if (Virt2PhysMap[Reg] != (unsigned)VirtRegMap::NO_PHYS_REG) {
OS << '[' << PrintReg(Reg, TRI) << " -> "
<< PrintReg(Virt2PhysMap[Reg], TRI) << "] "
if (Virt2PhysMap[Reg] != (unsigned)VirtRegMap::NO_PHYS_REG) {
OS << '[' << PrintReg(Reg, TRI) << " -> "
<< PrintReg(Virt2PhysMap[Reg], TRI) << "] "