[PATCH] D123235: [OpenMP] atomic compare fail : Parser & AST support

Wed May 25 08:19:17 PDT 2022

kda added a comment.

This has broken sanitizer buildbot:
https://lab.llvm.org/buildbot/#/builders/5/builds/24074

Relevant log snippet:

  FAIL: Clang :: OpenMP/atomic_messages.cpp (9696 of 66080)
  ******************** TEST 'Clang :: OpenMP/atomic_messages.cpp' FAILED ********************
  Script:
  --
  : 'RUN: at line 1';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  : 'RUN: at line 2';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -verify=expected,omp50 -fopenmp -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  : 'RUN: at line 3';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -DOMP51 -verify=expected,omp50,omp51 -fopenmp -fopenmp-version=51 -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  : 'RUN: at line 5';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  : 'RUN: at line 6';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  : 'RUN: at line 7';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include -nostdsysteminc -DOMP51 -verify=expected,omp50,omp51 -fopenmp-simd -fopenmp-version=51 -ferror-limit 150 /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp -Wuninitialized
  --
  Exit Code: 1
  Command Output (stderr):
  --
  ==75693==WARNING: MemorySanitizer: use-of-uninitialized-value
      #0 0x561f8672eb0e in (anonymous namespace)::OpenMPAtomicFailChecker::checkSubClause(llvm::ArrayRef<clang::OMPClause*>, clang::SourceLocation*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12060:11
      #1 0x561f866ef4bc in clang::Sema::ActOnOpenMPAtomicDirective(llvm::ArrayRef<clang::OMPClause*>, clang::Stmt*, clang::SourceLocation, clang::SourceLocation) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12634:22
      #2 0x561f866c0775 in clang::Sema::ActOnOpenMPExecutableDirective(llvm::omp::Directive, clang::DeclarationNameInfo const&, llvm::omp::Directive, llvm::ArrayRef<clang::OMPClause*>, clang::Stmt*, clang::SourceLocation, clang::SourceLocation) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:6168:11
      #3 0x561f856da291 in clang::Parser::ParseOpenMPDeclarativeOrExecutableDirective(clang::Parser::ParsedStmtContext, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseOpenMP.cpp:2922:25
      #4 0x561f8553b46f in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributes&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:413:12
      #5 0x561f85537f27 in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:113:20
      #6 0x561f85551be1 in clang::Parser::ParseCompoundStatementBody(bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:1111:11
      #7 0x561f85554cfd in clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:2379:21
      #8 0x561f854cfa8e in clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1407:10
      #9 0x561f855bbc3e in clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:2097:27
      #10 0x561f854cb272 in clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&, clang::ParsingDeclSpec&, clang::AccessSpecifier) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1158:10
      #11 0x561f854ca0b6 in clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::ParsingDeclSpec*, clang::AccessSpecifier) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1172:12
      #12 0x561f854c754a in clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsingDeclSpec*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:998:12
      #13 0x561f854c0c9a in clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, clang::Sema::ModuleImportState&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:727:12
      #14 0x561f854ae252 in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseAST.cpp:162:20
      #15 0x561f8203140d in clang::FrontendAction::Execute() /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1032:8
      #16 0x561f81e8da47 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1036:33
      #17 0x561f82278528 in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25
      #18 0x561f79792507 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/cc1_main.cpp:248:15
      #19 0x561f7978b484 in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:317:12
      #20 0x561f7978a434 in main /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:388:12
      #21 0x7fada460f09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId: eb6a5dd378d22b1e695984462a799cd4c81cdc22)
      #22 0x561f796fa6d9 in _start (/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang-15+0x480d6d9)
  SUMMARY: MemorySanitizer: use-of-uninitialized-value /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12060:11 in (anonymous namespace)::OpenMPAtomicFailChecker::checkSubClause(llvm::ArrayRef<clang::OMPClause*>, clang::SourceLocation*)
  Exiting
  --
  ********************
  Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
  ********************
  Failed Tests (1):
    Clang :: OpenMP/atomic_messages.cpp

Repository:
  rG LLVM Github Monorepo

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