[llvm] [LoopDeletion] Unblock loop deletion with `llvm.experimental.noalias.scope.decl` (PR #108144)

Wed Sep 11 03:48:30 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-ubsan` running on `sanitizer-buildbot4` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/25/builds/2364

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 85683 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 
FAIL: LLVM :: ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll (52876 of 85683)
******************** TEST 'LLVM :: ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll | /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
lli: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h:282: llvm::orc::SymbolStringPool::~SymbolStringPool(): Assertion `Pool.empty() && "Dangling references at pool destruction time"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
 #0 0x000064be3d34153e llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:13
 #1 0x000064be3d33e20d llvm::sys::RunSignalHandlers() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #2 0x000064be3d341fb9 SignalHandler(int) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:413:1
 #3 0x000073b5d3c45320 (/lib/x86_64-linux-gnu/libc.so.6+0x45320)
 #4 0x000073b5d3c9eb1c pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x9eb1c)
 #5 0x000073b5d3c4526e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4526e)
 #6 0x000073b5d3c288ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
 #7 0x000073b5d3c2881b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
 #8 0x000073b5d3c3b507 (/lib/x86_64-linux-gnu/libc.so.6+0x3b507)
 #9 0x000064be3bccdfb9 ~SymbolStringPool /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h:282:3
#10 0x000064be3bccdfb9 destroy /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/allocator.h:154:87
#11 0x000064be3bccdfb9 destroy<llvm::orc::SymbolStringPool, 0> /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/allocator_traits.h:334:9
#12 0x000064be3bccdfb9 __on_zero_shared_impl<std::__1::allocator<llvm::orc::SymbolStringPool>, 0> /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:285:5
#13 0x000064be3bccdfb9 std::__1::__shared_ptr_emplace<llvm::orc::SymbolStringPool, std::__1::allocator<llvm::orc::SymbolStringPool>>::__on_zero_shared() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:288:78
#14 0x000064be3cd4c796 __release_shared /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:188:7
#15 0x000064be3cd4c796 ~shared_ptr /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:670:17
#16 0x000064be3cd4c796 llvm::orc::ExecutorProcessControl::~ExecutorProcessControl() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/ExecutorProcessControl.cpp:26:49
#17 0x000064be3cd4eb20 llvm::orc::SelfExecutorProcessControl::~SelfExecutorProcessControl() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/ExecutorProcessControl.h:511:7
#18 0x000064be3cb18cc8 llvm::orc::ExecutionSession::~ExecutionSession() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/Core.cpp:1622:1
#19 0x000064be3cc94227 operator() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:69:5
#20 0x000064be3cc94227 reset /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:281:7
#21 0x000064be3cc94227 ~unique_ptr /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:250:71
#22 0x000064be3cc94227 llvm::orc::LLJIT::~LLJIT() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp:868:1
#23 0x000064be3cc9a84b llvm::orc::LLLazyJIT::~LLLazyJIT() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h:268:7
#24 0x000064be3bcbcdc2 runOrcJIT(char const*) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:0:5
#25 0x000064be3bcb7241 main /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/tools/lli/lli.cpp:452:12
Step 10 (stage2/ubsan check) failure: stage2/ubsan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 85683 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 
FAIL: LLVM :: ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll (52876 of 85683)
******************** TEST 'LLVM :: ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll | /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
lli: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h:282: llvm::orc::SymbolStringPool::~SymbolStringPool(): Assertion `Pool.empty() && "Dangling references at pool destruction time"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm_build_ubsan/bin/lli -jit-kind=orc-lazy -compile-threads=2 -thread-entry hello /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/test/ExecutionEngine/OrcLazy/multiple-compile-threads-basic.ll
 #0 0x000064be3d34153e llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:13
 #1 0x000064be3d33e20d llvm::sys::RunSignalHandlers() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #2 0x000064be3d341fb9 SignalHandler(int) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:413:1
 #3 0x000073b5d3c45320 (/lib/x86_64-linux-gnu/libc.so.6+0x45320)
 #4 0x000073b5d3c9eb1c pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x9eb1c)
 #5 0x000073b5d3c4526e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4526e)
 #6 0x000073b5d3c288ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
 #7 0x000073b5d3c2881b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
 #8 0x000073b5d3c3b507 (/lib/x86_64-linux-gnu/libc.so.6+0x3b507)
 #9 0x000064be3bccdfb9 ~SymbolStringPool /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/SymbolStringPool.h:282:3
#10 0x000064be3bccdfb9 destroy /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/allocator.h:154:87
#11 0x000064be3bccdfb9 destroy<llvm::orc::SymbolStringPool, 0> /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/allocator_traits.h:334:9
#12 0x000064be3bccdfb9 __on_zero_shared_impl<std::__1::allocator<llvm::orc::SymbolStringPool>, 0> /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:285:5
#13 0x000064be3bccdfb9 std::__1::__shared_ptr_emplace<llvm::orc::SymbolStringPool, std::__1::allocator<llvm::orc::SymbolStringPool>>::__on_zero_shared() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:288:78
#14 0x000064be3cd4c796 __release_shared /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:188:7
#15 0x000064be3cd4c796 ~shared_ptr /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/shared_ptr.h:670:17
#16 0x000064be3cd4c796 llvm::orc::ExecutorProcessControl::~ExecutorProcessControl() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/ExecutorProcessControl.cpp:26:49
#17 0x000064be3cd4eb20 llvm::orc::SelfExecutorProcessControl::~SelfExecutorProcessControl() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/ExecutorProcessControl.h:511:7
#18 0x000064be3cb18cc8 llvm::orc::ExecutionSession::~ExecutionSession() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/Core.cpp:1622:1
#19 0x000064be3cc94227 operator() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:69:5
#20 0x000064be3cc94227 reset /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:281:7
#21 0x000064be3cc94227 ~unique_ptr /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:250:71
#22 0x000064be3cc94227 llvm::orc::LLJIT::~LLJIT() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp:868:1
#23 0x000064be3cc9a84b llvm::orc::LLLazyJIT::~LLLazyJIT() /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h:268:7
#24 0x000064be3bcbcdc2 runOrcJIT(char const*) /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/libcxx_build_ubsan/include/c++/v1/__memory/unique_ptr.h:0:5
#25 0x000064be3bcb7241 main /home/b/sanitizer-x86_64-linux-bootstrap-ubsan/build/llvm-project/llvm/tools/lli/lli.cpp:452:12

```

</details>

https://github.com/llvm/llvm-project/pull/108144