[llvm] [mlir] [LLVM][MLIR] Move LSP server support library from MLIR into LLVM (PR #157885)

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Thu Sep 11 10:20:35 PDT 2025 

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/157885 at github.com>


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-sles-build-only` running on `rocm-worker-hw-04-sles` while building `llvm,mlir` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/140/builds/30551

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

```
Step 5 (compile-openmp) failure: build (failure)
...
13.687 [2521/32/4850] Building arm_immcheck_types.inc...
13.689 [2520/32/4851] Building DiagnosticInstallAPIKinds.inc...
13.689 [2519/32/4852] Building arm_sme_builtins.inc...
13.700 [2518/32/4853] Linking CXX static library lib/libMLIRLinalgTransformOps.a
13.701 [2517/32/4854] Building AttrParsedAttrList.inc...
13.702 [2516/32/4855] Building arm_mve_builtin_sema.inc...
13.709 [2515/32/4856] Linking CXX static library lib/libMLIRSPIRVDialect.a
13.710 [2514/32/4857] Building arm_sme_builtin_cg.inc...
13.715 [2513/32/4858] Linking CXX static library lib/libMLIRSparseTensorTransformOps.a
13.716 [2512/32/4859] Linking CXX executable bin/tblgen-lsp-server
FAILED: bin/tblgen-lsp-server 
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wundef -Wno-unused-but-set-parameter -Wno-deprecated-copy -O3 -DNDEBUG -Wl,-rpath-link,/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.build/./lib  -Wl,--gc-sections tools/mlir/tools/tblgen-lsp-server/CMakeFiles/tblgen-lsp-server.dir/tblgen-lsp-server.cpp.o -o bin/tblgen-lsp-server  -Wl,-rpath,"\$ORIGIN/../lib:"  -lpthread  lib/libTableGenLspServerLib.a  lib/libMLIRLspServerSupportLib.a  lib/libMLIRSupport.a  lib/libLLVMTableGen.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lpthread  -lm  /usr/lib64/libz.so  /usr/lib64/libzstd.so  lib/libLLVMSupportLSP.a && :
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: lib/libLLVMSupportLSP.a(Logging.cpp.o): in function `llvm::support::detail::provider_format_adapter<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >&>::format(llvm::raw_ostream&, llvm::StringRef)':
Logging.cpp:(.text._ZN4llvm7support6detail23provider_format_adapterIRNSt6chrono10time_pointINS3_3_V212system_clockENS3_8durationIlSt5ratioILl1ELl1000000000EEEEEEE6formatERNS_11raw_ostreamENS_9StringRefE[_ZN4llvm7support6detail23provider_format_adapterIRNSt6chrono10time_pointINS3_3_V212system_clockENS3_8durationIlSt5ratioILl1ELl1000000000EEEEEEE6formatERNS_11raw_ostreamENS_9StringRefE]+0x5): undefined reference to `llvm::format_provider<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >, void>::format(std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const&, llvm::raw_ostream&, llvm::StringRef)'
collect2: error: ld returned 1 exit status
13.723 [2512/31/4860] Linking CXX static library lib/libMLIRSPIRVToLLVMIRTranslation.a
13.724 [2512/30/4861] Building DiagnosticIndexName.inc...
13.725 [2512/29/4862] Building arm_neon.inc...
13.725 [2512/28/4863] Linking CXX static library lib/libMLIRSPIRVModuleCombiner.a
13.734 [2512/27/4864] Building riscv_vector_builtins.inc...
13.742 [2512/26/4865] Building arm_mve_builtin_cg.inc...
13.749 [2512/25/4866] Building arm_sve_sema_rangechecks.inc...
13.752 [2512/24/4867] Linking CXX static library lib/libMLIRSPIRVConversion.a
13.768 [2512/23/4868] Building arm_sve_builtin_cg.inc...
13.780 [2512/22/4869] Building arm_sve_builtins.inc...
13.783 [2512/21/4870] Building riscv_vector_builtin_cg.inc...
13.874 [2512/20/4871] Linking CXX executable bin/tblgen-to-irdl
13.907 [2512/19/4872] Linking CXX executable bin/mlir-minimal-opt
13.919 [2512/18/4873] Building CXX object tools/mlir/test/lib/Transforms/CMakeFiles/MLIRTestTransforms.dir/TestDialectConversion.cpp.o
13.938 [2512/17/4874] Building CXX object tools/mlir/lib/Tools/mlir-pdll-lsp-server/CMakeFiles/MLIRPdllLspServerLib.dir/MlirPdllLspServerMain.cpp.o
14.034 [2512/16/4875] Linking CXX executable bin/mlir-minimal-opt-canonicalize
14.107 [2512/15/4876] Linking CXX static library lib/libMLIRTestDialect.a
14.899 [2512/14/4877] Building CXX object tools/mlir/lib/Tools/mlir-pdll-lsp-server/CMakeFiles/MLIRPdllLspServerLib.dir/LSPServer.cpp.o
15.244 [2512/13/4878] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
16.293 [2512/12/4879] Building AMDGPUGenCallingConv.inc...
16.390 [2512/11/4880] Building AMDGPUGenSubtargetInfo.inc...
17.164 [2512/10/4881] Building AMDGPUGenAsmWriter.inc...
17.320 [2512/9/4882] Building AMDGPUGenSearchableTables.inc...
17.688 [2512/8/4883] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
In file included from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include/llvm/LTO/LTO.h:24:0,
                 from /home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/lib/LTO/LTO.cpp:13:
/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include/llvm/IR/ModuleSummaryIndex.h: In member function ‘llvm::TypeIdSummary& llvm::ModuleSummaryIndex::getOrInsertTypeIdSummary(llvm::StringRef)’:
/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include/llvm/IR/ModuleSummaryIndex.h:1879:33: warning: unused variable ‘GUID’ [-Wunused-variable]
     for (auto &[GUID, TypeIdPair] : make_range(TidIter))
                                 ^
/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include/llvm/IR/ModuleSummaryIndex.h: In member function ‘const llvm::TypeIdSummary* llvm::ModuleSummaryIndex::getTypeIdSummary(llvm::StringRef) const’:
/home/botworker/bbot/builds/openmp-offload-sles-build/llvm.src/llvm/include/llvm/IR/ModuleSummaryIndex.h:1893:39: warning: unused variable ‘GUID’ [-Wunused-variable]
     for (const auto &[GUID, TypeIdPair] : make_range(TidIter))
                                       ^

```

</details>

https://github.com/llvm/llvm-project/pull/157885

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