4673 static OverflowResult mapOverflowResult(ConstantRange::OverflowResult OR) {  in mapOverflowResult()
4675     case ConstantRange::OverflowResult::MayOverflow:  in mapOverflowResult()
4676       return OverflowResult::MayOverflow;  in mapOverflowResult()
4677     case ConstantRange::OverflowResult::AlwaysOverflowsLow:  in mapOverflowResult()
4678       return OverflowResult::AlwaysOverflowsLow;  in mapOverflowResult()
4679     case ConstantRange::OverflowResult::AlwaysOverflowsHigh:  in mapOverflowResult()
4680       return OverflowResult::AlwaysOverflowsHigh;  in mapOverflowResult()
4681     case ConstantRange::OverflowResult::NeverOverflows:  in mapOverflowResult()
4682       return OverflowResult::NeverOverflows;  in mapOverflowResult()
4701 OverflowResult llvm::computeOverflowForUnsignedMul(  in computeOverflowForUnsignedMul()
4714 OverflowResult
4735     return OverflowResult::NeverOverflows;  in computeOverflowForSignedMul()
4752       return OverflowResult::NeverOverflows;  in computeOverflowForSignedMul()
4754   return OverflowResult::MayOverflow;  in computeOverflowForSignedMul()
4757 OverflowResult llvm::computeOverflowForUnsignedAdd(  in computeOverflowForUnsignedAdd()
4770 static OverflowResult computeOverflowForSignedAdd(const Value *LHS,  in computeOverflowForSignedAdd()
4778     return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
4797     return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
4803   OverflowResult OR =  in computeOverflowForSignedAdd()
4805   if (OR != OverflowResult::MayOverflow)  in computeOverflowForSignedAdd()
4810     return OverflowResult::MayOverflow;  in computeOverflowForSignedAdd()
4827       return OverflowResult::NeverOverflows;  in computeOverflowForSignedAdd()
4830   return OverflowResult::MayOverflow;  in computeOverflowForSignedAdd()
4833 OverflowResult llvm::computeOverflowForUnsignedSub(const Value *LHS,  in computeOverflowForUnsignedSub()
4846         return OverflowResult::NeverOverflows;  in computeOverflowForUnsignedSub()
4847       return OverflowResult::AlwaysOverflowsLow;  in computeOverflowForUnsignedSub()
4856 OverflowResult llvm::computeOverflowForSignedSub(const Value *LHS,  in computeOverflowForSignedSub()
4866     return OverflowResult::NeverOverflows;  in computeOverflowForSignedSub()
5248 OverflowResult llvm::computeOverflowForSignedAdd(const AddOperator *Add,  in computeOverflowForSignedAdd()
5257 OverflowResult llvm::computeOverflowForSignedAdd(const Value *LHS,  in computeOverflowForSignedAdd()