Searched refs:UseEmpty (Results 1 – 1 of 1) sorted by relevance
259 BitVector UseEmpty(MRI.getNumVirtRegs()); in runOnMachineFunction() local261 UseEmpty[I] = MRI.use_empty(Register::index2VirtReg(I)); in runOnMachineFunction()347 if (UseEmpty[Register::virtReg2Index(OldReg)]) { in runOnMachineFunction()