Lines Matching defs:LoadInst

101   void breakBlockedCopies(MachineInstr *LoadInst, MachineInstr *StoreInst,
104   void buildCopies(int Size, MachineInstr *LoadInst, int64_t LdDispImm,
108   void buildCopy(MachineInstr *LoadInst, unsigned NLoadOpcode, int64_t LoadDisp,
338 findPotentialBlockers(MachineInstr *LoadInst) {
342   for (auto PBInst = std::next(MachineBasicBlock::reverse_iterator(LoadInst)),
343             E = LoadInst->getParent()->rend();
360     MachineBasicBlock *MBB = LoadInst->getParent();
379 void X86AvoidSFBPass::buildCopy(MachineInstr *LoadInst, unsigned NLoadOpcode,
384   MachineOperand &LoadBase = getBaseOperand(LoadInst);
386   MachineBasicBlock *MBB = LoadInst->getParent();
387   MachineMemOperand *LMMO = *LoadInst->memoperands_begin();
393       BuildMI(*MBB, LoadInst, LoadInst->getDebugLoc(), TII->get(NLoadOpcode),
410   if (PrevInstrIt.getNodePtr() == LoadInst)
411     StInst = LoadInst;
430 void X86AvoidSFBPass::buildCopies(int Size, MachineInstr *LoadInst,
437     if ((Size - MOV128SZ >= 0) && isYMMLoadOpcode(LoadInst->getOpcode())) {
439       buildCopy(LoadInst, getYMMtoXMMLoadOpcode(LoadInst->getOpcode()), LdDisp,
450       buildCopy(LoadInst, X86::MOV64rm, LdDisp, StoreInst, X86::MOV64mr, StDisp,
460       buildCopy(LoadInst, X86::MOV32rm, LdDisp, StoreInst, X86::MOV32mr, StDisp,
470       buildCopy(LoadInst, X86::MOV16rm, LdDisp, StoreInst, X86::MOV16mr, StDisp,
480       buildCopy(LoadInst, X86::MOV8rm, LdDisp, StoreInst, X86::MOV8mr, StDisp,
492 static void updateKillStatus(MachineInstr *LoadInst, MachineInstr *StoreInst) {
493   MachineOperand &LoadBase = getBaseOperand(LoadInst);
497                  LoadInst->getParent()->instr_begin())
500     MachineInstr *LastLoad = LoadInst->getPrevNode();
505     if (StorePrevNonDbgInstr == LoadInst)
506       LastLoad = LoadInst->getPrevNode()->getPrevNode();
511     if (StorePrevNonDbgInstr == LoadInst)
512       StInst = LoadInst;
555 unsigned X86AvoidSFBPass::getRegSizeInBytes(MachineInstr *LoadInst) {
556   const auto *TRC = TII->getRegClass(TII->get(LoadInst->getOpcode()), 0, TRI,
557                               *LoadInst->getParent()->getParent());
562     MachineInstr *LoadInst, MachineInstr *StoreInst,
564   int64_t LdDispImm = getDispOperand(LoadInst).getImm();
592     buildCopies(Size1, LoadInst, LdDisp1, StoreInst, StDisp1, LMMOffset,
595     buildCopies(Size2, LoadInst, LdDisp2, StoreInst, StDisp2, LMMOffset + Size1,
602   unsigned Size3 = (LdDispImm + getRegSizeInBytes(LoadInst)) - LdDisp1;
603   buildCopies(Size3, LoadInst, LdDisp1, StoreInst, StDisp1, LMMOffset,
607 static bool hasSameBaseOpValue(MachineInstr *LoadInst,
609   const MachineOperand &LoadBase = getBaseOperand(LoadInst);
678     MachineInstr *LoadInst = LoadStoreInstPair.first;
679     int64_t LdDispImm = getDispOperand(LoadInst).getImm();
683         findPotentialBlockers(LoadInst);
686                                         LoadInst->getOpcode()) ||
695       if (hasSameBaseOpValue(LoadInst, PBInst) &&
696           isBlockingStore(LdDispImm, getRegSizeInBytes(LoadInst), PBstDispImm,
710     LLVM_DEBUG(LoadInst->dump());
714     breakBlockedCopies(LoadInst, StoreInst, BlockingStoresDispSizeMap);
715     updateKillStatus(LoadInst, StoreInst);
716     ForRemoval.push_back(LoadInst);