50 static bool isTrivialDoWhile(const CFGBlock *B, const Stmt *S) {  in isTrivialDoWhile()
70 static bool isBuiltinAssumeFalse(const CFGBlock *B, const Stmt *S,  in isBuiltinAssumeFalse()
85 static bool isDeadReturn(const CFGBlock *B, const Stmt *S) {  in isDeadReturn()
89   const CFGBlock *Current = B;  in isDeadReturn()
294 static bool shouldTreatSuccessorsAsReachable(const CFGBlock *B,  in shouldTreatSuccessorsAsReachable()
315 static unsigned scanFromBlock(const CFGBlock *Start,  in scanFromBlock()
322   SmallVector<const CFGBlock*, 32> WL;  in scanFromBlock()
335     const CFGBlock *item = WL.pop_back_val();  in scanFromBlock()
347     for (CFGBlock::const_succ_iterator I = item->succ_begin(),  in scanFromBlock()
349       const CFGBlock *B = *I;  in scanFromBlock()
351         const CFGBlock *UB = I->getPossiblyUnreachableBlock();  in scanFromBlock()
381 static unsigned scanMaybeReachableFromBlock(const CFGBlock *Start,  in scanMaybeReachableFromBlock()
395     SmallVector<const CFGBlock *, 10> WorkList;
399     typedef SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
410     void enqueue(const CFGBlock *block);
411     unsigned scanBackwards(const CFGBlock *Start,
414     bool isDeadCodeRoot(const CFGBlock *Block);
416     const Stmt *findDeadCode(const CFGBlock *Block);
418     void reportDeadCode(const CFGBlock *B,
424 void DeadCodeScan::enqueue(const CFGBlock *block) {  in enqueue()
432 bool DeadCodeScan::isDeadCodeRoot(const clang::CFGBlock *Block) {  in isDeadCodeRoot()
435   for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in isDeadCodeRoot()
437     if (const CFGBlock *PredBlock = *I) {  in isDeadCodeRoot()
463 const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {  in findDeadCode()
464   for (CFGBlock::const_iterator I = Block->begin(), E = Block->end(); I!=E; ++I)  in findDeadCode()
481 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,  in SrcCmp()  argument
482                   const std::pair<const CFGBlock *, const Stmt *> *p2) {  in SrcCmp()
490 unsigned DeadCodeScan::scanBackwards(const clang::CFGBlock *Start,  in scanBackwards()
497     const CFGBlock *Block = WorkList.pop_back_val();  in scanBackwards()
509       for (CFGBlock::const_pred_iterator I = Block->pred_begin(),  in scanBackwards()
511         if (const CFGBlock *predBlock = *I)  in scanBackwards()
540       const CFGBlock *Block = I.first;  in scanBackwards()
616 void DeadCodeScan::reportDeadCode(const CFGBlock *B,  in reportDeadCode()
656     CFGBlock::const_pred_iterator PI = B->pred_begin();  in reportDeadCode()
658       if (const CFGBlock *PredBlock = PI->getPossiblyUnreachableBlock()) {  in reportDeadCode()
679 unsigned ScanReachableFromBlock(const CFGBlock *Start,  in ScanReachableFromBlock()
702     for (const CFGBlock *B : cfg->try_blocks())  in FindUnreachableCode()
710   for (const CFGBlock *block : *cfg) {  in FindUnreachableCode()