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From: "zhendong.su at inf dot ethz.ch" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109689] New: ICE at -O1 with "-ftree-vectorize": in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 Date: Mon, 01 May 2023 20:54:49 +0000 [thread overview] Message-ID: <bug-109689-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109689 Bug ID: 109689 Summary: ICE at -O1 with "-ftree-vectorize": in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- This appears to be a very recent regression. Compiler Explorer: https://godbolt.org/z/nv9dPa1Y7 [629] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --prefix=/local/suz-local/software/local/gcc-trunk --enable-languages=c,c++ --disable-werror --disable-multilib Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 20230501 (experimental) (GCC) [630] % [630] % gcctk -O1 -ftree-vectorize small.c during GIMPLE pass: ch_vect small.c: In function ‘main’: small.c:2:5: internal compiler error: in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 2 | int main() { | ^~~~ 0x822c59 check_loop_closed_ssa_def ../../gcc-trunk/gcc/tree-ssa-loop-manip.cc:645 0x11cfc34 check_loop_closed_ssa_bb ../../gcc-trunk/gcc/tree-ssa-loop-manip.cc:659 0x11d18be verify_loop_closed_ssa(bool, loop*) ../../gcc-trunk/gcc/tree-ssa-loop-manip.cc:695 0x11d18be verify_loop_closed_ssa(bool, loop*) ../../gcc-trunk/gcc/tree-ssa-loop-manip.cc:679 0xf243f9 execute_function_todo ../../gcc-trunk/gcc/passes.cc:2116 0xf24bfe execute_todo ../../gcc-trunk/gcc/passes.cc:2152 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. [631] % [631] % cat small.c int a, b, c, d, e; int main() { char f; while (a) { int g, h = 3; if (b) i: if (d) goto j; k: if (a) { j: if (!g) goto k; if (e) { while (e) e = f; h = 0; goto i; } if (!h) for (; g < 1; g++) ; g = ~((~c & h & c) ^ ~g); if (!g) for (; a < 1; a++) f++; } } return 0; }
next reply other threads:[~2023-05-01 20:54 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-01 20:54 zhendong.su at inf dot ethz.ch [this message] 2023-05-01 21:14 ` [Bug tree-optimization/109689] [14 Regression] " pinskia at gcc dot gnu.org 2023-05-01 22:31 ` pinskia at gcc dot gnu.org 2023-05-02 6:30 ` rguenth at gcc dot gnu.org 2023-05-02 8:05 ` rguenth at gcc dot gnu.org 2023-05-02 14:24 ` [Bug tree-optimization/109689] [14 Regression] ICE at -O1 with "-ftree-vectorize": in check_loop_closed_ssa_def, at tree-ssa-loop-manip.cc:645 since r14-301-gf2d6beb7a4ddf1 marxin at gcc dot gnu.org 2023-06-06 5:11 ` pinskia at gcc dot gnu.org 2023-06-06 5:11 ` pinskia at gcc dot gnu.org 2023-06-20 6:34 ` zhendong.su at inf dot ethz.ch 2023-06-23 15:15 ` hubicka at gcc dot gnu.org 2023-06-28 10:23 ` rguenth at gcc dot gnu.org 2023-06-28 10:41 ` hubicka at ucw dot cz 2023-11-05 21:55 ` pinskia at gcc dot gnu.org 2023-11-12 19:13 ` pinskia at gcc dot gnu.org 2023-12-05 7:03 ` sjames at gcc dot gnu.org 2023-12-05 13:16 ` cvs-commit at gcc dot gnu.org 2023-12-05 13:16 ` rguenth at gcc dot gnu.org
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