1139   unsigned Tmp, Tmp2;  in ComputeNumSignBits()  local
1152     Tmp = TyBits - U->getOperand(0)->getType()->getScalarSizeInBits();  in ComputeNumSignBits()
1153     return ComputeNumSignBits(U->getOperand(0), TD, Depth+1) + Tmp;  in ComputeNumSignBits()
1156     Tmp = ComputeNumSignBits(U->getOperand(0), TD, Depth+1);  in ComputeNumSignBits()
1160       Tmp += ShAmt->getZExtValue();  in ComputeNumSignBits()
1161       if (Tmp > TyBits) Tmp = TyBits;  in ComputeNumSignBits()
1163     return Tmp;  in ComputeNumSignBits()
1169       Tmp = ComputeNumSignBits(U->getOperand(0), TD, Depth+1);  in ComputeNumSignBits()
1172           Tmp2 >= Tmp) break;    // Shifted all sign bits out.  in ComputeNumSignBits()
1173       return Tmp - Tmp2;  in ComputeNumSignBits()
1181     Tmp = ComputeNumSignBits(U->getOperand(0), TD, Depth+1);  in ComputeNumSignBits()
1182     if (Tmp != 1) {  in ComputeNumSignBits()
1184       FirstAnswer = std::min(Tmp, Tmp2);  in ComputeNumSignBits()
1192     Tmp = ComputeNumSignBits(U->getOperand(1), TD, Depth+1);  in ComputeNumSignBits()
1193     if (Tmp == 1) return 1;  // Early out.  in ComputeNumSignBits()
1195     return std::min(Tmp, Tmp2);  in ComputeNumSignBits()
1200     Tmp = ComputeNumSignBits(U->getOperand(0), TD, Depth+1);  in ComputeNumSignBits()
1201     if (Tmp == 1) return 1;  // Early out.  in ComputeNumSignBits()
1217           return Tmp;  in ComputeNumSignBits()
1222     return std::min(Tmp, Tmp2)-1;  in ComputeNumSignBits()
1248     Tmp = ComputeNumSignBits(U->getOperand(0), TD, Depth+1);  in ComputeNumSignBits()
1249     if (Tmp == 1) return 1;  // Early out.  in ComputeNumSignBits()
1250     return std::min(Tmp, Tmp2)-1;  in ComputeNumSignBits()
1259     Tmp = ComputeNumSignBits(PN->getIncomingValue(0), TD, Depth+1);  in ComputeNumSignBits()
1261       if (Tmp == 1) return Tmp;  in ComputeNumSignBits()
1262       Tmp = std::min(Tmp,  in ComputeNumSignBits()
1265     return Tmp;  in ComputeNumSignBits()