https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103915
Bug ID: 103915
Summary: [12 Regression] ICE: SIGSEGV in memory_operand with
-flive-range-shrinkage
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
CC: ubizjak at gmail dot com
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 52129
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52129&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -flive-range-shrinkage testcase.c -wrapper
valgrind,-q
==29614== Invalid read of size 2
==29614== at 0x12BBDFA: memory_operand(rtx_def*, machine_mode)
(recog.c:1812)
==29614== by 0x1AE5525: get_attr_memory(rtx_insn*) (i386.md:5096)
==29614== by 0x1EF0820: insn_default_latency_generic(rtx_insn*)
(i386.md:19503)
==29614== by 0x231B911: insn_sched_cost(rtx_insn*) (haifa-sched.c:1421)
==29614== by 0x231FF12: dep_cost_1(_dep*, unsigned int) (haifa-sched.c:1474)
==29614== by 0x2321BD1: dep_cost (haifa-sched.c:1510)
==29614== by 0x2321BD1: priority(rtx_insn*, bool) [clone .part.0]
(haifa-sched.c:1661)
==29614== by 0x23224C2: priority (haifa-sched.c:1593)
==29614== by 0x23224C2: set_priorities(rtx_insn*, rtx_insn*)
(haifa-sched.c:7166)
==29614== by 0x13101E2: compute_priorities() (sched-rgn.c:3025)
==29614== by 0x1312EF5: schedule_region (sched-rgn.c:3118)
==29614== by 0x1312EF5: schedule_insns() [clone .part.0] (sched-rgn.c:3518)
==29614== by 0x13135AB: schedule_insns (sched-rgn.c:3504)
==29614== by 0x13135AB: rest_of_handle_live_range_shrinkage
(sched-rgn.c:3706)
==29614== by 0x13135AB: (anonymous
namespace)::pass_live_range_shrinkage::execute(function*) (sched-rgn.c:3793)
==29614== by 0x126BEEA: execute_one_pass(opt_pass*) (passes.c:2637)
==29614== by 0x126C7AF: execute_pass_list_1(opt_pass*) (passes.c:2737)
==29614== Address 0xabababababababab is not stack'd, malloc'd or (recently)
free'd
==29614==
during RTL pass: lr_shrinkage
testcase.c: In function 'foo':
testcase.c:7:1: internal compiler error: Segmentation fault
7 | }
| ^
0x1373cef crash_signal
/repo/gcc-trunk/gcc/toplev.c:322
0x12bbdfa memory_operand(rtx_def*, machine_mode)
/repo/gcc-trunk/gcc/recog.c:1812
0x1ae5525 get_attr_memory(rtx_insn*)
/repo/gcc-trunk/gcc/config/i386/i386.md:5096
0x1ef0820 insn_default_latency_generic(rtx_insn*)
/repo/gcc-trunk/gcc/config/i386/i386.md:19503
0x231b911 insn_sched_cost(rtx_insn*)
/repo/gcc-trunk/gcc/haifa-sched.c:1421
0x231ff12 dep_cost_1(_dep*, unsigned int)
/repo/gcc-trunk/gcc/haifa-sched.c:1474
0x2321bd1 dep_cost(_dep*)
/repo/gcc-trunk/gcc/haifa-sched.c:1510
0x2321bd1 priority
/repo/gcc-trunk/gcc/haifa-sched.c:1661
0x23224c2 priority
/repo/gcc-trunk/gcc/haifa-sched.c:1593
0x23224c2 set_priorities(rtx_insn*, rtx_insn*)
/repo/gcc-trunk/gcc/haifa-sched.c:7166
0x13101e2 compute_priorities()
/repo/gcc-trunk/gcc/sched-rgn.c:3025
0x1312ef5 schedule_region
/repo/gcc-trunk/gcc/sched-rgn.c:3118
0x1312ef5 schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.c:3518
0x13135ab schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.c:3504
0x13135ab rest_of_handle_live_range_shrinkage
/repo/gcc-trunk/gcc/sched-rgn.c:3706
0x13135ab execute
/repo/gcc-trunk/gcc/sched-rgn.c:3793
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-6219-20220104202718-g0fc60c18335-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-6219-20220104202718-g0fc60c18335-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20220105 (experimental) (GCC)
