6942 static OverflowResult mapOverflowResult(ConstantRange::OverflowResult OR) {  in mapOverflowResult()
6944     case ConstantRange::OverflowResult::MayOverflow:  in mapOverflowResult()
6945       return OverflowResult::MayOverflow;  in mapOverflowResult()
6946     case ConstantRange::OverflowResult::AlwaysOverflowsLow:  in mapOverflowResult()
6947       return OverflowResult::AlwaysOverflowsLow;  in mapOverflowResult()
6948     case ConstantRange::OverflowResult::AlwaysOverflowsHigh:  in mapOverflowResult()
6949       return OverflowResult::AlwaysOverflowsHigh;  in mapOverflowResult()
6950     case ConstantRange::OverflowResult::NeverOverflows:  in mapOverflowResult()
6951       return OverflowResult::NeverOverflows;  in mapOverflowResult()
6969 OverflowResult llvm::computeOverflowForUnsignedMul(const Value *LHS,  in computeOverflowForUnsignedMul()
6978     return OverflowResult::NeverOverflows;  in computeOverflowForUnsignedMul()
6985 OverflowResult llvm::computeOverflowForSignedMul(const Value *LHS,  in computeOverflowForSignedMul()
7004     return OverflowResult::NeverOverflows;  in computeOverflowForSignedMul()
7019       return OverflowResult::NeverOverflows;  in computeOverflowForSignedMul()
7021   return OverflowResult::MayOverflow;  in computeOverflowForSignedMul()
7024 OverflowResult
7035 static OverflowResult
7040     return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
7059     return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
7065   OverflowResult OR =  in computeOverflowForSignedAdd()
7067   if (OR != OverflowResult::MayOverflow)  in computeOverflowForSignedAdd()
7072     return OverflowResult::MayOverflow;  in computeOverflowForSignedAdd()
7088       return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
7091   return OverflowResult::MayOverflow;  in computeOverflowForSignedAdd()
7094 OverflowResult llvm::computeOverflowForUnsignedSub(const Value *LHS,  in computeOverflowForUnsignedSub()
7111       return OverflowResult::NeverOverflows;  in computeOverflowForUnsignedSub()
7120         return OverflowResult::NeverOverflows;  in computeOverflowForUnsignedSub()
7121       return OverflowResult::AlwaysOverflowsLow;  in computeOverflowForUnsignedSub()
7130 OverflowResult llvm::computeOverflowForSignedSub(const Value *LHS,  in computeOverflowForSignedSub()
7144       return OverflowResult::NeverOverflows;  in computeOverflowForSignedSub()
7150     return OverflowResult::NeverOverflows;  in computeOverflowForSignedSub()
7679 OverflowResult llvm::computeOverflowForSignedAdd(const AddOperator *Add,  in computeOverflowForSignedAdd()
7685 OverflowResult