[llvm] [IR2Vec] Initial infrastructure for MIR2Vec (PR #161463)

Tue Oct 7 13:51:54 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` at step 7 "test-build-unified-tree-check-llvm-unit".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/2/builds/35587

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

```
Step 7 (test-build-unified-tree-check-llvm-unit) failure: test (failure)
...
[721/786] Building CXX object unittests\tools\llvm-mca\CMakeFiles\LLVMMCATests.dir\__\__\__\tools\llvm-mca\Views\SummaryView.cpp.obj
[722/786] Building RC object unittests\tools\llvm-mca\CMakeFiles\LLVMMCATests.dir\__\__\__\resources\windows_version_resource.rc.res
[723/786] Linking CXX executable unittests\XRay\XRayTests.exe
[724/786] Linking CXX executable unittests\tools\llvm-profgen\LLVMProfgenTests.exe
[725/786] Linking CXX executable unittests\tools\llvm-mca\LLVMMCATests.exe
[726/786] Linking CXX executable unittests\tools\llvm-profdata\LLVMProfdataTests.exe
[727/786] Linking CXX executable unittests\Transforms\Vectorize\VectorizeTests.exe
[728/786] Linking CXX executable unittests\Transforms\Vectorize\SandboxVectorizer\SandboxVectorizerTests.exe
[729/786] Building CXX object unittests\Analysis\CMakeFiles\AnalysisTests.dir\AliasAnalysisTest.cpp.obj
[730/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\MIR2VecTest.cpp.obj
FAILED: unittests/CodeGen/CMakeFiles/CodeGenTests.dir/MIR2VecTest.cpp.obj 
C:\ninja\ccache.exe C:\PROGRA~1\MICROS~2\2022\COMMUN~1\VC\Tools\MSVC\1444~1.352\bin\Hostx64\x64\cl.exe  /nologo /TP -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -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\unittests\CodeGen -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\unittests\CodeGen -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 -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\third-party\unittest\googletest\include -IC:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\third-party\unittest\googlemock\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 /Founittests\CodeGen\CMakeFiles\CodeGenTests.dir\MIR2VecTest.cpp.obj /Fdunittests\CodeGen\CMakeFiles\CodeGenTests.dir\ /FS -c C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\unittests\CodeGen\MIR2VecTest.cpp
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\unittests\CodeGen\MIR2VecTest.cpp(58): error C3861: 'LLVMInitializeX86TargetInfo': identifier not found
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\unittests\CodeGen\MIR2VecTest.cpp(59): error C3861: 'LLVMInitializeX86Target': identifier not found
C:\buildbot\as-builder-3\llvm-clang-x86_64-win-fast\llvm-project\llvm\unittests\CodeGen\MIR2VecTest.cpp(60): error C3861: 'LLVMInitializeX86TargetMC': identifier not found
[731/786] Linking CXX executable unittests\Transforms\IPO\IPOTests.exe
[732/786] Linking CXX executable unittests\Passes\PassBuilderBindings\PassesBindingsTests.exe
[733/786] Linking CXX executable unittests\Target\TargetMachineCTests.exe
[734/786] Building CXX object unittests\CodeGen\CGPluginTest\CMakeFiles\CGPluginTest.dir\PluginTest.cpp.obj
[735/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\TypeTraitsTest.cpp.obj
[736/786] Linking CXX executable unittests\Transforms\Scalar\ScalarTests.exe
[737/786] Linking CXX executable unittests\tools\llvm-exegesis\LLVMExegesisTests.exe
[738/786] Building CXX object unittests\IR\CMakeFiles\IRTests.dir\LegacyPassManagerTest.cpp.obj
[739/786] Linking CXX executable unittests\Transforms\Instrumentation\InstrumentationTests.exe
[740/786] Linking CXX executable unittests\Transforms\Coroutines\CoroTests.exe
[741/786] Linking CXX executable unittests\Transforms\Utils\UtilsTests.exe
[742/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\CCStateTest.cpp.obj
[743/786] Building CXX object unittests\Analysis\CMakeFiles\AnalysisTests.dir\ReplaceWithVecLibTest.cpp.obj
[744/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\GISelAliasTest.cpp.obj
[745/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\SchedBoundary.cpp.obj
[746/786] Building CXX object unittests\Analysis\CMakeFiles\AnalysisTests.dir\IR2VecTest.cpp.obj
[747/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\MachineIRBuilderTest.cpp.obj
[748/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\SelectionDAGAddressAnalysisTest.cpp.obj
[749/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\MLRegAllocDevelopmentFeatures.cpp.obj
[750/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\SelectionDAGNodeConstructionTest.cpp.obj
[751/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\RegAllocScoreTest.cpp.obj
[752/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\GISelMITest.cpp.obj
[753/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\InstructionSelectTest.cpp.obj
[754/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\MachineOperandTest.cpp.obj
[755/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\KnownBitsVectorTest.cpp.obj
[756/786] Building CXX object unittests\MI\CMakeFiles\MITests.dir\LiveIntervalTest.cpp.obj
[757/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\X86MCInstLowerTest.cpp.obj
[758/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\LegalizerTest.cpp.obj
[759/786] Building CXX object unittests\MIR\CMakeFiles\MIRTests.dir\MachineMetadata.cpp.obj
[760/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\KnownFPClassTest.cpp.obj
[761/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\LexicalScopesTest.cpp.obj
[762/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\MachineBasicBlockTest.cpp.obj
[763/786] Building CXX object unittests\CodeGen\GlobalISel\CMakeFiles\GlobalISelTests.dir\KnownBitsTest.cpp.obj
[764/786] Building CXX object unittests\CodeGen\CMakeFiles\CodeGenTests.dir\MachineDomTreeUpdaterTest.cpp.obj

```

</details>

https://github.com/llvm/llvm-project/pull/161463