[Openmp-commits] [clang] [llvm] [openmp] Revert "[Clang][OpenMP] Implement Loop splitting `#pragma omp split` directive " (PR #190335)

[LLVM Continuous Integration via Openmp-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clangd-ubuntu-tsan` running on `clangd-ubuntu-clang` while building `clang,llvm,openmp` at step 5 "build-clangd-clangd-index-server-clangd-indexer".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/134/builds/38039

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

```
Step 5 (build-clangd-clangd-index-server-clangd-indexer) failure: build (failure)
0.008 [3496/18/1] Creating /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/NATIVE...
0.009 [3495/18/2] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/Demangle.cpp.o
FAILED: lib/Demangle/CMakeFiles/LLVMDemangle.dir/Demangle.cpp.o 
ccache /usr/bin/clang++ -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/lib/Demangle -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/Demangle -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=thread -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -O3 -DNDEBUG -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -std=c++17 -MD -MT lib/Demangle/CMakeFiles/LLVMDemangle.dir/Demangle.cpp.o -MF lib/Demangle/CMakeFiles/LLVMDemangle.dir/Demangle.cpp.o.d -o lib/Demangle/CMakeFiles/LLVMDemangle.dir/Demangle.cpp.o -c /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/Demangle/Demangle.cpp
ccache: error: /vol/ccache/ccache.conf: No such file or directory
0.091 [3495/17/3] Building ASM object lib/Support/BLAKE3/CMakeFiles/LLVMSupportBlake3.dir/blake3_sse2_x86-64_unix.S.o
0.099 [3495/16/4] Building C object lib/Support/CMakeFiles/LLVMSupport.dir/regstrlcpy.c.o
0.103 [3495/15/5] Building C object lib/Support/CMakeFiles/LLVMSupport.dir/regfree.c.o
0.127 [3495/14/6] Building C object lib/Support/CMakeFiles/LLVMSupport.dir/regerror.c.o
0.643 [3495/13/7] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/DLangDemangle.cpp.o
0.717 [3495/12/8] Building C object lib/Support/CMakeFiles/LLVMSupport.dir/regcomp.c.o
0.751 [3495/11/9] Building C object lib/Support/BLAKE3/CMakeFiles/LLVMSupportBlake3.dir/blake3_neon.c.o
0.780 [3495/10/10] Building C object lib/Support/CMakeFiles/LLVMSupport.dir/regexec.c.o
0.809 [3495/9/11] Building C object lib/Support/BLAKE3/CMakeFiles/LLVMSupportBlake3.dir/blake3_dispatch.c.o
0.954 [3495/8/12] Building C object lib/Support/BLAKE3/CMakeFiles/LLVMSupportBlake3.dir/blake3.c.o
0.971 [3495/7/13] Building C object lib/Support/BLAKE3/CMakeFiles/LLVMSupportBlake3.dir/blake3_portable.c.o
1.225 [3495/6/14] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/MicrosoftDemangleNodes.cpp.o
1.316 [3495/5/15] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/RustDemangle.cpp.o
2.198 [3495/4/16] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/MicrosoftDemangle.cpp.o
2.592 [3495/3/17] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/cmake_pch.hxx.pch
5.063 [3495/2/18] Building CXX object lib/Demangle/CMakeFiles/LLVMDemangle.dir/ItaniumDemangle.cpp.o
17.487 [3495/1/19] Configuring NATIVE LLVM...
-- The C compiler identification is Clang 18.1.0
-- The CXX compiler identification is Clang 18.1.0
-- The ASM compiler identification is Clang with GNU-like command-line
-- Found assembler: /usr/bin/clang
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- bolt project is disabled
-- clang project is enabled
-- clang-tools-extra project is enabled
-- cross-project-tests project is disabled
-- lld project is disabled
-- lldb project is disabled
-- mlir project is disabled
-- polly project is disabled
-- flang project is disabled
-- libc project is disabled
-- compiler-rt project is disabled
-- Doxygen disabled.
-- Found Python3: /usr/bin/python3.8 (found suitable version "3.8.0", minimum required is "3.0") found components: Interpreter 
-- Performing Test LLVM_LIBSTDCXX_MIN

```

</details>

https://github.com/llvm/llvm-project/pull/190335