Lines Matching defs:reachable

10 // determining reachable blocks within a CFG.
128         // well be reachable via a different control flow, thus it's not dead.
326   // The entry block may have already been marked reachable
335   // Find the reachable blocks from 'Start'.
339     // There are cases where we want to treat all successors as reachable.
344     // Look at the successors and mark then reachable.
407     DeadCodeScan(llvm::BitVector &reachable, Preprocessor &PP, ASTContext &C)
408     : Visited(reachable.size()),
409       Reachable(reachable),
543     // It is possible that this block has been marked reachable after
740   // Scan for reachable blocks from the entrance of the CFG.
742   llvm::BitVector reachable(cfg->getNumBlockIDs());
744     scanMaybeReachableFromBlock(&cfg->getEntry(), PP, reachable);
752       numReachable += scanMaybeReachableFromBlock(B, PP, reachable);
760     // A block may have been marked reachable during this loop.
761     if (reachable[block->getBlockID()])
764     DeadCodeScan DS(reachable, PP, AC.getASTContext());