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Lines Matching defs:UseMI

151   MachineInstr *DefMI = 0, *UseMI = 0;
165       if (UseMI && UseMI != MI)
170       UseMI = MI;
173   if (!DefMI || !UseMI)
177                << "       into single use: " << *UseMI);
180   if (UseMI->readsWritesVirtualRegister(LI->reg, &Ops).second)
183   MachineInstr *FoldMI = TII.foldMemoryOperand(UseMI, Ops, DefMI);
187   LIS.ReplaceMachineInstrInMaps(UseMI, FoldMI);
188   UseMI->eraseFromParent();