llvm::pointer_union_detail Namespace Reference

Classes
struct	GetFirstType
	Find the first type in a list of types. More...
class	PointerUnionMembers
class	PointerUnionMembers< Derived, ValTy, I >
class	PointerUnionMembers< Derived, ValTy, I, Type, Types... >
class	PointerUnionUIntTraits
	Provide PointerLikeTypeTraits for void* that is used by PointerUnion for the template arguments. More...

Functions
constexpr int	bitsRequired (unsigned n)
	Determine the number of bits required to store integers with values < n. More...
template<typename... Ts>
constexpr int	lowBitsAvailable ()

Function Documentation

bitsRequired()

constexpr int llvm::pointer_union_detail::bitsRequired ( unsigned  n )

constexpr

Determine the number of bits required to store integers with values < n.

This is ceil(log2(n)).

Definition at line 33 of file PointerUnion.h.

References n.

lowBitsAvailable()

template<typename... Ts>

constexpr int llvm::pointer_union_detail::lowBitsAvailable ( )

constexpr

Definition at line 37 of file PointerUnion.h.