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Sébastien Boisvert

2012-Nov-17 13:34 UTC

[LLVMdev] Running pass 'Greedy Register Allocator' leads to Segmentation fault (core dumped)

Hi,

I want to use LLVM 3.1 (with clang for the frontend) for compiling Open-MPI
1.6.3,
which is a message-passing library. But I get a segmentation fault by the
"Greedy
Register Allocator".

There is the bug # 11756 that solves a similar problem, but the bugzilla says
"Version 3.0",
and I am using 3.1 so it is likely a different bug that I am dealing with.

    http://llvm.org/bugs/show_bug.cgi?id=11756

I believe the bug I am reporting is already reported in bug # 11969 when
building
FreeBSD world:

    http://llvm.org/bugs/show_bug.cgi?id=11969


---
To reproduce the problem:

Program I am compiling:

   http://www.open-mpi.org/software/ompi/v1.6/downloads/openmpi-1.6.3.tar.bz2


Version of LLVM/Clang: 3.1

How I compiled LLVM:

# \see llvm.org/docs/Packaging.html

../llvm-3.1.src/configure \
--prefix=/software/compilers/llvm/3.1 \
--disable-assertions \
--enable-debug-symbols \
--enable-optimized \
--enable-shared \

make -j 4

make install


Command generated by the Makefile:

$ /software/compilers/llvm/3.1/bin/clang -cc1 -triple x86_64-unknown-linux-gnu
-emit-obj -disable-free -disable-llvm-verifier -main-file-name
filem_rsh_module.c -pic-level 2 -relaxed-aliasing -masm-verbose
-mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-linker-version
2.17.50.0.6 -momit-leaf-frame-pointer -coverage-file .libs/filem_rsh_module.o
-resource-dir /software/compilers/llvm/3.1/bin/../lib/clang/3.1 -dependency-file
.deps/filem_rsh_module.Tpo -sys-header-deps -MP -MT filem_rsh_module.lo -D
HAVE_CONFIG_H -D NDEBUG -D PIC -I . -I
../../../../../openmpi-1.6.3/orte/mca/filem/rsh -I ../../../../opal/include -I
../../../../orte/include -I ../../../../ompi/include -I
../../../../opal/mca/hwloc/hwloc132/hwloc/include/private/autogen -I
../../../../opal/mca/hwloc/hwloc132/hwloc/include/hwloc/autogen -I
../../../../../openmpi-1.6.3 -I ../../../.. -I
../../../../../openmpi-1.6.3/opal/include -I
../../../../../openmpi-1.6.3/orte/include -I ../../../../../openmpi!
 -1.6.3/om
i/include -I
/clumeq/src/Open-MPI/1.6.3/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
-I /clumeq/src/Open-MPI/1.6.3/openmpi-llvm/opal/mca/hwloc/hwloc132/hwloc/include
-I /usr/include/infiniband -I /usr/include/infiniband -fmodule-cache-path
/var/tmp/clang-module-cache -c-isystem /software/compilers/llvm/3.1/include
-internal-isystem /usr/local/include -internal-isystem
/software/compilers/llvm/3.1/bin/../lib/clang/3.1/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O2
-Wall -std=gnu89 -fdebug-compilation-dir
/clumeq/src/Open-MPI/1.6.3/openmpi-llvm/orte/mca/filem/rsh -ferror-limit 19
-fmessage-length 0 -pthread -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc
-fobjc-runtime-has-weak -fobjc-fragile-abi -fdiagnostics-show-option -o
.libs/filem_rsh_module.o -x c
../../../../../openmpi-1.6.3/orte/mca/filem/rsh/filem_rsh_module.c
0  libLLVM-3.1.so  0x00002b989f3e80df
1  libLLVM-3.1.so  0x00002b989f3e8827
2  libpthread.so.0 0x000000328280ebe0
3  libLLVM-3.1.so  0x00002b989ec09c36
llvm::ConnectedVNInfoEqClasses::Distribute(llvm::LiveInterval**,
llvm::MachineRegisterInfo&) + 342
4  libLLVM-3.1.so  0x00002b989ec1af75
llvm::LiveRangeEdit::eliminateDeadDefs(llvm::SmallVectorImpl<llvm::MachineInstr*>&,
llvm::ArrayRef<unsigned int>) + 949
5  libLLVM-3.1.so  0x00002b989ebf2142
6  libLLVM-3.1.so  0x00002b989ebf297c
7  libLLVM-3.1.so  0x00002b989ecacb67
8  libLLVM-3.1.so  0x00002b989ec9ed65 llvm::RegAllocBase::allocatePhysRegs() +
181
9  libLLVM-3.1.so  0x00002b989ecad4ce
10 libLLVM-3.1.so  0x00002b989ec4eb10
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 96
11 libLLVM-3.1.so  0x00002b989ede6731
llvm::FPPassManager::runOnFunction(llvm::Function&) + 561
12 libLLVM-3.1.so  0x00002b989ede678d
llvm::FPPassManager::runOnModule(llvm::Module&) + 45
13 libLLVM-3.1.so  0x00002b989ede7b04
llvm::MPPassManager::runOnModule(llvm::Module&) + 516
14 libLLVM-3.1.so  0x00002b989ede7be2
llvm::PassManagerImpl::run(llvm::Module&) + 114
15 libLLVM-3.1.so  0x00002b989ede7c7d llvm::PassManager::run(llvm::Module&)
+ 13
16 clang           0x00000000006a0aab
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::Module*, clang::BackendAction, llvm::raw_ostream*) + 1387
17 clang           0x000000000069e2ca
18 clang           0x000000000081d189 clang::ParseAST(clang::Sema&, bool,
bool) + 489
19 clang           0x000000000069c513 clang::CodeGenAction::ExecuteAction() + 51
20 clang           0x000000000053530b
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 267
21 clang           0x000000000051b0c9
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1209
22 clang           0x0000000000512e58 cc1_main(char const**, char const**, char
const*, void*) + 1416
23 clang           0x000000000051a3df main + 4975
24 libc.so.6       0x0000003281c1d994 __libc_start_main + 244
25 clang           0x00000000005107b9
Stack dump:
0.      Program arguments: /software/compilers/llvm/3.1/bin/clang -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -disable-free -disable-llvm-verifier
-main-file-name filem_rsh_module.c -pic-level 2 -relaxed-aliasing -masm-verbose
-mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-linker-version
2.17.50.0.6 -momit-leaf-frame-pointer -coverage-file .libs/filem_rsh_module.o
-resource-dir /software/compilers/llvm/3.1/bin/../lib/clang/3.1 -dependency-file
.deps/filem_rsh_module.Tpo -sys-header-deps -MP -MT filem_rsh_module.lo -D
HAVE_CONFIG_H -D NDEBUG -D PIC -I . -I
../../../../../openmpi-1.6.3/orte/mca/filem/rsh -I ../../../../opal/include -I
../../../../orte/include -I ../../../../ompi/include -I
../../../../opal/mca/hwloc/hwloc132/hwloc/include/private/autogen -I
../../../../opal/mca/hwloc/hwloc132/hwloc/include/hwloc/autogen -I
../../../../../openmpi-1.6.3 -I ../../../.. -I
../../../../../openmpi-1.6.3/opal/include -I
../../../../../openmpi-1.6.3/orte/include !
 -I ../../
./../../openmpi-1.6.3/ompi/include -I
/clumeq/src/Open-MPI/1.6.3/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
-I /clumeq/src/Open-MPI/1.6.3/openmpi-llvm/opal/mca/hwloc/hwloc132/hwloc/include
-I /usr/include/infiniband -I /usr/include/infiniband -fmodule-cache-path
/var/tmp/clang-module-cache -c-isystem /software/compilers/llvm/3.1/include
-internal-isystem /usr/local/include -internal-isystem
/software/compilers/llvm/3.1/bin/../lib/clang/3.1/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O2
-Wall -std=gnu89 -fdebug-compilation-dir
/clumeq/src/Open-MPI/1.6.3/openmpi-llvm/orte/mca/filem/rsh -ferror-limit 19
-fmessage-length 0 -pthread -mstackrealign -fgnu-runtime -fobjc-runtime-has-arc
-fobjc-runtime-has-weak -fobjc-fragile-abi -fdiagnostics-show-option -o
.libs/filem_rsh_module.o -x c
../../../../../openmpi-1.6.3/orte/mca/filem/rsh/filem_rsh_module.c
1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'../../../../../openmpi-1.6.3/orte/mca/filem/rsh/filem_rsh_module.c'.
4.      Running pass 'Greedy Register Allocator' on function
'@orte_filem_rsh_start_copy'
Segmentation fault (core dumped)

Eli Friedman

2012-Nov-17 18:57 UTC

head link

[LLVMdev] Running pass 'Greedy Register Allocator' leads to Segmentation fault (core dumped)

\On Sat, Nov 17, 2012 at 5:34 AM, Sébastien Boisvert <seb at
boisvert.info> wrote:> Hi,
>
> I want to use LLVM 3.1 (with clang for the frontend) for compiling Open-MPI
> 1.6.3,
> which is a message-passing library. But I get a segmentation fault by the
> "Greedy
> Register Allocator".
>
> There is the bug # 11756 that solves a similar problem, but the bugzilla
> says "Version 3.0",
> and I am using 3.1 so it is likely a different bug that I am dealing with.
>
>    http://llvm.org/bugs/show_bug.cgi?id=11756
>
> I believe the bug I am reporting is already reported in bug # 11969 when
> building
> FreeBSD world:
>
>    http://llvm.org/bugs/show_bug.cgi?id=11969
Please just file a bug, and attach the files generated by the crash
logging mechanism.  Don't worry about duplicates; it's much easier for
us to sort out what is a duplicate than it is for you.

-Eli

Sébastien Boisvert

2012-Nov-19 02:40 UTC

head link

[LLVMdev] Running pass 'Greedy Register Allocator' leads to Segmentation fault (core dumped)

I filled a bug report and attached relevant files.

   http://llvm.org/bugs/show_bug.cgi?id=14377


On 11/17/2012 01:57 PM, Eli Friedman wrote:> \On Sat, Nov 17, 2012 at 5:34 AM, Sébastien Boisvert <seb at
boisvert.info> wrote:
>> Hi,
>>
>> I want to use LLVM 3.1 (with clang for the frontend) for compiling
Open-MPI
>> 1.6.3,
>> which is a message-passing library. But I get a segmentation fault by
the
>> "Greedy
>> Register Allocator".
>>
>> There is the bug # 11756 that solves a similar problem, but the
bugzilla
>> says "Version 3.0",
>> and I am using 3.1 so it is likely a different bug that I am dealing
with.
>>
>>     http://llvm.org/bugs/show_bug.cgi?id=11756
>>
>> I believe the bug I am reporting is already reported in bug # 11969
when
>> building
>> FreeBSD world:
>>
>>     http://llvm.org/bugs/show_bug.cgi?id=11969
>
> Please just file a bug, and attach the files generated by the crash
> logging mechanism.  Don't worry about duplicates; it's much easier
for
> us to sort out what is a duplicate than it is for you.
>
> -Eli
>

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