102   void breakBlockedCopies(MachineInstr *LoadInst, MachineInstr *StoreInst,
105   void buildCopies(int Size, MachineInstr *LoadInst, int64_t LdDispImm,
109   void buildCopy(MachineInstr *LoadInst, unsigned NLoadOpcode, int64_t LoadDisp,
339 findPotentialBlockers(MachineInstr *LoadInst) {  in findPotentialBlockers()  argument
343   for (auto PBInst = std::next(MachineBasicBlock::reverse_iterator(LoadInst)),  in findPotentialBlockers()
344             E = LoadInst->getParent()->rend();  in findPotentialBlockers()
361     MachineBasicBlock *MBB = LoadInst->getParent();  in findPotentialBlockers()
380 void X86AvoidSFBPass::buildCopy(MachineInstr *LoadInst, unsigned NLoadOpcode,  in buildCopy()  argument
385   MachineOperand &LoadBase = getBaseOperand(LoadInst);  in buildCopy()
387   MachineBasicBlock *MBB = LoadInst->getParent();  in buildCopy()
388   MachineMemOperand *LMMO = *LoadInst->memoperands_begin();  in buildCopy()
394       BuildMI(*MBB, LoadInst, LoadInst->getDebugLoc(), TII->get(NLoadOpcode),  in buildCopy()
411   if (PrevInstrIt.getNodePtr() == LoadInst)  in buildCopy()
412     StInst = LoadInst;  in buildCopy()
431 void X86AvoidSFBPass::buildCopies(int Size, MachineInstr *LoadInst,  in buildCopies()  argument
438     if ((Size - MOV128SZ >= 0) && isYMMLoadOpcode(LoadInst->getOpcode())) {  in buildCopies()
440       buildCopy(LoadInst, getYMMtoXMMLoadOpcode(LoadInst->getOpcode()), LdDisp,  in buildCopies()
451       buildCopy(LoadInst, X86::MOV64rm, LdDisp, StoreInst, X86::MOV64mr, StDisp,  in buildCopies()
461       buildCopy(LoadInst, X86::MOV32rm, LdDisp, StoreInst, X86::MOV32mr, StDisp,  in buildCopies()
471       buildCopy(LoadInst, X86::MOV16rm, LdDisp, StoreInst, X86::MOV16mr, StDisp,  in buildCopies()
481       buildCopy(LoadInst, X86::MOV8rm, LdDisp, StoreInst, X86::MOV8mr, StDisp,  in buildCopies()
493 static void updateKillStatus(MachineInstr *LoadInst, MachineInstr *StoreInst) {  in updateKillStatus()  argument
494   MachineOperand &LoadBase = getBaseOperand(LoadInst);  in updateKillStatus()
498                  LoadInst->getParent()->instr_begin())  in updateKillStatus()
501     MachineInstr *LastLoad = LoadInst->getPrevNode();  in updateKillStatus()
506     if (StorePrevNonDbgInstr == LoadInst)  in updateKillStatus()
507       LastLoad = LoadInst->getPrevNode()->getPrevNode();  in updateKillStatus()
512     if (StorePrevNonDbgInstr == LoadInst)  in updateKillStatus()
513       StInst = LoadInst;  in updateKillStatus()
556 unsigned X86AvoidSFBPass::getRegSizeInBytes(MachineInstr *LoadInst) {  in getRegSizeInBytes()  argument
557   const auto *TRC = TII->getRegClass(TII->get(LoadInst->getOpcode()), 0, TRI,  in getRegSizeInBytes()
558                               *LoadInst->getParent()->getParent());  in getRegSizeInBytes()
563     MachineInstr *LoadInst, MachineInstr *StoreInst,  in breakBlockedCopies()  argument
565   int64_t LdDispImm = getDispOperand(LoadInst).getImm();  in breakBlockedCopies()
593     buildCopies(Size1, LoadInst, LdDisp1, StoreInst, StDisp1, LMMOffset,  in breakBlockedCopies()
596     buildCopies(Size2, LoadInst, LdDisp2, StoreInst, StDisp2, LMMOffset + Size1,  in breakBlockedCopies()
603   unsigned Size3 = (LdDispImm + getRegSizeInBytes(LoadInst)) - LdDisp1;  in breakBlockedCopies()
604   buildCopies(Size3, LoadInst, LdDisp1, StoreInst, StDisp1, LMMOffset,  in breakBlockedCopies()
608 static bool hasSameBaseOpValue(MachineInstr *LoadInst,  in hasSameBaseOpValue()  argument
610   const MachineOperand &LoadBase = getBaseOperand(LoadInst);  in hasSameBaseOpValue()
679     MachineInstr *LoadInst = LoadStoreInstPair.first;  in runOnMachineFunction()  local
680     int64_t LdDispImm = getDispOperand(LoadInst).getImm();  in runOnMachineFunction()
684         findPotentialBlockers(LoadInst);  in runOnMachineFunction()
687                                         LoadInst->getOpcode()) ||  in runOnMachineFunction()
696       if (hasSameBaseOpValue(LoadInst, PBInst) &&  in runOnMachineFunction()
697           isBlockingStore(LdDispImm, getRegSizeInBytes(LoadInst), PBstDispImm,  in runOnMachineFunction()
711     LLVM_DEBUG(LoadInst->dump());  in runOnMachineFunction()
715     breakBlockedCopies(LoadInst, StoreInst, BlockingStoresDispSizeMap);  in runOnMachineFunction()
716     updateKillStatus(LoadInst, StoreInst);  in runOnMachineFunction()
717     ForRemoval.push_back(LoadInst);  in runOnMachineFunction()