[clang] [HIP] Replace use of `llvm-mc` with `clang` (PR #112041)

Sat Oct 12 05:29:11 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `clang` at step 12 "build-stage2-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/4368

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

```
Step 12 (build-stage2-unified-tree) failure: build (failure)
...
266.232 [1928/1154/3209] Linking CXX static library lib/libLLVMAVRInfo.a
266.265 [1927/1154/3210] Building CXX object lib/ToolDrivers/llvm-lib/CMakeFiles/LLVMLibDriver.dir/LibDriver.cpp.o
266.303 [1926/1154/3211] Building CXX object tools/clang/lib/IndexSerialization/CMakeFiles/obj.clangIndexSerialization.dir/SerializablePathCollection.cpp.o
266.323 [1925/1154/3212] Building CXX object lib/Target/Lanai/MCTargetDesc/CMakeFiles/LLVMLanaiDesc.dir/LanaiELFObjectWriter.cpp.o
266.352 [1924/1154/3213] Linking CXX static library lib/libLLVMBPFInfo.a
266.394 [1923/1154/3214] Building X86GenDisassemblerTables.inc...
266.431 [1922/1154/3215] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachO.cpp.o
266.442 [1921/1154/3216] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/XCore.cpp.o
266.482 [1920/1154/3217] Linking CXX static library lib/libLLVMLibDriver.a
266.615 [1919/1154/3218] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o
FAILED: tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o 
ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/tools/clang/lib/Driver -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/clang/lib/Driver -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/include -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 -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o -MF tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o.d -o tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/clang/lib/Driver/ToolChains/HIPUtility.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/clang/lib/Driver/ToolChains/HIPUtility.cpp:343:20: error: unused variable 'TC' [-Werror,-Wunused-variable]
  343 |   const ToolChain &TC = T.getToolChain();
      |                    ^~
1 error generated.
266.634 [1919/1153/3219] Building RISCVGenSearchableTables.inc...
266.695 [1919/1152/3220] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/PPCallbacks.cpp.o
266.735 [1919/1151/3221] Building CXX object lib/Target/Mips/MCTargetDesc/CMakeFiles/LLVMMipsDesc.dir/MipsMCAsmInfo.cpp.o
266.785 [1919/1150/3222] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/Types.cpp.o
266.805 [1919/1149/3223] Building CXX object lib/Target/Mips/TargetInfo/CMakeFiles/LLVMMipsInfo.dir/MipsTargetInfo.cpp.o
266.835 [1919/1148/3224] Building CXX object tools/clang/lib/Analysis/FlowSensitive/CMakeFiles/obj.clangAnalysisFlowSensitive.dir/WatchedLiteralsSolver.cpp.o
266.925 [1919/1147/3225] Building CXX object lib/Target/Lanai/MCTargetDesc/CMakeFiles/LLVMLanaiDesc.dir/LanaiMCCodeEmitter.cpp.o
266.945 [1919/1146/3226] Building CXX object lib/Target/MSP430/MCTargetDesc/CMakeFiles/LLVMMSP430Desc.dir/MSP430ELFObjectWriter.cpp.o
267.015 [1919/1145/3227] Building CXX object tools/lli/ChildTarget/CMakeFiles/lli-child-target.dir/ChildTarget.cpp.o
267.055 [1919/1144/3228] Building CXX object tools/clang/lib/Serialization/CMakeFiles/obj.clangSerialization.dir/ObjectFilePCHContainerReader.cpp.o
267.085 [1919/1143/3229] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/PPConditionalDirectiveRecord.cpp.o
267.175 [1919/1142/3230] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/MultiplexConsumer.cpp.o
267.275 [1919/1141/3231] Building CXX object lib/Target/MSP430/TargetInfo/CMakeFiles/LLVMMSP430Info.dir/MSP430TargetInfo.cpp.o
267.305 [1919/1140/3232] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/SPIRV.cpp.o
267.308 [1919/1139/3233] Building CXX object lib/Target/Lanai/MCTargetDesc/CMakeFiles/LLVMLanaiDesc.dir/LanaiInstPrinter.cpp.o
267.345 [1919/1138/3234] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/SARIFDiagnostic.cpp.o
267.426 [1919/1137/3235] Building CXX object lib/Target/AVR/MCTargetDesc/CMakeFiles/LLVMAVRDesc.dir/AVRELFObjectWriter.cpp.o
267.565 [1919/1136/3236] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/TCE.cpp.o
267.715 [1919/1135/3237] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HLSL.cpp.o
267.743 [1919/1134/3238] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/CharInfo.cpp.o
267.795 [1919/1133/3239] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/DependencyDirectivesScanner.cpp.o
267.835 [1919/1132/3240] Building CXX object tools/llvm-debuginfod/CMakeFiles/llvm-debuginfod.dir/llvm-debuginfod.cpp.o
267.855 [1919/1131/3241] Building CXX object lib/Target/Sparc/TargetInfo/CMakeFiles/LLVMSparcInfo.dir/SparcTargetInfo.cpp.o
267.991 [1919/1130/3242] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/InterfaceStubs.cpp.o
268.005 [1919/1129/3243] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/Hurd.cpp.o
268.054 [1919/1128/3244] Building CXX object lib/Target/LoongArch/MCTargetDesc/CMakeFiles/LLVMLoongArchDesc.dir/LoongArchInstPrinter.cpp.o
268.085 [1919/1127/3245] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/VEToolchain.cpp.o
268.088 [1919/1126/3246] Building CXX object tools/clang/lib/Analysis/CMakeFiles/obj.clangAnalysis.dir/ThreadSafetyLogical.cpp.o
268.175 [1919/1125/3247] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/Arch/SystemZ.cpp.o
268.176 [1919/1124/3248] Building CXX object lib/Target/Lanai/MCTargetDesc/CMakeFiles/LLVMLanaiDesc.dir/LanaiAsmBackend.cpp.o
268.265 [1919/1123/3249] Building CXX object lib/Target/XCore/MCTargetDesc/CMakeFiles/LLVMXCoreDesc.dir/XCoreMCAsmInfo.cpp.o
268.335 [1919/1122/3250] Building CXX object tools/clang/lib/Frontend/CMakeFiles/obj.clangFrontend.dir/TextDiagnosticPrinter.cpp.o
268.355 [1919/1121/3251] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/TaskDispatch.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/112041