263 static bool shouldRematerialize(const MachineInstr &Def, AliasAnalysis &AA,  in shouldRematerialize()  argument
265   return Def.isAsCheapAsAMove() && TII->isTriviallyReMaterializable(Def, &AA);  in shouldRematerialize()
275   if (MachineInstr *Def = MRI.getUniqueVRegDef(Reg))  in getVRegDef()  local
276     return Def;  in getVRegDef()
289 static bool hasOneUse(unsigned Reg, MachineInstr *Def, MachineRegisterInfo &MRI,  in hasOneUse()  argument
298       LI.getVNInfoAt(LIS.getInstructionIndex(*Def).getRegSlot());  in hasOneUse()
318 static bool isSafeToMove(const MachineOperand *Def, const MachineOperand *Use,  in isSafeToMove()  argument
322   const MachineInstr *DefI = Def->getParent();  in isSafeToMove()
338   if (Def != DefI->defs().begin())  in isSafeToMove()
520                                       MachineInstr *Def, MachineBasicBlock &MBB,  in moveForSingleUse()  argument
524   LLVM_DEBUG(dbgs() << "Move for single use: "; Def->dump());  in moveForSingleUse()
526   WebAssemblyDebugValueManager DefDIs(Def);  in moveForSingleUse()
527   MBB.splice(Insert, &MBB, Def);  in moveForSingleUse()
529   LIS.handleMove(*Def);  in moveForSingleUse()
539     Def->getOperand(0).setReg(NewReg);  in moveForSingleUse()
547     LI.removeSegment(LIS.getInstructionIndex(*Def).getRegSlot(),  in moveForSingleUse()
555     LLVM_DEBUG(dbgs() << " - Replaced register: "; Def->dump());  in moveForSingleUse()
558   imposeStackOrdering(Def);  in moveForSingleUse()
559   return Def;  in moveForSingleUse()
565     unsigned Reg, MachineOperand &Op, MachineInstr &Def, MachineBasicBlock &MBB,  in rematerializeCheapDef()  argument
569   LLVM_DEBUG(dbgs() << "Rematerializing cheap def: "; Def.dump());  in rematerializeCheapDef()
572   WebAssemblyDebugValueManager DefDIs(&Def);  in rematerializeCheapDef()
575   TII->reMaterialize(MBB, Insert, NewReg, 0, Def, *TRI);  in rematerializeCheapDef()
590     IsDead = !LI.liveAt(LIS.getInstructionIndex(Def).getDeadSlot());  in rematerializeCheapDef()
597     SlotIndex Idx = LIS.getInstructionIndex(Def).getRegSlot();  in rematerializeCheapDef()
600     LIS.RemoveMachineInstrFromMaps(Def);  in rematerializeCheapDef()
601     Def.eraseFromParent();  in rematerializeCheapDef()
633     unsigned Reg, MachineOperand &Op, MachineInstr *Def, MachineBasicBlock &MBB,  in moveAndTeeForMultiUse()  argument
636   LLVM_DEBUG(dbgs() << "Move and tee for multi-use:"; Def->dump());  in moveAndTeeForMultiUse()
638   WebAssemblyDebugValueManager DefDIs(Def);  in moveAndTeeForMultiUse()
641   MBB.splice(Insert, &MBB, Def);  in moveAndTeeForMultiUse()
642   LIS.handleMove(*Def);  in moveAndTeeForMultiUse()
648   MachineOperand &DefMO = Def->getOperand(0);  in moveAndTeeForMultiUse()
656   SlotIndex DefIdx = LIS.getInstructionIndex(*Def).getRegSlot();  in moveAndTeeForMultiUse()
673   imposeStackOrdering(Def);  in moveAndTeeForMultiUse()
679   LLVM_DEBUG(dbgs() << " - Replaced register: "; Def->dump());  in moveAndTeeForMultiUse()
681   return Def;  in moveAndTeeForMultiUse()
886         MachineOperand *Def = DefI->findRegisterDefOperand(Reg);  in runOnMachineFunction()  local
887         assert(Def != nullptr);  in runOnMachineFunction()
897                        isSafeToMove(Def, &Use, Insert, AA, MFI, MRI) &&  in runOnMachineFunction()