[llvm] [mlir] [OMPIRBuilder] Avoid invalid debug location. (PR #151306)

Mon Aug 11 10:52:00 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-win-fast` running on `as-builder-3` while building `llvm,mlir` at step 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/2/builds/31009

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

```
Step 6 (build-unified-tree) failure: build (failure)
...
[2107/4266] Building CXX object lib\DebugInfo\PDB\CMakeFiles\LLVMDebugInfoPDB.dir\Native\NativeTypeArray.cpp.obj
[2108/4266] Building CXX object lib\DebugInfo\PDB\CMakeFiles\LLVMDebugInfoPDB.dir\Native\NativeTypeUDT.cpp.obj
[2109/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\COFF.cpp.obj
[2110/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\XCOFF.cpp.obj
[2111/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\AbsoluteSymbols.cpp.obj
[2112/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\EPCDynamicLibrarySearchGenerator.cpp.obj
[2113/4266] Building CXX object lib\ExecutionEngine\Interpreter\CMakeFiles\LLVMInterpreter.dir\Interpreter.cpp.obj
[2114/4266] Building CXX object lib\ExecutionEngine\MCJIT\CMakeFiles\LLVMMCJIT.dir\MCJIT.cpp.obj
[2115/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\Core.cpp.obj
[2116/4266] Building CXX object lib\Frontend\OpenMP\CMakeFiles\LLVMFrontendOpenMP.dir\OMPIRBuilder.cpp.obj
FAILED: lib/Frontend/OpenMP/CMakeFiles/LLVMFrontendOpenMP.dir/OMPIRBuilder.cpp.obj 
C:\ninja\ccache.exe C:\PROGRA~1\MICROS~2\2022\COMMUN~1\VC\Tools\MSVC\1438~1.331\bin\Hostx64\x64\cl.exe  /nologo /TP -DGTEST_HAS_RTTI=0 -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\build\lib\Frontend\OpenMP -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\lib\Frontend\OpenMP -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\build\include -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Oi /bigobj /permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -wd4251 -wd4275 -w14062 -we4238 /Gw /O2 /Ob2 /DNDEBUG -MD  /EHs-c- /GR- -std:c++17 /showIncludes /Folib\Frontend\OpenMP\CMakeFiles\LLVMFrontendOpenMP.dir\OMPIRBuilder.cpp.obj /Fdlib\Frontend\OpenMP\CMakeFiles\LLVMFrontendOpenMP.dir\LLVMFrontendOpenMP.pdb /FS -c C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\lib\Frontend\OpenMP\OMPIRBuilder.cpp
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\lib\Frontend\OpenMP\OMPIRBuilder.cpp(9008): error C3861: 'restoreIPandDebugLoc': identifier not found
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\lib\Frontend\OpenMP\OMPIRBuilder.cpp(9027): error C3861: 'restoreIPandDebugLoc': identifier not found
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\lib\Frontend\OpenMP\OMPIRBuilder.cpp(9037): error C3861: 'restoreIPandDebugLoc': identifier not found
[2117/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\EPCDebugObjectRegistrar.cpp.obj
[2118/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\DebugUtils.cpp.obj
[2119/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\EPCGenericDylibManager.cpp.obj
[2120/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\GetDylibInterface.cpp.obj
[2121/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\EHFrameRegistrationPlugin.cpp.obj
[2122/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\COFFVCRuntimeSupport.cpp.obj
[2123/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\CompileUtils.cpp.obj
[2124/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\CompileOnDemandLayer.cpp.obj
[2125/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\EPCGenericJITLinkMemoryManager.cpp.obj
[2126/4266] Building CXX object lib\ExecutionEngine\Orc\CMakeFiles\LLVMOrcJIT.dir\COFFPlatform.cpp.obj
[2127/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\MachO.cpp.obj
[2128/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\JITLinkGeneric.cpp.obj
[2129/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\CompactUnwindSupport.cpp.obj
[2130/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\DWARFRecordSectionSplitter.cpp.obj
[2131/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\JITLinkMemoryManager.cpp.obj
[2132/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\riscv.cpp.obj
[2133/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\ppc64.cpp.obj
[2134/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\COFFLinkGraphBuilder.cpp.obj
[2135/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\x86.cpp.obj
[2136/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\ELF.cpp.obj
[2137/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\COFF.cpp.obj
[2138/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\COFF_x86_64.cpp.obj
[2139/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\aarch32.cpp.obj
[2140/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\MachO_x86_64.cpp.obj
[2141/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\JITLink.cpp.obj
[2142/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\x86_64.cpp.obj
[2143/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\EHFrameSupport.cpp.obj
[2144/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\loongarch.cpp.obj
[2145/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\XCOFFLinkGraphBuilder.cpp.obj
[2146/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\MachOLinkGraphBuilder.cpp.obj
[2147/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\ELF_x86.cpp.obj
[2148/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\COFFDirectiveParser.cpp.obj
[2149/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\ELF_x86_64.cpp.obj
[2150/4266] Building CXX object lib\ExecutionEngine\JITLink\CMakeFiles\LLVMJITLink.dir\ELF_aarch32.cpp.obj

```

</details>

https://github.com/llvm/llvm-project/pull/151306