Allocator.h File Reference

This file defines the BumpPtrAllocator interface. More...

#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/AllocatorBase.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <optional>
#include <utility>

Go to the source code of this file.

Classes
class	llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay >
	Allocate memory in an ever growing pool, as if by bump-pointer. More...
class	llvm::SpecificBumpPtrAllocator< T >
	A BumpPtrAllocator that allows only elements of a specific type to be allocated. More...

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	llvm::detail
	These are wrappers over isa* function that allow them to be used in generic algorithms such as llvm:all_of, llvm::none_of, etc.

Typedefs
typedef BumpPtrAllocatorImpl	llvm::BumpPtrAllocator
	The standard BumpPtrAllocator which just uses the default template parameters.

Functions
void	llvm::detail::printBumpPtrAllocatorStats (unsigned NumSlabs, size_t BytesAllocated, size_t TotalMemory)
template<typename AllocatorT , size_t SlabSize, size_t SizeThreshold, size_t GrowthDelay>
void *	operator new (size_t Size, llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay > &Allocator)
template<typename AllocatorT , size_t SlabSize, size_t SizeThreshold, size_t GrowthDelay>
void	operator delete (void *, llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay > &)

Detailed Description

This file defines the BumpPtrAllocator interface.

BumpPtrAllocator conforms to the LLVM "Allocator" concept and is similar to MallocAllocator, but objects cannot be deallocated. Their lifetime is tied to the lifetime of the allocator.

Definition in file Allocator.h.

Function Documentation

operator delete()

template<typename AllocatorT , size_t SlabSize, size_t SizeThreshold, size_t GrowthDelay>

void operator delete	(	void *	,
		llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay > &
	)

Definition at line 463 of file Allocator.h.

operator new()

template<typename AllocatorT , size_t SlabSize, size_t SizeThreshold, size_t GrowthDelay>

void * operator new	(	size_t	Size,
		llvm::BumpPtrAllocatorImpl< AllocatorT, SlabSize, SizeThreshold, GrowthDelay > &	Allocator
	)

Definition at line 454 of file Allocator.h.

References Allocator, llvm::NextPowerOf2(), and Size.