Ejemplo n.º 1
0
void BackendConsumer::EmitOptimizationMessage(
    const llvm::DiagnosticInfoOptimizationBase &D, unsigned DiagID) {
  // We only support warnings and remarks.
  assert(D.getSeverity() == llvm::DS_Remark ||
         D.getSeverity() == llvm::DS_Warning);

  StringRef Filename;
  unsigned Line, Column;
  bool BadDebugInfo = false;
  FullSourceLoc Loc = getBestLocationFromDebugLoc(D, BadDebugInfo, Filename,
      Line, Column);

  std::string Msg;
  raw_string_ostream MsgStream(Msg);
  MsgStream << D.getMsg();

  if (D.getHotness())
    MsgStream << " (hotness: " << *D.getHotness() << ")";

  Diags.Report(Loc, DiagID)
      << AddFlagValue(D.getPassName())
      << MsgStream.str();

  if (BadDebugInfo)
    // If we were not able to translate the file:line:col information
    // back to a SourceLocation, at least emit a note stating that
    // we could not translate this location. This can happen in the
    // case of #line directives.
    Diags.Report(Loc, diag::note_fe_backend_invalid_loc)
        << Filename << Line << Column;
}
Ejemplo n.º 2
0
void BackendConsumer::EmitOptimizationMessage(
    const llvm::DiagnosticInfoOptimizationBase &D, unsigned DiagID) {
  // We only support warnings and remarks.
  assert(D.getSeverity() == llvm::DS_Remark ||
         D.getSeverity() == llvm::DS_Warning);

  SourceManager &SourceMgr = Context->getSourceManager();
  FileManager &FileMgr = SourceMgr.getFileManager();
  StringRef Filename;
  unsigned Line, Column;
  SourceLocation DILoc;

  if (D.isLocationAvailable()) {
    D.getLocation(&Filename, &Line, &Column);
    const FileEntry *FE = FileMgr.getFile(Filename);
    if (FE && Line > 0) {
      // If -gcolumn-info was not used, Column will be 0. This upsets the
      // source manager, so pass 1 if Column is not set.
      DILoc = SourceMgr.translateFileLineCol(FE, Line, Column ? Column : 1);
    }
  }

  // If a location isn't available, try to approximate it using the associated
  // function definition. We use the definition's right brace to differentiate
  // from diagnostics that genuinely relate to the function itself.
  FullSourceLoc Loc(DILoc, SourceMgr);
  if (Loc.isInvalid())
    if (const Decl *FD = Gen->GetDeclForMangledName(D.getFunction().getName()))
      Loc = FD->getASTContext().getFullLoc(FD->getBodyRBrace());

  Diags.Report(Loc, DiagID)
      << AddFlagValue(D.getPassName() ? D.getPassName() : "")
      << D.getMsg().str();

  if (DILoc.isInvalid() && D.isLocationAvailable())
    // If we were not able to translate the file:line:col information
    // back to a SourceLocation, at least emit a note stating that
    // we could not translate this location. This can happen in the
    // case of #line directives.
    Diags.Report(Loc, diag::note_fe_backend_optimization_remark_invalid_loc)
        << Filename << Line << Column;
}