[llvm-bugs] [Bug 43853] New: Segfault in llvm::ProfileSummaryInfo::computeSummary

Wed Oct 30 12:33:13 PDT 2019

https://bugs.llvm.org/show_bug.cgi?id=43853

            Bug ID: 43853
           Summary: Segfault in llvm::ProfileSummaryInfo::computeSummary
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Global Analyses
          Assignee: unassignedbugs at nondot.org
          Reporter: witold.baryluk+llvm at gmail.com
                CC: llvm-bugs at lists.llvm.org

When running Mesa 19.3.0 (git commit 780c937a5ded1a4586ba4160020200eebe57b311)
SWR software rasterizer with LLVM 1:10~svn375339-1~exp1 on Linux amd64 (znver1,
AMD Threadripper 2950X):


user at debian:~/mesa-git/builddir/build-amd64-dbg$ GALLIUM_PRINT_OPTIONS=1
GALLIUM_DUMP_CPU=true LIBGL_ALWAYS_SOFTWARE=1 GALLIUM_DRIVER=swr
LP_NATIVE_VECTOR_WIDTH=256 gdb --args glxgears 
GNU gdb (Debian 8.3.1-1) 8.3.1
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Reading symbols from glxgears...
(No debugging symbols found in glxgears)
(gdb) r
Starting program: /usr/bin/glxgears 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
debug_get_bool_option: SWRAST_NO_PRESENT = FALSE
debug_get_option: GALLIUM_DRIVER = swr
debug_get_flags_option: GALLIVM_DEBUG = 0x0
debug_get_flags_option: GALLIVM_PERF = 0x0
debug_get_bool_option: GALLIUM_DUMP_CPU = TRUE
util_cpu_caps.nr_cpus = 32
util_cpu_caps.x86_cpu_type = 23
util_cpu_caps.cacheline = 64
util_cpu_caps.has_tsc = 1
util_cpu_caps.has_mmx = 1
util_cpu_caps.has_mmx2 = 1
util_cpu_caps.has_sse = 1
util_cpu_caps.has_sse2 = 1
util_cpu_caps.has_sse3 = 1
util_cpu_caps.has_ssse3 = 1
util_cpu_caps.has_sse4_1 = 1
util_cpu_caps.has_sse4_2 = 1
util_cpu_caps.has_avx = 1
util_cpu_caps.has_avx2 = 1
util_cpu_caps.has_f16c = 1
util_cpu_caps.has_popcnt = 1
util_cpu_caps.has_3dnow = 0
util_cpu_caps.has_3dnow_ext = 0
util_cpu_caps.has_xop = 0
util_cpu_caps.has_altivec = 0
util_cpu_caps.has_vsx = 0
util_cpu_caps.has_neon = 0
util_cpu_caps.has_daz = 1
util_cpu_caps.has_avx512f = 0
util_cpu_caps.has_avx512dq = 0
util_cpu_caps.has_avx512ifma = 0
util_cpu_caps.has_avx512pf = 0
util_cpu_caps.has_avx512er = 0
util_cpu_caps.has_avx512cd = 0
util_cpu_caps.has_avx512bw = 0
util_cpu_caps.has_avx512vl = 0
util_cpu_caps.has_avx512vbmi = 0
Breaking into debugger.

Program received signal SIGTRAP, Trace/breakpoint trap.
__GI_raise (sig=sig at entry=5) at ../sysdeps/unix/sysv/linux/raise.c:50
50      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) c
Continuing.
Continuing
debug_get_bool_option: LP_FORCE_SSE2 = FALSE
debug_get_num_option: LP_NATIVE_VECTOR_WIDTH = 256
debug_get_num_option: SWR_CLIENT_COPY_LIMIT = 8192
debug_get_num_option: SWR_MSAA_MAX_COUNT = 1
debug_get_bool_option: SWR_MSAA_FORCE_ENABLE = FALSE
&util_cpu_caps = 0x0x7ffff6840a20 ; util_cpu_caps.has_avx2 = 1
SWR detected AVX2 instruction support (using: libswrAVX2.so).
[New Thread 0x7fffed857700 (LWP 99967)]
[New Thread 0x7fffed056700 (LWP 99968)]
[New Thread 0x7fffec855700 (LWP 99969)]
[New Thread 0x7fffec054700 (LWP 99970)]
[New Thread 0x7fffeb853700 (LWP 99971)]
[New Thread 0x7fffeb052700 (LWP 99972)]
[New Thread 0x7fffea851700 (LWP 99973)]
debug_get_flags_option: ST_DEBUG = 0x0
debug_get_bool_option: MESA_MVP_DP4 = FALSE
debug_get_bool_option: PP_DEBUG = FALSE
debug_get_option: GALLIUM_HUD_SHARE = (null)
debug_get_option: GALLIUM_HUD = fps
debug_get_num_option: GALLIUM_HUD_TOGGLE_SIGNAL = 0
debug_get_bool_option: GALLIUM_HUD_VISIBLE = TRUE
debug_get_option: GALLIUM_REFCNT_LOG = (null)
debug_get_bool_option: TGSI_PRINT_SANITY = FALSE
vert shader  0x7ffff6f6e000
frag shader  0x7ffff6f6c000

Thread 1 "glxgears" received signal SIGSEGV, Segmentation fault.
computeSummary () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/Analysis/ProfileSummaryInfo.cpp:86
86     
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/Analysis/ProfileSummaryInfo.cpp:
No such file or directory.
(gdb) bt
#0  computeSummary () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/Analysis/ProfileSummaryInfo.cpp:86
#1  0x00007ffff23da594 in hasProfileSummary () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/include/llvm/Analysis/ProfileSummaryInfo.h:71
#2  runOnFunction () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/Transforms/InstCombine/InstructionCombining.cpp:3614
#3  0x00007ffff1bf2346 in runOnFunction () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/IR/LegacyPassManager.cpp:1648
#4  0x00007ffff1bf1a4e in run () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/IR/LegacyPassManager.cpp:1585
#5  0x00007ffff1bf19e6 in run () at
/build/llvm-toolchain-snapshot-HGLYs5/llvm-toolchain-snapshot-10~svn375339/lib/IR/LegacyPassManager.cpp:1510
#6  0x00007ffff5aa8ca6 in FetchJit::Create (this=this at entry=0x7fffffffbc00,
fetchState=...) at
../../src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp:304
#7  0x00007ffff5aa8eee in JitCompileFetch (hJitMgr=0x5555555f3700, state=...)
at ../../src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp:2323
#8  0x00007ffff5a6de64 in swr_draw_vbo (pipe=0x555555634ca0,
info=0x7fffffffcbf0) at ../../src/gallium/drivers/swr/swr_draw.cpp:129
#9  0x00007ffff584e348 in u_vbuf_draw_vbo (mgr=0x555555724d00,
info=0x7fffffffcbf0) at ../../src/gallium/auxiliary/util/u_vbuf.c:1184
#10 0x00007ffff581d53b in cso_draw_vbo (cso=<optimized out>,
info=info at entry=0x7fffffffcbf0) at
../../src/gallium/auxiliary/cso_cache/cso_context.c:1705
#11 0x00007ffff5ca405f in st_draw_vbo (ctx=<optimized out>, prims=<optimized
out>, nr_prims=<optimized out>, ib=0x0, index_bounds_valid=<optimized out>,
min_index=<optimized out>, 
    max_index=<optimized out>, tfb_vertcount=0x0, stream=0, indirect=0x0) at
../../src/mesa/state_tracker/st_draw.c:268
#12 0x00007ffff5bc1b69 in vbo_save_playback_vertex_list (ctx=0x5555556e66f0,
data=0x5555555fdce0) at ../../src/mesa/vbo/vbo_save_draw.c:215
#13 0x00007ffff5aed733 in ext_opcode_execute (node=0x5555555fdcdc,
ctx=0x5555556e66f0) at ../../src/mesa/main/dlist.c:1126
#14 execute_list (ctx=ctx at entry=0x5555556e66f0, list=list at entry=1) at
../../src/mesa/main/dlist.c:11830
#15 0x00007ffff5b0d6a1 in _mesa_CallList (list=1) at
../../src/mesa/main/dlist.c:14267
#16 0x00005555555571bc in ?? ()
#17 0x0000555555556c88 in ?? ()
#18 0x00007ffff77b8bbb in __libc_start_main (main=0x555555556410, argc=1,
argv=0x7fffffffd8e8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, 
    stack_end=0x7fffffffd8d8) at ../csu/libc-start.c:308
#19 0x0000555555556f0a in ?? ()


aka

0x00007ffff28ee727 in llvm::ProfileSummaryInfo::computeSummary() () from
/lib/x86_64-linux-gnu/libLLVM-10.so.1
(gdb) bt
#0  0x00007ffff28ee727 in llvm::ProfileSummaryInfo::computeSummary() () from
/lib/x86_64-linux-gnu/libLLVM-10.so.1
#1  0x00007ffff23da594 in
llvm::InstructionCombiningPass::runOnFunction(llvm::Function&) () from
/lib/x86_64-linux-gnu/libLLVM-10.so.1
#2  0x00007ffff1bf2346 in llvm::FPPassManager::runOnFunction(llvm::Function&)
() from /lib/x86_64-linux-gnu/libLLVM-10.so.1
#3  0x00007ffff1bf1a4e in
llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&) () from
/lib/x86_64-linux-gnu/libLLVM-10.so.1
#4  0x00007ffff1bf19e6 in
llvm::legacy::FunctionPassManager::run(llvm::Function&) () from
/lib/x86_64-linux-gnu/libLLVM-10.so.1
#5  0x00007ffff5aa8ca6 in FetchJit::Create (this=this at entry=0x7fffffffbc00,
fetchState=...) at
../../src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp:304
#6  0x00007ffff5aa8eee in JitCompileFetch (hJitMgr=0x5555555f3700, state=...)
at ../../src/gallium/drivers/swr/rasterizer/jitter/fetch_jit.cpp:2323
#7  0x00007ffff5a6de64 in swr_draw_vbo (pipe=0x555555634ca0,
info=0x7fffffffcbf0) at ../../src/gallium/drivers/swr/swr_draw.cpp:129
#8  0x00007ffff584e348 in u_vbuf_draw_vbo (mgr=0x555555724d00,
info=0x7fffffffcbf0) at ../../src/gallium/auxiliary/util/u_vbuf.c:1184
#9  0x00007ffff581d53b in cso_draw_vbo (cso=<optimized out>,
info=info at entry=0x7fffffffcbf0) at
../../src/gallium/auxiliary/cso_cache/cso_context.c:1705
#10 0x00007ffff5ca405f in st_draw_vbo (ctx=<optimized out>, prims=<optimized
out>, nr_prims=<optimized out>, ib=0x0, index_bounds_valid=<optimized out>,
min_index=<optimized out>, 
    max_index=<optimized out>, tfb_vertcount=0x0, stream=0, indirect=0x0) at
../../src/mesa/state_tracker/st_draw.c:268
#11 0x00007ffff5bc1b69 in vbo_save_playback_vertex_list (ctx=0x5555556e66f0,
data=0x5555555fdce0) at ../../src/mesa/vbo/vbo_save_draw.c:215
#12 0x00007ffff5aed733 in ext_opcode_execute (node=0x5555555fdcdc,
ctx=0x5555556e66f0) at ../../src/mesa/main/dlist.c:1126
#13 execute_list (ctx=ctx at entry=0x5555556e66f0, list=list at entry=1) at
../../src/mesa/main/dlist.c:11830
#14 0x00007ffff5b0d6a1 in _mesa_CallList (list=1) at
../../src/mesa/main/dlist.c:14267
#15 0x00005555555571bc in ?? ()
#16 0x0000555555556c88 in ?? ()
#17 0x00007ffff77b8bbb in __libc_start_main (main=0x555555556410, argc=1,
argv=0x7fffffffd8e8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, 
    stack_end=0x7fffffffd8d8) at ../csu/libc-start.c:308
#18 0x0000555555556f0a in ?? ()

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