Lines Matching defs:UseMI

209   MachineInstr *DefMI = nullptr, *UseMI = nullptr;
221       if (UseMI && UseMI != MI)
226       UseMI = MI;
229   if (!DefMI || !UseMI)
235                           LIS.getInstructionIndex(*UseMI)))
239   // Assume there are stores between DefMI and UseMI.
245                     << "       into single use: " << *UseMI);
248   if (UseMI->readsWritesVirtualRegister(LI->reg(), &Ops).second)
251   MachineInstr *FoldMI = TII.foldMemoryOperand(*UseMI, Ops, *DefMI, &LIS);
255   LIS.ReplaceMachineInstrInMaps(*UseMI, *FoldMI);
257   if (UseMI->shouldUpdateAdditionalCallInfo())
258     UseMI->getMF()->moveAdditionalCallInfo(UseMI, FoldMI);
259   UseMI->eraseFromParent();