4279   unsigned NewOpcode = 0;  in optimizeCompareInstr()  local
4302     case X86::SUB64rm:   NewOpcode = X86::CMP64rm;   break;  in optimizeCompareInstr()
4303     case X86::SUB32rm:   NewOpcode = X86::CMP32rm;   break;  in optimizeCompareInstr()
4304     case X86::SUB16rm:   NewOpcode = X86::CMP16rm;   break;  in optimizeCompareInstr()
4305     case X86::SUB8rm:    NewOpcode = X86::CMP8rm;    break;  in optimizeCompareInstr()
4306     case X86::SUB64rr:   NewOpcode = X86::CMP64rr;   break;  in optimizeCompareInstr()
4307     case X86::SUB32rr:   NewOpcode = X86::CMP32rr;   break;  in optimizeCompareInstr()
4308     case X86::SUB16rr:   NewOpcode = X86::CMP16rr;   break;  in optimizeCompareInstr()
4309     case X86::SUB8rr:    NewOpcode = X86::CMP8rr;    break;  in optimizeCompareInstr()
4310     case X86::SUB64ri32: NewOpcode = X86::CMP64ri32; break;  in optimizeCompareInstr()
4311     case X86::SUB64ri8:  NewOpcode = X86::CMP64ri8;  break;  in optimizeCompareInstr()
4312     case X86::SUB32ri:   NewOpcode = X86::CMP32ri;   break;  in optimizeCompareInstr()
4313     case X86::SUB32ri8:  NewOpcode = X86::CMP32ri8;  break;  in optimizeCompareInstr()
4314     case X86::SUB16ri:   NewOpcode = X86::CMP16ri;   break;  in optimizeCompareInstr()
4315     case X86::SUB16ri8:  NewOpcode = X86::CMP16ri8;  break;  in optimizeCompareInstr()
4316     case X86::SUB8ri:    NewOpcode = X86::CMP8ri;    break;  in optimizeCompareInstr()
4318     CmpInstr->setDesc(get(NewOpcode));  in optimizeCompareInstr()
4321     if (NewOpcode == X86::CMP64rm || NewOpcode == X86::CMP32rm ||  in optimizeCompareInstr()
4322         NewOpcode == X86::CMP16rm || NewOpcode == X86::CMP8rm)  in optimizeCompareInstr()