6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
//===- 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 >= (unsigned)LangAS::FirstTargetAddressSpace;
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}
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inline unsigned toTargetAddressSpace(LangAS AS) {
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assert(isTargetAddressSpace(AS));
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return (unsigned)AS - (unsigned)LangAS::FirstTargetAddressSpace;
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}
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inline LangAS getLangASFromTargetAS(unsigned TargetAS) {
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return static_cast<LangAS>((TargetAS) +
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(unsigned)LangAS::FirstTargetAddressSpace);
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}
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inline bool isPtrSizeAddressSpace(LangAS AS) {
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return (AS == LangAS::ptr32_sptr || AS == LangAS::ptr32_uptr ||
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AS == LangAS::ptr64);
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}
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} // namespace clang
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#endif // LLVM_CLANG_BASIC_ADDRESSSPACES_H
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