52 static bool isTrivialDoWhile(const CFGBlock *B, const Stmt *S) {  in isTrivialDoWhile()
55   if (const Stmt *Term = B->getTerminatorStmt()) {  in isTrivialDoWhile()
64 static bool isBuiltinUnreachable(const Stmt *S) {  in isBuiltinUnreachable()
72 static bool isBuiltinAssumeFalse(const CFGBlock *B, const Stmt *S,  in isBuiltinAssumeFalse()
87 static bool isDeadReturn(const CFGBlock *B, const Stmt *S) {  in isDeadReturn()
150 static bool isExpandedFromConfigurationMacro(const Stmt *S,  in isExpandedFromConfigurationMacro()
189 static bool isConfigurationValue(const Stmt *S,  in isConfigurationValue()
215     case Stmt::CallExprClass: {  in isConfigurationValue()
220     case Stmt::DeclRefExprClass:  in isConfigurationValue()
222     case Stmt::ObjCBoolLiteralExprClass:  in isConfigurationValue()
225     case Stmt::CXXBoolLiteralExprClass:  in isConfigurationValue()
226     case Stmt::IntegerLiteralClass: {  in isConfigurationValue()
236     case Stmt::MemberExprClass:  in isConfigurationValue()
238     case Stmt::UnaryExprOrTypeTraitExprClass:  in isConfigurationValue()
240     case Stmt::BinaryOperatorClass: {  in isConfigurationValue()
251     case Stmt::UnaryOperatorClass: {  in isConfigurationValue()
298   if (const Stmt *Term = B->getTerminatorStmt()) {  in shouldTreatSuccessorsAsReachable()
313   const Stmt *Cond = B->getTerminatorCondition(/* stripParens */ false);  in shouldTreatSuccessorsAsReachable()
401     typedef SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
418     const Stmt *findDeadCode(const CFGBlock *Block);
421                         const Stmt *S,
459 static bool isInCoroutineStmt(const Stmt *DeadStmt, const CFGBlock *Block) {  in isInCoroutineStmt()
461   const Stmt *CoroStmt = nullptr;  in isInCoroutineStmt()
467       const Stmt *S = CS->getStmt();  in isInCoroutineStmt()
480     const Stmt *DeadStmt;  in isInCoroutineStmt()
482     Checker(const Stmt *S) : DeadStmt(S) {}  in isInCoroutineStmt()
483     bool VisitStmt(const Stmt *S) {  in isInCoroutineStmt()
492   checker.TraverseStmt(const_cast<Stmt *>(CoroStmt));  in isInCoroutineStmt()
496 static bool isValidDeadStmt(const Stmt *S, const clang::CFGBlock *Block) {  in isValidDeadStmt()
507 const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {  in findDeadCode()
510       const Stmt *S = CS->getStmt();  in findDeadCode()
517     const Stmt *S = T.getStmt();  in findDeadCode()
525 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,  in SrcCmp()
526                   const std::pair<const CFGBlock *, const Stmt *> *p2) {  in SrcCmp()
549     const Stmt *S = findDeadCode(Block);  in scanBackwards()
595 static SourceLocation GetUnreachableLoc(const Stmt *S,  in GetUnreachableLoc()
646     case Stmt::CXXTryStmtClass: {  in GetUnreachableLoc()
661                                   const Stmt *S,  in reportDeadCode()
686     if (const Stmt *LoopTarget = B->getLoopTarget()) {  in reportDeadCode()
708         const Stmt *TermCond =  in reportDeadCode()