public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/99947] [11 Regression] ICE Segmentation fault "during GIMPLE pass: vect" since r11-4714-g092cdbd919849759 Date: Wed, 07 Apr 2021 07:40:48 +0000 [thread overview] Message-ID: <bug-99947-4-y3tu0M0CLC@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-99947-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99947 --- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- There's an error reported by valgrind: ==18930== Invalid read of size 8 ==18930== at 0x11005A6: quick_push (vec.h:1023) ==18930== by 0x11005A6: quick_push (vec.h:1875) ==18930== by 0x11005A6: safe_push (vec.h:1888) ==18930== by 0x11005A6: vectorizable_induction(_loop_vec_info*, _stmt_vec_info*, gimple**, _slp_tree*, vec<stmt_info_for_cost, va_heap, vl_ptr>*) (tree-vect-loop.c:8209) ==18930== by 0x10F7B00: vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) (tree-vect-stmts.c:10901) ==18930== by 0x11298A6: vect_schedule_slp_node(vec_info*, _slp_tree*, _slp_instance*) (tree-vect-slp.c:6193) ==18930== by 0x11364A2: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6355) ==18930== by 0x113621F: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6336) ==18930== by 0x1136ACF: vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>) (tree-vect-slp.c:6471) ==18930== by 0x1115717: vect_transform_loop(_loop_vec_info*, gimple*) (tree-vect-loop.c:9535) ==18930== by 0x1141FFF: try_vectorize_loop_1(hash_table<simduid_to_vf, false, xcallocator>*&, unsigned int*, loop*, gimple*, gimple*) (tree-vectorizer.c:1104) ==18930== by 0x1142CE0: vectorize_loops() (tree-vectorizer.c:1243) ==18930== by 0xD99CC7: execute_one_pass(opt_pass*) (passes.c:2567) ==18930== by 0xD9A6B2: execute_pass_list_1(opt_pass*) (passes.c:2656) ==18930== by 0xD9A6C4: execute_pass_list_1(opt_pass*) (passes.c:2657) ==18930== Address 0x5b5dc38 is 8 bytes inside a block of size 40 free'd ==18930== at 0x484239F: realloc (vg_replace_malloc.c:1192) ==18930== by 0x1ADDF8D: xrealloc (xmalloc.c:179) ==18930== by 0x1100649: reserve<tree_node*> (vec.h:290) ==18930== by 0x1100649: reserve (vec.h:1778) ==18930== by 0x1100649: safe_push (vec.h:1887) ==18930== by 0x1100649: vectorizable_induction(_loop_vec_info*, _stmt_vec_info*, gimple**, _slp_tree*, vec<stmt_info_for_cost, va_heap, vl_ptr>*) (tree-vect-loop.c:8209) ==18930== by 0x10F7B00: vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) (tree-vect-stmts.c:10901) ==18930== by 0x11298A6: vect_schedule_slp_node(vec_info*, _slp_tree*, _slp_instance*) (tree-vect-slp.c:6193) ==18930== by 0x11364A2: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6355) ==18930== by 0x113621F: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6336) ==18930== by 0x1136ACF: vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>) (tree-vect-slp.c:6471) ==18930== by 0x1115717: vect_transform_loop(_loop_vec_info*, gimple*) (tree-vect-loop.c:9535) ==18930== by 0x1141FFF: try_vectorize_loop_1(hash_table<simduid_to_vf, false, xcallocator>*&, unsigned int*, loop*, gimple*, gimple*) (tree-vectorizer.c:1104) ==18930== by 0x1142CE0: vectorize_loops() (tree-vectorizer.c:1243) ==18930== by 0xD99CC7: execute_one_pass(opt_pass*) (passes.c:2567) ==18930== Block was alloc'd at ==18930== at 0x483D70F: malloc (vg_replace_malloc.c:380) ==18930== by 0x1ADDF9F: xrealloc (xmalloc.c:177) ==18930== by 0x11000DE: reserve<tree_node*> (vec.h:290) ==18930== by 0x11000DE: reserve (vec.h:1778) ==18930== by 0x11000DE: safe_push (vec.h:1887) ==18930== by 0x11000DE: vectorizable_induction(_loop_vec_info*, _stmt_vec_info*, gimple**, _slp_tree*, vec<stmt_info_for_cost, va_heap, vl_ptr>*) (tree-vect-loop.c:8154) ==18930== by 0x10F7B00: vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) (tree-vect-stmts.c:10901) ==18930== by 0x11298A6: vect_schedule_slp_node(vec_info*, _slp_tree*, _slp_instance*) (tree-vect-slp.c:6193) ==18930== by 0x11364A2: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6355) ==18930== by 0x113621F: vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits<default_hash_traits<_slp_tree*>, slp_scc_info> >&, int&, vec<_slp_tree*, va_heap, vl_ptr>&) (tree-vect-slp.c:6336) ==18930== by 0x1136ACF: vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>) (tree-vect-slp.c:6471) ==18930== by 0x1115717: vect_transform_loop(_loop_vec_info*, gimple*) (tree-vect-loop.c:9535) ==18930== by 0x1141FFF: try_vectorize_loop_1(hash_table<simduid_to_vf, false, xcallocator>*&, unsigned int*, loop*, gimple*, gimple*) (tree-vectorizer.c:1104) ==18930== by 0x1142CE0: vectorize_loops() (tree-vectorizer.c:1243) ==18930== by 0xD99CC7: execute_one_pass(opt_pass*) (passes.c:2567)
next prev parent reply other threads:[~2021-04-07 7:40 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-07 2:11 [Bug tree-optimization/99947] New: [11 Regression] ICE Segmentation fault "during GIMPLE pass: vect" haoxintu at gmail dot com 2021-04-07 6:11 ` [Bug tree-optimization/99947] [11 Regression] ICE Segmentation fault "during GIMPLE pass: vect" since r11-4714-g092cdbd919849759 marxin at gcc dot gnu.org 2021-04-07 7:37 ` rguenth at gcc dot gnu.org 2021-04-07 7:40 ` marxin at gcc dot gnu.org [this message] 2021-04-07 7:54 ` rguenth at gcc dot gnu.org 2021-04-07 8:51 ` cvs-commit at gcc dot gnu.org 2021-04-07 8:52 ` rguenth at gcc dot gnu.org 2021-04-07 9:20 ` haoxintu at gmail dot com
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-99947-4-y3tu0M0CLC@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).