}
private:
- template <typename T>
- static std::enable_if_t<std::is_signed<T>::value, bool> CheckAddUB(T A, T B,
- T &R) {
- return llvm::AddOverflow<T>(A, B, R);
+ template <typename T> static bool CheckAddUB(T A, T B, T &R) {
+ if constexpr (std::is_signed_v<T>) {
+ return llvm::AddOverflow<T>(A, B, R);
+ } else {
+ R = A + B;
+ return false;
+ }
}
- template <typename T>
- static std::enable_if_t<std::is_unsigned<T>::value, bool> CheckAddUB(T A, T B,
- T &R) {
- R = A + B;
- return false;
- }
-
- template <typename T>
- static std::enable_if_t<std::is_signed<T>::value, bool> CheckSubUB(T A, T B,
- T &R) {
- return llvm::SubOverflow<T>(A, B, R);
- }
-
- template <typename T>
- static std::enable_if_t<std::is_unsigned<T>::value, bool> CheckSubUB(T A, T B,
- T &R) {
- R = A - B;
- return false;
+ template <typename T> static bool CheckSubUB(T A, T B, T &R) {
+ if constexpr (std::is_signed_v<T>) {
+ return llvm::SubOverflow<T>(A, B, R);
+ } else {
+ R = A - B;
+ return false;
+ }
}
- template <typename T>
- static std::enable_if_t<std::is_signed<T>::value, bool> CheckMulUB(T A, T B,
- T &R) {
- return llvm::MulOverflow<T>(A, B, R);
+ template <typename T> static bool CheckMulUB(T A, T B, T &R) {
+ if constexpr (std::is_signed_v<T>) {
+ return llvm::MulOverflow<T>(A, B, R);
+ } else {
+ R = A * B;
+ return false;
+ }
}
-
- template <typename T>
- static std::enable_if_t<std::is_unsigned<T>::value, bool> CheckMulUB(T A, T B,
- T &R) {
- R = A * B;
- return false;
- }
-
- template <typename T, T Min, T Max>
- static std::enable_if_t<std::is_signed<T>::value, bool>
- CheckRange(int64_t V) {
- return Min <= V && V <= Max;
- }
-
- template <typename T, T Min, T Max>
- static std::enable_if_t<std::is_unsigned<T>::value, bool>
- CheckRange(int64_t V) {
- return V >= 0 && static_cast<uint64_t>(V) <= Max;
+ template <typename T, T Min, T Max> static bool CheckRange(int64_t V) {
+ if constexpr (std::is_signed_v<T>) {
+ return Min <= V && V <= Max;
+ } else {
+ return V >= 0 && static_cast<uint64_t>(V) <= Max;
+ }
}
};