Target/PowerPC/PPCMIPeephole.cpp

1611     MachineBasicBlock *MBB1 = nullptr, *MBBtoMoveCmp = nullptr;
1613     // For fully redundant case, we select two basic blocks MBB1 and MBB2
1616     // - MBB1 is the only predecessor of MBB2, and
1629     //   | MBB1 | (w/ 2 succ)       | MBBtoMoveCmp |  | MBB1 | (w/ 2 succ)
1640     if (!eligibleForCompareElimination(MBB2, MBB1, MBBtoMoveCmp, MRI))
1643     MachineInstr *BI1   = &*MBB1->getFirstInstrTerminator();
1695                                          MBB1, &MBB2, MRI);
1697                                          MBB1, &MBB2, MRI);
1719                                          MBB1, &MBB2, MRI);
1838         .addReg(BI1->getOperand(1).getReg()).addMBB(MBB1)