[clang] [compiler-rt] [lld] [llvm] [Coverage][WebAssembly] Add initial support for WebAssembly/WASI (PR #111332)

Mon Oct 14 13:18:50 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `clang,compiler-rt,lld,llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/2476

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
170.755 [21/9/6251] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/InputChunks.cpp.o
171.007 [21/8/6252] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/Symbols.cpp.o
171.090 [21/7/6253] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/OutputSections.cpp.o
171.258 [21/6/6254] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/MapFile.cpp.o
172.094 [21/5/6255] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/SymbolTable.cpp.o
174.237 [21/4/6256] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/Driver.cpp.o
174.257 [21/3/6257] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/SyntheticSections.cpp.o
174.264 [21/2/6258] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/InputFiles.cpp.o
177.666 [21/1/6259] Building CXX object tools/lld/wasm/CMakeFiles/lldWasm.dir/Writer.cpp.o
177.743 [20/1/6260] Linking CXX shared library lib/liblldWasm.so.20.0git
FAILED: lib/liblldWasm.so.20.0git 
: && /home/docker/llvm-external-buildbots/clang.17.0.6/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -fPIC -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 -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete -Wl,--color-diagnostics   -Wl,--gc-sections -shared -Wl,-soname,liblldWasm.so.20.0git -o lib/liblldWasm.so.20.0git tools/lld/wasm/CMakeFiles/lldWasm.dir/Driver.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/InputChunks.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/InputFiles.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/LTO.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/MapFile.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/MarkLive.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/OutputSections.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/OutputSegment.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/Relocations.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/SymbolTable.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/Symbols.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/SyntheticSections.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/Writer.cpp.o tools/lld/wasm/CMakeFiles/lldWasm.dir/WriterUtils.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib:"  lib/liblldCommon.so.20.0git  lib/libLLVMAArch64CodeGen.so.20.0git  lib/libLLVMAArch64AsmParser.so.20.0git  lib/libLLVMAArch64Disassembler.so.20.0git  lib/libLLVMAMDGPUCodeGen.so.20.0git  lib/libLLVMAMDGPUAsmParser.so.20.0git  lib/libLLVMAMDGPUDisassembler.so.20.0git  lib/libLLVMARMCodeGen.so.20.0git  lib/libLLVMARMAsmParser.so.20.0git  lib/libLLVMARMDisassembler.so.20.0git  lib/libLLVMAVRCodeGen.so.20.0git  lib/libLLVMAVRAsmParser.so.20.0git  lib/libLLVMAVRDesc.so.20.0git  lib/libLLVMAVRDisassembler.so.20.0git  lib/libLLVMAVRInfo.so.20.0git  lib/libLLVMBPFCodeGen.so.20.0git  lib/libLLVMBPFAsmParser.so.20.0git  lib/libLLVMBPFDesc.so.20.0git  lib/libLLVMBPFDisassembler.so.20.0git  lib/libLLVMBPFInfo.so.20.0git  lib/libLLVMHexagonCodeGen.so.20.0git  lib/libLLVMHexagonAsmParser.so.20.0git  lib/libLLVMHexagonDisassembler.so.20.0git  lib/libLLVMLanaiCodeGen.so.20.0git  lib/libLLVMLanaiAsmParser.so.20.0git  lib/libLLVMLanaiDisassembler.so.20.0git  lib/libLLVMLoongArchCodeGen.so.20.0git  lib/libLLVMLoongArchAsmParser.so.20.0git  lib/libLLVMLoongArchDisassembler.so.20.0git  lib/libLLVMMipsCodeGen.so.20.0git  lib/libLLVMMipsAsmParser.so.20.0git  lib/libLLVMMipsDesc.so.20.0git  lib/libLLVMMipsDisassembler.so.20.0git  lib/libLLVMMipsInfo.so.20.0git  lib/libLLVMMSP430CodeGen.so.20.0git  lib/libLLVMMSP430AsmParser.so.20.0git  lib/libLLVMMSP430Desc.so.20.0git  lib/libLLVMMSP430Disassembler.so.20.0git  lib/libLLVMMSP430Info.so.20.0git  lib/libLLVMNVPTXCodeGen.so.20.0git  lib/libLLVMNVPTXDesc.so.20.0git  lib/libLLVMNVPTXInfo.so.20.0git  lib/libLLVMPowerPCCodeGen.so.20.0git  lib/libLLVMPowerPCAsmParser.so.20.0git  lib/libLLVMPowerPCDesc.so.20.0git  lib/libLLVMPowerPCDisassembler.so.20.0git  lib/libLLVMPowerPCInfo.so.20.0git  lib/libLLVMRISCVCodeGen.so.20.0git  lib/libLLVMRISCVAsmParser.so.20.0git  lib/libLLVMRISCVDisassembler.so.20.0git  lib/libLLVMSparcCodeGen.so.20.0git  lib/libLLVMSparcAsmParser.so.20.0git  lib/libLLVMSparcDesc.so.20.0git  lib/libLLVMSparcDisassembler.so.20.0git  lib/libLLVMSparcInfo.so.20.0git  lib/libLLVMSystemZCodeGen.so.20.0git  lib/libLLVMSystemZAsmParser.so.20.0git  lib/libLLVMSystemZDisassembler.so.20.0git  lib/libLLVMVECodeGen.so.20.0git  lib/libLLVMVEAsmParser.so.20.0git  lib/libLLVMVEDesc.so.20.0git  lib/libLLVMVEDisassembler.so.20.0git  lib/libLLV
/libLLVMWebAssemblyDisassembler.so.20.0git  lib/libLLVMWebAssemblyUtils.so.20.0git  lib/libLLVMX86CodeGen.so.20.0git  lib/libLLVMX86AsmParser.so.20.0git  lib/libLLVMX86Desc.so.20.0git  lib/libLLVMX86Disassembler.so.20.0git  lib/libLLVMX86Info.so.20.0git  lib/libLLVMXCoreCodeGen.so.20.0git  lib/libLLVMXCoreDesc.so.20.0git  lib/libLLVMXCoreDisassembler.so.20.0git  lib/libLLVMXCoreInfo.so.20.0git  lib/libLLVMLTO.so.20.0git  lib/libLLVMOption.so.20.0git  lib/libLLVMPasses.so.20.0git  lib/libLLVMAArch64Desc.so.20.0git  lib/libLLVMAArch64Info.so.20.0git  lib/libLLVMAArch64Utils.so.20.0git  lib/libLLVMAMDGPUDesc.so.20.0git  lib/libLLVMAMDGPUInfo.so.20.0git  lib/libLLVMAMDGPUUtils.so.20.0git  lib/libLLVMARMDesc.so.20.0git  lib/libLLVMARMInfo.so.20.0git  lib/libLLVMARMUtils.so.20.0git  lib/libLLVMHexagonDesc.so.20.0git  lib/libLLVMHexagonInfo.so.20.0git  lib/libLLVMLanaiDesc.so.20.0git  lib/libLLVMLanaiInfo.so.20.0git  lib/libLLVMLoongArchDesc.so.20.0git  lib/libLLVMLoongArchInfo.so.20.0git  lib/libLLVMRISCVDesc.so.20.0git  lib/libLLVMRISCVInfo.so.20.0git  lib/libLLVMSystemZDesc.so.20.0git  lib/libLLVMSystemZInfo.so.20.0git  lib/libLLVMWebAssemblyDesc.so.20.0git  lib/libLLVMWebAssemblyInfo.so.20.0git  lib/libLLVMObject.so.20.0git  lib/libLLVMMC.so.20.0git  lib/libLLVMCore.so.20.0git  lib/libLLVMBinaryFormat.so.20.0git  lib/libLLVMTargetParser.so.20.0git  lib/libLLVMSupport.so.20.0git  lib/libLLVMDemangle.so.20.0git  -Wl,-rpath-link,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib && :
ld.lld: error: undefined symbol: llvm::getInstrProfSectionName[abi:cxx11](llvm::InstrProfSectKind, llvm::Triple::ObjectFormatType, bool)
>>> referenced by InputFiles.cpp
>>>               tools/lld/wasm/CMakeFiles/lldWasm.dir/InputFiles.cpp.o:(lld::wasm::ObjFile::parse(bool))
>>> referenced by InputFiles.cpp
>>>               tools/lld/wasm/CMakeFiles/lldWasm.dir/InputFiles.cpp.o:(lld::wasm::ObjFile::parse(bool))
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/111332