clang
20.0.0git
include
clang
Basic
AddressSpaces.h
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//===- AddressSpaces.h - Language-specific address spaces -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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/// \file
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/// Provides definitions for the various language-specific address
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/// spaces.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_BASIC_ADDRESSSPACES_H
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#define LLVM_CLANG_BASIC_ADDRESSSPACES_H
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#include <cassert>
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namespace
clang
{
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/// Defines the address space values used by the address space qualifier
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/// of QualType.
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///
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enum class
LangAS
:
unsigned
{
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// The default value 0 is the value used in QualType for the situation
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// where there is no address space qualifier.
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Default
= 0,
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// OpenCL specific address spaces.
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// In OpenCL each l-value must have certain non-default address space, each
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// r-value must have no address space (i.e. the default address space). The
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// pointee of a pointer must have non-default address space.
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opencl_global
,
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opencl_local
,
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opencl_constant
,
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opencl_private
,
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opencl_generic
,
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opencl_global_device
,
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opencl_global_host
,
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// CUDA specific address spaces.
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cuda_device
,
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cuda_constant
,
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cuda_shared
,
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// SYCL specific address spaces.
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sycl_global
,
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sycl_global_device
,
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sycl_global_host
,
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sycl_local
,
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sycl_private
,
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// Pointer size and extension address spaces.
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ptr32_sptr
,
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ptr32_uptr
,
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ptr64
,
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// HLSL specific address spaces.
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hlsl_groupshared
,
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// Wasm specific address spaces.
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wasm_funcref
,
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// This denotes the count of language-specific address spaces and also
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// the offset added to the target-specific address spaces, which are usually
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// specified by address space attributes __attribute__(address_space(n))).
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FirstTargetAddressSpace
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};
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/// The type of a lookup table which maps from language-specific address spaces
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/// to target-specific ones.
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using
LangASMap
=
unsigned
[(
unsigned
)
LangAS::FirstTargetAddressSpace
];
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/// \return whether \p AS is a target-specific address space rather than a
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/// clang AST address space
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inline
bool
isTargetAddressSpace
(
LangAS
AS) {
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return
(
unsigned
)AS >= (