Lines Matching defs:CSMI

112   bool PhysRegDefsReach(MachineInstr *CSMI, MachineInstr *MI,
336 bool MachineCSEImpl::PhysRegDefsReach(MachineInstr *CSMI, MachineInstr *MI,
344   const MachineBasicBlock *CSMBB = CSMI->getParent();
360   MachineBasicBlock::const_iterator I = CSMI; I = std::next(I);
590         MachineInstr *CSMI = Exps[CSVN];
591         if (PhysRegDefsReach(CSMI, &MI, PhysRefs, PhysDefs, CrossMBBPhysDef))
604     MachineInstr *CSMI = Exps[CSVN];
606     LLVM_DEBUG(dbgs() << "*** Found a common subexpression: " << *CSMI);
617     if (MI.isConvergent() && MI.getParent() != CSMI->getParent()) {
634       Register NewReg = CSMI->getOperand(i).getReg();
636       // Go through implicit defs of CSMI and MI, if a def is not dead at MI,
637       // we should make sure it is not dead at CSMI.
638       if (MO.isImplicit() && !MO.isDead() && CSMI->getOperand(i).isDead())
641       // Keep track of implicit defs of CSMI and MI, to clear possibly
654       if (!isProfitableToCSE(NewReg, OldReg, CSMI->getParent(), &MI)) {
688       // Go through implicit defs of CSMI and MI, if a def is not dead at MI,
689       // we should make sure it is not dead at CSMI.
691         CSMI->getOperand(ImplicitDefToUpdate).setIsDead(false);
694           CSMI->getOperand(PhysDef.first).setIsDead(false);
696       // Go through implicit defs of CSMI and MI, and clear the kill flags on
697       // their uses in all the instructions between CSMI and MI.
699       //   subs  ... implicit-def %nzcv    <- CSMI
703       // Since we eliminated MI, and reused a register imp-def'd by CSMI
706       if (CSMI->getParent() == MI.getParent()) {
707         for (MachineBasicBlock::iterator II = CSMI, IE = &MI; II != IE; ++II)