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()
341   for (const auto &SubsequentDef : drop_begin(DefI->defs())) {  in isSafeToMove()
342     auto I = std::next(MachineBasicBlock::const_iterator(DefI));  in isSafeToMove()
355   const MachineBasicBlock *MBB = DefI->getParent();  in isSafeToMove()
356   auto NextI = std::next(MachineBasicBlock::const_iterator(DefI));  in isSafeToMove()
364   if (WebAssembly::isCatch(DefI->getOpcode()))  in isSafeToMove()
369   for (const MachineOperand &MO : DefI->operands()) {  in isSafeToMove()
399   query(*DefI, Read, Write, Effects, StackPointer);  in isSafeToMove()
408   MachineBasicBlock::const_iterator D(DefI), I(Insert);  in isSafeToMove()
856         MachineInstr *DefI = getVRegDef(Reg, Insert, MRI, LIS);  in runOnMachineFunction()  local
857         if (!DefI)  in runOnMachineFunction()
862         if (DefI->isInlineAsm())  in runOnMachineFunction()
867         if (WebAssembly::isArgument(DefI->getOpcode()))  in runOnMachineFunction()
871             DefI->findRegisterDefOperand(Reg, /*TRI=*/nullptr);  in runOnMachineFunction()
880         bool SameBlock = DefI->getParent() == &MBB;  in runOnMachineFunction()
883         if (CanMove && hasOneNonDBGUse(Reg, DefI, MRI, MDT, LIS)) {  in runOnMachineFunction()
884           Insert = moveForSingleUse(Reg, Use, DefI, MBB, Insert, LIS, MFI, MRI);  in runOnMachineFunction()
891         } else if (shouldRematerialize(*DefI, TII)) {  in runOnMachineFunction()
893               rematerializeCheapDef(Reg, Use, *DefI, MBB, Insert->getIterator(),  in runOnMachineFunction()
897           Insert = moveAndTeeForMultiUse(Reg, Use, DefI, MBB, Insert, LIS, MFI,  in runOnMachineFunction()