tianshilei1992 added a comment. In D89802#2359537 <https://reviews.llvm.org/D89802#2359537>, @jhuber6 wrote:
> In D89802#2359504 <https://reviews.llvm.org/D89802#2359504>, @tianshilei1992 > wrote: > >> This patch caused segment fault in D90099 <https://reviews.llvm.org/D90099> >> where the map variable info pointer is `nullptr` but it is deferenced. > > Was it this one, or was it D90172 <https://reviews.llvm.org/D90172>. This > patch only changes the code generation in Clang so I don't think it > references the generated mapping pointers. It's possible I forget to check > the status of the pointer somewhere in the RTL. The dereference is in the Clang. I happened to have a full log: $ clang -cc1 -DCK1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm $HOME/Documents/vscode/llvm-project/clang/test/OpenMP/target_exit_data_codegen.cpp -o target_exit_data_codegen.ll PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: clang -cc1 -DCK1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu -x c++ -triple powerpc64le-unknown-unknown -emit-llvm /home/shiltian/Documents/vscode/llvm-project/clang/test/OpenMP/target_exit_data_codegen.cpp -o target_exit_data_codegen.ll 1. <eof> parser at end of file 2. Per-file LLVM IR generation 3. /home/shiltian/Documents/vscode/llvm-project/clang/test/OpenMP/target_exit_data_codegen.cpp:48:6: Generating code for declaration 'foo' #0 0x000055b62a4406ec llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x1f3d6ec) #1 0x000055b62a43e3c4 llvm::sys::RunSignalHandlers() (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x1f3b3c4) #2 0x000055b62a43e533 SignalHandler(int) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x1f3b533) #3 0x00007f0bb92d98a0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x128a0) #4 0x000055b629ce8dbc llvm::CallInst::init(llvm::FunctionType*, llvm::Value*, llvm::ArrayRef<llvm::Value*>, llvm::ArrayRef<llvm::OperandBundleDefT<llvm::Value*> >, llvm::Twine const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x17e5dbc) #5 0x000055b629cc48c2 llvm::IRBuilderBase::CreateCall(llvm::FunctionType*, llvm::Value*, llvm::ArrayRef<llvm::Value*>, llvm::ArrayRef<llvm::OperandBundleDefT<llvm::Value*> >, llvm::Twine const&, llvm::MDNode*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x17c18c2) #6 0x000055b62a95d7e1 clang::CodeGen::CodeGenFunction::EmitRuntimeCall(llvm::FunctionCallee, llvm::ArrayRef<llvm::Value*>, llvm::Twine const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x245a7e1) #7 0x000055b62aa7756b void clang::CodeGen::RegionCodeGenTy::CallbackFn<clang::CodeGen::CGOpenMPRuntime::emitTargetDataStandAloneCall(clang::CodeGen::CodeGenFunction&, clang::OMPExecutableDirective const&, clang::Expr const*, clang::Expr const*)::'lambda'(clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&)>(long, clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x257456b) #8 0x000055b62aa735b0 clang::CodeGen::RegionCodeGenTy::operator()(clang::CodeGen::CodeGenFunction&) const (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25705b0) #9 0x000055b62a74bd59 clang::CodeGen::CodeGenFunction::EmitOMPTargetTaskBasedDirective(clang::OMPExecutableDirective const&, clang::CodeGen::RegionCodeGenTy const&, clang::CodeGen::CodeGenFunction::OMPTargetDataInfo&)::'lambda3'(clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&)::operator()(clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&) const (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2248d59) #10 0x000055b62aa7361f clang::CodeGen::RegionCodeGenTy::operator()(clang::CodeGen::CodeGenFunction&) const (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x257061f) #11 0x000055b62aa738af (anonymous namespace)::CGOpenMPRegionInfo::EmitBody(clang::CodeGen::CodeGenFunction&, clang::Stmt const*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25708af) #12 0x000055b62a72f42e clang::CodeGen::CodeGenFunction::GenerateCapturedStmtFunction(clang::CapturedStmt const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x222c42e) #13 0x000055b62aab4708 clang::CodeGen::CGOpenMPRuntime::emitTaskOutlinedFunction(clang::OMPExecutableDirective const&, clang::VarDecl const*, clang::VarDecl const*, clang::VarDecl const*, llvm::omp::Directive, clang::CodeGen::RegionCodeGenTy const&, bool, unsigned int&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25b1708) #14 0x000055b62a74d469 clang::CodeGen::CodeGenFunction::EmitOMPTargetTaskBasedDirective(clang::OMPExecutableDirective const&, clang::CodeGen::RegionCodeGenTy const&, clang::CodeGen::CodeGenFunction::OMPTargetDataInfo&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x224a469) #15 0x000055b62aac0c70 clang::CodeGen::CGOpenMPRuntime::emitTargetDataStandAloneCall(clang::CodeGen::CodeGenFunction&, clang::OMPExecutableDirective const&, clang::Expr const*, clang::Expr const*)::'lambda0'(clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&)::operator()(clang::CodeGen::CodeGenFunction&, clang::CodeGen::PrePostActionTy&) const (.isra.2413) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25bdc70) #16 0x000055b62aa735b0 clang::CodeGen::RegionCodeGenTy::operator()(clang::CodeGen::CodeGenFunction&) const (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25705b0) #17 0x000055b62aa745c8 clang::CodeGen::CGOpenMPRuntime::emitIfClause(clang::CodeGen::CodeGenFunction&, clang::Expr const*, clang::CodeGen::RegionCodeGenTy const&, clang::CodeGen::RegionCodeGenTy const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x25715c8) #18 0x000055b62aa74b1d clang::CodeGen::CGOpenMPRuntime::emitTargetDataStandAloneCall(clang::CodeGen::CodeGenFunction&, clang::OMPExecutableDirective const&, clang::Expr const*, clang::Expr const*) (.part.1404) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2571b1d) #19 0x000055b62a74c7db clang::CodeGen::CodeGenFunction::EmitOMPTargetExitDataDirective(clang::OMPTargetExitDataDirective const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x22497db) #20 0x000055b62a7301cd clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*, llvm::ArrayRef<clang::Attr const*>) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x222d1cd) #21 0x000055b62a73048c clang::CodeGen::CodeGenFunction::EmitCompoundStmtWithoutScope(clang::CompoundStmt const&, bool, clang::CodeGen::AggValueSlot) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x222d48c) #22 0x000055b62a77bccb clang::CodeGen::CodeGenFunction::EmitFunctionBody(clang::Stmt const*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2278ccb) #23 0x000055b62a78bffd clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl, llvm::Function*, clang::CodeGen::CGFunctionInfo const&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2288ffd) #24 0x000055b62a7d5723 clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x22d2723) #25 0x000055b62a7d30c5 clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl, llvm::GlobalValue*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x22d00c5) #26 0x000055b62a7da877 clang::CodeGen::CodeGenModule::EmitDeferred() (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x22d7877) #27 0x000055b62a7dad6c clang::CodeGen::CodeGenModule::Release() (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x22d7d6c) #28 0x000055b62b2c3737 (anonymous namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2dc0737) #29 0x000055b62b2c1f35 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2dbef35) #30 0x000055b62bf051e9 clang::ParseAST(clang::Sema&, bool, bool) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x3a021e9) #31 0x000055b62b2c0e90 clang::CodeGenAction::ExecuteAction() (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2dbde90) #32 0x000055b62ac95729 clang::FrontendAction::Execute() (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x2792729) #33 0x000055b62ac4f75a clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x274c75a) #34 0x000055b62ad5fc26 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0x285cc26) #35 0x000055b629189d7c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0xc86d7c) #36 0x000055b629184879 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0xc81879) #37 0x000055b6290ff094 main (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0xbfc094) #38 0x00007f0bb7f6db97 __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:344:0 #39 0x000055b6291843da _start (/home/shiltian/Documents/deploy/llvm/release/bin/clang-12+0xc813da) [1] 25935 segmentation fault (core dumped) clang -cc1 -DCK1 -verify -fopenmp -fopenmp-targets=powerpc64le-ibm-linux-gnu Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D89802/new/ https://reviews.llvm.org/D89802 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
