_group, simple_hashmap_traits, int_hash > >, access_group> > >(ordered_hash_map, int_hash >, access_group, simple_hashmap_traits, int_hash > >, access_group> >&) =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2481 0x2265383 ldp_bb_info::transform() =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2489 0x22604ca ldp_fusion_bb(rtl_ssa::bb_info*) =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2717 0x2260554 ldp_fusion() =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2726 0x2260666 execute =20=20=20=20=20=20=20 /home/mjires/git/GCC/master/gcc/config/aarch64/aarch64-ldp-fusion.cc:2776 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. $ aarch64-linux-gnu-g++ -v Using built-in specs. COLLECT_GCC=3Daarch64-linux-gnu-g++ COLLECT_LTO_WRAPPER=3D/home/mjires/built/master/libexec/gcc/aarch64-linux-g= nu/14.0.1/lto-wrapper Target: aarch64-linux-gnu Configured with: /home/mjires/git/GCC/master/configure --prefix=3D/home/mjires/built/master --target=3Daarch64-linux-gnu --disable-bootstrap --enable-languages=3Dc,c++,fortran --disable-multilib --disable-libsanitizer --enable-checking : (reconfigured) /home/mjires/git/GCC/master/configure --prefix=3D/home/mjires/built/master --target=3Daarch64-linux-gnu --disable-bootstrap --enable-languages=3Dc,c++= ,fortran --disable-multilib --disable-libsanitizer --enable-checking Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240112 (experimental) (GCC)=