#define LLVM_SUPPORT_ALIGNOF_H
namespace llvm {
-
+
template <typename T>
struct AlignmentCalcImpl {
char x;
private:
AlignmentCalcImpl() {} // Never instantiate.
};
-
+
/// AlignOf - A templated class that contains an enum value representing
/// the alignment of the template argument. For example,
/// AlignOf<int>::Alignment represents the alignment of type "int". The
/// compile-time constant (e.g., for template instantiation).
template <typename T>
struct AlignOf {
- enum { Alignment = sizeof(AlignmentCalcImpl<T>) - sizeof(T) };
+ enum { Alignment =
+ static_cast<unsigned int>(sizeof(AlignmentCalcImpl<T>) - sizeof(T)) };
+
enum { Alignment_GreaterEqual_2Bytes = Alignment >= 2 ? 1 : 0 };
enum { Alignment_GreaterEqual_4Bytes = Alignment >= 4 ? 1 : 0 };
enum { Alignment_GreaterEqual_8Bytes = Alignment >= 8 ? 1 : 0 };
enum { Alignment_GreaterEqual_16Bytes = Alignment >= 16 ? 1 : 0 };
+
+ enum { Alignment_LessEqual_2Bytes = Alignment <= 2 ? 1 : 0 };
+ enum { Alignment_LessEqual_4Bytes = Alignment <= 4 ? 1 : 0 };
+ enum { Alignment_LessEqual_8Bytes = Alignment <= 8 ? 1 : 0 };
+ enum { Alignment_LessEqual_16Bytes = Alignment <= 16 ? 1 : 0 };
+
};
-/// alignof - A templated function that returns the mininum alignment of
+/// alignOf - A templated function that returns the mininum alignment of
/// of a type. This provides no extra functionality beyond the AlignOf
/// class besides some cosmetic cleanliness. Example usage:
-/// alignof<int>() returns the alignment of an int.
+/// alignOf<int>() returns the alignment of an int.
template <typename T>
-static inline unsigned alignof() { return AlignOf<T>::Alignment; }
-
+static inline unsigned alignOf() { return AlignOf<T>::Alignment; }
+
} // end namespace llvm
#endif