llvm::pointer_union_detail Namespace Reference

Classes
class	PointerUnionMembers
	CRTP base that generates non-template constructors and assignment operators for each type in the union. More...
class	PointerUnionMembers< Derived, Idx >
class	PointerUnionMembers< Derived, Idx, Type, Types... >

Functions
constexpr int	bitsRequired (unsigned NumValues)
	Determine the number of bits required to store values in [0, NumValues).
template<typename... Ts>
constexpr int	lowBitsAvailable ()

Function Documentation

bitsRequired()

int llvm::pointer_union_detail::bitsRequired ( unsigned NumValues )

constexpr

Determine the number of bits required to store values in [0, NumValues).

This is ceil(log2(NumValues)).

Definition at line 34 of file PointerUnion.h.

References llvm::bit_width_constexpr().

lowBitsAvailable()

template<typename... Ts>

int llvm::pointer_union_detail::lowBitsAvailable ( )

constexpr

Definition at line 38 of file PointerUnion.h.

Referenced by llvm::PointerUnion< TrivialCallback *, NonTrivialCallbacks * >::PointerLikeTypeTraits.