51 static bool isTrivialDoWhile(const CFGBlock *B, const Stmt *S) {  in isTrivialDoWhile()
71 static bool isBuiltinAssumeFalse(const CFGBlock *B, const Stmt *S,  in isBuiltinAssumeFalse()
86 static bool isDeadReturn(const CFGBlock *B, const Stmt *S) {  in isDeadReturn()
90   const CFGBlock *Current = B;  in isDeadReturn()
295 static bool shouldTreatSuccessorsAsReachable(const CFGBlock *B,  in shouldTreatSuccessorsAsReachable()
316 static unsigned scanFromBlock(const CFGBlock *Start,  in scanFromBlock()
323   SmallVector<const CFGBlock*, 32> WL;  in scanFromBlock()
336     const CFGBlock *item = WL.pop_back_val();  in scanFromBlock()
348     for (CFGBlock::const_succ_iterator I = item->succ_begin(),  in scanFromBlock()
350       const CFGBlock *B = *I;  in scanFromBlock()
352         const CFGBlock *UB = I->getPossiblyUnreachableBlock();  in scanFromBlock()
382 static unsigned scanMaybeReachableFromBlock(const CFGBlock *Start,  in scanMaybeReachableFromBlock()
396     SmallVector<const CFGBlock *, 10> WorkList;
400     typedef SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
411     void enqueue(const CFGBlock *block);
412     unsigned scanBackwards(const CFGBlock *Start,
415     bool isDeadCodeRoot(const CFGBlock *Block);
417     const Stmt *findDeadCode(const CFGBlock *Block);
419     void reportDeadCode(const CFGBlock *B,
425 void DeadCodeScan::enqueue(const CFGBlock *block) {  in enqueue()
433 bool DeadCodeScan::isDeadCodeRoot(const clang::CFGBlock *Block) {  in isDeadCodeRoot()
436   for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in isDeadCodeRoot()
438     if (const CFGBlock *PredBlock = *I) {  in isDeadCodeRoot()
464 const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {  in findDeadCode()
465   for (CFGBlock::const_iterator I = Block->begin(), E = Block->end(); I!=E; ++I)  in findDeadCode()
482 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,  in SrcCmp()  argument
483                   const std::pair<const CFGBlock *, const Stmt *> *p2) {  in SrcCmp()
491 unsigned DeadCodeScan::scanBackwards(const clang::CFGBlock *Start,  in scanBackwards()
498     const CFGBlock *Block = WorkList.pop_back_val();  in scanBackwards()
510       for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in scanBackwards()
512         if (const CFGBlock *predBlock = *I)  in scanBackwards()
541       const CFGBlock *Block = I.first;  in scanBackwards()
617 void DeadCodeScan::reportDeadCode(const CFGBlock *B,  in reportDeadCode()
662     CFGBlock::const_pred_iterator PI = B->pred_begin();  in reportDeadCode()
664       if (const CFGBlock *PredBlock = PI->getPossiblyUnreachableBlock()) {  in reportDeadCode()
685 unsigned ScanReachableFromBlock(const CFGBlock *Start,  in ScanReachableFromBlock()
708     for (const CFGBlock *B : cfg->try_blocks())  in FindUnreachableCode()
716   for (const CFGBlock *block : *cfg) {  in FindUnreachableCode()