Cross Reference: /external/llvm/lib/CodeGen/RegisterCoalescer.cpp

Lines Matching refs:DefMI
644   MachineInstr *DefMI = LIS->getInstructionFromIndex(AValNo->def);
645   if (!DefMI)
647   if (!DefMI->isCommutable())
649   // If DefMI is a two-address instruction then commuting it will change the
651   int DefIdx = DefMI->findRegisterDefOperandIdx(IntA.reg);
654   if (!DefMI->isRegTiedToUseOperand(DefIdx, &UseOpIdx))
657   if (!TII->findCommutedOpIndices(DefMI, Op1, Op2))
666   MachineOperand &NewDstMO = DefMI->getOperand(NewDstIdx);
691                << *DefMI);
695   MachineBasicBlock *MBB = DefMI->getParent();
696   MachineInstr *NewMI = TII->commuteInstruction(DefMI);
703   if (NewMI != DefMI) {
704     LIS->ReplaceMachineInstrInMaps(DefMI, NewMI);
705     MachineBasicBlock::iterator Pos = DefMI;
707     MBB->erase(DefMI);
871   MachineInstr *DefMI = LIS->getInstructionFromIndex(ValNo->def);
872   if (!DefMI)
874   if (DefMI->isCopyLike()) {
878   if (!TII->isAsCheapAsAMove(DefMI))
880   if (!TII->isTriviallyReMaterializable(DefMI, AA))
882   if (!definesFullReg(*DefMI, SrcReg))
885   if (!DefMI->isSafeToMove(TII, AA, SawStore))
887   const MCInstrDesc &MCID = DefMI->getDesc();
905   if (!DefMI->isImplicitDef()) {
910                                               DefMI->getOperand(0).getSubReg());
929   TII->reMaterialize(*MBB, MII, DstReg, SrcIdx, DefMI, *TRI);
1688   /// Compute the bitmask of lanes actually written by DefMI.
1691   unsigned computeWriteLanes(const MachineInstr *DefMI, bool &Redef) const;
1787 unsigned JoinVals::computeWriteLanes(const MachineInstr *DefMI, bool &Redef)
1790   for (ConstMIOperands MO(DefMI); MO.isValid(); ++MO) {
1872   const MachineInstr *DefMI = nullptr;
1878     DefMI = Indexes->getInstructionFromIndex(VNI->def);
1879     assert(DefMI != nullptr);
1883       if (DefMI->isImplicitDef()) {
1889       V.ValidLanes = V.WriteLanes = computeWriteLanes(DefMI, Redef);
1893       // This only covers partial redef operands. DefMI may have normal use
1917       if (DefMI->isImplicitDef()) {
1984   if (OtherV.ErasableImplicitDef && DefMI &&
1985       DefMI->getParent() != Indexes->getMBBFromIndex(V.OtherVNI->def)) {
1987                  << " extends into BB#" << DefMI->getParent()->getNumber()
1998   if (DefMI->isImplicitDef()) {
2007   // Include the non-conflict where DefMI is a coalescable copy that kills
2009   if (CP.isCoalescable(DefMI)) {
2016   // This may not be a real conflict if DefMI simply kills Other and defines
2026   if (DefMI->isFullCopy() && !CP.isPartial()
2045   // If the other live range is killed by DefMI and the live ranges are still