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Lines Matching refs:BestReg

566   unsigned BestReg = 0, BestCost = spillImpossible;
578       BestReg = *I, BestCost = Cost;
581   if (BestReg) {
582     definePhysReg(MI, BestReg, regFree);
585     return assignVirtToPhysReg(VirtReg, BestReg);