Lines Matching defs:PredBB

783   BasicBlock *PredBB = DestBB->getSinglePredecessor();
784   assert(PredBB && "Block doesn't have a single predecessor!");
786   bool ReplaceEntryBB = PredBB->isEntryBlock();
789   // PredBB. These dominator edges will be redirected to DestBB.
795     Updates.reserve(Updates.size() + 2 * pred_size(PredBB) + 1);
796     for (BasicBlock *PredOfPredBB : predecessors(PredBB))
797       // This predecessor of PredBB may already have DestBB as a successor.
798       if (PredOfPredBB != PredBB)
802     for (BasicBlock *PredOfPredBB : predecessors(PredBB))
804         Updates.push_back({DominatorTree::Delete, PredOfPredBB, PredBB});
805     Updates.push_back({DominatorTree::Delete, PredBB, DestBB});
819   // Anything that branched to PredBB now branches to DestBB.
820   PredBB->replaceAllUsesWith(DestBB);
822   // Splice all the instructions from PredBB to DestBB.
823   PredBB->getTerminator()->eraseFromParent();
824   DestBB->splice(DestBB->begin(), PredBB);
825   new UnreachableInst(PredBB->getContext(), PredBB);
827   // If the PredBB is the entry block of the function, move DestBB up to
828   // become the entry block after we erase PredBB.
830     DestBB->moveAfter(PredBB);
833     assert(PredBB->size() == 1 &&
834            isa<UnreachableInst>(PredBB->getTerminator()) &&
835            "The successor list of PredBB isn't empty before "
838     DTU->deleteBB(PredBB);
850     PredBB->eraseFromParent(); // Nuke BB if DTU is nullptr.
1087       BasicBlock *PredBB = OldValPN->getIncomingBlock(i);
1089       if (PredBB == CommonPred)
1094           selectIncomingValueForBlock(PredVal, PredBB, IncomingValues);
1098       PN->addIncoming(Selected, PredBB);
1104     for (BasicBlock *PredBB : BBPreds) {
1107       if (PredBB == CommonPred)
1111           selectIncomingValueForBlock(OldVal, PredBB, IncomingValues);
1115       PN->addIncoming(Selected, PredBB);