Drop subreg check liveness

Author: BeMg

llvm/lib/CodeGen/MachineVerifier.cpp

@@ -3033,9 +3033,6 @@ void MachineVerifier::checkLiveness(const MachineOperand *MO, unsigned MONum) {
             if (!MOP.getReg().isPhysical())
               continue;
 
-            if (llvm::is_contained(TRI->subregs(MOP.getReg()), Reg))
-              Bad = false;
-
             if (MOP.getReg() != Reg &&
                 all_of(TRI->regunits(Reg), [&](const MCRegUnit RegUnit) {
                   return llvm::is_contained(TRI->regunits(MOP.getReg()),