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* [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
@ 2021-07-22 2:49 asolokha at gmx dot com
2021-07-22 6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: asolokha at gmx dot com @ 2021-07-22 2:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570
Bug ID: 101570
Summary: [12 Regression] ICE in
maybe_reconstruct_from_def_stmt, at
analyzer/analyzer.cc:133
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-12.0.0-alpha20210718 snapshot (g:6ae8aac19cdbdbd96d90f86e4d8505fe121bdf06)
ICEs when compiling the following testcase, reduced from
gcc/testsuite/gcc.dg/torture/pr70370.c, w/ -fanalyzer:
void
test2 (_Complex double f)
{
__asm__ ("" : "=r" (__real f));
}
% gcc-12.0.0 -fanalyzer -c erc6pp1g.c
during IPA pass: analyzer
erc6pp1g.c: In function 'test2':
erc6pp1g.c:4:3: internal compiler error: in maybe_reconstruct_from_def_stmt, at
analyzer/analyzer.cc:133
4 | __asm__ ("" : "=r" (__real f));
| ^~~~~~~
0x7ff6f0 maybe_reconstruct_from_def_stmt
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:133
0x7ff6f0 fixup_tree_for_diagnostic_1
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:180
0x1a32b3a fixup_tree_for_diagnostic_1
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/hash-table.h:687
0x1a32b3a ana::fixup_tree_for_diagnostic(tree_node*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer.cc:201
0x120761f ana::region_model::check_for_poison(ana::svalue const*, tree_node*,
ana::region_model_context*) const
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:839
0x120ba80 ana::region_model::get_rvalue(tree_node*, ana::region_model_context*)
const
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:1842
0x120ba80 ana::region_model::get_gassign_result(gassign const*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:765
0x120c62c ana::region_model::on_assignment(gassign const*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/region-model.cc:869
0x11e998d ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*, ana::uncertainty_t*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:1223
0x11ebf22 ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:3098
0x11eca8a ana::exploded_graph::process_worklist()
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:2684
0x11eeee5 ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:4972
0x11efd80 ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/engine.cc:5043
0x11e0e48 execute
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210718/work/gcc-12-20210718/gcc/analyzer/analyzer-pass.cc:87
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug analyzer/101570] [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
2021-07-22 2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
@ 2021-07-22 6:56 ` rguenth at gcc dot gnu.org
2021-07-22 22:31 ` dmalcolm at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-07-22 6:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|unknown |12.0
Target Milestone|--- |12.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug analyzer/101570] [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
2021-07-22 2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
2021-07-22 6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
@ 2021-07-22 22:31 ` dmalcolm at gcc dot gnu.org
2021-08-04 22:22 ` cvs-commit at gcc dot gnu.org
2021-08-04 22:28 ` dmalcolm at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2021-07-22 22:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-07-22
Status|UNCONFIRMED |ASSIGNED
Ever confirmed|0 |1
--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks for filing this bug.
Confirmed; I'm working on a fix.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug analyzer/101570] [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
2021-07-22 2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
2021-07-22 6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
2021-07-22 22:31 ` dmalcolm at gcc dot gnu.org
@ 2021-08-04 22:22 ` cvs-commit at gcc dot gnu.org
2021-08-04 22:28 ` dmalcolm at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-08-04 22:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:
https://gcc.gnu.org/g:ded2c2c068f6f2825474758cb03a05070a5837e8
commit r12-2749-gded2c2c068f6f2825474758cb03a05070a5837e8
Author: David Malcolm <dmalcolm@redhat.com>
Date: Wed Aug 4 18:21:21 2021 -0400
analyzer: initial implementation of asm support [PR101570]
gcc/ChangeLog:
PR analyzer/101570
* Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
gcc/analyzer/ChangeLog:
PR analyzer/101570
* analyzer.cc (maybe_reconstruct_from_def_stmt): Add GIMPLE_ASM
case.
* analyzer.h (class asm_output_svalue): New forward decl.
(class reachable_regions): New forward decl.
* complexity.cc (complexity::from_vec_svalue): New.
* complexity.h (complexity::from_vec_svalue): New decl.
* engine.cc (feasibility_state::maybe_update_for_edge): Handle
asm stmts by calling on_asm_stmt.
* region-model-asm.cc: New file.
* region-model-manager.cc
(region_model_manager::maybe_fold_asm_output_svalue): New.
(region_model_manager::get_or_create_asm_output_svalue): New.
(region_model_manager::log_stats): Log m_asm_output_values_map.
* region-model.cc (region_model::on_stmt_pre): Handle GIMPLE_ASM.
* region-model.h (visitor::visit_asm_output_svalue): New.
(region_model_manager::get_or_create_asm_output_svalue): New decl.
(region_model_manager::maybe_fold_asm_output_svalue): New decl.
(region_model_manager::asm_output_values_map_t): New typedef.
(region_model_manager::m_asm_output_values_map): New field.
(region_model::on_asm_stmt): New.
* store.cc (binding_cluster::on_asm): New.
* store.h (binding_cluster::on_asm): New decl.
* svalue.cc (svalue::cmp_ptr): Handle SK_ASM_OUTPUT.
(asm_output_svalue::dump_to_pp): New.
(asm_output_svalue::dump_input): New.
(asm_output_svalue::input_idx_to_asm_idx): New.
(asm_output_svalue::accept): New.
* svalue.h (enum svalue_kind): Add SK_ASM_OUTPUT.
(svalue::dyn_cast_asm_output_svalue): New.
(class asm_output_svalue): New.
(is_a_helper <const asm_output_svalue *>::test): New.
(struct default_hash_traits<asm_output_svalue::key_t>): New.
gcc/testsuite/ChangeLog:
PR analyzer/101570
* gcc.dg/analyzer/asm-x86-1.c: New test.
* gcc.dg/analyzer/asm-x86-lp64-1.c: New test.
* gcc.dg/analyzer/asm-x86-lp64-2.c: New test.
* gcc.dg/analyzer/pr101570.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-array_index_mask_nospec.c:
New test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid-paravirt-1.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid-paravirt-2.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-cpuid.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-rdmsr-paravirt.c: New
test.
* gcc.dg/analyzer/torture/asm-x86-linux-rdmsr.c: New test.
* gcc.dg/analyzer/torture/asm-x86-linux-wfx_get_ps_timeout-full.c:
New test.
*
gcc.dg/analyzer/torture/asm-x86-linux-wfx_get_ps_timeout-reduced.c:
New test.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug analyzer/101570] [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133
2021-07-22 2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
` (2 preceding siblings ...)
2021-08-04 22:22 ` cvs-commit at gcc dot gnu.org
@ 2021-08-04 22:28 ` dmalcolm at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2021-08-04 22:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101570
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Should be fixed by the above commit.
^ permalink raw reply [flat|nested] 5+ messages in thread
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2021-07-22 2:49 [Bug analyzer/101570] New: [12 Regression] ICE in maybe_reconstruct_from_def_stmt, at analyzer/analyzer.cc:133 asolokha at gmx dot com
2021-07-22 6:56 ` [Bug analyzer/101570] " rguenth at gcc dot gnu.org
2021-07-22 22:31 ` dmalcolm at gcc dot gnu.org
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