Target/SystemZ/SystemZElimCompare.cpp

210   MachineInstr *Branch = CCUsers[0];
211   if (Branch->getOpcode() != SystemZ::BRC ||
212       Branch->getOperand(0).getImm() != SystemZ::CCMASK_ICMP ||
213       Branch->getOperand(1).getImm() != SystemZ::CCMASK_CMP_NE)
218   // Compare and Branch.
220   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;
225   // The transformation is OK.  Rebuild Branch as a BRCT(G) or BRCTH.
226   MachineOperand Target(Branch->getOperand(2));
227   while (Branch->getNumOperands())
228     Branch->RemoveOperand(0);
229   Branch->setDesc(TII->get(BRCT));
230   MachineInstrBuilder MIB(*Branch->getParent()->getParent(), Branch);
254   MachineInstr *Branch = CCUsers[0];
255   if (Branch->getOpcode() != SystemZ::CondTrap ||
256       Branch->getOperand(0).getImm() != SystemZ::CCMASK_ICMP ||
257       Branch->getOperand(1).getImm() != SystemZ::CCMASK_CMP_EQ)
262   // Compare and Branch.
264   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;
269   // The transformation is OK.  Rebuild Branch as a load-and-trap.
270   while (Branch->getNumOperands())
271     Branch->RemoveOperand(0);
272   Branch->setDesc(TII->get(LATOpcode));
273   MachineInstrBuilder(*Branch->getParent()->getParent(), Branch)
601   MachineInstr *Branch = CCUsers[0];
603   switch (Branch->getOpcode()) {
633   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;
653   Branch->RemoveOperand(CCUse);
657     Branch->RemoveOperand(2);
658   Branch->RemoveOperand(1);
659   Branch->RemoveOperand(0);
661   // Rebuild Branch as a fused compare and branch.
667   Branch->setDesc(TII->get(FusedOpcode));
668   MachineInstrBuilder MIB(*Branch->getParent()->getParent(), Branch);