Lines Matching defs:DestBB

118   BasicBlock *DestBB = TI->getSuccessor(SuccNum);
122   if (DestBB->isEHPad()) return nullptr;
125       isa<UnreachableInst>(DestBB->getFirstNonPHIOrDbgOrLifetime()))
138       // DestBB *and* the only edge into DestBB from outside of TIL is that of
141       // second isn't true, then DestBB was not in LoopSimplify form prior to
145       for (BasicBlock *P : predecessors(DestBB)) {
173                                                      DestBB->getName() +
176   BranchInst *NewBI = BranchInst::Create(DestBB, NewBB);
187   // If there are any PHI nodes in DestBB, we need to update them so that they
191     for (BasicBlock::iterator I = DestBB->begin(); isa<PHINode>(I); ++I) {
208   // If there are any other edges from TIBB to DestBB, update those to go
210   // reducing the number of phi entries in the DestBB if relevant).
213       if (TI->getSuccessor(i) != DestBB) continue;
215       // Remove an entry for TIBB from DestBB phi nodes.
216       DestBB->removePredecessor(TIBB, Options.KeepOneInputPHIs);
218       // We found another edge to DestBB, go to NewBB instead.
229         DestBB, NewBB, {TIBB}, Options.MergeIdenticalEdges);
238     //  TIBB -------\\------> DestBB
240     // First, inform the DT about the new path from TIBB to DestBB via NewBB,
241     // then delete the old edge from TIBB to DestBB. By doing this in that order
242     // DestBB stays reachable in the DT the whole time and its subtree doesn't
246     Updates.push_back({DominatorTree::Insert, NewBB, DestBB});
247     if (!llvm::is_contained(successors(TIBB), DestBB))
248       Updates.push_back({DominatorTree::Delete, TIBB, DestBB});
261       if (Loop *DestLoop = LI->getLoopFor(DestBB)) {
276           assert(DestLoop->getHeader() == DestBB &&
283       // If TIBB is in a loop and DestBB is outside of that loop, we may need
285       if (!TIL->contains(DestBB)) {
291           createPHIsForSplitLoopExit(TIBB, NewBB, DestBB);
295           assert(!DestBB->isEHPad() && "We don't split edges to EH pads!");
297               DestBB, LoopPreds, "split", DT, LI, MSSAU, Options.PreserveLCSSA);
299             createPHIsForSplitLoopExit(LoopPreds, NewExitBB, DestBB);