lib/CodeGen/MachineBasicBlock.cpp

574 void MachineBasicBlock::transferSuccessors(MachineBasicBlock *fromMBB) {
575   if (this == fromMBB)
578   while (!fromMBB->succ_empty()) {
579     MachineBasicBlock *Succ = *fromMBB->succ_begin();
583     if (!fromMBB->Weights.empty())
584       Weight = *fromMBB->Weights.begin();
587     fromMBB->removeSuccessor(Succ);
592 MachineBasicBlock::transferSuccessorsAndUpdatePHIs(MachineBasicBlock *fromMBB) {
593   if (this == fromMBB)
596   while (!fromMBB->succ_empty()) {
597     MachineBasicBlock *Succ = *fromMBB->succ_begin();
599     if (!fromMBB->Weights.empty())
600       Weight = *fromMBB->Weights.begin();
602     fromMBB->removeSuccessor(Succ);
609         if (MO.getMBB() == fromMBB)