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From: "suochenyao at 163 dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102385] New: ICE: in single_pred_edge, at basic-block.h:350 under "-O2 -fno-toplevel-reorder -fno-tree-ch -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-loop-ivcanon -fpredictive-commoning" Date: Fri, 17 Sep 2021 07:15:31 +0000 [thread overview] Message-ID: <bug-102385-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102385 Bug ID: 102385 Summary: ICE: in single_pred_edge, at basic-block.h:350 under "-O2 -fno-toplevel-reorder -fno-tree-ch -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-loop-ivcanon -fpredictive-commoning" Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: suochenyao at 163 dot com Target Milestone: --- ******************************************************************************* OS and Platform: CentOS Linux release 7.8.2003 (Core), x86_64 GNU/Linux ******************************************************************************* Program: short a, b; int c[9]; void(d)() {} void e() { a = 0; for (; a <= 4; a++) { short *f = &b; c[a] || (*f = 0); d(c[a + 2]); } } int main() {return 0;} ******************************************************************************* gcc version: $ gcc -v Using built-in specs. COLLECT_GCC=/data/bin/gcc-dev/bin/gcc COLLECT_LTO_WRAPPER=/data/bin/gcc-dev/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --prefix=/data/bin/gcc-dev --disable-multilib --enable-languages=c,c++ Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210916 (experimental) (GCC) git version: 745781d24cd7562202687cfbe05597ee673d4537 ******************************************************************************* Command Lines: $ gcc -Wall -Wextra -O2 -fno-toplevel-reorder -fno-tree-ch -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-loop-ivcanon -fpredictive-commoning a.c during GIMPLE pass: pcom a.c: In function ‘e’: a.c:4:6: internal compiler error: in single_pred_edge, at basic-block.h:350 4 | void e() { | ^ 0x773ee4 single_pred_edge ../../gcc/basic-block.h:350 0x77461d single_pred_edge ../../gcc/sbitmap.h:105 0x77461d tree_transform_and_unroll_loop(loop*, unsigned int, edge_def*, tree_niter_desc*, void (*)(loop*, void*), void*) ../../gcc/tree-ssa-loop-manip.c:1295 0xf525c8 pcom_worker::tree_predictive_commoning_loop(bool) ../../gcc/tree-predcom.c:3401 0xf52aa4 tree_predictive_commoning(bool) ../../gcc/tree-predcom.c:3428 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
next reply other threads:[~2021-09-17 7:15 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-17 7:15 suochenyao at 163 dot com [this message] 2021-09-17 7:29 ` [Bug tree-optimization/102385] [12 Regression] " rguenth at gcc dot gnu.org 2021-09-17 10:10 ` [Bug tree-optimization/102385] [12 Regression] ICE: in single_pred_edge, at basic-block.h:350 under "-O2 -fno-toplevel-reorder -fno-tree-ch -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-loop-ivcanon -fpredictive-commoning" since r12-2429-g62acc72a957b5614 marxin at gcc dot gnu.org 2021-09-30 22:34 ` pinskia at gcc dot gnu.org 2021-09-30 22:34 ` pinskia at gcc dot gnu.org 2021-09-30 22:35 ` pinskia at gcc dot gnu.org 2021-09-30 22:36 ` pinskia at gcc dot gnu.org 2021-10-04 18:41 ` rsandifo at gcc dot gnu.org 2021-10-08 12:18 ` cvs-commit at gcc dot gnu.org 2021-10-08 12:20 ` rsandifo at gcc dot gnu.org
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