Target/SystemZ/SystemZElimCompare.cpp

183   MachineInstr *Branch = CCUsers[0];
184   if (Branch->getOpcode() != SystemZ::BRC ||
185       Branch->getOperand(0).getImm() != SystemZ::CCMASK_ICMP ||
186       Branch->getOperand(1).getImm() != SystemZ::CCMASK_CMP_NE)
191   // Compare and Branch.
193   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;
198   // The transformation is OK.  Rebuild Branch as a BRCT(G).
199   MachineOperand Target(Branch->getOperand(2));
200   Branch->RemoveOperand(2);
201   Branch->RemoveOperand(1);
202   Branch->RemoveOperand(0);
203   Branch->setDesc(TII->get(BRCT));
204   MachineInstrBuilder(*Branch->getParent()->getParent(), Branch)
377   MachineInstr *Branch = CCUsers[0];
378   if (Branch->getOpcode() != SystemZ::BRC)
385   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;
400   Branch->RemoveOperand(CCUse);
401   Branch->RemoveOperand(2);
402   Branch->RemoveOperand(1);
403   Branch->RemoveOperand(0);
405   // Rebuild Branch as a fused compare and branch.
406   Branch->setDesc(TII->get(FusedOpcode));
407   MachineInstrBuilder(*Branch->getParent()->getParent(), Branch)