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Lines Matching defs:UseReg

247 /// Returns true if it is unsafe to move a copy instruction from \p UseReg to
249 static bool isUnsafeToMoveAcross(MachineInstr &MI, unsigned UseReg,
252   return (UseReg && (MI.modifiesRegister(UseReg, TRI))) ||
258 static unsigned UseReg(const MachineOperand& MO) {
269   unsigned I2UseReg = UseReg(I2.getOperand(1));
336     unsigned I1UseReg = UseReg(I1.getOperand(1));