[llvm] [DirectX] Add ObjectFile boilerplate for objdump (PR #151434)

Mon Aug 4 11:59:22 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-key-instructions` running on `sie-linux-worker5` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/208/builds/3375

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
55.145 [204/10/583] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/flags.cpp.o
55.349 [203/10/584] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/mem_map.cpp.o
55.521 [202/10/585] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/linux.cpp.o
55.564 [201/10/586] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/mem_map_fuchsia.cpp.o
55.723 [200/10/587] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/mem_map_linux.cpp.o
55.795 [199/10/588] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/release.cpp.o
56.079 [198/10/589] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/report.cpp.o
56.083 [197/10/590] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/report_linux.cpp.o
56.531 [196/10/591] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/clang_rt.scudo_standalone-dynamic-x86_64.dir/timing.cpp.o
56.712 [195/10/592] Building CXX object compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o
FAILED: compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o 
/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/../.. -I/home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -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 -Wall -Wno-unused-parameter -O3 -DNDEBUG -m64 -Werror=conversion -Wall -Wextra -pedantic -g -nostdinc++ -fvisibility=hidden -fno-exceptions -Wno-pedantic -fno-lto -O3 -Werror=thread-safety -fno-omit-frame-pointer -DGWP_ASAN_HOOKS -std=c++17 -MD -MT compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o -MF compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o.d -o compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o -c /home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/wrappers_cpp.cpp
Cannot find interchangeable instruction.
UNREACHABLE executed at /home/buildbot/buildbot-root/llvm-ki/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:997!
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/buildbot/buildbot-root/llvm-ki/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/../.. -I/home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -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 -Wall -Wno-unused-parameter -O3 -DNDEBUG -m64 -Werror=conversion -Wall -Wextra -pedantic -g -nostdinc++ -fvisibility=hidden -fno-exceptions -Wno-pedantic -fno-lto -O3 -Werror=thread-safety -fno-omit-frame-pointer -DGWP_ASAN_HOOKS -std=c++17 -MD -MT compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o -MF compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o.d -o compiler-rt/lib/scudo/standalone/CMakeFiles/RTScudoStandaloneCxxWrappers.x86_64.dir/wrappers_cpp.cpp.o -c /home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/wrappers_cpp.cpp
1.	<eof> parser at end of file
2.	Optimizer
3.	Running pass "function<eager-inv>(float2int,lower-constant-intrinsics,chr,loop(loop-rotate<header-duplication;no-prepare-for-lto>,loop-deletion),loop-distribute,inject-tli-mappings,loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,infer-alignment,loop-load-elim,instcombine<max-iterations=1;no-verify-fixpoint>,simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;no-hoist-loads-stores-with-cond-faulting;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,slp-vectorizer,vector-combine,instcombine<max-iterations=1;no-verify-fixpoint>,loop-unroll<O3>,transform-warning,sroa<preserve-cfg>,infer-alignment,instcombine<max-iterations=1;no-verify-fixpoint>,loop-mssa(licm<allowspeculation>),alignment-from-assumptions,loop-sink,instsimplify,div-rem-pairs,tailcallelim,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;hoist-loads-stores-with-cond-faulting;no-sink-common-insts;speculate-blocks;simplify-cond-branch;speculate-unpredictables>)" on module "/home/buildbot/buildbot-root/llvm-ki/llvm-project/compiler-rt/lib/scudo/standalone/wrappers_cpp.cpp"
4.	Running pass "slp-vectorizer" on function "_ZN5scudo18PageReleaseContext21markRangeAsAllCountedEmmmmm"
 #0 0x00005981ebb8ae30 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x4238e30)
 #1 0x00005981ebb87adf llvm::sys::RunSignalHandlers() (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x4235adf)
 #2 0x00005981ebac80c8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x0000735b6249f520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000735b624f39fc __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
 #5 0x0000735b624f39fc __pthread_kill_internal ./nptl/pthread_kill.c:78:10
 #6 0x0000735b624f39fc pthread_kill ./nptl/pthread_kill.c:89:10
 #7 0x0000735b6249f476 gsignal ./signal/../sysdeps/posix/raise.c:27:6
 #8 0x0000735b624857f3 abort ./stdlib/abort.c:81:7
 #9 0x00005981ebad4e6e (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x4182e6e)
#10 0x00005981ed6634f3 (anonymous namespace)::InstructionsState::getMatchingMainOpOrAltOp(llvm::Instruction*) const SLPVectorizer.cpp:0:0
#11 0x00005981ed6637d7 llvm::Value* const* std::__find_if<llvm::Value* const*, __gnu_cxx::__ops::_Iter_negate<getSameOpcode(llvm::ArrayRef<llvm::Value*>, llvm::TargetLibraryInfo const&)::'lambda0'(llvm::Value*)>>(llvm::Value* const*, llvm::Value* const*, __gnu_cxx::__ops::_Iter_negate<getSameOpcode(llvm::ArrayRef<llvm::Value*>, llvm::TargetLibraryInfo const&)::'lambda0'(llvm::Value*)>, std::random_access_iterator_tag) (.constprop.0) SLPVectorizer.cpp:0:0
#12 0x00005981ed6caacd getSameOpcode(llvm::ArrayRef<llvm::Value*>, llvm::TargetLibraryInfo const&) SLPVectorizer.cpp:0:0
#13 0x00005981ed705fab (anonymous namespace)::InstructionsCompatibilityAnalysis::buildInstructionsState(llvm::ArrayRef<llvm::Value*>, llvm::slpvectorizer::BoUpSLP const&, bool, bool, bool) (.constprop.0) SLPVectorizer.cpp:0:0
#14 0x00005981ed757768 llvm::SLPVectorizerPass::vectorizeStoreChain(llvm::ArrayRef<llvm::Value*>, llvm::slpvectorizer::BoUpSLP&, unsigned int, unsigned int, unsigned int&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x5e05768)
#15 0x00005981ed7595e3 llvm::SLPVectorizerPass::vectorizeStores(llvm::ArrayRef<llvm::StoreInst*>, llvm::slpvectorizer::BoUpSLP&, llvm::DenseSet<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, llvm::DenseMapInfo<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, void>>&)::'lambda'(std::map<long, unsigned int, std::less<long>, std::allocator<std::pair<long const, unsigned int>>> const&)::operator()(std::map<long, unsigned int, std::less<long>, std::allocator<std::pair<long const, unsigned int>>> const&) const SLPVectorizer.cpp:0:0
#16 0x00005981ed75b8d0 llvm::SLPVectorizerPass::vectorizeStores(llvm::ArrayRef<llvm::StoreInst*>, llvm::slpvectorizer::BoUpSLP&, llvm::DenseSet<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, llvm::DenseMapInfo<std::tuple<llvm::Value*, llvm::Value*, llvm::Value*, llvm::Value*, unsigned int>, void>>&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x5e098d0)
#17 0x00005981ed75c169 llvm::SLPVectorizerPass::vectorizeStoreChains(llvm::slpvectorizer::BoUpSLP&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x5e0a169)
#18 0x00005981ed75d7cc llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (.part.0) SLPVectorizer.cpp:0:0
#19 0x00005981ed75e3b1 llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x5e0c3b1)
#20 0x00005981ecc72ad6 llvm::detail::PassModel<llvm::Function, llvm::SLPVectorizerPass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) crtstuff.c:0:0
#21 0x00005981eb4e0797 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x3b8e797)
#22 0x00005981e8c47f16 llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) crtstuff.c:0:0
#23 0x00005981eb4e0d09 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x3b8ed09)
#24 0x00005981e8c48606 llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) crtstuff.c:0:0
#25 0x00005981eb4deab4 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x3b8cab4)
#26 0x00005981ebe37003 (anonymous namespace)::EmitAssemblyHelper::RunOptimizationPipeline(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>&, std::unique_ptr<llvm::ToolOutputFile, std::default_delete<llvm::ToolOutputFile>>&, clang::BackendConsumer*) BackendUtil.cpp:0:0
#27 0x00005981ebe3b5a3 clang::emitBackendOutput(clang::CompilerInstance&, clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/buildbot/buildbot-root/llvm-ki/build/./bin/clang+++0x44e95a3)

```

</details>

https://github.com/llvm/llvm-project/pull/151434