416     bool isDeadCodeRoot(const CFGBlock *Block);
418     const Stmt *findDeadCode(const CFGBlock *Block);
434 bool DeadCodeScan::isDeadCodeRoot(const clang::CFGBlock *Block) {  in isDeadCodeRoot()  argument
437   for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in isDeadCodeRoot()
438        E = Block->pred_end(); I != E; ++I) {  in isDeadCodeRoot()
459 static bool isInCoroutineStmt(const Stmt *DeadStmt, const CFGBlock *Block) {  in isInCoroutineStmt()  argument
464   for (CFGBlock::const_iterator I = Block->begin(), E = Block->end(); I != E;  in isInCoroutineStmt()
496 static bool isValidDeadStmt(const Stmt *S, const clang::CFGBlock *Block) {  in isValidDeadStmt()  argument
504   return !isInCoroutineStmt(S, Block);  in isValidDeadStmt()
507 const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {  in findDeadCode()  argument
508   for (CFGBlock::const_iterator I = Block->begin(), E = Block->end(); I!=E; ++I)  in findDeadCode()
511       if (isValidDeadStmt(S, Block))  in findDeadCode()
515   CFGTerminator T = Block->getTerminator();  in findDeadCode()
518     if (S && isValidDeadStmt(S, Block))  in findDeadCode()
541     const CFGBlock *Block = WorkList.pop_back_val();  in scanBackwards()  local
545     if (Reachable[Block->getBlockID()])  in scanBackwards()
549     const Stmt *S = findDeadCode(Block);  in scanBackwards()
553       for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in scanBackwards()
554            E = Block->pred_end(); I != E; ++I) {  in scanBackwards()
563       count += scanMaybeReachableFromBlock(Block, PP, Reachable);  in scanBackwards()
567     if (isDeadCodeRoot(Block)) {  in scanBackwards()
568       reportDeadCode(Block, S, CB);  in scanBackwards()
569       count += scanMaybeReachableFromBlock(Block, PP, Reachable);  in scanBackwards()
575       DeferredLocs.push_back(std::make_pair(Block, S));  in scanBackwards()
584       const CFGBlock *Block = I.first;  in scanBackwards()  local
585       if (Reachable[Block->getBlockID()])  in scanBackwards()
587       reportDeadCode(Block, I.second, CB);  in scanBackwards()
588       count += scanMaybeReachableFromBlock(Block, PP, Reachable);  in scanBackwards()