49 static bool isTrivialDoWhile(const CFGBlock *B, const Stmt *S) {  in isTrivialDoWhile()
69 static bool isBuiltinAssumeFalse(const CFGBlock *B, const Stmt *S,  in isBuiltinAssumeFalse()
84 static bool isDeadReturn(const CFGBlock *B, const Stmt *S) {  in isDeadReturn()
88   const CFGBlock *Current = B;  in isDeadReturn()
293 static bool shouldTreatSuccessorsAsReachable(const CFGBlock *B,  in shouldTreatSuccessorsAsReachable()
308 static unsigned scanFromBlock(const CFGBlock *Start,  in scanFromBlock()
315   SmallVector<const CFGBlock*, 32> WL;  in scanFromBlock()
328     const CFGBlock *item = WL.pop_back_val();  in scanFromBlock()
340     for (CFGBlock::const_succ_iterator I = item->succ_begin(),  in scanFromBlock()
342       const CFGBlock *B = *I;  in scanFromBlock()
344         const CFGBlock *UB = I->getPossiblyUnreachableBlock();  in scanFromBlock()
374 static unsigned scanMaybeReachableFromBlock(const CFGBlock *Start,  in scanMaybeReachableFromBlock()
388     SmallVector<const CFGBlock *, 10> WorkList;
392     typedef SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
403     void enqueue(const CFGBlock *block);
404     unsigned scanBackwards(const CFGBlock *Start,
407     bool isDeadCodeRoot(const CFGBlock *Block);
409     const Stmt *findDeadCode(const CFGBlock *Block);
411     void reportDeadCode(const CFGBlock *B,
417 void DeadCodeScan::enqueue(const CFGBlock *block) {  in enqueue()
425 bool DeadCodeScan::isDeadCodeRoot(const clang::CFGBlock *Block) {  in isDeadCodeRoot()
428   for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in isDeadCodeRoot()
430     if (const CFGBlock *PredBlock = *I) {  in isDeadCodeRoot()
456 const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {  in findDeadCode()
457   for (CFGBlock::const_iterator I = Block->begin(), E = Block->end(); I!=E; ++I)  in findDeadCode()
474 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,  in SrcCmp()  argument
475                   const std::pair<const CFGBlock *, const Stmt *> *p2) {  in SrcCmp()
483 unsigned DeadCodeScan::scanBackwards(const clang::CFGBlock *Start,  in scanBackwards()
490     const CFGBlock *Block = WorkList.pop_back_val();  in scanBackwards()
502       for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in scanBackwards()
504         if (const CFGBlock *predBlock = *I)  in scanBackwards()
533       const CFGBlock *Block = I.first;  in scanBackwards()
609 void DeadCodeScan::reportDeadCode(const CFGBlock *B,  in reportDeadCode()
649     CFGBlock::const_pred_iterator PI = B->pred_begin();  in reportDeadCode()
651       if (const CFGBlock *PredBlock = PI->getPossiblyUnreachableBlock()) {  in reportDeadCode()
672 unsigned ScanReachableFromBlock(const CFGBlock *Start,  in ScanReachableFromBlock()
695     for (const CFGBlock *B : cfg->try_blocks())  in FindUnreachableCode()
703   for (const CFGBlock *block : *cfg) {  in FindUnreachableCode()