317   const MachineInstr *DefI = Def->getParent();  in isSafeToMove()  local
319   assert(DefI->getParent() == Insert->getParent());  in isSafeToMove()
333   if (Def != DefI->defs().begin())  in isSafeToMove()
340   for (const auto &SubsequentDef : drop_begin(DefI->defs())) {  in isSafeToMove()
350   const MachineBasicBlock *MBB = DefI->getParent();  in isSafeToMove()
351   auto NextI = std::next(MachineBasicBlock::const_iterator(DefI));  in isSafeToMove()
359   if (WebAssembly::isCatch(DefI->getOpcode()))  in isSafeToMove()
364   for (const MachineOperand &MO : DefI->operands()) {  in isSafeToMove()
394   query(*DefI, AA, Read, Write, Effects, StackPointer);  in isSafeToMove()
403   MachineBasicBlock::const_iterator D(DefI), I(Insert);  in isSafeToMove()
847         MachineInstr *DefI = getVRegDef(Reg, Insert, MRI, LIS);  in runOnMachineFunction()  local
848         if (!DefI)  in runOnMachineFunction()
853         if (DefI->isInlineAsm())  in runOnMachineFunction()
858         if (WebAssembly::isArgument(DefI->getOpcode()))  in runOnMachineFunction()
861         MachineOperand *Def = DefI->findRegisterDefOperand(Reg);  in runOnMachineFunction()
870         bool SameBlock = DefI->getParent() == &MBB;  in runOnMachineFunction()
874         if (CanMove && hasOneUse(Reg, DefI, MRI, MDT, LIS)) {  in runOnMachineFunction()
875           Insert = moveForSingleUse(Reg, Use, DefI, MBB, Insert, LIS, MFI, MRI);  in runOnMachineFunction()
882         } else if (shouldRematerialize(*DefI, AA, TII)) {  in runOnMachineFunction()
884               rematerializeCheapDef(Reg, Use, *DefI, MBB, Insert->getIterator(),  in runOnMachineFunction()
888           Insert = moveAndTeeForMultiUse(Reg, Use, DefI, MBB, Insert, LIS, MFI,  in runOnMachineFunction()