325   void removeSuccessor(MachineBasicBlock *MBB);
1370   DstMBB->removeSuccessor(SrcMBB, true);  in mergeSerialBlock()
1373   removeSuccessor(SrcMBB);  in mergeSerialBlock()
1409     MBB->removeSuccessor(TrueMBB, true);  in mergeIfthenelseBlock()
1411       TrueMBB->removeSuccessor(LandMBB, true);  in mergeIfthenelseBlock()
1420     MBB->removeSuccessor(FalseMBB, true);  in mergeIfthenelseBlock()
1422       FalseMBB->removeSuccessor(LandMBB, true);  in mergeIfthenelseBlock()
1462   ExitingMBB->removeSuccessor(LandMBB, true);  in mergeLoopbreakBlock()
1623   MBB->removeSuccessor(MBB1, true);  in removeRedundantConditionalBranch()
1645 void AMDGPUCFGStructurizer::removeSuccessor(MachineBasicBlock *MBB) {  in removeSuccessor()  function in AMDGPUCFGStructurizer
1647     MBB->removeSuccessor(*MBB->succ_begin());  in removeSuccessor()