[clang] [CIR] Honor -fno-clangir (PR #214904)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 37716 tests passed
* 556 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>tools/clang/unittests/CIR/CIRUnitTests</summary>

```
FAILED: tools/clang/unittests/CIR/CIRUnitTests
: && /opt/llvm/bin/clang++ -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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 -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -no-pie -fuse-ld=lld -Wl,-z,pack-relative-relocs -Wl,--color-diagnostics    -Wl,--gc-sections tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/CallOpTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/ControlFlowTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/FenvOpTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/GetFloatingPointTypeTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/IntTypeABIAlignTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/PointerLikeTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/RecordTypeMetadataTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/UnionTypeSizeTest.cpp.o tools/clang/unittests/CIR/CMakeFiles/CIRUnitTests.dir/VectorTypeABIAlignTest.cpp.o -o tools/clang/unittests/CIR/CIRUnitTests  lib/libLLVMCore.a  lib/libLLVMSupport.a  lib/libllvm_gtest_main.a  lib/libllvm_gtest.a  lib/libMLIRCIR.a  lib/libCIROpenACCSupport.a  lib/libMLIRIR.a  lib/libMLIROpenACCDialect.a  lib/libMLIRParser.a  -lpthread  lib/libMLIRCIR.a  lib/libMLIRCIRInterfaces.a  lib/libMLIRFuncDialect.a  lib/libclangAST.a  lib/libclangLex.a  lib/libclangBasic.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMTransformUtils.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoGSYM.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMDebugInfoDWARFLowLevel.a  lib/libLLVMTextAPI.a  lib/libLLVMFrontendDirective.a  lib/libLLVMFrontendHLSL.a  lib/libMLIRGPUDialect.a  lib/libMLIRDLTIDialect.a  lib/libMLIRMathDialect.a  lib/libMLIRLLVMDialect.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libMLIRPtrMemorySpaceInterfaces.a  lib/libMLIRMemRefDialect.a  lib/libMLIRMemorySlotInterfaces.a  lib/libMLIRArithUtils.a  lib/libMLIRComplexDialect.a  lib/libMLIRMemOpInterfaces.a  lib/libMLIRTransformUtils.a  lib/libMLIRSubsetOpInterface.a  lib/libMLIRValueBoundsOpInterface.a  lib/libMLIRDestinationStyleOpInterface.a  lib/libMLIRRewrite.a  lib/libMLIRRewritePDL.a  lib/libMLIRPDLToPDLInterp.a  lib/libMLIRPDLInterpDialect.a  lib/libMLIRPDLDialect.a  lib/libMLIRPass.a  lib/libMLIRAnalysis.a  lib/libMLIRDataLayoutInterfaces.a  lib/libMLIRLoopLikeInterface.a  lib/libMLIRControlFlowInterfaces.a  lib/libMLIRFunctionInterfaces.a  lib/libMLIRCallInterfaces.a  lib/libMLIRSideEffectInterfaces.a  lib/libMLIRDialectUtils.a  lib/libMLIRInferStridedMetadataInterface.a  lib/libMLIRViewLikeInterface.a  lib/libMLIRPresburger.a  lib/libMLIROpenACCMPCommon.a  lib/libMLIRArithDialect.a  lib/libMLIRInferTypeOpInterface.a  lib/libMLIRDialect.a  lib/libMLIRInferIntRangeCommon.a  lib/libMLIRInferIntRangeInterface.a  lib/libMLIRShapedOpInterfaces.a  lib/libMLIRUBDialect.a  lib/libMLIRCastInterfaces.a  lib/libMLIRInferIntDivisibilityOpInterface.a  lib/libMLIRBytecodeReader.a  lib/libMLIRAsmParser.a  lib/libMLIRIR.a  lib/libMLIRSupport.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
ld.lld: error: undefined symbol: mlir::memoryslot::updateTerminator(mlir::Block*, mlir::Value, llvm::DenseMap<mlir::Block*, mlir::Value, llvm::DenseMapInfo<mlir::Block*, void>, llvm::detail::DenseMapPair<mlir::Block*, mlir::Value>> const&)
>>> referenced by MemRefMemorySlot.cpp:308 (/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/lib/Dialect/MemRef/IR/MemRefMemorySlot.cpp:308)
>>>               MemRefMemorySlot.cpp.o:(mlir::memref::AllocaScopeOp::finalizePromotion(mlir::MemorySlot const&, mlir::Value, bool, llvm::DenseMap<mlir::Block*, mlir::Value, llvm::DenseMapInfo<mlir::Block*, void>, llvm::detail::DenseMapPair<mlir::Block*, mlir::Value>> const&, mlir::OpBuilder&)) in archive lib/libMLIRMemRefDialect.a

ld.lld: error: undefined symbol: mlir::memoryslot::replaceWithNewResults(mlir::RewriterBase&, mlir::Operation*, mlir::TypeRange)
>>> referenced by MemRefMemorySlot.cpp:315 (/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/lib/Dialect/MemRef/IR/MemRefMemorySlot.cpp:315)
>>>               MemRefMemorySlot.cpp.o:(mlir::memref::AllocaScopeOp::finalizePromotion(mlir::MemorySlot const&, mlir::Value, bool, llvm::DenseMap<mlir::Block*, mlir::Value, llvm::DenseMapInfo<mlir::Block*, void>, llvm::detail::DenseMapPair<mlir::Block*, mlir::Value>> const&, mlir::OpBuilder&)) in archive lib/libMLIRMemRefDialect.a
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/214904